From 23ab668c03fda4a95c50c9fc54d0829eed72651d Mon Sep 17 00:00:00 2001 From: Tyler Wilding Date: Sat, 17 Dec 2022 14:44:54 -0500 Subject: [PATCH 1/4] docs/tools: make a small tool to help debug parinfer behaviour --- docs/parinfer-tester/assets/codemirror.css | 336 + docs/parinfer-tester/assets/codemirror.js | 8841 +++++++++++++++++ .../assets/parinfer-codemirror.js | 666 ++ docs/parinfer-tester/assets/parinfer.js | 1556 +++ docs/parinfer-tester/assets/style.css | 680 ++ docs/parinfer-tester/assets/theme.css | 77 + docs/parinfer-tester/index.html | 33 + 7 files changed, 12189 insertions(+) create mode 100644 docs/parinfer-tester/assets/codemirror.css create mode 100644 docs/parinfer-tester/assets/codemirror.js create mode 100644 docs/parinfer-tester/assets/parinfer-codemirror.js create mode 100644 docs/parinfer-tester/assets/parinfer.js create mode 100644 docs/parinfer-tester/assets/style.css create mode 100644 docs/parinfer-tester/assets/theme.css create mode 100644 docs/parinfer-tester/index.html diff --git a/docs/parinfer-tester/assets/codemirror.css b/docs/parinfer-tester/assets/codemirror.css new file mode 100644 index 0000000..a4a7ce1 --- /dev/null +++ b/docs/parinfer-tester/assets/codemirror.css @@ -0,0 +1,336 @@ +/* BASICS */ + +.CodeMirror { + /* Set height, width, borders, and global font properties here */ + font-family: monospace; + height: 300px; + color: black; +} + +/* PADDING */ + +.CodeMirror-lines { + padding: 4px 0; /* Vertical padding around content */ +} +.CodeMirror pre { + padding: 0 4px; /* Horizontal padding of content */ +} + +.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { + background-color: white; /* The little square between H and V scrollbars */ +} + +/* GUTTER */ + +.CodeMirror-gutters { + border-right: 1px solid #ddd; + background-color: #f7f7f7; + white-space: nowrap; +} +.CodeMirror-linenumbers {} +.CodeMirror-linenumber { + padding: 0 3px 0 5px; + min-width: 20px; + text-align: right; + color: #999; + white-space: nowrap; +} + +.CodeMirror-guttermarker { color: black; } +.CodeMirror-guttermarker-subtle { color: #999; } + +/* CURSOR */ + +.CodeMirror-cursor { + border-left: 1px solid black; + border-right: none; + width: 0; +} +/* Shown when moving in bi-directional text */ +.CodeMirror div.CodeMirror-secondarycursor { + border-left: 1px solid silver; +} +.cm-fat-cursor .CodeMirror-cursor { + width: auto; + border: 0; + background: #7e7; +} +.cm-fat-cursor div.CodeMirror-cursors { + z-index: 1; +} + +.cm-animate-fat-cursor { + width: auto; + border: 0; + -webkit-animation: blink 1.06s steps(1) infinite; + -moz-animation: blink 1.06s steps(1) infinite; + animation: blink 1.06s steps(1) infinite; + background-color: #7e7; +} +@-moz-keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} +@-webkit-keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} +@keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} + +/* Can style cursor different in overwrite (non-insert) mode */ +.CodeMirror-overwrite .CodeMirror-cursor {} + +.cm-tab { display: inline-block; text-decoration: inherit; } + +.CodeMirror-ruler { + border-left: 1px solid #ccc; + position: absolute; +} + +/* DEFAULT THEME */ + +.cm-s-default .cm-header {color: blue;} +.cm-s-default .cm-quote {color: #090;} +.cm-negative {color: #d44;} +.cm-positive {color: #292;} +.cm-header, .cm-strong {font-weight: bold;} +.cm-em {font-style: italic;} +.cm-link {text-decoration: underline;} +.cm-strikethrough {text-decoration: line-through;} + +.cm-s-default .cm-keyword {color: #708;} +.cm-s-default .cm-atom {color: #219;} +.cm-s-default .cm-number {color: #164;} +.cm-s-default .cm-def {color: #00f;} +.cm-s-default .cm-variable, +.cm-s-default .cm-punctuation, +.cm-s-default .cm-property, +.cm-s-default .cm-operator {} +.cm-s-default .cm-variable-2 {color: #05a;} +.cm-s-default .cm-variable-3 {color: #085;} +.cm-s-default .cm-comment {color: #a50;} +.cm-s-default .cm-string {color: #a11;} +.cm-s-default .cm-string-2 {color: #f50;} +.cm-s-default .cm-meta {color: #555;} +.cm-s-default .cm-qualifier {color: #555;} +.cm-s-default .cm-builtin {color: #30a;} +.cm-s-default .cm-bracket {color: #997;} +.cm-s-default .cm-tag {color: #170;} +.cm-s-default .cm-attribute {color: #00c;} +.cm-s-default .cm-hr {color: #999;} +.cm-s-default .cm-link {color: #00c;} + +.cm-s-default .cm-error {color: #f00;} +.cm-invalidchar {color: #f00;} + +.CodeMirror-composing { border-bottom: 2px solid; } + +/* Default styles for common addons */ + +/* Parinfer edit: don't change the colors, we just want to style the background +div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} +div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} +*/ +.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); } +.CodeMirror-activeline-background {background: #e8f2ff;} + +/* STOP */ + +/* The rest of this file contains styles related to the mechanics of + the editor. You probably shouldn't touch them. */ + +.CodeMirror { + position: relative; + overflow: hidden; + background: white; +} + +.CodeMirror-scroll { + overflow: scroll !important; /* Things will break if this is overridden */ + /* 30px is the magic margin used to hide the element's real scrollbars */ + /* See overflow: hidden in .CodeMirror */ + margin-bottom: -30px; margin-right: -30px; + padding-bottom: 30px; + height: 100%; + outline: none; /* Prevent dragging from highlighting the element */ + position: relative; +} +.CodeMirror-sizer { + position: relative; + border-right: 30px solid transparent; +} + +/* The fake, visible scrollbars. Used to force redraw during scrolling + before actuall scrolling happens, thus preventing shaking and + flickering artifacts. */ +.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { + position: absolute; + z-index: 6; + display: none; +} +.CodeMirror-vscrollbar { + right: 0; top: 0; + overflow-x: hidden; + overflow-y: scroll; +} +.CodeMirror-hscrollbar { + bottom: 0; left: 0; + overflow-y: hidden; + overflow-x: scroll; +} +.CodeMirror-scrollbar-filler { + right: 0; bottom: 0; +} +.CodeMirror-gutter-filler { + left: 0; bottom: 0; +} + +.CodeMirror-gutters { + position: absolute; left: 0; top: 0; + z-index: 3; +} +.CodeMirror-gutter { + white-space: normal; + height: 100%; + display: inline-block; + margin-bottom: -30px; + /* Hack to make IE7 behave */ + *zoom:1; + *display:inline; +} +.CodeMirror-gutter-wrapper { + position: absolute; + z-index: 4; + background: none !important; + border: none !important; +} +.CodeMirror-gutter-background { + position: absolute; + top: 0; bottom: 0; + z-index: 4; +} +.CodeMirror-gutter-elt { + position: absolute; + cursor: default; + z-index: 4; +} +.CodeMirror-gutter-wrapper { + -webkit-user-select: none; + -moz-user-select: none; + user-select: none; +} + +.CodeMirror-lines { + cursor: text; + min-height: 1px; /* prevents collapsing before first draw */ +} +.CodeMirror pre { + /* Reset some styles that the rest of the page might have set */ + -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0; + border-width: 0; + background: transparent; + font-family: inherit; + font-size: inherit; + margin: 0; + white-space: pre; + word-wrap: normal; + line-height: inherit; + color: inherit; + z-index: 2; + position: relative; + overflow: visible; + -webkit-tap-highlight-color: transparent; +} +.CodeMirror-wrap pre { + word-wrap: break-word; + white-space: pre-wrap; + word-break: normal; +} + +.CodeMirror-linebackground { + position: absolute; + left: 0; right: 0; top: 0; bottom: 0; + z-index: 0; +} + +.CodeMirror-linewidget { + position: relative; + z-index: 2; + overflow: auto; +} + +.CodeMirror-widget {} + +.CodeMirror-code { + outline: none; +} + +/* Force content-box sizing for the elements where we expect it */ +.CodeMirror-scroll, +.CodeMirror-sizer, +.CodeMirror-gutter, +.CodeMirror-gutters, +.CodeMirror-linenumber { + -moz-box-sizing: content-box; + box-sizing: content-box; +} + +.CodeMirror-measure { + position: absolute; + width: 100%; + height: 0; + overflow: hidden; + visibility: hidden; +} + +.CodeMirror-cursor { position: absolute; } +.CodeMirror-measure pre { position: static; } + +div.CodeMirror-cursors { + visibility: hidden; + position: relative; + z-index: 3; +} +div.CodeMirror-dragcursors { + visibility: visible; +} + +.CodeMirror-focused div.CodeMirror-cursors { + visibility: visible; +} + +.CodeMirror-selected { background: #d9d9d9; } +.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } +.CodeMirror-crosshair { cursor: crosshair; } +.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; } +.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; } + +.cm-searching { + background: #ffa; + background: rgba(255, 255, 0, .4); +} + +/* IE7 hack to prevent it from returning funny offsetTops on the spans */ +.CodeMirror span { *vertical-align: text-bottom; } + +/* Used to force a border model for a node */ +.cm-force-border { padding-right: .1px; } + +@media print { + /* Hide the cursor when printing */ + .CodeMirror div.CodeMirror-cursors { + visibility: hidden; + } +} + +/* See issue #2901 */ +.cm-tab-wrap-hack:after { content: ''; } + +/* Help users use markselection to safely style text background */ +span.CodeMirror-selectedtext { background: none; } diff --git a/docs/parinfer-tester/assets/codemirror.js b/docs/parinfer-tester/assets/codemirror.js new file mode 100644 index 0000000..521443b --- /dev/null +++ b/docs/parinfer-tester/assets/codemirror.js @@ -0,0 +1,8841 @@ +/* + * Some modifications made for Parinfer. Search PARINFER EDIT below +*/ + +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +// This is CodeMirror (http://codemirror.net), a code editor +// implemented in JavaScript on top of the browser's DOM. +// +// You can find some technical background for some of the code below +// at http://marijnhaverbeke.nl/blog/#cm-internals . + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + module.exports = mod(); + else if (typeof define == "function" && define.amd) // AMD + return define([], mod); + else // Plain browser env + this.CodeMirror = mod(); +})(function() { + "use strict"; + + // BROWSER SNIFFING + + // Kludges for bugs and behavior differences that can't be feature + // detected are enabled based on userAgent etc sniffing. + + var gecko = /gecko\/\d/i.test(navigator.userAgent); + var ie_upto10 = /MSIE \d/.test(navigator.userAgent); + var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent); + var ie = ie_upto10 || ie_11up; + var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); + var webkit = /WebKit\//.test(navigator.userAgent); + var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent); + var chrome = /Chrome\//.test(navigator.userAgent); + var presto = /Opera\//.test(navigator.userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent); + var phantom = /PhantomJS/.test(navigator.userAgent); + + var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); + // This is woefully incomplete. Suggestions for alternative methods welcome. + var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent); + var mac = ios || /Mac/.test(navigator.platform); + var windows = /win/i.test(navigator.platform); + + var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/); + if (presto_version) presto_version = Number(presto_version[1]); + if (presto_version && presto_version >= 15) { presto = false; webkit = true; } + // Some browsers use the wrong event properties to signal cmd/ctrl on OS X + var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); + var captureRightClick = gecko || (ie && ie_version >= 9); + + // Optimize some code when these features are not used. + var sawReadOnlySpans = false, sawCollapsedSpans = false; + + // EDITOR CONSTRUCTOR + + // A CodeMirror instance represents an editor. This is the object + // that user code is usually dealing with. + + function CodeMirror(place, options) { + if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); + + this.options = options = options ? copyObj(options) : {}; + // Determine effective options based on given values and defaults. + copyObj(defaults, options, false); + setGuttersForLineNumbers(options); + + var doc = options.value; + if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); + this.doc = doc; + + var input = new CodeMirror.inputStyles[options.inputStyle](this); + var display = this.display = new Display(place, doc, input); + display.wrapper.CodeMirror = this; + updateGutters(this); + themeChanged(this); + if (options.lineWrapping) + this.display.wrapper.className += " CodeMirror-wrap"; + if (options.autofocus && !mobile) display.input.focus(); + initScrollbars(this); + + this.state = { + keyMaps: [], // stores maps added by addKeyMap + overlays: [], // highlighting overlays, as added by addOverlay + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + overwrite: false, + delayingBlurEvent: false, + focused: false, + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode + pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll + selectingText: false, + draggingText: false, + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null + }; + + var cm = this; + + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); + + registerEventHandlers(this); + ensureGlobalHandlers(); + + startOperation(this); + this.curOp.forceUpdate = true; + attachDoc(this, doc); + + if ((options.autofocus && !mobile) || cm.hasFocus()) + setTimeout(bind(onFocus, this), 20); + else + onBlur(this); + + for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) + optionHandlers[opt](this, options[opt], Init); + maybeUpdateLineNumberWidth(this); + if (options.finishInit) options.finishInit(this); + for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); + endOperation(this); + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + display.lineDiv.style.textRendering = "auto"; + } + + // DISPLAY CONSTRUCTOR + + // The display handles the DOM integration, both for input reading + // and content drawing. It holds references to DOM nodes and + // display-related state. + + function Display(place, doc, input) { + var d = this; + this.input = input; + + // Covers bottom-right square when both scrollbars are present. + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); + d.scrollbarFiller.setAttribute("cm-not-content", "true"); + // Covers bottom of gutter when coverGutterNextToScrollbar is on + // and h scrollbar is present. + d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); + d.gutterFiller.setAttribute("cm-not-content", "true"); + // Will contain the actual code, positioned to cover the viewport. + d.lineDiv = elt("div", null, "CodeMirror-code"); + // Elements are added to these to represent selection and cursors. + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); + d.cursorDiv = elt("div", null, "CodeMirror-cursors"); + // A visibility: hidden element used to find the size of things. + d.measure = elt("div", null, "CodeMirror-measure"); + // When lines outside of the viewport are measured, they are drawn in this. + d.lineMeasure = elt("div", null, "CodeMirror-measure"); + // Wraps everything that needs to exist inside the vertically-padded coordinate system + d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + null, "position: relative; outline: none"); + // Moved around its parent to cover visible view. + d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); + // Set to the height of the document, allowing scrolling. + d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); + d.sizerWidth = null; + // Behavior of elts with overflow: auto and padding is + // inconsistent across browsers. This is used to ensure the + // scrollable area is big enough. + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); + // Will contain the gutters, if any. + d.gutters = elt("div", null, "CodeMirror-gutters"); + d.lineGutter = null; + // Actual scrollable element. + d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); + d.scroller.setAttribute("tabIndex", "-1"); + // The element in which the editor lives. + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); + + // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) + if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } + if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; + + if (place) { + if (place.appendChild) place.appendChild(d.wrapper); + else place(d.wrapper); + } + + // Current rendered range (may be bigger than the view window). + d.viewFrom = d.viewTo = doc.first; + d.reportedViewFrom = d.reportedViewTo = doc.first; + // Information about the rendered lines. + d.view = []; + d.renderedView = null; + // Holds info about a single rendered line when it was rendered + // for measurement, while not in view. + d.externalMeasured = null; + // Empty space (in pixels) above the view + d.viewOffset = 0; + d.lastWrapHeight = d.lastWrapWidth = 0; + d.updateLineNumbers = null; + + d.nativeBarWidth = d.barHeight = d.barWidth = 0; + d.scrollbarsClipped = false; + + // Used to only resize the line number gutter when necessary (when + // the amount of lines crosses a boundary that makes its width change) + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; + // Set to true when a non-horizontal-scrolling line widget is + // added. As an optimization, line widget aligning is skipped when + // this is false. + d.alignWidgets = false; + + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + d.maxLine = null; + d.maxLineLength = 0; + d.maxLineChanged = false; + + // Used for measuring wheel scrolling granularity + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; + + // True when shift is held down. + d.shift = false; + + // Used to track whether anything happened since the context menu + // was opened. + d.selForContextMenu = null; + + d.activeTouch = null; + + input.init(d); + } + + // STATE UPDATES + + // Used to get the editor into a consistent state again when options change. + + function loadMode(cm) { + cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); + resetModeState(cm); + } + + function resetModeState(cm) { + cm.doc.iter(function(line) { + if (line.stateAfter) line.stateAfter = null; + if (line.styles) line.styles = null; + }); + cm.doc.frontier = cm.doc.first; + startWorker(cm, 100); + cm.state.modeGen++; + if (cm.curOp) regChange(cm); + } + + function wrappingChanged(cm) { + if (cm.options.lineWrapping) { + addClass(cm.display.wrapper, "CodeMirror-wrap"); + cm.display.sizer.style.minWidth = ""; + cm.display.sizerWidth = null; + } else { + rmClass(cm.display.wrapper, "CodeMirror-wrap"); + findMaxLine(cm); + } + estimateLineHeights(cm); + regChange(cm); + clearCaches(cm); + setTimeout(function(){updateScrollbars(cm);}, 100); + } + + // Returns a function that estimates the height of a line, to use as + // first approximation until the line becomes visible (and is thus + // properly measurable). + function estimateHeight(cm) { + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); + return function(line) { + if (lineIsHidden(cm.doc, line)) return 0; + + var widgetsHeight = 0; + if (line.widgets) for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; + } + + if (wrapping) + return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th; + else + return widgetsHeight + th; + }; + } + + function estimateLineHeights(cm) { + var doc = cm.doc, est = estimateHeight(cm); + doc.iter(function(line) { + var estHeight = est(line); + if (estHeight != line.height) updateLineHeight(line, estHeight); + }); + } + + function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + clearCaches(cm); + } + + function guttersChanged(cm) { + updateGutters(cm); + regChange(cm); + setTimeout(function(){alignHorizontally(cm);}, 20); + } + + // Rebuild the gutter elements, ensure the margin to the left of the + // code matches their width. + function updateGutters(cm) { + var gutters = cm.display.gutters, specs = cm.options.gutters; + removeChildren(gutters); + for (var i = 0; i < specs.length; ++i) { + var gutterClass = specs[i]; + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); + if (gutterClass == "CodeMirror-linenumbers") { + cm.display.lineGutter = gElt; + gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; + } + } + gutters.style.display = i ? "" : "none"; + updateGutterSpace(cm); + } + + function updateGutterSpace(cm) { + var width = cm.display.gutters.offsetWidth; + cm.display.sizer.style.marginLeft = width + "px"; + } + + // Compute the character length of a line, taking into account + // collapsed ranges (see markText) that might hide parts, and join + // other lines onto it. + function lineLength(line) { + if (line.height == 0) return 0; + var len = line.text.length, merged, cur = line; + while (merged = collapsedSpanAtStart(cur)) { + var found = merged.find(0, true); + cur = found.from.line; + len += found.from.ch - found.to.ch; + } + cur = line; + while (merged = collapsedSpanAtEnd(cur)) { + var found = merged.find(0, true); + len -= cur.text.length - found.from.ch; + cur = found.to.line; + len += cur.text.length - found.to.ch; + } + return len; + } + + // Find the longest line in the document. + function findMaxLine(cm) { + var d = cm.display, doc = cm.doc; + d.maxLine = getLine(doc, doc.first); + d.maxLineLength = lineLength(d.maxLine); + d.maxLineChanged = true; + doc.iter(function(line) { + var len = lineLength(line); + if (len > d.maxLineLength) { + d.maxLineLength = len; + d.maxLine = line; + } + }); + } + + // Make sure the gutters options contains the element + // "CodeMirror-linenumbers" when the lineNumbers option is true. + function setGuttersForLineNumbers(options) { + var found = indexOf(options.gutters, "CodeMirror-linenumbers"); + if (found == -1 && options.lineNumbers) { + options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); + } else if (found > -1 && !options.lineNumbers) { + options.gutters = options.gutters.slice(0); + options.gutters.splice(found, 1); + } + } + + // SCROLLBARS + + // Prepare DOM reads needed to update the scrollbars. Done in one + // shot to minimize update/measure roundtrips. + function measureForScrollbars(cm) { + var d = cm.display, gutterW = d.gutters.offsetWidth; + var docH = Math.round(cm.doc.height + paddingVert(cm.display)); + return { + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW + }; + } + + function NativeScrollbars(place, scroll, cm) { + this.cm = cm; + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); + place(vert); place(horiz); + + on(vert, "scroll", function() { + if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); + }); + on(horiz, "scroll", function() { + if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); + }); + + this.checkedOverlay = false; + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; + } + + NativeScrollbars.prototype = copyObj({ + update: function(measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; + } else { + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; + } + + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } + + if (!this.checkedOverlay && measure.clientHeight > 0) { + if (sWidth == 0) this.overlayHack(); + this.checkedOverlay = true; + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; + }, + setScrollLeft: function(pos) { + if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; + }, + setScrollTop: function(pos) { + if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; + }, + overlayHack: function() { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.minHeight = this.vert.style.minWidth = w; + var self = this; + var barMouseDown = function(e) { + if (e_target(e) != self.vert && e_target(e) != self.horiz) + operation(self.cm, onMouseDown)(e); + }; + on(this.vert, "mousedown", barMouseDown); + on(this.horiz, "mousedown", barMouseDown); + }, + clear: function() { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + } + }, NativeScrollbars.prototype); + + function NullScrollbars() {} + + NullScrollbars.prototype = copyObj({ + update: function() { return {bottom: 0, right: 0}; }, + setScrollLeft: function() {}, + setScrollTop: function() {}, + clear: function() {} + }, NullScrollbars.prototype); + + CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + + function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear(); + if (cm.display.scrollbars.addClass) + rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); + } + + cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function() { + if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); + }); + node.setAttribute("cm-not-content", "true"); + }, function(pos, axis) { + if (axis == "horizontal") setScrollLeft(cm, pos); + else setScrollTop(cm, pos); + }, cm); + if (cm.display.scrollbars.addClass) + addClass(cm.display.wrapper, cm.display.scrollbars.addClass); + } + + function updateScrollbars(cm, measure) { + if (!measure) measure = measureForScrollbars(cm); + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + updateScrollbarsInner(cm, measure); + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + updateHeightsInViewport(cm); + updateScrollbarsInner(cm, measureForScrollbars(cm)); + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; + } + } + + // Re-synchronize the fake scrollbars with the actual size of the + // content. + function updateScrollbarsInner(cm, measure) { + var d = cm.display; + var sizes = d.scrollbars.update(measure); + + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; + + if (sizes.right && sizes.bottom) { + d.scrollbarFiller.style.display = "block"; + d.scrollbarFiller.style.height = sizes.bottom + "px"; + d.scrollbarFiller.style.width = sizes.right + "px"; + } else d.scrollbarFiller.style.display = ""; + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + d.gutterFiller.style.display = "block"; + d.gutterFiller.style.height = sizes.bottom + "px"; + d.gutterFiller.style.width = measure.gutterWidth + "px"; + } else d.gutterFiller.style.display = ""; + } + + // Compute the lines that are visible in a given viewport (defaults + // the the current scroll position). viewport may contain top, + // height, and ensure (see op.scrollToPos) properties. + function visibleLines(display, doc, viewport) { + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; + top = Math.floor(top - paddingTop(display)); + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; + + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and + // forces those lines into the viewport (if possible). + if (viewport && viewport.ensure) { + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; + if (ensureFrom < from) { + from = ensureFrom; + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + to = ensureTo; + } + } + return {from: from, to: Math.max(to, from + 1)}; + } + + // LINE NUMBERS + + // Re-align line numbers and gutter marks to compensate for + // horizontal scrolling. + function alignHorizontally(cm) { + var display = cm.display, view = display.view; + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; + var gutterW = display.gutters.offsetWidth, left = comp + "px"; + for (var i = 0; i < view.length; i++) if (!view[i].hidden) { + if (cm.options.fixedGutter && view[i].gutter) + view[i].gutter.style.left = left; + var align = view[i].alignable; + if (align) for (var j = 0; j < align.length; j++) + align[j].style.left = left; + } + if (cm.options.fixedGutter) + display.gutters.style.left = (comp + gutterW) + "px"; + } + + // Used to ensure that the line number gutter is still the right + // size for the current document size. Returns true when an update + // is needed. + function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) return false; + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")); + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + display.lineGutter.style.width = ""; + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; + display.lineNumWidth = display.lineNumInnerWidth + padding; + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; + display.lineGutter.style.width = display.lineNumWidth + "px"; + updateGutterSpace(cm); + return true; + } + return false; + } + + function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)); + } + + // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, + // but using getBoundingClientRect to get a sub-pixel-accurate + // result. + function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; + } + + // DISPLAY DRAWING + + function DisplayUpdate(cm, viewport, force) { + var display = cm.display; + + this.viewport = viewport; + // Store some values that we'll need later (but don't want to force a relayout for) + this.visible = visibleLines(display, cm.doc, viewport); + this.editorIsHidden = !display.wrapper.offsetWidth; + this.wrapperHeight = display.wrapper.clientHeight; + this.wrapperWidth = display.wrapper.clientWidth; + this.oldDisplayWidth = displayWidth(cm); + this.force = force; + this.dims = getDimensions(cm); + this.events = []; + } + + DisplayUpdate.prototype.signal = function(emitter, type) { + if (hasHandler(emitter, type)) + this.events.push(arguments); + }; + DisplayUpdate.prototype.finish = function() { + for (var i = 0; i < this.events.length; i++) + signal.apply(null, this.events[i]); + }; + + function maybeClipScrollbars(cm) { + var display = cm.display; + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.heightForcer.style.height = scrollGap(cm) + "px"; + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; + display.scrollbarsClipped = true; + } + } + + // Does the actual updating of the line display. Bails out + // (returning false) when there is nothing to be done and forced is + // false. + function updateDisplayIfNeeded(cm, update) { + var display = cm.display, doc = cm.doc; + + if (update.editorIsHidden) { + resetView(cm); + return false; + } + + // Bail out if the visible area is already rendered and nothing changed. + if (!update.force && + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && countDirtyView(cm) == 0) + return false; + + if (maybeUpdateLineNumberWidth(cm)) { + resetView(cm); + update.dims = getDimensions(cm); + } + + // Compute a suitable new viewport (from & to) + var end = doc.first + doc.size; + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); + var to = Math.min(end, update.visible.to + cm.options.viewportMargin); + if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); + if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); + if (sawCollapsedSpans) { + from = visualLineNo(cm.doc, from); + to = visualLineEndNo(cm.doc, to); + } + + var different = from != display.viewFrom || to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; + adjustView(cm, from, to); + + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); + // Position the mover div to align with the current scroll position + cm.display.mover.style.top = display.viewOffset + "px"; + + var toUpdate = countDirtyView(cm); + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + return false; + + // For big changes, we hide the enclosing element during the + // update, since that speeds up the operations on most browsers. + var focused = activeElt(); + if (toUpdate > 4) display.lineDiv.style.display = "none"; + patchDisplay(cm, display.updateLineNumbers, update.dims); + if (toUpdate > 4) display.lineDiv.style.display = ""; + display.renderedView = display.view; + // There might have been a widget with a focused element that got + // hidden or updated, if so re-focus it. + if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); + + // Prevent selection and cursors from interfering with the scroll + // width and height. + removeChildren(display.cursorDiv); + removeChildren(display.selectionDiv); + display.gutters.style.height = display.sizer.style.minHeight = 0; + + if (different) { + display.lastWrapHeight = update.wrapperHeight; + display.lastWrapWidth = update.wrapperWidth; + startWorker(cm, 400); + } + + display.updateLineNumbers = null; + + return true; + } + + function postUpdateDisplay(cm, update) { + var viewport = update.viewport; + for (var first = true;; first = false) { + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + // Clip forced viewport to actual scrollable area. + if (viewport && viewport.top != null) + viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; + // Updated line heights might result in the drawn area not + // actually covering the viewport. Keep looping until it does. + update.visible = visibleLines(cm.display, cm.doc, viewport); + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + break; + } + if (!updateDisplayIfNeeded(cm, update)) break; + updateHeightsInViewport(cm); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + setDocumentHeight(cm, barMeasure); + updateScrollbars(cm, barMeasure); + } + + update.signal(cm, "update", cm); + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + } + } + + function updateDisplaySimple(cm, viewport) { + var update = new DisplayUpdate(cm, viewport); + if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm); + postUpdateDisplay(cm, update); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + setDocumentHeight(cm, barMeasure); + updateScrollbars(cm, barMeasure); + update.finish(); + } + } + + function setDocumentHeight(cm, measure) { + cm.display.sizer.style.minHeight = measure.docHeight + "px"; + var total = measure.docHeight + cm.display.barHeight; + cm.display.heightForcer.style.top = total + "px"; + cm.display.gutters.style.height = Math.max(total + scrollGap(cm), measure.clientHeight) + "px"; + } + + // Read the actual heights of the rendered lines, and update their + // stored heights to match. + function updateHeightsInViewport(cm) { + var display = cm.display; + var prevBottom = display.lineDiv.offsetTop; + for (var i = 0; i < display.view.length; i++) { + var cur = display.view[i], height; + if (cur.hidden) continue; + if (ie && ie_version < 8) { + var bot = cur.node.offsetTop + cur.node.offsetHeight; + height = bot - prevBottom; + prevBottom = bot; + } else { + var box = cur.node.getBoundingClientRect(); + height = box.bottom - box.top; + } + var diff = cur.line.height - height; + if (height < 2) height = textHeight(display); + if (diff > .001 || diff < -.001) { + updateLineHeight(cur.line, height); + updateWidgetHeight(cur.line); + if (cur.rest) for (var j = 0; j < cur.rest.length; j++) + updateWidgetHeight(cur.rest[j]); + } + } + } + + // Read and store the height of line widgets associated with the + // given line. + function updateWidgetHeight(line) { + if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) + line.widgets[i].height = line.widgets[i].node.offsetHeight; + } + + // Do a bulk-read of the DOM positions and sizes needed to draw the + // view, so that we don't interleave reading and writing to the DOM. + function getDimensions(cm) { + var d = cm.display, left = {}, width = {}; + var gutterLeft = d.gutters.clientLeft; + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; + width[cm.options.gutters[i]] = n.clientWidth; + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth}; + } + + // Sync the actual display DOM structure with display.view, removing + // nodes for lines that are no longer in view, and creating the ones + // that are not there yet, and updating the ones that are out of + // date. + function patchDisplay(cm, updateNumbersFrom, dims) { + var display = cm.display, lineNumbers = cm.options.lineNumbers; + var container = display.lineDiv, cur = container.firstChild; + + function rm(node) { + var next = node.nextSibling; + // Works around a throw-scroll bug in OS X Webkit + if (webkit && mac && cm.display.currentWheelTarget == node) + node.style.display = "none"; + else + node.parentNode.removeChild(node); + return next; + } + + var view = display.view, lineN = display.viewFrom; + // Loop over the elements in the view, syncing cur (the DOM nodes + // in display.lineDiv) with the view as we go. + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (lineView.hidden) { + } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + var node = buildLineElement(cm, lineView, lineN, dims); + container.insertBefore(node, cur); + } else { // Already drawn + while (cur != lineView.node) cur = rm(cur); + var updateNumber = lineNumbers && updateNumbersFrom != null && + updateNumbersFrom <= lineN && lineView.lineNumber; + if (lineView.changes) { + if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; + updateLineForChanges(cm, lineView, lineN, dims); + } + if (updateNumber) { + removeChildren(lineView.lineNumber); + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); + } + cur = lineView.node.nextSibling; + } + lineN += lineView.size; + } + while (cur) cur = rm(cur); + } + + // When an aspect of a line changes, a string is added to + // lineView.changes. This updates the relevant part of the line's + // DOM structure. + function updateLineForChanges(cm, lineView, lineN, dims) { + for (var j = 0; j < lineView.changes.length; j++) { + var type = lineView.changes[j]; + if (type == "text") updateLineText(cm, lineView); + else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); + else if (type == "class") updateLineClasses(lineView); + else if (type == "widget") updateLineWidgets(cm, lineView, dims); + } + lineView.changes = null; + } + + // Lines with gutter elements, widgets or a background class need to + // be wrapped, and have the extra elements added to the wrapper div + function ensureLineWrapped(lineView) { + if (lineView.node == lineView.text) { + lineView.node = elt("div", null, null, "position: relative"); + if (lineView.text.parentNode) + lineView.text.parentNode.replaceChild(lineView.node, lineView.text); + lineView.node.appendChild(lineView.text); + if (ie && ie_version < 8) lineView.node.style.zIndex = 2; + } + return lineView.node; + } + + function updateLineBackground(lineView) { + var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; + if (cls) cls += " CodeMirror-linebackground"; + if (lineView.background) { + if (cls) lineView.background.className = cls; + else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } + } else if (cls) { + var wrap = ensureLineWrapped(lineView); + lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); + } + } + + // Wrapper around buildLineContent which will reuse the structure + // in display.externalMeasured when possible. + function getLineContent(cm, lineView) { + var ext = cm.display.externalMeasured; + if (ext && ext.line == lineView.line) { + cm.display.externalMeasured = null; + lineView.measure = ext.measure; + return ext.built; + } + return buildLineContent(cm, lineView); + } + + // Redraw the line's text. Interacts with the background and text + // classes because the mode may output tokens that influence these + // classes. + function updateLineText(cm, lineView) { + var cls = lineView.text.className; + var built = getLineContent(cm, lineView); + if (lineView.text == lineView.node) lineView.node = built.pre; + lineView.text.parentNode.replaceChild(built.pre, lineView.text); + lineView.text = built.pre; + if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { + lineView.bgClass = built.bgClass; + lineView.textClass = built.textClass; + updateLineClasses(lineView); + } else if (cls) { + lineView.text.className = cls; + } + } + + function updateLineClasses(lineView) { + updateLineBackground(lineView); + if (lineView.line.wrapClass) + ensureLineWrapped(lineView).className = lineView.line.wrapClass; + else if (lineView.node != lineView.text) + lineView.node.className = ""; + var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; + lineView.text.className = textClass || ""; + } + + function updateLineGutter(cm, lineView, lineN, dims) { + if (lineView.gutter) { + lineView.node.removeChild(lineView.gutter); + lineView.gutter = null; + } + if (lineView.gutterBackground) { + lineView.node.removeChild(lineView.gutterBackground); + lineView.gutterBackground = null; + } + if (lineView.line.gutterClass) { + var wrap = ensureLineWrapped(lineView); + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, + "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + + "px; width: " + dims.gutterTotalWidth + "px"); + wrap.insertBefore(lineView.gutterBackground, lineView.text); + } + var markers = lineView.line.gutterMarkers; + if (cm.options.lineNumbers || markers) { + var wrap = ensureLineWrapped(lineView); + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); + cm.display.input.setUneditable(gutterWrap); + wrap.insertBefore(gutterWrap, lineView.text); + if (lineView.line.gutterClass) + gutterWrap.className += " " + lineView.line.gutterClass; + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + lineView.lineNumber = gutterWrap.appendChild( + elt("div", lineNumberFor(cm.options, lineN), + "CodeMirror-linenumber CodeMirror-gutter-elt", + "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " + + cm.display.lineNumInnerWidth + "px")); + if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) { + var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; + if (found) + gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + + dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); + } + } + } + + function updateLineWidgets(cm, lineView, dims) { + if (lineView.alignable) lineView.alignable = null; + for (var node = lineView.node.firstChild, next; node; node = next) { + var next = node.nextSibling; + if (node.className == "CodeMirror-linewidget") + lineView.node.removeChild(node); + } + insertLineWidgets(cm, lineView, dims); + } + + // Build a line's DOM representation from scratch + function buildLineElement(cm, lineView, lineN, dims) { + var built = getLineContent(cm, lineView); + lineView.text = lineView.node = built.pre; + if (built.bgClass) lineView.bgClass = built.bgClass; + if (built.textClass) lineView.textClass = built.textClass; + + updateLineClasses(lineView); + updateLineGutter(cm, lineView, lineN, dims); + insertLineWidgets(cm, lineView, dims); + return lineView.node; + } + + // A lineView may contain multiple logical lines (when merged by + // collapsed spans). The widgets for all of them need to be drawn. + function insertLineWidgets(cm, lineView, dims) { + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); + if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) + insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); + } + + function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { + if (!line.widgets) return; + var wrap = ensureLineWrapped(lineView); + for (var i = 0, ws = line.widgets; i < ws.length; ++i) { + var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); + if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); + positionLineWidget(widget, node, lineView, dims); + cm.display.input.setUneditable(node); + if (allowAbove && widget.above) + wrap.insertBefore(node, lineView.gutter || lineView.text); + else + wrap.appendChild(node); + signalLater(widget, "redraw"); + } + } + + function positionLineWidget(widget, node, lineView, dims) { + if (widget.noHScroll) { + (lineView.alignable || (lineView.alignable = [])).push(node); + var width = dims.wrapperWidth; + node.style.left = dims.fixedPos + "px"; + if (!widget.coverGutter) { + width -= dims.gutterTotalWidth; + node.style.paddingLeft = dims.gutterTotalWidth + "px"; + } + node.style.width = width + "px"; + } + if (widget.coverGutter) { + node.style.zIndex = 5; + node.style.position = "relative"; + if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; + } + } + + // POSITION OBJECT + + // A Pos instance represents a position within the text. + var Pos = CodeMirror.Pos = function(line, ch) { + if (!(this instanceof Pos)) return new Pos(line, ch); + this.line = line; this.ch = ch; + }; + + // Compare two positions, return 0 if they are the same, a negative + // number when a is less, and a positive number otherwise. + var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; }; + + function copyPos(x) {return Pos(x.line, x.ch);} + function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } + function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } + + // INPUT HANDLING + + function ensureFocus(cm) { + if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } + } + + function isReadOnly(cm) { + return cm.options.readOnly || cm.doc.cantEdit; + } + + // This will be set to an array of strings when copying, so that, + // when pasting, we know what kind of selections the copied text + // was made out of. + var lastCopied = null; + + function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc; + cm.display.shift = false; + if (!sel) sel = doc.sel; + + var paste = cm.state.pasteIncoming || origin == "paste"; + var textLines = doc.splitLines(inserted), multiPaste = null; + // When pasing N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.length == 0) { + multiPaste = []; + for (var i = 0; i < lastCopied.length; i++) + multiPaste.push(doc.splitLines(lastCopied[i])); + } + } else if (textLines.length == sel.ranges.length) { + multiPaste = map(textLines, function(l) { return [l]; }); + } + } + + // Normal behavior is to insert the new text into every selection + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + var from = range.from(), to = range.to(); + if (range.empty()) { + if (deleted && deleted > 0) // Handle deletion + from = Pos(from.line, from.ch - deleted); + else if (cm.state.overwrite && !paste) // Handle overwrite + to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); + } + var updateInput = cm.curOp.updateInput; + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; + makeChange(cm.doc, changeEvent); + signalLater(cm, "inputRead", cm, changeEvent); + } + if (inserted && !paste) + triggerElectric(cm, inserted); + + ensureCursorVisible(cm); + cm.curOp.updateInput = updateInput; + cm.curOp.typing = true; + cm.state.pasteIncoming = cm.state.cutIncoming = false; + } + + function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); + if (pasted) { + e.preventDefault(); + if (!isReadOnly(cm) && !cm.options.disableInput) + runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); + return true; + } + } + + function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) return; + var sel = cm.doc.sel; + + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; + var mode = cm.getModeAt(range.head); + var indented = false; + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range.head.line, "smart"); + break; + } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) + indented = indentLine(cm, range.head.line, "smart"); + } + if (indented) signalLater(cm, "electricInput", cm, range.head.line); + } + } + + function copyableRanges(cm) { + var text = [], ranges = []; + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line; + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + ranges.push(lineRange); + text.push(cm.getRange(lineRange.anchor, lineRange.head)); + } + return {text: text, ranges: ranges}; + } + + function disableBrowserMagic(field) { + field.setAttribute("autocorrect", "off"); + field.setAttribute("autocapitalize", "off"); + field.setAttribute("spellcheck", "false"); + } + + // TEXTAREA INPUT STYLE + + function TextareaInput(cm) { + this.cm = cm; + // See input.poll and input.reset + this.prevInput = ""; + + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false; + // Self-resetting timeout for the poller + this.polling = new Delayed(); + // Tracks when input.reset has punted to just putting a short + // string into the textarea instead of the full selection. + this.inaccurateSelection = false; + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false; + this.composing = null; + }; + + function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) te.style.width = "1000px"; + else te.setAttribute("wrap", "off"); + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) te.style.border = "1px solid black"; + disableBrowserMagic(te); + return div; + } + + TextareaInput.prototype = copyObj({ + init: function(display) { + var input = this, cm = this.cm; + + // Wraps and hides input textarea + var div = this.wrapper = hiddenTextarea(); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + var te = this.textarea = div.firstChild; + display.wrapper.insertBefore(div, display.wrapper.firstChild); + + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) te.style.width = "0px"; + + on(te, "input", function() { + if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; + input.poll(); + }); + + on(te, "paste", function(e) { + if (handlePaste(e, cm)) return true; + + cm.state.pasteIncoming = true; + input.fastPoll(); + }); + + function prepareCopyCut(e) { + if (cm.somethingSelected()) { + lastCopied = cm.getSelections(); + if (input.inaccurateSelection) { + input.prevInput = ""; + input.inaccurateSelection = false; + te.value = lastCopied.join("\n"); + selectInput(te); + } + } else if (!cm.options.lineWiseCopyCut) { + return; + } else { + var ranges = copyableRanges(cm); + lastCopied = ranges.text; + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); + } + } + if (e.type == "cut") cm.state.cutIncoming = true; + } + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); + + on(display.scroller, "paste", function(e) { + if (eventInWidget(display, e)) return; + cm.state.pasteIncoming = true; + input.focus(); + }); + + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function(e) { + if (!eventInWidget(display, e)) e_preventDefault(e); + }); + + on(te, "compositionstart", function() { + var start = cm.getCursor("from"); + if (input.composing) input.composing.range.clear() + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + }; + }); + on(te, "compositionend", function() { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; + } + }); + }, + + prepareSelection: function() { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc; + var result = prepareSelection(cm); + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)); + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)); + } + + return result; + }, + + showSelection: function(drawn) { + var cm = this.cm, display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }, + + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + reset: function(typing) { + if (this.contextMenuPending) return; + var minimal, selected, cm = this.cm, doc = cm.doc; + if (cm.somethingSelected()) { + this.prevInput = ""; + var range = doc.sel.primary(); + minimal = hasCopyEvent && + (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); + var content = minimal ? "-" : selected || cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) selectInput(this.textarea); + if (ie && ie_version >= 9) this.hasSelection = content; + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) this.hasSelection = null; + } + this.inaccurateSelection = minimal; + }, + + getField: function() { return this.textarea; }, + + supportsTouch: function() { return false; }, + + focus: function() { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { + try { this.textarea.focus(); } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }, + + blur: function() { this.textarea.blur(); }, + + resetPosition: function() { + this.wrapper.style.top = this.wrapper.style.left = 0; + }, + + receivedFocus: function() { this.slowPoll(); }, + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + slowPoll: function() { + var input = this; + if (input.pollingFast) return; + input.polling.set(this.cm.options.pollInterval, function() { + input.poll(); + if (input.cm.state.focused) input.slowPoll(); + }); + }, + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + fastPoll: function() { + var missed = false, input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) {missed = true; input.polling.set(60, p);} + else {input.pollingFast = false; input.slowPoll();} + } + input.polling.set(20, p); + }, + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + poll: function() { + var cm = this.cm, input = this.textarea, prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + isReadOnly(cm) || cm.options.disableInput || cm.state.keySeq) + return false; + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) return false; + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset(); + return false; + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) prevInput = "\u200b"; + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; + + var self = this; + runInOp(cm, function() { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, self.composing ? "*compose" : null); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; + else self.prevInput = text; + + if (self.composing) { + self.composing.range.clear(); + self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}); + } + }); + return true; + }, + + ensurePolled: function() { + if (this.pollingFast && this.poll()) this.pollingFast = false; + }, + + onKeyPress: function() { + if (ie && ie_version >= 9) this.hasSelection = null; + this.fastPoll(); + }, + + onContextMenu: function(e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea; + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; + if (!pos || presto) return; // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); + + var oldCSS = te.style.cssText; + input.wrapper.style.position = "absolute"; + te.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + + "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " + + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + + "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) window.scrollTo(null, oldScrollY); + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) te.value = input.prevInput = " "; + input.contextMenuPending = true; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } + } + function rehide() { + input.contextMenuPending = false; + input.wrapper.style.position = "relative"; + te.style.cssText = oldCSS; + if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); + var i = 0, poll = function() { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") + operation(cm, commands.selectAll)(cm); + else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); + else display.input.reset(); + }; + display.detectingSelectAll = setTimeout(poll, 200); + } + } + + if (ie && ie_version >= 9) prepareSelectAllHack(); + if (captureRightClick) { + e_stop(e); + var mouseup = function() { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }, + + readOnlyChanged: function(val) { + if (!val) this.reset(); + }, + + setUneditable: nothing, + + needsContentAttribute: false + }, TextareaInput.prototype); + + // CONTENTEDITABLE INPUT STYLE + + function ContentEditableInput(cm) { + this.cm = cm; + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.polling = new Delayed(); + this.gracePeriod = false; + } + + ContentEditableInput.prototype = copyObj({ + init: function(display) { + var input = this, cm = input.cm; + var div = input.div = display.lineDiv; + disableBrowserMagic(div); + + on(div, "paste", function(e) { handlePaste(e, cm); }) + + on(div, "compositionstart", function(e) { + var data = e.data; + input.composing = {sel: cm.doc.sel, data: data, startData: data}; + if (!data) return; + var prim = cm.doc.sel.primary(); + var line = cm.getLine(prim.head.line); + var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); + if (found > -1 && found <= prim.head.ch) + input.composing.sel = simpleSelection(Pos(prim.head.line, found), + Pos(prim.head.line, found + data.length)); + }); + on(div, "compositionupdate", function(e) { + input.composing.data = e.data; + }); + on(div, "compositionend", function(e) { + var ours = input.composing; + if (!ours) return; + if (e.data != ours.startData && !/\u200b/.test(e.data)) + ours.data = e.data; + // Need a small delay to prevent other code (input event, + // selection polling) from doing damage when fired right after + // compositionend. + setTimeout(function() { + if (!ours.handled) + input.applyComposition(ours); + if (input.composing == ours) + input.composing = null; + }, 50); + }); + + on(div, "touchstart", function() { + input.forceCompositionEnd(); + }); + + on(div, "input", function() { + if (input.composing) return; + if (isReadOnly(cm) || !input.pollContent()) + runInOp(input.cm, function() {regChange(cm);}); + }); + + function onCopyCut(e) { + if (cm.somethingSelected()) { + lastCopied = cm.getSelections(); + if (e.type == "cut") cm.replaceSelection("", null, "cut"); + } else if (!cm.options.lineWiseCopyCut) { + return; + } else { + var ranges = copyableRanges(cm); + lastCopied = ranges.text; + if (e.type == "cut") { + cm.operation(function() { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + // iOS exposes the clipboard API, but seems to discard content inserted into it + if (e.clipboardData && !ios) { + e.preventDefault(); + e.clipboardData.clearData(); + e.clipboardData.setData("text/plain", lastCopied.join("\n")); + } else { + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild; + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); + te.value = lastCopied.join("\n"); + var hadFocus = document.activeElement; + selectInput(te); + setTimeout(function() { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + }, 50); + } + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); + }, + + prepareSelection: function() { + var result = prepareSelection(this.cm, false); + result.focus = this.cm.state.focused; + return result; + }, + + showSelection: function(info) { + if (!info || !this.cm.display.view.length) return; + if (info.focus) this.showPrimarySelection(); + this.showMultipleSelections(info); + }, + + showPrimarySelection: function() { + var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); + var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && + cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) + return; + + var start = posToDOM(this.cm, prim.from()); + var end = posToDOM(this.cm, prim.to()); + if (!start && !end) return; + + var view = this.cm.display.view; + var old = sel.rangeCount && sel.getRangeAt(0); + if (!start) { + start = {node: view[0].measure.map[2], offset: 0}; + } else if (!end) { // FIXME dangerously hacky + var measure = view[view.length - 1].measure; + var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; + end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; + } + + try { var rng = range(start.node, start.offset, end.offset, end.node); } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + sel.removeAllRanges(); + sel.addRange(rng); + if (old && sel.anchorNode == null) sel.addRange(old); + else if (gecko) this.startGracePeriod(); + } + this.rememberSelection(); + }, + + startGracePeriod: function() { + var input = this; + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function() { + input.gracePeriod = false; + if (input.selectionChanged()) + input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); + }, 20); + }, + + showMultipleSelections: function(info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }, + + rememberSelection: function() { + var sel = window.getSelection(); + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; + }, + + selectionInEditor: function() { + var sel = window.getSelection(); + if (!sel.rangeCount) return false; + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node); + }, + + focus: function() { + if (this.cm.options.readOnly != "nocursor") this.div.focus(); + }, + blur: function() { this.div.blur(); }, + getField: function() { return this.div; }, + + supportsTouch: function() { return true; }, + + receivedFocus: function() { + var input = this; + if (this.selectionInEditor()) + this.pollSelection(); + else + runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); + + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); + } + } + this.polling.set(this.cm.options.pollInterval, poll); + }, + + selectionChanged: function() { + var sel = window.getSelection(); + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; + }, + + pollSelection: function() { + if (!this.composing && !this.gracePeriod && this.selectionChanged()) { + var sel = window.getSelection(), cm = this.cm; + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) runInOp(cm, function() { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); + if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; + }); + } + }, + + pollContent: function() { + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); + var from = sel.from(), to = sel.to(); + if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; + + var fromIndex; + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + var fromLine = lineNo(display.view[0].line); + var fromNode = display.view[0].node; + } else { + var fromLine = lineNo(display.view[fromIndex].line); + var fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + if (toIndex == display.view.length - 1) { + var toLine = display.viewTo - 1; + var toNode = display.lineDiv.lastChild; + } else { + var toLine = lineNo(display.view[toIndex + 1].line) - 1; + var toNode = display.view[toIndex + 1].node.previousSibling; + } + + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } + else break; + } + + var cutFront = 0, cutEnd = 0; + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + ++cutFront; + var newBot = lst(newText), oldBot = lst(oldText); + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)); + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + ++cutEnd; + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); + newText[0] = newText[0].slice(cutFront); + + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true; + } + }, + + ensurePolled: function() { + this.forceCompositionEnd(); + }, + reset: function() { + this.forceCompositionEnd(); + }, + forceCompositionEnd: function() { + if (!this.composing || this.composing.handled) return; + this.applyComposition(this.composing); + this.composing.handled = true; + this.div.blur(); + this.div.focus(); + }, + applyComposition: function(composing) { + if (isReadOnly(this.cm)) + operation(this.cm, regChange)(this.cm) + else if (composing.data && composing.data != composing.startData) + operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); + }, + + setUneditable: function(node) { + node.contentEditable = "false" + }, + + onKeyPress: function(e) { + e.preventDefault(); + if (!isReadOnly(this.cm)) + operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); + }, + + readOnlyChanged: function(val) { + this.div.contentEditable = String(val != "nocursor") + }, + + onContextMenu: nothing, + resetPosition: nothing, + + needsContentAttribute: true + }, ContentEditableInput.prototype); + + function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line); + if (!view || view.hidden) return null; + var line = getLine(cm.doc, pos.line); + var info = mapFromLineView(view, line, pos.line); + + var order = getOrder(line), side = "left"; + if (order) { + var partPos = getBidiPartAt(order, pos.ch); + side = partPos % 2 ? "right" : "left"; + } + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); + result.offset = result.collapse == "right" ? result.end : result.start; + return result; + } + + function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } + + function domToPos(cm, node, offset) { + var lineNode; + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset]; + if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); + node = null; offset = 0; + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) return null; + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i]; + if (lineView.node == lineNode) + return locateNodeInLineView(lineView, node, offset); + } + } + + function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false; + if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); + if (node == wrapper) { + bad = true; + node = wrapper.childNodes[offset]; + offset = 0; + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line; + return badPos(Pos(lineNo(line), line.text.length), bad); + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node; + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild; + if (offset) offset = textNode.nodeValue.length; + } + while (topNode.parentNode != wrapper) topNode = topNode.parentNode; + var measure = lineView.measure, maps = measure.maps; + + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map = i < 0 ? measure.map : maps[i]; + for (var j = 0; j < map.length; j += 3) { + var curNode = map[j + 2]; + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); + var ch = map[j] + offset; + if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; + return Pos(line, ch); + } + } + } + } + var found = find(textNode, topNode, offset); + if (found) return badPos(found, bad); + + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0); + if (found) + return badPos(Pos(found.line, found.ch - dist), bad); + else + dist += after.textContent.length; + } + for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1); + if (found) + return badPos(Pos(found.line, found.ch + dist), bad); + else + dist += after.textContent.length; + } + } + + function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator(); + function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text"); + if (cmText != null) { + if (cmText == "") cmText = node.textContent.replace(/\u200b/g, ""); + text += cmText; + return; + } + var markerID = node.getAttribute("cm-marker"), range; + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + if (found.length && (range = found[0].find())) + text += getBetween(cm.doc, range.from, range.to).join(lineSep); + return; + } + if (node.getAttribute("contenteditable") == "false") return; + for (var i = 0; i < node.childNodes.length; i++) + walk(node.childNodes[i]); + if (/^(pre|div|p)$/i.test(node.nodeName)) + closing = true; + } else if (node.nodeType == 3) { + var val = node.nodeValue; + if (!val) return; + if (closing) { + text += lineSep; + closing = false; + } + text += val; + } + } + for (;;) { + walk(from); + if (from == to) break; + from = from.nextSibling; + } + return text; + } + + CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + + // SELECTION / CURSOR + + // Selection objects are immutable. A new one is created every time + // the selection changes. A selection is one or more non-overlapping + // (and non-touching) ranges, sorted, and an integer that indicates + // which one is the primary selection (the one that's scrolled into + // view, that getCursor returns, etc). + function Selection(ranges, primIndex) { + this.ranges = ranges; + this.primIndex = primIndex; + } + + Selection.prototype = { + primary: function() { return this.ranges[this.primIndex]; }, + equals: function(other) { + if (other == this) return true; + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false; + for (var i = 0; i < this.ranges.length; i++) { + var here = this.ranges[i], there = other.ranges[i]; + if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false; + } + return true; + }, + deepCopy: function() { + for (var out = [], i = 0; i < this.ranges.length; i++) + out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); + return new Selection(out, this.primIndex); + }, + somethingSelected: function() { + for (var i = 0; i < this.ranges.length; i++) + if (!this.ranges[i].empty()) return true; + return false; + }, + contains: function(pos, end) { + if (!end) end = pos; + for (var i = 0; i < this.ranges.length; i++) { + var range = this.ranges[i]; + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) + return i; + } + return -1; + } + }; + + function Range(anchor, head) { + this.anchor = anchor; this.head = head; + } + + Range.prototype = { + from: function() { return minPos(this.anchor, this.head); }, + to: function() { return maxPos(this.anchor, this.head); }, + empty: function() { + return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; + } + }; + + // Take an unsorted, potentially overlapping set of ranges, and + // build a selection out of it. 'Consumes' ranges array (modifying + // it). + function normalizeSelection(ranges, primIndex) { + var prim = ranges[primIndex]; + ranges.sort(function(a, b) { return cmp(a.from(), b.from()); }); + primIndex = indexOf(ranges, prim); + for (var i = 1; i < ranges.length; i++) { + var cur = ranges[i], prev = ranges[i - 1]; + if (cmp(prev.to(), cur.from()) >= 0) { + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; + if (i <= primIndex) --primIndex; + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); + } + } + return new Selection(ranges, primIndex); + } + + function simpleSelection(anchor, head) { + return new Selection([new Range(anchor, head || anchor)], 0); + } + + // Most of the external API clips given positions to make sure they + // actually exist within the document. + function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} + function clipPos(doc, pos) { + if (pos.line < doc.first) return Pos(doc.first, 0); + var last = doc.first + doc.size - 1; + if (pos.line > last) return Pos(last, getLine(doc, last).text.length); + return clipToLen(pos, getLine(doc, pos.line).text.length); + } + function clipToLen(pos, linelen) { + var ch = pos.ch; + if (ch == null || ch > linelen) return Pos(pos.line, linelen); + else if (ch < 0) return Pos(pos.line, 0); + else return pos; + } + function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} + function clipPosArray(doc, array) { + for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]); + return out; + } + + // SELECTION UPDATES + + // The 'scroll' parameter given to many of these indicated whether + // the new cursor position should be scrolled into view after + // modifying the selection. + + // If shift is held or the extend flag is set, extends a range to + // include a given position (and optionally a second position). + // Otherwise, simply returns the range between the given positions. + // Used for cursor motion and such. + function extendRange(doc, range, head, other) { + if (doc.cm && doc.cm.display.shift || doc.extend) { + var anchor = range.anchor; + if (other) { + var posBefore = cmp(head, anchor) < 0; + if (posBefore != (cmp(other, anchor) < 0)) { + anchor = head; + head = other; + } else if (posBefore != (cmp(head, other) < 0)) { + head = other; + } + } + return new Range(anchor, head); + } else { + return new Range(other || head, head); + } + } + + // Extend the primary selection range, discard the rest. + function extendSelection(doc, head, other, options) { + setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options); + } + + // Extend all selections (pos is an array of selections with length + // equal the number of selections) + function extendSelections(doc, heads, options) { + for (var out = [], i = 0; i < doc.sel.ranges.length; i++) + out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null); + var newSel = normalizeSelection(out, doc.sel.primIndex); + setSelection(doc, newSel, options); + } + + // Updates a single range in the selection. + function replaceOneSelection(doc, i, range, options) { + var ranges = doc.sel.ranges.slice(0); + ranges[i] = range; + setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); + } + + // Reset the selection to a single range. + function setSimpleSelection(doc, anchor, head, options) { + setSelection(doc, simpleSelection(anchor, head), options); + } + + // Give beforeSelectionChange handlers a change to influence a + // selection update. + function filterSelectionChange(doc, sel) { + var obj = { + ranges: sel.ranges, + update: function(ranges) { + this.ranges = []; + for (var i = 0; i < ranges.length; i++) + this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head)); + } + }; + signal(doc, "beforeSelectionChange", doc, obj); + if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); + if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1); + else return sel; + } + + function setSelectionReplaceHistory(doc, sel, options) { + var done = doc.history.done, last = lst(done); + if (last && last.ranges) { + done[done.length - 1] = sel; + setSelectionNoUndo(doc, sel, options); + } else { + setSelection(doc, sel, options); + } + } + + // Set a new selection. + function setSelection(doc, sel, options) { + setSelectionNoUndo(doc, sel, options); + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); + } + + function setSelectionNoUndo(doc, sel, options) { + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + sel = filterSelectionChange(doc, sel); + + var bias = options && options.bias || + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); + + if (!(options && options.scroll === false) && doc.cm) + ensureCursorVisible(doc.cm); + } + + function setSelectionInner(doc, sel) { + if (sel.equals(doc.sel)) return; + + doc.sel = sel; + + if (doc.cm) { + doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; + signalCursorActivity(doc.cm); + } + signalLater(doc, "cursorActivity", doc); + } + + // Verify that the selection does not partially select any atomic + // marked ranges. + function reCheckSelection(doc) { + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll); + } + + // Return a selection that does not partially select any atomic + // ranges. + function skipAtomicInSelection(doc, sel, bias, mayClear) { + var out; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + var newAnchor = skipAtomic(doc, range.anchor, bias, mayClear); + var newHead = skipAtomic(doc, range.head, bias, mayClear); + if (out || newAnchor != range.anchor || newHead != range.head) { + if (!out) out = sel.ranges.slice(0, i); + out[i] = new Range(newAnchor, newHead); + } + } + return out ? normalizeSelection(out, sel.primIndex) : sel; + } + + // Ensure a given position is not inside an atomic range. + function skipAtomic(doc, pos, bias, mayClear) { + var flipped = false, curPos = pos; + var dir = bias || 1; + doc.cantEdit = false; + search: for (;;) { + var line = getLine(doc, curPos.line); + if (line.markedSpans) { + for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker; + if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) && + (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter"); + if (m.explicitlyCleared) { + if (!line.markedSpans) break; + else {--i; continue;} + } + } + if (!m.atomic) continue; + var newPos = m.find(dir < 0 ? -1 : 1); + if (cmp(newPos, curPos) == 0) { + newPos.ch += dir; + if (newPos.ch < 0) { + if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1)); + else newPos = null; + } else if (newPos.ch > line.text.length) { + if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0); + else newPos = null; + } + if (!newPos) { + if (flipped) { + // Driven in a corner -- no valid cursor position found at all + // -- try again *with* clearing, if we didn't already + if (!mayClear) return skipAtomic(doc, pos, bias, true); + // Otherwise, turn off editing until further notice, and return the start of the doc + doc.cantEdit = true; + return Pos(doc.first, 0); + } + flipped = true; newPos = pos; dir = -dir; + } + } + curPos = newPos; + continue search; + } + } + } + return curPos; + } + } + + // SELECTION DRAWING + + function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()); + } + + function prepareSelection(cm, primary) { + var doc = cm.doc, result = {}; + var curFragment = result.cursors = document.createDocumentFragment(); + var selFragment = result.selection = document.createDocumentFragment(); + + for (var i = 0; i < doc.sel.ranges.length; i++) { + if (primary === false && i == doc.sel.primIndex) continue; + var range = doc.sel.ranges[i]; + var collapsed = range.empty(); + if (collapsed || cm.options.showCursorWhenSelecting) + drawSelectionCursor(cm, range.head, curFragment); + if (!collapsed) + drawSelectionRange(cm, range, selFragment); + } + return result; + } + + // Draws a cursor for the given range + function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); + + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); + cursor.style.left = pos.left + "px"; + cursor.style.top = pos.top + "px"; + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + + if (pos.other) { + // Secondary cursor, shown when on a 'jump' in bi-directional text + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); + otherCursor.style.display = ""; + otherCursor.style.left = pos.other.left + "px"; + otherCursor.style.top = pos.other.top + "px"; + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + } + } + + // Draws the given range as a highlighted selection + function drawSelectionRange(cm, range, output) { + var display = cm.display, doc = cm.doc; + var fragment = document.createDocumentFragment(); + var padding = paddingH(cm.display), leftSide = padding.left; + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; + + function add(left, top, width, bottom) { + if (top < 0) top = 0; + top = Math.round(top); + bottom = Math.round(bottom); + fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + + "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) + + "px; height: " + (bottom - top) + "px")); + } + + function drawForLine(line, fromArg, toArg) { + var lineObj = getLine(doc, line); + var lineLen = lineObj.text.length; + var start, end; + function coords(ch, bias) { + return charCoords(cm, Pos(line, ch), "div", lineObj, bias); + } + + iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { + var leftPos = coords(from, "left"), rightPos, left, right; + if (from == to) { + rightPos = leftPos; + left = right = leftPos.left; + } else { + rightPos = coords(to - 1, "right"); + if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } + left = leftPos.left; + right = rightPos.right; + } + if (fromArg == null && from == 0) left = leftSide; + if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part + add(left, leftPos.top, null, leftPos.bottom); + left = leftSide; + if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); + } + if (toArg == null && to == lineLen) right = rightSide; + if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) + start = leftPos; + if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) + end = rightPos; + if (left < leftSide + 1) left = leftSide; + add(left, rightPos.top, right - left, rightPos.bottom); + }); + return {start: start, end: end}; + } + + var sFrom = range.from(), sTo = range.to(); + if (sFrom.line == sTo.line) { + drawForLine(sFrom.line, sFrom.ch, sTo.ch); + } else { + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); + var singleVLine = visualLine(fromLine) == visualLine(toLine); + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; + if (singleVLine) { + if (leftEnd.top < rightStart.top - 2) { + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); + } else { + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + } + } + if (leftEnd.bottom < rightStart.top) + add(leftSide, leftEnd.bottom, null, rightStart.top); + } + + output.appendChild(fragment); + } + + // Cursor-blinking + function restartBlink(cm) { + if (!cm.state.focused) return; + var display = cm.display; + clearInterval(display.blinker); + var on = true; + display.cursorDiv.style.visibility = ""; + if (cm.options.cursorBlinkRate > 0) + display.blinker = setInterval(function() { + display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; + }, cm.options.cursorBlinkRate); + else if (cm.options.cursorBlinkRate < 0) + display.cursorDiv.style.visibility = "hidden"; + } + + // HIGHLIGHT WORKER + + function startWorker(cm, time) { + if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) + cm.state.highlight.set(time, bind(highlightWorker, cm)); + } + + function highlightWorker(cm) { + var doc = cm.doc; + if (doc.frontier < doc.first) doc.frontier = doc.first; + if (doc.frontier >= cm.display.viewTo) return; + var end = +new Date + cm.options.workTime; + var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); + var changedLines = []; + + doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { + if (doc.frontier >= cm.display.viewFrom) { // Visible + var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; + var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); + line.styles = highlighted.styles; + var oldCls = line.styleClasses, newCls = highlighted.classes; + if (newCls) line.styleClasses = newCls; + else if (oldCls) line.styleClasses = null; + var ischange = !oldStyles || oldStyles.length != line.styles.length || + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); + for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; + if (ischange) changedLines.push(doc.frontier); + line.stateAfter = tooLong ? state : copyState(doc.mode, state); + } else { + if (line.text.length <= cm.options.maxHighlightLength) + processLine(cm, line.text, state); + line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; + } + ++doc.frontier; + if (+new Date > end) { + startWorker(cm, cm.options.workDelay); + return true; + } + }); + if (changedLines.length) runInOp(cm, function() { + for (var i = 0; i < changedLines.length; i++) + regLineChange(cm, changedLines[i], "text"); + }); + } + + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(cm, n, precise) { + var minindent, minline, doc = cm.doc; + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); + for (var search = n; search > lim; --search) { + if (search <= doc.first) return doc.first; + var line = getLine(doc, search - 1); + if (line.stateAfter && (!precise || search <= doc.frontier)) return search; + var indented = countColumn(line.text, null, cm.options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; + } + } + return minline; + } + + function getStateBefore(cm, n, precise) { + var doc = cm.doc, display = cm.display; + if (!doc.mode.startState) return true; + var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; + if (!state) state = startState(doc.mode); + else state = copyState(doc.mode, state); + doc.iter(pos, n, function(line) { + processLine(cm, line.text, state); + var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; + line.stateAfter = save ? copyState(doc.mode, state) : null; + ++pos; + }); + if (precise) doc.frontier = pos; + return state; + } + + // POSITION MEASUREMENT + + function paddingTop(display) {return display.lineSpace.offsetTop;} + function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} + function paddingH(display) { + if (display.cachedPaddingH) return display.cachedPaddingH; + var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); + var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; + var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; + if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; + return data; + } + + function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } + function displayWidth(cm) { + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; + } + function displayHeight(cm) { + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; + } + + // Ensure the lineView.wrapping.heights array is populated. This is + // an array of bottom offsets for the lines that make up a drawn + // line. When lineWrapping is on, there might be more than one + // height. + function ensureLineHeights(cm, lineView, rect) { + var wrapping = cm.options.lineWrapping; + var curWidth = wrapping && displayWidth(cm); + if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { + var heights = lineView.measure.heights = []; + if (wrapping) { + lineView.measure.width = curWidth; + var rects = lineView.text.firstChild.getClientRects(); + for (var i = 0; i < rects.length - 1; i++) { + var cur = rects[i], next = rects[i + 1]; + if (Math.abs(cur.bottom - next.bottom) > 2) + heights.push((cur.bottom + next.top) / 2 - rect.top); + } + } + heights.push(rect.bottom - rect.top); + } + } + + // Find a line map (mapping character offsets to text nodes) and a + // measurement cache for the given line number. (A line view might + // contain multiple lines when collapsed ranges are present.) + function mapFromLineView(lineView, line, lineN) { + if (lineView.line == line) + return {map: lineView.measure.map, cache: lineView.measure.cache}; + for (var i = 0; i < lineView.rest.length; i++) + if (lineView.rest[i] == line) + return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]}; + for (var i = 0; i < lineView.rest.length; i++) + if (lineNo(lineView.rest[i]) > lineN) + return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true}; + } + + // Render a line into the hidden node display.externalMeasured. Used + // when measurement is needed for a line that's not in the viewport. + function updateExternalMeasurement(cm, line) { + line = visualLine(line); + var lineN = lineNo(line); + var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); + view.lineN = lineN; + var built = view.built = buildLineContent(cm, view); + view.text = built.pre; + removeChildrenAndAdd(cm.display.lineMeasure, built.pre); + return view; + } + + // Get a {top, bottom, left, right} box (in line-local coordinates) + // for a given character. + function measureChar(cm, line, ch, bias) { + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias); + } + + // Find a line view that corresponds to the given line number. + function findViewForLine(cm, lineN) { + if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) + return cm.display.view[findViewIndex(cm, lineN)]; + var ext = cm.display.externalMeasured; + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) + return ext; + } + + // Measurement can be split in two steps, the set-up work that + // applies to the whole line, and the measurement of the actual + // character. Functions like coordsChar, that need to do a lot of + // measurements in a row, can thus ensure that the set-up work is + // only done once. + function prepareMeasureForLine(cm, line) { + var lineN = lineNo(line); + var view = findViewForLine(cm, lineN); + if (view && !view.text) { + view = null; + } else if (view && view.changes) { + updateLineForChanges(cm, view, lineN, getDimensions(cm)); + cm.curOp.forceUpdate = true; + } + if (!view) + view = updateExternalMeasurement(cm, line); + + var info = mapFromLineView(view, line, lineN); + return { + line: line, view: view, rect: null, + map: info.map, cache: info.cache, before: info.before, + hasHeights: false + }; + } + + // Given a prepared measurement object, measures the position of an + // actual character (or fetches it from the cache). + function measureCharPrepared(cm, prepared, ch, bias, varHeight) { + if (prepared.before) ch = -1; + var key = ch + (bias || ""), found; + if (prepared.cache.hasOwnProperty(key)) { + found = prepared.cache[key]; + } else { + if (!prepared.rect) + prepared.rect = prepared.view.text.getBoundingClientRect(); + if (!prepared.hasHeights) { + ensureLineHeights(cm, prepared.view, prepared.rect); + prepared.hasHeights = true; + } + found = measureCharInner(cm, prepared, ch, bias); + if (!found.bogus) prepared.cache[key] = found; + } + return {left: found.left, right: found.right, + top: varHeight ? found.rtop : found.top, + bottom: varHeight ? found.rbottom : found.bottom}; + } + + var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; + + function nodeAndOffsetInLineMap(map, ch, bias) { + var node, start, end, collapse; + // First, search the line map for the text node corresponding to, + // or closest to, the target character. + for (var i = 0; i < map.length; i += 3) { + var mStart = map[i], mEnd = map[i + 1]; + if (ch < mStart) { + start = 0; end = 1; + collapse = "left"; + } else if (ch < mEnd) { + start = ch - mStart; + end = start + 1; + } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { + end = mEnd - mStart; + start = end - 1; + if (ch >= mEnd) collapse = "right"; + } + if (start != null) { + node = map[i + 2]; + if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) + collapse = bias; + if (bias == "left" && start == 0) + while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { + node = map[(i -= 3) + 2]; + collapse = "left"; + } + if (bias == "right" && start == mEnd - mStart) + while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { + node = map[(i += 3) + 2]; + collapse = "right"; + } + break; + } + } + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; + } + + function measureCharInner(cm, prepared, ch, bias) { + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); + var node = place.node, start = place.start, end = place.end, collapse = place.collapse; + + var rect; + if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. + for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) { + rect = node.parentNode.getBoundingClientRect(); + } else if (ie && cm.options.lineWrapping) { + var rects = range(node, start, end).getClientRects(); + if (rects.length) + rect = rects[bias == "right" ? rects.length - 1 : 0]; + else + rect = nullRect; + } else { + rect = range(node, start, end).getBoundingClientRect() || nullRect; + } + if (rect.left || rect.right || start == 0) break; + end = start; + start = start - 1; + collapse = "right"; + } + if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); + } else { // If it is a widget, simply get the box for the whole widget. + if (start > 0) collapse = bias = "right"; + var rects; + if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) + rect = rects[bias == "right" ? rects.length - 1 : 0]; + else + rect = node.getBoundingClientRect(); + } + if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { + var rSpan = node.parentNode.getClientRects()[0]; + if (rSpan) + rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; + else + rect = nullRect; + } + + var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; + var mid = (rtop + rbot) / 2; + var heights = prepared.view.measure.heights; + for (var i = 0; i < heights.length - 1; i++) + if (mid < heights[i]) break; + var top = i ? heights[i - 1] : 0, bot = heights[i]; + var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, + top: top, bottom: bot}; + if (!rect.left && !rect.right) result.bogus = true; + if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } + + return result; + } + + // Work around problem with bounding client rects on ranges being + // returned incorrectly when zoomed on IE10 and below. + function maybeUpdateRectForZooming(measure, rect) { + if (!window.screen || screen.logicalXDPI == null || + screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) + return rect; + var scaleX = screen.logicalXDPI / screen.deviceXDPI; + var scaleY = screen.logicalYDPI / screen.deviceYDPI; + return {left: rect.left * scaleX, right: rect.right * scaleX, + top: rect.top * scaleY, bottom: rect.bottom * scaleY}; + } + + function clearLineMeasurementCacheFor(lineView) { + if (lineView.measure) { + lineView.measure.cache = {}; + lineView.measure.heights = null; + if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) + lineView.measure.caches[i] = {}; + } + } + + function clearLineMeasurementCache(cm) { + cm.display.externalMeasure = null; + removeChildren(cm.display.lineMeasure); + for (var i = 0; i < cm.display.view.length; i++) + clearLineMeasurementCacheFor(cm.display.view[i]); + } + + function clearCaches(cm) { + clearLineMeasurementCache(cm); + cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; + if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; + cm.display.lineNumChars = null; + } + + function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } + function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } + + // Converts a {top, bottom, left, right} box from line-local + // coordinates into another coordinate system. Context may be one of + // "line", "div" (display.lineDiv), "local"/null (editor), "window", + // or "page". + function intoCoordSystem(cm, lineObj, rect, context) { + if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { + var size = widgetHeight(lineObj.widgets[i]); + rect.top += size; rect.bottom += size; + } + if (context == "line") return rect; + if (!context) context = "local"; + var yOff = heightAtLine(lineObj); + if (context == "local") yOff += paddingTop(cm.display); + else yOff -= cm.display.viewOffset; + if (context == "page" || context == "window") { + var lOff = cm.display.lineSpace.getBoundingClientRect(); + yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); + var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); + rect.left += xOff; rect.right += xOff; + } + rect.top += yOff; rect.bottom += yOff; + return rect; + } + + // Coverts a box from "div" coords to another coordinate system. + // Context may be "window", "page", "div", or "local"/null. + function fromCoordSystem(cm, coords, context) { + if (context == "div") return coords; + var left = coords.left, top = coords.top; + // First move into "page" coordinate system + if (context == "page") { + left -= pageScrollX(); + top -= pageScrollY(); + } else if (context == "local" || !context) { + var localBox = cm.display.sizer.getBoundingClientRect(); + left += localBox.left; + top += localBox.top; + } + + var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; + } + + function charCoords(cm, pos, context, lineObj, bias) { + if (!lineObj) lineObj = getLine(cm.doc, pos.line); + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); + } + + // Returns a box for a given cursor position, which may have an + // 'other' property containing the position of the secondary cursor + // on a bidi boundary. + function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { + lineObj = lineObj || getLine(cm.doc, pos.line); + if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); + function get(ch, right) { + var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); + if (right) m.left = m.right; else m.right = m.left; + return intoCoordSystem(cm, lineObj, m, context); + } + function getBidi(ch, partPos) { + var part = order[partPos], right = part.level % 2; + if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { + part = order[--partPos]; + ch = bidiRight(part) - (part.level % 2 ? 0 : 1); + right = true; + } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { + part = order[++partPos]; + ch = bidiLeft(part) - part.level % 2; + right = false; + } + if (right && ch == part.to && ch > part.from) return get(ch - 1); + return get(ch, right); + } + var order = getOrder(lineObj), ch = pos.ch; + if (!order) return get(ch); + var partPos = getBidiPartAt(order, ch); + var val = getBidi(ch, partPos); + if (bidiOther != null) val.other = getBidi(ch, bidiOther); + return val; + } + + // Used to cheaply estimate the coordinates for a position. Used for + // intermediate scroll updates. + function estimateCoords(cm, pos) { + var left = 0, pos = clipPos(cm.doc, pos); + if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; + var lineObj = getLine(cm.doc, pos.line); + var top = heightAtLine(lineObj) + paddingTop(cm.display); + return {left: left, right: left, top: top, bottom: top + lineObj.height}; + } + + // Positions returned by coordsChar contain some extra information. + // xRel is the relative x position of the input coordinates compared + // to the found position (so xRel > 0 means the coordinates are to + // the right of the character position, for example). When outside + // is true, that means the coordinates lie outside the line's + // vertical range. + function PosWithInfo(line, ch, outside, xRel) { + var pos = Pos(line, ch); + pos.xRel = xRel; + if (outside) pos.outside = true; + return pos; + } + + // Compute the character position closest to the given coordinates. + // Input must be lineSpace-local ("div" coordinate system). + function coordsChar(cm, x, y) { + var doc = cm.doc; + y += cm.display.viewOffset; + if (y < 0) return PosWithInfo(doc.first, 0, true, -1); + var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; + if (lineN > last) + return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); + if (x < 0) x = 0; + + var lineObj = getLine(doc, lineN); + for (;;) { + var found = coordsCharInner(cm, lineObj, lineN, x, y); + var merged = collapsedSpanAtEnd(lineObj); + var mergedPos = merged && merged.find(0, true); + if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) + lineN = lineNo(lineObj = mergedPos.to.line); + else + return found; + } + } + + function coordsCharInner(cm, lineObj, lineNo, x, y) { + var innerOff = y - heightAtLine(lineObj); + var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; + var preparedMeasure = prepareMeasureForLine(cm, lineObj); + + function getX(ch) { + var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); + wrongLine = true; + if (innerOff > sp.bottom) return sp.left - adjust; + else if (innerOff < sp.top) return sp.left + adjust; + else wrongLine = false; + return sp.left; + } + + var bidi = getOrder(lineObj), dist = lineObj.text.length; + var from = lineLeft(lineObj), to = lineRight(lineObj); + var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; + + if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); + // Do a binary search between these bounds. + for (;;) { + if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { + var ch = x < fromX || x - fromX <= toX - x ? from : to; + var xDiff = x - (ch == from ? fromX : toX); + while (isExtendingChar(lineObj.text.charAt(ch))) ++ch; + var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside, + xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0); + return pos; + } + var step = Math.ceil(dist / 2), middle = from + step; + if (bidi) { + middle = from; + for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); + } + var middleX = getX(middle); + if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} + else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} + } + } + + var measureText; + // Compute the default text height. + function textHeight(display) { + if (display.cachedTextHeight != null) return display.cachedTextHeight; + if (measureText == null) { + measureText = elt("pre"); + // Measure a bunch of lines, for browsers that compute + // fractional heights. + for (var i = 0; i < 49; ++i) { + measureText.appendChild(document.createTextNode("x")); + measureText.appendChild(elt("br")); + } + measureText.appendChild(document.createTextNode("x")); + } + removeChildrenAndAdd(display.measure, measureText); + var height = measureText.offsetHeight / 50; + if (height > 3) display.cachedTextHeight = height; + removeChildren(display.measure); + return height || 1; + } + + // Compute the default character width. + function charWidth(display) { + if (display.cachedCharWidth != null) return display.cachedCharWidth; + var anchor = elt("span", "xxxxxxxxxx"); + var pre = elt("pre", [anchor]); + removeChildrenAndAdd(display.measure, pre); + var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; + if (width > 2) display.cachedCharWidth = width; + return width || 10; + } + + // OPERATIONS + + // Operations are used to wrap a series of changes to the editor + // state in such a way that each change won't have to update the + // cursor and display (which would be awkward, slow, and + // error-prone). Instead, display updates are batched and then all + // combined and executed at once. + + var operationGroup = null; + + var nextOpId = 0; + // Start a new operation. + function startOperation(cm) { + cm.curOp = { + cm: cm, + viewChanged: false, // Flag that indicates that lines might need to be redrawn + startHeight: cm.doc.height, // Used to detect need to update scrollbar + forceUpdate: false, // Used to force a redraw + updateInput: null, // Whether to reset the input textarea + typing: false, // Whether this reset should be careful to leave existing text (for compositing) + changeObjs: null, // Accumulated changes, for firing change events + cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on + cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already + selectionChanged: false, // Whether the selection needs to be redrawn + updateMaxLine: false, // Set when the widest line needs to be determined anew + scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet + scrollToPos: null, // Used to scroll to a specific position + focus: false, + id: ++nextOpId // Unique ID + }; + if (operationGroup) { + operationGroup.ops.push(cm.curOp); + } else { + cm.curOp.ownsGroup = operationGroup = { + ops: [cm.curOp], + delayedCallbacks: [] + }; + } + } + + function fireCallbacksForOps(group) { + // Calls delayed callbacks and cursorActivity handlers until no + // new ones appear + var callbacks = group.delayedCallbacks, i = 0; + do { + for (; i < callbacks.length; i++) + callbacks[i].call(null); + for (var j = 0; j < group.ops.length; j++) { + var op = group.ops[j]; + if (op.cursorActivityHandlers) + while (op.cursorActivityCalled < op.cursorActivityHandlers.length) + op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); + } + } while (i < callbacks.length); + } + + // Finish an operation, updating the display and signalling delayed events + function endOperation(cm) { + var op = cm.curOp, group = op.ownsGroup; + if (!group) return; + + try { fireCallbacksForOps(group); } + finally { + operationGroup = null; + for (var i = 0; i < group.ops.length; i++) + group.ops[i].cm.curOp = null; + endOperations(group); + } + } + + // The DOM updates done when an operation finishes are batched so + // that the minimum number of relayouts are required. + function endOperations(group) { + var ops = group.ops; + for (var i = 0; i < ops.length; i++) // Read DOM + endOperation_R1(ops[i]); + for (var i = 0; i < ops.length; i++) // Write DOM (maybe) + endOperation_W1(ops[i]); + for (var i = 0; i < ops.length; i++) // Read DOM + endOperation_R2(ops[i]); + for (var i = 0; i < ops.length; i++) // Write DOM (maybe) + endOperation_W2(ops[i]); + for (var i = 0; i < ops.length; i++) // Read DOM + endOperation_finish(ops[i]); + } + + function endOperation_R1(op) { + var cm = op.cm, display = cm.display; + maybeClipScrollbars(cm); + if (op.updateMaxLine) findMaxLine(cm); + + op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || + op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || + op.scrollToPos.to.line >= display.viewTo) || + display.maxLineChanged && cm.options.lineWrapping; + op.update = op.mustUpdate && + new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); + } + + function endOperation_W1(op) { + op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); + } + + function endOperation_R2(op) { + var cm = op.cm, display = cm.display; + if (op.updatedDisplay) updateHeightsInViewport(cm); + + op.barMeasure = measureForScrollbars(cm); + + // If the max line changed since it was last measured, measure it, + // and ensure the document's width matches it. + // updateDisplay_W2 will use these properties to do the actual resizing + if (display.maxLineChanged && !cm.options.lineWrapping) { + op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; + cm.display.sizerWidth = op.adjustWidthTo; + op.barMeasure.scrollWidth = + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); + } + + if (op.updatedDisplay || op.selectionChanged) + op.preparedSelection = display.input.prepareSelection(); + } + + function endOperation_W2(op) { + var cm = op.cm; + + if (op.adjustWidthTo != null) { + cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; + if (op.maxScrollLeft < cm.doc.scrollLeft) + setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); + cm.display.maxLineChanged = false; + } + + if (op.preparedSelection) + cm.display.input.showSelection(op.preparedSelection); + if (op.updatedDisplay) + setDocumentHeight(cm, op.barMeasure); + if (op.updatedDisplay || op.startHeight != cm.doc.height) + updateScrollbars(cm, op.barMeasure); + + if (op.selectionChanged) restartBlink(cm); + + if (cm.state.focused && op.updateInput) + cm.display.input.reset(op.typing); + if (op.focus && op.focus == activeElt()) ensureFocus(op.cm); + } + + function endOperation_finish(op) { + var cm = op.cm, display = cm.display, doc = cm.doc; + + if (op.updatedDisplay) postUpdateDisplay(cm, op.update); + + // Abort mouse wheel delta measurement, when scrolling explicitly + if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) + display.wheelStartX = display.wheelStartY = null; + + // Propagate the scroll position to the actual DOM scroller + if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { + doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); + display.scrollbars.setScrollTop(doc.scrollTop); + display.scroller.scrollTop = doc.scrollTop; + } + if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { + doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - displayWidth(cm), op.scrollLeft)); + display.scrollbars.setScrollLeft(doc.scrollLeft); + display.scroller.scrollLeft = doc.scrollLeft; + alignHorizontally(cm); + } + // If we need to scroll a specific position into view, do so. + if (op.scrollToPos) { + var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); + if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); + } + + // Fire events for markers that are hidden/unidden by editing or + // undoing + var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; + if (hidden) for (var i = 0; i < hidden.length; ++i) + if (!hidden[i].lines.length) signal(hidden[i], "hide"); + if (unhidden) for (var i = 0; i < unhidden.length; ++i) + if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); + + if (display.wrapper.offsetHeight) + doc.scrollTop = cm.display.scroller.scrollTop; + + // Fire change events, and delayed event handlers + if (op.changeObjs) + signal(cm, "changes", cm, op.changeObjs); + if (op.update) + op.update.finish(); + } + + // Run the given function in an operation + function runInOp(cm, f) { + if (cm.curOp) return f(); + startOperation(cm); + try { return f(); } + finally { endOperation(cm); } + } + // Wraps a function in an operation. Returns the wrapped function. + function operation(cm, f) { + return function() { + if (cm.curOp) return f.apply(cm, arguments); + startOperation(cm); + try { return f.apply(cm, arguments); } + finally { endOperation(cm); } + }; + } + // Used to add methods to editor and doc instances, wrapping them in + // operations. + function methodOp(f) { + return function() { + if (this.curOp) return f.apply(this, arguments); + startOperation(this); + try { return f.apply(this, arguments); } + finally { endOperation(this); } + }; + } + function docMethodOp(f) { + return function() { + var cm = this.cm; + if (!cm || cm.curOp) return f.apply(this, arguments); + startOperation(cm); + try { return f.apply(this, arguments); } + finally { endOperation(cm); } + }; + } + + // VIEW TRACKING + + // These objects are used to represent the visible (currently drawn) + // part of the document. A LineView may correspond to multiple + // logical lines, if those are connected by collapsed ranges. + function LineView(doc, line, lineN) { + // The starting line + this.line = line; + // Continuing lines, if any + this.rest = visualLineContinued(line); + // Number of logical lines in this visual line + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; + this.node = this.text = null; + this.hidden = lineIsHidden(doc, line); + } + + // Create a range of LineView objects for the given lines. + function buildViewArray(cm, from, to) { + var array = [], nextPos; + for (var pos = from; pos < to; pos = nextPos) { + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); + nextPos = pos + view.size; + array.push(view); + } + return array; + } + + // Updates the display.view data structure for a given change to the + // document. From and to are in pre-change coordinates. Lendiff is + // the amount of lines added or subtracted by the change. This is + // used for changes that span multiple lines, or change the way + // lines are divided into visual lines. regLineChange (below) + // registers single-line changes. + function regChange(cm, from, to, lendiff) { + if (from == null) from = cm.doc.first; + if (to == null) to = cm.doc.first + cm.doc.size; + if (!lendiff) lendiff = 0; + + var display = cm.display; + if (lendiff && to < display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers > from)) + display.updateLineNumbers = from; + + cm.curOp.viewChanged = true; + + if (from >= display.viewTo) { // Change after + if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) + resetView(cm); + } else if (to <= display.viewFrom) { // Change before + if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { + resetView(cm); + } else { + display.viewFrom += lendiff; + display.viewTo += lendiff; + } + } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap + resetView(cm); + } else if (from <= display.viewFrom) { // Top overlap + var cut = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cut) { + display.view = display.view.slice(cut.index); + display.viewFrom = cut.lineN; + display.viewTo += lendiff; + } else { + resetView(cm); + } + } else if (to >= display.viewTo) { // Bottom overlap + var cut = viewCuttingPoint(cm, from, from, -1); + if (cut) { + display.view = display.view.slice(0, cut.index); + display.viewTo = cut.lineN; + } else { + resetView(cm); + } + } else { // Gap in the middle + var cutTop = viewCuttingPoint(cm, from, from, -1); + var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cutTop && cutBot) { + display.view = display.view.slice(0, cutTop.index) + .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) + .concat(display.view.slice(cutBot.index)); + display.viewTo += lendiff; + } else { + resetView(cm); + } + } + + var ext = display.externalMeasured; + if (ext) { + if (to < ext.lineN) + ext.lineN += lendiff; + else if (from < ext.lineN + ext.size) + display.externalMeasured = null; + } + } + + // Register a change to a single line. Type must be one of "text", + // "gutter", "class", "widget" + function regLineChange(cm, line, type) { + cm.curOp.viewChanged = true; + var display = cm.display, ext = cm.display.externalMeasured; + if (ext && line >= ext.lineN && line < ext.lineN + ext.size) + display.externalMeasured = null; + + if (line < display.viewFrom || line >= display.viewTo) return; + var lineView = display.view[findViewIndex(cm, line)]; + if (lineView.node == null) return; + var arr = lineView.changes || (lineView.changes = []); + if (indexOf(arr, type) == -1) arr.push(type); + } + + // Clear the view. + function resetView(cm) { + cm.display.viewFrom = cm.display.viewTo = cm.doc.first; + cm.display.view = []; + cm.display.viewOffset = 0; + } + + // Find the view element corresponding to a given line. Return null + // when the line isn't visible. + function findViewIndex(cm, n) { + if (n >= cm.display.viewTo) return null; + n -= cm.display.viewFrom; + if (n < 0) return null; + var view = cm.display.view; + for (var i = 0; i < view.length; i++) { + n -= view[i].size; + if (n < 0) return i; + } + } + + function viewCuttingPoint(cm, oldN, newN, dir) { + var index = findViewIndex(cm, oldN), diff, view = cm.display.view; + if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) + return {index: index, lineN: newN}; + for (var i = 0, n = cm.display.viewFrom; i < index; i++) + n += view[i].size; + if (n != oldN) { + if (dir > 0) { + if (index == view.length - 1) return null; + diff = (n + view[index].size) - oldN; + index++; + } else { + diff = n - oldN; + } + oldN += diff; newN += diff; + } + while (visualLineNo(cm.doc, newN) != newN) { + if (index == (dir < 0 ? 0 : view.length - 1)) return null; + newN += dir * view[index - (dir < 0 ? 1 : 0)].size; + index += dir; + } + return {index: index, lineN: newN}; + } + + // Force the view to cover a given range, adding empty view element + // or clipping off existing ones as needed. + function adjustView(cm, from, to) { + var display = cm.display, view = display.view; + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { + display.view = buildViewArray(cm, from, to); + display.viewFrom = from; + } else { + if (display.viewFrom > from) + display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); + else if (display.viewFrom < from) + display.view = display.view.slice(findViewIndex(cm, from)); + display.viewFrom = from; + if (display.viewTo < to) + display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); + else if (display.viewTo > to) + display.view = display.view.slice(0, findViewIndex(cm, to)); + } + display.viewTo = to; + } + + // Count the number of lines in the view whose DOM representation is + // out of date (or nonexistent). + function countDirtyView(cm) { + var view = cm.display.view, dirty = 0; + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; + } + return dirty; + } + + // EVENT HANDLERS + + // Attach the necessary event handlers when initializing the editor + function registerEventHandlers(cm) { + var d = cm.display; + on(d.scroller, "mousedown", operation(cm, onMouseDown)); + // Older IE's will not fire a second mousedown for a double click + if (ie && ie_version < 11) + on(d.scroller, "dblclick", operation(cm, function(e) { + if (signalDOMEvent(cm, e)) return; + var pos = posFromMouse(cm, e); + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; + e_preventDefault(e); + var word = cm.findWordAt(pos); + extendSelection(cm.doc, word.anchor, word.head); + })); + else + on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); + // Some browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for these browsers. + if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); + + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0}; + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); + prevTouch = d.activeTouch; + prevTouch.end = +new Date; + } + }; + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) return false; + var touch = e.touches[0]; + return touch.radiusX <= 1 && touch.radiusY <= 1; + } + function farAway(touch, other) { + if (other.left == null) return true; + var dx = other.left - touch.left, dy = other.top - touch.top; + return dx * dx + dy * dy > 20 * 20; + } + on(d.scroller, "touchstart", function(e) { + if (!isMouseLikeTouchEvent(e)) { + clearTimeout(touchFinished); + var now = +new Date; + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null}; + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX; + d.activeTouch.top = e.touches[0].pageY; + } + } + }); + on(d.scroller, "touchmove", function() { + if (d.activeTouch) d.activeTouch.moved = true; + }); + on(d.scroller, "touchend", function(e) { + var touch = d.activeTouch; + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range; + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + range = new Range(pos, pos); + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + range = cm.findWordAt(pos); + else // Triple tap + range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); + cm.setSelection(range.anchor, range.head); + cm.focus(); + e_preventDefault(e); + } + finishTouch(); + }); + on(d.scroller, "touchcancel", finishTouch); + + // Sync scrolling between fake scrollbars and real scrollable + // area, ensure viewport is updated when scrolling. + on(d.scroller, "scroll", function() { + if (d.scroller.clientHeight) { + setScrollTop(cm, d.scroller.scrollTop); + setScrollLeft(cm, d.scroller.scrollLeft, true); + signal(cm, "scroll", cm); + } + }); + + // Listen to wheel events in order to try and update the viewport on time. + on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); + on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); + + // Prevent wrapper from ever scrolling + on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + + d.dragFunctions = { + enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, + over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, + start: function(e){onDragStart(cm, e);}, + drop: operation(cm, onDrop), + leave: function() {clearDragCursor(cm);} + }; + + var inp = d.input.getField(); + on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); + on(inp, "keydown", operation(cm, onKeyDown)); + on(inp, "keypress", operation(cm, onKeyPress)); + on(inp, "focus", bind(onFocus, cm)); + on(inp, "blur", bind(onBlur, cm)); + } + + function dragDropChanged(cm, value, old) { + var wasOn = old && old != CodeMirror.Init; + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions; + var toggle = value ? on : off; + toggle(cm.display.scroller, "dragstart", funcs.start); + toggle(cm.display.scroller, "dragenter", funcs.enter); + toggle(cm.display.scroller, "dragover", funcs.over); + toggle(cm.display.scroller, "dragleave", funcs.leave); + toggle(cm.display.scroller, "drop", funcs.drop); + } + } + + // Called when the window resizes + function onResize(cm) { + var d = cm.display; + if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) + return; + // Might be a text scaling operation, clear size caches. + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + d.scrollbarsClipped = false; + cm.setSize(); + } + + // MOUSE EVENTS + + // Return true when the given mouse event happened in a widget + function eventInWidget(display, e) { + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + return true; + } + } + + // Given a mouse event, find the corresponding position. If liberal + // is false, it checks whether a gutter or scrollbar was clicked, + // and returns null if it was. forRect is used by rectangular + // selections, and tries to estimate a character position even for + // coordinates beyond the right of the text. + function posFromMouse(cm, e, liberal, forRect) { + var display = cm.display; + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; + + var x, y, space = display.lineSpace.getBoundingClientRect(); + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX - space.left; y = e.clientY - space.top; } + catch (e) { return null; } + var coords = coordsChar(cm, x, y), line; + if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + } + return coords; + } + + // A mouse down can be a single click, double click, triple click, + // start of selection drag, start of text drag, new cursor + // (ctrl-click), rectangle drag (alt-drag), or xwin + // middle-click-paste. Or it might be a click on something we should + // not interfere with, such as a scrollbar or widget. + function onMouseDown(e) { + var cm = this, display = cm.display; + if (display.activeTouch && display.input.supportsTouch() || signalDOMEvent(cm, e)) return; + display.shift = e.shiftKey; + + if (eventInWidget(display, e)) { + if (!webkit) { + // Briefly turn off draggability, to allow widgets to do + // normal dragging things. + display.scroller.draggable = false; + setTimeout(function(){display.scroller.draggable = true;}, 100); + } + return; + } + if (clickInGutter(cm, e)) return; + var start = posFromMouse(cm, e); + window.focus(); + + switch (e_button(e)) { + case 1: + // #3261: make sure, that we're not starting a second selection + if (cm.state.selectingText) + cm.state.selectingText(e); + else if (start) + leftButtonDown(cm, e, start); + else if (e_target(e) == display.scroller) + e_preventDefault(e); + break; + case 2: + if (webkit) cm.state.lastMiddleDown = +new Date; + if (start) extendSelection(cm.doc, start); + setTimeout(function() {display.input.focus();}, 20); + e_preventDefault(e); + break; + case 3: + if (captureRightClick) onContextMenu(cm, e); + else delayBlurEvent(cm); + break; + } + } + + var lastClick, lastDoubleClick; + function leftButtonDown(cm, e, start) { + if (ie) setTimeout(bind(ensureFocus, cm), 0); + else cm.curOp.focus = activeElt(); + + var now = +new Date, type; + if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { + type = "triple"; + } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { + type = "double"; + lastDoubleClick = {time: now, pos: start}; + } else { + type = "single"; + lastClick = {time: now, pos: start}; + } + + var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; + if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && + type == "single" && (contained = sel.contains(start)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && + (cmp(contained.to(), start) > 0 || start.xRel < 0)) + leftButtonStartDrag(cm, e, start, modifier); + else + leftButtonSelect(cm, e, start, type, modifier); + } + + // Start a text drag. When it ends, see if any dragging actually + // happen, and treat as a click if it didn't. + function leftButtonStartDrag(cm, e, start, modifier) { + var display = cm.display, startTime = +new Date; + var dragEnd = operation(cm, function(e2) { + if (webkit) display.scroller.draggable = false; + cm.state.draggingText = false; + off(document, "mouseup", dragEnd); + off(display.scroller, "drop", dragEnd); + if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { + e_preventDefault(e2); + if (!modifier && +new Date - 200 < startTime) + extendSelection(cm.doc, start); + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if (webkit || ie && ie_version == 9) + setTimeout(function() {document.body.focus(); display.input.focus();}, 20); + else + display.input.focus(); + } + }); + // Let the drag handler handle this. + if (webkit) display.scroller.draggable = true; + cm.state.draggingText = dragEnd; + // IE's approach to draggable + if (display.scroller.dragDrop) display.scroller.dragDrop(); + on(document, "mouseup", dragEnd); + on(display.scroller, "drop", dragEnd); + } + + // Normal selection, as opposed to text dragging. + function leftButtonSelect(cm, e, start, type, addNew) { + var display = cm.display, doc = cm.doc; + e_preventDefault(e); + + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; + if (addNew && !e.shiftKey) { + ourIndex = doc.sel.contains(start); + if (ourIndex > -1) + ourRange = ranges[ourIndex]; + else + ourRange = new Range(start, start); + } else { + ourRange = doc.sel.primary(); + ourIndex = doc.sel.primIndex; + } + + if (e.altKey) { + type = "rect"; + if (!addNew) ourRange = new Range(start, start); + start = posFromMouse(cm, e, true, true); + ourIndex = -1; + } else if (type == "double") { + var word = cm.findWordAt(start); + if (cm.display.shift || doc.extend) + ourRange = extendRange(doc, ourRange, word.anchor, word.head); + else + ourRange = word; + } else if (type == "triple") { + var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); + if (cm.display.shift || doc.extend) + ourRange = extendRange(doc, ourRange, line.anchor, line.head); + else + ourRange = line; + } else { + ourRange = extendRange(doc, ourRange, start); + } + + if (!addNew) { + ourIndex = 0; + setSelection(doc, new Selection([ourRange], 0), sel_mouse); + startSel = doc.sel; + } else if (ourIndex == -1) { + ourIndex = ranges.length; + setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), + {scroll: false, origin: "*mouse"}); + } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { + setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}); + startSel = doc.sel; + } else { + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); + } + + var lastPos = start; + function extendTo(pos) { + if (cmp(lastPos, pos) == 0) return; + lastPos = pos; + + if (type == "rect") { + var ranges = [], tabSize = cm.options.tabSize; + var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); + var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; line++) { + var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); + if (left == right) + ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); + else if (text.length > leftPos) + ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); + } + if (!ranges.length) ranges.push(new Range(start, start)); + setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), + {origin: "*mouse", scroll: false}); + cm.scrollIntoView(pos); + } else { + var oldRange = ourRange; + var anchor = oldRange.anchor, head = pos; + if (type != "single") { + if (type == "double") + var range = cm.findWordAt(pos); + else + var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); + if (cmp(range.anchor, anchor) > 0) { + head = range.head; + anchor = minPos(oldRange.from(), range.anchor); + } else { + head = range.anchor; + anchor = maxPos(oldRange.to(), range.head); + } + } + var ranges = startSel.ranges.slice(0); + ranges[ourIndex] = new Range(clipPos(doc, anchor), head); + setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse); + } + } + + var editorSize = display.wrapper.getBoundingClientRect(); + // Used to ensure timeout re-tries don't fire when another extend + // happened in the meantime (clearTimeout isn't reliable -- at + // least on Chrome, the timeouts still happen even when cleared, + // if the clear happens after their scheduled firing time). + var counter = 0; + + function extend(e) { + var curCount = ++counter; + var cur = posFromMouse(cm, e, true, type == "rect"); + if (!cur) return; + if (cmp(cur, lastPos) != 0) { + cm.curOp.focus = activeElt(); + extendTo(cur); + var visible = visibleLines(display, doc); + if (cur.line >= visible.to || cur.line < visible.from) + setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); + } else { + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; + if (outside) setTimeout(operation(cm, function() { + if (counter != curCount) return; + display.scroller.scrollTop += outside; + extend(e); + }), 50); + } + } + + function done(e) { + cm.state.selectingText = false; + counter = Infinity; + e_preventDefault(e); + display.input.focus(); + off(document, "mousemove", move); + off(document, "mouseup", up); + doc.history.lastSelOrigin = null; + } + + var move = operation(cm, function(e) { + if (!e_button(e)) done(e); + else extend(e); + }); + var up = operation(cm, done); + cm.state.selectingText = up; + on(document, "mousemove", move); + on(document, "mouseup", up); + } + + // Determines whether an event happened in the gutter, and fires the + // handlers for the corresponding event. + function gutterEvent(cm, e, type, prevent, signalfn) { + try { var mX = e.clientX, mY = e.clientY; } + catch(e) { return false; } + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; + if (prevent) e_preventDefault(e); + + var display = cm.display; + var lineBox = display.lineDiv.getBoundingClientRect(); + + if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); + mY -= lineBox.top - display.viewOffset; + + for (var i = 0; i < cm.options.gutters.length; ++i) { + var g = display.gutters.childNodes[i]; + if (g && g.getBoundingClientRect().right >= mX) { + var line = lineAtHeight(cm.doc, mY); + var gutter = cm.options.gutters[i]; + signalfn(cm, type, cm, line, gutter, e); + return e_defaultPrevented(e); + } + } + } + + function clickInGutter(cm, e) { + return gutterEvent(cm, e, "gutterClick", true, signalLater); + } + + // Kludge to work around strange IE behavior where it'll sometimes + // re-fire a series of drag-related events right after the drop (#1551) + var lastDrop = 0; + + function onDrop(e) { + var cm = this; + clearDragCursor(cm); + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) + return; + e_preventDefault(e); + if (ie) lastDrop = +new Date; + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; + if (!pos || isReadOnly(cm)) return; + // Might be a file drop, in which case we simply extract the text + // and insert it. + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0; + var loadFile = function(file, i) { + var reader = new FileReader; + reader.onload = operation(cm, function() { + text[i] = reader.result; + if (++read == n) { + pos = clipPos(cm.doc, pos); + var change = {from: pos, to: pos, + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), + origin: "paste"}; + makeChange(cm.doc, change); + setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); + } + }); + reader.readAsText(file); + }; + for (var i = 0; i < n; ++i) loadFile(files[i], i); + } else { // Normal drop + // Don't do a replace if the drop happened inside of the selected text. + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { + cm.state.draggingText(e); + // Ensure the editor is re-focused + setTimeout(function() {cm.display.input.focus();}, 20); + return; + } + try { + var text = e.dataTransfer.getData("Text"); + if (text) { + if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey)) + var selected = cm.listSelections(); + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); + if (selected) for (var i = 0; i < selected.length; ++i) + replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); + cm.replaceSelection(text, "around", "paste"); + cm.display.input.focus(); + } + } + catch(e){} + } + } + + function onDragStart(cm, e) { + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; + + e.dataTransfer.setData("Text", cm.getSelection()); + + // Use dummy image instead of default browsers image. + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. + if (e.dataTransfer.setDragImage && !safari) { + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; + if (presto) { + img.width = img.height = 1; + cm.display.wrapper.appendChild(img); + // Force a relayout, or Opera won't use our image for some obscure reason + img._top = img.offsetTop; + } + e.dataTransfer.setDragImage(img, 0, 0); + if (presto) img.parentNode.removeChild(img); + } + } + + function onDragOver(cm, e) { + var pos = posFromMouse(cm, e); + if (!pos) return; + var frag = document.createDocumentFragment(); + drawSelectionCursor(cm, pos, frag); + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + } + removeChildrenAndAdd(cm.display.dragCursor, frag); + } + + function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor); + cm.display.dragCursor = null; + } + } + + // SCROLL EVENTS + + // Sync the scrollable area and scrollbars, ensure the viewport + // covers the visible area. + function setScrollTop(cm, val) { + if (Math.abs(cm.doc.scrollTop - val) < 2) return; + cm.doc.scrollTop = val; + if (!gecko) updateDisplaySimple(cm, {top: val}); + if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; + cm.display.scrollbars.setScrollTop(val); + if (gecko) updateDisplaySimple(cm); + startWorker(cm, 100); + } + // Sync scroller and scrollbar, ensure the gutter elements are + // aligned. + function setScrollLeft(cm, val, isScroller) { + if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; + val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); + cm.doc.scrollLeft = val; + alignHorizontally(cm); + if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; + cm.display.scrollbars.setScrollLeft(val); + } + + // Since the delta values reported on mouse wheel events are + // unstandardized between browsers and even browser versions, and + // generally horribly unpredictable, this code starts by measuring + // the scroll effect that the first few mouse wheel events have, + // and, from that, detects the way it can convert deltas to pixel + // offsets afterwards. + // + // The reason we want to know the amount a wheel event will scroll + // is that it gives us a chance to update the display before the + // actual scrolling happens, reducing flickering. + + var wheelSamples = 0, wheelPixelsPerUnit = null; + // Fill in a browser-detected starting value on browsers where we + // know one. These don't have to be accurate -- the result of them + // being wrong would just be a slight flicker on the first wheel + // scroll (if it is large enough). + if (ie) wheelPixelsPerUnit = -.53; + else if (gecko) wheelPixelsPerUnit = 15; + else if (chrome) wheelPixelsPerUnit = -.7; + else if (safari) wheelPixelsPerUnit = -1/3; + + var wheelEventDelta = function(e) { + var dx = e.wheelDeltaX, dy = e.wheelDeltaY; + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; + else if (dy == null) dy = e.wheelDelta; + return {x: dx, y: dy}; + }; + CodeMirror.wheelEventPixels = function(e) { + var delta = wheelEventDelta(e); + delta.x *= wheelPixelsPerUnit; + delta.y *= wheelPixelsPerUnit; + return delta; + }; + + function onScrollWheel(cm, e) { + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; + + var display = cm.display, scroll = display.scroller; + // Quit if there's nothing to scroll here + if (!(dx && scroll.scrollWidth > scroll.clientWidth || + dy && scroll.scrollHeight > scroll.clientHeight)) return; + + // Webkit browsers on OS X abort momentum scrolls when the target + // of the scroll event is removed from the scrollable element. + // This hack (see related code in patchDisplay) makes sure the + // element is kept around. + if (dy && mac && webkit) { + outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { + for (var i = 0; i < view.length; i++) { + if (view[i].node == cur) { + cm.display.currentWheelTarget = cur; + break outer; + } + } + } + } + + // On some browsers, horizontal scrolling will cause redraws to + // happen before the gutter has been realigned, causing it to + // wriggle around in a most unseemly way. When we have an + // estimated pixels/delta value, we just handle horizontal + // scrolling entirely here. It'll be slightly off from native, but + // better than glitching out. + if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { + if (dy) + setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); + setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); + e_preventDefault(e); + display.wheelStartX = null; // Abort measurement, if in progress + return; + } + + // 'Project' the visible viewport to cover the area that is being + // scrolled into view (if we know enough to estimate it). + if (dy && wheelPixelsPerUnit != null) { + var pixels = dy * wheelPixelsPerUnit; + var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; + if (pixels < 0) top = Math.max(0, top + pixels - 50); + else bot = Math.min(cm.doc.height, bot + pixels + 50); + updateDisplaySimple(cm, {top: top, bottom: bot}); + } + + if (wheelSamples < 20) { + if (display.wheelStartX == null) { + display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; + display.wheelDX = dx; display.wheelDY = dy; + setTimeout(function() { + if (display.wheelStartX == null) return; + var movedX = scroll.scrollLeft - display.wheelStartX; + var movedY = scroll.scrollTop - display.wheelStartY; + var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || + (movedX && display.wheelDX && movedX / display.wheelDX); + display.wheelStartX = display.wheelStartY = null; + if (!sample) return; + wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); + ++wheelSamples; + }, 200); + } else { + display.wheelDX += dx; display.wheelDY += dy; + } + } + } + + // KEY EVENTS + + // Run a handler that was bound to a key. + function doHandleBinding(cm, bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) return false; + } + // Ensure previous input has been read, so that the handler sees a + // consistent view of the document + cm.display.input.ensurePolled(); + var prevShift = cm.display.shift, done = false; + try { + if (isReadOnly(cm)) cm.state.suppressEdits = true; + if (dropShift) cm.display.shift = false; + done = bound(cm) != Pass; + } finally { + cm.display.shift = prevShift; + cm.state.suppressEdits = false; + } + return done; + } + + function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); + if (result) return result; + } + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm); + } + + var stopSeq = new Delayed; + function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq; + if (seq) { + if (isModifierKey(name)) return "handled"; + stopSeq.set(50, function() { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null; + cm.display.input.reset(); + } + }); + name = seq + " " + name; + } + var result = lookupKeyForEditor(cm, name, handle); + + if (result == "multi") + cm.state.keySeq = name; + if (result == "handled") + signalLater(cm, "keyHandled", cm, name, e); + + if (result == "handled" || result == "multi") { + e_preventDefault(e); + restartBlink(cm); + } + + if (seq && !result && /\'$/.test(name)) { + e_preventDefault(e); + return true; + } + return !!result; + } + + // Handle a key from the keydown event. + function handleKeyBinding(cm, e) { + var name = keyName(e, true); + if (!name) return false; + + if (e.shiftKey && !cm.state.keySeq) { + // First try to resolve full name (including 'Shift-'). Failing + // that, see if there is a cursor-motion command (starting with + // 'go') bound to the keyname without 'Shift-'. + return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) + || dispatchKey(cm, name, e, function(b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + return doHandleBinding(cm, b); + }); + } else { + return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); + } + } + + // Handle a key from the keypress event + function handleCharBinding(cm, e, ch) { + return dispatchKey(cm, "'" + ch + "'", e, + function(b) { return doHandleBinding(cm, b, true); }); + } + + var lastStoppedKey = null; + function onKeyDown(e) { + var cm = this; + cm.curOp.focus = activeElt(); + if (signalDOMEvent(cm, e)) return; + // IE does strange things with escape. + if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false; + var code = e.keyCode; + cm.display.shift = code == 16 || e.shiftKey; + var handled = handleKeyBinding(cm, e); + if (presto) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + cm.replaceSelection("", null, "cut"); + } + + // Turn mouse into crosshair when Alt is held on Mac. + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + showCrossHair(cm); + } + + function showCrossHair(cm) { + var lineDiv = cm.display.lineDiv; + addClass(lineDiv, "CodeMirror-crosshair"); + + function up(e) { + if (e.keyCode == 18 || !e.altKey) { + rmClass(lineDiv, "CodeMirror-crosshair"); + off(document, "keyup", up); + off(document, "mouseover", up); + } + } + on(document, "keyup", up); + on(document, "mouseover", up); + } + + function onKeyUp(e) { + if (e.keyCode == 16) this.doc.sel.shift = false; + signalDOMEvent(this, e); + } + + function onKeyPress(e) { + var cm = this; + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; + var keyCode = e.keyCode, charCode = e.charCode; + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + if (handleCharBinding(cm, e, ch)) return; + cm.display.input.onKeyPress(e); + } + + // FOCUS/BLUR EVENTS + + function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true; + setTimeout(function() { + if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false; + onBlur(cm); + } + }, 100); + } + + function onFocus(cm) { + if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false; + + if (cm.options.readOnly == "nocursor") return; + if (!cm.state.focused) { + signal(cm, "focus", cm); + cm.state.focused = true; + addClass(cm.display.wrapper, "CodeMirror-focused"); + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the + // select-all detection hack) + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { + cm.display.input.reset(); + if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 + } + cm.display.input.receivedFocus(); + } + restartBlink(cm); + } + function onBlur(cm) { + if (cm.state.delayingBlurEvent) return; + + if (cm.state.focused) { + signal(cm, "blur", cm); + cm.state.focused = false; + rmClass(cm.display.wrapper, "CodeMirror-focused"); + } + clearInterval(cm.display.blinker); + setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150); + } + + // CONTEXT MENU HANDLING + + // To make the context menu work, we need to briefly unhide the + // textarea (making it as unobtrusive as possible) to let the + // right-click take effect on it. + function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return; + cm.display.input.onContextMenu(e); + } + + function contextMenuInGutter(cm, e) { + if (!hasHandler(cm, "gutterContextMenu")) return false; + return gutterEvent(cm, e, "gutterContextMenu", false, signal); + } + + // UPDATING + + // Compute the position of the end of a change (its 'to' property + // refers to the pre-change end). + var changeEnd = CodeMirror.changeEnd = function(change) { + if (!change.text) return change.to; + return Pos(change.from.line + change.text.length - 1, + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); + }; + + // Adjust a position to refer to the post-change position of the + // same text, or the end of the change if the change covers it. + function adjustForChange(pos, change) { + if (cmp(pos, change.from) < 0) return pos; + if (cmp(pos, change.to) <= 0) return changeEnd(change); + + var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; + if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; + return Pos(line, ch); + } + + function computeSelAfterChange(doc, change) { + var out = []; + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i]; + out.push(new Range(adjustForChange(range.anchor, change), + adjustForChange(range.head, change))); + } + return normalizeSelection(out, doc.sel.primIndex); + } + + function offsetPos(pos, old, nw) { + if (pos.line == old.line) + return Pos(nw.line, pos.ch - old.ch + nw.ch); + else + return Pos(nw.line + (pos.line - old.line), pos.ch); + } + + // Used by replaceSelections to allow moving the selection to the + // start or around the replaced test. Hint may be "start" or "around". + function computeReplacedSel(doc, changes, hint) { + var out = []; + var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; + for (var i = 0; i < changes.length; i++) { + var change = changes[i]; + var from = offsetPos(change.from, oldPrev, newPrev); + var to = offsetPos(changeEnd(change), oldPrev, newPrev); + oldPrev = change.to; + newPrev = to; + if (hint == "around") { + var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; + out[i] = new Range(inv ? to : from, inv ? from : to); + } else { + out[i] = new Range(from, from); + } + } + return new Selection(out, doc.sel.primIndex); + } + + // Allow "beforeChange" event handlers to influence a change + function filterChange(doc, change, update) { + var obj = { + canceled: false, + from: change.from, + to: change.to, + text: change.text, + origin: change.origin, + cancel: function() { this.canceled = true; } + }; + if (update) obj.update = function(from, to, text, origin) { + if (from) this.from = clipPos(doc, from); + if (to) this.to = clipPos(doc, to); + if (text) this.text = text; + if (origin !== undefined) this.origin = origin; + }; + signal(doc, "beforeChange", doc, obj); + if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); + + if (obj.canceled) return null; + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; + } + + // Apply a change to a document, and add it to the document's + // history, and propagating it to all linked documents. + function makeChange(doc, change, ignoreReadOnly) { + if (doc.cm) { + if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); + if (doc.cm.state.suppressEdits) return; + } + + if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { + change = filterChange(doc, change, true); + if (!change) return; + } + + // Possibly split or suppress the update based on the presence + // of read-only spans in its range. + var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); + if (split) { + for (var i = split.length - 1; i >= 0; --i) + makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}); + } else { + makeChangeInner(doc, change); + } + } + + function makeChangeInner(doc, change) { + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return; + var selAfter = computeSelAfterChange(doc, change); + addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); + + makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); + var rebased = []; + + linkedDocs(doc, function(doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); + }); + } + + // Revert a change stored in a document's history. + function makeChangeFromHistory(doc, type, allowSelectionOnly) { + if (doc.cm && doc.cm.state.suppressEdits) return; + + var hist = doc.history, event, selAfter = doc.sel; + var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; + + // Verify that there is a useable event (so that ctrl-z won't + // needlessly clear selection events) + for (var i = 0; i < source.length; i++) { + event = source[i]; + if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) + break; + } + if (i == source.length) return; + hist.lastOrigin = hist.lastSelOrigin = null; + + for (;;) { + event = source.pop(); + if (event.ranges) { + pushSelectionToHistory(event, dest); + if (allowSelectionOnly && !event.equals(doc.sel)) { + setSelection(doc, event, {clearRedo: false}); + return; + } + selAfter = event; + } + else break; + } + + // Build up a reverse change object to add to the opposite history + // stack (redo when undoing, and vice versa). + var antiChanges = []; + pushSelectionToHistory(selAfter, dest); + dest.push({changes: antiChanges, generation: hist.generation}); + hist.generation = event.generation || ++hist.maxGeneration; + + var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); + + for (var i = event.changes.length - 1; i >= 0; --i) { + var change = event.changes[i]; + change.origin = type; + if (filter && !filterChange(doc, change, false)) { + source.length = 0; + return; + } + + antiChanges.push(historyChangeFromChange(doc, change)); + + var after = i ? computeSelAfterChange(doc, change) : lst(source); + makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); + if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); + var rebased = []; + + // Propagate to the linked documents + linkedDocs(doc, function(doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); + }); + } + } + + // Sub-views need their line numbers shifted when text is added + // above or below them in the parent document. + function shiftDoc(doc, distance) { + if (distance == 0) return; + doc.first += distance; + doc.sel = new Selection(map(doc.sel.ranges, function(range) { + return new Range(Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch)); + }), doc.sel.primIndex); + if (doc.cm) { + regChange(doc.cm, doc.first, doc.first - distance, distance); + for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) + regLineChange(doc.cm, l, "gutter"); + } + } + + // More lower-level change function, handling only a single document + // (not linked ones). + function makeChangeSingleDoc(doc, change, selAfter, spans) { + if (doc.cm && !doc.cm.curOp) + return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); + + if (change.to.line < doc.first) { + shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); + return; + } + if (change.from.line > doc.lastLine()) return; + + // Clip the change to the size of this doc + if (change.from.line < doc.first) { + var shift = change.text.length - 1 - (doc.first - change.from.line); + shiftDoc(doc, shift); + change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), + text: [lst(change.text)], origin: change.origin}; + } + var last = doc.lastLine(); + if (change.to.line > last) { + change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), + text: [change.text[0]], origin: change.origin}; + } + + change.removed = getBetween(doc, change.from, change.to); + + if (!selAfter) selAfter = computeSelAfterChange(doc, change); + if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans); + else updateDoc(doc, change, spans); + setSelectionNoUndo(doc, selAfter, sel_dontScroll); + } + + // Handle the interaction of a change to a document with the editor + // that this document is part of. + function makeChangeSingleDocInEditor(cm, change, spans) { + var doc = cm.doc, display = cm.display, from = change.from, to = change.to; + + var recomputeMaxLength = false, checkWidthStart = from.line; + if (!cm.options.lineWrapping) { + checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); + doc.iter(checkWidthStart, to.line + 1, function(line) { + if (line == display.maxLine) { + recomputeMaxLength = true; + return true; + } + }); + } + + if (doc.sel.contains(change.from, change.to) > -1) + signalCursorActivity(cm); + + updateDoc(doc, change, spans, estimateHeight(cm)); + + if (!cm.options.lineWrapping) { + doc.iter(checkWidthStart, from.line + change.text.length, function(line) { + var len = lineLength(line); + if (len > display.maxLineLength) { + display.maxLine = line; + display.maxLineLength = len; + display.maxLineChanged = true; + recomputeMaxLength = false; + } + }); + if (recomputeMaxLength) cm.curOp.updateMaxLine = true; + } + + // Adjust frontier, schedule worker + doc.frontier = Math.min(doc.frontier, from.line); + startWorker(cm, 400); + + var lendiff = change.text.length - (to.line - from.line) - 1; + // Remember that these lines changed, for updating the display + if (change.full) + regChange(cm); + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + regLineChange(cm, from.line, "text"); + else + regChange(cm, from.line, to.line + 1, lendiff); + + var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); + if (changeHandler || changesHandler) { + var obj = { + from: from, to: to, + text: change.text, + removed: change.removed, + origin: change.origin + }; + if (changeHandler) signalLater(cm, "change", cm, obj); + if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); + } + cm.display.selForContextMenu = null; + } + + function replaceRange(doc, code, from, to, origin) { + if (!to) to = from; + if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } + if (typeof code == "string") code = doc.splitLines(code); + makeChange(doc, {from: from, to: to, text: code, origin: origin}); + } + + // SCROLLING THINGS INTO VIEW + + // If an editor sits on the top or bottom of the window, partially + // scrolled out of view, this ensures that the cursor is visible. + function maybeScrollWindow(cm, coords) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) return; + + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; + if (coords.top + box.top < 0) doScroll = true; + else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; + if (doScroll != null && !phantom) { + var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + + (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + + coords.left + "px; width: 2px;"); + cm.display.lineSpace.appendChild(scrollNode); + scrollNode.scrollIntoView(doScroll); + cm.display.lineSpace.removeChild(scrollNode); + } + } + + // Scroll a given position into view (immediately), verifying that + // it actually became visible (as line heights are accurately + // measured, the position of something may 'drift' during drawing). + function scrollPosIntoView(cm, pos, end, margin) { + if (margin == null) margin = 0; + for (var limit = 0; limit < 5; limit++) { + var changed = false, coords = cursorCoords(cm, pos); + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); + var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), + Math.min(coords.top, endCoords.top) - margin, + Math.max(coords.left, endCoords.left), + Math.max(coords.bottom, endCoords.bottom) + margin); + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; + if (scrollPos.scrollTop != null) { + setScrollTop(cm, scrollPos.scrollTop); + if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; + } + if (scrollPos.scrollLeft != null) { + setScrollLeft(cm, scrollPos.scrollLeft); + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; + } + if (!changed) break; + } + return coords; + } + + // Scroll a given set of coordinates into view (immediately). + function scrollIntoView(cm, x1, y1, x2, y2) { + var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); + if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop); + if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft); + } + + // Calculate a new scroll position needed to scroll the given + // rectangle into view. Returns an object with scrollTop and + // scrollLeft properties. When these are undefined, the + // vertical/horizontal position does not need to be adjusted. + function calculateScrollPos(cm, x1, y1, x2, y2) { + var display = cm.display, snapMargin = textHeight(cm.display); + if (y1 < 0) y1 = 0; + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; + var screen = displayHeight(cm), result = {}; + if (y2 - y1 > screen) y2 = y1 + screen; + var docBottom = cm.doc.height + paddingVert(display); + var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; + if (y1 < screentop) { + result.scrollTop = atTop ? 0 : y1; + } else if (y2 > screentop + screen) { + var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen); + if (newTop != screentop) result.scrollTop = newTop; + } + + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; + var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); + var tooWide = x2 - x1 > screenw; + if (tooWide) x2 = x1 + screenw; + if (x1 < 10) + result.scrollLeft = 0; + else if (x1 < screenleft) + result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); + else if (x2 > screenw + screenleft - 3) + result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw; + return result; + } + + // Store a relative adjustment to the scroll position in the current + // operation (to be applied when the operation finishes). + function addToScrollPos(cm, left, top) { + if (left != null || top != null) resolveScrollToPos(cm); + if (left != null) + cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left; + if (top != null) + cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; + } + + // Make sure that at the end of the operation the current cursor is + // shown. + function ensureCursorVisible(cm) { + resolveScrollToPos(cm); + var cur = cm.getCursor(), from = cur, to = cur; + if (!cm.options.lineWrapping) { + from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur; + to = Pos(cur.line, cur.ch + 1); + } + cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}; + } + + // When an operation has its scrollToPos property set, and another + // scroll action is applied before the end of the operation, this + // 'simulates' scrolling that position into view in a cheap way, so + // that the effect of intermediate scroll commands is not ignored. + function resolveScrollToPos(cm) { + var range = cm.curOp.scrollToPos; + if (range) { + cm.curOp.scrollToPos = null; + var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); + var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), + Math.min(from.top, to.top) - range.margin, + Math.max(from.right, to.right), + Math.max(from.bottom, to.bottom) + range.margin); + cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); + } + } + + // API UTILITIES + + // Indent the given line. The how parameter can be "smart", + // "add"/null, "subtract", or "prev". When aggressive is false + // (typically set to true for forced single-line indents), empty + // lines are not indented, and places where the mode returns Pass + // are left alone. + function indentLine(cm, n, how, aggressive) { + var doc = cm.doc, state; + if (how == null) how = "add"; + if (how == "smart") { + // Fall back to "prev" when the mode doesn't have an indentation + // method. + if (!doc.mode.indent) how = "prev"; + else state = getStateBefore(cm, n); + } + + var tabSize = cm.options.tabSize; + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); + if (line.stateAfter) line.stateAfter = null; + var curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (!aggressive && !/\S/.test(line.text)) { + indentation = 0; + how = "not"; + } else if (how == "smart") { + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass || indentation > 150) { + if (!aggressive) return; + how = "prev"; + } + } + if (how == "prev") { + if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); + else indentation = 0; + } else if (how == "add") { + indentation = curSpace + cm.options.indentUnit; + } else if (how == "subtract") { + indentation = curSpace - cm.options.indentUnit; + } else if (typeof how == "number") { + indentation = curSpace + how; + } + indentation = Math.max(0, indentation); + + var indentString = "", pos = 0; + if (cm.options.indentWithTabs) + for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} + if (pos < indentation) indentString += spaceStr(indentation - pos); + + if (indentString != curSpaceString) { + // PARINFER EDIT: "+indenthack" was: "+input" + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+indenthack"); + + line.stateAfter = null; + return true; + } else { + // Ensure that, if the cursor was in the whitespace at the start + // of the line, it is moved to the end of that space. + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i]; + if (range.head.line == n && range.head.ch < curSpaceString.length) { + var pos = Pos(n, curSpaceString.length); + replaceOneSelection(doc, i, new Range(pos, pos)); + break; + } + } + } + } + + // Utility for applying a change to a line by handle or number, + // returning the number and optionally registering the line as + // changed. + function changeLine(doc, handle, changeType, op) { + var no = handle, line = handle; + if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); + else no = lineNo(handle); + if (no == null) return null; + if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType); + return line; + } + + // Helper for deleting text near the selection(s), used to implement + // backspace, delete, and similar functionality. + function deleteNearSelection(cm, compute) { + var ranges = cm.doc.sel.ranges, kill = []; + // Build up a set of ranges to kill first, merging overlapping + // ranges. + for (var i = 0; i < ranges.length; i++) { + var toKill = compute(ranges[i]); + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { + var replaced = kill.pop(); + if (cmp(replaced.from, toKill.from) < 0) { + toKill.from = replaced.from; + break; + } + } + kill.push(toKill); + } + // Next, remove those actual ranges. + runInOp(cm, function() { + for (var i = kill.length - 1; i >= 0; i--) + replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); + ensureCursorVisible(cm); + }); + } + + // Used for horizontal relative motion. Dir is -1 or 1 (left or + // right), unit can be "char", "column" (like char, but doesn't + // cross line boundaries), "word" (across next word), or "group" (to + // the start of next group of word or non-word-non-whitespace + // chars). The visually param controls whether, in right-to-left + // text, direction 1 means to move towards the next index in the + // string, or towards the character to the right of the current + // position. The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosH(doc, pos, dir, unit, visually) { + var line = pos.line, ch = pos.ch, origDir = dir; + var lineObj = getLine(doc, line); + var possible = true; + function findNextLine() { + var l = line + dir; + if (l < doc.first || l >= doc.first + doc.size) return (possible = false); + line = l; + return lineObj = getLine(doc, l); + } + function moveOnce(boundToLine) { + var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); + if (next == null) { + if (!boundToLine && findNextLine()) { + if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); + else ch = dir < 0 ? lineObj.text.length : 0; + } else return (possible = false); + } else ch = next; + return true; + } + + if (unit == "char") moveOnce(); + else if (unit == "column") moveOnce(true); + else if (unit == "word" || unit == "group") { + var sawType = null, group = unit == "group"; + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); + for (var first = true;; first = false) { + if (dir < 0 && !moveOnce(!first)) break; + var cur = lineObj.text.charAt(ch) || "\n"; + var type = isWordChar(cur, helper) ? "w" + : group && cur == "\n" ? "n" + : !group || /\s/.test(cur) ? null + : "p"; + if (group && !first && !type) type = "s"; + if (sawType && sawType != type) { + if (dir < 0) {dir = 1; moveOnce();} + break; + } + + if (type) sawType = type; + if (dir > 0 && !moveOnce(!first)) break; + } + } + var result = skipAtomic(doc, Pos(line, ch), origDir, true); + if (!possible) result.hitSide = true; + return result; + } + + // For relative vertical movement. Dir may be -1 or 1. Unit can be + // "page" or "line". The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosV(cm, pos, dir, unit) { + var doc = cm.doc, x = pos.left, y; + if (unit == "page") { + var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); + y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); + } else if (unit == "line") { + y = dir > 0 ? pos.bottom + 3 : pos.top - 3; + } + for (;;) { + var target = coordsChar(cm, x, y); + if (!target.outside) break; + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } + y += dir * 5; + } + return target; + } + + // EDITOR METHODS + + // The publicly visible API. Note that methodOp(f) means + // 'wrap f in an operation, performed on its `this` parameter'. + + // This is not the complete set of editor methods. Most of the + // methods defined on the Doc type are also injected into + // CodeMirror.prototype, for backwards compatibility and + // convenience. + + CodeMirror.prototype = { + constructor: CodeMirror, + focus: function(){window.focus(); this.display.input.focus();}, + + setOption: function(option, value) { + var options = this.options, old = options[option]; + if (options[option] == value && option != "mode") return; + options[option] = value; + if (optionHandlers.hasOwnProperty(option)) + operation(this, optionHandlers[option])(this, value, old); + }, + + getOption: function(option) {return this.options[option];}, + getDoc: function() {return this.doc;}, + + addKeyMap: function(map, bottom) { + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); + }, + removeKeyMap: function(map) { + var maps = this.state.keyMaps; + for (var i = 0; i < maps.length; ++i) + if (maps[i] == map || maps[i].name == map) { + maps.splice(i, 1); + return true; + } + }, + + addOverlay: methodOp(function(spec, options) { + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); + if (mode.startState) throw new Error("Overlays may not be stateful."); + this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); + this.state.modeGen++; + regChange(this); + }), + removeOverlay: methodOp(function(spec) { + var overlays = this.state.overlays; + for (var i = 0; i < overlays.length; ++i) { + var cur = overlays[i].modeSpec; + if (cur == spec || typeof spec == "string" && cur.name == spec) { + overlays.splice(i, 1); + this.state.modeGen++; + regChange(this); + return; + } + } + }), + + indentLine: methodOp(function(n, dir, aggressive) { + if (typeof dir != "string" && typeof dir != "number") { + if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; + else dir = dir ? "add" : "subtract"; + } + if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); + }), + indentSelection: methodOp(function(how) { + var ranges = this.doc.sel.ranges, end = -1; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (!range.empty()) { + var from = range.from(), to = range.to(); + var start = Math.max(end, from.line); + end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; + for (var j = start; j < end; ++j) + indentLine(this, j, how); + var newRanges = this.doc.sel.ranges; + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) + replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); + } else if (range.head.line > end) { + indentLine(this, range.head.line, how, true); + end = range.head.line; + if (i == this.doc.sel.primIndex) ensureCursorVisible(this); + } + } + }), + + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(pos, precise) { + return takeToken(this, pos, precise); + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true); + }, + + getTokenTypeAt: function(pos) { + pos = clipPos(this.doc, pos); + var styles = getLineStyles(this, getLine(this.doc, pos.line)); + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; + var type; + if (ch == 0) type = styles[2]; + else for (;;) { + var mid = (before + after) >> 1; + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; + else if (styles[mid * 2 + 1] < ch) before = mid + 1; + else { type = styles[mid * 2 + 2]; break; } + } + var cut = type ? type.indexOf("cm-overlay ") : -1; + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1); + }, + + getModeAt: function(pos) { + var mode = this.doc.mode; + if (!mode.innerMode) return mode; + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; + }, + + getHelper: function(pos, type) { + return this.getHelpers(pos, type)[0]; + }, + + getHelpers: function(pos, type) { + var found = []; + if (!helpers.hasOwnProperty(type)) return found; + var help = helpers[type], mode = this.getModeAt(pos); + if (typeof mode[type] == "string") { + if (help[mode[type]]) found.push(help[mode[type]]); + } else if (mode[type]) { + for (var i = 0; i < mode[type].length; i++) { + var val = help[mode[type][i]]; + if (val) found.push(val); + } + } else if (mode.helperType && help[mode.helperType]) { + found.push(help[mode.helperType]); + } else if (help[mode.name]) { + found.push(help[mode.name]); + } + for (var i = 0; i < help._global.length; i++) { + var cur = help._global[i]; + if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) + found.push(cur.val); + } + return found; + }, + + getStateAfter: function(line, precise) { + var doc = this.doc; + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); + return getStateBefore(this, line + 1, precise); + }, + + cursorCoords: function(start, mode) { + var pos, range = this.doc.sel.primary(); + if (start == null) pos = range.head; + else if (typeof start == "object") pos = clipPos(this.doc, start); + else pos = start ? range.from() : range.to(); + return cursorCoords(this, pos, mode || "page"); + }, + + charCoords: function(pos, mode) { + return charCoords(this, clipPos(this.doc, pos), mode || "page"); + }, + + coordsChar: function(coords, mode) { + coords = fromCoordSystem(this, coords, mode || "page"); + return coordsChar(this, coords.left, coords.top); + }, + + lineAtHeight: function(height, mode) { + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; + return lineAtHeight(this.doc, height + this.display.viewOffset); + }, + heightAtLine: function(line, mode) { + var end = false, lineObj; + if (typeof line == "number") { + var last = this.doc.first + this.doc.size - 1; + if (line < this.doc.first) line = this.doc.first; + else if (line > last) { line = last; end = true; } + lineObj = getLine(this.doc, line); + } else { + lineObj = line; + } + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + + (end ? this.doc.height - heightAtLine(lineObj) : 0); + }, + + defaultTextHeight: function() { return textHeight(this.display); }, + defaultCharWidth: function() { return charWidth(this.display); }, + + setGutterMarker: methodOp(function(line, gutterID, value) { + return changeLine(this.doc, line, "gutter", function(line) { + var markers = line.gutterMarkers || (line.gutterMarkers = {}); + markers[gutterID] = value; + if (!value && isEmpty(markers)) line.gutterMarkers = null; + return true; + }); + }), + + clearGutter: methodOp(function(gutterID) { + var cm = this, doc = cm.doc, i = doc.first; + doc.iter(function(line) { + if (line.gutterMarkers && line.gutterMarkers[gutterID]) { + line.gutterMarkers[gutterID] = null; + regLineChange(cm, i, "gutter"); + if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null; + } + ++i; + }); + }), + + lineInfo: function(line) { + if (typeof line == "number") { + if (!isLine(this.doc, line)) return null; + var n = line; + line = getLine(this.doc, line); + if (!line) return null; + } else { + var n = lineNo(line); + if (n == null) return null; + } + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, + widgets: line.widgets}; + }, + + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};}, + + addWidget: function(pos, node, scroll, vert, horiz) { + var display = this.display; + pos = cursorCoords(this, clipPos(this.doc, pos)); + var top = pos.bottom, left = pos.left; + node.style.position = "absolute"; + node.setAttribute("cm-ignore-events", "true"); + this.display.input.setUneditable(node); + display.sizer.appendChild(node); + if (vert == "over") { + top = pos.top; + } else if (vert == "above" || vert == "near") { + var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + // Default to positioning above (if specified and possible); otherwise default to positioning below + if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) + top = pos.top - node.offsetHeight; + else if (pos.bottom + node.offsetHeight <= vspace) + top = pos.bottom; + if (left + node.offsetWidth > hspace) + left = hspace - node.offsetWidth; + } + node.style.top = top + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = display.sizer.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") left = 0; + else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; + node.style.left = left + "px"; + } + if (scroll) + scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); + }, + + triggerOnKeyDown: methodOp(onKeyDown), + triggerOnKeyPress: methodOp(onKeyPress), + triggerOnKeyUp: onKeyUp, + + execCommand: function(cmd) { + if (commands.hasOwnProperty(cmd)) + return commands[cmd].call(null, this); + }, + + triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + + findPosH: function(from, amount, unit, visually) { + var dir = 1; + if (amount < 0) { dir = -1; amount = -amount; } + for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { + cur = findPosH(this.doc, cur, dir, unit, visually); + if (cur.hitSide) break; + } + return cur; + }, + + moveH: methodOp(function(dir, unit) { + var cm = this; + cm.extendSelectionsBy(function(range) { + if (cm.display.shift || cm.doc.extend || range.empty()) + return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); + else + return dir < 0 ? range.from() : range.to(); + }, sel_move); + }), + + deleteH: methodOp(function(dir, unit) { + var sel = this.doc.sel, doc = this.doc; + if (sel.somethingSelected()) + doc.replaceSelection("", null, "+delete"); + else + deleteNearSelection(this, function(range) { + var other = findPosH(doc, range.head, dir, unit, false); + return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}; + }); + }), + + findPosV: function(from, amount, unit, goalColumn) { + var dir = 1, x = goalColumn; + if (amount < 0) { dir = -1; amount = -amount; } + for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { + var coords = cursorCoords(this, cur, "div"); + if (x == null) x = coords.left; + else coords.left = x; + cur = findPosV(this, coords, dir, unit); + if (cur.hitSide) break; + } + return cur; + }, + + moveV: methodOp(function(dir, unit) { + var cm = this, doc = this.doc, goals = []; + var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); + doc.extendSelectionsBy(function(range) { + if (collapse) + return dir < 0 ? range.from() : range.to(); + var headPos = cursorCoords(cm, range.head, "div"); + if (range.goalColumn != null) headPos.left = range.goalColumn; + goals.push(headPos.left); + var pos = findPosV(cm, headPos, dir, unit); + if (unit == "page" && range == doc.sel.primary()) + addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top); + return pos; + }, sel_move); + if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++) + doc.sel.ranges[i].goalColumn = goals[i]; + }), + + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + var helper = this.getHelper(pos, "wordChars"); + if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; + var startChar = line.charAt(start); + var check = isWordChar(startChar, helper) + ? function(ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} + : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; + while (start > 0 && check(line.charAt(start - 1))) --start; + while (end < line.length && check(line.charAt(end))) ++end; + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)); + }, + + toggleOverwrite: function(value) { + if (value != null && value == this.state.overwrite) return; + if (this.state.overwrite = !this.state.overwrite) + addClass(this.display.cursorDiv, "CodeMirror-overwrite"); + else + rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); + + signal(this, "overwriteToggle", this, this.state.overwrite); + }, + hasFocus: function() { return this.display.input.getField() == activeElt(); }, + + scrollTo: methodOp(function(x, y) { + if (x != null || y != null) resolveScrollToPos(this); + if (x != null) this.curOp.scrollLeft = x; + if (y != null) this.curOp.scrollTop = y; + }), + getScrollInfo: function() { + var scroller = this.display.scroller; + return {left: scroller.scrollLeft, top: scroller.scrollTop, + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; + }, + + scrollIntoView: methodOp(function(range, margin) { + if (range == null) { + range = {from: this.doc.sel.primary().head, to: null}; + if (margin == null) margin = this.options.cursorScrollMargin; + } else if (typeof range == "number") { + range = {from: Pos(range, 0), to: null}; + } else if (range.from == null) { + range = {from: range, to: null}; + } + if (!range.to) range.to = range.from; + range.margin = margin || 0; + + if (range.from.line != null) { + resolveScrollToPos(this); + this.curOp.scrollToPos = range; + } else { + var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), + Math.min(range.from.top, range.to.top) - range.margin, + Math.max(range.from.right, range.to.right), + Math.max(range.from.bottom, range.to.bottom) + range.margin); + this.scrollTo(sPos.scrollLeft, sPos.scrollTop); + } + }), + + setSize: methodOp(function(width, height) { + var cm = this; + function interpret(val) { + return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; + } + if (width != null) cm.display.wrapper.style.width = interpret(width); + if (height != null) cm.display.wrapper.style.height = interpret(height); + if (cm.options.lineWrapping) clearLineMeasurementCache(this); + var lineNo = cm.display.viewFrom; + cm.doc.iter(lineNo, cm.display.viewTo, function(line) { + if (line.widgets) for (var i = 0; i < line.widgets.length; i++) + if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; } + ++lineNo; + }); + cm.curOp.forceUpdate = true; + signal(cm, "refresh", this); + }), + + operation: function(f){return runInOp(this, f);}, + + refresh: methodOp(function() { + var oldHeight = this.display.cachedTextHeight; + regChange(this); + this.curOp.forceUpdate = true; + clearCaches(this); + this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); + updateGutterSpace(this); + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) + estimateLineHeights(this); + signal(this, "refresh", this); + }), + + swapDoc: methodOp(function(doc) { + var old = this.doc; + old.cm = null; + attachDoc(this, doc); + clearCaches(this); + this.display.input.reset(); + this.scrollTo(doc.scrollLeft, doc.scrollTop); + this.curOp.forceScroll = true; + signalLater(this, "swapDoc", this, old); + return old; + }), + + getInputField: function(){return this.display.input.getField();}, + getWrapperElement: function(){return this.display.wrapper;}, + getScrollerElement: function(){return this.display.scroller;}, + getGutterElement: function(){return this.display.gutters;} + }; + eventMixin(CodeMirror); + + // OPTION DEFAULTS + + // The default configuration options. + var defaults = CodeMirror.defaults = {}; + // Functions to run when options are changed. + var optionHandlers = CodeMirror.optionHandlers = {}; + + function option(name, deflt, handle, notOnInit) { + CodeMirror.defaults[name] = deflt; + if (handle) optionHandlers[name] = + notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; + } + + // Passed to option handlers when there is no old value. + var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; + + // These two are, on init, called from the constructor because they + // have to be initialized before the editor can start at all. + option("value", "", function(cm, val) { + cm.setValue(val); + }, true); + option("mode", null, function(cm, val) { + cm.doc.modeOption = val; + loadMode(cm); + }, true); + + option("indentUnit", 2, loadMode, true); + option("indentWithTabs", false); + option("smartIndent", true); + option("tabSize", 4, function(cm) { + resetModeState(cm); + clearCaches(cm); + regChange(cm); + }, true); + option("lineSeparator", null, function(cm, val) { + cm.doc.lineSep = val; + if (!val) return; + var newBreaks = [], lineNo = cm.doc.first; + cm.doc.iter(function(line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos); + if (found == -1) break; + pos = found + val.length; + newBreaks.push(Pos(lineNo, found)); + } + lineNo++; + }); + for (var i = newBreaks.length - 1; i >= 0; i--) + replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) + }); + option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); + if (old != CodeMirror.Init) cm.refresh(); + }); + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); + option("electricChars", true); + option("inputStyle", mobile ? "contenteditable" : "textarea", function() { + throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME + }, true); + option("rtlMoveVisually", !windows); + option("wholeLineUpdateBefore", true); + + option("theme", "default", function(cm) { + themeChanged(cm); + guttersChanged(cm); + }, true); + option("keyMap", "default", function(cm, val, old) { + var next = getKeyMap(val); + var prev = old != CodeMirror.Init && getKeyMap(old); + if (prev && prev.detach) prev.detach(cm, next); + if (next.attach) next.attach(cm, prev || null); + }); + option("extraKeys", null); + + option("lineWrapping", false, wrappingChanged, true); + option("gutters", [], function(cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("fixedGutter", true, function(cm, val) { + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; + cm.refresh(); + }, true); + option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); + option("scrollbarStyle", "native", function(cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, true); + option("lineNumbers", false, function(cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("firstLineNumber", 1, guttersChanged, true); + option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); + option("showCursorWhenSelecting", false, updateSelection, true); + + option("resetSelectionOnContextMenu", true); + option("lineWiseCopyCut", true); + + option("readOnly", false, function(cm, val) { + if (val == "nocursor") { + onBlur(cm); + cm.display.input.blur(); + cm.display.disabled = true; + } else { + cm.display.disabled = false; + } + cm.display.input.readOnlyChanged(val) + }); + option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); + option("dragDrop", true, dragDropChanged); + + option("cursorBlinkRate", 530); + option("cursorScrollMargin", 0); + option("cursorHeight", 1, updateSelection, true); + option("singleCursorHeightPerLine", true, updateSelection, true); + option("workTime", 100); + option("workDelay", 100); + option("flattenSpans", true, resetModeState, true); + option("addModeClass", false, resetModeState, true); + option("pollInterval", 100); + option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;}); + option("historyEventDelay", 1250); + option("viewportMargin", 10, function(cm){cm.refresh();}, true); + option("maxHighlightLength", 10000, resetModeState, true); + option("moveInputWithCursor", true, function(cm, val) { + if (!val) cm.display.input.resetPosition(); + }); + + option("tabindex", null, function(cm, val) { + cm.display.input.getField().tabIndex = val || ""; + }); + option("autofocus", null); + + // MODE DEFINITION AND QUERYING + + // Known modes, by name and by MIME + var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + CodeMirror.defineMode = function(name, mode) { + if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; + if (arguments.length > 2) + mode.dependencies = Array.prototype.slice.call(arguments, 2); + modes[name] = mode; + }; + + CodeMirror.defineMIME = function(mime, spec) { + mimeModes[mime] = spec; + }; + + // Given a MIME type, a {name, ...options} config object, or a name + // string, return a mode config object. + CodeMirror.resolveMode = function(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { + spec = mimeModes[spec]; + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + var found = mimeModes[spec.name]; + if (typeof found == "string") found = {name: found}; + spec = createObj(found, spec); + spec.name = found.name; + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + return CodeMirror.resolveMode("application/xml"); + } + if (typeof spec == "string") return {name: spec}; + else return spec || {name: "null"}; + }; + + // Given a mode spec (anything that resolveMode accepts), find and + // initialize an actual mode object. + CodeMirror.getMode = function(options, spec) { + var spec = CodeMirror.resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) return CodeMirror.getMode(options, "text/plain"); + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) { + if (!exts.hasOwnProperty(prop)) continue; + if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; + modeObj[prop] = exts[prop]; + } + } + modeObj.name = spec.name; + if (spec.helperType) modeObj.helperType = spec.helperType; + if (spec.modeProps) for (var prop in spec.modeProps) + modeObj[prop] = spec.modeProps[prop]; + + return modeObj; + }; + + // Minimal default mode. + CodeMirror.defineMode("null", function() { + return {token: function(stream) {stream.skipToEnd();}}; + }); + CodeMirror.defineMIME("text/plain", "null"); + + // This can be used to attach properties to mode objects from + // outside the actual mode definition. + var modeExtensions = CodeMirror.modeExtensions = {}; + CodeMirror.extendMode = function(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + copyObj(properties, exts); + }; + + // EXTENSIONS + + CodeMirror.defineExtension = function(name, func) { + CodeMirror.prototype[name] = func; + }; + CodeMirror.defineDocExtension = function(name, func) { + Doc.prototype[name] = func; + }; + CodeMirror.defineOption = option; + + var initHooks = []; + CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; + + var helpers = CodeMirror.helpers = {}; + CodeMirror.registerHelper = function(type, name, value) { + if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []}; + helpers[type][name] = value; + }; + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerHelper(type, name, value); + helpers[type]._global.push({pred: predicate, val: value}); + }; + + // MODE STATE HANDLING + + // Utility functions for working with state. Exported because nested + // modes need to do this for their inner modes. + + var copyState = CodeMirror.copyState = function(mode, state) { + if (state === true) return state; + if (mode.copyState) return mode.copyState(state); + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) val = val.concat([]); + nstate[n] = val; + } + return nstate; + }; + + var startState = CodeMirror.startState = function(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true; + }; + + // Given a mode and a state (for that mode), find the inner mode and + // state at the position that the state refers to. + CodeMirror.innerMode = function(mode, state) { + while (mode.innerMode) { + var info = mode.innerMode(state); + if (!info || info.mode == mode) break; + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state}; + }; + + // STANDARD COMMANDS + + // Commands are parameter-less actions that can be performed on an + // editor, mostly used for keybindings. + var commands = CodeMirror.commands = { + selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);}, + singleSelection: function(cm) { + cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); + }, + killLine: function(cm) { + deleteNearSelection(cm, function(range) { + if (range.empty()) { + var len = getLine(cm.doc, range.head.line).text.length; + if (range.head.ch == len && range.head.line < cm.lastLine()) + return {from: range.head, to: Pos(range.head.line + 1, 0)}; + else + return {from: range.head, to: Pos(range.head.line, len)}; + } else { + return {from: range.from(), to: range.to()}; + } + }); + }, + deleteLine: function(cm) { + deleteNearSelection(cm, function(range) { + return {from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}; + }); + }, + delLineLeft: function(cm) { + deleteNearSelection(cm, function(range) { + return {from: Pos(range.from().line, 0), to: range.from()}; + }); + }, + delWrappedLineLeft: function(cm) { + deleteNearSelection(cm, function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + var leftPos = cm.coordsChar({left: 0, top: top}, "div"); + return {from: leftPos, to: range.from()}; + }); + }, + delWrappedLineRight: function(cm) { + deleteNearSelection(cm, function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + return {from: range.from(), to: rightPos }; + }); + }, + undo: function(cm) {cm.undo();}, + redo: function(cm) {cm.redo();}, + undoSelection: function(cm) {cm.undoSelection();}, + redoSelection: function(cm) {cm.redoSelection();}, + goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, + goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, + goLineStart: function(cm) { + cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, + {origin: "+move", bias: 1}); + }, + goLineStartSmart: function(cm) { + cm.extendSelectionsBy(function(range) { + return lineStartSmart(cm, range.head); + }, {origin: "+move", bias: 1}); + }, + goLineEnd: function(cm) { + cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, + {origin: "+move", bias: -1}); + }, + goLineRight: function(cm) { + cm.extendSelectionsBy(function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + }, sel_move); + }, + goLineLeft: function(cm) { + cm.extendSelectionsBy(function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + return cm.coordsChar({left: 0, top: top}, "div"); + }, sel_move); + }, + goLineLeftSmart: function(cm) { + cm.extendSelectionsBy(function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + var pos = cm.coordsChar({left: 0, top: top}, "div"); + if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); + return pos; + }, sel_move); + }, + goLineUp: function(cm) {cm.moveV(-1, "line");}, + goLineDown: function(cm) {cm.moveV(1, "line");}, + goPageUp: function(cm) {cm.moveV(-1, "page");}, + goPageDown: function(cm) {cm.moveV(1, "page");}, + goCharLeft: function(cm) {cm.moveH(-1, "char");}, + goCharRight: function(cm) {cm.moveH(1, "char");}, + goColumnLeft: function(cm) {cm.moveH(-1, "column");}, + goColumnRight: function(cm) {cm.moveH(1, "column");}, + goWordLeft: function(cm) {cm.moveH(-1, "word");}, + goGroupRight: function(cm) {cm.moveH(1, "group");}, + goGroupLeft: function(cm) {cm.moveH(-1, "group");}, + goWordRight: function(cm) {cm.moveH(1, "word");}, + delCharBefore: function(cm) {cm.deleteH(-1, "char");}, + delCharAfter: function(cm) {cm.deleteH(1, "char");}, + delWordBefore: function(cm) {cm.deleteH(-1, "word");}, + delWordAfter: function(cm) {cm.deleteH(1, "word");}, + delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, + delGroupAfter: function(cm) {cm.deleteH(1, "group");}, + indentAuto: function(cm) {cm.indentSelection("smart");}, + indentMore: function(cm) {cm.indentSelection("add");}, + indentLess: function(cm) {cm.indentSelection("subtract");}, + insertTab: function(cm) {cm.replaceSelection("\t");}, + insertSoftTab: function(cm) { + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].from(); + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); + spaces.push(new Array(tabSize - col % tabSize + 1).join(" ")); + } + cm.replaceSelections(spaces); + }, + defaultTab: function(cm) { + if (cm.somethingSelected()) cm.indentSelection("add"); + else cm.execCommand("insertTab"); + }, + transposeChars: function(cm) { + runInOp(cm, function() { + var ranges = cm.listSelections(), newSel = []; + for (var i = 0; i < ranges.length; i++) { + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; + if (line) { + if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1); + if (cur.ch > 0) { + cur = new Pos(cur.line, cur.ch + 1); + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), cur, "+transpose"); + } else if (cur.line > cm.doc.first) { + var prev = getLine(cm.doc, cur.line - 1).text; + if (prev) + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); + } + } + newSel.push(new Range(cur, cur)); + } + cm.setSelections(newSel); + }); + }, + newlineAndIndent: function(cm) { + runInOp(cm, function() { + var len = cm.listSelections().length; + for (var i = 0; i < len; i++) { + var range = cm.listSelections()[i]; + cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); + cm.indentLine(range.from().line + 1, null, true); + ensureCursorVisible(cm); + } + }); + }, + toggleOverwrite: function(cm) {cm.toggleOverwrite();} + }; + + + // STANDARD KEYMAPS + + var keyMap = CodeMirror.keyMap = {}; + + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", + "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", + "Esc": "singleSelection" + }; + // Note that the save and find-related commands aren't defined by + // default. User code or addons can define them. Unknown commands + // are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", + fallthrough: "basic" + }; + // Very basic readline/emacs-style bindings, which are standard on Mac. + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", + "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", + fallthrough: ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + + // KEYMAP DISPATCH + + function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; + var alt, ctrl, shift, cmd; + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i]; + if (/^(cmd|meta|m)$/i.test(mod)) cmd = true; + else if (/^a(lt)?$/i.test(mod)) alt = true; + else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true; + else if (/^s(hift)$/i.test(mod)) shift = true; + else throw new Error("Unrecognized modifier name: " + mod); + } + if (alt) name = "Alt-" + name; + if (ctrl) name = "Ctrl-" + name; + if (cmd) name = "Cmd-" + name; + if (shift) name = "Shift-" + name; + return name; + } + + // This is a kludge to keep keymaps mostly working as raw objects + // (backwards compatibility) while at the same time support features + // like normalization and multi-stroke key bindings. It compiles a + // new normalized keymap, and then updates the old object to reflect + // this. + CodeMirror.normalizeKeyMap = function(keymap) { + var copy = {}; + for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; + if (value == "...") { delete keymap[keyname]; continue; } + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val, name; + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) copy[name] = val; + else if (prev != val) throw new Error("Inconsistent bindings for " + name); + } + delete keymap[keyname]; + } + for (var prop in copy) keymap[prop] = copy[prop]; + return keymap; + }; + + var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { + map = getKeyMap(map); + var found = map.call ? map.call(key, context) : map[key]; + if (found === false) return "nothing"; + if (found === "...") return "multi"; + if (found != null && handle(found)) return "handled"; + + if (map.fallthrough) { + if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") + return lookupKey(key, map.fallthrough, handle, context); + for (var i = 0; i < map.fallthrough.length; i++) { + var result = lookupKey(key, map.fallthrough[i], handle, context); + if (result) return result; + } + } + }; + + // Modifier key presses don't count as 'real' key presses for the + // purpose of keymap fallthrough. + var isModifierKey = CodeMirror.isModifierKey = function(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; + }; + + // Look up the name of a key as indicated by an event object. + var keyName = CodeMirror.keyName = function(event, noShift) { + if (presto && event.keyCode == 34 && event["char"]) return false; + var base = keyNames[event.keyCode], name = base; + if (name == null || event.altGraphKey) return false; + if (event.altKey && base != "Alt") name = "Alt-" + name; + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; + if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; + return name; + }; + + function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val; + } + + // FROMTEXTAREA + + CodeMirror.fromTextArea = function(textarea, options) { + options = options ? copyObj(options) : {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabIndex) + options.tabindex = textarea.tabIndex; + if (!options.placeholder && textarea.placeholder) + options.placeholder = textarea.placeholder; + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = activeElt(); + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } + + function save() {textarea.value = cm.getValue();} + if (textarea.form) { + on(textarea.form, "submit", save); + // Deplorable hack to make the submit method do the right thing. + if (!options.leaveSubmitMethodAlone) { + var form = textarea.form, realSubmit = form.submit; + try { + var wrappedSubmit = form.submit = function() { + save(); + form.submit = realSubmit; + form.submit(); + form.submit = wrappedSubmit; + }; + } catch(e) {} + } + } + + options.finishInit = function(cm) { + cm.save = save; + cm.getTextArea = function() { return textarea; }; + cm.toTextArea = function() { + cm.toTextArea = isNaN; // Prevent this from being ran twice + save(); + textarea.parentNode.removeChild(cm.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + off(textarea.form, "submit", save); + if (typeof textarea.form.submit == "function") + textarea.form.submit = realSubmit; + } + }; + }; + + textarea.style.display = "none"; + var cm = CodeMirror(function(node) { + textarea.parentNode.insertBefore(node, textarea.nextSibling); + }, options); + return cm; + }; + + // STRING STREAM + + // Fed to the mode parsers, provides helper functions to make + // parsers more succinct. + + var StringStream = CodeMirror.StringStream = function(string, tabSize) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + this.lastColumnPos = this.lastColumnValue = 0; + this.lineStart = 0; + }; + + StringStream.prototype = { + eol: function() {return this.pos >= this.string.length;}, + sol: function() {return this.pos == this.lineStart;}, + peek: function() {return this.string.charAt(this.pos) || undefined;}, + next: function() { + if (this.pos < this.string.length) + return this.string.charAt(this.pos++); + }, + eat: function(match) { + var ch = this.string.charAt(this.pos); + if (typeof match == "string") var ok = ch == match; + else var ok = ch && (match.test ? match.test(ch) : match(ch)); + if (ok) {++this.pos; return ch;} + }, + eatWhile: function(match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start; + }, + eatSpace: function() { + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; + return this.pos > start; + }, + skipToEnd: function() {this.pos = this.string.length;}, + skipTo: function(ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true;} + }, + backUp: function(n) {this.pos -= n;}, + column: function() { + if (this.lastColumnPos < this.start) { + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); + this.lastColumnPos = this.start; + } + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); + }, + indentation: function() { + return countColumn(this.string, null, this.tabSize) - + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); + }, + match: function(pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; + var substr = this.string.substr(this.pos, pattern.length); + if (cased(substr) == cased(pattern)) { + if (consume !== false) this.pos += pattern.length; + return true; + } + } else { + var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) return null; + if (match && consume !== false) this.pos += match[0].length; + return match; + } + }, + current: function(){return this.string.slice(this.start, this.pos);}, + hideFirstChars: function(n, inner) { + this.lineStart += n; + try { return inner(); } + finally { this.lineStart -= n; } + } + }; + + // TEXTMARKERS + + // Created with markText and setBookmark methods. A TextMarker is a + // handle that can be used to clear or find a marked position in the + // document. Line objects hold arrays (markedSpans) containing + // {from, to, marker} object pointing to such marker objects, and + // indicating that such a marker is present on that line. Multiple + // lines may point to the same marker when it spans across lines. + // The spans will have null for their from/to properties when the + // marker continues beyond the start/end of the line. Markers have + // links back to the lines they currently touch. + + var nextMarkerId = 0; + + var TextMarker = CodeMirror.TextMarker = function(doc, type) { + this.lines = []; + this.type = type; + this.doc = doc; + this.id = ++nextMarkerId; + }; + eventMixin(TextMarker); + + // Clear the marker. + TextMarker.prototype.clear = function() { + if (this.explicitlyCleared) return; + var cm = this.doc.cm, withOp = cm && !cm.curOp; + if (withOp) startOperation(cm); + if (hasHandler(this, "clear")) { + var found = this.find(); + if (found) signalLater(this, "clear", found.from, found.to); + } + var min = null, max = null; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text"); + else if (cm) { + if (span.to != null) max = lineNo(line); + if (span.from != null) min = lineNo(line); + } + line.markedSpans = removeMarkedSpan(line.markedSpans, span); + if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) + updateLineHeight(line, textHeight(cm.display)); + } + if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { + var visual = visualLine(this.lines[i]), len = lineLength(visual); + if (len > cm.display.maxLineLength) { + cm.display.maxLine = visual; + cm.display.maxLineLength = len; + cm.display.maxLineChanged = true; + } + } + + if (min != null && cm && this.collapsed) regChange(cm, min, max + 1); + this.lines.length = 0; + this.explicitlyCleared = true; + if (this.atomic && this.doc.cantEdit) { + this.doc.cantEdit = false; + if (cm) reCheckSelection(cm.doc); + } + if (cm) signalLater(cm, "markerCleared", cm, this); + if (withOp) endOperation(cm); + if (this.parent) this.parent.clear(); + }; + + // Find the position of the marker in the document. Returns a {from, + // to} object by default. Side can be passed to get a specific side + // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the + // Pos objects returned contain a line object, rather than a line + // number (used to prevent looking up the same line twice). + TextMarker.prototype.find = function(side, lineObj) { + if (side == null && this.type == "bookmark") side = 1; + var from, to; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (span.from != null) { + from = Pos(lineObj ? line : lineNo(line), span.from); + if (side == -1) return from; + } + if (span.to != null) { + to = Pos(lineObj ? line : lineNo(line), span.to); + if (side == 1) return to; + } + } + return from && {from: from, to: to}; + }; + + // Signals that the marker's widget changed, and surrounding layout + // should be recomputed. + TextMarker.prototype.changed = function() { + var pos = this.find(-1, true), widget = this, cm = this.doc.cm; + if (!pos || !cm) return; + runInOp(cm, function() { + var line = pos.line, lineN = lineNo(pos.line); + var view = findViewForLine(cm, lineN); + if (view) { + clearLineMeasurementCacheFor(view); + cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; + } + cm.curOp.updateMaxLine = true; + if (!lineIsHidden(widget.doc, line) && widget.height != null) { + var oldHeight = widget.height; + widget.height = null; + var dHeight = widgetHeight(widget) - oldHeight; + if (dHeight) + updateLineHeight(line, line.height + dHeight); + } + }); + }; + + TextMarker.prototype.attachLine = function(line) { + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp; + if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) + (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); + } + this.lines.push(line); + }; + TextMarker.prototype.detachLine = function(line) { + this.lines.splice(indexOf(this.lines, line), 1); + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp; + (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); + } + }; + + // Collapsed markers have unique ids, in order to be able to order + // them, which is needed for uniquely determining an outer marker + // when they overlap (they may nest, but not partially overlap). + var nextMarkerId = 0; + + // Create a marker, wire it up to the right lines, and + function markText(doc, from, to, options, type) { + // Shared markers (across linked documents) are handled separately + // (markTextShared will call out to this again, once per + // document). + if (options && options.shared) return markTextShared(doc, from, to, options, type); + // Ensure we are in an operation. + if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); + + var marker = new TextMarker(doc, type), diff = cmp(from, to); + if (options) copyObj(options, marker, false); + // Don't connect empty markers unless clearWhenEmpty is false + if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) + return marker; + if (marker.replacedWith) { + // Showing up as a widget implies collapsed (widget replaces text) + marker.collapsed = true; + marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); + if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); + if (options.insertLeft) marker.widgetNode.insertLeft = true; + } + if (marker.collapsed) { + if (conflictingCollapsedRange(doc, from.line, from, to, marker) || + from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) + throw new Error("Inserting collapsed marker partially overlapping an existing one"); + sawCollapsedSpans = true; + } + + if (marker.addToHistory) + addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); + + var curLine = from.line, cm = doc.cm, updateMaxLine; + doc.iter(curLine, to.line + 1, function(line) { + if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) + updateMaxLine = true; + if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); + addMarkedSpan(line, new MarkedSpan(marker, + curLine == from.line ? from.ch : null, + curLine == to.line ? to.ch : null)); + ++curLine; + }); + // lineIsHidden depends on the presence of the spans, so needs a second pass + if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { + if (lineIsHidden(doc, line)) updateLineHeight(line, 0); + }); + + if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); + + if (marker.readOnly) { + sawReadOnlySpans = true; + if (doc.history.done.length || doc.history.undone.length) + doc.clearHistory(); + } + if (marker.collapsed) { + marker.id = ++nextMarkerId; + marker.atomic = true; + } + if (cm) { + // Sync editor state + if (updateMaxLine) cm.curOp.updateMaxLine = true; + if (marker.collapsed) + regChange(cm, from.line, to.line + 1); + else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) + for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); + if (marker.atomic) reCheckSelection(cm.doc); + signalLater(cm, "markerAdded", cm, marker); + } + return marker; + } + + // SHARED TEXTMARKERS + + // A shared marker spans multiple linked documents. It is + // implemented as a meta-marker-object controlling multiple normal + // markers. + var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) { + this.markers = markers; + this.primary = primary; + for (var i = 0; i < markers.length; ++i) + markers[i].parent = this; + }; + eventMixin(SharedTextMarker); + + SharedTextMarker.prototype.clear = function() { + if (this.explicitlyCleared) return; + this.explicitlyCleared = true; + for (var i = 0; i < this.markers.length; ++i) + this.markers[i].clear(); + signalLater(this, "clear"); + }; + SharedTextMarker.prototype.find = function(side, lineObj) { + return this.primary.find(side, lineObj); + }; + + function markTextShared(doc, from, to, options, type) { + options = copyObj(options); + options.shared = false; + var markers = [markText(doc, from, to, options, type)], primary = markers[0]; + var widget = options.widgetNode; + linkedDocs(doc, function(doc) { + if (widget) options.widgetNode = widget.cloneNode(true); + markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); + for (var i = 0; i < doc.linked.length; ++i) + if (doc.linked[i].isParent) return; + primary = lst(markers); + }); + return new SharedTextMarker(markers, primary); + } + + function findSharedMarkers(doc) { + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), + function(m) { return m.parent; }); + } + + function copySharedMarkers(doc, markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], pos = marker.find(); + var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); + if (cmp(mFrom, mTo)) { + var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); + marker.markers.push(subMark); + subMark.parent = marker; + } + } + } + + function detachSharedMarkers(markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], linked = [marker.primary.doc];; + linkedDocs(marker.primary.doc, function(d) { linked.push(d); }); + for (var j = 0; j < marker.markers.length; j++) { + var subMarker = marker.markers[j]; + if (indexOf(linked, subMarker.doc) == -1) { + subMarker.parent = null; + marker.markers.splice(j--, 1); + } + } + } + } + + // TEXTMARKER SPANS + + function MarkedSpan(marker, from, to) { + this.marker = marker; + this.from = from; this.to = to; + } + + // Search an array of spans for a span matching the given marker. + function getMarkedSpanFor(spans, marker) { + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) return span; + } + } + // Remove a span from an array, returning undefined if no spans are + // left (we don't store arrays for lines without spans). + function removeMarkedSpan(spans, span) { + for (var r, i = 0; i < spans.length; ++i) + if (spans[i] != span) (r || (r = [])).push(spans[i]); + return r; + } + // Add a span to a line. + function addMarkedSpan(line, span) { + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; + span.marker.attachLine(line); + } + + // Used for the algorithm that adjusts markers for a change in the + // document. These functions cut an array of spans at a given + // character position, returning an array of remaining chunks (or + // undefined if nothing remains). + function markedSpansBefore(old, startCh, isInsert) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); + (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); + } + } + return nw; + } + function markedSpansAfter(old, endCh, isInsert) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); + (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh)); + } + } + return nw; + } + + // Given a change object, compute the new set of marker spans that + // cover the line in which the change took place. Removes spans + // entirely within the change, reconnects spans belonging to the + // same marker that appear on both sides of the change, and cuts off + // spans partially within the change. Returns an array of span + // arrays with one element for each line in (after) the change. + function stretchSpansOverChange(doc, change) { + if (change.full) return null; + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; + if (!oldFirst && !oldLast) return null; + + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh, isInsert); + var last = markedSpansAfter(oldLast, endCh, isInsert); + + // Next, merge those two ends + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) span.to = startCh; + else if (sameLine) span.to = found.to == null ? null : found.to + offset; + } + } + } + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i = 0; i < last.length; ++i) { + var span = last[i]; + if (span.to != null) span.to += offset; + if (span.from == null) { + var found = getMarkedSpanFor(first, span.marker); + if (!found) { + span.from = offset; + if (sameLine) (first || (first = [])).push(span); + } + } else { + span.from += offset; + if (sameLine) (first || (first = [])).push(span); + } + } + } + // Make sure we didn't create any zero-length spans + if (first) first = clearEmptySpans(first); + if (last && last != first) last = clearEmptySpans(last); + + var newMarkers = [first]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = change.text.length - 2, gapMarkers; + if (gap > 0 && first) + for (var i = 0; i < first.length; ++i) + if (first[i].to == null) + (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null)); + for (var i = 0; i < gap; ++i) + newMarkers.push(gapMarkers); + newMarkers.push(last); + } + return newMarkers; + } + + // Remove spans that are empty and don't have a clearWhenEmpty + // option of false. + function clearEmptySpans(spans) { + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + spans.splice(i--, 1); + } + if (!spans.length) return null; + return spans; + } + + // Used for un/re-doing changes from the history. Combines the + // result of computing the existing spans with the set of spans that + // existed in the history (so that deleting around a span and then + // undoing brings back the span). + function mergeOldSpans(doc, change) { + var old = getOldSpans(doc, change); + var stretched = stretchSpansOverChange(doc, change); + if (!old) return stretched; + if (!stretched) return old; + + for (var i = 0; i < old.length; ++i) { + var oldCur = old[i], stretchCur = stretched[i]; + if (oldCur && stretchCur) { + spans: for (var j = 0; j < stretchCur.length; ++j) { + var span = stretchCur[j]; + for (var k = 0; k < oldCur.length; ++k) + if (oldCur[k].marker == span.marker) continue spans; + oldCur.push(span); + } + } else if (stretchCur) { + old[i] = stretchCur; + } + } + return old; + } + + // Used to 'clip' out readOnly ranges when making a change. + function removeReadOnlyRanges(doc, from, to) { + var markers = null; + doc.iter(from.line, to.line + 1, function(line) { + if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker; + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + (markers || (markers = [])).push(mark); + } + }); + if (!markers) return null; + var parts = [{from: from, to: to}]; + for (var i = 0; i < markers.length; ++i) { + var mk = markers[i], m = mk.find(0); + for (var j = 0; j < parts.length; ++j) { + var p = parts[j]; + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue; + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) + newParts.push({from: p.from, to: m.from}); + if (dto > 0 || !mk.inclusiveRight && !dto) + newParts.push({from: m.to, to: p.to}); + parts.splice.apply(parts, newParts); + j += newParts.length - 1; + } + } + return parts; + } + + // Connect or disconnect spans from a line. + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) return; + for (var i = 0; i < spans.length; ++i) + spans[i].marker.detachLine(line); + line.markedSpans = null; + } + function attachMarkedSpans(line, spans) { + if (!spans) return; + for (var i = 0; i < spans.length; ++i) + spans[i].marker.attachLine(line); + line.markedSpans = spans; + } + + // Helpers used when computing which overlapping collapsed span + // counts as the larger one. + function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; } + function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; } + + // Returns a number indicating which of two overlapping collapsed + // spans is larger (and thus includes the other). Falls back to + // comparing ids when the spans cover exactly the same range. + function compareCollapsedMarkers(a, b) { + var lenDiff = a.lines.length - b.lines.length; + if (lenDiff != 0) return lenDiff; + var aPos = a.find(), bPos = b.find(); + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); + if (fromCmp) return -fromCmp; + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); + if (toCmp) return toCmp; + return b.id - a.id; + } + + // Find out whether a line ends or starts in a collapsed span. If + // so, return the marker for that span. + function collapsedSpanAtSide(line, start) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) for (var sp, i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) + found = sp.marker; + } + return found; + } + function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); } + function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); } + + // Test whether there exists a collapsed span that partially + // overlaps (covers the start or end, but not both) of a new span. + // Such overlap is not allowed. + function conflictingCollapsedRange(doc, lineNo, from, to, marker) { + var line = getLine(doc, lineNo); + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (!sp.marker.collapsed) continue; + var found = sp.marker.find(0); + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; + if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) || + fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight))) + return true; + } + } + + // A visual line is a line as drawn on the screen. Folding, for + // example, can cause multiple logical lines to appear on the same + // visual line. This finds the start of the visual line that the + // given line is part of (usually that is the line itself). + function visualLine(line) { + var merged; + while (merged = collapsedSpanAtStart(line)) + line = merged.find(-1, true).line; + return line; + } + + // Returns an array of logical lines that continue the visual line + // started by the argument, or undefined if there are no such lines. + function visualLineContinued(line) { + var merged, lines; + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line; + (lines || (lines = [])).push(line); + } + return lines; + } + + // Get the line number of the start of the visual line that the + // given line number is part of. + function visualLineNo(doc, lineN) { + var line = getLine(doc, lineN), vis = visualLine(line); + if (line == vis) return lineN; + return lineNo(vis); + } + // Get the line number of the start of the next visual line after + // the given line. + function visualLineEndNo(doc, lineN) { + if (lineN > doc.lastLine()) return lineN; + var line = getLine(doc, lineN), merged; + if (!lineIsHidden(doc, line)) return lineN; + while (merged = collapsedSpanAtEnd(line)) + line = merged.find(1, true).line; + return lineNo(line) + 1; + } + + // Compute whether a line is hidden. Lines count as hidden when they + // are part of a visual line that starts with another line, or when + // they are entirely covered by collapsed, non-widget span. + function lineIsHidden(doc, line) { + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) for (var sp, i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (!sp.marker.collapsed) continue; + if (sp.from == null) return true; + if (sp.marker.widgetNode) continue; + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) + return true; + } + } + function lineIsHiddenInner(doc, line, span) { + if (span.to == null) { + var end = span.marker.find(1, true); + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); + } + if (span.marker.inclusiveRight && span.to == line.text.length) + return true; + for (var sp, i = 0; i < line.markedSpans.length; ++i) { + sp = line.markedSpans[i]; + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp)) return true; + } + } + + // LINE WIDGETS + + // Line widgets are block elements displayed above or below a line. + + var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { + if (options) for (var opt in options) if (options.hasOwnProperty(opt)) + this[opt] = options[opt]; + this.doc = doc; + this.node = node; + }; + eventMixin(LineWidget); + + function adjustScrollWhenAboveVisible(cm, line, diff) { + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + addToScrollPos(cm, null, diff); + } + + LineWidget.prototype.clear = function() { + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + if (no == null || !ws) return; + for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); + if (!ws.length) line.widgets = null; + var height = widgetHeight(this); + updateLineHeight(line, Math.max(0, line.height - height)); + if (cm) runInOp(cm, function() { + adjustScrollWhenAboveVisible(cm, line, -height); + regLineChange(cm, no, "widget"); + }); + }; + LineWidget.prototype.changed = function() { + var oldH = this.height, cm = this.doc.cm, line = this.line; + this.height = null; + var diff = widgetHeight(this) - oldH; + if (!diff) return; + updateLineHeight(line, line.height + diff); + if (cm) runInOp(cm, function() { + cm.curOp.forceUpdate = true; + adjustScrollWhenAboveVisible(cm, line, diff); + }); + }; + + function widgetHeight(widget) { + if (widget.height != null) return widget.height; + var cm = widget.doc.cm; + if (!cm) return 0; + if (!contains(document.body, widget.node)) { + var parentStyle = "position: relative;"; + if (widget.coverGutter) + parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; + if (widget.noHScroll) + parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); + } + return widget.height = widget.node.offsetHeight; + } + + function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options); + var cm = doc.cm; + if (cm && widget.noHScroll) cm.display.alignWidgets = true; + changeLine(doc, handle, "widget", function(line) { + var widgets = line.widgets || (line.widgets = []); + if (widget.insertAt == null) widgets.push(widget); + else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); + widget.line = line; + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop; + updateLineHeight(line, line.height + widgetHeight(widget)); + if (aboveVisible) addToScrollPos(cm, null, widget.height); + cm.curOp.forceUpdate = true; + } + return true; + }); + return widget; + } + + // LINE DATA STRUCTURE + + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { + this.text = text; + attachMarkedSpans(this, markedSpans); + this.height = estimateHeight ? estimateHeight(this) : 1; + }; + eventMixin(Line); + Line.prototype.lineNo = function() { return lineNo(this); }; + + // Change the content (text, markers) of a line. Automatically + // invalidates cached information and tries to re-estimate the + // line's height. + function updateLine(line, text, markedSpans, estimateHeight) { + line.text = text; + if (line.stateAfter) line.stateAfter = null; + if (line.styles) line.styles = null; + if (line.order != null) line.order = null; + detachMarkedSpans(line); + attachMarkedSpans(line, markedSpans); + var estHeight = estimateHeight ? estimateHeight(line) : 1; + if (estHeight != line.height) updateLineHeight(line, estHeight); + } + + // Detach a line from the document tree and its markers. + function cleanUpLine(line) { + line.parent = null; + detachMarkedSpans(line); + } + + function extractLineClasses(type, output) { + if (type) for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); + if (!lineClass) break; + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); + var prop = lineClass[1] ? "bgClass" : "textClass"; + if (output[prop] == null) + output[prop] = lineClass[2]; + else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) + output[prop] += " " + lineClass[2]; + } + return type; + } + + function callBlankLine(mode, state) { + if (mode.blankLine) return mode.blankLine(state); + if (!mode.innerMode) return; + var inner = CodeMirror.innerMode(mode, state); + if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); + } + + function readToken(mode, stream, state, inner) { + for (var i = 0; i < 10; i++) { + if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; + var style = mode.token(stream, state); + if (stream.pos > stream.start) return style; + } + throw new Error("Mode " + mode.name + " failed to advance stream."); + } + + // Utility for getTokenAt and getLineTokens + function takeToken(cm, pos, precise, asArray) { + function getObj(copy) { + return {start: stream.start, end: stream.pos, + string: stream.current(), + type: style || null, + state: copy ? copyState(doc.mode, state) : state}; + } + + var doc = cm.doc, mode = doc.mode, style; + pos = clipPos(doc, pos); + var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize), tokens; + if (asArray) tokens = []; + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos; + style = readToken(mode, stream, state); + if (asArray) tokens.push(getObj(true)); + } + return asArray ? tokens : getObj(); + } + + // Run the given mode's parser over a line, calling f for each token. + function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { + var flattenSpans = mode.flattenSpans; + if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; + var curStart = 0, curStyle = null; + var stream = new StringStream(text, cm.options.tabSize), style; + var inner = cm.options.addModeClass && [null]; + if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); + while (!stream.eol()) { + if (stream.pos > cm.options.maxHighlightLength) { + flattenSpans = false; + if (forceToEnd) processLine(cm, text, state, stream.pos); + stream.pos = text.length; + style = null; + } else { + style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); + } + if (inner) { + var mName = inner[0].name; + if (mName) style = "m-" + (style ? mName + " " + style : mName); + } + if (!flattenSpans || curStyle != style) { + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 50000); + f(curStart, curStyle); + } + curStyle = style; + } + stream.start = stream.pos; + } + while (curStart < stream.pos) { + // Webkit seems to refuse to render text nodes longer than 57444 characters + var pos = Math.min(stream.pos, curStart + 50000); + f(pos, curStyle); + curStart = pos; + } + } + + // Compute a style array (an array starting with a mode generation + // -- for invalidation -- followed by pairs of end positions and + // style strings), which is used to highlight the tokens on the + // line. + function highlightLine(cm, line, state, forceToEnd) { + // A styles array always starts with a number identifying the + // mode/overlays that it is based on (for easy invalidation). + var st = [cm.state.modeGen], lineClasses = {}; + // Compute the base array of styles + runMode(cm, line.text, cm.doc.mode, state, function(end, style) { + st.push(end, style); + }, lineClasses, forceToEnd); + + // Run overlays, adjust style array. + for (var o = 0; o < cm.state.overlays.length; ++o) { + var overlay = cm.state.overlays[o], i = 1, at = 0; + runMode(cm, line.text, overlay.mode, true, function(end, style) { + var start = i; + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i]; + if (i_end > end) + st.splice(i, 1, end, st[i+1], i_end); + i += 2; + at = Math.min(end, i_end); + } + if (!style) return; + if (overlay.opaque) { + st.splice(start, i - start, end, "cm-overlay " + style); + i = start + 2; + } else { + for (; start < i; start += 2) { + var cur = st[start+1]; + st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style; + } + } + }, lineClasses); + } + + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; + } + + function getLineStyles(cm, line, updateFrontier) { + if (!line.styles || line.styles[0] != cm.state.modeGen) { + var state = getStateBefore(cm, lineNo(line)); + var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); + line.stateAfter = state; + line.styles = result.styles; + if (result.classes) line.styleClasses = result.classes; + else if (line.styleClasses) line.styleClasses = null; + if (updateFrontier === cm.doc.frontier) cm.doc.frontier++; + } + return line.styles; + } + + // Lightweight form of highlight -- proceed over this line and + // update state, but don't save a style array. Used for lines that + // aren't currently visible. + function processLine(cm, text, state, startAt) { + var mode = cm.doc.mode; + var stream = new StringStream(text, cm.options.tabSize); + stream.start = stream.pos = startAt || 0; + if (text == "") callBlankLine(mode, state); + while (!stream.eol()) { + readToken(mode, stream, state); + stream.start = stream.pos; + } + } + + // Convert a style as returned by a mode (either null, or a string + // containing one or more styles) to a CSS style. This is cached, + // and also looks for line-wide styles. + var styleToClassCache = {}, styleToClassCacheWithMode = {}; + function interpretTokenStyle(style, options) { + if (!style || /^\s*$/.test(style)) return null; + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; + return cache[style] || + (cache[style] = style.replace(/\S+/g, "cm-$&")); + } + + // Render the DOM representation of the text of a line. Also builds + // up a 'line map', which points at the DOM nodes that represent + // specific stretches of text, and is used by the measuring code. + // The returned object contains the DOM node, this map, and + // information about line-wide styles that were set by the mode. + function buildLineContent(cm, lineView) { + // The padding-right forces the element to have a 'border', which + // is needed on Webkit to be able to get line-level bounding + // rectangles for it (in measureChar). + var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); + var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; + lineView.measure = {}; + + // Iterate over the logical lines that make up this visual line. + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { + var line = i ? lineView.rest[i - 1] : lineView.line, order; + builder.pos = 0; + builder.addToken = buildToken; + // Optionally wire in some hacks into the token-rendering + // algorithm, to deal with browser quirks. + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) + builder.addToken = buildTokenBadBidi(builder.addToken, order); + builder.map = []; + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); + if (line.styleClasses) { + if (line.styleClasses.bgClass) + builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); + if (line.styleClasses.textClass) + builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); + } + + // Ensure at least a single node is present, for measuring. + if (builder.map.length == 0) + builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); + + // Store the map and a cache object for the current logical line + if (i == 0) { + lineView.measure.map = builder.map; + lineView.measure.cache = {}; + } else { + (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map); + (lineView.measure.caches || (lineView.measure.caches = [])).push({}); + } + } + + // See issue #2901 + if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className)) + builder.content.className = "cm-tab-wrap-hack"; + + signal(cm, "renderLine", cm, lineView.line, builder.pre); + if (builder.pre.className) + builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); + + return builder; + } + + function defaultSpecialCharPlaceholder(ch) { + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + ch.charCodeAt(0).toString(16); + token.setAttribute("aria-label", token.title); + return token; + } + + // Build up the DOM representation for a single token, and add it to + // the line map. Takes care to render special characters separately. + function buildToken(builder, text, style, startStyle, endStyle, title, css) { + if (!text) return; + var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text; + var special = builder.cm.state.specialChars, mustWrap = false; + if (!special.test(text)) { + builder.col += text.length; + var content = document.createTextNode(displayText); + builder.map.push(builder.pos, builder.pos + text.length, content); + if (ie && ie_version < 9) mustWrap = true; + builder.pos += text.length; + } else { + var content = document.createDocumentFragment(), pos = 0; + while (true) { + special.lastIndex = pos; + var m = special.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); + if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); + else content.appendChild(txt); + builder.map.push(builder.pos, builder.pos + skipped, txt); + builder.col += skipped; + builder.pos += skipped; + } + if (!m) break; + pos += skipped + 1; + if (m[0] == "\t") { + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; + var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + txt.setAttribute("role", "presentation"); + txt.setAttribute("cm-text", "\t"); + builder.col += tabWidth; + } else if (m[0] == "\r" || m[0] == "\n") { + var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + txt.setAttribute("cm-text", m[0]); + builder.col += 1; + } else { + var txt = builder.cm.options.specialCharPlaceholder(m[0]); + txt.setAttribute("cm-text", m[0]); + if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); + else content.appendChild(txt); + builder.col += 1; + } + builder.map.push(builder.pos, builder.pos + 1, txt); + builder.pos++; + } + } + if (style || startStyle || endStyle || mustWrap || css) { + var fullStyle = style || ""; + if (startStyle) fullStyle += startStyle; + if (endStyle) fullStyle += endStyle; + var token = elt("span", [content], fullStyle, css); + if (title) token.title = title; + return builder.content.appendChild(token); + } + builder.content.appendChild(content); + } + + function splitSpaces(old) { + var out = " "; + for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0"; + out += " "; + return out; + } + + // Work around nonsense dimensions being reported for stretches of + // right-to-left text. + function buildTokenBadBidi(inner, order) { + return function(builder, text, style, startStyle, endStyle, title, css) { + style = style ? style + " cm-force-border" : "cm-force-border"; + var start = builder.pos, end = start + text.length; + for (;;) { + // Find the part that overlaps with the start of this text + for (var i = 0; i < order.length; i++) { + var part = order[i]; + if (part.to > start && part.from <= start) break; + } + if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); + inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); + startStyle = null; + text = text.slice(part.to - start); + start = part.to; + } + }; + } + + function buildCollapsedSpan(builder, size, marker, ignoreWidget) { + var widget = !ignoreWidget && marker.widgetNode; + if (widget) builder.map.push(builder.pos, builder.pos + size, widget); + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + widget = builder.content.appendChild(document.createElement("span")); + widget.setAttribute("cm-marker", marker.id); + } + if (widget) { + builder.cm.display.input.setUneditable(widget); + builder.content.appendChild(widget); + } + builder.pos += size; + } + + // Outputs a number of spans to make up a line, taking highlighting + // and marked text into account. + function insertLineContent(line, builder, styles) { + var spans = line.markedSpans, allText = line.text, at = 0; + if (!spans) { + for (var i = 1; i < styles.length; i+=2) + builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options)); + return; + } + + var len = allText.length, pos = 0, i = 1, text = "", style, css; + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; + for (;;) { + if (nextChange == pos) { // Update current marker set + spanStyle = spanEndStyle = spanStartStyle = title = css = ""; + collapsed = null; nextChange = Infinity; + var foundBookmarks = []; + for (var j = 0; j < spans.length; ++j) { + var sp = spans[j], m = sp.marker; + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m); + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to; + spanEndStyle = ""; + } + if (m.className) spanStyle += " " + m.className; + if (m.css) css = m.css; + if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; + if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle; + if (m.title && !title) title = m.title; + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + collapsed = sp; + } else if (sp.from > pos && nextChange > sp.from) { + nextChange = sp.from; + } + } + if (collapsed && (collapsed.from || 0) == pos) { + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, collapsed.from == null); + if (collapsed.to == null) return; + if (collapsed.to == pos) collapsed = false; + } + if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j) + buildCollapsedSpan(builder, 0, foundBookmarks[j]); + } + if (pos >= len) break; + + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + if (!collapsed) { + var tokenText = end > upto ? text.slice(0, upto - pos) : text; + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); + } + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} + pos = end; + spanStartStyle = ""; + } + text = allText.slice(at, at = styles[i++]); + style = interpretTokenStyle(styles[i++], builder.cm.options); + } + } + } + + // DOCUMENT DATA STRUCTURE + + // By default, updates that start and end at the beginning of a line + // are treated specially, in order to make the association of line + // widgets and marker elements with the text behave more intuitive. + function isWholeLineUpdate(doc, change) { + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore); + } + + // Perform a change on the document data structure. + function updateDoc(doc, change, markedSpans, estimateHeight) { + function spansFor(n) {return markedSpans ? markedSpans[n] : null;} + function update(line, text, spans) { + updateLine(line, text, spans, estimateHeight); + signalLater(line, "change", line, change); + } + function linesFor(start, end) { + for (var i = start, result = []; i < end; ++i) + result.push(new Line(text[i], spansFor(i), estimateHeight)); + return result; + } + + var from = change.from, to = change.to, text = change.text; + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; + + // Adjust the line structure + if (change.full) { + doc.insert(0, linesFor(0, text.length)); + doc.remove(text.length, doc.size - text.length); + } else if (isWholeLineUpdate(doc, change)) { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = linesFor(0, text.length - 1); + update(lastLine, lastLine.text, lastSpans); + if (nlines) doc.remove(from.line, nlines); + if (added.length) doc.insert(from.line, added); + } else if (firstLine == lastLine) { + if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); + } else { + var added = linesFor(1, text.length - 1); + added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + doc.insert(from.line + 1, added); + } + } else if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); + doc.remove(from.line + 1, nlines); + } else { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); + var added = linesFor(1, text.length - 1); + if (nlines > 1) doc.remove(from.line + 1, nlines - 1); + doc.insert(from.line + 1, added); + } + + signalLater(doc, "change", doc, change); + } + + // The document is represented as a BTree consisting of leaves, with + // chunk of lines in them, and branches, with up to ten leaves or + // other branch nodes below them. The top node is always a branch + // node, and is the document object itself (meaning it has + // additional methods and properties). + // + // All nodes have parent links. The tree is used both to go from + // line numbers to line objects, and to go from objects to numbers. + // It also indexes by height, and is used to convert between height + // and line object, and to find the total height of the document. + // + // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html + + function LeafChunk(lines) { + this.lines = lines; + this.parent = null; + for (var i = 0, height = 0; i < lines.length; ++i) { + lines[i].parent = this; + height += lines[i].height; + } + this.height = height; + } + + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length; }, + // Remove the n lines at offset 'at'. + removeInner: function(at, n) { + for (var i = at, e = at + n; i < e; ++i) { + var line = this.lines[i]; + this.height -= line.height; + cleanUpLine(line); + signalLater(line, "delete"); + } + this.lines.splice(at, n); + }, + // Helper used to collapse a small branch into a single leaf. + collapse: function(lines) { + lines.push.apply(lines, this.lines); + }, + // Insert the given array of lines at offset 'at', count them as + // having the given height. + insertInner: function(at, lines, height) { + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0; i < lines.length; ++i) lines[i].parent = this; + }, + // Used to iterate over a part of the tree. + iterN: function(at, n, op) { + for (var e = at + n; at < e; ++at) + if (op(this.lines[at])) return true; + } + }; + + function BranchChunk(children) { + this.children = children; + var size = 0, height = 0; + for (var i = 0; i < children.length; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this; + } + this.size = size; + this.height = height; + this.parent = null; + } + + BranchChunk.prototype = { + chunkSize: function() { return this.size; }, + removeInner: function(at, n) { + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.removeInner(at, rm); + this.height -= oldHeight - child.height; + if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) break; + at = 0; + } else at -= sz; + } + // If the result is smaller than 25 lines, ensure that it is a + // single leaf node. + if (this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; + } + }, + collapse: function(lines) { + for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines); + }, + insertInner: function(at, lines, height) { + this.size += lines.length; + this.height += height; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertInner(at, lines, height); + if (child.lines && child.lines.length > 50) { + while (child.lines.length > 50) { + var spilled = child.lines.splice(child.lines.length - 25, 25); + var newleaf = new LeafChunk(spilled); + child.height -= newleaf.height; + this.children.splice(i + 1, 0, newleaf); + newleaf.parent = this; + } + this.maybeSpill(); + } + break; + } + at -= sz; + } + }, + // When a node has grown, check whether it should be split. + maybeSpill: function() { + if (this.children.length <= 10) return; + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10); + me.parent.maybeSpill(); + }, + iterN: function(at, n, op) { + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) return true; + if ((n -= used) == 0) break; + at = 0; + } else at -= sz; + } + } + }; + + var nextDocId = 0; + var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { + if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); + if (firstLine == null) firstLine = 0; + + BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); + this.first = firstLine; + this.scrollTop = this.scrollLeft = 0; + this.cantEdit = false; + this.cleanGeneration = 1; + this.frontier = firstLine; + var start = Pos(firstLine, 0); + this.sel = simpleSelection(start); + this.history = new History(null); + this.id = ++nextDocId; + this.modeOption = mode; + this.lineSep = lineSep; + + if (typeof text == "string") text = this.splitLines(text); + updateDoc(this, {from: start, to: start, text: text}); + setSelection(this, simpleSelection(start), sel_dontScroll); + }; + + Doc.prototype = createObj(BranchChunk.prototype, { + constructor: Doc, + // Iterate over the document. Supports two forms -- with only one + // argument, it calls that for each line in the document. With + // three, it iterates over the range given by the first two (with + // the second being non-inclusive). + iter: function(from, to, op) { + if (op) this.iterN(from - this.first, to - from, op); + else this.iterN(this.first, this.first + this.size, from); + }, + + // Non-public interface for adding and removing lines. + insert: function(at, lines) { + var height = 0; + for (var i = 0; i < lines.length; ++i) height += lines[i].height; + this.insertInner(at - this.first, lines, height); + }, + remove: function(at, n) { this.removeInner(at - this.first, n); }, + + // From here, the methods are part of the public interface. Most + // are also available from CodeMirror (editor) instances. + + getValue: function(lineSep) { + var lines = getLines(this, this.first, this.first + this.size); + if (lineSep === false) return lines; + return lines.join(lineSep || this.lineSeparator()); + }, + setValue: docMethodOp(function(code) { + var top = Pos(this.first, 0), last = this.first + this.size - 1; + makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), + text: this.splitLines(code), origin: "setValue", full: true}, true); + setSelection(this, simpleSelection(top)); + }), + replaceRange: function(code, from, to, origin) { + from = clipPos(this, from); + to = to ? clipPos(this, to) : from; + replaceRange(this, code, from, to, origin); + }, + getRange: function(from, to, lineSep) { + var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); + if (lineSep === false) return lines; + return lines.join(lineSep || this.lineSeparator()); + }, + + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, + + getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, + getLineNumber: function(line) {return lineNo(line);}, + + getLineHandleVisualStart: function(line) { + if (typeof line == "number") line = getLine(this, line); + return visualLine(line); + }, + + lineCount: function() {return this.size;}, + firstLine: function() {return this.first;}, + lastLine: function() {return this.first + this.size - 1;}, + + clipPos: function(pos) {return clipPos(this, pos);}, + + getCursor: function(start) { + var range = this.sel.primary(), pos; + if (start == null || start == "head") pos = range.head; + else if (start == "anchor") pos = range.anchor; + else if (start == "end" || start == "to" || start === false) pos = range.to(); + else pos = range.from(); + return pos; + }, + listSelections: function() { return this.sel.ranges; }, + somethingSelected: function() {return this.sel.somethingSelected();}, + + setCursor: docMethodOp(function(line, ch, options) { + setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); + }), + setSelection: docMethodOp(function(anchor, head, options) { + setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); + }), + extendSelection: docMethodOp(function(head, other, options) { + extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); + }), + extendSelections: docMethodOp(function(heads, options) { + extendSelections(this, clipPosArray(this, heads, options)); + }), + extendSelectionsBy: docMethodOp(function(f, options) { + extendSelections(this, map(this.sel.ranges, f), options); + }), + setSelections: docMethodOp(function(ranges, primary, options) { + if (!ranges.length) return; + for (var i = 0, out = []; i < ranges.length; i++) + out[i] = new Range(clipPos(this, ranges[i].anchor), + clipPos(this, ranges[i].head)); + if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex); + setSelection(this, normalizeSelection(out, primary), options); + }), + addSelection: docMethodOp(function(anchor, head, options) { + var ranges = this.sel.ranges.slice(0); + ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); + setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); + }), + + getSelection: function(lineSep) { + var ranges = this.sel.ranges, lines; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + lines = lines ? lines.concat(sel) : sel; + } + if (lineSep === false) return lines; + else return lines.join(lineSep || this.lineSeparator()); + }, + getSelections: function(lineSep) { + var parts = [], ranges = this.sel.ranges; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); + parts[i] = sel; + } + return parts; + }, + replaceSelection: function(code, collapse, origin) { + var dup = []; + for (var i = 0; i < this.sel.ranges.length; i++) + dup[i] = code; + this.replaceSelections(dup, collapse, origin || "+input"); + }, + replaceSelections: docMethodOp(function(code, collapse, origin) { + var changes = [], sel = this.sel; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; + } + var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); + for (var i = changes.length - 1; i >= 0; i--) + makeChange(this, changes[i]); + if (newSel) setSelectionReplaceHistory(this, newSel); + else if (this.cm) ensureCursorVisible(this.cm); + }), + undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), + redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), + undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), + redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), + + setExtending: function(val) {this.extend = val;}, + getExtending: function() {return this.extend;}, + + historySize: function() { + var hist = this.history, done = 0, undone = 0; + for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done; + for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone; + return {undo: done, redo: undone}; + }, + clearHistory: function() {this.history = new History(this.history.maxGeneration);}, + + markClean: function() { + this.cleanGeneration = this.changeGeneration(true); + }, + changeGeneration: function(forceSplit) { + if (forceSplit) + this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; + return this.history.generation; + }, + isClean: function (gen) { + return this.history.generation == (gen || this.cleanGeneration); + }, + + getHistory: function() { + return {done: copyHistoryArray(this.history.done), + undone: copyHistoryArray(this.history.undone)}; + }, + setHistory: function(histData) { + var hist = this.history = new History(this.history.maxGeneration); + hist.done = copyHistoryArray(histData.done.slice(0), null, true); + hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); + }, + + addLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + if (!line[prop]) line[prop] = cls; + else if (classTest(cls).test(line[prop])) return false; + else line[prop] += " " + cls; + return true; + }); + }), + removeLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + var cur = line[prop]; + if (!cur) return false; + else if (cls == null) line[prop] = null; + else { + var found = cur.match(classTest(cls)); + if (!found) return false; + var end = found.index + found[0].length; + line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; + } + return true; + }); + }), + + addLineWidget: docMethodOp(function(handle, node, options) { + return addLineWidget(this, handle, node, options); + }), + removeLineWidget: function(widget) { widget.clear(); }, + + markText: function(from, to, options) { + return markText(this, clipPos(this, from), clipPos(this, to), options, "range"); + }, + setBookmark: function(pos, options) { + var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), + insertLeft: options && options.insertLeft, + clearWhenEmpty: false, shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents}; + pos = clipPos(this, pos); + return markText(this, pos, pos, realOpts, "bookmark"); + }, + findMarksAt: function(pos) { + pos = clipPos(this, pos); + var markers = [], spans = getLine(this, pos.line).markedSpans; + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + markers.push(span.marker.parent || span.marker); + } + return markers; + }, + findMarks: function(from, to, filter) { + from = clipPos(this, from); to = clipPos(this, to); + var found = [], lineNo = from.line; + this.iter(from.line, to.line + 1, function(line) { + var spans = line.markedSpans; + if (spans) for (var i = 0; i < spans.length; i++) { + var span = spans[i]; + if (!(lineNo == from.line && from.ch > span.to || + span.from == null && lineNo != from.line|| + lineNo == to.line && span.from > to.ch) && + (!filter || filter(span.marker))) + found.push(span.marker.parent || span.marker); + } + ++lineNo; + }); + return found; + }, + getAllMarks: function() { + var markers = []; + this.iter(function(line) { + var sps = line.markedSpans; + if (sps) for (var i = 0; i < sps.length; ++i) + if (sps[i].from != null) markers.push(sps[i].marker); + }); + return markers; + }, + + posFromIndex: function(off) { + var ch, lineNo = this.first; + this.iter(function(line) { + var sz = line.text.length + 1; + if (sz > off) { ch = off; return true; } + off -= sz; + ++lineNo; + }); + return clipPos(this, Pos(lineNo, ch)); + }, + indexFromPos: function (coords) { + coords = clipPos(this, coords); + var index = coords.ch; + if (coords.line < this.first || coords.ch < 0) return 0; + this.iter(this.first, coords.line, function (line) { + index += line.text.length + 1; + }); + return index; + }, + + copy: function(copyHistory) { + var doc = new Doc(getLines(this, this.first, this.first + this.size), + this.modeOption, this.first, this.lineSep); + doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; + doc.sel = this.sel; + doc.extend = false; + if (copyHistory) { + doc.history.undoDepth = this.history.undoDepth; + doc.setHistory(this.getHistory()); + } + return doc; + }, + + linkedDoc: function(options) { + if (!options) options = {}; + var from = this.first, to = this.first + this.size; + if (options.from != null && options.from > from) from = options.from; + if (options.to != null && options.to < to) to = options.to; + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); + if (options.sharedHist) copy.history = this.history; + (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); + copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; + copySharedMarkers(copy, findSharedMarkers(this)); + return copy; + }, + unlinkDoc: function(other) { + if (other instanceof CodeMirror) other = other.doc; + if (this.linked) for (var i = 0; i < this.linked.length; ++i) { + var link = this.linked[i]; + if (link.doc != other) continue; + this.linked.splice(i, 1); + other.unlinkDoc(this); + detachSharedMarkers(findSharedMarkers(this)); + break; + } + // If the histories were shared, split them again + if (other.history == this.history) { + var splitIds = [other.id]; + linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); + other.history = new History(null); + other.history.done = copyHistoryArray(this.history.done, splitIds); + other.history.undone = copyHistoryArray(this.history.undone, splitIds); + } + }, + iterLinkedDocs: function(f) {linkedDocs(this, f);}, + + getMode: function() {return this.mode;}, + getEditor: function() {return this.cm;}, + + splitLines: function(str) { + if (this.lineSep) return str.split(this.lineSep); + return splitLinesAuto(str); + }, + lineSeparator: function() { return this.lineSep || "\n"; } + }); + + // Public alias. + Doc.prototype.eachLine = Doc.prototype.iter; + + // Set up methods on CodeMirror's prototype to redirect to the editor's document. + var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); + for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + CodeMirror.prototype[prop] = (function(method) { + return function() {return method.apply(this.doc, arguments);}; + })(Doc.prototype[prop]); + + eventMixin(Doc); + + // Call f for all linked documents. + function linkedDocs(doc, f, sharedHistOnly) { + function propagate(doc, skip, sharedHist) { + if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i]; + if (rel.doc == skip) continue; + var shared = sharedHist && rel.sharedHist; + if (sharedHistOnly && !shared) continue; + f(rel.doc, shared); + propagate(rel.doc, doc, shared); + } + } + propagate(doc, null, true); + } + + // Attach a document to an editor. + function attachDoc(cm, doc) { + if (doc.cm) throw new Error("This document is already in use."); + cm.doc = doc; + doc.cm = cm; + estimateLineHeights(cm); + loadMode(cm); + if (!cm.options.lineWrapping) findMaxLine(cm); + cm.options.mode = doc.modeOption; + regChange(cm); + } + + // LINE UTILITIES + + // Find the line object corresponding to the given line number. + function getLine(doc, n) { + n -= doc.first; + if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document."); + for (var chunk = doc; !chunk.lines;) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break; } + n -= sz; + } + } + return chunk.lines[n]; + } + + // Get the part of a document between two positions, as an array of + // strings. + function getBetween(doc, start, end) { + var out = [], n = start.line; + doc.iter(start.line, end.line + 1, function(line) { + var text = line.text; + if (n == end.line) text = text.slice(0, end.ch); + if (n == start.line) text = text.slice(start.ch); + out.push(text); + ++n; + }); + return out; + } + // Get the lines between from and to, as array of strings. + function getLines(doc, from, to) { + var out = []; + doc.iter(from, to, function(line) { out.push(line.text); }); + return out; + } + + // Update the height of a line, propagating the height change + // upwards to parent nodes. + function updateLineHeight(line, height) { + var diff = height - line.height; + if (diff) for (var n = line; n; n = n.parent) n.height += diff; + } + + // Given a line object, find its line number by walking up through + // its parent links. + function lineNo(line) { + if (line.parent == null) return null; + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0;; ++i) { + if (chunk.children[i] == cur) break; + no += chunk.children[i].chunkSize(); + } + } + return no + cur.first; + } + + // Find the line at the given vertical position, using the height + // information in the document tree. + function lineAtHeight(chunk, h) { + var n = chunk.first; + outer: do { + for (var i = 0; i < chunk.children.length; ++i) { + var child = chunk.children[i], ch = child.height; + if (h < ch) { chunk = child; continue outer; } + h -= ch; + n += child.chunkSize(); + } + return n; + } while (!chunk.lines); + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) break; + h -= lh; + } + return n + i; + } + + + // Find the height above the given line. + function heightAtLine(lineObj) { + lineObj = visualLine(lineObj); + + var h = 0, chunk = lineObj.parent; + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i]; + if (line == lineObj) break; + else h += line.height; + } + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { + for (var i = 0; i < p.children.length; ++i) { + var cur = p.children[i]; + if (cur == chunk) break; + else h += cur.height; + } + } + return h; + } + + // Get the bidi ordering for the given line (and cache it). Returns + // false for lines that are fully left-to-right, and an array of + // BidiSpan objects otherwise. + function getOrder(line) { + var order = line.order; + if (order == null) order = line.order = bidiOrdering(line.text); + return order; + } + + // HISTORY + + function History(startGen) { + // Arrays of change events and selections. Doing something adds an + // event to done and clears undo. Undoing moves events from done + // to undone, redoing moves them in the other direction. + this.done = []; this.undone = []; + this.undoDepth = Infinity; + // Used to track when changes can be merged into a single undo + // event + this.lastModTime = this.lastSelTime = 0; + this.lastOp = this.lastSelOp = null; + this.lastOrigin = this.lastSelOrigin = null; + // Used by the isClean() method + this.generation = this.maxGeneration = startGen || 1; + } + + // Create a history change event from an updateDoc-style change + // object. + function historyChangeFromChange(doc, change) { + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); + linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); + return histChange; + } + + // Pop all selection events off the end of a history array. Stop at + // a change event. + function clearSelectionEvents(array) { + while (array.length) { + var last = lst(array); + if (last.ranges) array.pop(); + else break; + } + } + + // Find the top change event in the history. Pop off selection + // events that are in the way. + function lastChangeEvent(hist, force) { + if (force) { + clearSelectionEvents(hist.done); + return lst(hist.done); + } else if (hist.done.length && !lst(hist.done).ranges) { + return lst(hist.done); + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + hist.done.pop(); + return lst(hist.done); + } + } + + // Register a change in the history. Merges changes that are within + // a single operation, ore are close together with an origin that + // allows merging (starting with "+") into a single event. + function addChangeToHistory(doc, change, selAfter, opId) { + var hist = doc.history; + hist.undone.length = 0; + var time = +new Date, cur; + + if ((hist.lastOp == opId || + hist.lastOrigin == change.origin && change.origin && + ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || + change.origin.charAt(0) == "*")) && + (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + // Merge this change into the last event + var last = lst(cur.changes); + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { + // Optimized case for simple insertion -- don't want to add + // new changesets for every character typed + last.to = changeEnd(change); + } else { + // Add new sub-event + cur.changes.push(historyChangeFromChange(doc, change)); + } + } else { + // Can not be merged, start a new event. + var before = lst(hist.done); + if (!before || !before.ranges) + pushSelectionToHistory(doc.sel, hist.done); + cur = {changes: [historyChangeFromChange(doc, change)], + generation: hist.generation}; + hist.done.push(cur); + while (hist.done.length > hist.undoDepth) { + hist.done.shift(); + if (!hist.done[0].ranges) hist.done.shift(); + } + } + hist.done.push(selAfter); + hist.generation = ++hist.maxGeneration; + hist.lastModTime = hist.lastSelTime = time; + hist.lastOp = hist.lastSelOp = opId; + hist.lastOrigin = hist.lastSelOrigin = change.origin; + + if (!last) signal(doc, "historyAdded"); + } + + function selectionEventCanBeMerged(doc, origin, prev, sel) { + var ch = origin.charAt(0); + return ch == "*" || + ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500); + } + + // Called whenever the selection changes, sets the new selection as + // the pending selection in the history, and pushes the old pending + // selection into the 'done' array when it was significantly + // different (in number of selected ranges, emptiness, or time). + function addSelectionToHistory(doc, sel, opId, options) { + var hist = doc.history, origin = options && options.origin; + + // A new event is started when the previous origin does not match + // the current, or the origins don't allow matching. Origins + // starting with * are always merged, those starting with + are + // merged when similar and close together in time. + if (opId == hist.lastSelOp || + (origin && hist.lastSelOrigin == origin && + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + hist.done[hist.done.length - 1] = sel; + else + pushSelectionToHistory(sel, hist.done); + + hist.lastSelTime = +new Date; + hist.lastSelOrigin = origin; + hist.lastSelOp = opId; + if (options && options.clearRedo !== false) + clearSelectionEvents(hist.undone); + } + + function pushSelectionToHistory(sel, dest) { + var top = lst(dest); + if (!(top && top.ranges && top.equals(sel))) + dest.push(sel); + } + + // Used to store marked span information in the history. + function attachLocalSpans(doc, change, from, to) { + var existing = change["spans_" + doc.id], n = 0; + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { + if (line.markedSpans) + (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; + ++n; + }); + } + + // When un/re-doing restores text containing marked spans, those + // that have been explicitly cleared should not be restored. + function removeClearedSpans(spans) { + if (!spans) return null; + for (var i = 0, out; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } + else if (out) out.push(spans[i]); + } + return !out ? spans : out.length ? out : null; + } + + // Retrieve and filter the old marked spans stored in a change event. + function getOldSpans(doc, change) { + var found = change["spans_" + doc.id]; + if (!found) return null; + for (var i = 0, nw = []; i < change.text.length; ++i) + nw.push(removeClearedSpans(found[i])); + return nw; + } + + // Used both to provide a JSON-safe object in .getHistory, and, when + // detaching a document, to split the history in two + function copyHistoryArray(events, newGroup, instantiateSel) { + for (var i = 0, copy = []; i < events.length; ++i) { + var event = events[i]; + if (event.ranges) { + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); + continue; + } + var changes = event.changes, newChanges = []; + copy.push({changes: newChanges}); + for (var j = 0; j < changes.length; ++j) { + var change = changes[j], m; + newChanges.push({from: change.from, to: change.to, text: change.text}); + if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop]; + delete change[prop]; + } + } + } + } + return copy; + } + + // Rebasing/resetting history to deal with externally-sourced changes + + function rebaseHistSelSingle(pos, from, to, diff) { + if (to < pos.line) { + pos.line += diff; + } else if (from < pos.line) { + pos.line = from; + pos.ch = 0; + } + } + + // Tries to rebase an array of history events given a change in the + // document. If the change touches the same lines as the event, the + // event, and everything 'behind' it, is discarded. If the change is + // before the event, the event's positions are updated. Uses a + // copy-on-write scheme for the positions, to avoid having to + // reallocate them all on every rebase, but also avoid problems with + // shared position objects being unsafely updated. + function rebaseHistArray(array, from, to, diff) { + for (var i = 0; i < array.length; ++i) { + var sub = array[i], ok = true; + if (sub.ranges) { + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } + for (var j = 0; j < sub.ranges.length; j++) { + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); + } + continue; + } + for (var j = 0; j < sub.changes.length; ++j) { + var cur = sub.changes[j]; + if (to < cur.from.line) { + cur.from = Pos(cur.from.line + diff, cur.from.ch); + cur.to = Pos(cur.to.line + diff, cur.to.ch); + } else if (from <= cur.to.line) { + ok = false; + break; + } + } + if (!ok) { + array.splice(0, i + 1); + i = 0; + } + } + } + + function rebaseHist(hist, change) { + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; + rebaseHistArray(hist.done, from, to, diff); + rebaseHistArray(hist.undone, from, to, diff); + } + + // EVENT UTILITIES + + // Due to the fact that we still support jurassic IE versions, some + // compatibility wrappers are needed. + + var e_preventDefault = CodeMirror.e_preventDefault = function(e) { + if (e.preventDefault) e.preventDefault(); + else e.returnValue = false; + }; + var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) { + if (e.stopPropagation) e.stopPropagation(); + else e.cancelBubble = true; + }; + function e_defaultPrevented(e) { + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; + } + var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);}; + + function e_target(e) {return e.target || e.srcElement;} + function e_button(e) { + var b = e.which; + if (b == null) { + if (e.button & 1) b = 1; + else if (e.button & 2) b = 3; + else if (e.button & 4) b = 2; + } + if (mac && e.ctrlKey && b == 1) b = 3; + return b; + } + + // EVENT HANDLING + + // Lightweight event framework. on/off also work on DOM nodes, + // registering native DOM handlers. + + var on = CodeMirror.on = function(emitter, type, f) { + if (emitter.addEventListener) + emitter.addEventListener(type, f, false); + else if (emitter.attachEvent) + emitter.attachEvent("on" + type, f); + else { + var map = emitter._handlers || (emitter._handlers = {}); + var arr = map[type] || (map[type] = []); + arr.push(f); + } + }; + + var off = CodeMirror.off = function(emitter, type, f) { + if (emitter.removeEventListener) + emitter.removeEventListener(type, f, false); + else if (emitter.detachEvent) + emitter.detachEvent("on" + type, f); + else { + var arr = emitter._handlers && emitter._handlers[type]; + if (!arr) return; + for (var i = 0; i < arr.length; ++i) + if (arr[i] == f) { arr.splice(i, 1); break; } + } + }; + + var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { + var arr = emitter._handlers && emitter._handlers[type]; + if (!arr) return; + var args = Array.prototype.slice.call(arguments, 2); + for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args); + }; + + var orphanDelayedCallbacks = null; + + // Often, we want to signal events at a point where we are in the + // middle of some work, but don't want the handler to start calling + // other methods on the editor, which might be in an inconsistent + // state or simply not expect any other events to happen. + // signalLater looks whether there are any handlers, and schedules + // them to be executed when the last operation ends, or, if no + // operation is active, when a timeout fires. + function signalLater(emitter, type /*, values...*/) { + var arr = emitter._handlers && emitter._handlers[type]; + if (!arr) return; + var args = Array.prototype.slice.call(arguments, 2), list; + if (operationGroup) { + list = operationGroup.delayedCallbacks; + } else if (orphanDelayedCallbacks) { + list = orphanDelayedCallbacks; + } else { + list = orphanDelayedCallbacks = []; + setTimeout(fireOrphanDelayed, 0); + } + function bnd(f) {return function(){f.apply(null, args);};}; + for (var i = 0; i < arr.length; ++i) + list.push(bnd(arr[i])); + } + + function fireOrphanDelayed() { + var delayed = orphanDelayedCallbacks; + orphanDelayedCallbacks = null; + for (var i = 0; i < delayed.length; ++i) delayed[i](); + } + + // The DOM events that CodeMirror handles can be overridden by + // registering a (non-DOM) handler on the editor for the event name, + // and preventDefault-ing the event in that handler. + function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; + signal(cm, override || e.type, cm, e); + return e_defaultPrevented(e) || e.codemirrorIgnore; + } + + function signalCursorActivity(cm) { + var arr = cm._handlers && cm._handlers.cursorActivity; + if (!arr) return; + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); + for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1) + set.push(arr[i]); + } + + function hasHandler(emitter, type) { + var arr = emitter._handlers && emitter._handlers[type]; + return arr && arr.length > 0; + } + + // Add on and off methods to a constructor's prototype, to make + // registering events on such objects more convenient. + function eventMixin(ctor) { + ctor.prototype.on = function(type, f) {on(this, type, f);}; + ctor.prototype.off = function(type, f) {off(this, type, f);}; + } + + // MISC UTILITIES + + // Number of pixels added to scroller and sizer to hide scrollbar + var scrollerGap = 30; + + // Returned or thrown by various protocols to signal 'I'm not + // handling this'. + var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; + + // Reused option objects for setSelection & friends + var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + + function Delayed() {this.id = null;} + Delayed.prototype.set = function(ms, f) { + clearTimeout(this.id); + this.id = setTimeout(f, ms); + }; + + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) end = string.length; + } + for (var i = startIndex || 0, n = startValue || 0;;) { + var nextTab = string.indexOf("\t", i); + if (nextTab < 0 || nextTab >= end) + return n + (end - i); + n += nextTab - i; + n += tabSize - (n % tabSize); + i = nextTab + 1; + } + }; + + // The inverse of countColumn -- find the offset that corresponds to + // a particular column. + var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { + for (var pos = 0, col = 0;;) { + var nextTab = string.indexOf("\t", pos); + if (nextTab == -1) nextTab = string.length; + var skipped = nextTab - pos; + if (nextTab == string.length || col + skipped >= goal) + return pos + Math.min(skipped, goal - col); + col += nextTab - pos; + col += tabSize - (col % tabSize); + pos = nextTab + 1; + if (col >= goal) return pos; + } + } + + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + spaceStrs.push(lst(spaceStrs) + " "); + return spaceStrs[n]; + } + + function lst(arr) { return arr[arr.length-1]; } + + var selectInput = function(node) { node.select(); }; + if (ios) // Mobile Safari apparently has a bug where select() is broken. + selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; + else if (ie) // Suppress mysterious IE10 errors + selectInput = function(node) { try { node.select(); } catch(_e) {} }; + + function indexOf(array, elt) { + for (var i = 0; i < array.length; ++i) + if (array[i] == elt) return i; + return -1; + } + function map(array, f) { + var out = []; + for (var i = 0; i < array.length; i++) out[i] = f(array[i], i); + return out; + } + + function nothing() {} + + function createObj(base, props) { + var inst; + if (Object.create) { + inst = Object.create(base); + } else { + nothing.prototype = base; + inst = new nothing(); + } + if (props) copyObj(props, inst); + return inst; + }; + + function copyObj(obj, target, overwrite) { + if (!target) target = {}; + for (var prop in obj) + if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + target[prop] = obj[prop]; + return target; + } + + function bind(f) { + var args = Array.prototype.slice.call(arguments, 1); + return function(){return f.apply(null, args);}; + } + + var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + var isWordCharBasic = CodeMirror.isWordChar = function(ch) { + return /\w/.test(ch) || ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); + }; + function isWordChar(ch, helper) { + if (!helper) return isWordCharBasic(ch); + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true; + return helper.test(ch); + } + + function isEmpty(obj) { + for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false; + return true; + } + + // Extending unicode characters. A series of a non-extending char + + // any number of extending chars is treated as a single unit as far + // as editing and measuring is concerned. This is not fully correct, + // since some scripts/fonts/browsers also treat other configurations + // of code points as a group. + var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; + function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); } + + // DOM UTILITIES + + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) e.className = className; + if (style) e.style.cssText = style; + if (typeof content == "string") e.appendChild(document.createTextNode(content)); + else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); + return e; + } + + var range; + if (document.createRange) range = function(node, start, end, endNode) { + var r = document.createRange(); + r.setEnd(endNode || node, end); + r.setStart(node, start); + return r; + }; + else range = function(node, start, end) { + var r = document.body.createTextRange(); + try { r.moveToElementText(node.parentNode); } + catch(e) { return r; } + r.collapse(true); + r.moveEnd("character", end); + r.moveStart("character", start); + return r; + }; + + function removeChildren(e) { + for (var count = e.childNodes.length; count > 0; --count) + e.removeChild(e.firstChild); + return e; + } + + function removeChildrenAndAdd(parent, e) { + return removeChildren(parent).appendChild(e); + } + + var contains = CodeMirror.contains = function(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + child = child.parentNode; + if (parent.contains) + return parent.contains(child); + do { + if (child.nodeType == 11) child = child.host; + if (child == parent) return true; + } while (child = child.parentNode); + }; + + function activeElt() { + var activeElement = document.activeElement; + while (activeElement && activeElement.root && activeElement.root.activeElement) + activeElement = activeElement.root.activeElement; + return activeElement; + } + // Older versions of IE throws unspecified error when touching + // document.activeElement in some cases (during loading, in iframe) + if (ie && ie_version < 11) activeElt = function() { + try { return document.activeElement; } + catch(e) { return document.body; } + }; + + function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } + var rmClass = CodeMirror.rmClass = function(node, cls) { + var current = node.className; + var match = classTest(cls).exec(current); + if (match) { + var after = current.slice(match.index + match[0].length); + node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + } + }; + var addClass = CodeMirror.addClass = function(node, cls) { + var current = node.className; + if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; + }; + function joinClasses(a, b) { + var as = a.split(" "); + for (var i = 0; i < as.length; i++) + if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i]; + return b; + } + + // WINDOW-WIDE EVENTS + + // These must be handled carefully, because naively registering a + // handler for each editor will cause the editors to never be + // garbage collected. + + function forEachCodeMirror(f) { + if (!document.body.getElementsByClassName) return; + var byClass = document.body.getElementsByClassName("CodeMirror"); + for (var i = 0; i < byClass.length; i++) { + var cm = byClass[i].CodeMirror; + if (cm) f(cm); + } + } + + var globalsRegistered = false; + function ensureGlobalHandlers() { + if (globalsRegistered) return; + registerGlobalHandlers(); + globalsRegistered = true; + } + function registerGlobalHandlers() { + // When the window resizes, we need to refresh active editors. + var resizeTimer; + on(window, "resize", function() { + if (resizeTimer == null) resizeTimer = setTimeout(function() { + resizeTimer = null; + forEachCodeMirror(onResize); + }, 100); + }); + // When the window loses focus, we want to show the editor as blurred + on(window, "blur", function() { + forEachCodeMirror(onBlur); + }); + } + + // FEATURE DETECTION + + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie && ie_version < 9) return false; + var div = elt('div'); + return "draggable" in div || "dragDrop" in div; + }(); + + var zwspSupported; + function zeroWidthElement(measure) { + if (zwspSupported == null) { + var test = elt("span", "\u200b"); + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); + if (measure.firstChild.offsetHeight != 0) + zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); + } + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + node.setAttribute("cm-text", ""); + return node; + } + + // Feature-detect IE's crummy client rect reporting for bidi text + var badBidiRects; + function hasBadBidiRects(measure) { + if (badBidiRects != null) return badBidiRects; + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); + var r0 = range(txt, 0, 1).getBoundingClientRect(); + if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) + var r1 = range(txt, 1, 2).getBoundingClientRect(); + return badBidiRects = (r1.right - r0.right < 3); + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) nl = string.length; + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } + } + return result; + } : function(string){return string.split(/\r\n?|\n/);}; + + var hasSelection = window.getSelection ? function(te) { + try { return te.selectionStart != te.selectionEnd; } + catch(e) { return false; } + } : function(te) { + try {var range = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range || range.parentElement() != te) return false; + return range.compareEndPoints("StartToEnd", range) != 0; + }; + + var hasCopyEvent = (function() { + var e = elt("div"); + if ("oncopy" in e) return true; + e.setAttribute("oncopy", "return;"); + return typeof e.oncopy == "function"; + })(); + + var badZoomedRects = null; + function hasBadZoomedRects(measure) { + if (badZoomedRects != null) return badZoomedRects; + var node = removeChildrenAndAdd(measure, elt("span", "x")); + var normal = node.getBoundingClientRect(); + var fromRange = range(node, 0, 1).getBoundingClientRect(); + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; + } + + // KEY NAMES + + var keyNames = CodeMirror.keyNames = { + 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + }; + (function() { + // Number keys + for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); + // Alphabetic keys + for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); + // Function keys + for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; + })(); + + // BIDI HELPERS + + function iterateBidiSections(order, from, to, f) { + if (!order) return f(from, to, "ltr"); + var found = false; + for (var i = 0; i < order.length; ++i) { + var part = order[i]; + if (part.from < to && part.to > from || from == to && part.to == from) { + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); + found = true; + } + } + if (!found) f(from, to, "ltr"); + } + + function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } + function bidiRight(part) { return part.level % 2 ? part.from : part.to; } + + function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } + function lineRight(line) { + var order = getOrder(line); + if (!order) return line.text.length; + return bidiRight(lst(order)); + } + + function lineStart(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLine(line); + if (visual != line) lineN = lineNo(visual); + var order = getOrder(visual); + var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); + return Pos(lineN, ch); + } + function lineEnd(cm, lineN) { + var merged, line = getLine(cm.doc, lineN); + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line; + lineN = null; + } + var order = getOrder(line); + var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); + return Pos(lineN == null ? lineNo(line) : lineN, ch); + } + function lineStartSmart(cm, pos) { + var start = lineStart(cm, pos.line); + var line = getLine(cm.doc, start.line); + var order = getOrder(line); + if (!order || order[0].level == 0) { + var firstNonWS = Math.max(0, line.text.search(/\S/)); + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; + return Pos(start.line, inWS ? 0 : firstNonWS); + } + return start; + } + + function compareBidiLevel(order, a, b) { + var linedir = order[0].level; + if (a == linedir) return true; + if (b == linedir) return false; + return a < b; + } + var bidiOther; + function getBidiPartAt(order, pos) { + bidiOther = null; + for (var i = 0, found; i < order.length; ++i) { + var cur = order[i]; + if (cur.from < pos && cur.to > pos) return i; + if ((cur.from == pos || cur.to == pos)) { + if (found == null) { + found = i; + } else if (compareBidiLevel(order, cur.level, order[found].level)) { + if (cur.from != cur.to) bidiOther = found; + return i; + } else { + if (cur.from != cur.to) bidiOther = i; + return found; + } + } + } + return found; + } + + function moveInLine(line, pos, dir, byUnit) { + if (!byUnit) return pos + dir; + do pos += dir; + while (pos > 0 && isExtendingChar(line.text.charAt(pos))); + return pos; + } + + // This is needed in order to move 'visually' through bi-directional + // text -- i.e., pressing left should make the cursor go left, even + // when in RTL text. The tricky part is the 'jumps', where RTL and + // LTR text touch each other. This often requires the cursor offset + // to move more than one unit, in order to visually move one unit. + function moveVisually(line, start, dir, byUnit) { + var bidi = getOrder(line); + if (!bidi) return moveLogically(line, start, dir, byUnit); + var pos = getBidiPartAt(bidi, start), part = bidi[pos]; + var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); + + for (;;) { + if (target > part.from && target < part.to) return target; + if (target == part.from || target == part.to) { + if (getBidiPartAt(bidi, target) == pos) return target; + part = bidi[pos += dir]; + return (dir > 0) == part.level % 2 ? part.to : part.from; + } else { + part = bidi[pos += dir]; + if (!part) return null; + if ((dir > 0) == part.level % 2) + target = moveInLine(line, part.to, -1, byUnit); + else + target = moveInLine(line, part.from, 1, byUnit); + } + } + } + + function moveLogically(line, start, dir, byUnit) { + var target = start + dir; + if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir; + return target < 0 || target > line.text.length ? null : target; + } + + // Bidirectional ordering algorithm + // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm + // that this (partially) implements. + + // One-char codes used for character types: + // L (L): Left-to-Right + // R (R): Right-to-Left + // r (AL): Right-to-Left Arabic + // 1 (EN): European Number + // + (ES): European Number Separator + // % (ET): European Number Terminator + // n (AN): Arabic Number + // , (CS): Common Number Separator + // m (NSM): Non-Spacing Mark + // b (BN): Boundary Neutral + // s (B): Paragraph Separator + // t (S): Segment Separator + // w (WS): Whitespace + // N (ON): Other Neutrals + + // Returns null if characters are ordered as they appear + // (left-to-right), or an array of sections ({from, to, level} + // objects) in the order in which they occur visually. + var bidiOrdering = (function() { + // Character types for codepoints 0 to 0xff + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; + // Character types for codepoints 0x600 to 0x6ff + var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; + function charType(code) { + if (code <= 0xf7) return lowTypes.charAt(code); + else if (0x590 <= code && code <= 0x5f4) return "R"; + else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600); + else if (0x6ee <= code && code <= 0x8ac) return "r"; + else if (0x2000 <= code && code <= 0x200b) return "w"; + else if (code == 0x200c) return "b"; + else return "L"; + } + + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + // Browsers seem to always treat the boundaries of block elements as being L. + var outerType = "L"; + + function BidiSpan(level, from, to) { + this.level = level; + this.from = from; this.to = to; + } + + return function(str) { + if (!bidiRE.test(str)) return false; + var len = str.length, types = []; + for (var i = 0, type; i < len; ++i) + types.push(type = charType(str.charCodeAt(i))); + + // W1. Examine each non-spacing mark (NSM) in the level run, and + // change the type of the NSM to the type of the previous + // character. If the NSM is at the start of the level run, it will + // get the type of sor. + for (var i = 0, prev = outerType; i < len; ++i) { + var type = types[i]; + if (type == "m") types[i] = prev; + else prev = type; + } + + // W2. Search backwards from each instance of a European number + // until the first strong type (R, L, AL, or sor) is found. If an + // AL is found, change the type of the European number to Arabic + // number. + // W3. Change all ALs to R. + for (var i = 0, cur = outerType; i < len; ++i) { + var type = types[i]; + if (type == "1" && cur == "r") types[i] = "n"; + else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } + } + + // W4. A single European separator between two European numbers + // changes to a European number. A single common separator between + // two numbers of the same type changes to that type. + for (var i = 1, prev = types[0]; i < len - 1; ++i) { + var type = types[i]; + if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; + else if (type == "," && prev == types[i+1] && + (prev == "1" || prev == "n")) types[i] = prev; + prev = type; + } + + // W5. A sequence of European terminators adjacent to European + // numbers changes to all European numbers. + // W6. Otherwise, separators and terminators change to Other + // Neutral. + for (var i = 0; i < len; ++i) { + var type = types[i]; + if (type == ",") types[i] = "N"; + else if (type == "%") { + for (var end = i + 1; end < len && types[end] == "%"; ++end) {} + var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; + for (var j = i; j < end; ++j) types[j] = replace; + i = end - 1; + } + } + + // W7. Search backwards from each instance of a European number + // until the first strong type (R, L, or sor) is found. If an L is + // found, then change the type of the European number to L. + for (var i = 0, cur = outerType; i < len; ++i) { + var type = types[i]; + if (cur == "L" && type == "1") types[i] = "L"; + else if (isStrong.test(type)) cur = type; + } + + // N1. A sequence of neutrals takes the direction of the + // surrounding strong text if the text on both sides has the same + // direction. European and Arabic numbers act as if they were R in + // terms of their influence on neutrals. Start-of-level-run (sor) + // and end-of-level-run (eor) are used at level run boundaries. + // N2. Any remaining neutrals take the embedding direction. + for (var i = 0; i < len; ++i) { + if (isNeutral.test(types[i])) { + for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} + var before = (i ? types[i-1] : outerType) == "L"; + var after = (end < len ? types[end] : outerType) == "L"; + var replace = before || after ? "L" : "R"; + for (var j = i; j < end; ++j) types[j] = replace; + i = end - 1; + } + } + + // Here we depart from the documented algorithm, in order to avoid + // building up an actual levels array. Since there are only three + // levels (0, 1, 2) in an implementation that doesn't take + // explicit embedding into account, we can build up the order on + // the fly, without following the level-based algorithm. + var order = [], m; + for (var i = 0; i < len;) { + if (countsAsLeft.test(types[i])) { + var start = i; + for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} + order.push(new BidiSpan(0, start, i)); + } else { + var pos = i, at = order.length; + for (++i; i < len && types[i] != "L"; ++i) {} + for (var j = pos; j < i;) { + if (countsAsNum.test(types[j])) { + if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); + var nstart = j; + for (++j; j < i && countsAsNum.test(types[j]); ++j) {} + order.splice(at, 0, new BidiSpan(2, nstart, j)); + pos = j; + } else ++j; + } + if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i)); + } + } + if (order[0].level == 1 && (m = str.match(/^\s+/))) { + order[0].from = m[0].length; + order.unshift(new BidiSpan(0, 0, m[0].length)); + } + if (lst(order).level == 1 && (m = str.match(/\s+$/))) { + lst(order).to -= m[0].length; + order.push(new BidiSpan(0, len - m[0].length, len)); + } + if (order[0].level == 2) + order.unshift(new BidiSpan(1, order[0].to, order[0].to)); + if (order[0].level != lst(order).level) + order.push(new BidiSpan(order[0].level, len, len)); + + return order; + }; + })(); + + // THE END + + CodeMirror.version = "5.7.0"; + + return CodeMirror; +}); diff --git a/docs/parinfer-tester/assets/parinfer-codemirror.js b/docs/parinfer-tester/assets/parinfer-codemirror.js new file mode 100644 index 0000000..3fe19cb --- /dev/null +++ b/docs/parinfer-tester/assets/parinfer-codemirror.js @@ -0,0 +1,666 @@ +// +// Parinfer for CodeMirror 1.4.1 +// +// Copyright 2017 © Shaun Lebron +// MIT License +// + +//------------------------------------------------------------------------------ +// JS Module Boilerplate +//------------------------------------------------------------------------------ + +(function (root, factory) { + if (typeof define === 'function' && define.amd) { + define([], factory); + } + else if (typeof module === 'object' && module.exports) { + module.exports = factory(); + } + else { + root.parinferCodeMirror = factory(); + } +}(this, function() { // start module anonymous scope +"use strict"; + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +// We attach our Parinfer state to this property on the CodeMirror instance. +var STATE_PROP = '__parinfer__'; + +var PAREN_MODE = 'paren'; +var INDENT_MODE = 'indent'; +var SMART_MODE = 'smart'; + +var MODES = [PAREN_MODE, INDENT_MODE, SMART_MODE]; + +var CLASSNAME_ERROR = 'parinfer-error'; +var CLASSNAME_PARENTRAIL = 'parinfer-paren-trail'; +var CLASSNAME_LOCUS_PAREN = 'parinfer-locus-paren'; + +var CLASSNAME_LOCUS_LAYER = 'parinfer-locus'; + +//------------------------------------------------------------------------------ +// State +// (`state` represents the parinfer state attached to a single CodeMirror editor) +//------------------------------------------------------------------------------ + +function initialState(cm, mode, options) { + return { + cm: cm, + mode: mode, + options: options, + enabled: false, + cursorTimeout: null, + monitorCursor: true, + prevCursorX: null, + prevCursorLine: null, + callbackCursor: null, + callbackChanges: null, + }; +} + +//------------------------------------------------------------------------------ +// Errors +//------------------------------------------------------------------------------ + +function error(msg) { + return 'parinferCodeMirror: ' + msg; +} + +function ensureMode(mode) { + if (MODES.indexOf(mode) === -1) { + throw error( + 'Mode "' + mode + '" is invalid. ' + + 'Must be one of: ' + MODES.join(',') + ); + } +} + +function ensureState(cm) { + var state = cm[STATE_PROP]; + if (!state) { + throw error( + 'You must call parinferCodeMirror.init(cm) on a CodeMirror instance ' + + 'before you can use the rest of the API.' + ); + } + return state; +} + +//------------------------------------------------------------------------------ +// Data conversion +//------------------------------------------------------------------------------ + +function convertChanges(changes) { + return changes.map(function(change) { + return { + x: change.from.ch, + lineNo: change.from.line, + oldText: change.removed.join('\n'), + newText: change.text.join('\n') + }; + }); +} + +//------------------------------------------------------------------------------ +// Markers +//------------------------------------------------------------------------------ + +function clearMarks(cm, className) { + var i; + var marks = cm.getAllMarks(); + for (i=0; i= stop.x) { + xs.pop(); + } + xs.push(stop.x); + xs.push(stop.x + (stop.ch === '(' ? 2 : 1)); + if (stop.argX != null) { + xs.push(stop.argX); + } + } + return xs; +} + +function nextStop(stops, x, dx) { + if (!stops) { + return null; + } + var i, stop, right, left; + for (i=0; i stop) { left = stop; } + } + if (dx === -1) { return left; } + if (dx === 1) { return right; } +} + +function getIndent(cm, lineNo) { + var line = cm.getLine(lineNo); + var i; + for (i=0; i 0) { + var spaces = Array(delta + 1).join(" "); + cm.replaceSelection(spaces); + } + else { + var x = cm.getCursor().ch; + cm.replaceRange("", {line: lineNo, ch: x+delta}, {line: lineNo, ch: x}, "+indent"); + } +} + +function indentAtCursor(cm, dx, stops) { + // Indent single line at cursor + var cursor = cm.getCursor(); + var lineNo = cursor.line; + var x = cursor.ch; + var indent = getIndent(cm, cursor.line); + + var stop = nextStop(stops, x, dx); + var useStops = (indent == null || x === indent); + var nextX = (stop != null && useStops) ? stop : Math.max(0, x+dx*2); + + if (indent != null && indent < x && x < nextX) { + var spaces = Array(nextX-x + 1).join(" "); + cm.replaceSelection(spaces); + } + else { + indentLine(cm, lineNo, nextX-x); + } +} + +function onTab(cm, dx) { + var hasSelection = cm.somethingSelected(); + var state = ensureState(cm); + var stops = expandTabStops(state.tabStops); + + if (hasSelection) { + indentSelection(cm, dx, stops); + } + else { + indentAtCursor(cm, dx, stops); + } +} + +//------------------------------------------------------------------------------ +// Locus/Guides layer +//------------------------------------------------------------------------------ + +function getLayerContainer(cm) { + var wrapper = cm.getWrapperElement(); + var lines = wrapper.querySelector('.CodeMirror-lines'); + var container = lines.parentNode; + return container; +} + +function parenSelected(paren, sel) { + return sel.contains({line: paren.lineNo, ch: paren.x}) !== -1; +} + +function pointRevealsParenTrail(trail, pos) { + return ( + pos.line === trail.lineNo && + trail.startX <= pos.ch /* && cursor.ch <= trail.endX */ + ); +} + +function hideParen(cm, paren) { + var sel = cm.getDoc().sel; + var sel0 = sel.ranges[0]; + var shouldShowCloser = ( + paren.lineNo === paren.closer.lineNo || + !paren.closer.trail || + pointRevealsParenTrail(paren.closer.trail, sel0.anchor) || + pointRevealsParenTrail(paren.closer.trail, sel0.head) || + parenSelected(paren.closer, sel) + ); + + if (!shouldShowCloser) { + addMark(cm, paren.closer.lineNo, paren.closer.x, paren.closer.x+1, CLASSNAME_LOCUS_PAREN); + } + hideParens(cm, paren.children); +} + +function hideParens(cm, parens) { + var i; + for (i=0; i maxWidth) { + maxWidth = line.length; + maxLineNo = i; + } + } + var wall = charPos(cm, {lineNo: maxLineNo, x: maxWidth}); + return wall.right; +} + +function addBox(cm, paren) { + var layer = cm[STATE_PROP].layer; + var paper = layer.paper; + var charW = layer.charW; + var charH = layer.charH; + + var open = charPos(cm, paren); + var close = charPos(cm, paren.closer); + + var r = 4; + + if (paren.closer.trail && paren.lineNo !== paren.closer.lineNo) { + switch (layer.type) { + case 'guides': + paper.path([ + 'M', open.midx, open.bottom, + 'V', close.bottom + ].join(' ')); + break; + case 'locus': + var right = getRightBound(cm, paren.lineNo, paren.closer.lineNo); + paper.path([ + 'M', open.midx, open.top+r, + 'A', r, r, 0, 0, 1, open.midx+r, open.top, + 'H', right-r, + 'A', r, r, 0, 0, 1, right, open.top+r, + 'V', close.bottom, + 'H', open.midx, + 'V', open.bottom + ].join(' ')); + break; + } + } + + addBoxes(cm, paren.children); +} + +function addBoxes(cm, parens) { + var i; + for (i=0; i not searching + // 1 'space' => searching for next space + // 2 'arg' => searching for arg + // + // (We create the tabStop when the change from 2->0 happens.) + // + + error: { // if 'success' is false, return this error to the user + name: null, // [string] - Parinfer's unique name for this error + message: null, // [string] - error message to display + lineNo: null, // [integer] - line number of error + x: null, // [integer] - start x position of error + extra: { + name: null, + lineNo: null, + x: null + } + }, + errorPosCache: {} // [object] - maps error name to a potential error position + }; + + // Make sure no new properties are added to the result, for type safety. + // (uncomment only when debugging, since it incurs a perf penalty) + // Object.preventExtensions(result); + // Object.preventExtensions(result.parenTrail); + + // merge options if they are valid + if (options) { + if (isInteger(options.cursorX)) { result.cursorX = options.cursorX; + result.origCursorX = options.cursorX; } + if (isInteger(options.cursorLine)) { result.cursorLine = options.cursorLine; + result.origCursorLine = options.cursorLine; } + if (isInteger(options.prevCursorX)) { result.prevCursorX = options.prevCursorX; } + if (isInteger(options.prevCursorLine)) { result.prevCursorLine = options.prevCursorLine; } + if (isInteger(options.selectionStartLine)) { result.selectionStartLine = options.selectionStartLine; } + if (isArray(options.changes)) { result.changes = transformChanges(options.changes); } + if (isBoolean(options.partialResult)) { result.partialResult = options.partialResult; } + if (isBoolean(options.forceBalance)) { result.forceBalance = options.forceBalance; } + if (isBoolean(options.returnParens)) { result.returnParens = options.returnParens; } + } + + return result; +} + +//------------------------------------------------------------------------------ +// Possible Errors +//------------------------------------------------------------------------------ + +// `result.error.name` is set to any of these +var ERROR_QUOTE_DANGER = "quote-danger"; +var ERROR_EOL_BACKSLASH = "eol-backslash"; +var ERROR_UNCLOSED_QUOTE = "unclosed-quote"; +var ERROR_UNCLOSED_PAREN = "unclosed-paren"; +var ERROR_UNMATCHED_CLOSE_PAREN = "unmatched-close-paren"; +var ERROR_UNMATCHED_OPEN_PAREN = "unmatched-open-paren"; +var ERROR_LEADING_CLOSE_PAREN = "leading-close-paren"; +var ERROR_UNHANDLED = "unhandled"; + +var errorMessages = {}; +errorMessages[ERROR_QUOTE_DANGER] = "Quotes must balanced inside comment blocks."; +errorMessages[ERROR_EOL_BACKSLASH] = "Line cannot end in a hanging backslash."; +errorMessages[ERROR_UNCLOSED_QUOTE] = "String is missing a closing quote."; +errorMessages[ERROR_UNCLOSED_PAREN] = "Unclosed open-paren."; +errorMessages[ERROR_UNMATCHED_CLOSE_PAREN] = "Unmatched close-paren."; +errorMessages[ERROR_UNMATCHED_OPEN_PAREN] = "Unmatched open-paren."; +errorMessages[ERROR_LEADING_CLOSE_PAREN] = "Line cannot lead with a close-paren."; +errorMessages[ERROR_UNHANDLED] = "Unhandled error."; + +function cacheErrorPos(result, errorName) { + var e = { + lineNo: result.lineNo, + x: result.x, + inputLineNo: result.inputLineNo, + inputX: result.inputX + }; + result.errorPosCache[errorName] = e; + return e; +} + +function error(result, name) { + var cache = result.errorPosCache[name]; + + var keyLineNo = result.partialResult ? 'lineNo' : 'inputLineNo'; + var keyX = result.partialResult ? 'x' : 'inputX'; + + var e = { + parinferError: true, + name: name, + message: errorMessages[name], + lineNo: cache ? cache[keyLineNo] : result[keyLineNo], + x: cache ? cache[keyX] : result[keyX] + }; + var opener = peek(result.parenStack, 0); + + if (name === ERROR_UNMATCHED_CLOSE_PAREN) { + // extra error info for locating the open-paren that it should've matched + cache = result.errorPosCache[ERROR_UNMATCHED_OPEN_PAREN]; + if (cache || opener) { + e.extra = { + name: ERROR_UNMATCHED_OPEN_PAREN, + lineNo: cache ? cache[keyLineNo] : opener[keyLineNo], + x: cache ? cache[keyX] : opener[keyX] + }; + } + } + else if (name === ERROR_UNCLOSED_PAREN) { + e.lineNo = opener[keyLineNo]; + e.x = opener[keyX]; + } + return e; +} + +//------------------------------------------------------------------------------ +// String Operations +//------------------------------------------------------------------------------ + +function replaceWithinString(orig, start, end, replace) { + return ( + orig.substring(0, start) + + replace + + orig.substring(end) + ); +} + +if (RUN_ASSERTS) { + console.assert(replaceWithinString('aaa', 0, 2, '') === 'a'); + console.assert(replaceWithinString('aaa', 0, 1, 'b') === 'baa'); + console.assert(replaceWithinString('aaa', 0, 2, 'b') === 'ba'); +} + +function repeatString(text, n) { + var i; + var result = ""; + for (i = 0; i < n; i++) { + result += text; + } + return result; +} + +if (RUN_ASSERTS) { + console.assert(repeatString('a', 2) === 'aa'); + console.assert(repeatString('aa', 3) === 'aaaaaa'); + console.assert(repeatString('aa', 0) === ''); + console.assert(repeatString('', 0) === ''); + console.assert(repeatString('', 5) === ''); +} + +function getLineEnding(text) { + // NOTE: We assume that if the CR char "\r" is used anywhere, + // then we should use CRLF line-endings after every line. + var i = text.search("\r"); + if (i !== -1) { + return "\r\n"; + } + return "\n"; +} + +//------------------------------------------------------------------------------ +// Line operations +//------------------------------------------------------------------------------ + +function isCursorAffected(result, start, end) { + if (result.cursorX === start && + result.cursorX === end) { + return result.cursorX === 0; + } + return result.cursorX >= end; +} + +function shiftCursorOnEdit(result, lineNo, start, end, replace) { + var oldLength = end - start; + var newLength = replace.length; + var dx = newLength - oldLength; + + if (dx !== 0 && + result.cursorLine === lineNo && + result.cursorX !== UINT_NULL && + isCursorAffected(result, start, end)) { + result.cursorX += dx; + } +} + +function replaceWithinLine(result, lineNo, start, end, replace) { + var line = result.lines[lineNo]; + var newLine = replaceWithinString(line, start, end, replace); + result.lines[lineNo] = newLine; + + shiftCursorOnEdit(result, lineNo, start, end, replace); +} + +function insertWithinLine(result, lineNo, idx, insert) { + replaceWithinLine(result, lineNo, idx, idx, insert); +} + +function initLine(result) { + result.x = 0; + result.lineNo++; + + // reset line-specific state + result.indentX = UINT_NULL; + result.commentX = UINT_NULL; + result.indentDelta = 0; + delete result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]; + delete result.errorPosCache[ERROR_UNMATCHED_OPEN_PAREN]; + delete result.errorPosCache[ERROR_LEADING_CLOSE_PAREN]; + + result.trackingArgTabStop = null; + result.trackingIndent = !result.isInStr; +} + +// if the current character has changed, commit its change to the current line. +function commitChar(result, origCh) { + var ch = result.ch; + if (origCh !== ch) { + replaceWithinLine(result, result.lineNo, result.x, result.x + origCh.length, ch); + result.indentDelta -= (origCh.length - ch.length); + } + result.x += ch.length; +} + +//------------------------------------------------------------------------------ +// Misc Utils +//------------------------------------------------------------------------------ + +function clamp(val, minN, maxN) { + if (minN !== UINT_NULL) { + val = Math.max(minN, val); + } + if (maxN !== UINT_NULL) { + val = Math.min(maxN, val); + } + return val; +} + +if (RUN_ASSERTS) { + console.assert(clamp(1, 3, 5) === 3); + console.assert(clamp(9, 3, 5) === 5); + console.assert(clamp(1, 3, UINT_NULL) === 3); + console.assert(clamp(5, 3, UINT_NULL) === 5); + console.assert(clamp(1, UINT_NULL, 5) === 1); + console.assert(clamp(9, UINT_NULL, 5) === 5); + console.assert(clamp(1, UINT_NULL, UINT_NULL) === 1); +} + +function peek(arr, idxFromBack) { + var maxIdx = arr.length - 1; + if (idxFromBack > maxIdx) { + return null; + } + return arr[maxIdx - idxFromBack]; +} + +if (RUN_ASSERTS) { + console.assert(peek(['a'], 0) === 'a'); + console.assert(peek(['a'], 1) === null); + console.assert(peek(['a', 'b', 'c'], 0) === 'c'); + console.assert(peek(['a', 'b', 'c'], 1) === 'b'); + console.assert(peek(['a', 'b', 'c'], 5) === null); + console.assert(peek([], 0) === null); + console.assert(peek([], 1) === null); +} + +//------------------------------------------------------------------------------ +// Questions about characters +//------------------------------------------------------------------------------ + +function isOpenParen(ch) { + return ch === "{" || ch === "(" || ch === "["; +} + +function isCloseParen(ch) { + return ch === "}" || ch === ")" || ch === "]"; +} + +function isValidCloseParen(parenStack, ch) { + if (parenStack.length === 0) { + return false; + } + return peek(parenStack, 0).ch === MATCH_PAREN[ch]; +} + +function isWhitespace(result) { + var ch = result.ch; + return !result.isEscaped && (ch === BLANK_SPACE || ch === DOUBLE_SPACE); +} + +// can this be the last code character of a list? +function isClosable(result) { + var ch = result.ch; + var closer = (isCloseParen(ch) && !result.isEscaped); + return result.isInCode && !isWhitespace(result) && ch !== "" && !closer; +} + +//------------------------------------------------------------------------------ +// Advanced operations on characters +//------------------------------------------------------------------------------ + +function checkCursorHolding(result) { + var opener = peek(result.parenStack, 0); + var parent = peek(result.parenStack, 1); + var holdMinX = parent ? parent.x+1 : 0; + var holdMaxX = opener.x; + + var holding = ( + result.cursorLine === opener.lineNo && + holdMinX <= result.cursorX && result.cursorX <= holdMaxX + ); + var shouldCheckPrev = !result.changes && result.prevCursorLine !== UINT_NULL; + if (shouldCheckPrev) { + var prevHolding = ( + result.prevCursorLine === opener.lineNo && + holdMinX <= result.prevCursorX && result.prevCursorX <= holdMaxX + ); + if (prevHolding && !holding) { + throw {releaseCursorHold: true}; + } + } + return holding; +} + +function trackArgTabStop(result, state) { + if (state === 'space') { + if (result.isInCode && isWhitespace(result)) { + result.trackingArgTabStop = 'arg'; + } + } + else if (state === 'arg') { + if (!isWhitespace(result)) { + var opener = peek(result.parenStack, 0); + opener.argX = result.x; + result.trackingArgTabStop = null; + } + } +} + +//------------------------------------------------------------------------------ +// Literal character events +//------------------------------------------------------------------------------ + +function onOpenParen(result) { + if (result.isInCode) { + var opener = { + inputLineNo: result.inputLineNo, + inputX: result.inputX, + + lineNo: result.lineNo, + x: result.x, + ch: result.ch, + indentDelta: result.indentDelta, + maxChildIndent: UINT_NULL + }; + + if (result.returnParens) { + opener.children = []; + opener.closer = { + lineNo: UINT_NULL, + x: UINT_NULL, + ch: '' + }; + var parent = peek(result.parenStack, 0); + parent = parent ? parent.children : result.parens; + parent.push(opener); + } + + result.parenStack.push(opener); + result.trackingArgTabStop = 'space'; + } +} + +function setCloser(opener, lineNo, x, ch) { + opener.closer.lineNo = lineNo; + opener.closer.x = x; + opener.closer.ch = ch; +} + +function onMatchedCloseParen(result) { + var opener = peek(result.parenStack, 0); + if (result.returnParens) { + setCloser(opener, result.lineNo, result.x, result.ch); + } + + result.parenTrail.endX = result.x + 1; + result.parenTrail.openers.push(opener); + + if (result.mode === INDENT_MODE && result.smart && checkCursorHolding(result)) { + var origStartX = result.parenTrail.startX; + var origEndX = result.parenTrail.endX; + var origOpeners = result.parenTrail.openers; + resetParenTrail(result, result.lineNo, result.x+1); + result.parenTrail.clamped.startX = origStartX; + result.parenTrail.clamped.endX = origEndX; + result.parenTrail.clamped.openers = origOpeners; + } + result.parenStack.pop(); + result.trackingArgTabStop = null; +} + +function onUnmatchedCloseParen(result) { + if (result.mode === PAREN_MODE) { + var trail = result.parenTrail; + var inLeadingParenTrail = trail.lineNo === result.lineNo && trail.startX === result.indentX; + var canRemove = result.smart && inLeadingParenTrail; + if (!canRemove) { + throw error(result, ERROR_UNMATCHED_CLOSE_PAREN); + } + } + else if (result.mode === INDENT_MODE && !result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]) { + cacheErrorPos(result, ERROR_UNMATCHED_CLOSE_PAREN); + var opener = peek(result.parenStack, 0); + if (opener) { + var e = cacheErrorPos(result, ERROR_UNMATCHED_OPEN_PAREN); + e.inputLineNo = opener.inputLineNo; + e.inputX = opener.inputX; + } + } + result.ch = ""; +} + +function onCloseParen(result) { + if (result.isInCode) { + if (isValidCloseParen(result.parenStack, result.ch)) { + onMatchedCloseParen(result); + } + else { + onUnmatchedCloseParen(result); + } + } +} + +function onTab(result) { + if (result.isInCode) { + result.ch = DOUBLE_SPACE; + } +} + +function onSemicolon(result) { + if (result.isInCode) { + result.isInComment = true; + result.commentX = result.x; + result.trackingArgTabStop = null; + } +} + +function onNewline(result) { + result.isInComment = false; + result.ch = ""; +} + +function onQuote(result) { + if (result.isInStr) { + result.isInStr = false; + } + else if (result.isInComment) { + result.quoteDanger = !result.quoteDanger; + if (result.quoteDanger) { + cacheErrorPos(result, ERROR_QUOTE_DANGER); + } + } + else { + result.isInStr = true; + cacheErrorPos(result, ERROR_UNCLOSED_QUOTE); + } +} + +function onBackslash(result) { + result.isEscaping = true; +} + +function afterBackslash(result) { + result.isEscaping = false; + result.isEscaped = true; + + if (result.ch === NEWLINE) { + if (result.isInCode) { + throw error(result, ERROR_EOL_BACKSLASH); + } + onNewline(result); + } +} + +//------------------------------------------------------------------------------ +// Character dispatch +//------------------------------------------------------------------------------ + +function onChar(result) { + var ch = result.ch; + result.isEscaped = false; + + if (result.isEscaping) { afterBackslash(result); } + else if (isOpenParen(ch)) { onOpenParen(result); } + else if (isCloseParen(ch)) { onCloseParen(result); } + else if (ch === DOUBLE_QUOTE) { onQuote(result); } + else if (ch === SEMICOLON) { onSemicolon(result); } + else if (ch === BACKSLASH) { onBackslash(result); } + else if (ch === TAB) { onTab(result); } + else if (ch === NEWLINE) { onNewline(result); } + + ch = result.ch; + + result.isInCode = !result.isInComment && !result.isInStr; + + if (isClosable(result)) { + resetParenTrail(result, result.lineNo, result.x+ch.length); + } + + var state = result.trackingArgTabStop; + if (state) { + trackArgTabStop(result, state); + } +} + +//------------------------------------------------------------------------------ +// Cursor functions +//------------------------------------------------------------------------------ + +function isCursorLeftOf(cursorX, cursorLine, x, lineNo) { + return ( + cursorLine === lineNo && + x !== UINT_NULL && + cursorX !== UINT_NULL && + cursorX <= x // inclusive since (cursorX = x) implies (x-1 < cursor < x) + ); +} + +function isCursorRightOf(cursorX, cursorLine, x, lineNo) { + return ( + cursorLine === lineNo && + x !== UINT_NULL && + cursorX !== UINT_NULL && + cursorX > x + ); +} + +function isCursorInComment(result, cursorX, cursorLine) { + return isCursorRightOf(cursorX, cursorLine, result.commentX, result.lineNo); +} + +function handleChangeDelta(result) { + if (result.changes && (result.smart || result.mode === PAREN_MODE)) { + var line = result.changes[result.inputLineNo]; + if (line) { + var change = line[result.inputX]; + if (change) { + result.indentDelta += (change.newEndX - change.oldEndX); + } + } + } +} + +//------------------------------------------------------------------------------ +// Paren Trail functions +//------------------------------------------------------------------------------ + +function resetParenTrail(result, lineNo, x) { + result.parenTrail.lineNo = lineNo; + result.parenTrail.startX = x; + result.parenTrail.endX = x; + result.parenTrail.openers = []; + result.parenTrail.clamped.startX = UINT_NULL; + result.parenTrail.clamped.endX = UINT_NULL; + result.parenTrail.clamped.openers = []; +} + +function isCursorClampingParenTrail(result, cursorX, cursorLine) { + return ( + isCursorRightOf(cursorX, cursorLine, result.parenTrail.startX, result.lineNo) && + !isCursorInComment(result, cursorX, cursorLine) + ); +} + +// INDENT MODE: allow the cursor to clamp the paren trail +function clampParenTrailToCursor(result) { + var startX = result.parenTrail.startX; + var endX = result.parenTrail.endX; + + var clamping = isCursorClampingParenTrail(result, result.cursorX, result.cursorLine); + + if (clamping) { + var newStartX = Math.max(startX, result.cursorX); + var newEndX = Math.max(endX, result.cursorX); + + var line = result.lines[result.lineNo]; + var removeCount = 0; + var i; + for (i = startX; i < newStartX; i++) { + if (isCloseParen(line[i])) { + removeCount++; + } + } + + var openers = result.parenTrail.openers; + + result.parenTrail.openers = openers.slice(removeCount); + result.parenTrail.startX = newStartX; + result.parenTrail.endX = newEndX; + + result.parenTrail.clamped.openers = openers.slice(0, removeCount); + result.parenTrail.clamped.startX = startX; + result.parenTrail.clamped.endX = endX; + } +} + +// INDENT MODE: pops the paren trail from the stack +function popParenTrail(result) { + var startX = result.parenTrail.startX; + var endX = result.parenTrail.endX; + + if (startX === endX) { + return; + } + + var openers = result.parenTrail.openers; + while (openers.length !== 0) { + result.parenStack.push(openers.pop()); + } +} + +// Determine which open-paren (if any) on the parenStack should be considered +// the direct parent of the current line (given its indentation point). +// This allows Smart Mode to simulate Paren Mode's structure-preserving +// behavior by adding its `opener.indentDelta` to the current line's indentation. +// (care must be taken to prevent redundant indentation correction, detailed below) +function getParentOpenerIndex(result, indentX) { + var i; + for (i=0; i `(foo) bar` + // bar) --/ + + // 1. PREVENT FRAGMENTATION + // ```in + // (foo + // ++ + // bar + // ``` + // ```out + // (foo + // bar + // ``` + if (result.indentDelta === 0) { + isParent = true; + } + + // 2. ALLOW FRAGMENTATION + // ```in + // (foo + // bar + // -- + // ``` + // ```out + // (foo) + // bar + // ``` + else if (opener.indentDelta === 0) { + isParent = false; + } + + else { + // TODO: identify legitimate cases where both are nonzero + + // allow the fragmentation by default + isParent = false; + + // TODO: should we throw to exit instead? either of: + // 1. give up, just `throw error(...)` + // 2. fallback to paren mode to preserve structure + } + } + else if (!prevOutside && currOutside) { + // POSSIBLE ADOPTION + // (foo) --\ + // +--- ADOPT `(foo) bar` => `(foo bar)` + // bar --/ + + var nextOpener = peek(result.parenStack, i+1); + + // 1. DISALLOW ADOPTION + // ```in + // (foo + // -- + // (bar) + // -- + // baz) + // ``` + // ```out + // (foo + // (bar) + // baz) + // ``` + // OR + // ```in + // (foo + // -- + // (bar) + // - + // baz) + // ``` + // ```out + // (foo + // (bar) + // baz) + // ``` + if (nextOpener && nextOpener.indentDelta <= opener.indentDelta) { + // we can only disallow adoption if nextOpener.indentDelta will actually + // prevent the indentX from being in the opener's threshold. + if (indentX + nextOpener.indentDelta > opener.x) { + isParent = true; + } + else { + isParent = false; + } + } + + // 2. ALLOW ADOPTION + // ```in + // (foo + // (bar) + // -- + // baz) + // ``` + // ```out + // (foo + // (bar + // baz)) + // ``` + // OR + // ```in + // (foo + // - + // (bar) + // -- + // baz) + // ``` + // ```out + // (foo + // (bar) + // baz) + // ``` + else if (nextOpener && nextOpener.indentDelta > opener.indentDelta) { + isParent = true; + } + + // 3. ALLOW ADOPTION + // ```in + // (foo) + // -- + // bar + // ``` + // ```out + // (foo + // bar) + // ``` + // OR + // ```in + // (foo) + // bar + // ++ + // ``` + // ```out + // (foo + // bar + // ``` + // OR + // ```in + // (foo) + // + + // bar + // ++ + // ``` + // ```out + // (foo + // bar) + // ``` + else if (result.indentDelta > opener.indentDelta) { + isParent = true; + } + + if (isParent) { // if new parent + // Clear `indentDelta` since it is reserved for previous child lines only. + opener.indentDelta = 0; + } + } + + if (isParent) { + break; + } + } + return i; +} + +// INDENT MODE: correct paren trail from indentation +function correctParenTrail(result, indentX) { + var parens = ""; + + var index = getParentOpenerIndex(result, indentX); + var i; + for (i=0; i 0) { + replaceWithinLine(result, result.lineNo, startX, endX, newTrail); + result.parenTrail.endX -= spaceCount; + } +} + +// PAREN MODE: append a valid close-paren to the end of the paren trail +function appendParenTrail(result) { + var opener = result.parenStack.pop(); + var closeCh = MATCH_PAREN[opener.ch]; + if (result.returnParens) { + setCloser(opener, result.parenTrail.lineNo, result.parenTrail.endX, closeCh); + } + + setMaxIndent(result, opener); + insertWithinLine(result, result.parenTrail.lineNo, result.parenTrail.endX, closeCh); + + result.parenTrail.endX++; + result.parenTrail.openers.push(opener); + updateRememberedParenTrail(result); +} + +function invalidateParenTrail(result) { + result.parenTrail = initialParenTrail(); +} + +function checkUnmatchedOutsideParenTrail(result) { + var cache = result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]; + if (cache && cache.x < result.parenTrail.startX) { + throw error(result, ERROR_UNMATCHED_CLOSE_PAREN); + } +} + +function setMaxIndent(result, opener) { + if (opener) { + var parent = peek(result.parenStack, 0); + if (parent) { + parent.maxChildIndent = opener.x; + } + else { + result.maxIndent = opener.x; + } + } +} + +function rememberParenTrail(result) { + var trail = result.parenTrail; + var openers = trail.clamped.openers.concat(trail.openers); + if (openers.length > 0) { + var isClamped = trail.clamped.startX !== UINT_NULL; + var allClamped = trail.openers.length === 0; + var shortTrail = { + lineNo: trail.lineNo, + startX: isClamped ? trail.clamped.startX : trail.startX, + endX: allClamped ? trail.clamped.endX : trail.endX + }; + result.parenTrails.push(shortTrail); + + if (result.returnParens) { + var i; + for (i=0; i=0; i--) { + result.tabStops.push(makeTabStop(result, result.parenTrail.openers[i])); + } + } + + // remove argX if it falls to the right of the next stop + for (i=1; i= x) { + delete result.tabStops[i-1].argX; + } + } +} + +//------------------------------------------------------------------------------ +// High-level processing functions +//------------------------------------------------------------------------------ + +function processChar(result, ch) { + var origCh = ch; + + result.ch = ch; + result.skipChar = false; + + handleChangeDelta(result); + + if (result.trackingIndent) { + checkIndent(result); + } + + if (result.skipChar) { + result.ch = ""; + } + else { + onChar(result); + } + + commitChar(result, origCh); +} + +function processLine(result, lineNo) { + initLine(result); + result.lines.push(result.inputLines[lineNo]); + + setTabStops(result); + + var x; + for (x = 0; x < result.inputLines[lineNo].length; x++) { + result.inputX = x; + processChar(result, result.inputLines[lineNo][x]); + } + processChar(result, NEWLINE); + + if (!result.forceBalance) { + checkUnmatchedOutsideParenTrail(result); + checkLeadingCloseParen(result); + } + + if (result.lineNo === result.parenTrail.lineNo) { + finishNewParenTrail(result); + } +} + +function finalizeResult(result) { + if (result.quoteDanger) { throw error(result, ERROR_QUOTE_DANGER); } + if (result.isInStr) { throw error(result, ERROR_UNCLOSED_QUOTE); } + + if (result.parenStack.length !== 0) { + if (result.mode === PAREN_MODE) { + throw error(result, ERROR_UNCLOSED_PAREN); + } + } + if (result.mode === INDENT_MODE) { + initLine(result); + onIndent(result); + } + result.success = true; +} + +function processError(result, e) { + result.success = false; + if (e.parinferError) { + delete e.parinferError; + result.error = e; + } + else { + result.error.name = ERROR_UNHANDLED; + result.error.message = e.stack; + throw e; + } +} + +function processText(text, options, mode, smart) { + var result = getInitialResult(text, options, mode, smart); + + try { + var i; + for (i = 0; i < result.inputLines.length; i++) { + result.inputLineNo = i; + processLine(result, i); + } + finalizeResult(result); + } + catch (e) { + if (e.leadingCloseParen || e.releaseCursorHold) { + return processText(text, options, PAREN_MODE, smart); + } + processError(result, e); + } + + return result; +} + +//------------------------------------------------------------------------------ +// Public API +//------------------------------------------------------------------------------ + +function publicResult(result) { + var lineEnding = getLineEnding(result.origText); + var final; + if (result.success) { + final = { + text: result.lines.join(lineEnding), + cursorX: result.cursorX, + cursorLine: result.cursorLine, + success: true, + tabStops: result.tabStops, + parenTrails: result.parenTrails + }; + if (result.returnParens) { + final.parens = result.parens; + } + } + else { + final = { + text: result.partialResult ? result.lines.join(lineEnding) : result.origText, + cursorX: result.partialResult ? result.cursorX : result.origCursorX, + cursorLine: result.partialResult ? result.cursorLine : result.origCursorLine, + parenTrails: result.partialResult ? result.parenTrails : null, + success: false, + error: result.error + }; + if (result.partialResult && result.returnParens) { + final.parens = result.parens; + } + } + if (final.cursorX === UINT_NULL) { delete final.cursorX; } + if (final.cursorLine === UINT_NULL) { delete final.cursorLine; } + if (final.tabStops && final.tabStops.length === 0) { delete final.tabStops; } + return final; +} + +function indentMode(text, options) { + options = parseOptions(options); + return publicResult(processText(text, options, INDENT_MODE)); +} + +function parenMode(text, options) { + options = parseOptions(options); + return publicResult(processText(text, options, PAREN_MODE)); +} + +function smartMode(text, options) { + options = parseOptions(options); + var smart = options.selectionStartLine == null; + return publicResult(processText(text, options, INDENT_MODE, smart)); +} + +var API = { + version: "3.12.0", + indentMode: indentMode, + parenMode: parenMode, + smartMode: smartMode +}; + +return API; + +})); // end module anonymous scope diff --git a/docs/parinfer-tester/assets/style.css b/docs/parinfer-tester/assets/style.css new file mode 100644 index 0000000..5c76731 --- /dev/null +++ b/docs/parinfer-tester/assets/style.css @@ -0,0 +1,680 @@ +* { + box-sizing: border-box; +} + +body { + font-family: "Open Sans", Arial, freesans, sans-serif; + color: #555; + background: #F7F7F7; +} + +#xkcd a { + border-bottom: 0; +} + +#xkcd .caption { + padding-top: 0; +} + + +#toc { + text-align: left; + margin-left: 10px; + font-size: 0.9em; +} + +a.header-link { + color: #CCC; + position: absolute; + left: -1em; + border-bottom: 0; +} + +.toc-link a { + border-bottom: 0; + color: #111; +} + +.toc-link { + line-height: 1.6em; + opacity: 0.4; + transition: opacity 0.3s; + margin-top: 2px; + margin-right: 2px; +} + +.toc-hide { + display: none; +} + +.toc-link.toc-active { + border-right: 2px solid #333; + margin-right: 0px; + opacity: 1; +} + +.toc-link.toc-active-ancestor { + border-right: 2px solid #CCC; + margin-right: 0; + opacity: 1; +} + +.toc-level-1 { + display: none; +} + +.toc-level-2 { + padding-left: 10px; +} + +.toc-level-3 { + padding-left: 30px; +} + +.toc-level-4 { + padding-left: 40px; +} + +#controls { + position: fixed; + right: 0; + top: 0; + background-color: rgba(0,255,255,0.3); + margin: 0; + padding: 20px; +} + +.interact { + padding: 20px; + background: #E7EAE9; + border-radius: 8px; + margin: 32px 0; +} + +.interact img { + float: left; + height: 58px; + margin-right: 20px; +} + +.interact:after { + content:''; + display:block; + clear: both; +} + +.paredit-table { + border-collapse: collapse; +} + +.paredit-table th, +.paredit-table td +{ + padding: 14px; + border: 1px solid #cecece; + background: #fefefe; + vertical-align: top; +} + +.paredit-table th +{ + color: #888; + font-style: italic; + background: none; +} + +h1, h2, h3, h4, h5, h6 { + color: #222; + margin-top:0; + margin-bottom: 20px; + position: relative; +} + +h1 { + margin: 32px 0; + text-align: center; + font-size: 48px; + font-weight: 200; +} + +h1 em { + text-decoration: none; + font-style: normal; + opacity: 0.3; +} + +.subtitle { + font-size: 20px; + font-weight: bold; + margin-top: -18px; + margin-bottom: 32px; +} + +.subtitle em { + color: #111; + border-bottom: 1px solid #111; +} + +.features { + color: #888; + list-style-type: square; +} + +a { + border-bottom: 1px solid #CC3385; + color: #CC3385; +} + +a:link, a:visited, a:hover, a:active { + text-decoration: none; +} + +p, li { + line-height: 1.7em; + color: #555; +} + +.sidebar { + width: 300px; + position: fixed; + left: 0; + top: 0; + padding-left: 20px; + padding-bottom: 32px; + height: 100%; + border-right: 1px solid #DDD; + background-color: #f1f1f1; + overflow-y: auto; +} + +.sidebar-logo { + margin:60px 0 0 70px; + display:block +} + +.credits { + font-size: 0.8em; + text-align: center; + margin-top: -20px; + margin-bottom: 20px; +} + +.credits a { + opacity: 0.5; + color: #333; + border-bottom: 0; +} + +#app { + position: absolute; + left: 300px; + top: 0; + right: 0; +} + +.wrapper { + right: 0; + margin:0; + border-top: 1px solid #dedede; +} + +.wrapper.fold { + background: #fefefe; +} + +.wrapper.fold .interact { + background: #f7f7f7; + border: 1px solid #dedede; +} + +.wrapper.fold .title { + font-weight: bold; + font-style: italic; +} + +section { + width: 862px; + padding: 70px; +} + +.wrapper:first-child > section { + margin-top: 0; + padding-top: 0; + border-top: 0; +} + +.caption { + padding-top: 20px; + margin-bottom: 5px; + margin-left: 5px; + font-style: italic; + color: #888; +} + +code { + font-family: Menlo, Consolas, 'DejaVu Sans Mono', monospace; + font-size: 16px; +} + +.CodeMirror { + font-family: Menlo, Consolas, 'DejaVu Sans Mono', monospace; + background: #FEFEFE; + border: 1px solid #EEE; + padding: 5px; + margin-bottom: 20px; +} + +.cm-bracket.cm-eol { + opacity: 0.4; +} + +.two-col { +} + +.col { + float:left; + width: 350px; + margin-right: 10px; +} + +.two-col:after { + content:''; + display:block; + clear: both; +} + +#cm-code-intro { + height: 200px; + margin-bottom: 80px; +} + +#cm-code-lisp-expr, +#cm-code-c-expr +{ + height: 120px; +} + +#cm-code-lisp-indent, +#cm-code-c-indent +{ + height: 174px; +} + +#cm-code-skim, +#cm-code-inspect +{ + height: 96px; +} + +#cm-code-skim span.cm-bracket +{ + opacity: 0.15; + color: #000; +} + +#cm-code-inspect span.cm-keyword, +#cm-code-inspect span.cm-variable, +#cm-code-inspect span.cm-builtin, +#cm-code-inspect span.cm-string, +#cm-code-inspect span.cm-def, +#cm-code-inspect span.cm-atom, +#cm-code-inspect span.cm-number, +#cm-code-inspect span.cm-comment +{ + opacity: 0.15; + color: #000; +} + +#cm-code-indent, +#cm-code-indent-far +{ + height: 70px; +} + +#cm-code-indent-multi, +#cm-code-intro-indent +{ + height: 130px; +} + +#cm-code-line, +#cm-code-intro-insert +{ + height: 150px; +} + +#cm-code-comment, +#cm-code-intro-comment +{ + height: 130px; +} + +#cm-code-wrap, +#cm-code-splice, +#cm-code-slurp, +#cm-code-barf +{ + height: 70px; +} + +#cm-code-string +{ + height: 110px; +} + +#cm-code-displaced, +#cm-code-not-displaced +{ + height: 90px; +} + +#cm-code-indent-input, +#cm-code-indent-output +{ + height: 250px; +} + +#cm-code-indent-output +{ + opacity: 0.75; +} + +#cm-code-indent-output .cm-bracket.cm-eol +{ + opacity: 1; + background: #AAFFC2; +} + +#cm-code-indent-input .cm-bracket.cm-eol, +#cm-code-indent-input .cm-bracket.cm-sol +{ + opacity: 1; + background: #FFBEBE; +} + +.removed { + background: #FFBEBE; +} + +.kept { + background: #FFE8B0; +} + +.inserted { + background: #AAFFC2; +} + +#cm-code-indent-output .cm-bracket.cm-mol, +#cm-code-indent-input .cm-bracket.cm-mol +{ + background: #FFE8B0; +} + +#cm-code-indent-output span.cm-keyword, +#cm-code-indent-output span.cm-variable, +#cm-code-indent-output span.cm-builtin, +#cm-code-indent-output span.cm-string, +#cm-code-indent-output span.cm-def, +#cm-code-indent-output span.cm-atom, +#cm-code-indent-output span.cm-number, +#cm-code-indent-output span.cm-comment, +#cm-code-indent-input span.cm-keyword, +#cm-code-indent-input span.cm-variable, +#cm-code-indent-input span.cm-builtin, +#cm-code-indent-input span.cm-string, +#cm-code-indent-input span.cm-def, +#cm-code-indent-input span.cm-atom, +#cm-code-indent-input span.cm-number, +#cm-code-indent-input span.cm-comment +{ + opacity: 0.3; + color: #000; +} + +#cm-code-warn-good, +#cm-code-warn-bad +{ + font-size: 14px; + height: 110px; +} + +#cm-code-enter +{ + height: 180px; +} + +#cm-code-paren-tune, +#cm-code-paren-frac, +#cm-code-paren-comment, +#cm-code-paren-wrap, +#cm-code-intro-paren +{ + height: 100px; +} + +#cm-code-intro-paredit +{ + height: 100px; +} + +#cm-code-displaced-after-balance, +#cm-code-not-displaced-on-enter, +#cm-code-displaced-after-cursor-leaves +{ + height: 80px; +} + +p.centered +{ + text-align: center; +} + +a.img-link +{ + border-bottom: 0; +} + +blockquote.aside { + border-left: 5px solid #ddd; + margin: 0; + margin-top: 60px; + padding-left: 20px; + opacity: 0.8; +} + +.side-point +{ + font-style: italic; + color: #BBB; +} + +td .side-point +{ + margin-top:5px; +} + +.warning +{ + padding: 20px; + border-radius: 5px; + background: #FFFF7B; +} + +.warning-title +{ + font-weight: bold; + margin-bottom: 10px; +} + +.warning-body +{ + margin-left: 34px; + color: #333; +} + +.green +{ + color: #63CA63; +} + +.red +{ + color: #E84545; +} + +.question +{ + font-weight: bold; +} + +.question i.fa +{ + color: #5380C7; +} + +.answer +{ + margin-left: 22px; +} + +i.fa { + margin-right: 5px; +} + +#cm-code-editor { + height: auto; + float: left; + width: 50%; +} + +#debug-state { + overflow-x: auto; + width: 50%; + white-space: pre; +} + +.state-table { + margin-top: 6px;; + font: 14px Menlo; +} + +.state-table td { + margin: 0; + padding: 0px 10px; + height: 17px; +} + +.state-table .line-no { + opacity: 0.5; +} + +.state-table .line-dy { + text-align: right; +} + +.state-table .active-line { + background: #FF0; +} + + +.gear { + opacity: 0.3; + transition: opacity 0.2s; +} + +.gear.powered { + opacity: 0.8; +} + +.gear.auto-indent-gear +{ + opacity: 0.8; +} + +.gear.auto-indent-gear.invisible +{ + opacity: 0; +} + +.parinfer-gear +{ + opacity: 0.15; +} + +.gearbox { + margin-bottom: 80px; +} + +.lego-img { + width: 100%; + border: 1px solid #EEE; +} + +.math-page { + background: #fefefe; + border: 1px solid #EEE; + padding: 30px; + font-family: "Computer Modern Serif"; + font-size: 18px; +} + +.math-page ul li { + list-style-type: none; +} + +.math-page li { + margin-bottom: 5px; +} + +.where-x { + display: block; + margin: 0 auto; + width: 250px; +} + +.math-page .MathJax { + font-size: 20px; +} + +.math-page .side-note { + float: right; + font-style: italic; + font-size: 0.8em; + color: #BBB; +} + +.only-mobile { + display: none; +} + +@media only screen and (max-width : 850px) { + #app { + position: static; + } + + .sidebar { + display: none; + } + + section { + width: 782px; + padding: 30px; + } + + .wrapper { + border: 0; + } + + h1 { + font-size: 80px; + } + + .credits { + font-size: 1.5em; + } + + .only-mobile { + display: block; + } +} + diff --git a/docs/parinfer-tester/assets/theme.css b/docs/parinfer-tester/assets/theme.css new file mode 100644 index 0000000..3ed9589 --- /dev/null +++ b/docs/parinfer-tester/assets/theme.css @@ -0,0 +1,77 @@ +/* DEFAULT THEME */ + +/* + +.cm-s-default .cm-header {color: blue;} +.cm-s-default .cm-quote {color: #090;} +.cm-negative {color: #d44;} +.cm-positive {color: #292;} +.cm-header, .cm-strong {font-weight: bold;} +.cm-em {font-style: italic;} +.cm-link {text-decoration: underline;} +.cm-strikethrough {text-decoration: line-through;} + +.cm-s-default .cm-keyword {color: #708;} +.cm-s-default .cm-atom {color: #219;} +.cm-s-default .cm-number {color: #164;} +.cm-s-default .cm-def {color: #00f;} +.cm-s-default .cm-variable, +.cm-s-default .cm-punctuation, +.cm-s-default .cm-property, +.cm-s-default .cm-operator {} +.cm-s-default .cm-variable-2 {color: #05a;} +.cm-s-default .cm-variable-3 {color: #085;} +.cm-s-default .cm-comment {color: #a50;} +.cm-s-default .cm-string {color: #a11;} +.cm-s-default .cm-string-2 {color: #f50;}gt +.cm-s-default .cm-meta {color: #555;} +.cm-s-default .cm-qualifier {color: #555;} +.cm-s-default .cm-builtin {color: #30a;} +.cm-s-default .cm-bracket {color: #997;} +.cm-s-default .cm-tag {color: #170;} +.cm-s-default .cm-attribute {color: #00c;} +.cm-s-default .cm-hr {color: #999;} +.cm-s-default .cm-link {color: #00c;} + +.cm-s-default .cm-error {color: #f00;} +.cm-invalidchar {color: #f00;} + +.CodeMirror-composing { border-bottom: 2px solid; } + +/* Default styles for common addons */ + +/* +div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} +div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} +.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); } +.CodeMirror-activeline-background {background: #e8f2ff;} + +.CodeMirror-cursor { + border-left: 1px solid black; + border-right: none; + width: 0; +} +*/ + +.cm-s-github .cm-keyword {color: #a71d5d;} /* clojure core forms */ +.cm-s-github .cm-builtin {color: #a71d5d;} /* clojure core library */ +.cm-s-github .cm-string {color: #183691;} /* clojure strings */ +.cm-s-github .cm-variable {color: #333;} /* clojure misc symbols */ +.cm-s-github .cm-def {color: #795da3;} /* clojure function calls or defs */ +.cm-s-github .cm-atom {color: #0086b3;} /* clojure keyword, bool, nil */ +.cm-s-github .cm-number {color: #0086b3;} /* clojure number */ +.cm-s-github .cm-bracket {color: #333;} /* clojure brackets */ +.cm-s-github .cm-comment {color: #969896; font-style: italic;} /* clojure comment */ + +div.CodeMirror span.CodeMirror-matchingbracket { + background: #e8f2ff; + color: inherit; + border-bottom: 1px solid #111; +} +div.CodeMirror span.CodeMirror-nonmatchingbracket { +} + +/* don't change selection color based on an editor's focus status. */ +.CodeMirror-selected { background: #d7d4f0; /* #d9d9d9 */} +.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } + diff --git a/docs/parinfer-tester/index.html b/docs/parinfer-tester/index.html new file mode 100644 index 0000000..25bf01b --- /dev/null +++ b/docs/parinfer-tester/index.html @@ -0,0 +1,33 @@ + + + + + + + + Parinfer - Tester + + + + + + + + + + + + +
+ + + + + + + + + From b1b9fb1d2c907fa048853196396c65230f02153f Mon Sep 17 00:00:00 2001 From: Tyler Wilding Date: Sat, 17 Dec 2022 14:48:42 -0500 Subject: [PATCH 2/4] env: add `parinfer` dependency, switch to `yarn` --- .github/workflows/build.yaml | 11 +- .github/workflows/lint.yaml | 23 +- .github/workflows/release.yaml | 10 +- decs.d.ts | 1 + package-lock.json | 5421 -------------------------------- package.json | 18 + yarn.lock | 1827 +++++++++++ 7 files changed, 1871 insertions(+), 5440 deletions(-) create mode 100644 decs.d.ts delete mode 100644 package-lock.json create mode 100644 yarn.lock diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml index 026fe47..f8229ef 100644 --- a/.github/workflows/build.yaml +++ b/.github/workflows/build.yaml @@ -22,9 +22,10 @@ jobs: uses: actions/setup-node@v3 with: node-version: 16 - cache: npm + cache: yarn - - name: Install NPM Dependencies and Build Extension - run: | - npm ci - npm run compile + - name: Install Dependencies + run: yarn install --frozen-lockfile + + - name: Build Extension + run: yarn compile diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml index 4d8e0f0..f833c13 100644 --- a/.github/workflows/lint.yaml +++ b/.github/workflows/lint.yaml @@ -20,12 +20,14 @@ jobs: uses: actions/setup-node@v3 with: node-version: 16 - cache: npm + cache: yarn + + - name: Install Dependencies + run: yarn install --frozen-lockfile + + - name: Check Linting + run: yarn lint - - name: Install Dependencies and Check Formatting - run: | - npm ci - npm run lint formatting: name: Formatting runs-on: ubuntu-latest @@ -37,9 +39,10 @@ jobs: uses: actions/setup-node@v3 with: node-version: 16 - cache: npm + cache: yarn + + - name: Install Dependencies + run: yarn install --frozen-lockfile - - name: Install Dependencies and Check Formatting - run: | - npm ci - npm run format:check + - name: Check Linting + run: yarn format:check diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index 5933b44..f427473 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -25,7 +25,10 @@ jobs: uses: actions/setup-node@v3 with: node-version: 16 - cache: npm + cache: yarn + + - name: Install Dependencies + run: yarn install --frozen-lockfile - name: Bump Version env: @@ -33,9 +36,8 @@ jobs: run: | git config --global user.name "OpenGOALBot" git config --global user.email "OpenGOALBot@users.noreply.github.com" - npm ci - npx vsce package - npx vsce publish ${{ github.event.inputs.bump }} + yarn vsce package + yarn vsce publish ${{ github.event.inputs.bump }} git push git push origin $(git tag --points-at HEAD) diff --git a/decs.d.ts b/decs.d.ts new file mode 100644 index 0000000..a0d708e --- /dev/null +++ b/decs.d.ts @@ -0,0 +1 @@ +declare module "parinfer"; diff --git a/package-lock.json b/package-lock.json deleted file mode 100644 index 73a4ed4..0000000 --- a/package-lock.json +++ /dev/null @@ -1,5421 +0,0 @@ -{ - "name": "opengoal", - "version": "0.10.3", - "lockfileVersion": 2, - "requires": true, - "packages": { - "": { - "name": "opengoal", - "version": "0.10.3", - "hasInstallScript": true, - "license": "ISC", - "dependencies": { - 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"https://registry.yarnpkg.com/yazl/-/yazl-2.5.1.tgz#a3d65d3dd659a5b0937850e8609f22fffa2b5c35" + integrity sha512-phENi2PLiHnHb6QBVot+dJnaAZ0xosj7p3fWl+znIjBDlnMI2PsZCJZ306BPTFOaHf5qdDEI8x5qFrSOBN5vrw== + dependencies: + buffer-crc32 "~0.2.3" + +yocto-queue@^0.1.0: + version "0.1.0" + resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b" + integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q== From 7f0986c4c463dc19432abaa25bb9a82e857f49ae Mon Sep 17 00:00:00 2001 From: Tyler Wilding Date: Sat, 17 Dec 2022 14:49:20 -0500 Subject: [PATCH 3/4] goal: implement the bulk of the `parinfer` integration --- src/config/config.ts | 10 + src/extension.ts | 10 + src/goal/parinfer/parinfer.ts | 346 ++++++++++++++++++++++++++++++++++ src/utils/editor-utils.ts | 7 + 4 files changed, 373 insertions(+) create mode 100644 src/goal/parinfer/parinfer.ts create mode 100644 src/utils/editor-utils.ts diff --git a/src/config/config.ts b/src/config/config.ts index d0af58e..45e7575 100644 --- a/src/config/config.ts +++ b/src/config/config.ts @@ -4,6 +4,7 @@ export function getConfig() { const configOptions = vscode.workspace.getConfiguration("opengoal"); return { + opengoalParinferMode: configOptions.get("parinferMode"), launchLspOnStartup: configOptions.get("launchLspOnStartup"), opengoalLspVersion: configOptions.get("opengoalLspVersion"), opengoalLspPath: configOptions.get("opengoalLspPath"), @@ -109,3 +110,12 @@ export async function updateJak2DecompConfigDirectory(dir: string) { vscode.ConfigurationTarget.Global ); } + +export async function updateOpengoalParinferMode(mode: string) { + const userConfig = vscode.workspace.getConfiguration(); + await userConfig.update( + "opengoal.parinferMode", + mode, + vscode.ConfigurationTarget.Global + ); +} diff --git a/src/extension.ts b/src/extension.ts index 75fd4ad..98b67e9 100644 --- a/src/extension.ts +++ b/src/extension.ts @@ -14,6 +14,11 @@ import { IRInlayHintsProvider } from "./languages/ir2/ir2-inlay-hinter"; import { OpenGOALDisasmRenameProvider } from "./languages/opengoal/disasm/opengoal-disasm-renamer"; import { activateMiscDecompTools } from "./decomp/misc-tools"; import { IR2RenameProvider } from "./languages/ir2/ir2-renamer"; +import { + onChangeSelection, + onChangeTextDocument, + registerParinferCommands, +} from "./goal/parinfer/parinfer"; export async function activate(context: vscode.ExtensionContext) { try { @@ -75,6 +80,11 @@ export async function activate(context: vscode.ExtensionContext) { // Start the LSP lsp.activate(context); + + // Parinfer + registerParinferCommands(context); + vscode.workspace.onDidChangeTextDocument(onChangeTextDocument); + vscode.window.onDidChangeTextEditorSelection(onChangeSelection); } catch (err) { vscode.window.showErrorMessage( "Failed to activate OpenGOAL extension, see logs for details" diff --git a/src/goal/parinfer/parinfer.ts b/src/goal/parinfer/parinfer.ts new file mode 100644 index 0000000..77f84e8 --- /dev/null +++ b/src/goal/parinfer/parinfer.ts @@ -0,0 +1,346 @@ +import { indentMode, smartMode, parenMode } from "parinfer"; +import * as vscode from "vscode"; +import { integer } from "vscode-languageclient"; +import { getConfig, updateOpengoalParinferMode } from "../../config/config"; +import { getEditorRange } from "../../utils/editor-utils"; + +// TODO: +// - iron out some quirks around undoing +// - tab stops +// - highlight errors +// - initial paren mode should also trim empty lines + +const opacityDecoration = vscode.window.createTextEditorDecorationType({ + opacity: "0.6", +}); + +function parinferRangeToVSCodeRange(parenTrail: any) { + return new vscode.Range( + parenTrail.lineNo, + parenTrail.startX, + parenTrail.lineNo, + parenTrail.endX + ); +} + +function dimParenTrails(editor: vscode.TextEditor, parenTrails: any) { + const parenTrailsRanges = parenTrails.map(parinferRangeToVSCodeRange); + editor.setDecorations(opacityDecoration, parenTrailsRanges); +} + +function updateParenTrails(editor: vscode.TextEditor, parenTrails: any) { + dimParenTrails(editor, parenTrails); +} + +export enum ParinferMode { + DISABLED = "DISABLED", + INDENT = "INDENT", + PAREN = "PAREN", + SMART = "SMART", +} + +enum EventQueueItemType { + TEXT_CHANGED = "TEXT_CHANGED", + SELECTION_CHANGED = "SELECTION_CHANGED", +} + +interface ParinferChangeEntry { + lineNo: integer; + x: integer; + oldText: string; + newText: string; +} + +interface EventQueueItem { + type: EventQueueItemType; + text: string; + cursorLine?: integer; + cursorX?: integer; + changes?: ParinferChangeEntry[]; + prevCursorLine?: integer; + prevCursorX?: integer; +} + +interface ParinferOptions { + cursorLine: integer; + cursorX: integer; + prevCursorLine?: integer; + prevCursorX?: integer; +} + +const eventQueue: EventQueueItem[] = []; +const maxEventQueueSize = 10; +let currentParinferMode = ParinferMode.DISABLED; + +const parinferStatusItem = vscode.window.createStatusBarItem( + vscode.StatusBarAlignment.Left, + 0 +); + +function updateStatus() { + switch (currentParinferMode) { + case ParinferMode.DISABLED: + parinferStatusItem.text = "$(json) Parinfer Disabled"; + parinferStatusItem.tooltip = "Currently doing nothing! - Change Mode"; + parinferStatusItem.command = "opengoal.parinfer.changeMode"; + break; + case ParinferMode.SMART: + parinferStatusItem.text = "$(json) Smart Parinfer"; + parinferStatusItem.tooltip = + "Automatically runs in Paren or Indent mode - Change Mode"; + parinferStatusItem.command = "opengoal.parinfer.changeMode"; + break; + case ParinferMode.PAREN: + parinferStatusItem.text = "$(json) Paren Parinfer"; + parinferStatusItem.tooltip = + "You handle the parens while parinfer handles indentation! - Change Mode"; + parinferStatusItem.command = "opengoal.parinfer.changeMode"; + break; + case ParinferMode.INDENT: + parinferStatusItem.text = "$(json) Parinfer Disabled"; + parinferStatusItem.tooltip = + "You handle the indentation while parinfer handles the parens! - Change Mode"; + parinferStatusItem.command = "opengoal.parinfer.changeMode"; + break; + default: + break; + } +} + +async function changeParinferMode(mode: ParinferMode) { + currentParinferMode = mode; + await updateOpengoalParinferMode(mode); + updateStatus(); +} + +function cleanUpEventQueue() { + if (eventQueue.length > maxEventQueueSize) { + eventQueue.length = maxEventQueueSize; + } +} + +setInterval(cleanUpEventQueue, 5 * 1000); + +function applyParinfer( + editor: vscode.TextEditor, + text: string, + options: ParinferOptions, + mode: ParinferMode +) { + // console.log(`Options Before - ${JSON.stringify(options, null, 2)}`); + let parinferResult: any; // TODO - make a type def for this + if (mode === ParinferMode.DISABLED) { + return; + } else if (mode === ParinferMode.PAREN) { + parinferResult = parenMode(text, options); + } else if (mode === ParinferMode.INDENT) { + parinferResult = indentMode(text, options); + } else if (mode === ParinferMode.SMART) { + parinferResult = smartMode(text, options); + } + + // TODO - clear decorations when text is removed + + if (text === parinferResult.text) { + updateParenTrails(editor, parinferResult.parenTrails); + return; + } + + editor + .edit( + (selectedText) => { + selectedText.replace(getEditorRange(editor), parinferResult.text); + }, + { + undoStopAfter: false, + undoStopBefore: false, + } + ) + .then(function (editWasApplied) { + if (editWasApplied) { + // set the new cursor position + const newCursorPosition = new vscode.Position( + parinferResult.cursorLine, + parinferResult.cursorX + ); + const nextCursor = new vscode.Selection( + newCursorPosition, + newCursorPosition + ); + editor.selection = nextCursor; + updateParenTrails(editor, parinferResult.parenTrails); + } else { + // TODO: should we do something here if the edit fails? + } + }); +} + +function processEventQueue() { + if ( + eventQueue.length === 0 || + eventQueue[0].type !== EventQueueItemType.SELECTION_CHANGED + ) { + return; + } + + // TODO - wire this up to an event listener too (what order though!) + const activeEditor = vscode.window.activeTextEditor; + if (activeEditor === undefined) { + return; + } + + const selectionEvent = eventQueue[0]; + if ( + selectionEvent.cursorLine === undefined || + selectionEvent.cursorX === undefined + ) { + return; + } + const options: ParinferOptions = { + cursorLine: selectionEvent.cursorLine, + cursorX: selectionEvent.cursorX, + }; + + // check the last two events for previous cursor information + // TODO - not a huge fan of this code -- prevCursor info is only on selectionEvents + // depending on queue ordering is kinda sketchy though + if (eventQueue[1] && eventQueue[1].cursorLine !== undefined) { + options.prevCursorLine = eventQueue[1].cursorLine; + options.prevCursorX = eventQueue[1].cursorX; + } else if (eventQueue[2] && eventQueue[2].cursorLine !== undefined) { + options.prevCursorLine = eventQueue[2].cursorLine; + options.prevCursorX = eventQueue[2].cursorX; + } + + // Document change events happen first, then selection change events + // In otherwords, they should always be in pairs + applyParinfer( + activeEditor, + selectionEvent.text, + options, + currentParinferMode + ); +} + +export function onChangeSelection( + event: vscode.TextEditorSelectionChangeEvent +) { + const editor = event.textEditor; + + if (editor.document.languageId !== "opengoal") { + return; + } + + const selection = event.selections[0]; + + const newQueueEntry: EventQueueItem = { + type: EventQueueItemType.SELECTION_CHANGED, + text: editor.document.getText(), + cursorLine: selection.active.line, + cursorX: selection.active.character, + }; + + eventQueue.unshift(newQueueEntry); + processEventQueue(); +} + +function getTextFromRange(txt: string, range: vscode.Range, length: integer) { + if (length === 0) return ""; + + const firstLine = range.start.line; + const firstChar = range.start.character; + + const lines = txt.split("\n"); + const line = lines[firstLine]; + + return line.substring(firstChar, firstChar + length); +} + +function convertChangeObjects( + oldText: string, + changeEvent: vscode.TextDocumentContentChangeEvent +) { + return { + lineNo: changeEvent.range.start.line, + newText: changeEvent.text, + oldText: getTextFromRange( + oldText, + changeEvent.range, + changeEvent.rangeLength + ), + x: changeEvent.range.start.character, + }; +} + +export function onChangeTextDocument(event: vscode.TextDocumentChangeEvent) { + // drop any events that do not contain document changes + // (usually the first event to a document) + if (event.contentChanges && event.contentChanges.length === 0) { + return; + } + + if (event.document.languageId !== "opengoal") { + return; + } + + const newQueueEntry: EventQueueItem = { + type: EventQueueItemType.TEXT_CHANGED, + text: event.document.getText(), + }; + + // only create a "changes" property if we have a prior event + if (eventQueue[0] && eventQueue[0].text) { + const prevText = eventQueue[0].text; + const convertFn = convertChangeObjects.bind(null, prevText); + newQueueEntry.changes = event.contentChanges.map(convertFn); + } + + eventQueue.unshift(newQueueEntry); +} + +function showChangeModeMenu() { + const items: vscode.QuickPickItem[] = [ + { + label: ParinferMode.DISABLED, + description: "Disable parinfer", + }, + { + label: ParinferMode.SMART, + description: + "Parinfer will try it's best to deduce when to run Paren mode and when to run Indent mode", + }, + { + label: ParinferMode.PAREN, + description: + "Parinfer will handle the indentation, you handle the parens", + }, + { + label: ParinferMode.INDENT, + description: + "Parinfer will handle the parens, you handle the indentation", + }, + ]; + void vscode.window + .showQuickPick(items, { title: "OpenGOAL Change Parinfer Mode" }) + .then((v) => { + if (v !== undefined) { + changeParinferMode(v.label as ParinferMode); + } + }); +} + +export function registerParinferCommands( + context: vscode.ExtensionContext +): void { + changeParinferMode( + (getConfig().opengoalParinferMode as ParinferMode) ?? ParinferMode.DISABLED + ); + updateStatus(); + parinferStatusItem.show(); + context.subscriptions.push( + vscode.commands.registerCommand( + "opengoal.parinfer.changeMode", + showChangeModeMenu + ) + ); +} diff --git a/src/utils/editor-utils.ts b/src/utils/editor-utils.ts new file mode 100644 index 0000000..a3dcf1d --- /dev/null +++ b/src/utils/editor-utils.ts @@ -0,0 +1,7 @@ +import * as vscode from "vscode"; + +export function getEditorRange(editor: vscode.TextEditor) { + const document = editor.document; + const invalidRange = new vscode.Range(0, 0, document.lineCount + 5, 0); + return document.validateRange(invalidRange); +} From 1cef6d7d52a5dd2ce39bb9d0cd966aa6ffd51a4d Mon Sep 17 00:00:00 2001 From: Tyler Wilding Date: Sat, 17 Dec 2022 14:50:19 -0500 Subject: [PATCH 4/4] lint: formatting --- docs/parinfer-tester/assets/codemirror.css | 275 +- docs/parinfer-tester/assets/codemirror.js | 8141 +++++++++++------ .../assets/parinfer-codemirror.js | 1155 +-- docs/parinfer-tester/assets/parinfer.js | 2646 +++--- docs/parinfer-tester/assets/style.css | 216 +- docs/parinfer-tester/assets/theme.css | 46 +- docs/parinfer-tester/index.html | 51 +- package.json | 7 +- 8 files changed, 7752 insertions(+), 4785 deletions(-) diff --git a/docs/parinfer-tester/assets/codemirror.css b/docs/parinfer-tester/assets/codemirror.css index a4a7ce1..e48bba4 100644 --- a/docs/parinfer-tester/assets/codemirror.css +++ b/docs/parinfer-tester/assets/codemirror.css @@ -16,7 +16,8 @@ padding: 0 4px; /* Horizontal padding of content */ } -.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { +.CodeMirror-scrollbar-filler, +.CodeMirror-gutter-filler { background-color: white; /* The little square between H and V scrollbars */ } @@ -27,7 +28,8 @@ background-color: #f7f7f7; white-space: nowrap; } -.CodeMirror-linenumbers {} +.CodeMirror-linenumbers { +} .CodeMirror-linenumber { padding: 0 3px 0 5px; min-width: 20px; @@ -36,8 +38,12 @@ white-space: nowrap; } -.CodeMirror-guttermarker { color: black; } -.CodeMirror-guttermarker-subtle { color: #999; } +.CodeMirror-guttermarker { + color: black; +} +.CodeMirror-guttermarker-subtle { + color: #999; +} /* CURSOR */ @@ -68,25 +74,41 @@ background-color: #7e7; } @-moz-keyframes blink { - 0% {} - 50% { background-color: transparent; } - 100% {} + 0% { + } + 50% { + background-color: transparent; + } + 100% { + } } @-webkit-keyframes blink { - 0% {} - 50% { background-color: transparent; } - 100% {} + 0% { + } + 50% { + background-color: transparent; + } + 100% { + } } @keyframes blink { - 0% {} - 50% { background-color: transparent; } - 100% {} + 0% { + } + 50% { + background-color: transparent; + } + 100% { + } } /* Can style cursor different in overwrite (non-insert) mode */ -.CodeMirror-overwrite .CodeMirror-cursor {} +.CodeMirror-overwrite .CodeMirror-cursor { +} -.cm-tab { display: inline-block; text-decoration: inherit; } +.cm-tab { + display: inline-block; + text-decoration: inherit; +} .CodeMirror-ruler { border-left: 1px solid #ccc; @@ -95,41 +117,99 @@ /* DEFAULT THEME */ -.cm-s-default .cm-header {color: blue;} -.cm-s-default .cm-quote {color: #090;} -.cm-negative {color: #d44;} -.cm-positive {color: #292;} -.cm-header, .cm-strong {font-weight: bold;} -.cm-em {font-style: italic;} -.cm-link {text-decoration: underline;} -.cm-strikethrough {text-decoration: line-through;} - -.cm-s-default .cm-keyword {color: #708;} -.cm-s-default .cm-atom {color: #219;} -.cm-s-default .cm-number {color: #164;} -.cm-s-default .cm-def {color: #00f;} +.cm-s-default .cm-header { + color: blue; +} +.cm-s-default .cm-quote { + color: #090; +} +.cm-negative { + color: #d44; +} +.cm-positive { + color: #292; +} +.cm-header, +.cm-strong { + font-weight: bold; +} +.cm-em { + font-style: italic; +} +.cm-link { + text-decoration: underline; +} +.cm-strikethrough { + text-decoration: line-through; +} + +.cm-s-default .cm-keyword { + color: #708; +} +.cm-s-default .cm-atom { + color: #219; +} +.cm-s-default .cm-number { + color: #164; +} +.cm-s-default .cm-def { + color: #00f; +} .cm-s-default .cm-variable, .cm-s-default .cm-punctuation, .cm-s-default .cm-property, -.cm-s-default .cm-operator {} -.cm-s-default .cm-variable-2 {color: #05a;} -.cm-s-default .cm-variable-3 {color: #085;} -.cm-s-default .cm-comment {color: #a50;} -.cm-s-default .cm-string {color: #a11;} -.cm-s-default .cm-string-2 {color: #f50;} -.cm-s-default .cm-meta {color: #555;} -.cm-s-default .cm-qualifier {color: #555;} -.cm-s-default .cm-builtin {color: #30a;} -.cm-s-default .cm-bracket {color: #997;} -.cm-s-default .cm-tag {color: #170;} -.cm-s-default .cm-attribute {color: #00c;} -.cm-s-default .cm-hr {color: #999;} -.cm-s-default .cm-link {color: #00c;} - -.cm-s-default .cm-error {color: #f00;} -.cm-invalidchar {color: #f00;} - -.CodeMirror-composing { border-bottom: 2px solid; } +.cm-s-default .cm-operator { +} +.cm-s-default .cm-variable-2 { + color: #05a; +} +.cm-s-default .cm-variable-3 { + color: #085; +} +.cm-s-default .cm-comment { + color: #a50; +} +.cm-s-default .cm-string { + color: #a11; +} +.cm-s-default .cm-string-2 { + color: #f50; +} +.cm-s-default .cm-meta { + color: #555; +} +.cm-s-default .cm-qualifier { + color: #555; +} +.cm-s-default .cm-builtin { + color: #30a; +} +.cm-s-default .cm-bracket { + color: #997; +} +.cm-s-default .cm-tag { + color: #170; +} +.cm-s-default .cm-attribute { + color: #00c; +} +.cm-s-default .cm-hr { + color: #999; +} +.cm-s-default .cm-link { + color: #00c; +} + +.cm-s-default .cm-error { + color: #f00; +} +.cm-invalidchar { + color: #f00; +} + +.CodeMirror-composing { + border-bottom: 2px solid; +} /* Default styles for common addons */ @@ -137,8 +217,12 @@ div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} */ -.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); } -.CodeMirror-activeline-background {background: #e8f2ff;} +.CodeMirror-matchingtag { + background: rgba(255, 150, 0, 0.3); +} +.CodeMirror-activeline-background { + background: #e8f2ff; +} /* STOP */ @@ -155,7 +239,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} overflow: scroll !important; /* Things will break if this is overridden */ /* 30px is the magic margin used to hide the element's real scrollbars */ /* See overflow: hidden in .CodeMirror */ - margin-bottom: -30px; margin-right: -30px; + margin-bottom: -30px; + margin-right: -30px; padding-bottom: 30px; height: 100%; outline: none; /* Prevent dragging from highlighting the element */ @@ -169,30 +254,39 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} /* The fake, visible scrollbars. Used to force redraw during scrolling before actuall scrolling happens, thus preventing shaking and flickering artifacts. */ -.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { +.CodeMirror-vscrollbar, +.CodeMirror-hscrollbar, +.CodeMirror-scrollbar-filler, +.CodeMirror-gutter-filler { position: absolute; z-index: 6; display: none; } .CodeMirror-vscrollbar { - right: 0; top: 0; + right: 0; + top: 0; overflow-x: hidden; overflow-y: scroll; } .CodeMirror-hscrollbar { - bottom: 0; left: 0; + bottom: 0; + left: 0; overflow-y: hidden; overflow-x: scroll; } .CodeMirror-scrollbar-filler { - right: 0; bottom: 0; + right: 0; + bottom: 0; } .CodeMirror-gutter-filler { - left: 0; bottom: 0; + left: 0; + bottom: 0; } .CodeMirror-gutters { - position: absolute; left: 0; top: 0; + position: absolute; + left: 0; + top: 0; z-index: 3; } .CodeMirror-gutter { @@ -201,8 +295,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} display: inline-block; margin-bottom: -30px; /* Hack to make IE7 behave */ - *zoom:1; - *display:inline; + *zoom: 1; + *display: inline; } .CodeMirror-gutter-wrapper { position: absolute; @@ -212,7 +306,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} } .CodeMirror-gutter-background { position: absolute; - top: 0; bottom: 0; + top: 0; + bottom: 0; z-index: 4; } .CodeMirror-gutter-elt { @@ -232,7 +327,9 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} } .CodeMirror pre { /* Reset some styles that the rest of the page might have set */ - -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0; + -moz-border-radius: 0; + -webkit-border-radius: 0; + border-radius: 0; border-width: 0; background: transparent; font-family: inherit; @@ -255,7 +352,10 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} .CodeMirror-linebackground { position: absolute; - left: 0; right: 0; top: 0; bottom: 0; + left: 0; + right: 0; + top: 0; + bottom: 0; z-index: 0; } @@ -265,7 +365,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} overflow: auto; } -.CodeMirror-widget {} +.CodeMirror-widget { +} .CodeMirror-code { outline: none; @@ -289,8 +390,12 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} visibility: hidden; } -.CodeMirror-cursor { position: absolute; } -.CodeMirror-measure pre { position: static; } +.CodeMirror-cursor { + position: absolute; +} +.CodeMirror-measure pre { + position: static; +} div.CodeMirror-cursors { visibility: hidden; @@ -305,22 +410,40 @@ div.CodeMirror-dragcursors { visibility: visible; } -.CodeMirror-selected { background: #d9d9d9; } -.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } -.CodeMirror-crosshair { cursor: crosshair; } -.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; } -.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; } +.CodeMirror-selected { + background: #d9d9d9; +} +.CodeMirror-focused .CodeMirror-selected { + background: #d7d4f0; +} +.CodeMirror-crosshair { + cursor: crosshair; +} +.CodeMirror-line::selection, +.CodeMirror-line > span::selection, +.CodeMirror-line > span > span::selection { + background: #d7d4f0; +} +.CodeMirror-line::-moz-selection, +.CodeMirror-line > span::-moz-selection, +.CodeMirror-line > span > span::-moz-selection { + background: #d7d4f0; +} .cm-searching { background: #ffa; - background: rgba(255, 255, 0, .4); + background: rgba(255, 255, 0, 0.4); } /* IE7 hack to prevent it from returning funny offsetTops on the spans */ -.CodeMirror span { *vertical-align: text-bottom; } +.CodeMirror span { + *vertical-align: text-bottom; +} /* Used to force a border model for a node */ -.cm-force-border { padding-right: .1px; } +.cm-force-border { + padding-right: 0.1px; +} @media print { /* Hide the cursor when printing */ @@ -330,7 +453,11 @@ div.CodeMirror-dragcursors { } /* See issue #2901 */ -.cm-tab-wrap-hack:after { content: ''; } +.cm-tab-wrap-hack:after { + content: ""; +} /* Help users use markselection to safely style text background */ -span.CodeMirror-selectedtext { background: none; } +span.CodeMirror-selectedtext { + background: none; +} diff --git a/docs/parinfer-tester/assets/codemirror.js b/docs/parinfer-tester/assets/codemirror.js index 521443b..1215fd8 100644 --- a/docs/parinfer-tester/assets/codemirror.js +++ b/docs/parinfer-tester/assets/codemirror.js @@ -1,6 +1,6 @@ /* * Some modifications made for Parinfer. Search PARINFER EDIT below -*/ + */ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE @@ -11,14 +11,16 @@ // You can find some technical background for some of the code below // at http://marijnhaverbeke.nl/blog/#cm-internals . -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS +(function (mod) { + if (typeof exports == "object" && typeof module == "object") + // CommonJS module.exports = mod(); - else if (typeof define == "function" && define.amd) // AMD + else if (typeof define == "function" && define.amd) + // AMD return define([], mod); - else // Plain browser env - this.CodeMirror = mod(); -})(function() { + // Plain browser env + else this.CodeMirror = mod(); +})(function () { "use strict"; // BROWSER SNIFFING @@ -28,7 +30,9 @@ var gecko = /gecko\/\d/i.test(navigator.userAgent); var ie_upto10 = /MSIE \d/.test(navigator.userAgent); - var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent); + var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec( + navigator.userAgent + ); var ie = ie_upto10 || ie_11up; var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); var webkit = /WebKit\//.test(navigator.userAgent); @@ -36,24 +40,40 @@ var chrome = /Chrome\//.test(navigator.userAgent); var presto = /Opera\//.test(navigator.userAgent); var safari = /Apple Computer/.test(navigator.vendor); - var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test( + navigator.userAgent + ); var phantom = /PhantomJS/.test(navigator.userAgent); - var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); + var ios = + /AppleWebKit/.test(navigator.userAgent) && + /Mobile\/\w+/.test(navigator.userAgent); // This is woefully incomplete. Suggestions for alternative methods welcome. - var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent); + var mobile = + ios || + /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test( + navigator.userAgent + ); var mac = ios || /Mac/.test(navigator.platform); var windows = /win/i.test(navigator.platform); - var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/); + var presto_version = + presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/); if (presto_version) presto_version = Number(presto_version[1]); - if (presto_version && presto_version >= 15) { presto = false; webkit = true; } + if (presto_version && presto_version >= 15) { + presto = false; + webkit = true; + } // Some browsers use the wrong event properties to signal cmd/ctrl on OS X - var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); + var flipCtrlCmd = + mac && + (qtwebkit || + (presto && (presto_version == null || presto_version < 12.11))); var captureRightClick = gecko || (ie && ie_version >= 9); // Optimize some code when these features are not used. - var sawReadOnlySpans = false, sawCollapsedSpans = false; + var sawReadOnlySpans = false, + sawCollapsedSpans = false; // EDITOR CONSTRUCTOR @@ -69,11 +89,12 @@ setGuttersForLineNumbers(options); var doc = options.value; - if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); + if (typeof doc == "string") + doc = new Doc(doc, options.mode, null, options.lineSeparator); this.doc = doc; var input = new CodeMirror.inputStyles[options.inputStyle](this); - var display = this.display = new Display(place, doc, input); + var display = (this.display = new Display(place, doc, input)); display.wrapper.CodeMirror = this; updateGutters(this); themeChanged(this); @@ -83,26 +104,30 @@ initScrollbars(this); this.state = { - keyMaps: [], // stores maps added by addKeyMap + keyMaps: [], // stores maps added by addKeyMap overlays: [], // highlighting overlays, as added by addOverlay - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info overwrite: false, delayingBlurEvent: false, focused: false, suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll + pasteIncoming: false, + cutIncoming: false, // help recognize paste/cut edits in input.poll selectingText: false, draggingText: false, highlight: new Delayed(), // stores highlight worker timeout - keySeq: null, // Unfinished key sequence - specialChars: null + keySeq: null, // Unfinished key sequence + specialChars: null, }; var cm = this; // Override magic textarea content restore that IE sometimes does // on our hidden textarea on reload - if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); + if (ie && ie_version < 11) + setTimeout(function () { + cm.display.input.reset(true); + }, 20); registerEventHandlers(this); ensureGlobalHandlers(); @@ -113,19 +138,22 @@ if ((options.autofocus && !mobile) || cm.hasFocus()) setTimeout(bind(onFocus, this), 20); - else - onBlur(this); + else onBlur(this); - for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) - optionHandlers[opt](this, options[opt], Init); + for (var opt in optionHandlers) + if (optionHandlers.hasOwnProperty(opt)) + optionHandlers[opt](this, options[opt], Init); maybeUpdateLineNumberWidth(this); if (options.finishInit) options.finishInit(this); for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); endOperation(this); // Suppress optimizelegibility in Webkit, since it breaks text // measuring on line wrapping boundaries. - if (webkit && options.lineWrapping && - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + if ( + webkit && + options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility" + ) display.lineDiv.style.textRendering = "auto"; } @@ -156,28 +184,53 @@ // When lines outside of the viewport are measured, they are drawn in this. d.lineMeasure = elt("div", null, "CodeMirror-measure"); // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], - null, "position: relative; outline: none"); + d.lineSpace = elt( + "div", + [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + null, + "position: relative; outline: none" + ); // Moved around its parent to cover visible view. - d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); + d.mover = elt( + "div", + [elt("div", [d.lineSpace], "CodeMirror-lines")], + null, + "position: relative" + ); // Set to the height of the document, allowing scrolling. d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); d.sizerWidth = null; // Behavior of elts with overflow: auto and padding is // inconsistent across browsers. This is used to ensure the // scrollable area is big enough. - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); + d.heightForcer = elt( + "div", + null, + null, + "position: absolute; height: " + scrollerGap + "px; width: 1px;" + ); // Will contain the gutters, if any. d.gutters = elt("div", null, "CodeMirror-gutters"); d.lineGutter = null; // Actual scrollable element. - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); + d.scroller = elt( + "div", + [d.sizer, d.heightForcer, d.gutters], + "CodeMirror-scroll" + ); d.scroller.setAttribute("tabIndex", "-1"); // The element in which the editor lives. - d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); + d.wrapper = elt( + "div", + [d.scrollbarFiller, d.gutterFiller, d.scroller], + "CodeMirror" + ); // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) - if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } + if (ie && ie_version < 8) { + d.gutters.style.zIndex = -1; + d.scroller.style.paddingRight = 0; + } if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; if (place) { @@ -243,7 +296,7 @@ } function resetModeState(cm) { - cm.doc.iter(function(line) { + cm.doc.iter(function (line) { if (line.stateAfter) line.stateAfter = null; if (line.styles) line.styles = null; }); @@ -265,40 +318,49 @@ estimateLineHeights(cm); regChange(cm); clearCaches(cm); - setTimeout(function(){updateScrollbars(cm);}, 100); + setTimeout(function () { + updateScrollbars(cm); + }, 100); } // Returns a function that estimates the height of a line, to use as // first approximation until the line becomes visible (and is thus // properly measurable). function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); - return function(line) { + var th = textHeight(cm.display), + wrapping = cm.options.lineWrapping; + var perLine = + wrapping && + Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); + return function (line) { if (lineIsHidden(cm.doc, line)) return 0; var widgetsHeight = 0; - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) { - if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; - } + if (line.widgets) + for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; + } if (wrapping) - return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th; - else - return widgetsHeight + th; + return ( + widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th + ); + else return widgetsHeight + th; }; } function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm); - doc.iter(function(line) { + var doc = cm.doc, + est = estimateHeight(cm); + doc.iter(function (line) { var estHeight = est(line); if (estHeight != line.height) updateLineHeight(line, estHeight); }); } function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.display.wrapper.className = + cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); clearCaches(cm); } @@ -306,17 +368,22 @@ function guttersChanged(cm) { updateGutters(cm); regChange(cm); - setTimeout(function(){alignHorizontally(cm);}, 20); + setTimeout(function () { + alignHorizontally(cm); + }, 20); } // Rebuild the gutter elements, ensure the margin to the left of the // code matches their width. function updateGutters(cm) { - var gutters = cm.display.gutters, specs = cm.options.gutters; + var gutters = cm.display.gutters, + specs = cm.options.gutters; removeChildren(gutters); for (var i = 0; i < specs.length; ++i) { var gutterClass = specs[i]; - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); + var gElt = gutters.appendChild( + elt("div", null, "CodeMirror-gutter " + gutterClass) + ); if (gutterClass == "CodeMirror-linenumbers") { cm.display.lineGutter = gElt; gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; @@ -336,14 +403,16 @@ // other lines onto it. function lineLength(line) { if (line.height == 0) return 0; - var len = line.text.length, merged, cur = line; - while (merged = collapsedSpanAtStart(cur)) { + var len = line.text.length, + merged, + cur = line; + while ((merged = collapsedSpanAtStart(cur))) { var found = merged.find(0, true); cur = found.from.line; len += found.from.ch - found.to.ch; } cur = line; - while (merged = collapsedSpanAtEnd(cur)) { + while ((merged = collapsedSpanAtEnd(cur))) { var found = merged.find(0, true); len -= cur.text.length - found.from.ch; cur = found.to.line; @@ -354,11 +423,12 @@ // Find the longest line in the document. function findMaxLine(cm) { - var d = cm.display, doc = cm.doc; + var d = cm.display, + doc = cm.doc; d.maxLine = getLine(doc, doc.first); d.maxLineLength = lineLength(d.maxLine); d.maxLineChanged = true; - doc.iter(function(line) { + doc.iter(function (line) { var len = lineLength(line); if (len > d.maxLineLength) { d.maxLineLength = len; @@ -384,110 +454,137 @@ // Prepare DOM reads needed to update the scrollbars. Done in one // shot to minimize update/measure roundtrips. function measureForScrollbars(cm) { - var d = cm.display, gutterW = d.gutters.offsetWidth; + var d = cm.display, + gutterW = d.gutters.offsetWidth; var docH = Math.round(cm.doc.height + paddingVert(cm.display)); return { clientHeight: d.scroller.clientHeight, viewHeight: d.wrapper.clientHeight, - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + scrollWidth: d.scroller.scrollWidth, + clientWidth: d.scroller.clientWidth, viewWidth: d.wrapper.clientWidth, barLeft: cm.options.fixedGutter ? gutterW : 0, docHeight: docH, scrollHeight: docH + scrollGap(cm) + d.barHeight, nativeBarWidth: d.nativeBarWidth, - gutterWidth: gutterW + gutterWidth: gutterW, }; } function NativeScrollbars(place, scroll, cm) { this.cm = cm; - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); - place(vert); place(horiz); - - on(vert, "scroll", function() { + var vert = (this.vert = elt( + "div", + [elt("div", null, null, "min-width: 1px")], + "CodeMirror-vscrollbar" + )); + var horiz = (this.horiz = elt( + "div", + [elt("div", null, null, "height: 100%; min-height: 1px")], + "CodeMirror-hscrollbar" + )); + place(vert); + place(horiz); + + on(vert, "scroll", function () { if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); }); - on(horiz, "scroll", function() { + on(horiz, "scroll", function () { if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); }); this.checkedOverlay = false; // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; - } - - NativeScrollbars.prototype = copyObj({ - update: function(measure) { - var needsH = measure.scrollWidth > measure.clientWidth + 1; - var needsV = measure.scrollHeight > measure.clientHeight + 1; - var sWidth = measure.nativeBarWidth; - - if (needsV) { - this.vert.style.display = "block"; - this.vert.style.bottom = needsH ? sWidth + "px" : "0"; - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); - // A bug in IE8 can cause this value to be negative, so guard it. - this.vert.firstChild.style.height = - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; - } else { - this.vert.style.display = ""; - this.vert.firstChild.style.height = "0"; - } + if (ie && ie_version < 8) + this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; + } + + NativeScrollbars.prototype = copyObj( + { + update: function (measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max( + 0, + measure.scrollHeight - measure.clientHeight + totalHeight + ) + "px"; + } else { + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; + } - if (needsH) { - this.horiz.style.display = "block"; - this.horiz.style.right = needsV ? sWidth + "px" : "0"; - this.horiz.style.left = measure.barLeft + "px"; - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); - this.horiz.firstChild.style.width = - (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; - } else { - this.horiz.style.display = ""; - this.horiz.firstChild.style.width = "0"; - } + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = + measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + measure.scrollWidth - measure.clientWidth + totalWidth + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } - if (!this.checkedOverlay && measure.clientHeight > 0) { - if (sWidth == 0) this.overlayHack(); - this.checkedOverlay = true; - } + if (!this.checkedOverlay && measure.clientHeight > 0) { + if (sWidth == 0) this.overlayHack(); + this.checkedOverlay = true; + } - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; - }, - setScrollLeft: function(pos) { - if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; - }, - setScrollTop: function(pos) { - if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; - }, - overlayHack: function() { - var w = mac && !mac_geMountainLion ? "12px" : "18px"; - this.horiz.style.minHeight = this.vert.style.minWidth = w; - var self = this; - var barMouseDown = function(e) { - if (e_target(e) != self.vert && e_target(e) != self.horiz) - operation(self.cm, onMouseDown)(e); - }; - on(this.vert, "mousedown", barMouseDown); - on(this.horiz, "mousedown", barMouseDown); + return { right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0 }; + }, + setScrollLeft: function (pos) { + if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; + }, + setScrollTop: function (pos) { + if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; + }, + overlayHack: function () { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.minHeight = this.vert.style.minWidth = w; + var self = this; + var barMouseDown = function (e) { + if (e_target(e) != self.vert && e_target(e) != self.horiz) + operation(self.cm, onMouseDown)(e); + }; + on(this.vert, "mousedown", barMouseDown); + on(this.horiz, "mousedown", barMouseDown); + }, + clear: function () { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + }, }, - clear: function() { - var parent = this.horiz.parentNode; - parent.removeChild(this.horiz); - parent.removeChild(this.vert); - } - }, NativeScrollbars.prototype); + NativeScrollbars.prototype + ); function NullScrollbars() {} - NullScrollbars.prototype = copyObj({ - update: function() { return {bottom: 0, right: 0}; }, - setScrollLeft: function() {}, - setScrollTop: function() {}, - clear: function() {} - }, NullScrollbars.prototype); + NullScrollbars.prototype = copyObj( + { + update: function () { + return { bottom: 0, right: 0 }; + }, + setScrollLeft: function () {}, + setScrollTop: function () {}, + clear: function () {}, + }, + NullScrollbars.prototype + ); - CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + CodeMirror.scrollbarModel = { + native: NativeScrollbars, + null: NullScrollbars, + }; function initScrollbars(cm) { if (cm.display.scrollbars) { @@ -496,30 +593,46 @@ rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } - cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); - // Prevent clicks in the scrollbars from killing focus - on(node, "mousedown", function() { - if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); - }); - node.setAttribute("cm-not-content", "true"); - }, function(pos, axis) { - if (axis == "horizontal") setScrollLeft(cm, pos); - else setScrollTop(cm, pos); - }, cm); + cm.display.scrollbars = new CodeMirror.scrollbarModel[ + cm.options.scrollbarStyle + ]( + function (node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function () { + if (cm.state.focused) + setTimeout(function () { + cm.display.input.focus(); + }, 0); + }); + node.setAttribute("cm-not-content", "true"); + }, + function (pos, axis) { + if (axis == "horizontal") setScrollLeft(cm, pos); + else setScrollTop(cm, pos); + }, + cm + ); if (cm.display.scrollbars.addClass) addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } function updateScrollbars(cm, measure) { if (!measure) measure = measureForScrollbars(cm); - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + var startWidth = cm.display.barWidth, + startHeight = cm.display.barHeight; updateScrollbarsInner(cm, measure); - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + for ( + var i = 0; + (i < 4 && startWidth != cm.display.barWidth) || + startHeight != cm.display.barHeight; + i++ + ) { if (startWidth != cm.display.barWidth && cm.options.lineWrapping) updateHeightsInViewport(cm); updateScrollbarsInner(cm, measureForScrollbars(cm)); - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; + startWidth = cm.display.barWidth; + startHeight = cm.display.barHeight; } } @@ -537,7 +650,11 @@ d.scrollbarFiller.style.height = sizes.bottom + "px"; d.scrollbarFiller.style.width = sizes.right + "px"; } else d.scrollbarFiller.style.display = ""; - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + if ( + sizes.bottom && + cm.options.coverGutterNextToScrollbar && + cm.options.fixedGutter + ) { d.gutterFiller.style.display = "block"; d.gutterFiller.style.height = sizes.bottom + "px"; d.gutterFiller.style.width = measure.gutterWidth + "px"; @@ -548,24 +665,38 @@ // the the current scroll position). viewport may contain top, // height, and ensure (see op.scrollToPos) properties. function visibleLines(display, doc, viewport) { - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; + var top = + viewport && viewport.top != null + ? Math.max(0, viewport.top) + : display.scroller.scrollTop; top = Math.floor(top - paddingTop(display)); - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; + var bottom = + viewport && viewport.bottom != null + ? viewport.bottom + : top + display.wrapper.clientHeight; - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); + var from = lineAtHeight(doc, top), + to = lineAtHeight(doc, bottom); // Ensure is a {from: {line, ch}, to: {line, ch}} object, and // forces those lines into the viewport (if possible). if (viewport && viewport.ensure) { - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; + var ensureFrom = viewport.ensure.from.line, + ensureTo = viewport.ensure.to.line; if (ensureFrom < from) { from = ensureFrom; - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + to = lineAtHeight( + doc, + heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight + ); } else if (Math.min(ensureTo, doc.lastLine()) >= to) { - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + from = lineAtHeight( + doc, + heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight + ); to = ensureTo; } } - return {from: from, to: Math.max(to, from + 1)}; + return { from: from, to: Math.max(to, from + 1) }; } // LINE NUMBERS @@ -573,19 +704,29 @@ // Re-align line numbers and gutter marks to compensate for // horizontal scrolling. function alignHorizontally(cm) { - var display = cm.display, view = display.view; - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; - var gutterW = display.gutters.offsetWidth, left = comp + "px"; - for (var i = 0; i < view.length; i++) if (!view[i].hidden) { - if (cm.options.fixedGutter && view[i].gutter) - view[i].gutter.style.left = left; - var align = view[i].alignable; - if (align) for (var j = 0; j < align.length; j++) - align[j].style.left = left; - } + var display = cm.display, + view = display.view; + if ( + !display.alignWidgets && + (!display.gutters.firstChild || !cm.options.fixedGutter) + ) + return; + var comp = + compensateForHScroll(display) - + display.scroller.scrollLeft + + cm.doc.scrollLeft; + var gutterW = display.gutters.offsetWidth, + left = comp + "px"; + for (var i = 0; i < view.length; i++) + if (!view[i].hidden) { + if (cm.options.fixedGutter && view[i].gutter) + view[i].gutter.style.left = left; + var align = view[i].alignable; + if (align) + for (var j = 0; j < align.length; j++) align[j].style.left = left; + } if (cm.options.fixedGutter) - display.gutters.style.left = (comp + gutterW) + "px"; + display.gutters.style.left = comp + gutterW + "px"; } // Used to ensure that the line number gutter is still the right @@ -593,13 +734,22 @@ // is needed. function maybeUpdateLineNumberWidth(cm) { if (!cm.options.lineNumbers) return false; - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; + var doc = cm.doc, + last = lineNumberFor(cm.options, doc.first + doc.size - 1), + display = cm.display; if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")); - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + var test = display.measure.appendChild( + elt( + "div", + [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt" + ) + ); + var innerW = test.firstChild.offsetWidth, + padding = test.offsetWidth - innerW; display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; + display.lineNumInnerWidth = + Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; display.lineNumWidth = display.lineNumInnerWidth + padding; display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; display.lineGutter.style.width = display.lineNumWidth + "px"; @@ -617,7 +767,10 @@ // but using getBoundingClientRect to get a sub-pixel-accurate // result. function compensateForHScroll(display) { - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; + return ( + display.scroller.getBoundingClientRect().left - + display.sizer.getBoundingClientRect().left + ); } // DISPLAY DRAWING @@ -637,11 +790,10 @@ this.events = []; } - DisplayUpdate.prototype.signal = function(emitter, type) { - if (hasHandler(emitter, type)) - this.events.push(arguments); + DisplayUpdate.prototype.signal = function (emitter, type) { + if (hasHandler(emitter, type)) this.events.push(arguments); }; - DisplayUpdate.prototype.finish = function() { + DisplayUpdate.prototype.finish = function () { for (var i = 0; i < this.events.length; i++) signal.apply(null, this.events[i]); }; @@ -649,7 +801,8 @@ function maybeClipScrollbars(cm) { var display = cm.display; if (!display.scrollbarsClipped && display.scroller.offsetWidth) { - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.nativeBarWidth = + display.scroller.offsetWidth - display.scroller.clientWidth; display.heightForcer.style.height = scrollGap(cm) + "px"; display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; @@ -661,7 +814,8 @@ // (returning false) when there is nothing to be done and forced is // false. function updateDisplayIfNeeded(cm, update) { - var display = cm.display, doc = cm.doc; + var display = cm.display, + doc = cm.doc; if (update.editorIsHidden) { resetView(cm); @@ -669,10 +823,15 @@ } // Bail out if the visible area is already rendered and nothing changed. - if (!update.force && - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - display.renderedView == display.view && countDirtyView(cm) == 0) + if ( + !update.force && + update.visible.from >= display.viewFrom && + update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || + display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && + countDirtyView(cm) == 0 + ) return false; if (maybeUpdateLineNumberWidth(cm)) { @@ -682,17 +841,25 @@ // Compute a suitable new viewport (from & to) var end = doc.first + doc.size; - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); + var from = Math.max( + update.visible.from - cm.options.viewportMargin, + doc.first + ); var to = Math.min(end, update.visible.to + cm.options.viewportMargin); - if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); - if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); + if (display.viewFrom < from && from - display.viewFrom < 20) + from = Math.max(doc.first, display.viewFrom); + if (display.viewTo > to && display.viewTo - to < 20) + to = Math.min(end, display.viewTo); if (sawCollapsedSpans) { from = visualLineNo(cm.doc, from); to = visualLineEndNo(cm.doc, to); } - var different = from != display.viewFrom || to != display.viewTo || - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; + var different = + from != display.viewFrom || + to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || + display.lastWrapWidth != update.wrapperWidth; adjustView(cm, from, to); display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); @@ -700,8 +867,14 @@ cm.display.mover.style.top = display.viewOffset + "px"; var toUpdate = countDirtyView(cm); - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + if ( + !different && + toUpdate == 0 && + !update.force && + display.renderedView == display.view && + (display.updateLineNumbers == null || + display.updateLineNumbers >= display.viewTo) + ) return false; // For big changes, we hide the enclosing element during the @@ -713,7 +886,8 @@ display.renderedView = display.view; // There might have been a widget with a focused element that got // hidden or updated, if so re-focus it. - if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); + if (focused && activeElt() != focused && focused.offsetHeight) + focused.focus(); // Prevent selection and cursors from interfering with the scroll // width and height. @@ -734,15 +908,27 @@ function postUpdateDisplay(cm, update) { var viewport = update.viewport; - for (var first = true;; first = false) { - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + for (var first = true; ; first = false) { + if ( + !first || + !cm.options.lineWrapping || + update.oldDisplayWidth == displayWidth(cm) + ) { // Clip forced viewport to actual scrollable area. if (viewport && viewport.top != null) - viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; + viewport = { + top: Math.min( + cm.doc.height + paddingVert(cm.display) - displayHeight(cm), + viewport.top + ), + }; // Updated line heights might result in the drawn area not // actually covering the viewport. Keep looping until it does. update.visible = visibleLines(cm.display, cm.doc, viewport); - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + if ( + update.visible.from >= cm.display.viewFrom && + update.visible.to <= cm.display.viewTo + ) break; } if (!updateDisplayIfNeeded(cm, update)) break; @@ -754,9 +940,19 @@ } update.signal(cm, "update", cm); - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + if ( + cm.display.viewFrom != cm.display.reportedViewFrom || + cm.display.viewTo != cm.display.reportedViewTo + ) { + update.signal( + cm, + "viewportChange", + cm, + cm.display.viewFrom, + cm.display.viewTo + ); + cm.display.reportedViewFrom = cm.display.viewFrom; + cm.display.reportedViewTo = cm.display.viewTo; } } @@ -777,7 +973,8 @@ cm.display.sizer.style.minHeight = measure.docHeight + "px"; var total = measure.docHeight + cm.display.barHeight; cm.display.heightForcer.style.top = total + "px"; - cm.display.gutters.style.height = Math.max(total + scrollGap(cm), measure.clientHeight) + "px"; + cm.display.gutters.style.height = + Math.max(total + scrollGap(cm), measure.clientHeight) + "px"; } // Read the actual heights of the rendered lines, and update their @@ -786,7 +983,8 @@ var display = cm.display; var prevBottom = display.lineDiv.offsetTop; for (var i = 0; i < display.view.length; i++) { - var cur = display.view[i], height; + var cur = display.view[i], + height; if (cur.hidden) continue; if (ie && ie_version < 8) { var bot = cur.node.offsetTop + cur.node.offsetHeight; @@ -798,11 +996,12 @@ } var diff = cur.line.height - height; if (height < 2) height = textHeight(display); - if (diff > .001 || diff < -.001) { + if (diff > 0.001 || diff < -0.001) { updateLineHeight(cur.line, height); updateWidgetHeight(cur.line); - if (cur.rest) for (var j = 0; j < cur.rest.length; j++) - updateWidgetHeight(cur.rest[j]); + if (cur.rest) + for (var j = 0; j < cur.rest.length; j++) + updateWidgetHeight(cur.rest[j]); } } } @@ -810,24 +1009,29 @@ // Read and store the height of line widgets associated with the // given line. function updateWidgetHeight(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) - line.widgets[i].height = line.widgets[i].node.offsetHeight; + if (line.widgets) + for (var i = 0; i < line.widgets.length; ++i) + line.widgets[i].height = line.widgets[i].node.offsetHeight; } // Do a bulk-read of the DOM positions and sizes needed to draw the // view, so that we don't interleave reading and writing to the DOM. function getDimensions(cm) { - var d = cm.display, left = {}, width = {}; + var d = cm.display, + left = {}, + width = {}; var gutterLeft = d.gutters.clientLeft; for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; width[cm.options.gutters[i]] = n.clientWidth; } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth}; + return { + fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth, + }; } // Sync the actual display DOM structure with display.view, removing @@ -835,39 +1039,48 @@ // that are not there yet, and updating the ones that are out of // date. function patchDisplay(cm, updateNumbersFrom, dims) { - var display = cm.display, lineNumbers = cm.options.lineNumbers; - var container = display.lineDiv, cur = container.firstChild; + var display = cm.display, + lineNumbers = cm.options.lineNumbers; + var container = display.lineDiv, + cur = container.firstChild; function rm(node) { var next = node.nextSibling; // Works around a throw-scroll bug in OS X Webkit if (webkit && mac && cm.display.currentWheelTarget == node) node.style.display = "none"; - else - node.parentNode.removeChild(node); + else node.parentNode.removeChild(node); return next; } - var view = display.view, lineN = display.viewFrom; + var view = display.view, + lineN = display.viewFrom; // Loop over the elements in the view, syncing cur (the DOM nodes // in display.lineDiv) with the view as we go. for (var i = 0; i < view.length; i++) { var lineView = view[i]; if (lineView.hidden) { - } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + } else if (!lineView.node || lineView.node.parentNode != container) { + // Not drawn yet var node = buildLineElement(cm, lineView, lineN, dims); container.insertBefore(node, cur); - } else { // Already drawn + } else { + // Already drawn while (cur != lineView.node) cur = rm(cur); - var updateNumber = lineNumbers && updateNumbersFrom != null && - updateNumbersFrom <= lineN && lineView.lineNumber; + var updateNumber = + lineNumbers && + updateNumbersFrom != null && + updateNumbersFrom <= lineN && + lineView.lineNumber; if (lineView.changes) { if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; updateLineForChanges(cm, lineView, lineN, dims); } if (updateNumber) { removeChildren(lineView.lineNumber); - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); + lineView.lineNumber.appendChild( + document.createTextNode(lineNumberFor(cm.options, lineN)) + ); } cur = lineView.node.nextSibling; } @@ -904,14 +1117,22 @@ } function updateLineBackground(lineView) { - var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; + var cls = lineView.bgClass + ? lineView.bgClass + " " + (lineView.line.bgClass || "") + : lineView.line.bgClass; if (cls) cls += " CodeMirror-linebackground"; if (lineView.background) { if (cls) lineView.background.className = cls; - else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } + else { + lineView.background.parentNode.removeChild(lineView.background); + lineView.background = null; + } } else if (cls) { var wrap = ensureLineWrapped(lineView); - lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); + lineView.background = wrap.insertBefore( + elt("div", null, cls), + wrap.firstChild + ); } } @@ -936,7 +1157,10 @@ if (lineView.text == lineView.node) lineView.node = built.pre; lineView.text.parentNode.replaceChild(built.pre, lineView.text); lineView.text = built.pre; - if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { + if ( + built.bgClass != lineView.bgClass || + built.textClass != lineView.textClass + ) { lineView.bgClass = built.bgClass; lineView.textClass = built.textClass; updateLineClasses(lineView); @@ -949,9 +1173,10 @@ updateLineBackground(lineView); if (lineView.line.wrapClass) ensureLineWrapped(lineView).className = lineView.line.wrapClass; - else if (lineView.node != lineView.text) - lineView.node.className = ""; - var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; + else if (lineView.node != lineView.text) lineView.node.className = ""; + var textClass = lineView.textClass + ? lineView.textClass + " " + (lineView.line.textClass || "") + : lineView.line.textClass; lineView.text.className = textClass || ""; } @@ -966,32 +1191,67 @@ } if (lineView.line.gutterClass) { var wrap = ensureLineWrapped(lineView); - lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, - "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + - "px; width: " + dims.gutterTotalWidth + "px"); + lineView.gutterBackground = elt( + "div", + null, + "CodeMirror-gutter-background " + lineView.line.gutterClass, + "left: " + + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + + "px; width: " + + dims.gutterTotalWidth + + "px" + ); wrap.insertBefore(lineView.gutterBackground, lineView.text); } var markers = lineView.line.gutterMarkers; if (cm.options.lineNumbers || markers) { var wrap = ensureLineWrapped(lineView); - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + - (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); + var gutterWrap = (lineView.gutter = elt( + "div", + null, + "CodeMirror-gutter-wrapper", + "left: " + + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + + "px" + )); cm.display.input.setUneditable(gutterWrap); wrap.insertBefore(gutterWrap, lineView.text); if (lineView.line.gutterClass) gutterWrap.className += " " + lineView.line.gutterClass; - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + if ( + cm.options.lineNumbers && + (!markers || !markers["CodeMirror-linenumbers"]) + ) lineView.lineNumber = gutterWrap.appendChild( - elt("div", lineNumberFor(cm.options, lineN), - "CodeMirror-linenumber CodeMirror-gutter-elt", - "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " - + cm.display.lineNumInnerWidth + "px")); - if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) { - var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; - if (found) - gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + - dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); - } + elt( + "div", + lineNumberFor(cm.options, lineN), + "CodeMirror-linenumber CodeMirror-gutter-elt", + "left: " + + dims.gutterLeft["CodeMirror-linenumbers"] + + "px; width: " + + cm.display.lineNumInnerWidth + + "px" + ) + ); + if (markers) + for (var k = 0; k < cm.options.gutters.length; ++k) { + var id = cm.options.gutters[k], + found = markers.hasOwnProperty(id) && markers[id]; + if (found) + gutterWrap.appendChild( + elt( + "div", + [found], + "CodeMirror-gutter-elt", + "left: " + + dims.gutterLeft[id] + + "px; width: " + + dims.gutterWidth[id] + + "px" + ) + ); + } } } @@ -1022,22 +1282,24 @@ // collapsed spans). The widgets for all of them need to be drawn. function insertLineWidgets(cm, lineView, dims) { insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); + if (lineView.rest) + for (var i = 0; i < lineView.rest.length; i++) + insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { if (!line.widgets) return; var wrap = ensureLineWrapped(lineView); for (var i = 0, ws = line.widgets; i < ws.length; ++i) { - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); - if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); + var widget = ws[i], + node = elt("div", [widget.node], "CodeMirror-linewidget"); + if (!widget.handleMouseEvents) + node.setAttribute("cm-ignore-events", "true"); positionLineWidget(widget, node, lineView, dims); cm.display.input.setUneditable(node); if (allowAbove && widget.above) wrap.insertBefore(node, lineView.gutter || lineView.text); - else - wrap.appendChild(node); + else wrap.appendChild(node); signalLater(widget, "redraw"); } } @@ -1056,30 +1318,43 @@ if (widget.coverGutter) { node.style.zIndex = 5; node.style.position = "relative"; - if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; + if (!widget.noHScroll) + node.style.marginLeft = -dims.gutterTotalWidth + "px"; } } // POSITION OBJECT // A Pos instance represents a position within the text. - var Pos = CodeMirror.Pos = function(line, ch) { + var Pos = (CodeMirror.Pos = function (line, ch) { if (!(this instanceof Pos)) return new Pos(line, ch); - this.line = line; this.ch = ch; - }; + this.line = line; + this.ch = ch; + }); // Compare two positions, return 0 if they are the same, a negative // number when a is less, and a positive number otherwise. - var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; }; + var cmp = (CodeMirror.cmpPos = function (a, b) { + return a.line - b.line || a.ch - b.ch; + }); - function copyPos(x) {return Pos(x.line, x.ch);} - function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } - function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } + function copyPos(x) { + return Pos(x.line, x.ch); + } + function maxPos(a, b) { + return cmp(a, b) < 0 ? b : a; + } + function minPos(a, b) { + return cmp(a, b) < 0 ? a : b; + } // INPUT HANDLING function ensureFocus(cm) { - if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } + if (!cm.state.focused) { + cm.display.input.focus(); + onFocus(cm); + } } function isReadOnly(cm) { @@ -1097,7 +1372,8 @@ if (!sel) sel = doc.sel; var paste = cm.state.pasteIncoming || origin == "paste"; - var textLines = doc.splitLines(inserted), multiPaste = null; + var textLines = doc.splitLines(inserted), + multiPaste = null; // When pasing N lines into N selections, insert one line per selection if (paste && sel.ranges.length > 1) { if (lastCopied && lastCopied.join("\n") == inserted) { @@ -1107,28 +1383,43 @@ multiPaste.push(doc.splitLines(lastCopied[i])); } } else if (textLines.length == sel.ranges.length) { - multiPaste = map(textLines, function(l) { return [l]; }); + multiPaste = map(textLines, function (l) { + return [l]; + }); } } // Normal behavior is to insert the new text into every selection for (var i = sel.ranges.length - 1; i >= 0; i--) { var range = sel.ranges[i]; - var from = range.from(), to = range.to(); + var from = range.from(), + to = range.to(); if (range.empty()) { - if (deleted && deleted > 0) // Handle deletion + if (deleted && deleted > 0) + // Handle deletion from = Pos(from.line, from.ch - deleted); - else if (cm.state.overwrite && !paste) // Handle overwrite - to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); + else if (cm.state.overwrite && !paste) + // Handle overwrite + to = Pos( + to.line, + Math.min( + getLine(doc, to.line).text.length, + to.ch + lst(textLines).length + ) + ); } var updateInput = cm.curOp.updateInput; - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, - origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; + var changeEvent = { + from: from, + to: to, + text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, + origin: + origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input"), + }; makeChange(cm.doc, changeEvent); signalLater(cm, "inputRead", cm, changeEvent); } - if (inserted && !paste) - triggerElectric(cm, inserted); + if (inserted && !paste) triggerElectric(cm, inserted); ensureCursorVisible(cm); cm.curOp.updateInput = updateInput; @@ -1141,7 +1432,9 @@ if (pasted) { e.preventDefault(); if (!isReadOnly(cm) && !cm.options.disableInput) - runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); + runInOp(cm, function () { + applyTextInput(cm, pasted, 0, null, "paste"); + }); return true; } } @@ -1153,7 +1446,11 @@ for (var i = sel.ranges.length - 1; i >= 0; i--) { var range = sel.ranges[i]; - if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; + if ( + range.head.ch > 100 || + (i && sel.ranges[i - 1].head.line == range.head.line) + ) + continue; var mode = cm.getModeAt(range.head); var indented = false; if (mode.electricChars) { @@ -1163,7 +1460,11 @@ break; } } else if (mode.electricInput) { - if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) + if ( + mode.electricInput.test( + getLine(cm.doc, range.head.line).text.slice(0, range.head.ch) + ) + ) indented = indentLine(cm, range.head.line, "smart"); } if (indented) signalLater(cm, "electricInput", cm, range.head.line); @@ -1171,14 +1472,15 @@ } function copyableRanges(cm) { - var text = [], ranges = []; + var text = [], + ranges = []; for (var i = 0; i < cm.doc.sel.ranges.length; i++) { var line = cm.doc.sel.ranges[i].head.line; - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + var lineRange = { anchor: Pos(line, 0), head: Pos(line + 1, 0) }; ranges.push(lineRange); text.push(cm.getRange(lineRange.anchor, lineRange.head)); } - return {text: text, ranges: ranges}; + return { text: text, ranges: ranges }; } function disableBrowserMagic(field) { @@ -1206,11 +1508,21 @@ // Used to work around IE issue with selection being forgotten when focus moves away from textarea this.hasSelection = false; this.composing = null; - }; + } function hiddenTextarea() { - var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + var te = elt( + "textarea", + null, + null, + "position: absolute; padding: 0; width: 1px; height: 1em; outline: none" + ); + var div = elt( + "div", + [te], + null, + "overflow: hidden; position: relative; width: 3px; height: 0px;" + ); // The textarea is kept positioned near the cursor to prevent the // fact that it'll be scrolled into view on input from scrolling // our fake cursor out of view. On webkit, when wrap=off, paste is @@ -1223,633 +1535,817 @@ return div; } - TextareaInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = this.cm; + TextareaInput.prototype = copyObj( + { + init: function (display) { + var input = this, + cm = this.cm; - // Wraps and hides input textarea - var div = this.wrapper = hiddenTextarea(); - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - var te = this.textarea = div.firstChild; - display.wrapper.insertBefore(div, display.wrapper.firstChild); + // Wraps and hides input textarea + var div = (this.wrapper = hiddenTextarea()); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + var te = (this.textarea = div.firstChild); + display.wrapper.insertBefore(div, display.wrapper.firstChild); - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) - if (ios) te.style.width = "0px"; + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) te.style.width = "0px"; - on(te, "input", function() { - if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; - input.poll(); - }); + on(te, "input", function () { + if (ie && ie_version >= 9 && input.hasSelection) + input.hasSelection = null; + input.poll(); + }); - on(te, "paste", function(e) { - if (handlePaste(e, cm)) return true; + on(te, "paste", function (e) { + if (handlePaste(e, cm)) return true; - cm.state.pasteIncoming = true; - input.fastPoll(); - }); + cm.state.pasteIncoming = true; + input.fastPoll(); + }); - function prepareCopyCut(e) { - if (cm.somethingSelected()) { - lastCopied = cm.getSelections(); - if (input.inaccurateSelection) { - input.prevInput = ""; - input.inaccurateSelection = false; - te.value = lastCopied.join("\n"); - selectInput(te); - } - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = ranges.text; - if (e.type == "cut") { - cm.setSelections(ranges.ranges, null, sel_dontScroll); + function prepareCopyCut(e) { + if (cm.somethingSelected()) { + lastCopied = cm.getSelections(); + if (input.inaccurateSelection) { + input.prevInput = ""; + input.inaccurateSelection = false; + te.value = lastCopied.join("\n"); + selectInput(te); + } + } else if (!cm.options.lineWiseCopyCut) { + return; } else { - input.prevInput = ""; - te.value = ranges.text.join("\n"); - selectInput(te); + var ranges = copyableRanges(cm); + lastCopied = ranges.text; + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); + } } + if (e.type == "cut") cm.state.cutIncoming = true; } - if (e.type == "cut") cm.state.cutIncoming = true; - } - on(te, "cut", prepareCopyCut); - on(te, "copy", prepareCopyCut); + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); - on(display.scroller, "paste", function(e) { - if (eventInWidget(display, e)) return; - cm.state.pasteIncoming = true; - input.focus(); - }); + on(display.scroller, "paste", function (e) { + if (eventInWidget(display, e)) return; + cm.state.pasteIncoming = true; + input.focus(); + }); - // Prevent normal selection in the editor (we handle our own) - on(display.lineSpace, "selectstart", function(e) { - if (!eventInWidget(display, e)) e_preventDefault(e); - }); + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function (e) { + if (!eventInWidget(display, e)) e_preventDefault(e); + }); - on(te, "compositionstart", function() { - var start = cm.getCursor("from"); - if (input.composing) input.composing.range.clear() - input.composing = { - start: start, - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) - }; - }); - on(te, "compositionend", function() { - if (input.composing) { - input.poll(); - input.composing.range.clear(); - input.composing = null; + on(te, "compositionstart", function () { + var start = cm.getCursor("from"); + if (input.composing) input.composing.range.clear(); + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), { + className: "CodeMirror-composing", + }), + }; + }); + on(te, "compositionend", function () { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; + } + }); + }, + + prepareSelection: function () { + // Redraw the selection and/or cursor + var cm = this.cm, + display = cm.display, + doc = cm.doc; + var result = prepareSelection(cm); + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), + lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max( + 0, + Math.min( + display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top + ) + ); + result.teLeft = Math.max( + 0, + Math.min( + display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left + ) + ); } - }); - }, - - prepareSelection: function() { - // Redraw the selection and/or cursor - var cm = this.cm, display = cm.display, doc = cm.doc; - var result = prepareSelection(cm); - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)); - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)); - } - - return result; - }, - - showSelection: function(drawn) { - var cm = this.cm, display = cm.display; - removeChildrenAndAdd(display.cursorDiv, drawn.cursors); - removeChildrenAndAdd(display.selectionDiv, drawn.selection); - if (drawn.teTop != null) { - this.wrapper.style.top = drawn.teTop + "px"; - this.wrapper.style.left = drawn.teLeft + "px"; - } - }, - - // Reset the input to correspond to the selection (or to be empty, - // when not typing and nothing is selected) - reset: function(typing) { - if (this.contextMenuPending) return; - var minimal, selected, cm = this.cm, doc = cm.doc; - if (cm.somethingSelected()) { - this.prevInput = ""; - var range = doc.sel.primary(); - minimal = hasCopyEvent && - (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); - var content = minimal ? "-" : selected || cm.getSelection(); - this.textarea.value = content; - if (cm.state.focused) selectInput(this.textarea); - if (ie && ie_version >= 9) this.hasSelection = content; - } else if (!typing) { - this.prevInput = this.textarea.value = ""; - if (ie && ie_version >= 9) this.hasSelection = null; - } - this.inaccurateSelection = minimal; - }, - - getField: function() { return this.textarea; }, - - supportsTouch: function() { return false; }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { - try { this.textarea.focus(); } - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM - } - }, - blur: function() { this.textarea.blur(); }, - - resetPosition: function() { - this.wrapper.style.top = this.wrapper.style.left = 0; - }, - - receivedFocus: function() { this.slowPoll(); }, - - // Poll for input changes, using the normal rate of polling. This - // runs as long as the editor is focused. - slowPoll: function() { - var input = this; - if (input.pollingFast) return; - input.polling.set(this.cm.options.pollInterval, function() { - input.poll(); - if (input.cm.state.focused) input.slowPoll(); - }); - }, + return result; + }, + + showSelection: function (drawn) { + var cm = this.cm, + display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }, + + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + reset: function (typing) { + if (this.contextMenuPending) return; + var minimal, + selected, + cm = this.cm, + doc = cm.doc; + if (cm.somethingSelected()) { + this.prevInput = ""; + var range = doc.sel.primary(); + minimal = + hasCopyEvent && + (range.to().line - range.from().line > 100 || + (selected = cm.getSelection()).length > 1000); + var content = minimal ? "-" : selected || cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) selectInput(this.textarea); + if (ie && ie_version >= 9) this.hasSelection = content; + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) this.hasSelection = null; + } + this.inaccurateSelection = minimal; + }, - // When an event has just come in that is likely to add or change - // something in the input textarea, we poll faster, to ensure that - // the change appears on the screen quickly. - fastPoll: function() { - var missed = false, input = this; - input.pollingFast = true; - function p() { - var changed = input.poll(); - if (!changed && !missed) {missed = true; input.polling.set(60, p);} - else {input.pollingFast = false; input.slowPoll();} - } - input.polling.set(20, p); - }, - - // Read input from the textarea, and update the document to match. - // When something is selected, it is present in the textarea, and - // selected (unless it is huge, in which case a placeholder is - // used). When nothing is selected, the cursor sits after previously - // seen text (can be empty), which is stored in prevInput (we must - // not reset the textarea when typing, because that breaks IME). - poll: function() { - var cm = this.cm, input = this.textarea, prevInput = this.prevInput; - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (this.contextMenuPending || !cm.state.focused || - (hasSelection(input) && !prevInput && !this.composing) || - isReadOnly(cm) || cm.options.disableInput || cm.state.keySeq) - return false; + getField: function () { + return this.textarea; + }, - var text = input.value; - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) return false; - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && this.hasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - cm.display.input.reset(); + supportsTouch: function () { return false; - } - - if (cm.doc.sel == cm.display.selForContextMenu) { - var first = text.charCodeAt(0); - if (first == 0x200b && !prevInput) prevInput = "\u200b"; - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } - } - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; - - var self = this; - runInOp(cm, function() { - applyTextInput(cm, text.slice(same), prevInput.length - same, - null, self.composing ? "*compose" : null); - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; - else self.prevInput = text; - - if (self.composing) { - self.composing.range.clear(); - self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), - {className: "CodeMirror-composing"}); + }, + + focus: function () { + if ( + this.cm.options.readOnly != "nocursor" && + (!mobile || activeElt() != this.textarea) + ) { + try { + this.textarea.focus(); + } catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }, + + blur: function () { + this.textarea.blur(); + }, + + resetPosition: function () { + this.wrapper.style.top = this.wrapper.style.left = 0; + }, + + receivedFocus: function () { + this.slowPoll(); + }, + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + slowPoll: function () { + var input = this; + if (input.pollingFast) return; + input.polling.set(this.cm.options.pollInterval, function () { + input.poll(); + if (input.cm.state.focused) input.slowPoll(); + }); + }, + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + fastPoll: function () { + var missed = false, + input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) { + missed = true; + input.polling.set(60, p); + } else { + input.pollingFast = false; + input.slowPoll(); + } + } + input.polling.set(20, p); + }, + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + poll: function () { + var cm = this.cm, + input = this.textarea, + prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if ( + this.contextMenuPending || + !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + isReadOnly(cm) || + cm.options.disableInput || + cm.state.keySeq + ) + return false; + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) return false; + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if ( + (ie && ie_version >= 9 && this.hasSelection === text) || + (mac && /[\uf700-\uf7ff]/.test(text)) + ) { + cm.display.input.reset(); + return false; } - }); - return true; - }, - - ensurePolled: function() { - if (this.pollingFast && this.poll()) this.pollingFast = false; - }, - - onKeyPress: function() { - if (ie && ie_version >= 9) this.hasSelection = null; - this.fastPoll(); - }, - onContextMenu: function(e) { - var input = this, cm = input.cm, display = cm.display, te = input.textarea; - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || presto) return; // Opera is difficult. + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) prevInput = "\u200b"; + if (first == 0x21da) { + this.reset(); + return this.cm.execCommand("undo"); + } + } + // Find the part of the input that is actually new + var same = 0, + l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) + ++same; + + var self = this; + runInOp(cm, function () { + applyTextInput( + cm, + text.slice(same), + prevInput.length - same, + null, + self.composing ? "*compose" : null + ); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) + input.value = self.prevInput = ""; + else self.prevInput = text; + + if (self.composing) { + self.composing.range.clear(); + self.composing.range = cm.markText( + self.composing.start, + cm.getCursor("to"), + { className: "CodeMirror-composing" } + ); + } + }); + return true; + }, - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && cm.doc.sel.contains(pos) == -1) - operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); + ensurePolled: function () { + if (this.pollingFast && this.poll()) this.pollingFast = false; + }, - var oldCSS = te.style.cssText; - input.wrapper.style.position = "absolute"; - te.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + - "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " + - (ie ? "rgba(255, 255, 255, .05)" : "transparent") + - "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) - display.input.focus(); - if (webkit) window.scrollTo(null, oldScrollY); - display.input.reset(); - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) te.value = input.prevInput = " "; - input.contextMenuPending = true; - display.selForContextMenu = cm.doc.sel; - clearTimeout(display.detectingSelectAll); - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (te.selectionStart != null) { - var selected = cm.somethingSelected(); - var extval = "\u200b" + (selected ? te.value : ""); - te.value = "\u21da"; // Used to catch context-menu undo - te.value = extval; - input.prevInput = selected ? "" : "\u200b"; - te.selectionStart = 1; te.selectionEnd = extval.length; - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel; + onKeyPress: function () { + if (ie && ie_version >= 9) this.hasSelection = null; + this.fastPoll(); + }, + + onContextMenu: function (e) { + var input = this, + cm = input.cm, + display = cm.display, + te = input.textarea; + var pos = posFromMouse(cm, e), + scrollPos = display.scroller.scrollTop; + if (!pos || presto) return; // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + operation(cm, setSelection)( + cm.doc, + simpleSelection(pos), + sel_dontScroll + ); + + var oldCSS = te.style.cssText; + input.wrapper.style.position = "absolute"; + te.style.cssText = + "position: fixed; width: 30px; height: 30px; top: " + + (e.clientY - 5) + + "px; left: " + + (e.clientX - 5) + + "px; z-index: 1000; background: " + + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + + "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) window.scrollTo(null, oldScrollY); + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) te.value = input.prevInput = " "; + input.contextMenuPending = true; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; + te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } } - } - function rehide() { - input.contextMenuPending = false; - input.wrapper.style.position = "relative"; - te.style.cssText = oldCSS; - if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); - - // Try to detect the user choosing select-all - if (te.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); - var i = 0, poll = function() { - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && - te.selectionEnd > 0 && input.prevInput == "\u200b") - operation(cm, commands.selectAll)(cm); - else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); - else display.input.reset(); - }; - display.detectingSelectAll = setTimeout(poll, 200); + function rehide() { + input.contextMenuPending = false; + input.wrapper.style.position = "relative"; + te.style.cssText = oldCSS; + if (ie && ie_version < 9) + display.scrollbars.setScrollTop( + (display.scroller.scrollTop = scrollPos) + ); + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); + var i = 0, + poll = function () { + if ( + display.selForContextMenu == cm.doc.sel && + te.selectionStart == 0 && + te.selectionEnd > 0 && + input.prevInput == "\u200b" + ) + operation(cm, commands.selectAll)(cm); + else if (i++ < 10) + display.detectingSelectAll = setTimeout(poll, 500); + else display.input.reset(); + }; + display.detectingSelectAll = setTimeout(poll, 200); + } } - } - if (ie && ie_version >= 9) prepareSelectAllHack(); - if (captureRightClick) { - e_stop(e); - var mouseup = function() { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); - } - }, + if (ie && ie_version >= 9) prepareSelectAllHack(); + if (captureRightClick) { + e_stop(e); + var mouseup = function () { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }, - readOnlyChanged: function(val) { - if (!val) this.reset(); - }, + readOnlyChanged: function (val) { + if (!val) this.reset(); + }, - setUneditable: nothing, + setUneditable: nothing, - needsContentAttribute: false - }, TextareaInput.prototype); + needsContentAttribute: false, + }, + TextareaInput.prototype + ); // CONTENTEDITABLE INPUT STYLE function ContentEditableInput(cm) { this.cm = cm; - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.lastAnchorNode = + this.lastAnchorOffset = + this.lastFocusNode = + this.lastFocusOffset = + null; this.polling = new Delayed(); this.gracePeriod = false; } - ContentEditableInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = input.cm; - var div = input.div = display.lineDiv; - disableBrowserMagic(div); - - on(div, "paste", function(e) { handlePaste(e, cm); }) - - on(div, "compositionstart", function(e) { - var data = e.data; - input.composing = {sel: cm.doc.sel, data: data, startData: data}; - if (!data) return; - var prim = cm.doc.sel.primary(); - var line = cm.getLine(prim.head.line); - var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); - if (found > -1 && found <= prim.head.ch) - input.composing.sel = simpleSelection(Pos(prim.head.line, found), - Pos(prim.head.line, found + data.length)); - }); - on(div, "compositionupdate", function(e) { - input.composing.data = e.data; - }); - on(div, "compositionend", function(e) { - var ours = input.composing; - if (!ours) return; - if (e.data != ours.startData && !/\u200b/.test(e.data)) - ours.data = e.data; - // Need a small delay to prevent other code (input event, - // selection polling) from doing damage when fired right after - // compositionend. - setTimeout(function() { - if (!ours.handled) - input.applyComposition(ours); - if (input.composing == ours) - input.composing = null; - }, 50); - }); - - on(div, "touchstart", function() { - input.forceCompositionEnd(); - }); + ContentEditableInput.prototype = copyObj( + { + init: function (display) { + var input = this, + cm = input.cm; + var div = (input.div = display.lineDiv); + disableBrowserMagic(div); - on(div, "input", function() { - if (input.composing) return; - if (isReadOnly(cm) || !input.pollContent()) - runInOp(input.cm, function() {regChange(cm);}); - }); + on(div, "paste", function (e) { + handlePaste(e, cm); + }); - function onCopyCut(e) { - if (cm.somethingSelected()) { - lastCopied = cm.getSelections(); - if (e.type == "cut") cm.replaceSelection("", null, "cut"); - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = ranges.text; - if (e.type == "cut") { - cm.operation(function() { - cm.setSelections(ranges.ranges, 0, sel_dontScroll); - cm.replaceSelection("", null, "cut"); - }); - } - } - // iOS exposes the clipboard API, but seems to discard content inserted into it - if (e.clipboardData && !ios) { - e.preventDefault(); - e.clipboardData.clearData(); - e.clipboardData.setData("text/plain", lastCopied.join("\n")); - } else { - // Old-fashioned briefly-focus-a-textarea hack - var kludge = hiddenTextarea(), te = kludge.firstChild; - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); - te.value = lastCopied.join("\n"); - var hadFocus = document.activeElement; - selectInput(te); - setTimeout(function() { - cm.display.lineSpace.removeChild(kludge); - hadFocus.focus(); + on(div, "compositionstart", function (e) { + var data = e.data; + input.composing = { sel: cm.doc.sel, data: data, startData: data }; + if (!data) return; + var prim = cm.doc.sel.primary(); + var line = cm.getLine(prim.head.line); + var found = line.indexOf( + data, + Math.max(0, prim.head.ch - data.length) + ); + if (found > -1 && found <= prim.head.ch) + input.composing.sel = simpleSelection( + Pos(prim.head.line, found), + Pos(prim.head.line, found + data.length) + ); + }); + on(div, "compositionupdate", function (e) { + input.composing.data = e.data; + }); + on(div, "compositionend", function (e) { + var ours = input.composing; + if (!ours) return; + if (e.data != ours.startData && !/\u200b/.test(e.data)) + ours.data = e.data; + // Need a small delay to prevent other code (input event, + // selection polling) from doing damage when fired right after + // compositionend. + setTimeout(function () { + if (!ours.handled) input.applyComposition(ours); + if (input.composing == ours) input.composing = null; }, 50); - } - } - on(div, "copy", onCopyCut); - on(div, "cut", onCopyCut); - }, + }); - prepareSelection: function() { - var result = prepareSelection(this.cm, false); - result.focus = this.cm.state.focused; - return result; - }, + on(div, "touchstart", function () { + input.forceCompositionEnd(); + }); - showSelection: function(info) { - if (!info || !this.cm.display.view.length) return; - if (info.focus) this.showPrimarySelection(); - this.showMultipleSelections(info); - }, + on(div, "input", function () { + if (input.composing) return; + if (isReadOnly(cm) || !input.pollContent()) + runInOp(input.cm, function () { + regChange(cm); + }); + }); - showPrimarySelection: function() { - var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); - var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); - var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + function onCopyCut(e) { + if (cm.somethingSelected()) { + lastCopied = cm.getSelections(); + if (e.type == "cut") cm.replaceSelection("", null, "cut"); + } else if (!cm.options.lineWiseCopyCut) { + return; + } else { + var ranges = copyableRanges(cm); + lastCopied = ranges.text; + if (e.type == "cut") { + cm.operation(function () { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + // iOS exposes the clipboard API, but seems to discard content inserted into it + if (e.clipboardData && !ios) { + e.preventDefault(); + e.clipboardData.clearData(); + e.clipboardData.setData("text/plain", lastCopied.join("\n")); + } else { + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), + te = kludge.firstChild; + cm.display.lineSpace.insertBefore( + kludge, + cm.display.lineSpace.firstChild + ); + te.value = lastCopied.join("\n"); + var hadFocus = document.activeElement; + selectInput(te); + setTimeout(function () { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + }, 50); + } + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); + }, + + prepareSelection: function () { + var result = prepareSelection(this.cm, false); + result.focus = this.cm.state.focused; + return result; + }, + + showSelection: function (info) { + if (!info || !this.cm.display.view.length) return; + if (info.focus) this.showPrimarySelection(); + this.showMultipleSelections(info); + }, + + showPrimarySelection: function () { + var sel = window.getSelection(), + prim = this.cm.doc.sel.primary(); + var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); + if ( + curAnchor && + !curAnchor.bad && + curFocus && + !curFocus.bad && cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && - cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) - return; - - var start = posToDOM(this.cm, prim.from()); - var end = posToDOM(this.cm, prim.to()); - if (!start && !end) return; - - var view = this.cm.display.view; - var old = sel.rangeCount && sel.getRangeAt(0); - if (!start) { - start = {node: view[0].measure.map[2], offset: 0}; - } else if (!end) { // FIXME dangerously hacky - var measure = view[view.length - 1].measure; - var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; - end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; - } - - try { var rng = range(start.node, start.offset, end.offset, end.node); } - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible - if (rng) { - sel.removeAllRanges(); - sel.addRange(rng); - if (old && sel.anchorNode == null) sel.addRange(old); - else if (gecko) this.startGracePeriod(); - } - this.rememberSelection(); - }, - - startGracePeriod: function() { - var input = this; - clearTimeout(this.gracePeriod); - this.gracePeriod = setTimeout(function() { - input.gracePeriod = false; - if (input.selectionChanged()) - input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); - }, 20); - }, - - showMultipleSelections: function(info) { - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); - }, - - rememberSelection: function() { - var sel = window.getSelection(); - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; - }, - - selectionInEditor: function() { - var sel = window.getSelection(); - if (!sel.rangeCount) return false; - var node = sel.getRangeAt(0).commonAncestorContainer; - return contains(this.div, node); - }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor") this.div.focus(); - }, - blur: function() { this.div.blur(); }, - getField: function() { return this.div; }, - - supportsTouch: function() { return true; }, - - receivedFocus: function() { - var input = this; - if (this.selectionInEditor()) - this.pollSelection(); - else - runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); + cmp(maxPos(curAnchor, curFocus), prim.to()) == 0 + ) + return; - function poll() { - if (input.cm.state.focused) { - input.pollSelection(); - input.polling.set(input.cm.options.pollInterval, poll); + var start = posToDOM(this.cm, prim.from()); + var end = posToDOM(this.cm, prim.to()); + if (!start && !end) return; + + var view = this.cm.display.view; + var old = sel.rangeCount && sel.getRangeAt(0); + if (!start) { + start = { node: view[0].measure.map[2], offset: 0 }; + } else if (!end) { + // FIXME dangerously hacky + var measure = view[view.length - 1].measure; + var map = measure.maps + ? measure.maps[measure.maps.length - 1] + : measure.map; + end = { + node: map[map.length - 1], + offset: map[map.length - 2] - map[map.length - 3], + }; } - } - this.polling.set(this.cm.options.pollInterval, poll); - }, - - selectionChanged: function() { - var sel = window.getSelection(); - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; - }, - pollSelection: function() { - if (!this.composing && !this.gracePeriod && this.selectionChanged()) { - var sel = window.getSelection(), cm = this.cm; + try { + var rng = range(start.node, start.offset, end.offset, end.node); + } catch (e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + sel.removeAllRanges(); + sel.addRange(rng); + if (old && sel.anchorNode == null) sel.addRange(old); + else if (gecko) this.startGracePeriod(); + } this.rememberSelection(); - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var head = domToPos(cm, sel.focusNode, sel.focusOffset); - if (anchor && head) runInOp(cm, function() { - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); - if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; - }); - } - }, - - pollContent: function() { - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); - var from = sel.from(), to = sel.to(); - if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; - - var fromIndex; - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { - var fromLine = lineNo(display.view[0].line); - var fromNode = display.view[0].node; - } else { - var fromLine = lineNo(display.view[fromIndex].line); - var fromNode = display.view[fromIndex - 1].node.nextSibling; - } - var toIndex = findViewIndex(cm, to.line); - if (toIndex == display.view.length - 1) { - var toLine = display.viewTo - 1; - var toNode = display.lineDiv.lastChild; - } else { - var toLine = lineNo(display.view[toIndex + 1].line) - 1; - var toNode = display.view[toIndex + 1].node.previousSibling; - } - - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); - while (newText.length > 1 && oldText.length > 1) { - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } - else break; - } - - var cutFront = 0, cutEnd = 0; - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) - ++cutFront; - var newBot = lst(newText), oldBot = lst(oldText); - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), - oldBot.length - (oldText.length == 1 ? cutFront : 0)); - while (cutEnd < maxCutEnd && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) - ++cutEnd; - - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); - newText[0] = newText[0].slice(cutFront); - - var chFrom = Pos(fromLine, cutFront); - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { - replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + }, + + startGracePeriod: function () { + var input = this; + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function () { + input.gracePeriod = false; + if (input.selectionChanged()) + input.cm.operation(function () { + input.cm.curOp.selectionChanged = true; + }); + }, 20); + }, + + showMultipleSelections: function (info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }, + + rememberSelection: function () { + var sel = window.getSelection(); + this.lastAnchorNode = sel.anchorNode; + this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; + this.lastFocusOffset = sel.focusOffset; + }, + + selectionInEditor: function () { + var sel = window.getSelection(); + if (!sel.rangeCount) return false; + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node); + }, + + focus: function () { + if (this.cm.options.readOnly != "nocursor") this.div.focus(); + }, + blur: function () { + this.div.blur(); + }, + getField: function () { + return this.div; + }, + + supportsTouch: function () { return true; - } - }, - - ensurePolled: function() { - this.forceCompositionEnd(); - }, - reset: function() { - this.forceCompositionEnd(); - }, - forceCompositionEnd: function() { - if (!this.composing || this.composing.handled) return; - this.applyComposition(this.composing); - this.composing.handled = true; - this.div.blur(); - this.div.focus(); - }, - applyComposition: function(composing) { - if (isReadOnly(this.cm)) - operation(this.cm, regChange)(this.cm) - else if (composing.data && composing.data != composing.startData) - operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); - }, + }, - setUneditable: function(node) { - node.contentEditable = "false" - }, + receivedFocus: function () { + var input = this; + if (this.selectionInEditor()) this.pollSelection(); + else + runInOp(this.cm, function () { + input.cm.curOp.selectionChanged = true; + }); + + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); + } + } + this.polling.set(this.cm.options.pollInterval, poll); + }, + + selectionChanged: function () { + var sel = window.getSelection(); + return ( + sel.anchorNode != this.lastAnchorNode || + sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || + sel.focusOffset != this.lastFocusOffset + ); + }, + + pollSelection: function () { + if (!this.composing && !this.gracePeriod && this.selectionChanged()) { + var sel = window.getSelection(), + cm = this.cm; + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) + runInOp(cm, function () { + setSelection( + cm.doc, + simpleSelection(anchor, head), + sel_dontScroll + ); + if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; + }); + } + }, + + pollContent: function () { + var cm = this.cm, + display = cm.display, + sel = cm.doc.sel.primary(); + var from = sel.from(), + to = sel.to(); + if (from.line < display.viewFrom || to.line > display.viewTo - 1) + return false; + + var fromIndex; + if ( + from.line == display.viewFrom || + (fromIndex = findViewIndex(cm, from.line)) == 0 + ) { + var fromLine = lineNo(display.view[0].line); + var fromNode = display.view[0].node; + } else { + var fromLine = lineNo(display.view[fromIndex].line); + var fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + if (toIndex == display.view.length - 1) { + var toLine = display.viewTo - 1; + var toNode = display.lineDiv.lastChild; + } else { + var toLine = lineNo(display.view[toIndex + 1].line) - 1; + var toNode = display.view[toIndex + 1].node.previousSibling; + } - onKeyPress: function(e) { - e.preventDefault(); - if (!isReadOnly(this.cm)) - operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); - }, + var newText = cm.doc.splitLines( + domTextBetween(cm, fromNode, toNode, fromLine, toLine) + ); + var oldText = getBetween( + cm.doc, + Pos(fromLine, 0), + Pos(toLine, getLine(cm.doc, toLine).text.length) + ); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { + newText.pop(); + oldText.pop(); + toLine--; + } else if (newText[0] == oldText[0]) { + newText.shift(); + oldText.shift(); + fromLine++; + } else break; + } - readOnlyChanged: function(val) { - this.div.contentEditable = String(val != "nocursor") + var cutFront = 0, + cutEnd = 0; + var newTop = newText[0], + oldTop = oldText[0], + maxCutFront = Math.min(newTop.length, oldTop.length); + while ( + cutFront < maxCutFront && + newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront) + ) + ++cutFront; + var newBot = lst(newText), + oldBot = lst(oldText); + var maxCutEnd = Math.min( + newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0) + ); + while ( + cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == + oldBot.charCodeAt(oldBot.length - cutEnd - 1) + ) + ++cutEnd; + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); + newText[0] = newText[0].slice(cutFront); + + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos( + toLine, + oldText.length ? lst(oldText).length - cutEnd : 0 + ); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true; + } + }, + + ensurePolled: function () { + this.forceCompositionEnd(); + }, + reset: function () { + this.forceCompositionEnd(); + }, + forceCompositionEnd: function () { + if (!this.composing || this.composing.handled) return; + this.applyComposition(this.composing); + this.composing.handled = true; + this.div.blur(); + this.div.focus(); + }, + applyComposition: function (composing) { + if (isReadOnly(this.cm)) operation(this.cm, regChange)(this.cm); + else if (composing.data && composing.data != composing.startData) + operation(this.cm, applyTextInput)( + this.cm, + composing.data, + 0, + composing.sel + ); + }, + + setUneditable: function (node) { + node.contentEditable = "false"; + }, + + onKeyPress: function (e) { + e.preventDefault(); + if (!isReadOnly(this.cm)) + operation(this.cm, applyTextInput)( + this.cm, + String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), + 0 + ); + }, + + readOnlyChanged: function (val) { + this.div.contentEditable = String(val != "nocursor"); + }, + + onContextMenu: nothing, + resetPosition: nothing, + + needsContentAttribute: true, }, - - onContextMenu: nothing, - resetPosition: nothing, - - needsContentAttribute: true - }, ContentEditableInput.prototype); + ContentEditableInput.prototype + ); function posToDOM(cm, pos) { var view = findViewForLine(cm, pos.line); @@ -1857,7 +2353,8 @@ var line = getLine(cm.doc, pos.line); var info = mapFromLineView(view, line, pos.line); - var order = getOrder(line), side = "left"; + var order = getOrder(line), + side = "left"; if (order) { var partPos = getBidiPartAt(order, pos.ch); side = partPos % 2 ? "right" : "left"; @@ -1867,18 +2364,24 @@ return result; } - function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } + function badPos(pos, bad) { + if (bad) pos.bad = true; + return pos; + } function domToPos(cm, node, offset) { var lineNode; if (node == cm.display.lineDiv) { lineNode = cm.display.lineDiv.childNodes[offset]; - if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); - node = null; offset = 0; + if (!lineNode) + return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); + node = null; + offset = 0; } else { - for (lineNode = node;; lineNode = lineNode.parentNode) { + for (lineNode = node; ; lineNode = lineNode.parentNode) { if (!lineNode || lineNode == cm.display.lineDiv) return null; - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) + break; } } for (var i = 0; i < cm.display.view.length; i++) { @@ -1889,8 +2392,10 @@ } function locateNodeInLineView(lineView, node, offset) { - var wrapper = lineView.text.firstChild, bad = false; - if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); + var wrapper = lineView.text.firstChild, + bad = false; + if (!node || !contains(wrapper, node)) + return badPos(Pos(lineNo(lineView.line), 0), true); if (node == wrapper) { bad = true; node = wrapper.childNodes[offset]; @@ -1901,13 +2406,19 @@ } } - var textNode = node.nodeType == 3 ? node : null, topNode = node; - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + var textNode = node.nodeType == 3 ? node : null, + topNode = node; + if ( + !textNode && + node.childNodes.length == 1 && + node.firstChild.nodeType == 3 + ) { textNode = node.firstChild; if (offset) offset = textNode.nodeValue.length; } while (topNode.parentNode != wrapper) topNode = topNode.parentNode; - var measure = lineView.measure, maps = measure.maps; + var measure = lineView.measure, + maps = measure.maps; function find(textNode, topNode, offset) { for (var i = -1; i < (maps ? maps.length : 0); i++) { @@ -1917,7 +2428,8 @@ if (curNode == textNode || curNode == topNode) { var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); var ch = map[j] + offset; - if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; + if (offset < 0 || curNode != textNode) + ch = map[j + (offset ? 1 : 0)]; return Pos(line, ch); } } @@ -1927,25 +2439,36 @@ if (found) return badPos(found, bad); // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + for ( + var after = topNode.nextSibling, + dist = textNode ? textNode.nodeValue.length - offset : 0; + after; + after = after.nextSibling + ) { found = find(after, after.firstChild, 0); - if (found) - return badPos(Pos(found.line, found.ch - dist), bad); - else - dist += after.textContent.length; - } - for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { + if (found) return badPos(Pos(found.line, found.ch - dist), bad); + else dist += after.textContent.length; + } + for ( + var before = topNode.previousSibling, dist = offset; + before; + before = before.previousSibling + ) { found = find(before, before.firstChild, -1); - if (found) - return badPos(Pos(found.line, found.ch + dist), bad); - else - dist += after.textContent.length; + if (found) return badPos(Pos(found.line, found.ch + dist), bad); + else dist += after.textContent.length; } } function domTextBetween(cm, from, to, fromLine, toLine) { - var text = "", closing = false, lineSep = cm.doc.lineSeparator(); - function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } + var text = "", + closing = false, + lineSep = cm.doc.lineSeparator(); + function recognizeMarker(id) { + return function (marker) { + return marker.id == id; + }; + } function walk(node) { if (node.nodeType == 1) { var cmText = node.getAttribute("cm-text"); @@ -1954,9 +2477,14 @@ text += cmText; return; } - var markerID = node.getAttribute("cm-marker"), range; + var markerID = node.getAttribute("cm-marker"), + range; if (markerID) { - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + var found = cm.findMarks( + Pos(fromLine, 0), + Pos(toLine + 1, 0), + recognizeMarker(+markerID) + ); if (found.length && (range = found[0].find())) text += getBetween(cm.doc, range.from, range.to).join(lineSep); return; @@ -1964,8 +2492,7 @@ if (node.getAttribute("contenteditable") == "false") return; for (var i = 0; i < node.childNodes.length; i++) walk(node.childNodes[i]); - if (/^(pre|div|p)$/i.test(node.nodeName)) - closing = true; + if (/^(pre|div|p)$/i.test(node.nodeName)) closing = true; } else if (node.nodeType == 3) { var val = node.nodeValue; if (!val) return; @@ -1984,7 +2511,10 @@ return text; } - CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + CodeMirror.inputStyles = { + textarea: TextareaInput, + contenteditable: ContentEditableInput, + }; // SELECTION / CURSOR @@ -1999,47 +2529,67 @@ } Selection.prototype = { - primary: function() { return this.ranges[this.primIndex]; }, - equals: function(other) { + primary: function () { + return this.ranges[this.primIndex]; + }, + equals: function (other) { if (other == this) return true; - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false; + if ( + other.primIndex != this.primIndex || + other.ranges.length != this.ranges.length + ) + return false; for (var i = 0; i < this.ranges.length; i++) { - var here = this.ranges[i], there = other.ranges[i]; - if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false; + var here = this.ranges[i], + there = other.ranges[i]; + if ( + cmp(here.anchor, there.anchor) != 0 || + cmp(here.head, there.head) != 0 + ) + return false; } return true; }, - deepCopy: function() { + deepCopy: function () { for (var out = [], i = 0; i < this.ranges.length; i++) - out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); + out[i] = new Range( + copyPos(this.ranges[i].anchor), + copyPos(this.ranges[i].head) + ); return new Selection(out, this.primIndex); }, - somethingSelected: function() { + somethingSelected: function () { for (var i = 0; i < this.ranges.length; i++) if (!this.ranges[i].empty()) return true; return false; }, - contains: function(pos, end) { + contains: function (pos, end) { if (!end) end = pos; for (var i = 0; i < this.ranges.length; i++) { var range = this.ranges[i]; - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) - return i; + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) return i; } return -1; - } + }, }; function Range(anchor, head) { - this.anchor = anchor; this.head = head; + this.anchor = anchor; + this.head = head; } Range.prototype = { - from: function() { return minPos(this.anchor, this.head); }, - to: function() { return maxPos(this.anchor, this.head); }, - empty: function() { - return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; - } + from: function () { + return minPos(this.anchor, this.head); + }, + to: function () { + return maxPos(this.anchor, this.head); + }, + empty: function () { + return ( + this.head.line == this.anchor.line && this.head.ch == this.anchor.ch + ); + }, }; // Take an unsorted, potentially overlapping set of ranges, and @@ -2047,13 +2597,19 @@ // it). function normalizeSelection(ranges, primIndex) { var prim = ranges[primIndex]; - ranges.sort(function(a, b) { return cmp(a.from(), b.from()); }); + ranges.sort(function (a, b) { + return cmp(a.from(), b.from()); + }); primIndex = indexOf(ranges, prim); for (var i = 1; i < ranges.length; i++) { - var cur = ranges[i], prev = ranges[i - 1]; + var cur = ranges[i], + prev = ranges[i - 1]; if (cmp(prev.to(), cur.from()) >= 0) { - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; + var from = minPos(prev.from(), cur.from()), + to = maxPos(prev.to(), cur.to()); + var inv = prev.empty() + ? cur.from() == cur.head + : prev.from() == prev.head; if (i <= primIndex) --primIndex; ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); } @@ -2067,7 +2623,9 @@ // Most of the external API clips given positions to make sure they // actually exist within the document. - function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} + function clipLine(doc, n) { + return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1)); + } function clipPos(doc, pos) { if (pos.line < doc.first) return Pos(doc.first, 0); var last = doc.first + doc.size - 1; @@ -2080,9 +2638,12 @@ else if (ch < 0) return Pos(pos.line, 0); else return pos; } - function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} + function isLine(doc, l) { + return l >= doc.first && l < doc.first + doc.size; + } function clipPosArray(doc, array) { - for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]); + for (var out = [], i = 0; i < array.length; i++) + out[i] = clipPos(doc, array[i]); return out; } @@ -2097,14 +2658,14 @@ // Otherwise, simply returns the range between the given positions. // Used for cursor motion and such. function extendRange(doc, range, head, other) { - if (doc.cm && doc.cm.display.shift || doc.extend) { + if ((doc.cm && doc.cm.display.shift) || doc.extend) { var anchor = range.anchor; if (other) { var posBefore = cmp(head, anchor) < 0; - if (posBefore != (cmp(other, anchor) < 0)) { + if (posBefore != cmp(other, anchor) < 0) { anchor = head; head = other; - } else if (posBefore != (cmp(head, other) < 0)) { + } else if (posBefore != cmp(head, other) < 0) { head = other; } } @@ -2116,7 +2677,11 @@ // Extend the primary selection range, discard the rest. function extendSelection(doc, head, other, options) { - setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options); + setSelection( + doc, + new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), + options + ); } // Extend all selections (pos is an array of selections with length @@ -2145,21 +2710,25 @@ function filterSelectionChange(doc, sel) { var obj = { ranges: sel.ranges, - update: function(ranges) { + update: function (ranges) { this.ranges = []; for (var i = 0; i < ranges.length; i++) - this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), - clipPos(doc, ranges[i].head)); - } + this.ranges[i] = new Range( + clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head) + ); + }, }; signal(doc, "beforeSelectionChange", doc, obj); if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); - if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1); + if (obj.ranges != sel.ranges) + return normalizeSelection(obj.ranges, obj.ranges.length - 1); else return sel; } function setSelectionReplaceHistory(doc, sel, options) { - var done = doc.history.done, last = lst(done); + var done = doc.history.done, + last = lst(done); if (last && last.ranges) { done[done.length - 1] = sel; setSelectionNoUndo(doc, sel, options); @@ -2171,14 +2740,23 @@ // Set a new selection. function setSelection(doc, sel, options) { setSelectionNoUndo(doc, sel, options); - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); + addSelectionToHistory( + doc, + doc.sel, + doc.cm ? doc.cm.curOp.id : NaN, + options + ); } function setSelectionNoUndo(doc, sel, options) { - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + if ( + hasHandler(doc, "beforeSelectionChange") || + (doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + ) sel = filterSelectionChange(doc, sel); - var bias = options && options.bias || + var bias = + (options && options.bias) || (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); @@ -2201,7 +2779,11 @@ // Verify that the selection does not partially select any atomic // marked ranges. function reCheckSelection(doc) { - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll); + setSelectionInner( + doc, + skipAtomicInSelection(doc, doc.sel, null, false), + sel_dontScroll + ); } // Return a selection that does not partially select any atomic @@ -2222,21 +2804,30 @@ // Ensure a given position is not inside an atomic range. function skipAtomic(doc, pos, bias, mayClear) { - var flipped = false, curPos = pos; + var flipped = false, + curPos = pos; var dir = bias || 1; doc.cantEdit = false; search: for (;;) { var line = getLine(doc, curPos.line); if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) { + var sp = line.markedSpans[i], + m = sp.marker; + if ( + (sp.from == null || + (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) && + (sp.to == null || + (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch)) + ) { if (mayClear) { signal(m, "beforeCursorEnter"); if (m.explicitlyCleared) { if (!line.markedSpans) break; - else {--i; continue;} + else { + --i; + continue; + } } } if (!m.atomic) continue; @@ -2244,10 +2835,12 @@ if (cmp(newPos, curPos) == 0) { newPos.ch += dir; if (newPos.ch < 0) { - if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1)); + if (newPos.line > doc.first) + newPos = clipPos(doc, Pos(newPos.line - 1)); else newPos = null; } else if (newPos.ch > line.text.length) { - if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0); + if (newPos.line < doc.first + doc.size - 1) + newPos = Pos(newPos.line + 1, 0); else newPos = null; } if (!newPos) { @@ -2259,7 +2852,9 @@ doc.cantEdit = true; return Pos(doc.first, 0); } - flipped = true; newPos = pos; dir = -dir; + flipped = true; + newPos = pos; + dir = -dir; } } curPos = newPos; @@ -2278,9 +2873,10 @@ } function prepareSelection(cm, primary) { - var doc = cm.doc, result = {}; - var curFragment = result.cursors = document.createDocumentFragment(); - var selFragment = result.selection = document.createDocumentFragment(); + var doc = cm.doc, + result = {}; + var curFragment = (result.cursors = document.createDocumentFragment()); + var selFragment = (result.selection = document.createDocumentFragment()); for (var i = 0; i < doc.sel.ranges.length; i++) { if (primary === false && i == doc.sel.primIndex) continue; @@ -2288,45 +2884,74 @@ var collapsed = range.empty(); if (collapsed || cm.options.showCursorWhenSelecting) drawSelectionCursor(cm, range.head, curFragment); - if (!collapsed) - drawSelectionRange(cm, range, selFragment); + if (!collapsed) drawSelectionRange(cm, range, selFragment); } return result; } // Draws a cursor for the given range function drawSelectionCursor(cm, head, output) { - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); + var pos = cursorCoords( + cm, + head, + "div", + null, + null, + !cm.options.singleCursorHeightPerLine + ); var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); cursor.style.left = pos.left + "px"; cursor.style.top = pos.top + "px"; - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + cursor.style.height = + Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; if (pos.other) { // Secondary cursor, shown when on a 'jump' in bi-directional text - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); + var otherCursor = output.appendChild( + elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor") + ); otherCursor.style.display = ""; otherCursor.style.left = pos.other.left + "px"; otherCursor.style.top = pos.other.top + "px"; - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + otherCursor.style.height = + (pos.other.bottom - pos.other.top) * 0.85 + "px"; } } // Draws the given range as a highlighted selection function drawSelectionRange(cm, range, output) { - var display = cm.display, doc = cm.doc; + var display = cm.display, + doc = cm.doc; var fragment = document.createDocumentFragment(); - var padding = paddingH(cm.display), leftSide = padding.left; - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; + var padding = paddingH(cm.display), + leftSide = padding.left; + var rightSide = + Math.max( + display.sizerWidth, + displayWidth(cm) - display.sizer.offsetLeft + ) - padding.right; function add(left, top, width, bottom) { if (top < 0) top = 0; top = Math.round(top); bottom = Math.round(bottom); - fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + - "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) + - "px; height: " + (bottom - top) + "px")); + fragment.appendChild( + elt( + "div", + null, + "CodeMirror-selected", + "position: absolute; left: " + + left + + "px; top: " + + top + + "px; width: " + + (width == null ? rightSide - left : width) + + "px; height: " + + (bottom - top) + + "px" + ) + ); } function drawForLine(line, fromArg, toArg) { @@ -2337,48 +2962,85 @@ return charCoords(cm, Pos(line, ch), "div", lineObj, bias); } - iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { - var leftPos = coords(from, "left"), rightPos, left, right; - if (from == to) { - rightPos = leftPos; - left = right = leftPos.left; - } else { - rightPos = coords(to - 1, "right"); - if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } - left = leftPos.left; - right = rightPos.right; - } - if (fromArg == null && from == 0) left = leftSide; - if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part - add(left, leftPos.top, null, leftPos.bottom); - left = leftSide; - if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); + iterateBidiSections( + getOrder(lineObj), + fromArg || 0, + toArg == null ? lineLen : toArg, + function (from, to, dir) { + var leftPos = coords(from, "left"), + rightPos, + left, + right; + if (from == to) { + rightPos = leftPos; + left = right = leftPos.left; + } else { + rightPos = coords(to - 1, "right"); + if (dir == "rtl") { + var tmp = leftPos; + leftPos = rightPos; + rightPos = tmp; + } + left = leftPos.left; + right = rightPos.right; + } + if (fromArg == null && from == 0) left = leftSide; + if (rightPos.top - leftPos.top > 3) { + // Different lines, draw top part + add(left, leftPos.top, null, leftPos.bottom); + left = leftSide; + if (leftPos.bottom < rightPos.top) + add(left, leftPos.bottom, null, rightPos.top); + } + if (toArg == null && to == lineLen) right = rightSide; + if ( + !start || + leftPos.top < start.top || + (leftPos.top == start.top && leftPos.left < start.left) + ) + start = leftPos; + if ( + !end || + rightPos.bottom > end.bottom || + (rightPos.bottom == end.bottom && rightPos.right > end.right) + ) + end = rightPos; + if (left < leftSide + 1) left = leftSide; + add(left, rightPos.top, right - left, rightPos.bottom); } - if (toArg == null && to == lineLen) right = rightSide; - if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) - start = leftPos; - if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) - end = rightPos; - if (left < leftSide + 1) left = leftSide; - add(left, rightPos.top, right - left, rightPos.bottom); - }); - return {start: start, end: end}; + ); + return { start: start, end: end }; } - var sFrom = range.from(), sTo = range.to(); + var sFrom = range.from(), + sTo = range.to(); if (sFrom.line == sTo.line) { drawForLine(sFrom.line, sFrom.ch, sTo.ch); } else { - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); + var fromLine = getLine(doc, sFrom.line), + toLine = getLine(doc, sTo.line); var singleVLine = visualLine(fromLine) == visualLine(toLine); - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; + var leftEnd = drawForLine( + sFrom.line, + sFrom.ch, + singleVLine ? fromLine.text.length + 1 : null + ).end; + var rightStart = drawForLine( + sTo.line, + singleVLine ? 0 : null, + sTo.ch + ).start; if (singleVLine) { if (leftEnd.top < rightStart.top - 2) { add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + add( + leftEnd.right, + leftEnd.top, + rightStart.left - leftEnd.right, + leftEnd.bottom + ); } } if (leftEnd.bottom < rightStart.top) @@ -2396,7 +3058,7 @@ var on = true; display.cursorDiv.style.visibility = ""; if (cm.options.cursorBlinkRate > 0) - display.blinker = setInterval(function() { + display.blinker = setInterval(function () { display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; }, cm.options.cursorBlinkRate); else if (cm.options.cursorBlinkRate < 0) @@ -2414,38 +3076,59 @@ var doc = cm.doc; if (doc.frontier < doc.first) doc.frontier = doc.first; if (doc.frontier >= cm.display.viewTo) return; - var end = +new Date + cm.options.workTime; + var end = +new Date() + cm.options.workTime; var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); var changedLines = []; - doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { - if (doc.frontier >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; - var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); - line.styles = highlighted.styles; - var oldCls = line.styleClasses, newCls = highlighted.classes; - if (newCls) line.styleClasses = newCls; - else if (oldCls) line.styleClasses = null; - var ischange = !oldStyles || oldStyles.length != line.styles.length || - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); - for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; - if (ischange) changedLines.push(doc.frontier); - line.stateAfter = tooLong ? state : copyState(doc.mode, state); - } else { - if (line.text.length <= cm.options.maxHighlightLength) - processLine(cm, line.text, state); - line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; - } - ++doc.frontier; - if (+new Date > end) { - startWorker(cm, cm.options.workDelay); - return true; + doc.iter( + doc.frontier, + Math.min(doc.first + doc.size, cm.display.viewTo + 500), + function (line) { + if (doc.frontier >= cm.display.viewFrom) { + // Visible + var oldStyles = line.styles, + tooLong = line.text.length > cm.options.maxHighlightLength; + var highlighted = highlightLine( + cm, + line, + tooLong ? copyState(doc.mode, state) : state, + true + ); + line.styles = highlighted.styles; + var oldCls = line.styleClasses, + newCls = highlighted.classes; + if (newCls) line.styleClasses = newCls; + else if (oldCls) line.styleClasses = null; + var ischange = + !oldStyles || + oldStyles.length != line.styles.length || + (oldCls != newCls && + (!oldCls || + !newCls || + oldCls.bgClass != newCls.bgClass || + oldCls.textClass != newCls.textClass)); + for (var i = 0; !ischange && i < oldStyles.length; ++i) + ischange = oldStyles[i] != line.styles[i]; + if (ischange) changedLines.push(doc.frontier); + line.stateAfter = tooLong ? state : copyState(doc.mode, state); + } else { + if (line.text.length <= cm.options.maxHighlightLength) + processLine(cm, line.text, state); + line.stateAfter = + doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; + } + ++doc.frontier; + if (+new Date() > end) { + startWorker(cm, cm.options.workDelay); + return true; + } } - }); - if (changedLines.length) runInOp(cm, function() { - for (var i = 0; i < changedLines.length; i++) - regLineChange(cm, changedLines[i], "text"); - }); + ); + if (changedLines.length) + runInOp(cm, function () { + for (var i = 0; i < changedLines.length; i++) + regLineChange(cm, changedLines[i], "text"); + }); } // Finds the line to start with when starting a parse. Tries to @@ -2454,12 +3137,15 @@ // smallest indentation, which tends to need the least context to // parse correctly. function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc; + var minindent, + minline, + doc = cm.doc; var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); for (var search = n; search > lim; --search) { if (search <= doc.first) return doc.first; var line = getLine(doc, search - 1); - if (line.stateAfter && (!precise || search <= doc.frontier)) return search; + if (line.stateAfter && (!precise || search <= doc.frontier)) + return search; var indented = countColumn(line.text, null, cm.options.tabSize); if (minline == null || minindent > indented) { minline = search - 1; @@ -2470,14 +3156,19 @@ } function getStateBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display; + var doc = cm.doc, + display = cm.display; if (!doc.mode.startState) return true; - var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; + var pos = findStartLine(cm, n, precise), + state = pos > doc.first && getLine(doc, pos - 1).stateAfter; if (!state) state = startState(doc.mode); else state = copyState(doc.mode, state); - doc.iter(pos, n, function(line) { + doc.iter(pos, n, function (line) { processLine(cm, line.text, state); - var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; + var save = + pos == n - 1 || + pos % 5 == 0 || + (pos >= display.viewFrom && pos < display.viewTo); line.stateAfter = save ? copyState(doc.mode, state) : null; ++pos; }); @@ -2487,23 +3178,38 @@ // POSITION MEASUREMENT - function paddingTop(display) {return display.lineSpace.offsetTop;} - function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} + function paddingTop(display) { + return display.lineSpace.offsetTop; + } + function paddingVert(display) { + return display.mover.offsetHeight - display.lineSpace.offsetHeight; + } function paddingH(display) { if (display.cachedPaddingH) return display.cachedPaddingH; var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); - var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; - var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; + var style = window.getComputedStyle + ? window.getComputedStyle(e) + : e.currentStyle; + var data = { + left: parseInt(style.paddingLeft), + right: parseInt(style.paddingRight), + }; if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; return data; } - function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } + function scrollGap(cm) { + return scrollerGap - cm.display.nativeBarWidth; + } function displayWidth(cm) { - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; + return ( + cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth + ); } function displayHeight(cm) { - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; + return ( + cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight + ); } // Ensure the lineView.wrapping.heights array is populated. This is @@ -2513,13 +3219,17 @@ function ensureLineHeights(cm, lineView, rect) { var wrapping = cm.options.lineWrapping; var curWidth = wrapping && displayWidth(cm); - if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { - var heights = lineView.measure.heights = []; + if ( + !lineView.measure.heights || + (wrapping && lineView.measure.width != curWidth) + ) { + var heights = (lineView.measure.heights = []); if (wrapping) { lineView.measure.width = curWidth; var rects = lineView.text.firstChild.getClientRects(); for (var i = 0; i < rects.length - 1; i++) { - var cur = rects[i], next = rects[i + 1]; + var cur = rects[i], + next = rects[i + 1]; if (Math.abs(cur.bottom - next.bottom) > 2) heights.push((cur.bottom + next.top) / 2 - rect.top); } @@ -2533,13 +3243,20 @@ // contain multiple lines when collapsed ranges are present.) function mapFromLineView(lineView, line, lineN) { if (lineView.line == line) - return {map: lineView.measure.map, cache: lineView.measure.cache}; + return { map: lineView.measure.map, cache: lineView.measure.cache }; for (var i = 0; i < lineView.rest.length; i++) if (lineView.rest[i] == line) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]}; + return { + map: lineView.measure.maps[i], + cache: lineView.measure.caches[i], + }; for (var i = 0; i < lineView.rest.length; i++) if (lineNo(lineView.rest[i]) > lineN) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true}; + return { + map: lineView.measure.maps[i], + cache: lineView.measure.caches[i], + before: true, + }; } // Render a line into the hidden node display.externalMeasured. Used @@ -2547,9 +3264,13 @@ function updateExternalMeasurement(cm, line) { line = visualLine(line); var lineN = lineNo(line); - var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); + var view = (cm.display.externalMeasured = new LineView( + cm.doc, + line, + lineN + )); view.lineN = lineN; - var built = view.built = buildLineContent(cm, view); + var built = (view.built = buildLineContent(cm, view)); view.text = built.pre; removeChildrenAndAdd(cm.display.lineMeasure, built.pre); return view; @@ -2566,8 +3287,7 @@ if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) return cm.display.view[findViewIndex(cm, lineN)]; var ext = cm.display.externalMeasured; - if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) - return ext; + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) return ext; } // Measurement can be split in two steps, the set-up work that @@ -2584,14 +3304,17 @@ updateLineForChanges(cm, view, lineN, getDimensions(cm)); cm.curOp.forceUpdate = true; } - if (!view) - view = updateExternalMeasurement(cm, line); + if (!view) view = updateExternalMeasurement(cm, line); var info = mapFromLineView(view, line, lineN); return { - line: line, view: view, rect: null, - map: info.map, cache: info.cache, before: info.before, - hasHeights: false + line: line, + view: view, + rect: null, + map: info.map, + cache: info.cache, + before: info.before, + hasHeights: false, }; } @@ -2599,7 +3322,8 @@ // actual character (or fetches it from the cache). function measureCharPrepared(cm, prepared, ch, bias, varHeight) { if (prepared.before) ch = -1; - var key = ch + (bias || ""), found; + var key = ch + (bias || ""), + found; if (prepared.cache.hasOwnProperty(key)) { found = prepared.cache[key]; } else { @@ -2612,26 +3336,31 @@ found = measureCharInner(cm, prepared, ch, bias); if (!found.bogus) prepared.cache[key] = found; } - return {left: found.left, right: found.right, - top: varHeight ? found.rtop : found.top, - bottom: varHeight ? found.rbottom : found.bottom}; + return { + left: found.left, + right: found.right, + top: varHeight ? found.rtop : found.top, + bottom: varHeight ? found.rbottom : found.bottom, + }; } - var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; + var nullRect = { left: 0, right: 0, top: 0, bottom: 0 }; function nodeAndOffsetInLineMap(map, ch, bias) { var node, start, end, collapse; // First, search the line map for the text node corresponding to, // or closest to, the target character. for (var i = 0; i < map.length; i += 3) { - var mStart = map[i], mEnd = map[i + 1]; + var mStart = map[i], + mEnd = map[i + 1]; if (ch < mStart) { - start = 0; end = 1; + start = 0; + end = 1; collapse = "left"; } else if (ch < mEnd) { start = ch - mStart; end = start + 1; - } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { + } else if (i == map.length - 3 || (ch == mEnd && map[i + 3] > ch)) { end = mEnd - mStart; start = end - 1; if (ch >= mEnd) collapse = "right"; @@ -2646,33 +3375,61 @@ collapse = "left"; } if (bias == "right" && start == mEnd - mStart) - while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { + while ( + i < map.length - 3 && + map[i + 3] == map[i + 4] && + !map[i + 5].insertLeft + ) { node = map[(i += 3) + 2]; collapse = "right"; } break; } } - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; + return { + node: node, + start: start, + end: end, + collapse: collapse, + coverStart: mStart, + coverEnd: mEnd, + }; } function measureCharInner(cm, prepared, ch, bias) { var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); - var node = place.node, start = place.start, end = place.end, collapse = place.collapse; + var node = place.node, + start = place.start, + end = place.end, + collapse = place.collapse; var rect; - if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; - if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) { + if (node.nodeType == 3) { + // If it is a text node, use a range to retrieve the coordinates. + for (var i = 0; i < 4; i++) { + // Retry a maximum of 4 times when nonsense rectangles are returned + while ( + start && + isExtendingChar(prepared.line.text.charAt(place.coverStart + start)) + ) + --start; + while ( + place.coverStart + end < place.coverEnd && + isExtendingChar(prepared.line.text.charAt(place.coverStart + end)) + ) + ++end; + if ( + ie && + ie_version < 9 && + start == 0 && + end == place.coverEnd - place.coverStart + ) { rect = node.parentNode.getBoundingClientRect(); } else if (ie && cm.options.lineWrapping) { var rects = range(node, start, end).getClientRects(); if (rects.length) rect = rects[bias == "right" ? rects.length - 1 : 0]; - else - rect = nullRect; + else rect = nullRect; } else { rect = range(node, start, end).getBoundingClientRect() || nullRect; } @@ -2681,34 +3438,51 @@ start = start - 1; collapse = "right"; } - if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); - } else { // If it is a widget, simply get the box for the whole widget. + if (ie && ie_version < 11) + rect = maybeUpdateRectForZooming(cm.display.measure, rect); + } else { + // If it is a widget, simply get the box for the whole widget. if (start > 0) collapse = bias = "right"; var rects; if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) rect = rects[bias == "right" ? rects.length - 1 : 0]; - else - rect = node.getBoundingClientRect(); - } - if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { + else rect = node.getBoundingClientRect(); + } + if ( + ie && + ie_version < 9 && + !start && + (!rect || (!rect.left && !rect.right)) + ) { var rSpan = node.parentNode.getClientRects()[0]; if (rSpan) - rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; - else - rect = nullRect; + rect = { + left: rSpan.left, + right: rSpan.left + charWidth(cm.display), + top: rSpan.top, + bottom: rSpan.bottom, + }; + else rect = nullRect; } - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; + var rtop = rect.top - prepared.rect.top, + rbot = rect.bottom - prepared.rect.top; var mid = (rtop + rbot) / 2; var heights = prepared.view.measure.heights; - for (var i = 0; i < heights.length - 1; i++) - if (mid < heights[i]) break; - var top = i ? heights[i - 1] : 0, bot = heights[i]; - var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, - right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, - top: top, bottom: bot}; + for (var i = 0; i < heights.length - 1; i++) if (mid < heights[i]) break; + var top = i ? heights[i - 1] : 0, + bot = heights[i]; + var result = { + left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, + top: top, + bottom: bot, + }; if (!rect.left && !rect.right) result.bogus = true; - if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } + if (!cm.options.singleCursorHeightPerLine) { + result.rtop = rtop; + result.rbottom = rbot; + } return result; } @@ -2716,21 +3490,30 @@ // Work around problem with bounding client rects on ranges being // returned incorrectly when zoomed on IE10 and below. function maybeUpdateRectForZooming(measure, rect) { - if (!window.screen || screen.logicalXDPI == null || - screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) + if ( + !window.screen || + screen.logicalXDPI == null || + screen.logicalXDPI == screen.deviceXDPI || + !hasBadZoomedRects(measure) + ) return rect; var scaleX = screen.logicalXDPI / screen.deviceXDPI; var scaleY = screen.logicalYDPI / screen.deviceYDPI; - return {left: rect.left * scaleX, right: rect.right * scaleX, - top: rect.top * scaleY, bottom: rect.bottom * scaleY}; + return { + left: rect.left * scaleX, + right: rect.right * scaleX, + top: rect.top * scaleY, + bottom: rect.bottom * scaleY, + }; } function clearLineMeasurementCacheFor(lineView) { if (lineView.measure) { lineView.measure.cache = {}; lineView.measure.heights = null; - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - lineView.measure.caches[i] = {}; + if (lineView.rest) + for (var i = 0; i < lineView.rest.length; i++) + lineView.measure.caches[i] = {}; } } @@ -2743,23 +3526,39 @@ function clearCaches(cm) { clearLineMeasurementCache(cm); - cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; + cm.display.cachedCharWidth = + cm.display.cachedTextHeight = + cm.display.cachedPaddingH = + null; if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; cm.display.lineNumChars = null; } - function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } - function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } + function pageScrollX() { + return ( + window.pageXOffset || + (document.documentElement || document.body).scrollLeft + ); + } + function pageScrollY() { + return ( + window.pageYOffset || + (document.documentElement || document.body).scrollTop + ); + } // Converts a {top, bottom, left, right} box from line-local // coordinates into another coordinate system. Context may be one of // "line", "div" (display.lineDiv), "local"/null (editor), "window", // or "page". function intoCoordSystem(cm, lineObj, rect, context) { - if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { - var size = widgetHeight(lineObj.widgets[i]); - rect.top += size; rect.bottom += size; - } + if (lineObj.widgets) + for (var i = 0; i < lineObj.widgets.length; ++i) + if (lineObj.widgets[i].above) { + var size = widgetHeight(lineObj.widgets[i]); + rect.top += size; + rect.bottom += size; + } if (context == "line") return rect; if (!context) context = "local"; var yOff = heightAtLine(lineObj); @@ -2769,9 +3568,11 @@ var lOff = cm.display.lineSpace.getBoundingClientRect(); yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); - rect.left += xOff; rect.right += xOff; + rect.left += xOff; + rect.right += xOff; } - rect.top += yOff; rect.bottom += yOff; + rect.top += yOff; + rect.bottom += yOff; return rect; } @@ -2779,7 +3580,8 @@ // Context may be "window", "page", "div", or "local"/null. function fromCoordSystem(cm, coords, context) { if (context == "div") return coords; - var left = coords.left, top = coords.top; + var left = coords.left, + top = coords.top; // First move into "page" coordinate system if (context == "page") { left -= pageScrollX(); @@ -2791,12 +3593,17 @@ } var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; + return { left: left - lineSpaceBox.left, top: top - lineSpaceBox.top }; } function charCoords(cm, pos, context, lineObj, bias) { if (!lineObj) lineObj = getLine(cm.doc, pos.line); - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); + return intoCoordSystem( + cm, + lineObj, + measureChar(cm, lineObj, pos.ch, bias), + context + ); } // Returns a box for a given cursor position, which may have an @@ -2806,25 +3613,42 @@ lineObj = lineObj || getLine(cm.doc, pos.line); if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); function get(ch, right) { - var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); - if (right) m.left = m.right; else m.right = m.left; + var m = measureCharPrepared( + cm, + preparedMeasure, + ch, + right ? "right" : "left", + varHeight + ); + if (right) m.left = m.right; + else m.right = m.left; return intoCoordSystem(cm, lineObj, m, context); } function getBidi(ch, partPos) { - var part = order[partPos], right = part.level % 2; - if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { + var part = order[partPos], + right = part.level % 2; + if ( + ch == bidiLeft(part) && + partPos && + part.level < order[partPos - 1].level + ) { part = order[--partPos]; ch = bidiRight(part) - (part.level % 2 ? 0 : 1); right = true; - } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { + } else if ( + ch == bidiRight(part) && + partPos < order.length - 1 && + part.level < order[partPos + 1].level + ) { part = order[++partPos]; - ch = bidiLeft(part) - part.level % 2; + ch = bidiLeft(part) - (part.level % 2); right = false; } if (right && ch == part.to && ch > part.from) return get(ch - 1); return get(ch, right); } - var order = getOrder(lineObj), ch = pos.ch; + var order = getOrder(lineObj), + ch = pos.ch; if (!order) return get(ch); var partPos = getBidiPartAt(order, ch); var val = getBidi(ch, partPos); @@ -2835,11 +3659,12 @@ // Used to cheaply estimate the coordinates for a position. Used for // intermediate scroll updates. function estimateCoords(cm, pos) { - var left = 0, pos = clipPos(cm.doc, pos); + var left = 0, + pos = clipPos(cm.doc, pos); if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; var lineObj = getLine(cm.doc, pos.line); var top = heightAtLine(lineObj) + paddingTop(cm.display); - return {left: left, right: left, top: top, bottom: top + lineObj.height}; + return { left: left, right: left, top: top, bottom: top + lineObj.height }; } // Positions returned by coordsChar contain some extra information. @@ -2861,9 +3686,15 @@ var doc = cm.doc; y += cm.display.viewOffset; if (y < 0) return PosWithInfo(doc.first, 0, true, -1); - var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; + var lineN = lineAtHeight(doc, y), + last = doc.first + doc.size - 1; if (lineN > last) - return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); + return PosWithInfo( + doc.first + doc.size - 1, + getLine(doc, last).text.length, + true, + 1 + ); if (x < 0) x = 0; var lineObj = getLine(doc, lineN); @@ -2871,20 +3702,30 @@ var found = coordsCharInner(cm, lineObj, lineN, x, y); var merged = collapsedSpanAtEnd(lineObj); var mergedPos = merged && merged.find(0, true); - if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) - lineN = lineNo(lineObj = mergedPos.to.line); - else - return found; + if ( + merged && + (found.ch > mergedPos.from.ch || + (found.ch == mergedPos.from.ch && found.xRel > 0)) + ) + lineN = lineNo((lineObj = mergedPos.to.line)); + else return found; } } function coordsCharInner(cm, lineObj, lineNo, x, y) { var innerOff = y - heightAtLine(lineObj); - var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; + var wrongLine = false, + adjust = 2 * cm.display.wrapper.clientWidth; var preparedMeasure = prepareMeasureForLine(cm, lineObj); function getX(ch) { - var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); + var sp = cursorCoords( + cm, + Pos(lineNo, ch), + "line", + lineObj, + preparedMeasure + ); wrongLine = true; if (innerOff > sp.bottom) return sp.left - adjust; else if (innerOff < sp.top) return sp.left + adjust; @@ -2892,29 +3733,53 @@ return sp.left; } - var bidi = getOrder(lineObj), dist = lineObj.text.length; - var from = lineLeft(lineObj), to = lineRight(lineObj); - var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; + var bidi = getOrder(lineObj), + dist = lineObj.text.length; + var from = lineLeft(lineObj), + to = lineRight(lineObj); + var fromX = getX(from), + fromOutside = wrongLine, + toX = getX(to), + toOutside = wrongLine; if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); // Do a binary search between these bounds. for (;;) { - if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { + if ( + bidi + ? to == from || to == moveVisually(lineObj, from, 1) + : to - from <= 1 + ) { var ch = x < fromX || x - fromX <= toX - x ? from : to; var xDiff = x - (ch == from ? fromX : toX); while (isExtendingChar(lineObj.text.charAt(ch))) ++ch; - var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside, - xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0); + var pos = PosWithInfo( + lineNo, + ch, + ch == from ? fromOutside : toOutside, + xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0 + ); return pos; } - var step = Math.ceil(dist / 2), middle = from + step; + var step = Math.ceil(dist / 2), + middle = from + step; if (bidi) { middle = from; - for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); + for (var i = 0; i < step; ++i) + middle = moveVisually(lineObj, middle, 1); } var middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} - else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} + if (middleX > x) { + to = middle; + toX = middleX; + if ((toOutside = wrongLine)) toX += 1000; + dist = step; + } else { + from = middle; + fromX = middleX; + fromOutside = wrongLine; + dist -= step; + } } } @@ -2945,7 +3810,8 @@ var anchor = elt("span", "xxxxxxxxxx"); var pre = elt("pre", [anchor]); removeChildrenAndAdd(display.measure, pre); - var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; + var rect = anchor.getBoundingClientRect(), + width = (rect.right - rect.left) / 10; if (width > 2) display.cachedCharWidth = width; return width || 10; } @@ -2965,27 +3831,28 @@ function startOperation(cm) { cm.curOp = { cm: cm, - viewChanged: false, // Flag that indicates that lines might need to be redrawn + viewChanged: false, // Flag that indicates that lines might need to be redrawn startHeight: cm.doc.height, // Used to detect need to update scrollbar - forceUpdate: false, // Used to force a redraw - updateInput: null, // Whether to reset the input textarea - typing: false, // Whether this reset should be careful to leave existing text (for compositing) - changeObjs: null, // Accumulated changes, for firing change events + forceUpdate: false, // Used to force a redraw + updateInput: null, // Whether to reset the input textarea + typing: false, // Whether this reset should be careful to leave existing text (for compositing) + changeObjs: null, // Accumulated changes, for firing change events cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already selectionChanged: false, // Whether the selection needs to be redrawn - updateMaxLine: false, // Set when the widest line needs to be determined anew - scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet - scrollToPos: null, // Used to scroll to a specific position + updateMaxLine: false, // Set when the widest line needs to be determined anew + scrollLeft: null, + scrollTop: null, // Intermediate scroll position, not pushed to DOM yet + scrollToPos: null, // Used to scroll to a specific position focus: false, - id: ++nextOpId // Unique ID + id: ++nextOpId, // Unique ID }; if (operationGroup) { operationGroup.ops.push(cm.curOp); } else { cm.curOp.ownsGroup = operationGroup = { ops: [cm.curOp], - delayedCallbacks: [] + delayedCallbacks: [], }; } } @@ -2993,29 +3860,33 @@ function fireCallbacksForOps(group) { // Calls delayed callbacks and cursorActivity handlers until no // new ones appear - var callbacks = group.delayedCallbacks, i = 0; + var callbacks = group.delayedCallbacks, + i = 0; do { - for (; i < callbacks.length; i++) - callbacks[i].call(null); + for (; i < callbacks.length; i++) callbacks[i].call(null); for (var j = 0; j < group.ops.length; j++) { var op = group.ops[j]; if (op.cursorActivityHandlers) while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); + op.cursorActivityHandlers[op.cursorActivityCalled++].call( + null, + op.cm + ); } } while (i < callbacks.length); } // Finish an operation, updating the display and signalling delayed events function endOperation(cm) { - var op = cm.curOp, group = op.ownsGroup; + var op = cm.curOp, + group = op.ownsGroup; if (!group) return; - try { fireCallbacksForOps(group); } - finally { + try { + fireCallbacksForOps(group); + } finally { operationGroup = null; - for (var i = 0; i < group.ops.length; i++) - group.ops[i].cm.curOp = null; + for (var i = 0; i < group.ops.length; i++) group.ops[i].cm.curOp = null; endOperations(group); } } @@ -3024,37 +3895,69 @@ // that the minimum number of relayouts are required. function endOperations(group) { var ops = group.ops; - for (var i = 0; i < ops.length; i++) // Read DOM + for ( + var i = 0; + i < ops.length; + i++ // Read DOM + ) endOperation_R1(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) + for ( + var i = 0; + i < ops.length; + i++ // Write DOM (maybe) + ) endOperation_W1(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM + for ( + var i = 0; + i < ops.length; + i++ // Read DOM + ) endOperation_R2(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) + for ( + var i = 0; + i < ops.length; + i++ // Write DOM (maybe) + ) endOperation_W2(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM + for ( + var i = 0; + i < ops.length; + i++ // Read DOM + ) endOperation_finish(ops[i]); } function endOperation_R1(op) { - var cm = op.cm, display = cm.display; + var cm = op.cm, + display = cm.display; maybeClipScrollbars(cm); if (op.updateMaxLine) findMaxLine(cm); - op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || - op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || - op.scrollToPos.to.line >= display.viewTo) || - display.maxLineChanged && cm.options.lineWrapping; - op.update = op.mustUpdate && - new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); + op.mustUpdate = + op.viewChanged || + op.forceUpdate || + op.scrollTop != null || + (op.scrollToPos && + (op.scrollToPos.from.line < display.viewFrom || + op.scrollToPos.to.line >= display.viewTo)) || + (display.maxLineChanged && cm.options.lineWrapping); + op.update = + op.mustUpdate && + new DisplayUpdate( + cm, + op.mustUpdate && { top: op.scrollTop, ensure: op.scrollToPos }, + op.forceUpdate + ); } function endOperation_W1(op) { - op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); + op.updatedDisplay = + op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); } function endOperation_R2(op) { - var cm = op.cm, display = cm.display; + var cm = op.cm, + display = cm.display; if (op.updatedDisplay) updateHeightsInViewport(cm); op.barMeasure = measureForScrollbars(cm); @@ -3063,11 +3966,20 @@ // and ensure the document's width matches it. // updateDisplay_W2 will use these properties to do the actual resizing if (display.maxLineChanged && !cm.options.lineWrapping) { - op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; + op.adjustWidthTo = + measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; cm.display.sizerWidth = op.adjustWidthTo; - op.barMeasure.scrollWidth = - Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); + op.barMeasure.scrollWidth = Math.max( + display.scroller.clientWidth, + display.sizer.offsetLeft + + op.adjustWidthTo + + scrollGap(cm) + + cm.display.barWidth + ); + op.maxScrollLeft = Math.max( + 0, + display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm) + ); } if (op.updatedDisplay || op.selectionChanged) @@ -3080,103 +3992,143 @@ if (op.adjustWidthTo != null) { cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; if (op.maxScrollLeft < cm.doc.scrollLeft) - setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); + setScrollLeft( + cm, + Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), + true + ); cm.display.maxLineChanged = false; } if (op.preparedSelection) cm.display.input.showSelection(op.preparedSelection); - if (op.updatedDisplay) - setDocumentHeight(cm, op.barMeasure); + if (op.updatedDisplay) setDocumentHeight(cm, op.barMeasure); if (op.updatedDisplay || op.startHeight != cm.doc.height) updateScrollbars(cm, op.barMeasure); if (op.selectionChanged) restartBlink(cm); - if (cm.state.focused && op.updateInput) - cm.display.input.reset(op.typing); + if (cm.state.focused && op.updateInput) cm.display.input.reset(op.typing); if (op.focus && op.focus == activeElt()) ensureFocus(op.cm); } function endOperation_finish(op) { - var cm = op.cm, display = cm.display, doc = cm.doc; + var cm = op.cm, + display = cm.display, + doc = cm.doc; if (op.updatedDisplay) postUpdateDisplay(cm, op.update); // Abort mouse wheel delta measurement, when scrolling explicitly - if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) + if ( + display.wheelStartX != null && + (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos) + ) display.wheelStartX = display.wheelStartY = null; // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { - doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); + if ( + op.scrollTop != null && + (display.scroller.scrollTop != op.scrollTop || op.forceScroll) + ) { + doc.scrollTop = Math.max( + 0, + Math.min( + display.scroller.scrollHeight - display.scroller.clientHeight, + op.scrollTop + ) + ); display.scrollbars.setScrollTop(doc.scrollTop); display.scroller.scrollTop = doc.scrollTop; } - if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { - doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - displayWidth(cm), op.scrollLeft)); + if ( + op.scrollLeft != null && + (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll) + ) { + doc.scrollLeft = Math.max( + 0, + Math.min(display.scroller.scrollWidth - displayWidth(cm), op.scrollLeft) + ); display.scrollbars.setScrollLeft(doc.scrollLeft); display.scroller.scrollLeft = doc.scrollLeft; alignHorizontally(cm); } // If we need to scroll a specific position into view, do so. if (op.scrollToPos) { - var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); - if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); + var coords = scrollPosIntoView( + cm, + clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), + op.scrollToPos.margin + ); + if (op.scrollToPos.isCursor && cm.state.focused) + maybeScrollWindow(cm, coords); } // Fire events for markers that are hidden/unidden by editing or // undoing - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; - if (hidden) for (var i = 0; i < hidden.length; ++i) - if (!hidden[i].lines.length) signal(hidden[i], "hide"); - if (unhidden) for (var i = 0; i < unhidden.length; ++i) - if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); + var hidden = op.maybeHiddenMarkers, + unhidden = op.maybeUnhiddenMarkers; + if (hidden) + for (var i = 0; i < hidden.length; ++i) + if (!hidden[i].lines.length) signal(hidden[i], "hide"); + if (unhidden) + for (var i = 0; i < unhidden.length; ++i) + if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); if (display.wrapper.offsetHeight) doc.scrollTop = cm.display.scroller.scrollTop; // Fire change events, and delayed event handlers - if (op.changeObjs) - signal(cm, "changes", cm, op.changeObjs); - if (op.update) - op.update.finish(); + if (op.changeObjs) signal(cm, "changes", cm, op.changeObjs); + if (op.update) op.update.finish(); } // Run the given function in an operation function runInOp(cm, f) { if (cm.curOp) return f(); startOperation(cm); - try { return f(); } - finally { endOperation(cm); } + try { + return f(); + } finally { + endOperation(cm); + } } // Wraps a function in an operation. Returns the wrapped function. function operation(cm, f) { - return function() { + return function () { if (cm.curOp) return f.apply(cm, arguments); startOperation(cm); - try { return f.apply(cm, arguments); } - finally { endOperation(cm); } + try { + return f.apply(cm, arguments); + } finally { + endOperation(cm); + } }; } // Used to add methods to editor and doc instances, wrapping them in // operations. function methodOp(f) { - return function() { + return function () { if (this.curOp) return f.apply(this, arguments); startOperation(this); - try { return f.apply(this, arguments); } - finally { endOperation(this); } + try { + return f.apply(this, arguments); + } finally { + endOperation(this); + } }; } function docMethodOp(f) { - return function() { + return function () { var cm = this.cm; if (!cm || cm.curOp) return f.apply(this, arguments); startOperation(cm); - try { return f.apply(this, arguments); } - finally { endOperation(cm); } + try { + return f.apply(this, arguments); + } finally { + endOperation(cm); + } }; } @@ -3198,7 +4150,8 @@ // Create a range of LineView objects for the given lines. function buildViewArray(cm, from, to) { - var array = [], nextPos; + var array = [], + nextPos; for (var pos = from; pos < to; pos = nextPos) { var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); nextPos = pos + view.size; @@ -3219,25 +4172,35 @@ if (!lendiff) lendiff = 0; var display = cm.display; - if (lendiff && to < display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers > from)) + if ( + lendiff && + to < display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers > from) + ) display.updateLineNumbers = from; cm.curOp.viewChanged = true; - if (from >= display.viewTo) { // Change after + if (from >= display.viewTo) { + // Change after if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) resetView(cm); - } else if (to <= display.viewFrom) { // Change before - if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { + } else if (to <= display.viewFrom) { + // Change before + if ( + sawCollapsedSpans && + visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom + ) { resetView(cm); } else { display.viewFrom += lendiff; display.viewTo += lendiff; } - } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap + } else if (from <= display.viewFrom && to >= display.viewTo) { + // Full overlap resetView(cm); - } else if (from <= display.viewFrom) { // Top overlap + } else if (from <= display.viewFrom) { + // Top overlap var cut = viewCuttingPoint(cm, to, to + lendiff, 1); if (cut) { display.view = display.view.slice(cut.index); @@ -3246,7 +4209,8 @@ } else { resetView(cm); } - } else if (to >= display.viewTo) { // Bottom overlap + } else if (to >= display.viewTo) { + // Bottom overlap var cut = viewCuttingPoint(cm, from, from, -1); if (cut) { display.view = display.view.slice(0, cut.index); @@ -3254,11 +4218,13 @@ } else { resetView(cm); } - } else { // Gap in the middle + } else { + // Gap in the middle var cutTop = viewCuttingPoint(cm, from, from, -1); var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); if (cutTop && cutBot) { - display.view = display.view.slice(0, cutTop.index) + display.view = display.view + .slice(0, cutTop.index) .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) .concat(display.view.slice(cutBot.index)); display.viewTo += lendiff; @@ -3269,10 +4235,8 @@ var ext = display.externalMeasured; if (ext) { - if (to < ext.lineN) - ext.lineN += lendiff; - else if (from < ext.lineN + ext.size) - display.externalMeasured = null; + if (to < ext.lineN) ext.lineN += lendiff; + else if (from < ext.lineN + ext.size) display.externalMeasured = null; } } @@ -3280,7 +4244,8 @@ // "gutter", "class", "widget" function regLineChange(cm, line, type) { cm.curOp.viewChanged = true; - var display = cm.display, ext = cm.display.externalMeasured; + var display = cm.display, + ext = cm.display.externalMeasured; if (ext && line >= ext.lineN && line < ext.lineN + ext.size) display.externalMeasured = null; @@ -3312,44 +4277,51 @@ } function viewCuttingPoint(cm, oldN, newN, dir) { - var index = findViewIndex(cm, oldN), diff, view = cm.display.view; + var index = findViewIndex(cm, oldN), + diff, + view = cm.display.view; if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) - return {index: index, lineN: newN}; - for (var i = 0, n = cm.display.viewFrom; i < index; i++) - n += view[i].size; + return { index: index, lineN: newN }; + for (var i = 0, n = cm.display.viewFrom; i < index; i++) n += view[i].size; if (n != oldN) { if (dir > 0) { if (index == view.length - 1) return null; - diff = (n + view[index].size) - oldN; + diff = n + view[index].size - oldN; index++; } else { diff = n - oldN; } - oldN += diff; newN += diff; + oldN += diff; + newN += diff; } while (visualLineNo(cm.doc, newN) != newN) { if (index == (dir < 0 ? 0 : view.length - 1)) return null; newN += dir * view[index - (dir < 0 ? 1 : 0)].size; index += dir; } - return {index: index, lineN: newN}; + return { index: index, lineN: newN }; } // Force the view to cover a given range, adding empty view element // or clipping off existing ones as needed. function adjustView(cm, from, to) { - var display = cm.display, view = display.view; + var display = cm.display, + view = display.view; if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { display.view = buildViewArray(cm, from, to); display.viewFrom = from; } else { if (display.viewFrom > from) - display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); + display.view = buildViewArray(cm, from, display.viewFrom).concat( + display.view + ); else if (display.viewFrom < from) display.view = display.view.slice(findViewIndex(cm, from)); display.viewFrom = from; if (display.viewTo < to) - display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); + display.view = display.view.concat( + buildViewArray(cm, display.viewTo, to) + ); else if (display.viewTo > to) display.view = display.view.slice(0, findViewIndex(cm, to)); } @@ -3359,7 +4331,8 @@ // Count the number of lines in the view whose DOM representation is // out of date (or nonexistent). function countDirtyView(cm) { - var view = cm.display.view, dirty = 0; + var view = cm.display.view, + dirty = 0; for (var i = 0; i < view.length; i++) { var lineView = view[i]; if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; @@ -3375,30 +4348,43 @@ on(d.scroller, "mousedown", operation(cm, onMouseDown)); // Older IE's will not fire a second mousedown for a double click if (ie && ie_version < 11) - on(d.scroller, "dblclick", operation(cm, function(e) { - if (signalDOMEvent(cm, e)) return; - var pos = posFromMouse(cm, e); - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; - e_preventDefault(e); - var word = cm.findWordAt(pos); - extendSelection(cm.doc, word.anchor, word.head); - })); + on( + d.scroller, + "dblclick", + operation(cm, function (e) { + if (signalDOMEvent(cm, e)) return; + var pos = posFromMouse(cm, e); + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) + return; + e_preventDefault(e); + var word = cm.findWordAt(pos); + extendSelection(cm.doc, word.anchor, word.head); + }) + ); else - on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); + on(d.scroller, "dblclick", function (e) { + signalDOMEvent(cm, e) || e_preventDefault(e); + }); // Some browsers fire contextmenu *after* opening the menu, at // which point we can't mess with it anymore. Context menu is // handled in onMouseDown for these browsers. - if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); + if (!captureRightClick) + on(d.scroller, "contextmenu", function (e) { + onContextMenu(cm, e); + }); // Used to suppress mouse event handling when a touch happens - var touchFinished, prevTouch = {end: 0}; + var touchFinished, + prevTouch = { end: 0 }; function finishTouch() { if (d.activeTouch) { - touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); + touchFinished = setTimeout(function () { + d.activeTouch = null; + }, 1000); prevTouch = d.activeTouch; - prevTouch.end = +new Date; + prevTouch.end = +new Date(); } - }; + } function isMouseLikeTouchEvent(e) { if (e.touches.length != 1) return false; var touch = e.touches[0]; @@ -3406,35 +4392,51 @@ } function farAway(touch, other) { if (other.left == null) return true; - var dx = other.left - touch.left, dy = other.top - touch.top; + var dx = other.left - touch.left, + dy = other.top - touch.top; return dx * dx + dy * dy > 20 * 20; } - on(d.scroller, "touchstart", function(e) { + on(d.scroller, "touchstart", function (e) { if (!isMouseLikeTouchEvent(e)) { clearTimeout(touchFinished); - var now = +new Date; - d.activeTouch = {start: now, moved: false, - prev: now - prevTouch.end <= 300 ? prevTouch : null}; + var now = +new Date(); + d.activeTouch = { + start: now, + moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null, + }; if (e.touches.length == 1) { d.activeTouch.left = e.touches[0].pageX; d.activeTouch.top = e.touches[0].pageY; } } }); - on(d.scroller, "touchmove", function() { + on(d.scroller, "touchmove", function () { if (d.activeTouch) d.activeTouch.moved = true; }); - on(d.scroller, "touchend", function(e) { + on(d.scroller, "touchend", function (e) { var touch = d.activeTouch; - if (touch && !eventInWidget(d, e) && touch.left != null && - !touch.moved && new Date - touch.start < 300) { - var pos = cm.coordsChar(d.activeTouch, "page"), range; - if (!touch.prev || farAway(touch, touch.prev)) // Single tap + if ( + touch && + !eventInWidget(d, e) && + touch.left != null && + !touch.moved && + new Date() - touch.start < 300 + ) { + var pos = cm.coordsChar(d.activeTouch, "page"), + range; + if (!touch.prev || farAway(touch, touch.prev)) + // Single tap range = new Range(pos, pos); - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) + // Double tap range = cm.findWordAt(pos); - else // Triple tap - range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); + // Triple tap + else + range = new Range( + Pos(pos.line, 0), + clipPos(cm.doc, Pos(pos.line + 1, 0)) + ); cm.setSelection(range.anchor, range.head); cm.focus(); e_preventDefault(e); @@ -3445,7 +4447,7 @@ // Sync scrolling between fake scrollbars and real scrollable // area, ensure viewport is updated when scrolling. - on(d.scroller, "scroll", function() { + on(d.scroller, "scroll", function () { if (d.scroller.clientHeight) { setScrollTop(cm, d.scroller.scrollTop); setScrollLeft(cm, d.scroller.scrollLeft, true); @@ -3454,22 +4456,41 @@ }); // Listen to wheel events in order to try and update the viewport on time. - on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); - on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); + on(d.scroller, "mousewheel", function (e) { + onScrollWheel(cm, e); + }); + on(d.scroller, "DOMMouseScroll", function (e) { + onScrollWheel(cm, e); + }); // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + on(d.wrapper, "scroll", function () { + d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; + }); d.dragFunctions = { - enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, - over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, - start: function(e){onDragStart(cm, e);}, + enter: function (e) { + if (!signalDOMEvent(cm, e)) e_stop(e); + }, + over: function (e) { + if (!signalDOMEvent(cm, e)) { + onDragOver(cm, e); + e_stop(e); + } + }, + start: function (e) { + onDragStart(cm, e); + }, drop: operation(cm, onDrop), - leave: function() {clearDragCursor(cm);} + leave: function () { + clearDragCursor(cm); + }, }; var inp = d.input.getField(); - on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); + on(inp, "keyup", function (e) { + onKeyUp.call(cm, e); + }); on(inp, "keydown", operation(cm, onKeyDown)); on(inp, "keypress", operation(cm, onKeyPress)); on(inp, "focus", bind(onFocus, cm)); @@ -3492,7 +4513,10 @@ // Called when the window resizes function onResize(cm) { var d = cm.display; - if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) + if ( + d.lastWrapHeight == d.wrapper.clientHeight && + d.lastWrapWidth == d.wrapper.clientWidth + ) return; // Might be a text scaling operation, clear size caches. d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; @@ -3505,8 +4529,11 @@ // Return true when the given mouse event happened in a widget function eventInWidget(display, e) { for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || - (n.parentNode == display.sizer && n != display.mover)) + if ( + !n || + (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover) + ) return true; } } @@ -3518,16 +4545,36 @@ // coordinates beyond the right of the text. function posFromMouse(cm, e, liberal, forRect) { var display = cm.display; - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") + return null; - var x, y, space = display.lineSpace.getBoundingClientRect(); + var x, + y, + space = display.lineSpace.getBoundingClientRect(); // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX - space.left; y = e.clientY - space.top; } - catch (e) { return null; } - var coords = coordsChar(cm, x, y), line; - if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + try { + x = e.clientX - space.left; + y = e.clientY - space.top; + } catch (e) { + return null; + } + var coords = coordsChar(cm, x, y), + line; + if ( + forRect && + coords.xRel == 1 && + (line = getLine(cm.doc, coords.line).text).length == coords.ch + ) { + var colDiff = + countColumn(line, line.length, cm.options.tabSize) - line.length; + coords = Pos( + coords.line, + Math.max( + 0, + Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - + colDiff + ) + ); } return coords; } @@ -3538,8 +4585,13 @@ // middle-click-paste. Or it might be a click on something we should // not interfere with, such as a scrollbar or widget. function onMouseDown(e) { - var cm = this, display = cm.display; - if (display.activeTouch && display.input.supportsTouch() || signalDOMEvent(cm, e)) return; + var cm = this, + display = cm.display; + if ( + (display.activeTouch && display.input.supportsTouch()) || + signalDOMEvent(cm, e) + ) + return; display.shift = e.shiftKey; if (eventInWidget(display, e)) { @@ -3547,7 +4599,9 @@ // Briefly turn off draggability, to allow widgets to do // normal dragging things. display.scroller.draggable = false; - setTimeout(function(){display.scroller.draggable = true;}, 100); + setTimeout(function () { + display.scroller.draggable = true; + }, 100); } return; } @@ -3556,25 +4610,24 @@ window.focus(); switch (e_button(e)) { - case 1: - // #3261: make sure, that we're not starting a second selection - if (cm.state.selectingText) - cm.state.selectingText(e); - else if (start) - leftButtonDown(cm, e, start); - else if (e_target(e) == display.scroller) + case 1: + // #3261: make sure, that we're not starting a second selection + if (cm.state.selectingText) cm.state.selectingText(e); + else if (start) leftButtonDown(cm, e, start); + else if (e_target(e) == display.scroller) e_preventDefault(e); + break; + case 2: + if (webkit) cm.state.lastMiddleDown = +new Date(); + if (start) extendSelection(cm.doc, start); + setTimeout(function () { + display.input.focus(); + }, 20); e_preventDefault(e); - break; - case 2: - if (webkit) cm.state.lastMiddleDown = +new Date; - if (start) extendSelection(cm.doc, start); - setTimeout(function() {display.input.focus();}, 20); - e_preventDefault(e); - break; - case 3: - if (captureRightClick) onContextMenu(cm, e); - else delayBlurEvent(cm); - break; + break; + case 3: + if (captureRightClick) onContextMenu(cm, e); + else delayBlurEvent(cm); + break; } } @@ -3583,45 +4636,67 @@ if (ie) setTimeout(bind(ensureFocus, cm), 0); else cm.curOp.focus = activeElt(); - var now = +new Date, type; - if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { + var now = +new Date(), + type; + if ( + lastDoubleClick && + lastDoubleClick.time > now - 400 && + cmp(lastDoubleClick.pos, start) == 0 + ) { type = "triple"; - } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { + } else if ( + lastClick && + lastClick.time > now - 400 && + cmp(lastClick.pos, start) == 0 + ) { type = "double"; - lastDoubleClick = {time: now, pos: start}; + lastDoubleClick = { time: now, pos: start }; } else { type = "single"; - lastClick = {time: now, pos: start}; - } - - var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; - if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && - type == "single" && (contained = sel.contains(start)) > -1 && - (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && - (cmp(contained.to(), start) > 0 || start.xRel < 0)) + lastClick = { time: now, pos: start }; + } + + var sel = cm.doc.sel, + modifier = mac ? e.metaKey : e.ctrlKey, + contained; + if ( + cm.options.dragDrop && + dragAndDrop && + !isReadOnly(cm) && + type == "single" && + (contained = sel.contains(start)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), start) < 0 || + start.xRel > 0) && + (cmp(contained.to(), start) > 0 || start.xRel < 0) + ) leftButtonStartDrag(cm, e, start, modifier); - else - leftButtonSelect(cm, e, start, type, modifier); + else leftButtonSelect(cm, e, start, type, modifier); } // Start a text drag. When it ends, see if any dragging actually // happen, and treat as a click if it didn't. function leftButtonStartDrag(cm, e, start, modifier) { - var display = cm.display, startTime = +new Date; - var dragEnd = operation(cm, function(e2) { + var display = cm.display, + startTime = +new Date(); + var dragEnd = operation(cm, function (e2) { if (webkit) display.scroller.draggable = false; cm.state.draggingText = false; off(document, "mouseup", dragEnd); off(display.scroller, "drop", dragEnd); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { + if ( + Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < + 10 + ) { e_preventDefault(e2); - if (!modifier && +new Date - 200 < startTime) + if (!modifier && +new Date() - 200 < startTime) extendSelection(cm.doc, start); // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) - if (webkit || ie && ie_version == 9) - setTimeout(function() {document.body.focus(); display.input.focus();}, 20); - else - display.input.focus(); + if (webkit || (ie && ie_version == 9)) + setTimeout(function () { + document.body.focus(); + display.input.focus(); + }, 20); + else display.input.focus(); } }); // Let the drag handler handle this. @@ -3635,16 +4710,18 @@ // Normal selection, as opposed to text dragging. function leftButtonSelect(cm, e, start, type, addNew) { - var display = cm.display, doc = cm.doc; + var display = cm.display, + doc = cm.doc; e_preventDefault(e); - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; + var ourRange, + ourIndex, + startSel = doc.sel, + ranges = startSel.ranges; if (addNew && !e.shiftKey) { ourIndex = doc.sel.contains(start); - if (ourIndex > -1) - ourRange = ranges[ourIndex]; - else - ourRange = new Range(start, start); + if (ourIndex > -1) ourRange = ranges[ourIndex]; + else ourRange = new Range(start, start); } else { ourRange = doc.sel.primary(); ourIndex = doc.sel.primIndex; @@ -3659,14 +4736,15 @@ var word = cm.findWordAt(start); if (cm.display.shift || doc.extend) ourRange = extendRange(doc, ourRange, word.anchor, word.head); - else - ourRange = word; + else ourRange = word; } else if (type == "triple") { - var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); + var line = new Range( + Pos(start.line, 0), + clipPos(doc, Pos(start.line + 1, 0)) + ); if (cm.display.shift || doc.extend) ourRange = extendRange(doc, ourRange, line.anchor, line.head); - else - ourRange = line; + else ourRange = line; } else { ourRange = extendRange(doc, ourRange, start); } @@ -3677,11 +4755,25 @@ startSel = doc.sel; } else if (ourIndex == -1) { ourIndex = ranges.length; - setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), - {scroll: false, origin: "*mouse"}); - } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { - setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), - {scroll: false, origin: "*mouse"}); + setSelection( + doc, + normalizeSelection(ranges.concat([ourRange]), ourIndex), + { scroll: false, origin: "*mouse" } + ); + } else if ( + ranges.length > 1 && + ranges[ourIndex].empty() && + type == "single" && + !e.shiftKey + ) { + setSelection( + doc, + normalizeSelection( + ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), + 0 + ), + { scroll: false, origin: "*mouse" } + ); startSel = doc.sel; } else { replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); @@ -3693,30 +4785,55 @@ lastPos = pos; if (type == "rect") { - var ranges = [], tabSize = cm.options.tabSize; - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); + var ranges = [], + tabSize = cm.options.tabSize; + var startCol = countColumn( + getLine(doc, start.line).text, + start.ch, + tabSize + ); var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); - line <= end; line++) { - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); + var left = Math.min(startCol, posCol), + right = Math.max(startCol, posCol); + for ( + var line = Math.min(start.line, pos.line), + end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; + line++ + ) { + var text = getLine(doc, line).text, + leftPos = findColumn(text, left, tabSize); if (left == right) ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); else if (text.length > leftPos) - ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); + ranges.push( + new Range( + Pos(line, leftPos), + Pos(line, findColumn(text, right, tabSize)) + ) + ); } if (!ranges.length) ranges.push(new Range(start, start)); - setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), - {origin: "*mouse", scroll: false}); + setSelection( + doc, + normalizeSelection( + startSel.ranges.slice(0, ourIndex).concat(ranges), + ourIndex + ), + { origin: "*mouse", scroll: false } + ); cm.scrollIntoView(pos); } else { var oldRange = ourRange; - var anchor = oldRange.anchor, head = pos; + var anchor = oldRange.anchor, + head = pos; if (type != "single") { - if (type == "double") - var range = cm.findWordAt(pos); + if (type == "double") var range = cm.findWordAt(pos); else - var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); + var range = new Range( + Pos(pos.line, 0), + clipPos(doc, Pos(pos.line + 1, 0)) + ); if (cmp(range.anchor, anchor) > 0) { head = range.head; anchor = minPos(oldRange.from(), range.anchor); @@ -3747,14 +4864,28 @@ extendTo(cur); var visible = visibleLines(display, doc); if (cur.line >= visible.to || cur.line < visible.from) - setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); + setTimeout( + operation(cm, function () { + if (counter == curCount) extend(e); + }), + 150 + ); } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; - if (outside) setTimeout(operation(cm, function() { - if (counter != curCount) return; - display.scroller.scrollTop += outside; - extend(e); - }), 50); + var outside = + e.clientY < editorSize.top + ? -20 + : e.clientY > editorSize.bottom + ? 20 + : 0; + if (outside) + setTimeout( + operation(cm, function () { + if (counter != curCount) return; + display.scroller.scrollTop += outside; + extend(e); + }), + 50 + ); } } @@ -3768,7 +4899,7 @@ doc.history.lastSelOrigin = null; } - var move = operation(cm, function(e) { + var move = operation(cm, function (e) { if (!e_button(e)) done(e); else extend(e); }); @@ -3781,15 +4912,21 @@ // Determines whether an event happened in the gutter, and fires the // handlers for the corresponding event. function gutterEvent(cm, e, type, prevent, signalfn) { - try { var mX = e.clientX, mY = e.clientY; } - catch(e) { return false; } - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; + try { + var mX = e.clientX, + mY = e.clientY; + } catch (e) { + return false; + } + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) + return false; if (prevent) e_preventDefault(e); var display = cm.display; var lineBox = display.lineDiv.getBoundingClientRect(); - if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); + if (mY > lineBox.bottom || !hasHandler(cm, type)) + return e_defaultPrevented(e); mY -= lineBox.top - display.viewOffset; for (var i = 0; i < cm.options.gutters.length; ++i) { @@ -3814,38 +4951,49 @@ function onDrop(e) { var cm = this; clearDragCursor(cm); - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) - return; + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; e_preventDefault(e); - if (ie) lastDrop = +new Date; - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; + if (ie) lastDrop = +new Date(); + var pos = posFromMouse(cm, e, true), + files = e.dataTransfer.files; if (!pos || isReadOnly(cm)) return; // Might be a file drop, in which case we simply extract the text // and insert it. if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var loadFile = function(file, i) { - var reader = new FileReader; - reader.onload = operation(cm, function() { + var n = files.length, + text = Array(n), + read = 0; + var loadFile = function (file, i) { + var reader = new FileReader(); + reader.onload = operation(cm, function () { text[i] = reader.result; if (++read == n) { pos = clipPos(cm.doc, pos); - var change = {from: pos, to: pos, - text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), - origin: "paste"}; + var change = { + from: pos, + to: pos, + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), + origin: "paste", + }; makeChange(cm.doc, change); - setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); + setSelectionReplaceHistory( + cm.doc, + simpleSelection(pos, changeEnd(change)) + ); } }); reader.readAsText(file); }; for (var i = 0; i < n; ++i) loadFile(files[i], i); - } else { // Normal drop + } else { + // Normal drop // Don't do a replace if the drop happened inside of the selected text. if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { cm.state.draggingText(e); // Ensure the editor is re-focused - setTimeout(function() {cm.display.input.focus();}, 20); + setTimeout(function () { + cm.display.input.focus(); + }, 20); return; } try { @@ -3854,18 +5002,27 @@ if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey)) var selected = cm.listSelections(); setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); - if (selected) for (var i = 0; i < selected.length; ++i) - replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); + if (selected) + for (var i = 0; i < selected.length; ++i) + replaceRange( + cm.doc, + "", + selected[i].anchor, + selected[i].head, + "drag" + ); cm.replaceSelection(text, "around", "paste"); cm.display.input.focus(); } - } - catch(e){} + } catch (e) {} } } function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } + if (ie && (!cm.state.draggingText || +new Date() - lastDrop < 100)) { + e_stop(e); + return; + } if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; e.dataTransfer.setData("Text", cm.getSelection()); @@ -3874,7 +5031,8 @@ // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. if (e.dataTransfer.setDragImage && !safari) { var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; + img.src = + "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; if (presto) { img.width = img.height = 1; cm.display.wrapper.appendChild(img); @@ -3892,8 +5050,15 @@ var frag = document.createDocumentFragment(); drawSelectionCursor(cm, pos, frag); if (!cm.display.dragCursor) { - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + cm.display.dragCursor = elt( + "div", + null, + "CodeMirror-cursors CodeMirror-dragcursors" + ); + cm.display.lineSpace.insertBefore( + cm.display.dragCursor, + cm.display.cursorDiv + ); } removeChildrenAndAdd(cm.display.dragCursor, frag); } @@ -3912,8 +5077,9 @@ function setScrollTop(cm, val) { if (Math.abs(cm.doc.scrollTop - val) < 2) return; cm.doc.scrollTop = val; - if (!gecko) updateDisplaySimple(cm, {top: val}); - if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; + if (!gecko) updateDisplaySimple(cm, { top: val }); + if (cm.display.scroller.scrollTop != val) + cm.display.scroller.scrollTop = val; cm.display.scrollbars.setScrollTop(val); if (gecko) updateDisplaySimple(cm); startWorker(cm, 100); @@ -3921,11 +5087,20 @@ // Sync scroller and scrollbar, ensure the gutter elements are // aligned. function setScrollLeft(cm, val, isScroller) { - if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); + if ( + isScroller + ? val == cm.doc.scrollLeft + : Math.abs(cm.doc.scrollLeft - val) < 2 + ) + return; + val = Math.min( + val, + cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth + ); cm.doc.scrollLeft = val; alignHorizontally(cm); - if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; + if (cm.display.scroller.scrollLeft != val) + cm.display.scroller.scrollLeft = val; cm.display.scrollbars.setScrollLeft(val); } @@ -3940,24 +5115,26 @@ // is that it gives us a chance to update the display before the // actual scrolling happens, reducing flickering. - var wheelSamples = 0, wheelPixelsPerUnit = null; + var wheelSamples = 0, + wheelPixelsPerUnit = null; // Fill in a browser-detected starting value on browsers where we // know one. These don't have to be accurate -- the result of them // being wrong would just be a slight flicker on the first wheel // scroll (if it is large enough). - if (ie) wheelPixelsPerUnit = -.53; + if (ie) wheelPixelsPerUnit = -0.53; else if (gecko) wheelPixelsPerUnit = 15; - else if (chrome) wheelPixelsPerUnit = -.7; - else if (safari) wheelPixelsPerUnit = -1/3; + else if (chrome) wheelPixelsPerUnit = -0.7; + else if (safari) wheelPixelsPerUnit = -1 / 3; - var wheelEventDelta = function(e) { - var dx = e.wheelDeltaX, dy = e.wheelDeltaY; + var wheelEventDelta = function (e) { + var dx = e.wheelDeltaX, + dy = e.wheelDeltaY; if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; else if (dy == null) dy = e.wheelDelta; - return {x: dx, y: dy}; + return { x: dx, y: dy }; }; - CodeMirror.wheelEventPixels = function(e) { + CodeMirror.wheelEventPixels = function (e) { var delta = wheelEventDelta(e); delta.x *= wheelPixelsPerUnit; delta.y *= wheelPixelsPerUnit; @@ -3965,19 +5142,31 @@ }; function onScrollWheel(cm, e) { - var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; + var delta = wheelEventDelta(e), + dx = delta.x, + dy = delta.y; - var display = cm.display, scroll = display.scroller; + var display = cm.display, + scroll = display.scroller; // Quit if there's nothing to scroll here - if (!(dx && scroll.scrollWidth > scroll.clientWidth || - dy && scroll.scrollHeight > scroll.clientHeight)) return; + if ( + !( + (dx && scroll.scrollWidth > scroll.clientWidth) || + (dy && scroll.scrollHeight > scroll.clientHeight) + ) + ) + return; // Webkit browsers on OS X abort momentum scrolls when the target // of the scroll event is removed from the scrollable element. // This hack (see related code in patchDisplay) makes sure the // element is kept around. if (dy && mac && webkit) { - outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { + outer: for ( + var cur = e.target, view = display.view; + cur != scroll; + cur = cur.parentNode + ) { for (var i = 0; i < view.length; i++) { if (view[i].node == cur) { cm.display.currentWheelTarget = cur; @@ -3995,8 +5184,26 @@ // better than glitching out. if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { if (dy) - setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); - setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); + setScrollTop( + cm, + Math.max( + 0, + Math.min( + scroll.scrollTop + dy * wheelPixelsPerUnit, + scroll.scrollHeight - scroll.clientHeight + ) + ) + ); + setScrollLeft( + cm, + Math.max( + 0, + Math.min( + scroll.scrollLeft + dx * wheelPixelsPerUnit, + scroll.scrollWidth - scroll.clientWidth + ) + ) + ); e_preventDefault(e); display.wheelStartX = null; // Abort measurement, if in progress return; @@ -4006,29 +5213,35 @@ // scrolled into view (if we know enough to estimate it). if (dy && wheelPixelsPerUnit != null) { var pixels = dy * wheelPixelsPerUnit; - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; + var top = cm.doc.scrollTop, + bot = top + display.wrapper.clientHeight; if (pixels < 0) top = Math.max(0, top + pixels - 50); else bot = Math.min(cm.doc.height, bot + pixels + 50); - updateDisplaySimple(cm, {top: top, bottom: bot}); + updateDisplaySimple(cm, { top: top, bottom: bot }); } if (wheelSamples < 20) { if (display.wheelStartX == null) { - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; - display.wheelDX = dx; display.wheelDY = dy; - setTimeout(function() { + display.wheelStartX = scroll.scrollLeft; + display.wheelStartY = scroll.scrollTop; + display.wheelDX = dx; + display.wheelDY = dy; + setTimeout(function () { if (display.wheelStartX == null) return; var movedX = scroll.scrollLeft - display.wheelStartX; var movedY = scroll.scrollTop - display.wheelStartY; - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || + var sample = + (movedY && display.wheelDY && movedY / display.wheelDY) || (movedX && display.wheelDX && movedX / display.wheelDX); display.wheelStartX = display.wheelStartY = null; if (!sample) return; - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); + wheelPixelsPerUnit = + (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); ++wheelSamples; }, 200); } else { - display.wheelDX += dx; display.wheelDY += dy; + display.wheelDX += dx; + display.wheelDY += dy; } } } @@ -4044,7 +5257,8 @@ // Ensure previous input has been read, so that the handler sees a // consistent view of the document cm.display.input.ensurePolled(); - var prevShift = cm.display.shift, done = false; + var prevShift = cm.display.shift, + done = false; try { if (isReadOnly(cm)) cm.state.suppressEdits = true; if (dropShift) cm.display.shift = false; @@ -4061,16 +5275,19 @@ var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); if (result) return result; } - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) - || lookupKey(name, cm.options.keyMap, handle, cm); + return ( + (cm.options.extraKeys && + lookupKey(name, cm.options.extraKeys, handle, cm)) || + lookupKey(name, cm.options.keyMap, handle, cm) + ); } - var stopSeq = new Delayed; + var stopSeq = new Delayed(); function dispatchKey(cm, name, e, handle) { var seq = cm.state.keySeq; if (seq) { if (isModifierKey(name)) return "handled"; - stopSeq.set(50, function() { + stopSeq.set(50, function () { if (cm.state.keySeq == seq) { cm.state.keySeq = null; cm.display.input.reset(); @@ -4080,10 +5297,8 @@ } var result = lookupKeyForEditor(cm, name, handle); - if (result == "multi") - cm.state.keySeq = name; - if (result == "handled") - signalLater(cm, "keyHandled", cm, name, e); + if (result == "multi") cm.state.keySeq = name; + if (result == "handled") signalLater(cm, "keyHandled", cm, name, e); if (result == "handled" || result == "multi") { e_preventDefault(e); @@ -4106,20 +5321,27 @@ // First try to resolve full name (including 'Shift-'). Failing // that, see if there is a cursor-motion command (starting with // 'go') bound to the keyname without 'Shift-'. - return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) - || dispatchKey(cm, name, e, function(b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - return doHandleBinding(cm, b); - }); + return ( + dispatchKey(cm, "Shift-" + name, e, function (b) { + return doHandleBinding(cm, b, true); + }) || + dispatchKey(cm, name, e, function (b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + return doHandleBinding(cm, b); + }) + ); } else { - return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); + return dispatchKey(cm, name, e, function (b) { + return doHandleBinding(cm, b); + }); } } // Handle a key from the keypress event function handleCharBinding(cm, e, ch) { - return dispatchKey(cm, "'" + ch + "'", e, - function(b) { return doHandleBinding(cm, b, true); }); + return dispatchKey(cm, "'" + ch + "'", e, function (b) { + return doHandleBinding(cm, b, true); + }); } var lastStoppedKey = null; @@ -4135,12 +5357,20 @@ if (presto) { lastStoppedKey = handled ? code : null; // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + if ( + !handled && + code == 88 && + !hasCopyEvent && + (mac ? e.metaKey : e.ctrlKey) + ) cm.replaceSelection("", null, "cut"); } // Turn mouse into crosshair when Alt is held on Mac. - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + if ( + code == 18 && + !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className) + ) showCrossHair(cm); } @@ -4166,10 +5396,21 @@ function onKeyPress(e) { var cm = this; - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; - var keyCode = e.keyCode, charCode = e.charCode; - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; + if ( + eventInWidget(cm.display, e) || + signalDOMEvent(cm, e) || + (e.ctrlKey && !e.altKey) || + (mac && e.metaKey) + ) + return; + var keyCode = e.keyCode, + charCode = e.charCode; + if (presto && keyCode == lastStoppedKey) { + lastStoppedKey = null; + e_preventDefault(e); + return; + } + if (presto && (!e.which || e.which < 10) && handleKeyBinding(cm, e)) return; var ch = String.fromCharCode(charCode == null ? keyCode : charCode); if (handleCharBinding(cm, e, ch)) return; cm.display.input.onKeyPress(e); @@ -4179,7 +5420,7 @@ function delayBlurEvent(cm) { cm.state.delayingBlurEvent = true; - setTimeout(function() { + setTimeout(function () { if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; onBlur(cm); @@ -4200,7 +5441,10 @@ // select-all detection hack) if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { cm.display.input.reset(); - if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 + if (webkit) + setTimeout(function () { + cm.display.input.reset(true); + }, 20); // Issue #1730 } cm.display.input.receivedFocus(); } @@ -4215,7 +5459,9 @@ rmClass(cm.display.wrapper, "CodeMirror-focused"); } clearInterval(cm.display.blinker); - setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150); + setTimeout(function () { + if (!cm.state.focused) cm.display.shift = false; + }, 150); } // CONTEXT MENU HANDLING @@ -4237,11 +5483,13 @@ // Compute the position of the end of a change (its 'to' property // refers to the pre-change end). - var changeEnd = CodeMirror.changeEnd = function(change) { + var changeEnd = (CodeMirror.changeEnd = function (change) { if (!change.text) return change.to; - return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); - }; + return Pos( + change.from.line + change.text.length - 1, + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0) + ); + }); // Adjust a position to refer to the post-change position of the // same text, or the end of the change if the change covers it. @@ -4249,7 +5497,9 @@ if (cmp(pos, change.from) < 0) return pos; if (cmp(pos, change.to) <= 0) return changeEnd(change); - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; + var line = + pos.line + change.text.length - (change.to.line - change.from.line) - 1, + ch = pos.ch; if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; return Pos(line, ch); } @@ -4258,24 +5508,27 @@ var out = []; for (var i = 0; i < doc.sel.ranges.length; i++) { var range = doc.sel.ranges[i]; - out.push(new Range(adjustForChange(range.anchor, change), - adjustForChange(range.head, change))); + out.push( + new Range( + adjustForChange(range.anchor, change), + adjustForChange(range.head, change) + ) + ); } return normalizeSelection(out, doc.sel.primIndex); } function offsetPos(pos, old, nw) { - if (pos.line == old.line) - return Pos(nw.line, pos.ch - old.ch + nw.ch); - else - return Pos(nw.line + (pos.line - old.line), pos.ch); + if (pos.line == old.line) return Pos(nw.line, pos.ch - old.ch + nw.ch); + else return Pos(nw.line + (pos.line - old.line), pos.ch); } // Used by replaceSelections to allow moving the selection to the // start or around the replaced test. Hint may be "start" or "around". function computeReplacedSel(doc, changes, hint) { var out = []; - var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; + var oldPrev = Pos(doc.first, 0), + newPrev = oldPrev; for (var i = 0; i < changes.length; i++) { var change = changes[i]; var from = offsetPos(change.from, oldPrev, newPrev); @@ -4283,7 +5536,8 @@ oldPrev = change.to; newPrev = to; if (hint == "around") { - var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; + var range = doc.sel.ranges[i], + inv = cmp(range.head, range.anchor) < 0; out[i] = new Range(inv ? to : from, inv ? from : to); } else { out[i] = new Range(from, from); @@ -4300,59 +5554,88 @@ to: change.to, text: change.text, origin: change.origin, - cancel: function() { this.canceled = true; } - }; - if (update) obj.update = function(from, to, text, origin) { - if (from) this.from = clipPos(doc, from); - if (to) this.to = clipPos(doc, to); - if (text) this.text = text; - if (origin !== undefined) this.origin = origin; + cancel: function () { + this.canceled = true; + }, }; + if (update) + obj.update = function (from, to, text, origin) { + if (from) this.from = clipPos(doc, from); + if (to) this.to = clipPos(doc, to); + if (text) this.text = text; + if (origin !== undefined) this.origin = origin; + }; signal(doc, "beforeChange", doc, obj); if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); if (obj.canceled) return null; - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; + return { from: obj.from, to: obj.to, text: obj.text, origin: obj.origin }; } // Apply a change to a document, and add it to the document's // history, and propagating it to all linked documents. function makeChange(doc, change, ignoreReadOnly) { if (doc.cm) { - if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); + if (!doc.cm.curOp) + return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); if (doc.cm.state.suppressEdits) return; } - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { + if ( + hasHandler(doc, "beforeChange") || + (doc.cm && hasHandler(doc.cm, "beforeChange")) + ) { change = filterChange(doc, change, true); if (!change) return; } // Possibly split or suppress the update based on the presence // of read-only spans in its range. - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); + var split = + sawReadOnlySpans && + !ignoreReadOnly && + removeReadOnlyRanges(doc, change.from, change.to); if (split) { for (var i = split.length - 1; i >= 0; --i) - makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}); + makeChangeInner(doc, { + from: split[i].from, + to: split[i].to, + text: i ? [""] : change.text, + }); } else { makeChangeInner(doc, change); } } function makeChangeInner(doc, change) { - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return; + if ( + change.text.length == 1 && + change.text[0] == "" && + cmp(change.from, change.to) == 0 + ) + return; var selAfter = computeSelAfterChange(doc, change); addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); + makeChangeSingleDoc( + doc, + change, + selAfter, + stretchSpansOverChange(doc, change) + ); var rebased = []; - linkedDocs(doc, function(doc, sharedHist) { + linkedDocs(doc, function (doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { rebaseHist(doc.history, change); rebased.push(doc.history); } - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); + makeChangeSingleDoc( + doc, + change, + null, + stretchSpansOverChange(doc, change) + ); }); } @@ -4360,14 +5643,21 @@ function makeChangeFromHistory(doc, type, allowSelectionOnly) { if (doc.cm && doc.cm.state.suppressEdits) return; - var hist = doc.history, event, selAfter = doc.sel; - var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; + var hist = doc.history, + event, + selAfter = doc.sel; + var source = type == "undo" ? hist.done : hist.undone, + dest = type == "undo" ? hist.undone : hist.done; // Verify that there is a useable event (so that ctrl-z won't // needlessly clear selection events) for (var i = 0; i < source.length; i++) { event = source[i]; - if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) + if ( + allowSelectionOnly + ? event.ranges && !event.equals(doc.sel) + : !event.ranges + ) break; } if (i == source.length) return; @@ -4378,22 +5668,23 @@ if (event.ranges) { pushSelectionToHistory(event, dest); if (allowSelectionOnly && !event.equals(doc.sel)) { - setSelection(doc, event, {clearRedo: false}); + setSelection(doc, event, { clearRedo: false }); return; } selAfter = event; - } - else break; + } else break; } // Build up a reverse change object to add to the opposite history // stack (redo when undoing, and vice versa). var antiChanges = []; pushSelectionToHistory(selAfter, dest); - dest.push({changes: antiChanges, generation: hist.generation}); + dest.push({ changes: antiChanges, generation: hist.generation }); hist.generation = event.generation || ++hist.maxGeneration; - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); + var filter = + hasHandler(doc, "beforeChange") || + (doc.cm && hasHandler(doc.cm, "beforeChange")); for (var i = event.changes.length - 1; i >= 0; --i) { var change = event.changes[i]; @@ -4407,11 +5698,12 @@ var after = i ? computeSelAfterChange(doc, change) : lst(source); makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); + if (!i && doc.cm) + doc.cm.scrollIntoView({ from: change.from, to: changeEnd(change) }); var rebased = []; // Propagate to the linked documents - linkedDocs(doc, function(doc, sharedHist) { + linkedDocs(doc, function (doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { rebaseHist(doc.history, change); rebased.push(doc.history); @@ -4426,10 +5718,15 @@ function shiftDoc(doc, distance) { if (distance == 0) return; doc.first += distance; - doc.sel = new Selection(map(doc.sel.ranges, function(range) { - return new Range(Pos(range.anchor.line + distance, range.anchor.ch), - Pos(range.head.line + distance, range.head.ch)); - }), doc.sel.primIndex); + doc.sel = new Selection( + map(doc.sel.ranges, function (range) { + return new Range( + Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch) + ); + }), + doc.sel.primIndex + ); if (doc.cm) { regChange(doc.cm, doc.first, doc.first - distance, distance); for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) @@ -4441,10 +5738,18 @@ // (not linked ones). function makeChangeSingleDoc(doc, change, selAfter, spans) { if (doc.cm && !doc.cm.curOp) - return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); + return operation(doc.cm, makeChangeSingleDoc)( + doc, + change, + selAfter, + spans + ); if (change.to.line < doc.first) { - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); + shiftDoc( + doc, + change.text.length - 1 - (change.to.line - change.from.line) + ); return; } if (change.from.line > doc.lastLine()) return; @@ -4453,13 +5758,21 @@ if (change.from.line < doc.first) { var shift = change.text.length - 1 - (doc.first - change.from.line); shiftDoc(doc, shift); - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), - text: [lst(change.text)], origin: change.origin}; + change = { + from: Pos(doc.first, 0), + to: Pos(change.to.line + shift, change.to.ch), + text: [lst(change.text)], + origin: change.origin, + }; } var last = doc.lastLine(); if (change.to.line > last) { - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), - text: [change.text[0]], origin: change.origin}; + change = { + from: change.from, + to: Pos(last, getLine(doc, last).text.length), + text: [change.text[0]], + origin: change.origin, + }; } change.removed = getBetween(doc, change.from, change.to); @@ -4473,12 +5786,16 @@ // Handle the interaction of a change to a document with the editor // that this document is part of. function makeChangeSingleDocInEditor(cm, change, spans) { - var doc = cm.doc, display = cm.display, from = change.from, to = change.to; + var doc = cm.doc, + display = cm.display, + from = change.from, + to = change.to; - var recomputeMaxLength = false, checkWidthStart = from.line; + var recomputeMaxLength = false, + checkWidthStart = from.line; if (!cm.options.lineWrapping) { checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); - doc.iter(checkWidthStart, to.line + 1, function(line) { + doc.iter(checkWidthStart, to.line + 1, function (line) { if (line == display.maxLine) { recomputeMaxLength = true; return true; @@ -4486,21 +5803,24 @@ }); } - if (doc.sel.contains(change.from, change.to) > -1) - signalCursorActivity(cm); + if (doc.sel.contains(change.from, change.to) > -1) signalCursorActivity(cm); updateDoc(doc, change, spans, estimateHeight(cm)); if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function(line) { - var len = lineLength(line); - if (len > display.maxLineLength) { - display.maxLine = line; - display.maxLineLength = len; - display.maxLineChanged = true; - recomputeMaxLength = false; + doc.iter( + checkWidthStart, + from.line + change.text.length, + function (line) { + var len = lineLength(line); + if (len > display.maxLineLength) { + display.maxLine = line; + display.maxLineLength = len; + display.maxLineChanged = true; + recomputeMaxLength = false; + } } - }); + ); if (recomputeMaxLength) cm.curOp.updateMaxLine = true; } @@ -4510,32 +5830,41 @@ var lendiff = change.text.length - (to.line - from.line) - 1; // Remember that these lines changed, for updating the display - if (change.full) - regChange(cm); - else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + if (change.full) regChange(cm); + else if ( + from.line == to.line && + change.text.length == 1 && + !isWholeLineUpdate(cm.doc, change) + ) regLineChange(cm, from.line, "text"); - else - regChange(cm, from.line, to.line + 1, lendiff); + else regChange(cm, from.line, to.line + 1, lendiff); - var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); + var changesHandler = hasHandler(cm, "changes"), + changeHandler = hasHandler(cm, "change"); if (changeHandler || changesHandler) { var obj = { - from: from, to: to, + from: from, + to: to, text: change.text, removed: change.removed, - origin: change.origin + origin: change.origin, }; if (changeHandler) signalLater(cm, "change", cm, obj); - if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); + if (changesHandler) + (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } cm.display.selForContextMenu = null; } function replaceRange(doc, code, from, to, origin) { if (!to) to = from; - if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } + if (cmp(to, from) < 0) { + var tmp = to; + to = from; + from = tmp; + } if (typeof code == "string") code = doc.splitLines(code); - makeChange(doc, {from: from, to: to, text: code, origin: origin}); + makeChange(doc, { from: from, to: to, text: code, origin: origin }); } // SCROLLING THINGS INTO VIEW @@ -4545,14 +5874,28 @@ function maybeScrollWindow(cm, coords) { if (signalDOMEvent(cm, "scrollCursorIntoView")) return; - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; + var display = cm.display, + box = display.sizer.getBoundingClientRect(), + doScroll = null; if (coords.top + box.top < 0) doScroll = true; - else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; + else if ( + coords.bottom + box.top > + (window.innerHeight || document.documentElement.clientHeight) + ) + doScroll = false; if (doScroll != null && !phantom) { - var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + - (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + - (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + - coords.left + "px; width: 2px;"); + var scrollNode = elt( + "div", + "\u200b", + null, + "position: absolute; top: " + + (coords.top - display.viewOffset - paddingTop(cm.display)) + + "px; height: " + + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + + "px; left: " + + coords.left + + "px; width: 2px;" + ); cm.display.lineSpace.appendChild(scrollNode); scrollNode.scrollIntoView(doScroll); cm.display.lineSpace.removeChild(scrollNode); @@ -4565,13 +5908,18 @@ function scrollPosIntoView(cm, pos, end, margin) { if (margin == null) margin = 0; for (var limit = 0; limit < 5; limit++) { - var changed = false, coords = cursorCoords(cm, pos); + var changed = false, + coords = cursorCoords(cm, pos); var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); - var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), - Math.min(coords.top, endCoords.top) - margin, - Math.max(coords.left, endCoords.left), - Math.max(coords.bottom, endCoords.bottom) + margin); - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; + var scrollPos = calculateScrollPos( + cm, + Math.min(coords.left, endCoords.left), + Math.min(coords.top, endCoords.top) - margin, + Math.max(coords.left, endCoords.left), + Math.max(coords.bottom, endCoords.bottom) + margin + ); + var startTop = cm.doc.scrollTop, + startLeft = cm.doc.scrollLeft; if (scrollPos.scrollTop != null) { setScrollTop(cm, scrollPos.scrollTop); if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; @@ -4597,13 +5945,19 @@ // scrollLeft properties. When these are undefined, the // vertical/horizontal position does not need to be adjusted. function calculateScrollPos(cm, x1, y1, x2, y2) { - var display = cm.display, snapMargin = textHeight(cm.display); + var display = cm.display, + snapMargin = textHeight(cm.display); if (y1 < 0) y1 = 0; - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; - var screen = displayHeight(cm), result = {}; + var screentop = + cm.curOp && cm.curOp.scrollTop != null + ? cm.curOp.scrollTop + : display.scroller.scrollTop; + var screen = displayHeight(cm), + result = {}; if (y2 - y1 > screen) y2 = y1 + screen; var docBottom = cm.doc.height + paddingVert(display); - var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; + var atTop = y1 < snapMargin, + atBottom = y2 > docBottom - snapMargin; if (y1 < screentop) { result.scrollTop = atTop ? 0 : y1; } else if (y2 > screentop + screen) { @@ -4611,12 +5965,16 @@ if (newTop != screentop) result.scrollTop = newTop; } - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; - var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); + var screenleft = + cm.curOp && cm.curOp.scrollLeft != null + ? cm.curOp.scrollLeft + : display.scroller.scrollLeft; + var screenw = + displayWidth(cm) - + (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); var tooWide = x2 - x1 > screenw; if (tooWide) x2 = x1 + screenw; - if (x1 < 10) - result.scrollLeft = 0; + if (x1 < 10) result.scrollLeft = 0; else if (x1 < screenleft) result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); else if (x2 > screenw + screenleft - 3) @@ -4629,21 +5987,33 @@ function addToScrollPos(cm, left, top) { if (left != null || top != null) resolveScrollToPos(cm); if (left != null) - cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left; + cm.curOp.scrollLeft = + (cm.curOp.scrollLeft == null + ? cm.doc.scrollLeft + : cm.curOp.scrollLeft) + left; if (top != null) - cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; + cm.curOp.scrollTop = + (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + + top; } // Make sure that at the end of the operation the current cursor is // shown. function ensureCursorVisible(cm) { resolveScrollToPos(cm); - var cur = cm.getCursor(), from = cur, to = cur; + var cur = cm.getCursor(), + from = cur, + to = cur; if (!cm.options.lineWrapping) { from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur; to = Pos(cur.line, cur.ch + 1); } - cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}; + cm.curOp.scrollToPos = { + from: from, + to: to, + margin: cm.options.cursorScrollMargin, + isCursor: true, + }; } // When an operation has its scrollToPos property set, and another @@ -4654,11 +6024,15 @@ var range = cm.curOp.scrollToPos; if (range) { cm.curOp.scrollToPos = null; - var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); - var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), - Math.min(from.top, to.top) - range.margin, - Math.max(from.right, to.right), - Math.max(from.bottom, to.bottom) + range.margin); + var from = estimateCoords(cm, range.from), + to = estimateCoords(cm, range.to); + var sPos = calculateScrollPos( + cm, + Math.min(from.left, to.left), + Math.min(from.top, to.top) - range.margin, + Math.max(from.right, to.right), + Math.max(from.bottom, to.bottom) + range.margin + ); cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); } } @@ -4671,7 +6045,8 @@ // lines are not indented, and places where the mode returns Pass // are left alone. function indentLine(cm, n, how, aggressive) { - var doc = cm.doc, state; + var doc = cm.doc, + state; if (how == null) how = "add"; if (how == "smart") { // Fall back to "prev" when the mode doesn't have an indentation @@ -4681,21 +6056,28 @@ } var tabSize = cm.options.tabSize; - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); + var line = getLine(doc, n), + curSpace = countColumn(line.text, null, tabSize); if (line.stateAfter) line.stateAfter = null; - var curSpaceString = line.text.match(/^\s*/)[0], indentation; + var curSpaceString = line.text.match(/^\s*/)[0], + indentation; if (!aggressive && !/\S/.test(line.text)) { indentation = 0; how = "not"; } else if (how == "smart") { - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); + indentation = doc.mode.indent( + state, + line.text.slice(curSpaceString.length), + line.text + ); if (indentation == Pass || indentation > 150) { if (!aggressive) return; how = "prev"; } } if (how == "prev") { - if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); + if (n > doc.first) + indentation = countColumn(getLine(doc, n - 1).text, null, tabSize); else indentation = 0; } else if (how == "add") { indentation = curSpace + cm.options.indentUnit; @@ -4706,14 +6088,24 @@ } indentation = Math.max(0, indentation); - var indentString = "", pos = 0; + var indentString = "", + pos = 0; if (cm.options.indentWithTabs) - for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} + for (var i = Math.floor(indentation / tabSize); i; --i) { + pos += tabSize; + indentString += "\t"; + } if (pos < indentation) indentString += spaceStr(indentation - pos); if (indentString != curSpaceString) { // PARINFER EDIT: "+indenthack" was: "+input" - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+indenthack"); + replaceRange( + doc, + indentString, + Pos(n, 0), + Pos(n, curSpaceString.length), + "+indenthack" + ); line.stateAfter = null; return true; @@ -4735,7 +6127,8 @@ // returning the number and optionally registering the line as // changed. function changeLine(doc, handle, changeType, op) { - var no = handle, line = handle; + var no = handle, + line = handle; if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); else no = lineNo(handle); if (no == null) return null; @@ -4746,7 +6139,8 @@ // Helper for deleting text near the selection(s), used to implement // backspace, delete, and similar functionality. function deleteNearSelection(cm, compute) { - var ranges = cm.doc.sel.ranges, kill = []; + var ranges = cm.doc.sel.ranges, + kill = []; // Build up a set of ranges to kill first, merging overlapping // ranges. for (var i = 0; i < ranges.length; i++) { @@ -4761,7 +6155,7 @@ kill.push(toKill); } // Next, remove those actual ranges. - runInOp(cm, function() { + runInOp(cm, function () { for (var i = kill.length - 1; i >= 0; i--) replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); ensureCursorVisible(cm); @@ -4778,17 +6172,24 @@ // position. The resulting position will have a hitSide=true // property if it reached the end of the document. function findPosH(doc, pos, dir, unit, visually) { - var line = pos.line, ch = pos.ch, origDir = dir; + var line = pos.line, + ch = pos.ch, + origDir = dir; var lineObj = getLine(doc, line); var possible = true; function findNextLine() { var l = line + dir; if (l < doc.first || l >= doc.first + doc.size) return (possible = false); line = l; - return lineObj = getLine(doc, l); + return (lineObj = getLine(doc, l)); } function moveOnce(boundToLine) { - var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); + var next = (visually ? moveVisually : moveLogically)( + lineObj, + ch, + dir, + true + ); if (next == null) { if (!boundToLine && findNextLine()) { if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); @@ -4801,18 +6202,25 @@ if (unit == "char") moveOnce(); else if (unit == "column") moveOnce(true); else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group"; + var sawType = null, + group = unit == "group"; var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); - for (var first = true;; first = false) { + for (var first = true; ; first = false) { if (dir < 0 && !moveOnce(!first)) break; var cur = lineObj.text.charAt(ch) || "\n"; - var type = isWordChar(cur, helper) ? "w" - : group && cur == "\n" ? "n" - : !group || /\s/.test(cur) ? null + var type = isWordChar(cur, helper) + ? "w" + : group && cur == "\n" + ? "n" + : !group || /\s/.test(cur) + ? null : "p"; if (group && !first && !type) type = "s"; if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce();} + if (dir < 0) { + dir = 1; + moveOnce(); + } break; } @@ -4829,17 +6237,27 @@ // "page" or "line". The resulting position will have a hitSide=true // property if it reached the end of the document. function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y; + var doc = cm.doc, + x = pos.left, + y; if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); - y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); + var pageSize = Math.min( + cm.display.wrapper.clientHeight, + window.innerHeight || document.documentElement.clientHeight + ); + y = + pos.top + + dir * (pageSize - (dir < 0 ? 1.5 : 0.5) * textHeight(cm.display)); } else if (unit == "line") { y = dir > 0 ? pos.bottom + 3 : pos.top - 3; } for (;;) { var target = coordsChar(cm, x, y); if (!target.outside) break; - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } + if (dir < 0 ? y <= 0 : y >= doc.height) { + target.hitSide = true; + break; + } y += dir * 5; } return target; @@ -4857,23 +6275,31 @@ CodeMirror.prototype = { constructor: CodeMirror, - focus: function(){window.focus(); this.display.input.focus();}, + focus: function () { + window.focus(); + this.display.input.focus(); + }, - setOption: function(option, value) { - var options = this.options, old = options[option]; + setOption: function (option, value) { + var options = this.options, + old = options[option]; if (options[option] == value && option != "mode") return; options[option] = value; if (optionHandlers.hasOwnProperty(option)) operation(this, optionHandlers[option])(this, value, old); }, - getOption: function(option) {return this.options[option];}, - getDoc: function() {return this.doc;}, + getOption: function (option) { + return this.options[option]; + }, + getDoc: function () { + return this.doc; + }, - addKeyMap: function(map, bottom) { + addKeyMap: function (map, bottom) { this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); }, - removeKeyMap: function(map) { + removeKeyMap: function (map) { var maps = this.state.keyMaps; for (var i = 0; i < maps.length; ++i) if (maps[i] == map || maps[i].name == map) { @@ -4882,18 +6308,22 @@ } }, - addOverlay: methodOp(function(spec, options) { + addOverlay: methodOp(function (spec, options) { var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); if (mode.startState) throw new Error("Overlays may not be stateful."); - this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); + this.state.overlays.push({ + mode: mode, + modeSpec: spec, + opaque: options && options.opaque, + }); this.state.modeGen++; regChange(this); }), - removeOverlay: methodOp(function(spec) { + removeOverlay: methodOp(function (spec) { var overlays = this.state.overlays; for (var i = 0; i < overlays.length; ++i) { var cur = overlays[i].modeSpec; - if (cur == spec || typeof spec == "string" && cur.name == spec) { + if (cur == spec || (typeof spec == "string" && cur.name == spec)) { overlays.splice(i, 1); this.state.modeGen++; regChange(this); @@ -4902,26 +6332,36 @@ } }), - indentLine: methodOp(function(n, dir, aggressive) { + indentLine: methodOp(function (n, dir, aggressive) { if (typeof dir != "string" && typeof dir != "number") { if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; else dir = dir ? "add" : "subtract"; } if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); }), - indentSelection: methodOp(function(how) { - var ranges = this.doc.sel.ranges, end = -1; + indentSelection: methodOp(function (how) { + var ranges = this.doc.sel.ranges, + end = -1; for (var i = 0; i < ranges.length; i++) { var range = ranges[i]; if (!range.empty()) { - var from = range.from(), to = range.to(); + var from = range.from(), + to = range.to(); var start = Math.max(end, from.line); end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; - for (var j = start; j < end; ++j) - indentLine(this, j, how); + for (var j = start; j < end; ++j) indentLine(this, j, how); var newRanges = this.doc.sel.ranges; - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); + if ( + from.ch == 0 && + ranges.length == newRanges.length && + newRanges[i].from().ch > 0 + ) + replaceOneSelection( + this.doc, + i, + new Range(from, newRanges[i].to()), + sel_dontScroll + ); } else if (range.head.line > end) { indentLine(this, range.head.line, how, true); end = range.head.line; @@ -4932,44 +6372,51 @@ // Fetch the parser token for a given character. Useful for hacks // that want to inspect the mode state (say, for completion). - getTokenAt: function(pos, precise) { + getTokenAt: function (pos, precise) { return takeToken(this, pos, precise); }, - getLineTokens: function(line, precise) { + getLineTokens: function (line, precise) { return takeToken(this, Pos(line), precise, true); }, - getTokenTypeAt: function(pos) { + getTokenTypeAt: function (pos) { pos = clipPos(this.doc, pos); var styles = getLineStyles(this, getLine(this.doc, pos.line)); - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; + var before = 0, + after = (styles.length - 1) / 2, + ch = pos.ch; var type; if (ch == 0) type = styles[2]; - else for (;;) { - var mid = (before + after) >> 1; - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; - else if (styles[mid * 2 + 1] < ch) before = mid + 1; - else { type = styles[mid * 2 + 2]; break; } - } + else + for (;;) { + var mid = (before + after) >> 1; + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; + else if (styles[mid * 2 + 1] < ch) before = mid + 1; + else { + type = styles[mid * 2 + 2]; + break; + } + } var cut = type ? type.indexOf("cm-overlay ") : -1; return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1); }, - getModeAt: function(pos) { + getModeAt: function (pos) { var mode = this.doc.mode; if (!mode.innerMode) return mode; return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; }, - getHelper: function(pos, type) { + getHelper: function (pos, type) { return this.getHelpers(pos, type)[0]; }, - getHelpers: function(pos, type) { + getHelpers: function (pos, type) { var found = []; if (!helpers.hasOwnProperty(type)) return found; - var help = helpers[type], mode = this.getModeAt(pos); + var help = helpers[type], + mode = this.getModeAt(pos); if (typeof mode[type] == "string") { if (help[mode[type]]) found.push(help[mode[type]]); } else if (mode[type]) { @@ -4990,52 +6437,67 @@ return found; }, - getStateAfter: function(line, precise) { + getStateAfter: function (line, precise) { var doc = this.doc; - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); + line = clipLine(doc, line == null ? doc.first + doc.size - 1 : line); return getStateBefore(this, line + 1, precise); }, - cursorCoords: function(start, mode) { - var pos, range = this.doc.sel.primary(); + cursorCoords: function (start, mode) { + var pos, + range = this.doc.sel.primary(); if (start == null) pos = range.head; else if (typeof start == "object") pos = clipPos(this.doc, start); else pos = start ? range.from() : range.to(); return cursorCoords(this, pos, mode || "page"); }, - charCoords: function(pos, mode) { + charCoords: function (pos, mode) { return charCoords(this, clipPos(this.doc, pos), mode || "page"); }, - coordsChar: function(coords, mode) { + coordsChar: function (coords, mode) { coords = fromCoordSystem(this, coords, mode || "page"); return coordsChar(this, coords.left, coords.top); }, - lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; + lineAtHeight: function (height, mode) { + height = fromCoordSystem( + this, + { top: height, left: 0 }, + mode || "page" + ).top; return lineAtHeight(this.doc, height + this.display.viewOffset); }, - heightAtLine: function(line, mode) { - var end = false, lineObj; + heightAtLine: function (line, mode) { + var end = false, + lineObj; if (typeof line == "number") { var last = this.doc.first + this.doc.size - 1; if (line < this.doc.first) line = this.doc.first; - else if (line > last) { line = last; end = true; } + else if (line > last) { + line = last; + end = true; + } lineObj = getLine(this.doc, line); } else { lineObj = line; } - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + - (end ? this.doc.height - heightAtLine(lineObj) : 0); + return ( + intoCoordSystem(this, lineObj, { top: 0, left: 0 }, mode || "page") + .top + (end ? this.doc.height - heightAtLine(lineObj) : 0) + ); }, - defaultTextHeight: function() { return textHeight(this.display); }, - defaultCharWidth: function() { return charWidth(this.display); }, + defaultTextHeight: function () { + return textHeight(this.display); + }, + defaultCharWidth: function () { + return charWidth(this.display); + }, - setGutterMarker: methodOp(function(line, gutterID, value) { - return changeLine(this.doc, line, "gutter", function(line) { + setGutterMarker: methodOp(function (line, gutterID, value) { + return changeLine(this.doc, line, "gutter", function (line) { var markers = line.gutterMarkers || (line.gutterMarkers = {}); markers[gutterID] = value; if (!value && isEmpty(markers)) line.gutterMarkers = null; @@ -5043,9 +6505,11 @@ }); }), - clearGutter: methodOp(function(gutterID) { - var cm = this, doc = cm.doc, i = doc.first; - doc.iter(function(line) { + clearGutter: methodOp(function (gutterID) { + var cm = this, + doc = cm.doc, + i = doc.first; + doc.iter(function (line) { if (line.gutterMarkers && line.gutterMarkers[gutterID]) { line.gutterMarkers[gutterID] = null; regLineChange(cm, i, "gutter"); @@ -5055,7 +6519,7 @@ }); }), - lineInfo: function(line) { + lineInfo: function (line) { if (typeof line == "number") { if (!isLine(this.doc, line)) return null; var n = line; @@ -5065,17 +6529,27 @@ var n = lineNo(line); if (n == null) return null; } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets}; + return { + line: n, + handle: line, + text: line.text, + gutterMarkers: line.gutterMarkers, + textClass: line.textClass, + bgClass: line.bgClass, + wrapClass: line.wrapClass, + widgets: line.widgets, + }; }, - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};}, + getViewport: function () { + return { from: this.display.viewFrom, to: this.display.viewTo }; + }, - addWidget: function(pos, node, scroll, vert, horiz) { + addWidget: function (pos, node, scroll, vert, horiz) { var display = this.display; pos = cursorCoords(this, clipPos(this.doc, pos)); - var top = pos.bottom, left = pos.left; + var top = pos.bottom, + left = pos.left; node.style.position = "absolute"; node.setAttribute("cm-ignore-events", "true"); this.display.input.setUneditable(node); @@ -5084,14 +6558,18 @@ top = pos.top; } else if (vert == "above" || vert == "near") { var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + hspace = Math.max( + display.sizer.clientWidth, + display.lineSpace.clientWidth + ); // Default to positioning above (if specified and possible); otherwise default to positioning below - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) + if ( + (vert == "above" || pos.bottom + node.offsetHeight > vspace) && + pos.top > node.offsetHeight + ) top = pos.top - node.offsetHeight; - else if (pos.bottom + node.offsetHeight <= vspace) - top = pos.bottom; - if (left + node.offsetWidth > hspace) - left = hspace - node.offsetWidth; + else if (pos.bottom + node.offsetHeight <= vspace) top = pos.bottom; + if (left + node.offsetWidth > hspace) left = hspace - node.offsetWidth; } node.style.top = top + "px"; node.style.left = node.style.right = ""; @@ -5100,27 +6578,38 @@ node.style.right = "0px"; } else { if (horiz == "left") left = 0; - else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; + else if (horiz == "middle") + left = (display.sizer.clientWidth - node.offsetWidth) / 2; node.style.left = left + "px"; } if (scroll) - scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); + scrollIntoView( + this, + left, + top, + left + node.offsetWidth, + top + node.offsetHeight + ); }, triggerOnKeyDown: methodOp(onKeyDown), triggerOnKeyPress: methodOp(onKeyPress), triggerOnKeyUp: onKeyUp, - execCommand: function(cmd) { - if (commands.hasOwnProperty(cmd)) - return commands[cmd].call(null, this); + execCommand: function (cmd) { + if (commands.hasOwnProperty(cmd)) return commands[cmd].call(null, this); }, - triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + triggerElectric: methodOp(function (text) { + triggerElectric(this, text); + }), - findPosH: function(from, amount, unit, visually) { + findPosH: function (from, amount, unit, visually) { var dir = 1; - if (amount < 0) { dir = -1; amount = -amount; } + if (amount < 0) { + dir = -1; + amount = -amount; + } for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { cur = findPosH(this.doc, cur, dir, unit, visually); if (cur.hitSide) break; @@ -5128,30 +6617,41 @@ return cur; }, - moveH: methodOp(function(dir, unit) { + moveH: methodOp(function (dir, unit) { var cm = this; - cm.extendSelectionsBy(function(range) { + cm.extendSelectionsBy(function (range) { if (cm.display.shift || cm.doc.extend || range.empty()) - return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); - else - return dir < 0 ? range.from() : range.to(); + return findPosH( + cm.doc, + range.head, + dir, + unit, + cm.options.rtlMoveVisually + ); + else return dir < 0 ? range.from() : range.to(); }, sel_move); }), - deleteH: methodOp(function(dir, unit) { - var sel = this.doc.sel, doc = this.doc; - if (sel.somethingSelected()) - doc.replaceSelection("", null, "+delete"); + deleteH: methodOp(function (dir, unit) { + var sel = this.doc.sel, + doc = this.doc; + if (sel.somethingSelected()) doc.replaceSelection("", null, "+delete"); else - deleteNearSelection(this, function(range) { + deleteNearSelection(this, function (range) { var other = findPosH(doc, range.head, dir, unit, false); - return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}; + return dir < 0 + ? { from: other, to: range.head } + : { from: range.head, to: other }; }); }), - findPosV: function(from, amount, unit, goalColumn) { - var dir = 1, x = goalColumn; - if (amount < 0) { dir = -1; amount = -amount; } + findPosV: function (from, amount, unit, goalColumn) { + var dir = 1, + x = goalColumn; + if (amount < 0) { + dir = -1; + amount = -amount; + } for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { var coords = cursorCoords(this, cur, "div"); if (x == null) x = coords.left; @@ -5162,74 +6662,97 @@ return cur; }, - moveV: methodOp(function(dir, unit) { - var cm = this, doc = this.doc, goals = []; - var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); - doc.extendSelectionsBy(function(range) { - if (collapse) - return dir < 0 ? range.from() : range.to(); + moveV: methodOp(function (dir, unit) { + var cm = this, + doc = this.doc, + goals = []; + var collapse = + !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); + doc.extendSelectionsBy(function (range) { + if (collapse) return dir < 0 ? range.from() : range.to(); var headPos = cursorCoords(cm, range.head, "div"); if (range.goalColumn != null) headPos.left = range.goalColumn; goals.push(headPos.left); var pos = findPosV(cm, headPos, dir, unit); if (unit == "page" && range == doc.sel.primary()) - addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top); + addToScrollPos( + cm, + null, + charCoords(cm, pos, "div").top - headPos.top + ); return pos; }, sel_move); - if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++) - doc.sel.ranges[i].goalColumn = goals[i]; + if (goals.length) + for (var i = 0; i < doc.sel.ranges.length; i++) + doc.sel.ranges[i].goalColumn = goals[i]; }), // Find the word at the given position (as returned by coordsChar). - findWordAt: function(pos) { - var doc = this.doc, line = getLine(doc, pos.line).text; - var start = pos.ch, end = pos.ch; + findWordAt: function (pos) { + var doc = this.doc, + line = getLine(doc, pos.line).text; + var start = pos.ch, + end = pos.ch; if (line) { var helper = this.getHelper(pos, "wordChars"); - if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; + if ((pos.xRel < 0 || end == line.length) && start) --start; + else ++end; var startChar = line.charAt(start); var check = isWordChar(startChar, helper) - ? function(ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} - : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; + ? function (ch) { + return isWordChar(ch, helper); + } + : /\s/.test(startChar) + ? function (ch) { + return /\s/.test(ch); + } + : function (ch) { + return !/\s/.test(ch) && !isWordChar(ch); + }; while (start > 0 && check(line.charAt(start - 1))) --start; while (end < line.length && check(line.charAt(end))) ++end; } return new Range(Pos(pos.line, start), Pos(pos.line, end)); }, - toggleOverwrite: function(value) { + toggleOverwrite: function (value) { if (value != null && value == this.state.overwrite) return; - if (this.state.overwrite = !this.state.overwrite) + if ((this.state.overwrite = !this.state.overwrite)) addClass(this.display.cursorDiv, "CodeMirror-overwrite"); - else - rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); + else rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); signal(this, "overwriteToggle", this, this.state.overwrite); }, - hasFocus: function() { return this.display.input.getField() == activeElt(); }, + hasFocus: function () { + return this.display.input.getField() == activeElt(); + }, - scrollTo: methodOp(function(x, y) { + scrollTo: methodOp(function (x, y) { if (x != null || y != null) resolveScrollToPos(this); if (x != null) this.curOp.scrollLeft = x; if (y != null) this.curOp.scrollTop = y; }), - getScrollInfo: function() { + getScrollInfo: function () { var scroller = this.display.scroller; - return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, - clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; + return { + left: scroller.scrollLeft, + top: scroller.scrollTop, + height: + scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), + clientWidth: displayWidth(this), + }; }, - scrollIntoView: methodOp(function(range, margin) { + scrollIntoView: methodOp(function (range, margin) { if (range == null) { - range = {from: this.doc.sel.primary().head, to: null}; + range = { from: this.doc.sel.primary().head, to: null }; if (margin == null) margin = this.options.cursorScrollMargin; } else if (typeof range == "number") { - range = {from: Pos(range, 0), to: null}; + range = { from: Pos(range, 0), to: null }; } else if (range.from == null) { - range = {from: range, to: null}; + range = { from: range, to: null }; } if (!range.to) range.to = range.from; range.margin = margin || 0; @@ -5238,47 +6761,61 @@ resolveScrollToPos(this); this.curOp.scrollToPos = range; } else { - var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), - Math.min(range.from.top, range.to.top) - range.margin, - Math.max(range.from.right, range.to.right), - Math.max(range.from.bottom, range.to.bottom) + range.margin); + var sPos = calculateScrollPos( + this, + Math.min(range.from.left, range.to.left), + Math.min(range.from.top, range.to.top) - range.margin, + Math.max(range.from.right, range.to.right), + Math.max(range.from.bottom, range.to.bottom) + range.margin + ); this.scrollTo(sPos.scrollLeft, sPos.scrollTop); } }), - setSize: methodOp(function(width, height) { + setSize: methodOp(function (width, height) { var cm = this; function interpret(val) { - return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; + return typeof val == "number" || /^\d+$/.test(String(val)) + ? val + "px" + : val; } if (width != null) cm.display.wrapper.style.width = interpret(width); if (height != null) cm.display.wrapper.style.height = interpret(height); if (cm.options.lineWrapping) clearLineMeasurementCache(this); var lineNo = cm.display.viewFrom; - cm.doc.iter(lineNo, cm.display.viewTo, function(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) - if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; } + cm.doc.iter(lineNo, cm.display.viewTo, function (line) { + if (line.widgets) + for (var i = 0; i < line.widgets.length; i++) + if (line.widgets[i].noHScroll) { + regLineChange(cm, lineNo, "widget"); + break; + } ++lineNo; }); cm.curOp.forceUpdate = true; signal(cm, "refresh", this); }), - operation: function(f){return runInOp(this, f);}, + operation: function (f) { + return runInOp(this, f); + }, - refresh: methodOp(function() { + refresh: methodOp(function () { var oldHeight = this.display.cachedTextHeight; regChange(this); this.curOp.forceUpdate = true; clearCaches(this); this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); updateGutterSpace(this); - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) + if ( + oldHeight == null || + Math.abs(oldHeight - textHeight(this.display)) > 0.5 + ) estimateLineHeights(this); signal(this, "refresh", this); }), - swapDoc: methodOp(function(doc) { + swapDoc: methodOp(function (doc) { var old = this.doc; old.cm = null; attachDoc(this, doc); @@ -5290,53 +6827,85 @@ return old; }), - getInputField: function(){return this.display.input.getField();}, - getWrapperElement: function(){return this.display.wrapper;}, - getScrollerElement: function(){return this.display.scroller;}, - getGutterElement: function(){return this.display.gutters;} + getInputField: function () { + return this.display.input.getField(); + }, + getWrapperElement: function () { + return this.display.wrapper; + }, + getScrollerElement: function () { + return this.display.scroller; + }, + getGutterElement: function () { + return this.display.gutters; + }, }; eventMixin(CodeMirror); // OPTION DEFAULTS // The default configuration options. - var defaults = CodeMirror.defaults = {}; + var defaults = (CodeMirror.defaults = {}); // Functions to run when options are changed. - var optionHandlers = CodeMirror.optionHandlers = {}; + var optionHandlers = (CodeMirror.optionHandlers = {}); function option(name, deflt, handle, notOnInit) { CodeMirror.defaults[name] = deflt; - if (handle) optionHandlers[name] = - notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; + if (handle) + optionHandlers[name] = notOnInit + ? function (cm, val, old) { + if (old != Init) handle(cm, val, old); + } + : handle; } // Passed to option handlers when there is no old value. - var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; + var Init = (CodeMirror.Init = { + toString: function () { + return "CodeMirror.Init"; + }, + }); // These two are, on init, called from the constructor because they // have to be initialized before the editor can start at all. - option("value", "", function(cm, val) { - cm.setValue(val); - }, true); - option("mode", null, function(cm, val) { - cm.doc.modeOption = val; - loadMode(cm); - }, true); + option( + "value", + "", + function (cm, val) { + cm.setValue(val); + }, + true + ); + option( + "mode", + null, + function (cm, val) { + cm.doc.modeOption = val; + loadMode(cm); + }, + true + ); option("indentUnit", 2, loadMode, true); option("indentWithTabs", false); option("smartIndent", true); - option("tabSize", 4, function(cm) { - resetModeState(cm); - clearCaches(cm); - regChange(cm); - }, true); - option("lineSeparator", null, function(cm, val) { + option( + "tabSize", + 4, + function (cm) { + resetModeState(cm); + clearCaches(cm); + regChange(cm); + }, + true + ); + option("lineSeparator", null, function (cm, val) { cm.doc.lineSep = val; if (!val) return; - var newBreaks = [], lineNo = cm.doc.first; - cm.doc.iter(function(line) { - for (var pos = 0;;) { + var newBreaks = [], + lineNo = cm.doc.first; + cm.doc.iter(function (line) { + for (var pos = 0; ; ) { var found = line.text.indexOf(val, pos); if (found == -1) break; pos = found + val.length; @@ -5345,25 +6914,56 @@ lineNo++; }); for (var i = newBreaks.length - 1; i >= 0; i--) - replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) + replaceRange( + cm.doc, + val, + newBreaks[i], + Pos(newBreaks[i].line, newBreaks[i].ch + val.length) + ); }); - option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - if (old != CodeMirror.Init) cm.refresh(); - }); - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); + option( + "specialChars", + /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, + function (cm, val, old) { + cm.state.specialChars = new RegExp( + val.source + (val.test("\t") ? "" : "|\t"), + "g" + ); + if (old != CodeMirror.Init) cm.refresh(); + } + ); + option( + "specialCharPlaceholder", + defaultSpecialCharPlaceholder, + function (cm) { + cm.refresh(); + }, + true + ); option("electricChars", true); - option("inputStyle", mobile ? "contenteditable" : "textarea", function() { - throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME - }, true); + option( + "inputStyle", + mobile ? "contenteditable" : "textarea", + function () { + throw new Error( + "inputStyle can not (yet) be changed in a running editor" + ); // FIXME + }, + true + ); option("rtlMoveVisually", !windows); option("wholeLineUpdateBefore", true); - option("theme", "default", function(cm) { - themeChanged(cm); - guttersChanged(cm); - }, true); - option("keyMap", "default", function(cm, val, old) { + option( + "theme", + "default", + function (cm) { + themeChanged(cm); + guttersChanged(cm); + }, + true + ); + option("keyMap", "default", function (cm, val, old) { var next = getKeyMap(val); var prev = old != CodeMirror.Init && getKeyMap(old); if (prev && prev.detach) prev.detach(cm, next); @@ -5372,33 +6972,69 @@ option("extraKeys", null); option("lineWrapping", false, wrappingChanged, true); - option("gutters", [], function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("fixedGutter", true, function(cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; - cm.refresh(); - }, true); - option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); - option("scrollbarStyle", "native", function(cm) { - initScrollbars(cm); - updateScrollbars(cm); - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); - }, true); - option("lineNumbers", false, function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); + option( + "gutters", + [], + function (cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, + true + ); + option( + "fixedGutter", + true, + function (cm, val) { + cm.display.gutters.style.left = val + ? compensateForHScroll(cm.display) + "px" + : "0"; + cm.refresh(); + }, + true + ); + option( + "coverGutterNextToScrollbar", + false, + function (cm) { + updateScrollbars(cm); + }, + true + ); + option( + "scrollbarStyle", + "native", + function (cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, + true + ); + option( + "lineNumbers", + false, + function (cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, + true + ); option("firstLineNumber", 1, guttersChanged, true); - option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); + option( + "lineNumberFormatter", + function (integer) { + return integer; + }, + guttersChanged, + true + ); option("showCursorWhenSelecting", false, updateSelection, true); option("resetSelectionOnContextMenu", true); option("lineWiseCopyCut", true); - option("readOnly", false, function(cm, val) { + option("readOnly", false, function (cm, val) { if (val == "nocursor") { onBlur(cm); cm.display.input.blur(); @@ -5406,9 +7042,16 @@ } else { cm.display.disabled = false; } - cm.display.input.readOnlyChanged(val) + cm.display.input.readOnlyChanged(val); }); - option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); + option( + "disableInput", + false, + function (cm, val) { + if (!val) cm.display.input.reset(); + }, + true + ); option("dragDrop", true, dragDropChanged); option("cursorBlinkRate", 530); @@ -5420,15 +7063,24 @@ option("flattenSpans", true, resetModeState, true); option("addModeClass", false, resetModeState, true); option("pollInterval", 100); - option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;}); + option("undoDepth", 200, function (cm, val) { + cm.doc.history.undoDepth = val; + }); option("historyEventDelay", 1250); - option("viewportMargin", 10, function(cm){cm.refresh();}, true); + option( + "viewportMargin", + 10, + function (cm) { + cm.refresh(); + }, + true + ); option("maxHighlightLength", 10000, resetModeState, true); - option("moveInputWithCursor", true, function(cm, val) { + option("moveInputWithCursor", true, function (cm, val) { if (!val) cm.display.input.resetPosition(); }); - option("tabindex", null, function(cm, val) { + option("tabindex", null, function (cm, val) { cm.display.input.getField().tabIndex = val || ""; }); option("autofocus", null); @@ -5436,42 +7088,51 @@ // MODE DEFINITION AND QUERYING // Known modes, by name and by MIME - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; + var modes = (CodeMirror.modes = {}), + mimeModes = (CodeMirror.mimeModes = {}); // Extra arguments are stored as the mode's dependencies, which is // used by (legacy) mechanisms like loadmode.js to automatically // load a mode. (Preferred mechanism is the require/define calls.) - CodeMirror.defineMode = function(name, mode) { - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; + CodeMirror.defineMode = function (name, mode) { + if (!CodeMirror.defaults.mode && name != "null") + CodeMirror.defaults.mode = name; if (arguments.length > 2) mode.dependencies = Array.prototype.slice.call(arguments, 2); modes[name] = mode; }; - CodeMirror.defineMIME = function(mime, spec) { + CodeMirror.defineMIME = function (mime, spec) { mimeModes[mime] = spec; }; // Given a MIME type, a {name, ...options} config object, or a name // string, return a mode config object. - CodeMirror.resolveMode = function(spec) { + CodeMirror.resolveMode = function (spec) { if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { spec = mimeModes[spec]; - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + } else if ( + spec && + typeof spec.name == "string" && + mimeModes.hasOwnProperty(spec.name) + ) { var found = mimeModes[spec.name]; - if (typeof found == "string") found = {name: found}; + if (typeof found == "string") found = { name: found }; spec = createObj(found, spec); spec.name = found.name; - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + } else if ( + typeof spec == "string" && + /^[\w\-]+\/[\w\-]+\+xml$/.test(spec) + ) { return CodeMirror.resolveMode("application/xml"); } - if (typeof spec == "string") return {name: spec}; - else return spec || {name: "null"}; + if (typeof spec == "string") return { name: spec }; + else return spec || { name: "null" }; }; // Given a mode spec (anything that resolveMode accepts), find and // initialize an actual mode object. - CodeMirror.getMode = function(options, spec) { + CodeMirror.getMode = function (options, spec) { var spec = CodeMirror.resolveMode(spec); var mfactory = modes[spec.name]; if (!mfactory) return CodeMirror.getMode(options, "text/plain"); @@ -5486,47 +7147,56 @@ } modeObj.name = spec.name; if (spec.helperType) modeObj.helperType = spec.helperType; - if (spec.modeProps) for (var prop in spec.modeProps) - modeObj[prop] = spec.modeProps[prop]; + if (spec.modeProps) + for (var prop in spec.modeProps) modeObj[prop] = spec.modeProps[prop]; return modeObj; }; // Minimal default mode. - CodeMirror.defineMode("null", function() { - return {token: function(stream) {stream.skipToEnd();}}; + CodeMirror.defineMode("null", function () { + return { + token: function (stream) { + stream.skipToEnd(); + }, + }; }); CodeMirror.defineMIME("text/plain", "null"); // This can be used to attach properties to mode objects from // outside the actual mode definition. - var modeExtensions = CodeMirror.modeExtensions = {}; - CodeMirror.extendMode = function(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + var modeExtensions = (CodeMirror.modeExtensions = {}); + CodeMirror.extendMode = function (mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) + ? modeExtensions[mode] + : (modeExtensions[mode] = {}); copyObj(properties, exts); }; // EXTENSIONS - CodeMirror.defineExtension = function(name, func) { + CodeMirror.defineExtension = function (name, func) { CodeMirror.prototype[name] = func; }; - CodeMirror.defineDocExtension = function(name, func) { + CodeMirror.defineDocExtension = function (name, func) { Doc.prototype[name] = func; }; CodeMirror.defineOption = option; var initHooks = []; - CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; + CodeMirror.defineInitHook = function (f) { + initHooks.push(f); + }; - var helpers = CodeMirror.helpers = {}; - CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []}; + var helpers = (CodeMirror.helpers = {}); + CodeMirror.registerHelper = function (type, name, value) { + if (!helpers.hasOwnProperty(type)) + helpers[type] = CodeMirror[type] = { _global: [] }; helpers[type][name] = value; }; - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerGlobalHelper = function (type, name, predicate, value) { CodeMirror.registerHelper(type, name, value); - helpers[type]._global.push({pred: predicate, val: value}); + helpers[type]._global.push({ pred: predicate, val: value }); }; // MODE STATE HANDLING @@ -5534,7 +7204,7 @@ // Utility functions for working with state. Exported because nested // modes need to do this for their inner modes. - var copyState = CodeMirror.copyState = function(mode, state) { + var copyState = (CodeMirror.copyState = function (mode, state) { if (state === true) return state; if (mode.copyState) return mode.copyState(state); var nstate = {}; @@ -5544,162 +7214,260 @@ nstate[n] = val; } return nstate; - }; + }); - var startState = CodeMirror.startState = function(mode, a1, a2) { + var startState = (CodeMirror.startState = function (mode, a1, a2) { return mode.startState ? mode.startState(a1, a2) : true; - }; + }); // Given a mode and a state (for that mode), find the inner mode and // state at the position that the state refers to. - CodeMirror.innerMode = function(mode, state) { + CodeMirror.innerMode = function (mode, state) { while (mode.innerMode) { var info = mode.innerMode(state); if (!info || info.mode == mode) break; state = info.state; mode = info.mode; } - return info || {mode: mode, state: state}; + return info || { mode: mode, state: state }; }; // STANDARD COMMANDS // Commands are parameter-less actions that can be performed on an // editor, mostly used for keybindings. - var commands = CodeMirror.commands = { - selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);}, - singleSelection: function(cm) { - cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); + var commands = (CodeMirror.commands = { + selectAll: function (cm) { + cm.setSelection( + Pos(cm.firstLine(), 0), + Pos(cm.lastLine()), + sel_dontScroll + ); + }, + singleSelection: function (cm) { + cm.setSelection( + cm.getCursor("anchor"), + cm.getCursor("head"), + sel_dontScroll + ); }, - killLine: function(cm) { - deleteNearSelection(cm, function(range) { + killLine: function (cm) { + deleteNearSelection(cm, function (range) { if (range.empty()) { var len = getLine(cm.doc, range.head.line).text.length; if (range.head.ch == len && range.head.line < cm.lastLine()) - return {from: range.head, to: Pos(range.head.line + 1, 0)}; - else - return {from: range.head, to: Pos(range.head.line, len)}; + return { from: range.head, to: Pos(range.head.line + 1, 0) }; + else return { from: range.head, to: Pos(range.head.line, len) }; } else { - return {from: range.from(), to: range.to()}; + return { from: range.from(), to: range.to() }; } }); }, - deleteLine: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), - to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}; + deleteLine: function (cm) { + deleteNearSelection(cm, function (range) { + return { + from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0)), + }; }); }, - delLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), to: range.from()}; + delLineLeft: function (cm) { + deleteNearSelection(cm, function (range) { + return { from: Pos(range.from().line, 0), to: range.from() }; }); }, - delWrappedLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { + delWrappedLineLeft: function (cm) { + deleteNearSelection(cm, function (range) { var top = cm.charCoords(range.head, "div").top + 5; - var leftPos = cm.coordsChar({left: 0, top: top}, "div"); - return {from: leftPos, to: range.from()}; + var leftPos = cm.coordsChar({ left: 0, top: top }, "div"); + return { from: leftPos, to: range.from() }; }); }, - delWrappedLineRight: function(cm) { - deleteNearSelection(cm, function(range) { + delWrappedLineRight: function (cm) { + deleteNearSelection(cm, function (range) { var top = cm.charCoords(range.head, "div").top + 5; - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - return {from: range.from(), to: rightPos }; + var rightPos = cm.coordsChar( + { left: cm.display.lineDiv.offsetWidth + 100, top: top }, + "div" + ); + return { from: range.from(), to: rightPos }; }); }, - undo: function(cm) {cm.undo();}, - redo: function(cm) {cm.redo();}, - undoSelection: function(cm) {cm.undoSelection();}, - redoSelection: function(cm) {cm.redoSelection();}, - goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, - goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, - goLineStart: function(cm) { - cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, - {origin: "+move", bias: 1}); - }, - goLineStartSmart: function(cm) { - cm.extendSelectionsBy(function(range) { - return lineStartSmart(cm, range.head); - }, {origin: "+move", bias: 1}); - }, - goLineEnd: function(cm) { - cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, - {origin: "+move", bias: -1}); - }, - goLineRight: function(cm) { - cm.extendSelectionsBy(function(range) { + undo: function (cm) { + cm.undo(); + }, + redo: function (cm) { + cm.redo(); + }, + undoSelection: function (cm) { + cm.undoSelection(); + }, + redoSelection: function (cm) { + cm.redoSelection(); + }, + goDocStart: function (cm) { + cm.extendSelection(Pos(cm.firstLine(), 0)); + }, + goDocEnd: function (cm) { + cm.extendSelection(Pos(cm.lastLine())); + }, + goLineStart: function (cm) { + cm.extendSelectionsBy( + function (range) { + return lineStart(cm, range.head.line); + }, + { origin: "+move", bias: 1 } + ); + }, + goLineStartSmart: function (cm) { + cm.extendSelectionsBy( + function (range) { + return lineStartSmart(cm, range.head); + }, + { origin: "+move", bias: 1 } + ); + }, + goLineEnd: function (cm) { + cm.extendSelectionsBy( + function (range) { + return lineEnd(cm, range.head.line); + }, + { origin: "+move", bias: -1 } + ); + }, + goLineRight: function (cm) { + cm.extendSelectionsBy(function (range) { var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + return cm.coordsChar( + { left: cm.display.lineDiv.offsetWidth + 100, top: top }, + "div" + ); }, sel_move); }, - goLineLeft: function(cm) { - cm.extendSelectionsBy(function(range) { + goLineLeft: function (cm) { + cm.extendSelectionsBy(function (range) { var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: 0, top: top}, "div"); + return cm.coordsChar({ left: 0, top: top }, "div"); }, sel_move); }, - goLineLeftSmart: function(cm) { - cm.extendSelectionsBy(function(range) { + goLineLeftSmart: function (cm) { + cm.extendSelectionsBy(function (range) { var top = cm.charCoords(range.head, "div").top + 5; - var pos = cm.coordsChar({left: 0, top: top}, "div"); - if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); + var pos = cm.coordsChar({ left: 0, top: top }, "div"); + if (pos.ch < cm.getLine(pos.line).search(/\S/)) + return lineStartSmart(cm, range.head); return pos; }, sel_move); }, - goLineUp: function(cm) {cm.moveV(-1, "line");}, - goLineDown: function(cm) {cm.moveV(1, "line");}, - goPageUp: function(cm) {cm.moveV(-1, "page");}, - goPageDown: function(cm) {cm.moveV(1, "page");}, - goCharLeft: function(cm) {cm.moveH(-1, "char");}, - goCharRight: function(cm) {cm.moveH(1, "char");}, - goColumnLeft: function(cm) {cm.moveH(-1, "column");}, - goColumnRight: function(cm) {cm.moveH(1, "column");}, - goWordLeft: function(cm) {cm.moveH(-1, "word");}, - goGroupRight: function(cm) {cm.moveH(1, "group");}, - goGroupLeft: function(cm) {cm.moveH(-1, "group");}, - goWordRight: function(cm) {cm.moveH(1, "word");}, - delCharBefore: function(cm) {cm.deleteH(-1, "char");}, - delCharAfter: function(cm) {cm.deleteH(1, "char");}, - delWordBefore: function(cm) {cm.deleteH(-1, "word");}, - delWordAfter: function(cm) {cm.deleteH(1, "word");}, - delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, - delGroupAfter: function(cm) {cm.deleteH(1, "group");}, - indentAuto: function(cm) {cm.indentSelection("smart");}, - indentMore: function(cm) {cm.indentSelection("add");}, - indentLess: function(cm) {cm.indentSelection("subtract");}, - insertTab: function(cm) {cm.replaceSelection("\t");}, - insertSoftTab: function(cm) { - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; + goLineUp: function (cm) { + cm.moveV(-1, "line"); + }, + goLineDown: function (cm) { + cm.moveV(1, "line"); + }, + goPageUp: function (cm) { + cm.moveV(-1, "page"); + }, + goPageDown: function (cm) { + cm.moveV(1, "page"); + }, + goCharLeft: function (cm) { + cm.moveH(-1, "char"); + }, + goCharRight: function (cm) { + cm.moveH(1, "char"); + }, + goColumnLeft: function (cm) { + cm.moveH(-1, "column"); + }, + goColumnRight: function (cm) { + cm.moveH(1, "column"); + }, + goWordLeft: function (cm) { + cm.moveH(-1, "word"); + }, + goGroupRight: function (cm) { + cm.moveH(1, "group"); + }, + goGroupLeft: function (cm) { + cm.moveH(-1, "group"); + }, + goWordRight: function (cm) { + cm.moveH(1, "word"); + }, + delCharBefore: function (cm) { + cm.deleteH(-1, "char"); + }, + delCharAfter: function (cm) { + cm.deleteH(1, "char"); + }, + delWordBefore: function (cm) { + cm.deleteH(-1, "word"); + }, + delWordAfter: function (cm) { + cm.deleteH(1, "word"); + }, + delGroupBefore: function (cm) { + cm.deleteH(-1, "group"); + }, + delGroupAfter: function (cm) { + cm.deleteH(1, "group"); + }, + indentAuto: function (cm) { + cm.indentSelection("smart"); + }, + indentMore: function (cm) { + cm.indentSelection("add"); + }, + indentLess: function (cm) { + cm.indentSelection("subtract"); + }, + insertTab: function (cm) { + cm.replaceSelection("\t"); + }, + insertSoftTab: function (cm) { + var spaces = [], + ranges = cm.listSelections(), + tabSize = cm.options.tabSize; for (var i = 0; i < ranges.length; i++) { var pos = ranges[i].from(); var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); - spaces.push(new Array(tabSize - col % tabSize + 1).join(" ")); + spaces.push(new Array(tabSize - (col % tabSize) + 1).join(" ")); } cm.replaceSelections(spaces); }, - defaultTab: function(cm) { + defaultTab: function (cm) { if (cm.somethingSelected()) cm.indentSelection("add"); else cm.execCommand("insertTab"); }, - transposeChars: function(cm) { - runInOp(cm, function() { - var ranges = cm.listSelections(), newSel = []; + transposeChars: function (cm) { + runInOp(cm, function () { + var ranges = cm.listSelections(), + newSel = []; for (var i = 0; i < ranges.length; i++) { - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; + var cur = ranges[i].head, + line = getLine(cm.doc, cur.line).text; if (line) { if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1); if (cur.ch > 0) { cur = new Pos(cur.line, cur.ch + 1); - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), - Pos(cur.line, cur.ch - 2), cur, "+transpose"); + cm.replaceRange( + line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), + cur, + "+transpose" + ); } else if (cur.line > cm.doc.first) { var prev = getLine(cm.doc, cur.line - 1).text; if (prev) - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + - prev.charAt(prev.length - 1), - Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); + cm.replaceRange( + line.charAt(0) + + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), + Pos(cur.line, 1), + "+transpose" + ); } } newSel.push(new Range(cur, cur)); @@ -5707,69 +7475,140 @@ cm.setSelections(newSel); }); }, - newlineAndIndent: function(cm) { - runInOp(cm, function() { + newlineAndIndent: function (cm) { + runInOp(cm, function () { var len = cm.listSelections().length; for (var i = 0; i < len; i++) { var range = cm.listSelections()[i]; - cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); + cm.replaceRange( + cm.doc.lineSeparator(), + range.anchor, + range.head, + "+input" + ); cm.indentLine(range.from().line + 1, null, true); ensureCursorVisible(cm); } }); }, - toggleOverwrite: function(cm) {cm.toggleOverwrite();} - }; - + toggleOverwrite: function (cm) { + cm.toggleOverwrite(); + }, + }); // STANDARD KEYMAPS - var keyMap = CodeMirror.keyMap = {}; + var keyMap = (CodeMirror.keyMap = {}); keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", - "Esc": "singleSelection" + Left: "goCharLeft", + Right: "goCharRight", + Up: "goLineUp", + Down: "goLineDown", + End: "goLineEnd", + Home: "goLineStartSmart", + PageUp: "goPageUp", + PageDown: "goPageDown", + Delete: "delCharAfter", + Backspace: "delCharBefore", + "Shift-Backspace": "delCharBefore", + Tab: "defaultTab", + "Shift-Tab": "indentAuto", + Enter: "newlineAndIndent", + Insert: "toggleOverwrite", + Esc: "singleSelection", }; // Note that the save and find-related commands aren't defined by // default. User code or addons can define them. Unknown commands // are simply ignored. keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", - fallthrough: "basic" + "Ctrl-A": "selectAll", + "Ctrl-D": "deleteLine", + "Ctrl-Z": "undo", + "Shift-Ctrl-Z": "redo", + "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", + "Ctrl-End": "goDocEnd", + "Ctrl-Up": "goLineUp", + "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", + "Ctrl-Right": "goGroupRight", + "Alt-Left": "goLineStart", + "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", + "Ctrl-Delete": "delGroupAfter", + "Ctrl-S": "save", + "Ctrl-F": "find", + "Ctrl-G": "findNext", + "Shift-Ctrl-G": "findPrev", + "Shift-Ctrl-F": "replace", + "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", + "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", + "Shift-Ctrl-U": "redoSelection", + "Alt-U": "redoSelection", + fallthrough: "basic", }; // Very basic readline/emacs-style bindings, which are standard on Mac. keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" + "Ctrl-F": "goCharRight", + "Ctrl-B": "goCharLeft", + "Ctrl-P": "goLineUp", + "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", + "Alt-B": "goWordLeft", + "Ctrl-A": "goLineStart", + "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageDown", + "Shift-Ctrl-V": "goPageUp", + "Ctrl-D": "delCharAfter", + "Ctrl-H": "delCharBefore", + "Alt-D": "delWordAfter", + "Alt-Backspace": "delWordBefore", + "Ctrl-K": "killLine", + "Ctrl-T": "transposeChars", }; keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", - fallthrough: ["basic", "emacsy"] + "Cmd-A": "selectAll", + "Cmd-D": "deleteLine", + "Cmd-Z": "undo", + "Shift-Cmd-Z": "redo", + "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", + "Cmd-Up": "goDocStart", + "Cmd-End": "goDocEnd", + "Cmd-Down": "goDocEnd", + "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", + "Cmd-Left": "goLineLeft", + "Cmd-Right": "goLineRight", + "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", + "Alt-Delete": "delGroupAfter", + "Cmd-S": "save", + "Cmd-F": "find", + "Cmd-G": "findNext", + "Shift-Cmd-G": "findPrev", + "Cmd-Alt-F": "replace", + "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", + "Cmd-]": "indentMore", + "Cmd-Backspace": "delWrappedLineLeft", + "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", + "Shift-Cmd-U": "redoSelection", + "Ctrl-Up": "goDocStart", + "Ctrl-Down": "goDocEnd", + fallthrough: ["basic", "emacsy"], }; keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; // KEYMAP DISPATCH function normalizeKeyName(name) { - var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; + var parts = name.split(/-(?!$)/), + name = parts[parts.length - 1]; var alt, ctrl, shift, cmd; for (var i = 0; i < parts.length - 1; i++) { var mod = parts[i]; @@ -5791,34 +7630,39 @@ // like normalization and multi-stroke key bindings. It compiles a // new normalized keymap, and then updates the old object to reflect // this. - CodeMirror.normalizeKeyMap = function(keymap) { + CodeMirror.normalizeKeyMap = function (keymap) { var copy = {}; - for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { - var value = keymap[keyname]; - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; - if (value == "...") { delete keymap[keyname]; continue; } - - var keys = map(keyname.split(" "), normalizeKeyName); - for (var i = 0; i < keys.length; i++) { - var val, name; - if (i == keys.length - 1) { - name = keys.join(" "); - val = value; - } else { - name = keys.slice(0, i + 1).join(" "); - val = "..."; + for (var keyname in keymap) + if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; + if (value == "...") { + delete keymap[keyname]; + continue; } - var prev = copy[name]; - if (!prev) copy[name] = val; - else if (prev != val) throw new Error("Inconsistent bindings for " + name); + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val, name; + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) copy[name] = val; + else if (prev != val) + throw new Error("Inconsistent bindings for " + name); + } + delete keymap[keyname]; } - delete keymap[keyname]; - } for (var prop in copy) keymap[prop] = copy[prop]; return keymap; }; - var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { + var lookupKey = (CodeMirror.lookupKey = function (key, map, handle, context) { map = getKeyMap(map); var found = map.call ? map.call(key, context) : map[key]; if (found === false) return "nothing"; @@ -5833,26 +7677,29 @@ if (result) return result; } } - }; + }); // Modifier key presses don't count as 'real' key presses for the // purpose of keymap fallthrough. - var isModifierKey = CodeMirror.isModifierKey = function(value) { + var isModifierKey = (CodeMirror.isModifierKey = function (value) { var name = typeof value == "string" ? value : keyNames[value.keyCode]; return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; - }; + }); // Look up the name of a key as indicated by an event object. - var keyName = CodeMirror.keyName = function(event, noShift) { + var keyName = (CodeMirror.keyName = function (event, noShift) { if (presto && event.keyCode == 34 && event["char"]) return false; - var base = keyNames[event.keyCode], name = base; + var base = keyNames[event.keyCode], + name = base; if (name == null || event.altGraphKey) return false; if (event.altKey && base != "Alt") name = "Alt-" + name; - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") + name = "Ctrl-" + name; + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") + name = "Cmd-" + name; if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; return name; - }; + }); function getKeyMap(val) { return typeof val == "string" ? keyMap[val] : val; @@ -5860,7 +7707,7 @@ // FROMTEXTAREA - CodeMirror.fromTextArea = function(textarea, options) { + CodeMirror.fromTextArea = function (textarea, options) { options = options ? copyObj(options) : {}; options.value = textarea.value; if (!options.tabindex && textarea.tabIndex) @@ -5871,31 +7718,38 @@ // autofocus and no other element is focused. if (options.autofocus == null) { var hasFocus = activeElt(); - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; + options.autofocus = + hasFocus == textarea || + (textarea.getAttribute("autofocus") != null && + hasFocus == document.body); } - function save() {textarea.value = cm.getValue();} + function save() { + textarea.value = cm.getValue(); + } if (textarea.form) { on(textarea.form, "submit", save); // Deplorable hack to make the submit method do the right thing. if (!options.leaveSubmitMethodAlone) { - var form = textarea.form, realSubmit = form.submit; + var form = textarea.form, + realSubmit = form.submit; try { - var wrappedSubmit = form.submit = function() { + var wrappedSubmit = (form.submit = function () { save(); form.submit = realSubmit; form.submit(); form.submit = wrappedSubmit; - }; - } catch(e) {} + }); + } catch (e) {} } } - options.finishInit = function(cm) { + options.finishInit = function (cm) { cm.save = save; - cm.getTextArea = function() { return textarea; }; - cm.toTextArea = function() { + cm.getTextArea = function () { + return textarea; + }; + cm.toTextArea = function () { cm.toTextArea = isNaN; // Prevent this from being ran twice save(); textarea.parentNode.removeChild(cm.getWrapperElement()); @@ -5909,7 +7763,7 @@ }; textarea.style.display = "none"; - var cm = CodeMirror(function(node) { + var cm = CodeMirror(function (node) { textarea.parentNode.insertBefore(node, textarea.nextSibling); }, options); return cm; @@ -5920,58 +7774,90 @@ // Fed to the mode parsers, provides helper functions to make // parsers more succinct. - var StringStream = CodeMirror.StringStream = function(string, tabSize) { + var StringStream = (CodeMirror.StringStream = function (string, tabSize) { this.pos = this.start = 0; this.string = string; this.tabSize = tabSize || 8; this.lastColumnPos = this.lastColumnValue = 0; this.lineStart = 0; - }; + }); StringStream.prototype = { - eol: function() {return this.pos >= this.string.length;}, - sol: function() {return this.pos == this.lineStart;}, - peek: function() {return this.string.charAt(this.pos) || undefined;}, - next: function() { - if (this.pos < this.string.length) - return this.string.charAt(this.pos++); - }, - eat: function(match) { + eol: function () { + return this.pos >= this.string.length; + }, + sol: function () { + return this.pos == this.lineStart; + }, + peek: function () { + return this.string.charAt(this.pos) || undefined; + }, + next: function () { + if (this.pos < this.string.length) return this.string.charAt(this.pos++); + }, + eat: function (match) { var ch = this.string.charAt(this.pos); if (typeof match == "string") var ok = ch == match; else var ok = ch && (match.test ? match.test(ch) : match(ch)); - if (ok) {++this.pos; return ch;} + if (ok) { + ++this.pos; + return ch; + } }, - eatWhile: function(match) { + eatWhile: function (match) { var start = this.pos; - while (this.eat(match)){} + while (this.eat(match)) {} return this.pos > start; }, - eatSpace: function() { + eatSpace: function () { var start = this.pos; while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; return this.pos > start; }, - skipToEnd: function() {this.pos = this.string.length;}, - skipTo: function(ch) { + skipToEnd: function () { + this.pos = this.string.length; + }, + skipTo: function (ch) { var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true;} + if (found > -1) { + this.pos = found; + return true; + } }, - backUp: function(n) {this.pos -= n;}, - column: function() { + backUp: function (n) { + this.pos -= n; + }, + column: function () { if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); + this.lastColumnValue = countColumn( + this.string, + this.start, + this.tabSize, + this.lastColumnPos, + this.lastColumnValue + ); this.lastColumnPos = this.start; } - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); + return ( + this.lastColumnValue - + (this.lineStart + ? countColumn(this.string, this.lineStart, this.tabSize) + : 0) + ); }, - indentation: function() { - return countColumn(this.string, null, this.tabSize) - - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); + indentation: function () { + return ( + countColumn(this.string, null, this.tabSize) - + (this.lineStart + ? countColumn(this.string, this.lineStart, this.tabSize) + : 0) + ); }, - match: function(pattern, consume, caseInsensitive) { + match: function (pattern, consume, caseInsensitive) { if (typeof pattern == "string") { - var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; + var cased = function (str) { + return caseInsensitive ? str.toLowerCase() : str; + }; var substr = this.string.substr(this.pos, pattern.length); if (cased(substr) == cased(pattern)) { if (consume !== false) this.pos += pattern.length; @@ -5984,12 +7870,17 @@ return match; } }, - current: function(){return this.string.slice(this.start, this.pos);}, - hideFirstChars: function(n, inner) { + current: function () { + return this.string.slice(this.start, this.pos); + }, + hideFirstChars: function (n, inner) { this.lineStart += n; - try { return inner(); } - finally { this.lineStart -= n; } - } + try { + return inner(); + } finally { + this.lineStart -= n; + } + }, }; // TEXTMARKERS @@ -6006,24 +7897,26 @@ var nextMarkerId = 0; - var TextMarker = CodeMirror.TextMarker = function(doc, type) { + var TextMarker = (CodeMirror.TextMarker = function (doc, type) { this.lines = []; this.type = type; this.doc = doc; this.id = ++nextMarkerId; - }; + }); eventMixin(TextMarker); // Clear the marker. - TextMarker.prototype.clear = function() { + TextMarker.prototype.clear = function () { if (this.explicitlyCleared) return; - var cm = this.doc.cm, withOp = cm && !cm.curOp; + var cm = this.doc.cm, + withOp = cm && !cm.curOp; if (withOp) startOperation(cm); if (hasHandler(this, "clear")) { var found = this.find(); if (found) signalLater(this, "clear", found.from, found.to); } - var min = null, max = null; + var min = null, + max = null; for (var i = 0; i < this.lines.length; ++i) { var line = this.lines[i]; var span = getMarkedSpanFor(line.markedSpans, this); @@ -6033,17 +7926,24 @@ if (span.from != null) min = lineNo(line); } line.markedSpans = removeMarkedSpan(line.markedSpans, span); - if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) + if ( + span.from == null && + this.collapsed && + !lineIsHidden(this.doc, line) && + cm + ) updateLineHeight(line, textHeight(cm.display)); } - if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { - var visual = visualLine(this.lines[i]), len = lineLength(visual); - if (len > cm.display.maxLineLength) { - cm.display.maxLine = visual; - cm.display.maxLineLength = len; - cm.display.maxLineChanged = true; + if (cm && this.collapsed && !cm.options.lineWrapping) + for (var i = 0; i < this.lines.length; ++i) { + var visual = visualLine(this.lines[i]), + len = lineLength(visual); + if (len > cm.display.maxLineLength) { + cm.display.maxLine = visual; + cm.display.maxLineLength = len; + cm.display.maxLineChanged = true; + } } - } if (min != null && cm && this.collapsed) regChange(cm, min, max + 1); this.lines.length = 0; @@ -6062,7 +7962,7 @@ // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the // Pos objects returned contain a line object, rather than a line // number (used to prevent looking up the same line twice). - TextMarker.prototype.find = function(side, lineObj) { + TextMarker.prototype.find = function (side, lineObj) { if (side == null && this.type == "bookmark") side = 1; var from, to; for (var i = 0; i < this.lines.length; ++i) { @@ -6077,16 +7977,19 @@ if (side == 1) return to; } } - return from && {from: from, to: to}; + return from && { from: from, to: to }; }; // Signals that the marker's widget changed, and surrounding layout // should be recomputed. - TextMarker.prototype.changed = function() { - var pos = this.find(-1, true), widget = this, cm = this.doc.cm; + TextMarker.prototype.changed = function () { + var pos = this.find(-1, true), + widget = this, + cm = this.doc.cm; if (!pos || !cm) return; - runInOp(cm, function() { - var line = pos.line, lineN = lineNo(pos.line); + runInOp(cm, function () { + var line = pos.line, + lineN = lineNo(pos.line); var view = findViewForLine(cm, lineN); if (view) { clearLineMeasurementCacheFor(view); @@ -6097,13 +8000,12 @@ var oldHeight = widget.height; widget.height = null; var dHeight = widgetHeight(widget) - oldHeight; - if (dHeight) - updateLineHeight(line, line.height + dHeight); + if (dHeight) updateLineHeight(line, line.height + dHeight); } }); }; - TextMarker.prototype.attachLine = function(line) { + TextMarker.prototype.attachLine = function (line) { if (!this.lines.length && this.doc.cm) { var op = this.doc.cm.curOp; if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) @@ -6111,7 +8013,7 @@ } this.lines.push(line); }; - TextMarker.prototype.detachLine = function(line) { + TextMarker.prototype.detachLine = function (line) { this.lines.splice(indexOf(this.lines, line), 1); if (!this.lines.length && this.doc.cm) { var op = this.doc.cm.curOp; @@ -6129,48 +8031,82 @@ // Shared markers (across linked documents) are handled separately // (markTextShared will call out to this again, once per // document). - if (options && options.shared) return markTextShared(doc, from, to, options, type); + if (options && options.shared) + return markTextShared(doc, from, to, options, type); // Ensure we are in an operation. - if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); + if (doc.cm && !doc.cm.curOp) + return operation(doc.cm, markText)(doc, from, to, options, type); - var marker = new TextMarker(doc, type), diff = cmp(from, to); + var marker = new TextMarker(doc, type), + diff = cmp(from, to); if (options) copyObj(options, marker, false); // Don't connect empty markers unless clearWhenEmpty is false - if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) + if (diff > 0 || (diff == 0 && marker.clearWhenEmpty !== false)) return marker; if (marker.replacedWith) { // Showing up as a widget implies collapsed (widget replaces text) marker.collapsed = true; - marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); + marker.widgetNode = elt( + "span", + [marker.replacedWith], + "CodeMirror-widget" + ); + if (!options.handleMouseEvents) + marker.widgetNode.setAttribute("cm-ignore-events", "true"); if (options.insertLeft) marker.widgetNode.insertLeft = true; } if (marker.collapsed) { - if (conflictingCollapsedRange(doc, from.line, from, to, marker) || - from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) - throw new Error("Inserting collapsed marker partially overlapping an existing one"); + if ( + conflictingCollapsedRange(doc, from.line, from, to, marker) || + (from.line != to.line && + conflictingCollapsedRange(doc, to.line, from, to, marker)) + ) + throw new Error( + "Inserting collapsed marker partially overlapping an existing one" + ); sawCollapsedSpans = true; } if (marker.addToHistory) - addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); - - var curLine = from.line, cm = doc.cm, updateMaxLine; - doc.iter(curLine, to.line + 1, function(line) { - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) + addChangeToHistory( + doc, + { from: from, to: to, origin: "markText" }, + doc.sel, + NaN + ); + + var curLine = from.line, + cm = doc.cm, + updateMaxLine; + doc.iter(curLine, to.line + 1, function (line) { + if ( + cm && + marker.collapsed && + !cm.options.lineWrapping && + visualLine(line) == cm.display.maxLine + ) updateMaxLine = true; if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); - addMarkedSpan(line, new MarkedSpan(marker, - curLine == from.line ? from.ch : null, - curLine == to.line ? to.ch : null)); + addMarkedSpan( + line, + new MarkedSpan( + marker, + curLine == from.line ? from.ch : null, + curLine == to.line ? to.ch : null + ) + ); ++curLine; }); // lineIsHidden depends on the presence of the spans, so needs a second pass - if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { - if (lineIsHidden(doc, line)) updateLineHeight(line, 0); - }); + if (marker.collapsed) + doc.iter(from.line, to.line + 1, function (line) { + if (lineIsHidden(doc, line)) updateLineHeight(line, 0); + }); - if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); + if (marker.clearOnEnter) + on(marker, "beforeCursorEnter", function () { + marker.clear(); + }); if (marker.readOnly) { sawReadOnlySpans = true; @@ -6184,9 +8120,14 @@ if (cm) { // Sync editor state if (updateMaxLine) cm.curOp.updateMaxLine = true; - if (marker.collapsed) - regChange(cm, from.line, to.line + 1); - else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) + if (marker.collapsed) regChange(cm, from.line, to.line + 1); + else if ( + marker.className || + marker.title || + marker.startStyle || + marker.endStyle || + marker.css + ) for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); if (marker.atomic) reCheckSelection(cm.doc); signalLater(cm, "markerAdded", cm, marker); @@ -6199,33 +8140,37 @@ // A shared marker spans multiple linked documents. It is // implemented as a meta-marker-object controlling multiple normal // markers. - var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) { + var SharedTextMarker = (CodeMirror.SharedTextMarker = function ( + markers, + primary + ) { this.markers = markers; this.primary = primary; - for (var i = 0; i < markers.length; ++i) - markers[i].parent = this; - }; + for (var i = 0; i < markers.length; ++i) markers[i].parent = this; + }); eventMixin(SharedTextMarker); - SharedTextMarker.prototype.clear = function() { + SharedTextMarker.prototype.clear = function () { if (this.explicitlyCleared) return; this.explicitlyCleared = true; - for (var i = 0; i < this.markers.length; ++i) - this.markers[i].clear(); + for (var i = 0; i < this.markers.length; ++i) this.markers[i].clear(); signalLater(this, "clear"); }; - SharedTextMarker.prototype.find = function(side, lineObj) { + SharedTextMarker.prototype.find = function (side, lineObj) { return this.primary.find(side, lineObj); }; function markTextShared(doc, from, to, options, type) { options = copyObj(options); options.shared = false; - var markers = [markText(doc, from, to, options, type)], primary = markers[0]; + var markers = [markText(doc, from, to, options, type)], + primary = markers[0]; var widget = options.widgetNode; - linkedDocs(doc, function(doc) { + linkedDocs(doc, function (doc) { if (widget) options.widgetNode = widget.cloneNode(true); - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); + markers.push( + markText(doc, clipPos(doc, from), clipPos(doc, to), options, type) + ); for (var i = 0; i < doc.linked.length; ++i) if (doc.linked[i].isParent) return; primary = lst(markers); @@ -6234,16 +8179,29 @@ } function findSharedMarkers(doc) { - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), - function(m) { return m.parent; }); + return doc.findMarks( + Pos(doc.first, 0), + doc.clipPos(Pos(doc.lastLine())), + function (m) { + return m.parent; + } + ); } function copySharedMarkers(doc, markers) { for (var i = 0; i < markers.length; i++) { - var marker = markers[i], pos = marker.find(); - var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); + var marker = markers[i], + pos = marker.find(); + var mFrom = doc.clipPos(pos.from), + mTo = doc.clipPos(pos.to); if (cmp(mFrom, mTo)) { - var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); + var subMark = markText( + doc, + mFrom, + mTo, + marker.primary, + marker.primary.type + ); marker.markers.push(subMark); subMark.parent = marker; } @@ -6252,8 +8210,11 @@ function detachSharedMarkers(markers) { for (var i = 0; i < markers.length; i++) { - var marker = markers[i], linked = [marker.primary.doc];; - linkedDocs(marker.primary.doc, function(d) { linked.push(d); }); + var marker = markers[i], + linked = [marker.primary.doc]; + linkedDocs(marker.primary.doc, function (d) { + linked.push(d); + }); for (var j = 0; j < marker.markers.length; j++) { var subMarker = marker.markers[j]; if (indexOf(linked, subMarker.doc) == -1) { @@ -6268,15 +8229,17 @@ function MarkedSpan(marker, from, to) { this.marker = marker; - this.from = from; this.to = to; + this.from = from; + this.to = to; } // Search an array of spans for a span matching the given marker. function getMarkedSpanFor(spans, marker) { - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) return span; - } + if (spans) + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) return span; + } } // Remove a span from an array, returning undefined if no spans are // left (we don't store arrays for lines without spans). @@ -6287,7 +8250,9 @@ } // Add a span to a line. function addMarkedSpan(line, span) { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; + line.markedSpans = line.markedSpans + ? line.markedSpans.concat([span]) + : [span]; span.marker.attachLine(line); } @@ -6296,26 +8261,55 @@ // character position, returning an array of remaining chunks (or // undefined if nothing remains). function markedSpansBefore(old, startCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); - (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); + if (old) + for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], + marker = span.marker; + var startsBefore = + span.from == null || + (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if ( + startsBefore || + (span.from == startCh && + marker.type == "bookmark" && + (!isInsert || !span.marker.insertLeft)) + ) { + var endsAfter = + span.to == null || + (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); + (nw || (nw = [])).push( + new MarkedSpan(marker, span.from, endsAfter ? null : span.to) + ); + } } - } return nw; } function markedSpansAfter(old, endCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); - (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, - span.to == null ? null : span.to - endCh)); + if (old) + for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], + marker = span.marker; + var endsAfter = + span.to == null || + (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if ( + endsAfter || + (span.from == endCh && + marker.type == "bookmark" && + (!isInsert || span.marker.insertLeft)) + ) { + var startsBefore = + span.from == null || + (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); + (nw || (nw = [])).push( + new MarkedSpan( + marker, + startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh + ) + ); + } } - } return nw; } @@ -6327,17 +8321,23 @@ // arrays with one element for each line in (after) the change. function stretchSpansOverChange(doc, change) { if (change.full) return null; - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; + var oldFirst = + isLine(doc, change.from.line) && + getLine(doc, change.from.line).markedSpans; + var oldLast = + isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; if (!oldFirst && !oldLast) return null; - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; + var startCh = change.from.ch, + endCh = change.to.ch, + isInsert = cmp(change.from, change.to) == 0; // Get the spans that 'stick out' on both sides var first = markedSpansBefore(oldFirst, startCh, isInsert); var last = markedSpansAfter(oldLast, endCh, isInsert); // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); + var sameLine = change.text.length == 1, + offset = lst(change.text).length + (sameLine ? startCh : 0); if (first) { // Fix up .to properties of first for (var i = 0; i < first.length; ++i) { @@ -6345,7 +8345,8 @@ if (span.to == null) { var found = getMarkedSpanFor(last, span.marker); if (!found) span.to = startCh; - else if (sameLine) span.to = found.to == null ? null : found.to + offset; + else if (sameLine) + span.to = found.to == null ? null : found.to + offset; } } } @@ -6373,13 +8374,15 @@ var newMarkers = [first]; if (!sameLine) { // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers; + var gap = change.text.length - 2, + gapMarkers; if (gap > 0 && first) for (var i = 0; i < first.length; ++i) if (first[i].to == null) - (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null)); - for (var i = 0; i < gap; ++i) - newMarkers.push(gapMarkers); + (gapMarkers || (gapMarkers = [])).push( + new MarkedSpan(first[i].marker, null, null) + ); + for (var i = 0; i < gap; ++i) newMarkers.push(gapMarkers); newMarkers.push(last); } return newMarkers; @@ -6390,7 +8393,11 @@ function clearEmptySpans(spans) { for (var i = 0; i < spans.length; ++i) { var span = spans[i]; - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + if ( + span.from != null && + span.from == span.to && + span.marker.clearWhenEmpty !== false + ) spans.splice(i--, 1); } if (!spans.length) return null; @@ -6408,7 +8415,8 @@ if (!stretched) return old; for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i]; + var oldCur = old[i], + stretchCur = stretched[i]; if (oldCur && stretchCur) { spans: for (var j = 0; j < stretchCur.length; ++j) { var span = stretchCur[j]; @@ -6426,25 +8434,29 @@ // Used to 'clip' out readOnly ranges when making a change. function removeReadOnlyRanges(doc, from, to) { var markers = null; - doc.iter(from.line, to.line + 1, function(line) { - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker; - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - (markers || (markers = [])).push(mark); - } + doc.iter(from.line, to.line + 1, function (line) { + if (line.markedSpans) + for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker; + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + (markers || (markers = [])).push(mark); + } }); if (!markers) return null; - var parts = [{from: from, to: to}]; + var parts = [{ from: from, to: to }]; for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(0); + var mk = markers[i], + m = mk.find(0); for (var j = 0; j < parts.length; ++j) { var p = parts[j]; if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue; - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) - newParts.push({from: p.from, to: m.from}); - if (dto > 0 || !mk.inclusiveRight && !dto) - newParts.push({from: m.to, to: p.to}); + var newParts = [j, 1], + dfrom = cmp(p.from, m.from), + dto = cmp(p.to, m.to); + if (dfrom < 0 || (!mk.inclusiveLeft && !dfrom)) + newParts.push({ from: p.from, to: m.from }); + if (dto > 0 || (!mk.inclusiveRight && !dto)) + newParts.push({ from: m.to, to: p.to }); parts.splice.apply(parts, newParts); j += newParts.length - 1; } @@ -6456,21 +8468,23 @@ function detachMarkedSpans(line) { var spans = line.markedSpans; if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.detachLine(line); + for (var i = 0; i < spans.length; ++i) spans[i].marker.detachLine(line); line.markedSpans = null; } function attachMarkedSpans(line, spans) { if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.attachLine(line); + for (var i = 0; i < spans.length; ++i) spans[i].marker.attachLine(line); line.markedSpans = spans; } // Helpers used when computing which overlapping collapsed span // counts as the larger one. - function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; } - function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; } + function extraLeft(marker) { + return marker.inclusiveLeft ? -1 : 0; + } + function extraRight(marker) { + return marker.inclusiveRight ? 1 : 0; + } // Returns a number indicating which of two overlapping collapsed // spans is larger (and thus includes the other). Falls back to @@ -6478,7 +8492,8 @@ function compareCollapsedMarkers(a, b) { var lenDiff = a.lines.length - b.lines.length; if (lenDiff != 0) return lenDiff; - var aPos = a.find(), bPos = b.find(); + var aPos = a.find(), + bPos = b.find(); var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); if (fromCmp) return -fromCmp; var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); @@ -6489,17 +8504,26 @@ // Find out whether a line ends or starts in a collapsed span. If // so, return the marker for that span. function collapsedSpanAtSide(line, start) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) - found = sp.marker; - } + var sps = sawCollapsedSpans && line.markedSpans, + found; + if (sps) + for (var sp, i = 0; i < sps.length; ++i) { + sp = sps[i]; + if ( + sp.marker.collapsed && + (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0) + ) + found = sp.marker; + } return found; } - function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); } - function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); } + function collapsedSpanAtStart(line) { + return collapsedSpanAtSide(line, true); + } + function collapsedSpanAtEnd(line) { + return collapsedSpanAtSide(line, false); + } // Test whether there exists a collapsed span that partially // overlaps (covers the start or end, but not both) of a new span. @@ -6507,17 +8531,27 @@ function conflictingCollapsedRange(doc, lineNo, from, to, marker) { var line = getLine(doc, lineNo); var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (!sp.marker.collapsed) continue; - var found = sp.marker.find(0); - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; - if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) || - fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight))) - return true; - } + if (sps) + for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (!sp.marker.collapsed) continue; + var found = sp.marker.find(0); + var fromCmp = + cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); + var toCmp = + cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); + if ((fromCmp >= 0 && toCmp <= 0) || (fromCmp <= 0 && toCmp >= 0)) + continue; + if ( + (fromCmp <= 0 && + (cmp(found.to, from) > 0 || + (sp.marker.inclusiveRight && marker.inclusiveLeft))) || + (fromCmp >= 0 && + (cmp(found.from, to) < 0 || + (sp.marker.inclusiveLeft && marker.inclusiveRight))) + ) + return true; + } } // A visual line is a line as drawn on the screen. Folding, for @@ -6526,7 +8560,7 @@ // given line is part of (usually that is the line itself). function visualLine(line) { var merged; - while (merged = collapsedSpanAtStart(line)) + while ((merged = collapsedSpanAtStart(line))) line = merged.find(-1, true).line; return line; } @@ -6535,7 +8569,7 @@ // started by the argument, or undefined if there are no such lines. function visualLineContinued(line) { var merged, lines; - while (merged = collapsedSpanAtEnd(line)) { + while ((merged = collapsedSpanAtEnd(line))) { line = merged.find(1, true).line; (lines || (lines = [])).push(line); } @@ -6545,7 +8579,8 @@ // Get the line number of the start of the visual line that the // given line number is part of. function visualLineNo(doc, lineN) { - var line = getLine(doc, lineN), vis = visualLine(line); + var line = getLine(doc, lineN), + vis = visualLine(line); if (line == vis) return lineN; return lineNo(vis); } @@ -6553,9 +8588,10 @@ // the given line. function visualLineEndNo(doc, lineN) { if (lineN > doc.lastLine()) return lineN; - var line = getLine(doc, lineN), merged; + var line = getLine(doc, lineN), + merged; if (!lineIsHidden(doc, line)) return lineN; - while (merged = collapsedSpanAtEnd(line)) + while ((merged = collapsedSpanAtEnd(line))) line = merged.find(1, true).line; return lineNo(line) + 1; } @@ -6565,28 +8601,41 @@ // they are entirely covered by collapsed, non-widget span. function lineIsHidden(doc, line) { var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) continue; - if (sp.from == null) return true; - if (sp.marker.widgetNode) continue; - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - return true; - } + if (sps) + for (var sp, i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (!sp.marker.collapsed) continue; + if (sp.from == null) return true; + if (sp.marker.widgetNode) continue; + if ( + sp.from == 0 && + sp.marker.inclusiveLeft && + lineIsHiddenInner(doc, line, sp) + ) + return true; + } } function lineIsHiddenInner(doc, line, span) { if (span.to == null) { var end = span.marker.find(1, true); - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); + return lineIsHiddenInner( + doc, + end.line, + getMarkedSpanFor(end.line.markedSpans, span.marker) + ); } - if (span.marker.inclusiveRight && span.to == line.text.length) - return true; + if (span.marker.inclusiveRight && span.to == line.text.length) return true; for (var sp, i = 0; i < line.markedSpans.length; ++i) { sp = line.markedSpans[i]; - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && - (sp.to == null || sp.to != span.from) && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) return true; + if ( + sp.marker.collapsed && + !sp.marker.widgetNode && + sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp) + ) + return true; } } @@ -6594,41 +8643,52 @@ // Line widgets are block elements displayed above or below a line. - var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { - if (options) for (var opt in options) if (options.hasOwnProperty(opt)) - this[opt] = options[opt]; + var LineWidget = (CodeMirror.LineWidget = function (doc, node, options) { + if (options) + for (var opt in options) + if (options.hasOwnProperty(opt)) this[opt] = options[opt]; this.doc = doc; this.node = node; - }; + }); eventMixin(LineWidget); function adjustScrollWhenAboveVisible(cm, line, diff) { - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + if ( + heightAtLine(line) < + ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop) + ) addToScrollPos(cm, null, diff); } - LineWidget.prototype.clear = function() { - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + LineWidget.prototype.clear = function () { + var cm = this.doc.cm, + ws = this.line.widgets, + line = this.line, + no = lineNo(line); if (no == null || !ws) return; for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); if (!ws.length) line.widgets = null; var height = widgetHeight(this); updateLineHeight(line, Math.max(0, line.height - height)); - if (cm) runInOp(cm, function() { - adjustScrollWhenAboveVisible(cm, line, -height); - regLineChange(cm, no, "widget"); - }); + if (cm) + runInOp(cm, function () { + adjustScrollWhenAboveVisible(cm, line, -height); + regLineChange(cm, no, "widget"); + }); }; - LineWidget.prototype.changed = function() { - var oldH = this.height, cm = this.doc.cm, line = this.line; + LineWidget.prototype.changed = function () { + var oldH = this.height, + cm = this.doc.cm, + line = this.line; this.height = null; var diff = widgetHeight(this) - oldH; if (!diff) return; updateLineHeight(line, line.height + diff); - if (cm) runInOp(cm, function() { - cm.curOp.forceUpdate = true; - adjustScrollWhenAboveVisible(cm, line, diff); - }); + if (cm) + runInOp(cm, function () { + cm.curOp.forceUpdate = true; + adjustScrollWhenAboveVisible(cm, line, diff); + }); }; function widgetHeight(widget) { @@ -6638,22 +8698,31 @@ if (!contains(document.body, widget.node)) { var parentStyle = "position: relative;"; if (widget.coverGutter) - parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; + parentStyle += + "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; if (widget.noHScroll) parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); + removeChildrenAndAdd( + cm.display.measure, + elt("div", [widget.node], null, parentStyle) + ); } - return widget.height = widget.node.offsetHeight; + return (widget.height = widget.node.offsetHeight); } function addLineWidget(doc, handle, node, options) { var widget = new LineWidget(doc, node, options); var cm = doc.cm; if (cm && widget.noHScroll) cm.display.alignWidgets = true; - changeLine(doc, handle, "widget", function(line) { + changeLine(doc, handle, "widget", function (line) { var widgets = line.widgets || (line.widgets = []); if (widget.insertAt == null) widgets.push(widget); - else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); + else + widgets.splice( + Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), + 0, + widget + ); widget.line = line; if (cm && !lineIsHidden(doc, line)) { var aboveVisible = heightAtLine(line) < doc.scrollTop; @@ -6670,13 +8739,15 @@ // Line objects. These hold state related to a line, including // highlighting info (the styles array). - var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { + var Line = (CodeMirror.Line = function (text, markedSpans, estimateHeight) { this.text = text; attachMarkedSpans(this, markedSpans); this.height = estimateHeight ? estimateHeight(this) : 1; - }; + }); eventMixin(Line); - Line.prototype.lineNo = function() { return lineNo(this); }; + Line.prototype.lineNo = function () { + return lineNo(this); + }; // Change the content (text, markers) of a line. Automatically // invalidates cached information and tries to re-estimate the @@ -6699,16 +8770,20 @@ } function extractLineClasses(type, output) { - if (type) for (;;) { - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); - if (!lineClass) break; - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); - var prop = lineClass[1] ? "bgClass" : "textClass"; - if (output[prop] == null) - output[prop] = lineClass[2]; - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) - output[prop] += " " + lineClass[2]; - } + if (type) + for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); + if (!lineClass) break; + type = + type.slice(0, lineClass.index) + + type.slice(lineClass.index + lineClass[0].length); + var prop = lineClass[1] ? "bgClass" : "textClass"; + if (output[prop] == null) output[prop] = lineClass[2]; + else if ( + !new RegExp("(?:^|s)" + lineClass[2] + "(?:$|s)").test(output[prop]) + ) + output[prop] += " " + lineClass[2]; + } return type; } @@ -6731,16 +8806,23 @@ // Utility for getTokenAt and getLineTokens function takeToken(cm, pos, precise, asArray) { function getObj(copy) { - return {start: stream.start, end: stream.pos, - string: stream.current(), - type: style || null, - state: copy ? copyState(doc.mode, state) : state}; + return { + start: stream.start, + end: stream.pos, + string: stream.current(), + type: style || null, + state: copy ? copyState(doc.mode, state) : state, + }; } - var doc = cm.doc, mode = doc.mode, style; + var doc = cm.doc, + mode = doc.mode, + style; pos = clipPos(doc, pos); - var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); - var stream = new StringStream(line.text, cm.options.tabSize), tokens; + var line = getLine(doc, pos.line), + state = getStateBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize), + tokens; if (asArray) tokens = []; while ((asArray || stream.pos < pos.ch) && !stream.eol()) { stream.start = stream.pos; @@ -6754,8 +8836,10 @@ function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { var flattenSpans = mode.flattenSpans; if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; - var curStart = 0, curStyle = null; - var stream = new StringStream(text, cm.options.tabSize), style; + var curStart = 0, + curStyle = null; + var stream = new StringStream(text, cm.options.tabSize), + style; var inner = cm.options.addModeClass && [null]; if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); while (!stream.eol()) { @@ -6765,7 +8849,10 @@ stream.pos = text.length; style = null; } else { - style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); + style = extractLineClasses( + readToken(mode, stream, state, inner), + lineClasses + ); } if (inner) { var mName = inner[0].name; @@ -6795,45 +8882,72 @@ function highlightLine(cm, line, state, forceToEnd) { // A styles array always starts with a number identifying the // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen], lineClasses = {}; + var st = [cm.state.modeGen], + lineClasses = {}; // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, state, function(end, style) { - st.push(end, style); - }, lineClasses, forceToEnd); + runMode( + cm, + line.text, + cm.doc.mode, + state, + function (end, style) { + st.push(end, style); + }, + lineClasses, + forceToEnd + ); // Run overlays, adjust style array. for (var o = 0; o < cm.state.overlays.length; ++o) { - var overlay = cm.state.overlays[o], i = 1, at = 0; - runMode(cm, line.text, overlay.mode, true, function(end, style) { - var start = i; - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i]; - if (i_end > end) - st.splice(i, 1, end, st[i+1], i_end); - i += 2; - at = Math.min(end, i_end); - } - if (!style) return; - if (overlay.opaque) { - st.splice(start, i - start, end, "cm-overlay " + style); - i = start + 2; - } else { - for (; start < i; start += 2) { - var cur = st[start+1]; - st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style; + var overlay = cm.state.overlays[o], + i = 1, + at = 0; + runMode( + cm, + line.text, + overlay.mode, + true, + function (end, style) { + var start = i; + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i]; + if (i_end > end) st.splice(i, 1, end, st[i + 1], i_end); + i += 2; + at = Math.min(end, i_end); } - } - }, lineClasses); + if (!style) return; + if (overlay.opaque) { + st.splice(start, i - start, end, "cm-overlay " + style); + i = start + 2; + } else { + for (; start < i; start += 2) { + var cur = st[start + 1]; + st[start + 1] = (cur ? cur + " " : "") + "cm-overlay " + style; + } + } + }, + lineClasses + ); } - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; + return { + styles: st, + classes: + lineClasses.bgClass || lineClasses.textClass ? lineClasses : null, + }; } function getLineStyles(cm, line, updateFrontier) { if (!line.styles || line.styles[0] != cm.state.modeGen) { var state = getStateBefore(cm, lineNo(line)); - var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); + var result = highlightLine( + cm, + line, + line.text.length > cm.options.maxHighlightLength + ? copyState(cm.doc.mode, state) + : state + ); line.stateAfter = state; line.styles = result.styles; if (result.classes) line.styleClasses = result.classes; @@ -6860,12 +8974,14 @@ // Convert a style as returned by a mode (either null, or a string // containing one or more styles) to a CSS style. This is cached, // and also looks for line-wide styles. - var styleToClassCache = {}, styleToClassCacheWithMode = {}; + var styleToClassCache = {}, + styleToClassCacheWithMode = {}; function interpretTokenStyle(style, options) { if (!style || /^\s*$/.test(style)) return null; - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; - return cache[style] || - (cache[style] = style.replace(/\S+/g, "cm-$&")); + var cache = options.addModeClass + ? styleToClassCacheWithMode + : styleToClassCache; + return cache[style] || (cache[style] = style.replace(/\S+/g, "cm-$&")); } // Render the DOM representation of the text of a line. Also builds @@ -6877,15 +8993,26 @@ // The padding-right forces the element to have a 'border', which // is needed on Webkit to be able to get line-level bounding // rectangles for it (in measureChar). - var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); - var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, - col: 0, pos: 0, cm: cm, - splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; + var content = elt( + "span", + null, + null, + webkit ? "padding-right: .1px" : null + ); + var builder = { + pre: elt("pre", [content], "CodeMirror-line"), + content: content, + col: 0, + pos: 0, + cm: cm, + splitSpaces: (ie || webkit) && cm.getOption("lineWrapping"), + }; lineView.measure = {}; // Iterate over the logical lines that make up this visual line. for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { - var line = i ? lineView.rest[i - 1] : lineView.line, order; + var line = i ? lineView.rest[i - 1] : lineView.line, + order; builder.pos = 0; builder.addToken = buildToken; // Optionally wire in some hacks into the token-rendering @@ -6893,25 +9020,42 @@ if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) builder.addToken = buildTokenBadBidi(builder.addToken, order); builder.map = []; - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); + var allowFrontierUpdate = + lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent( + line, + builder, + getLineStyles(cm, line, allowFrontierUpdate) + ); if (line.styleClasses) { if (line.styleClasses.bgClass) - builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); + builder.bgClass = joinClasses( + line.styleClasses.bgClass, + builder.bgClass || "" + ); if (line.styleClasses.textClass) - builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); + builder.textClass = joinClasses( + line.styleClasses.textClass, + builder.textClass || "" + ); } // Ensure at least a single node is present, for measuring. if (builder.map.length == 0) - builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); + builder.map.push( + 0, + 0, + builder.content.appendChild(zeroWidthElement(cm.display.measure)) + ); // Store the map and a cache object for the current logical line if (i == 0) { lineView.measure.map = builder.map; lineView.measure.cache = {}; } else { - (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map); + (lineView.measure.maps || (lineView.measure.maps = [])).push( + builder.map + ); (lineView.measure.caches || (lineView.measure.caches = [])).push({}); } } @@ -6922,7 +9066,10 @@ signal(cm, "renderLine", cm, lineView.line, builder.pre); if (builder.pre.className) - builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); + builder.textClass = joinClasses( + builder.pre.className, + builder.textClass || "" + ); return builder; } @@ -6938,8 +9085,11 @@ // the line map. Takes care to render special characters separately. function buildToken(builder, text, style, startStyle, endStyle, title, css) { if (!text) return; - var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text; - var special = builder.cm.state.specialChars, mustWrap = false; + var displayText = builder.splitSpaces + ? text.replace(/ {3,}/g, splitSpaces) + : text; + var special = builder.cm.state.specialChars, + mustWrap = false; if (!special.test(text)) { builder.col += text.length; var content = document.createTextNode(displayText); @@ -6947,13 +9097,16 @@ if (ie && ie_version < 9) mustWrap = true; builder.pos += text.length; } else { - var content = document.createDocumentFragment(), pos = 0; + var content = document.createDocumentFragment(), + pos = 0; while (true) { special.lastIndex = pos; var m = special.exec(text); var skipped = m ? m.index - pos : text.length - pos; if (skipped) { - var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); + var txt = document.createTextNode( + displayText.slice(pos, pos + skipped) + ); if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); else content.appendChild(txt); builder.map.push(builder.pos, builder.pos + skipped, txt); @@ -6963,13 +9116,18 @@ if (!m) break; pos += skipped + 1; if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; - var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + var tabSize = builder.cm.options.tabSize, + tabWidth = tabSize - (builder.col % tabSize); + var txt = content.appendChild( + elt("span", spaceStr(tabWidth), "cm-tab") + ); txt.setAttribute("role", "presentation"); txt.setAttribute("cm-text", "\t"); builder.col += tabWidth; } else if (m[0] == "\r" || m[0] == "\n") { - var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + var txt = content.appendChild( + elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar") + ); txt.setAttribute("cm-text", m[0]); builder.col += 1; } else { @@ -7004,17 +9162,27 @@ // Work around nonsense dimensions being reported for stretches of // right-to-left text. function buildTokenBadBidi(inner, order) { - return function(builder, text, style, startStyle, endStyle, title, css) { + return function (builder, text, style, startStyle, endStyle, title, css) { style = style ? style + " cm-force-border" : "cm-force-border"; - var start = builder.pos, end = start + text.length; + var start = builder.pos, + end = start + text.length; for (;;) { // Find the part that overlaps with the start of this text for (var i = 0; i < order.length; i++) { var part = order[i]; if (part.to > start && part.from <= start) break; } - if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); + if (part.to >= end) + return inner(builder, text, style, startStyle, endStyle, title, css); + inner( + builder, + text.slice(0, part.to - start), + style, + startStyle, + null, + title, + css + ); startStyle = null; text = text.slice(part.to - start); start = part.to; @@ -7040,48 +9208,82 @@ // Outputs a number of spans to make up a line, taking highlighting // and marked text into account. function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0; + var spans = line.markedSpans, + allText = line.text, + at = 0; if (!spans) { - for (var i = 1; i < styles.length; i+=2) - builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options)); + for (var i = 1; i < styles.length; i += 2) + builder.addToken( + builder, + allText.slice(at, (at = styles[i])), + interpretTokenStyle(styles[i + 1], builder.cm.options) + ); return; } - var len = allText.length, pos = 0, i = 1, text = "", style, css; - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; + var len = allText.length, + pos = 0, + i = 1, + text = "", + style, + css; + var nextChange = 0, + spanStyle, + spanEndStyle, + spanStartStyle, + title, + collapsed; for (;;) { - if (nextChange == pos) { // Update current marker set + if (nextChange == pos) { + // Update current marker set spanStyle = spanEndStyle = spanStartStyle = title = css = ""; - collapsed = null; nextChange = Infinity; + collapsed = null; + nextChange = Infinity; var foundBookmarks = []; for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker; + var sp = spans[j], + m = sp.marker; if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { foundBookmarks.push(m); - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + } else if ( + sp.from <= pos && + (sp.to == null || + sp.to > pos || + (m.collapsed && sp.to == pos && sp.from == pos)) + ) { if (sp.to != null && sp.to != pos && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; } if (m.className) spanStyle += " " + m.className; if (m.css) css = m.css; - if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; - if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle; + if (m.startStyle && sp.from == pos) + spanStartStyle += " " + m.startStyle; + if (m.endStyle && sp.to == nextChange) + spanEndStyle += " " + m.endStyle; if (m.title && !title) title = m.title; - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + if ( + m.collapsed && + (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0) + ) collapsed = sp; } else if (sp.from > pos && nextChange > sp.from) { nextChange = sp.from; } } if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, - collapsed.marker, collapsed.from == null); + buildCollapsedSpan( + builder, + (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, + collapsed.from == null + ); if (collapsed.to == null) return; if (collapsed.to == pos) collapsed = false; } - if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j) - buildCollapsedSpan(builder, 0, foundBookmarks[j]); + if (!collapsed && foundBookmarks.length) + for (var j = 0; j < foundBookmarks.length; ++j) + buildCollapsedSpan(builder, 0, foundBookmarks[j]); } if (pos >= len) break; @@ -7091,14 +9293,25 @@ var end = pos + text.length; if (!collapsed) { var tokenText = end > upto ? text.slice(0, upto - pos) : text; - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); + builder.addToken( + builder, + tokenText, + style ? style + spanStyle : spanStyle, + spanStartStyle, + pos + tokenText.length == nextChange ? spanEndStyle : "", + title, + css + ); + } + if (end >= upto) { + text = text.slice(upto - pos); + pos = upto; + break; } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} pos = end; spanStartStyle = ""; } - text = allText.slice(at, at = styles[i++]); + text = allText.slice(at, (at = styles[i++])); style = interpretTokenStyle(styles[i++], builder.cm.options); } } @@ -7110,13 +9323,19 @@ // are treated specially, in order to make the association of line // widgets and marker elements with the text behave more intuitive. function isWholeLineUpdate(doc, change) { - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore); + return ( + change.from.ch == 0 && + change.to.ch == 0 && + lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore) + ); } // Perform a change on the document data structure. function updateDoc(doc, change, markedSpans, estimateHeight) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null;} + function spansFor(n) { + return markedSpans ? markedSpans[n] : null; + } function update(line, text, spans) { updateLine(line, text, spans, estimateHeight); signalLater(line, "change", line, change); @@ -7127,9 +9346,14 @@ return result; } - var from = change.from, to = change.to, text = change.text; - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; + var from = change.from, + to = change.to, + text = change.text; + var firstLine = getLine(doc, from.line), + lastLine = getLine(doc, to.line); + var lastText = lst(text), + lastSpans = spansFor(text.length - 1), + nlines = to.line - from.line; // Adjust the line structure if (change.full) { @@ -7144,18 +9368,42 @@ if (added.length) doc.insert(from.line, added); } else if (firstLine == lastLine) { if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); + update( + firstLine, + firstLine.text.slice(0, from.ch) + + lastText + + firstLine.text.slice(to.ch), + lastSpans + ); } else { var added = linesFor(1, text.length - 1); - added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + added.push( + new Line( + lastText + firstLine.text.slice(to.ch), + lastSpans, + estimateHeight + ) + ); + update( + firstLine, + firstLine.text.slice(0, from.ch) + text[0], + spansFor(0) + ); doc.insert(from.line + 1, added); } } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); + update( + firstLine, + firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), + spansFor(0) + ); doc.remove(from.line + 1, nlines); } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + update( + firstLine, + firstLine.text.slice(0, from.ch) + text[0], + spansFor(0) + ); update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); var added = linesFor(1, text.length - 1); if (nlines > 1) doc.remove(from.line + 1, nlines - 1); @@ -7189,9 +9437,11 @@ } LeafChunk.prototype = { - chunkSize: function() { return this.lines.length; }, + chunkSize: function () { + return this.lines.length; + }, // Remove the n lines at offset 'at'. - removeInner: function(at, n) { + removeInner: function (at, n) { for (var i = at, e = at + n; i < e; ++i) { var line = this.lines[i]; this.height -= line.height; @@ -7201,29 +9451,33 @@ this.lines.splice(at, n); }, // Helper used to collapse a small branch into a single leaf. - collapse: function(lines) { + collapse: function (lines) { lines.push.apply(lines, this.lines); }, // Insert the given array of lines at offset 'at', count them as // having the given height. - insertInner: function(at, lines, height) { + insertInner: function (at, lines, height) { this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + this.lines = this.lines + .slice(0, at) + .concat(lines) + .concat(this.lines.slice(at)); for (var i = 0; i < lines.length; ++i) lines[i].parent = this; }, // Used to iterate over a part of the tree. - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - if (op(this.lines[at])) return true; - } + iterN: function (at, n, op) { + for (var e = at + n; at < e; ++at) if (op(this.lines[at])) return true; + }, }; function BranchChunk(children) { this.children = children; - var size = 0, height = 0; + var size = 0, + height = 0; for (var i = 0; i < children.length; ++i) { var ch = children[i]; - size += ch.chunkSize(); height += ch.height; + size += ch.chunkSize(); + height += ch.height; ch.parent = this; } this.size = size; @@ -7232,38 +9486,49 @@ } BranchChunk.prototype = { - chunkSize: function() { return this.size; }, - removeInner: function(at, n) { + chunkSize: function () { + return this.size; + }, + removeInner: function (at, n) { this.size -= n; for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); + var child = this.children[i], + sz = child.chunkSize(); if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; + var rm = Math.min(n, sz - at), + oldHeight = child.height; child.removeInner(at, rm); this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } + if (sz == rm) { + this.children.splice(i--, 1); + child.parent = null; + } if ((n -= rm) == 0) break; at = 0; } else at -= sz; } // If the result is smaller than 25 lines, ensure that it is a // single leaf node. - if (this.size - n < 25 && - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + if ( + this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk)) + ) { var lines = []; this.collapse(lines); this.children = [new LeafChunk(lines)]; this.children[0].parent = this; } }, - collapse: function(lines) { - for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines); + collapse: function (lines) { + for (var i = 0; i < this.children.length; ++i) + this.children[i].collapse(lines); }, - insertInner: function(at, lines, height) { + insertInner: function (at, lines, height) { this.size += lines.length; this.height += height; for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); + var child = this.children[i], + sz = child.chunkSize(); if (at <= sz) { child.insertInner(at, lines, height); if (child.lines && child.lines.length > 50) { @@ -7282,13 +9547,14 @@ } }, // When a node has grown, check whether it should be split. - maybeSpill: function() { + maybeSpill: function () { if (this.children.length <= 10) return; var me = this; do { var spilled = me.children.splice(me.children.length - 5, 5); var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node + if (!me.parent) { + // Become the parent node var copy = new BranchChunk(me.children); copy.parent = me; me.children = [copy, sibling]; @@ -7303,9 +9569,10 @@ } while (me.children.length > 10); me.parent.maybeSpill(); }, - iterN: function(at, n, op) { + iterN: function (at, n, op) { for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); + var child = this.children[i], + sz = child.chunkSize(); if (at < sz) { var used = Math.min(n, sz - at); if (child.iterN(at, used, op)) return true; @@ -7313,11 +9580,11 @@ at = 0; } else at -= sz; } - } + }, }; var nextDocId = 0; - var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { + var Doc = (CodeMirror.Doc = function (text, mode, firstLine, lineSep) { if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); if (firstLine == null) firstLine = 0; @@ -7335,9 +9602,9 @@ this.lineSep = lineSep; if (typeof text == "string") text = this.splitLines(text); - updateDoc(this, {from: start, to: start, text: text}); + updateDoc(this, { from: start, to: start, text: text }); setSelection(this, simpleSelection(start), sel_dontScroll); - }; + }); Doc.prototype = createObj(BranchChunk.prototype, { constructor: Doc, @@ -7345,102 +9612,160 @@ // argument, it calls that for each line in the document. With // three, it iterates over the range given by the first two (with // the second being non-inclusive). - iter: function(from, to, op) { + iter: function (from, to, op) { if (op) this.iterN(from - this.first, to - from, op); else this.iterN(this.first, this.first + this.size, from); }, // Non-public interface for adding and removing lines. - insert: function(at, lines) { + insert: function (at, lines) { var height = 0; for (var i = 0; i < lines.length; ++i) height += lines[i].height; this.insertInner(at - this.first, lines, height); }, - remove: function(at, n) { this.removeInner(at - this.first, n); }, + remove: function (at, n) { + this.removeInner(at - this.first, n); + }, // From here, the methods are part of the public interface. Most // are also available from CodeMirror (editor) instances. - getValue: function(lineSep) { + getValue: function (lineSep) { var lines = getLines(this, this.first, this.first + this.size); if (lineSep === false) return lines; return lines.join(lineSep || this.lineSeparator()); }, - setValue: docMethodOp(function(code) { - var top = Pos(this.first, 0), last = this.first + this.size - 1; - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: this.splitLines(code), origin: "setValue", full: true}, true); + setValue: docMethodOp(function (code) { + var top = Pos(this.first, 0), + last = this.first + this.size - 1; + makeChange( + this, + { + from: top, + to: Pos(last, getLine(this, last).text.length), + text: this.splitLines(code), + origin: "setValue", + full: true, + }, + true + ); setSelection(this, simpleSelection(top)); }), - replaceRange: function(code, from, to, origin) { + replaceRange: function (code, from, to, origin) { from = clipPos(this, from); to = to ? clipPos(this, to) : from; replaceRange(this, code, from, to, origin); }, - getRange: function(from, to, lineSep) { + getRange: function (from, to, lineSep) { var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); if (lineSep === false) return lines; return lines.join(lineSep || this.lineSeparator()); }, - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, + getLine: function (line) { + var l = this.getLineHandle(line); + return l && l.text; + }, - getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, - getLineNumber: function(line) {return lineNo(line);}, + getLineHandle: function (line) { + if (isLine(this, line)) return getLine(this, line); + }, + getLineNumber: function (line) { + return lineNo(line); + }, - getLineHandleVisualStart: function(line) { + getLineHandleVisualStart: function (line) { if (typeof line == "number") line = getLine(this, line); return visualLine(line); }, - lineCount: function() {return this.size;}, - firstLine: function() {return this.first;}, - lastLine: function() {return this.first + this.size - 1;}, + lineCount: function () { + return this.size; + }, + firstLine: function () { + return this.first; + }, + lastLine: function () { + return this.first + this.size - 1; + }, - clipPos: function(pos) {return clipPos(this, pos);}, + clipPos: function (pos) { + return clipPos(this, pos); + }, - getCursor: function(start) { - var range = this.sel.primary(), pos; + getCursor: function (start) { + var range = this.sel.primary(), + pos; if (start == null || start == "head") pos = range.head; else if (start == "anchor") pos = range.anchor; - else if (start == "end" || start == "to" || start === false) pos = range.to(); + else if (start == "end" || start == "to" || start === false) + pos = range.to(); else pos = range.from(); return pos; }, - listSelections: function() { return this.sel.ranges; }, - somethingSelected: function() {return this.sel.somethingSelected();}, + listSelections: function () { + return this.sel.ranges; + }, + somethingSelected: function () { + return this.sel.somethingSelected(); + }, - setCursor: docMethodOp(function(line, ch, options) { - setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); + setCursor: docMethodOp(function (line, ch, options) { + setSimpleSelection( + this, + clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), + null, + options + ); }), - setSelection: docMethodOp(function(anchor, head, options) { - setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); + setSelection: docMethodOp(function (anchor, head, options) { + setSimpleSelection( + this, + clipPos(this, anchor), + clipPos(this, head || anchor), + options + ); }), - extendSelection: docMethodOp(function(head, other, options) { - extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); + extendSelection: docMethodOp(function (head, other, options) { + extendSelection( + this, + clipPos(this, head), + other && clipPos(this, other), + options + ); }), - extendSelections: docMethodOp(function(heads, options) { + extendSelections: docMethodOp(function (heads, options) { extendSelections(this, clipPosArray(this, heads, options)); }), - extendSelectionsBy: docMethodOp(function(f, options) { + extendSelectionsBy: docMethodOp(function (f, options) { extendSelections(this, map(this.sel.ranges, f), options); }), - setSelections: docMethodOp(function(ranges, primary, options) { + setSelections: docMethodOp(function (ranges, primary, options) { if (!ranges.length) return; for (var i = 0, out = []; i < ranges.length; i++) - out[i] = new Range(clipPos(this, ranges[i].anchor), - clipPos(this, ranges[i].head)); - if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex); + out[i] = new Range( + clipPos(this, ranges[i].anchor), + clipPos(this, ranges[i].head) + ); + if (primary == null) + primary = Math.min(ranges.length - 1, this.sel.primIndex); setSelection(this, normalizeSelection(out, primary), options); }), - addSelection: docMethodOp(function(anchor, head, options) { + addSelection: docMethodOp(function (anchor, head, options) { var ranges = this.sel.ranges.slice(0); - ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); - setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); + ranges.push( + new Range(clipPos(this, anchor), clipPos(this, head || anchor)) + ); + setSelection( + this, + normalizeSelection(ranges, ranges.length - 1), + options + ); }), - getSelection: function(lineSep) { - var ranges = this.sel.ranges, lines; + getSelection: function (lineSep) { + var ranges = this.sel.ranges, + lines; for (var i = 0; i < ranges.length; i++) { var sel = getBetween(this, ranges[i].from(), ranges[i].to()); lines = lines ? lines.concat(sel) : sel; @@ -7448,8 +9773,9 @@ if (lineSep === false) return lines; else return lines.join(lineSep || this.lineSeparator()); }, - getSelections: function(lineSep) { - var parts = [], ranges = this.sel.ranges; + getSelections: function (lineSep) { + var parts = [], + ranges = this.sel.ranges; for (var i = 0; i < ranges.length; i++) { var sel = getBetween(this, ranges[i].from(), ranges[i].to()); if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); @@ -7457,150 +9783,232 @@ } return parts; }, - replaceSelection: function(code, collapse, origin) { + replaceSelection: function (code, collapse, origin) { var dup = []; - for (var i = 0; i < this.sel.ranges.length; i++) - dup[i] = code; + for (var i = 0; i < this.sel.ranges.length; i++) dup[i] = code; this.replaceSelections(dup, collapse, origin || "+input"); }, - replaceSelections: docMethodOp(function(code, collapse, origin) { - var changes = [], sel = this.sel; + replaceSelections: docMethodOp(function (code, collapse, origin) { + var changes = [], + sel = this.sel; for (var i = 0; i < sel.ranges.length; i++) { var range = sel.ranges[i]; - changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; + changes[i] = { + from: range.from(), + to: range.to(), + text: this.splitLines(code[i]), + origin: origin, + }; } - var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); + var newSel = + collapse && + collapse != "end" && + computeReplacedSel(this, changes, collapse); for (var i = changes.length - 1; i >= 0; i--) makeChange(this, changes[i]); if (newSel) setSelectionReplaceHistory(this, newSel); else if (this.cm) ensureCursorVisible(this.cm); }), - undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), - redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), - undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), - redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), + undo: docMethodOp(function () { + makeChangeFromHistory(this, "undo"); + }), + redo: docMethodOp(function () { + makeChangeFromHistory(this, "redo"); + }), + undoSelection: docMethodOp(function () { + makeChangeFromHistory(this, "undo", true); + }), + redoSelection: docMethodOp(function () { + makeChangeFromHistory(this, "redo", true); + }), - setExtending: function(val) {this.extend = val;}, - getExtending: function() {return this.extend;}, + setExtending: function (val) { + this.extend = val; + }, + getExtending: function () { + return this.extend; + }, - historySize: function() { - var hist = this.history, done = 0, undone = 0; - for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done; - for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone; - return {undo: done, redo: undone}; + historySize: function () { + var hist = this.history, + done = 0, + undone = 0; + for (var i = 0; i < hist.done.length; i++) + if (!hist.done[i].ranges) ++done; + for (var i = 0; i < hist.undone.length; i++) + if (!hist.undone[i].ranges) ++undone; + return { undo: done, redo: undone }; + }, + clearHistory: function () { + this.history = new History(this.history.maxGeneration); }, - clearHistory: function() {this.history = new History(this.history.maxGeneration);}, - markClean: function() { + markClean: function () { this.cleanGeneration = this.changeGeneration(true); }, - changeGeneration: function(forceSplit) { + changeGeneration: function (forceSplit) { if (forceSplit) - this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; + this.history.lastOp = + this.history.lastSelOp = + this.history.lastOrigin = + null; return this.history.generation; }, isClean: function (gen) { return this.history.generation == (gen || this.cleanGeneration); }, - getHistory: function() { - return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)}; + getHistory: function () { + return { + done: copyHistoryArray(this.history.done), + undone: copyHistoryArray(this.history.undone), + }; }, - setHistory: function(histData) { - var hist = this.history = new History(this.history.maxGeneration); + setHistory: function (histData) { + var hist = (this.history = new History(this.history.maxGeneration)); hist.done = copyHistoryArray(histData.done.slice(0), null, true); hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); }, - addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - if (!line[prop]) line[prop] = cls; - else if (classTest(cls).test(line[prop])) return false; - else line[prop] += " " + cls; - return true; - }); + addLineClass: docMethodOp(function (handle, where, cls) { + return changeLine( + this, + handle, + where == "gutter" ? "gutter" : "class", + function (line) { + var prop = + where == "text" + ? "textClass" + : where == "background" + ? "bgClass" + : where == "gutter" + ? "gutterClass" + : "wrapClass"; + if (!line[prop]) line[prop] = cls; + else if (classTest(cls).test(line[prop])) return false; + else line[prop] += " " + cls; + return true; + } + ); }), - removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - var cur = line[prop]; - if (!cur) return false; - else if (cls == null) line[prop] = null; - else { - var found = cur.match(classTest(cls)); - if (!found) return false; - var end = found.index + found[0].length; - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; + removeLineClass: docMethodOp(function (handle, where, cls) { + return changeLine( + this, + handle, + where == "gutter" ? "gutter" : "class", + function (line) { + var prop = + where == "text" + ? "textClass" + : where == "background" + ? "bgClass" + : where == "gutter" + ? "gutterClass" + : "wrapClass"; + var cur = line[prop]; + if (!cur) return false; + else if (cls == null) line[prop] = null; + else { + var found = cur.match(classTest(cls)); + if (!found) return false; + var end = found.index + found[0].length; + line[prop] = + cur.slice(0, found.index) + + (!found.index || end == cur.length ? "" : " ") + + cur.slice(end) || null; + } + return true; } - return true; - }); + ); }), - addLineWidget: docMethodOp(function(handle, node, options) { + addLineWidget: docMethodOp(function (handle, node, options) { return addLineWidget(this, handle, node, options); }), - removeLineWidget: function(widget) { widget.clear(); }, + removeLineWidget: function (widget) { + widget.clear(); + }, - markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, "range"); + markText: function (from, to, options) { + return markText( + this, + clipPos(this, from), + clipPos(this, to), + options, + "range" + ); }, - setBookmark: function(pos, options) { - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), - insertLeft: options && options.insertLeft, - clearWhenEmpty: false, shared: options && options.shared, - handleMouseEvents: options && options.handleMouseEvents}; + setBookmark: function (pos, options) { + var realOpts = { + replacedWith: + options && (options.nodeType == null ? options.widget : options), + insertLeft: options && options.insertLeft, + clearWhenEmpty: false, + shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents, + }; pos = clipPos(this, pos); return markText(this, pos, pos, realOpts, "bookmark"); }, - findMarksAt: function(pos) { + findMarksAt: function (pos) { pos = clipPos(this, pos); - var markers = [], spans = getLine(this, pos.line).markedSpans; - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - markers.push(span.marker.parent || span.marker); - } + var markers = [], + spans = getLine(this, pos.line).markedSpans; + if (spans) + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ( + (span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch) + ) + markers.push(span.marker.parent || span.marker); + } return markers; }, - findMarks: function(from, to, filter) { - from = clipPos(this, from); to = clipPos(this, to); - var found = [], lineNo = from.line; - this.iter(from.line, to.line + 1, function(line) { + findMarks: function (from, to, filter) { + from = clipPos(this, from); + to = clipPos(this, to); + var found = [], + lineNo = from.line; + this.iter(from.line, to.line + 1, function (line) { var spans = line.markedSpans; - if (spans) for (var i = 0; i < spans.length; i++) { - var span = spans[i]; - if (!(lineNo == from.line && from.ch > span.to || - span.from == null && lineNo != from.line|| - lineNo == to.line && span.from > to.ch) && - (!filter || filter(span.marker))) - found.push(span.marker.parent || span.marker); - } + if (spans) + for (var i = 0; i < spans.length; i++) { + var span = spans[i]; + if ( + !( + (lineNo == from.line && from.ch > span.to) || + (span.from == null && lineNo != from.line) || + (lineNo == to.line && span.from > to.ch) + ) && + (!filter || filter(span.marker)) + ) + found.push(span.marker.parent || span.marker); + } ++lineNo; }); return found; }, - getAllMarks: function() { + getAllMarks: function () { var markers = []; - this.iter(function(line) { + this.iter(function (line) { var sps = line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) - if (sps[i].from != null) markers.push(sps[i].marker); + if (sps) + for (var i = 0; i < sps.length; ++i) + if (sps[i].from != null) markers.push(sps[i].marker); }); return markers; }, - posFromIndex: function(off) { - var ch, lineNo = this.first; - this.iter(function(line) { + posFromIndex: function (off) { + var ch, + lineNo = this.first; + this.iter(function (line) { var sz = line.text.length + 1; - if (sz > off) { ch = off; return true; } + if (sz > off) { + ch = off; + return true; + } off -= sz; ++lineNo; }); @@ -7616,10 +10024,15 @@ return index; }, - copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), - this.modeOption, this.first, this.lineSep); - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; + copy: function (copyHistory) { + var doc = new Doc( + getLines(this, this.first, this.first + this.size), + this.modeOption, + this.first, + this.lineSep + ); + doc.scrollTop = this.scrollTop; + doc.scrollLeft = this.scrollLeft; doc.sel = this.sel; doc.extend = false; if (copyHistory) { @@ -7629,47 +10042,73 @@ return doc; }, - linkedDoc: function(options) { + linkedDoc: function (options) { if (!options) options = {}; - var from = this.first, to = this.first + this.size; + var from = this.first, + to = this.first + this.size; if (options.from != null && options.from > from) from = options.from; if (options.to != null && options.to < to) to = options.to; - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); + var copy = new Doc( + getLines(this, from, to), + options.mode || this.modeOption, + from, + this.lineSep + ); if (options.sharedHist) copy.history = this.history; - (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; + (this.linked || (this.linked = [])).push({ + doc: copy, + sharedHist: options.sharedHist, + }); + copy.linked = [ + { doc: this, isParent: true, sharedHist: options.sharedHist }, + ]; copySharedMarkers(copy, findSharedMarkers(this)); return copy; }, - unlinkDoc: function(other) { + unlinkDoc: function (other) { if (other instanceof CodeMirror) other = other.doc; - if (this.linked) for (var i = 0; i < this.linked.length; ++i) { - var link = this.linked[i]; - if (link.doc != other) continue; - this.linked.splice(i, 1); - other.unlinkDoc(this); - detachSharedMarkers(findSharedMarkers(this)); - break; - } + if (this.linked) + for (var i = 0; i < this.linked.length; ++i) { + var link = this.linked[i]; + if (link.doc != other) continue; + this.linked.splice(i, 1); + other.unlinkDoc(this); + detachSharedMarkers(findSharedMarkers(this)); + break; + } // If the histories were shared, split them again if (other.history == this.history) { var splitIds = [other.id]; - linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); + linkedDocs( + other, + function (doc) { + splitIds.push(doc.id); + }, + true + ); other.history = new History(null); other.history.done = copyHistoryArray(this.history.done, splitIds); other.history.undone = copyHistoryArray(this.history.undone, splitIds); } }, - iterLinkedDocs: function(f) {linkedDocs(this, f);}, + iterLinkedDocs: function (f) { + linkedDocs(this, f); + }, - getMode: function() {return this.mode;}, - getEditor: function() {return this.cm;}, + getMode: function () { + return this.mode; + }, + getEditor: function () { + return this.cm; + }, - splitLines: function(str) { + splitLines: function (str) { if (this.lineSep) return str.split(this.lineSep); return splitLinesAuto(str); }, - lineSeparator: function() { return this.lineSep || "\n"; } + lineSeparator: function () { + return this.lineSep || "\n"; + }, }); // Public alias. @@ -7677,24 +10116,28 @@ // Set up methods on CodeMirror's prototype to redirect to the editor's document. var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); - for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments);}; - })(Doc.prototype[prop]); + for (var prop in Doc.prototype) + if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + CodeMirror.prototype[prop] = (function (method) { + return function () { + return method.apply(this.doc, arguments); + }; + })(Doc.prototype[prop]); eventMixin(Doc); // Call f for all linked documents. function linkedDocs(doc, f, sharedHistOnly) { function propagate(doc, skip, sharedHist) { - if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i]; - if (rel.doc == skip) continue; - var shared = sharedHist && rel.sharedHist; - if (sharedHistOnly && !shared) continue; - f(rel.doc, shared); - propagate(rel.doc, doc, shared); - } + if (doc.linked) + for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i]; + if (rel.doc == skip) continue; + var shared = sharedHist && rel.sharedHist; + if (sharedHistOnly && !shared) continue; + f(rel.doc, shared); + propagate(rel.doc, doc, shared); + } } propagate(doc, null, true); } @@ -7716,11 +10159,18 @@ // Find the line object corresponding to the given line number. function getLine(doc, n) { n -= doc.first; - if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document."); - for (var chunk = doc; !chunk.lines;) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break; } + if (n < 0 || n >= doc.size) + throw new Error( + "There is no line " + (n + doc.first) + " in the document." + ); + for (var chunk = doc; !chunk.lines; ) { + for (var i = 0; ; ++i) { + var child = chunk.children[i], + sz = child.chunkSize(); + if (n < sz) { + chunk = child; + break; + } n -= sz; } } @@ -7730,8 +10180,9 @@ // Get the part of a document between two positions, as an array of // strings. function getBetween(doc, start, end) { - var out = [], n = start.line; - doc.iter(start.line, end.line + 1, function(line) { + var out = [], + n = start.line; + doc.iter(start.line, end.line + 1, function (line) { var text = line.text; if (n == end.line) text = text.slice(0, end.ch); if (n == start.line) text = text.slice(start.ch); @@ -7743,7 +10194,9 @@ // Get the lines between from and to, as array of strings. function getLines(doc, from, to) { var out = []; - doc.iter(from, to, function(line) { out.push(line.text); }); + doc.iter(from, to, function (line) { + out.push(line.text); + }); return out; } @@ -7758,9 +10211,10 @@ // its parent links. function lineNo(line) { if (line.parent == null) return null; - var cur = line.parent, no = indexOf(cur.lines, line); + var cur = line.parent, + no = indexOf(cur.lines, line); for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { + for (var i = 0; ; ++i) { if (chunk.children[i] == cur) break; no += chunk.children[i].chunkSize(); } @@ -7774,27 +10228,32 @@ var n = chunk.first; outer: do { for (var i = 0; i < chunk.children.length; ++i) { - var child = chunk.children[i], ch = child.height; - if (h < ch) { chunk = child; continue outer; } + var child = chunk.children[i], + ch = child.height; + if (h < ch) { + chunk = child; + continue outer; + } h -= ch; n += child.chunkSize(); } return n; } while (!chunk.lines); for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i], lh = line.height; + var line = chunk.lines[i], + lh = line.height; if (h < lh) break; h -= lh; } return n + i; } - // Find the height above the given line. function heightAtLine(lineObj) { lineObj = visualLine(lineObj); - var h = 0, chunk = lineObj.parent; + var h = 0, + chunk = lineObj.parent; for (var i = 0; i < chunk.lines.length; ++i) { var line = chunk.lines[i]; if (line == lineObj) break; @@ -7825,7 +10284,8 @@ // Arrays of change events and selections. Doing something adds an // event to done and clears undo. Undoing moves events from done // to undone, redoing moves them in the other direction. - this.done = []; this.undone = []; + this.done = []; + this.undone = []; this.undoDepth = Infinity; // Used to track when changes can be merged into a single undo // event @@ -7839,9 +10299,19 @@ // Create a history change event from an updateDoc-style change // object. function historyChangeFromChange(doc, change) { - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; + var histChange = { + from: copyPos(change.from), + to: changeEnd(change), + text: getBetween(doc, change.from, change.to), + }; attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); - linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); + linkedDocs( + doc, + function (doc) { + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); + }, + true + ); return histChange; } @@ -7863,7 +10333,10 @@ return lst(hist.done); } else if (hist.done.length && !lst(hist.done).ranges) { return lst(hist.done); - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + } else if ( + hist.done.length > 1 && + !hist.done[hist.done.length - 2].ranges + ) { hist.done.pop(); return lst(hist.done); } @@ -7875,13 +10348,19 @@ function addChangeToHistory(doc, change, selAfter, opId) { var hist = doc.history; hist.undone.length = 0; - var time = +new Date, cur; - - if ((hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || - change.origin.charAt(0) == "*")) && - (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + var time = +new Date(), + cur; + + if ( + (hist.lastOp == opId || + (hist.lastOrigin == change.origin && + change.origin && + ((change.origin.charAt(0) == "+" && + doc.cm && + hist.lastModTime > time - doc.cm.options.historyEventDelay) || + change.origin.charAt(0) == "*"))) && + (cur = lastChangeEvent(hist, hist.lastOp == opId)) + ) { // Merge this change into the last event var last = lst(cur.changes); if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { @@ -7895,10 +10374,11 @@ } else { // Can not be merged, start a new event. var before = lst(hist.done); - if (!before || !before.ranges) - pushSelectionToHistory(doc.sel, hist.done); - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation}; + if (!before || !before.ranges) pushSelectionToHistory(doc.sel, hist.done); + cur = { + changes: [historyChangeFromChange(doc, change)], + generation: hist.generation, + }; hist.done.push(cur); while (hist.done.length > hist.undoDepth) { hist.done.shift(); @@ -7916,11 +10396,14 @@ function selectionEventCanBeMerged(doc, origin, prev, sel) { var ch = origin.charAt(0); - return ch == "*" || - ch == "+" && - prev.ranges.length == sel.ranges.length && - prev.somethingSelected() == sel.somethingSelected() && - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500); + return ( + ch == "*" || + (ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date() - doc.history.lastSelTime <= + (doc.cm ? doc.cm.options.historyEventDelay : 500)) + ); } // Called whenever the selection changes, sets the new selection as @@ -7928,21 +10411,24 @@ // selection into the 'done' array when it was significantly // different (in number of selected ranges, emptiness, or time). function addSelectionToHistory(doc, sel, opId, options) { - var hist = doc.history, origin = options && options.origin; + var hist = doc.history, + origin = options && options.origin; // A new event is started when the previous origin does not match // the current, or the origins don't allow matching. Origins // starting with * are always merged, those starting with + are // merged when similar and close together in time. - if (opId == hist.lastSelOp || - (origin && hist.lastSelOrigin == origin && - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + if ( + opId == hist.lastSelOp || + (origin && + hist.lastSelOrigin == origin && + ((hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin) || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))) + ) hist.done[hist.done.length - 1] = sel; - else - pushSelectionToHistory(sel, hist.done); + else pushSelectionToHistory(sel, hist.done); - hist.lastSelTime = +new Date; + hist.lastSelTime = +new Date(); hist.lastSelOrigin = origin; hist.lastSelOp = opId; if (options && options.clearRedo !== false) @@ -7951,18 +10437,23 @@ function pushSelectionToHistory(sel, dest) { var top = lst(dest); - if (!(top && top.ranges && top.equals(sel))) - dest.push(sel); + if (!(top && top.ranges && top.equals(sel))) dest.push(sel); } // Used to store marked span information in the history. function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0; - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { - if (line.markedSpans) - (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; - ++n; - }); + var existing = change["spans_" + doc.id], + n = 0; + doc.iter( + Math.max(doc.first, from), + Math.min(doc.first + doc.size, to), + function (line) { + if (line.markedSpans) + (existing || (existing = change["spans_" + doc.id] = {}))[n] = + line.markedSpans; + ++n; + } + ); } // When un/re-doing restores text containing marked spans, those @@ -7970,8 +10461,9 @@ function removeClearedSpans(spans) { if (!spans) return null; for (var i = 0, out; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } - else if (out) out.push(spans[i]); + if (spans[i].marker.explicitlyCleared) { + if (!out) out = spans.slice(0, i); + } else if (out) out.push(spans[i]); } return !out ? spans : out.length ? out : null; } @@ -7991,20 +10483,30 @@ for (var i = 0, copy = []; i < events.length; ++i) { var event = events[i]; if (event.ranges) { - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); + copy.push( + instantiateSel ? Selection.prototype.deepCopy.call(event) : event + ); continue; } - var changes = event.changes, newChanges = []; - copy.push({changes: newChanges}); + var changes = event.changes, + newChanges = []; + copy.push({ changes: newChanges }); for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m; - newChanges.push({from: change.from, to: change.to, text: change.text}); - if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop]; - delete change[prop]; - } - } + var change = changes[j], + m; + newChanges.push({ + from: change.from, + to: change.to, + text: change.text, + }); + if (newGroup) + for (var prop in change) + if ((m = prop.match(/^spans_(\d+)$/))) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop]; + delete change[prop]; + } + } } } return copy; @@ -8030,9 +10532,13 @@ // shared position objects being unsafely updated. function rebaseHistArray(array, from, to, diff) { for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true; + var sub = array[i], + ok = true; if (sub.ranges) { - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } + if (!sub.copied) { + sub = array[i] = sub.deepCopy(); + sub.copied = true; + } for (var j = 0; j < sub.ranges.length; j++) { rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); @@ -8057,7 +10563,9 @@ } function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; + var from = change.from.line, + to = change.to.line, + diff = change.text.length - (to - from) - 1; rebaseHistArray(hist.done, from, to, diff); rebaseHistArray(hist.undone, from, to, diff); } @@ -8067,20 +10575,27 @@ // Due to the fact that we still support jurassic IE versions, some // compatibility wrappers are needed. - var e_preventDefault = CodeMirror.e_preventDefault = function(e) { + var e_preventDefault = (CodeMirror.e_preventDefault = function (e) { if (e.preventDefault) e.preventDefault(); else e.returnValue = false; - }; - var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) { + }); + var e_stopPropagation = (CodeMirror.e_stopPropagation = function (e) { if (e.stopPropagation) e.stopPropagation(); else e.cancelBubble = true; - }; + }); function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; + return e.defaultPrevented != null + ? e.defaultPrevented + : e.returnValue == false; } - var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);}; + var e_stop = (CodeMirror.e_stop = function (e) { + e_preventDefault(e); + e_stopPropagation(e); + }); - function e_target(e) {return e.target || e.srcElement;} + function e_target(e) { + return e.target || e.srcElement; + } function e_button(e) { var b = e.which; if (b == null) { @@ -8097,37 +10612,37 @@ // Lightweight event framework. on/off also work on DOM nodes, // registering native DOM handlers. - var on = CodeMirror.on = function(emitter, type, f) { - if (emitter.addEventListener) - emitter.addEventListener(type, f, false); - else if (emitter.attachEvent) - emitter.attachEvent("on" + type, f); + var on = (CodeMirror.on = function (emitter, type, f) { + if (emitter.addEventListener) emitter.addEventListener(type, f, false); + else if (emitter.attachEvent) emitter.attachEvent("on" + type, f); else { var map = emitter._handlers || (emitter._handlers = {}); var arr = map[type] || (map[type] = []); arr.push(f); } - }; + }); - var off = CodeMirror.off = function(emitter, type, f) { + var off = (CodeMirror.off = function (emitter, type, f) { if (emitter.removeEventListener) emitter.removeEventListener(type, f, false); - else if (emitter.detachEvent) - emitter.detachEvent("on" + type, f); + else if (emitter.detachEvent) emitter.detachEvent("on" + type, f); else { var arr = emitter._handlers && emitter._handlers[type]; if (!arr) return; for (var i = 0; i < arr.length; ++i) - if (arr[i] == f) { arr.splice(i, 1); break; } + if (arr[i] == f) { + arr.splice(i, 1); + break; + } } - }; + }); - var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { + var signal = (CodeMirror.signal = function (emitter, type /*, values...*/) { var arr = emitter._handlers && emitter._handlers[type]; if (!arr) return; var args = Array.prototype.slice.call(arguments, 2); for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args); - }; + }); var orphanDelayedCallbacks = null; @@ -8141,7 +10656,8 @@ function signalLater(emitter, type /*, values...*/) { var arr = emitter._handlers && emitter._handlers[type]; if (!arr) return; - var args = Array.prototype.slice.call(arguments, 2), list; + var args = Array.prototype.slice.call(arguments, 2), + list; if (operationGroup) { list = operationGroup.delayedCallbacks; } else if (orphanDelayedCallbacks) { @@ -8150,9 +10666,12 @@ list = orphanDelayedCallbacks = []; setTimeout(fireOrphanDelayed, 0); } - function bnd(f) {return function(){f.apply(null, args);};}; - for (var i = 0; i < arr.length; ++i) - list.push(bnd(arr[i])); + function bnd(f) { + return function () { + f.apply(null, args); + }; + } + for (var i = 0; i < arr.length; ++i) list.push(bnd(arr[i])); } function fireOrphanDelayed() { @@ -8166,7 +10685,12 @@ // and preventDefault-ing the event in that handler. function signalDOMEvent(cm, e, override) { if (typeof e == "string") - e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; + e = { + type: e, + preventDefault: function () { + this.defaultPrevented = true; + }, + }; signal(cm, override || e.type, cm, e); return e_defaultPrevented(e) || e.codemirrorIgnore; } @@ -8174,9 +10698,10 @@ function signalCursorActivity(cm) { var arr = cm._handlers && cm._handlers.cursorActivity; if (!arr) return; - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); - for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1) - set.push(arr[i]); + var set = + cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); + for (var i = 0; i < arr.length; ++i) + if (indexOf(set, arr[i]) == -1) set.push(arr[i]); } function hasHandler(emitter, type) { @@ -8187,8 +10712,12 @@ // Add on and off methods to a constructor's prototype, to make // registering events on such objects more convenient. function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f);}; - ctor.prototype.off = function(type, f) {off(this, type, f);}; + ctor.prototype.on = function (type, f) { + on(this, type, f); + }; + ctor.prototype.off = function (type, f) { + off(this, type, f); + }; } // MISC UTILITIES @@ -8198,38 +10727,51 @@ // Returned or thrown by various protocols to signal 'I'm not // handling this'. - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; + var Pass = (CodeMirror.Pass = { + toString: function () { + return "CodeMirror.Pass"; + }, + }); // Reused option objects for setSelection & friends - var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + var sel_dontScroll = { scroll: false }, + sel_mouse = { origin: "*mouse" }, + sel_move = { origin: "+move" }; - function Delayed() {this.id = null;} - Delayed.prototype.set = function(ms, f) { + function Delayed() { + this.id = null; + } + Delayed.prototype.set = function (ms, f) { clearTimeout(this.id); this.id = setTimeout(f, ms); }; // Counts the column offset in a string, taking tabs into account. // Used mostly to find indentation. - var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) { + var countColumn = (CodeMirror.countColumn = function ( + string, + end, + tabSize, + startIndex, + startValue + ) { if (end == null) { end = string.search(/[^\s\u00a0]/); if (end == -1) end = string.length; } - for (var i = startIndex || 0, n = startValue || 0;;) { + for (var i = startIndex || 0, n = startValue || 0; ; ) { var nextTab = string.indexOf("\t", i); - if (nextTab < 0 || nextTab >= end) - return n + (end - i); + if (nextTab < 0 || nextTab >= end) return n + (end - i); n += nextTab - i; n += tabSize - (n % tabSize); i = nextTab + 1; } - }; + }); // The inverse of countColumn -- find the offset that corresponds to // a particular column. - var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { - for (var pos = 0, col = 0;;) { + var findColumn = (CodeMirror.findColumn = function (string, goal, tabSize) { + for (var pos = 0, col = 0; ; ) { var nextTab = string.indexOf("\t", pos); if (nextTab == -1) nextTab = string.length; var skipped = nextTab - pos; @@ -8240,26 +10782,37 @@ pos = nextTab + 1; if (col >= goal) return pos; } - } + }); var spaceStrs = [""]; function spaceStr(n) { - while (spaceStrs.length <= n) - spaceStrs.push(lst(spaceStrs) + " "); + while (spaceStrs.length <= n) spaceStrs.push(lst(spaceStrs) + " "); return spaceStrs[n]; } - function lst(arr) { return arr[arr.length-1]; } + function lst(arr) { + return arr[arr.length - 1]; + } - var selectInput = function(node) { node.select(); }; - if (ios) // Mobile Safari apparently has a bug where select() is broken. - selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; - else if (ie) // Suppress mysterious IE10 errors - selectInput = function(node) { try { node.select(); } catch(_e) {} }; + var selectInput = function (node) { + node.select(); + }; + if (ios) + // Mobile Safari apparently has a bug where select() is broken. + selectInput = function (node) { + node.selectionStart = 0; + node.selectionEnd = node.value.length; + }; + else if (ie) + // Suppress mysterious IE10 errors + selectInput = function (node) { + try { + node.select(); + } catch (_e) {} + }; function indexOf(array, elt) { - for (var i = 0; i < array.length; ++i) - if (array[i] == elt) return i; + for (var i = 0; i < array.length; ++i) if (array[i] == elt) return i; return -1; } function map(array, f) { @@ -8280,26 +10833,36 @@ } if (props) copyObj(props, inst); return inst; - }; + } function copyObj(obj, target, overwrite) { if (!target) target = {}; for (var prop in obj) - if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + if ( + obj.hasOwnProperty(prop) && + (overwrite !== false || !target.hasOwnProperty(prop)) + ) target[prop] = obj[prop]; return target; } function bind(f) { var args = Array.prototype.slice.call(arguments, 1); - return function(){return f.apply(null, args);}; + return function () { + return f.apply(null, args); + }; } - var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; - var isWordCharBasic = CodeMirror.isWordChar = function(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); - }; + var nonASCIISingleCaseWordChar = + /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + var isWordCharBasic = (CodeMirror.isWordChar = function (ch) { + return ( + /\w/.test(ch) || + (ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || + nonASCIISingleCaseWordChar.test(ch))) + ); + }); function isWordChar(ch, helper) { if (!helper) return isWordCharBasic(ch); if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true; @@ -8316,8 +10879,11 @@ // as editing and measuring is concerned. This is not fully correct, // since some scripts/fonts/browsers also treat other configurations // of code points as a group. - var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; - function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); } + var extendingChars = + /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; + function isExtendingChar(ch) { + return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); + } // DOM UTILITIES @@ -8325,27 +10891,34 @@ var e = document.createElement(tag); if (className) e.className = className; if (style) e.style.cssText = style; - if (typeof content == "string") e.appendChild(document.createTextNode(content)); - else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); + if (typeof content == "string") + e.appendChild(document.createTextNode(content)); + else if (content) + for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); return e; } var range; - if (document.createRange) range = function(node, start, end, endNode) { - var r = document.createRange(); - r.setEnd(endNode || node, end); - r.setStart(node, start); - return r; - }; - else range = function(node, start, end) { - var r = document.body.createTextRange(); - try { r.moveToElementText(node.parentNode); } - catch(e) { return r; } - r.collapse(true); - r.moveEnd("character", end); - r.moveStart("character", start); - return r; - }; + if (document.createRange) + range = function (node, start, end, endNode) { + var r = document.createRange(); + r.setEnd(endNode || node, end); + r.setStart(node, start); + return r; + }; + else + range = function (node, start, end) { + var r = document.body.createTextRange(); + try { + r.moveToElementText(node.parentNode); + } catch (e) { + return r; + } + r.collapse(true); + r.moveEnd("character", end); + r.moveStart("character", start); + return r; + }; function removeChildren(e) { for (var count = e.childNodes.length; count > 0; --count) @@ -8357,43 +10930,55 @@ return removeChildren(parent).appendChild(e); } - var contains = CodeMirror.contains = function(parent, child) { - if (child.nodeType == 3) // Android browser always returns false when child is a textnode + var contains = (CodeMirror.contains = function (parent, child) { + if (child.nodeType == 3) + // Android browser always returns false when child is a textnode child = child.parentNode; - if (parent.contains) - return parent.contains(child); + if (parent.contains) return parent.contains(child); do { if (child.nodeType == 11) child = child.host; if (child == parent) return true; - } while (child = child.parentNode); - }; + } while ((child = child.parentNode)); + }); function activeElt() { var activeElement = document.activeElement; - while (activeElement && activeElement.root && activeElement.root.activeElement) + while ( + activeElement && + activeElement.root && + activeElement.root.activeElement + ) activeElement = activeElement.root.activeElement; return activeElement; } // Older versions of IE throws unspecified error when touching // document.activeElement in some cases (during loading, in iframe) - if (ie && ie_version < 11) activeElt = function() { - try { return document.activeElement; } - catch(e) { return document.body; } - }; + if (ie && ie_version < 11) + activeElt = function () { + try { + return document.activeElement; + } catch (e) { + return document.body; + } + }; - function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } - var rmClass = CodeMirror.rmClass = function(node, cls) { + function classTest(cls) { + return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); + } + var rmClass = (CodeMirror.rmClass = function (node, cls) { var current = node.className; var match = classTest(cls).exec(current); if (match) { var after = current.slice(match.index + match[0].length); - node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + node.className = + current.slice(0, match.index) + (after ? match[1] + after : ""); } - }; - var addClass = CodeMirror.addClass = function(node, cls) { + }); + var addClass = (CodeMirror.addClass = function (node, cls) { var current = node.className; - if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; - }; + if (!classTest(cls).test(current)) + node.className += (current ? " " : "") + cls; + }); function joinClasses(a, b) { var as = a.split(" "); for (var i = 0; i < as.length; i++) @@ -8425,14 +11010,15 @@ function registerGlobalHandlers() { // When the window resizes, we need to refresh active editors. var resizeTimer; - on(window, "resize", function() { - if (resizeTimer == null) resizeTimer = setTimeout(function() { - resizeTimer = null; - forEachCodeMirror(onResize); - }, 100); + on(window, "resize", function () { + if (resizeTimer == null) + resizeTimer = setTimeout(function () { + resizeTimer = null; + forEachCodeMirror(onResize); + }, 100); }); // When the window loses focus, we want to show the editor as blurred - on(window, "blur", function() { + on(window, "blur", function () { forEachCodeMirror(onBlur); }); } @@ -8440,24 +11026,36 @@ // FEATURE DETECTION // Detect drag-and-drop - var dragAndDrop = function() { + var dragAndDrop = (function () { // There is *some* kind of drag-and-drop support in IE6-8, but I // couldn't get it to work yet. if (ie && ie_version < 9) return false; - var div = elt('div'); + var div = elt("div"); return "draggable" in div || "dragDrop" in div; - }(); + })(); var zwspSupported; function zeroWidthElement(measure) { if (zwspSupported == null) { var test = elt("span", "\u200b"); - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); + removeChildrenAndAdd( + measure, + elt("span", [test, document.createTextNode("x")]) + ); if (measure.firstChild.offsetHeight != 0) - zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); - } - var node = zwspSupported ? elt("span", "\u200b") : - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + zwspSupported = + test.offsetWidth <= 1 && + test.offsetHeight > 2 && + !(ie && ie_version < 8); + } + var node = zwspSupported + ? elt("span", "\u200b") + : elt( + "span", + "\u00a0", + null, + "display: inline-block; width: 1px; margin-right: -1px" + ); node.setAttribute("cm-text", ""); return node; } @@ -8466,44 +11064,63 @@ var badBidiRects; function hasBadBidiRects(measure) { if (badBidiRects != null) return badBidiRects; - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); + var txt = removeChildrenAndAdd( + measure, + document.createTextNode("A\u062eA") + ); var r0 = range(txt, 0, 1).getBoundingClientRect(); if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) var r1 = range(txt, 1, 2).getBoundingClientRect(); - return badBidiRects = (r1.right - r0.right < 3); + return (badBidiRects = r1.right - r0.right < 3); } // See if "".split is the broken IE version, if so, provide an // alternative way to split lines. - var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) nl = string.length; - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; + var splitLinesAuto = (CodeMirror.splitLines = + "\n\nb".split(/\n/).length != 3 + ? function (string) { + var pos = 0, + result = [], + l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) nl = string.length; + var line = string.slice( + pos, + string.charAt(nl - 1) == "\r" ? nl - 1 : nl + ); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } + } + return result; + } + : function (string) { + return string.split(/\r\n?|\n/); + }); + + var hasSelection = window.getSelection + ? function (te) { + try { + return te.selectionStart != te.selectionEnd; + } catch (e) { + return false; + } } - } - return result; - } : function(string){return string.split(/\r\n?|\n/);}; - - var hasSelection = window.getSelection ? function(te) { - try { return te.selectionStart != te.selectionEnd; } - catch(e) { return false; } - } : function(te) { - try {var range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) return false; - return range.compareEndPoints("StartToEnd", range) != 0; - }; + : function (te) { + try { + var range = te.ownerDocument.selection.createRange(); + } catch (e) {} + if (!range || range.parentElement() != te) return false; + return range.compareEndPoints("StartToEnd", range) != 0; + }; - var hasCopyEvent = (function() { + var hasCopyEvent = (function () { var e = elt("div"); if ("oncopy" in e) return true; e.setAttribute("oncopy", "return;"); @@ -8516,28 +11133,77 @@ var node = removeChildrenAndAdd(measure, elt("span", "x")); var normal = node.getBoundingClientRect(); var fromRange = range(node, 0, 1).getBoundingClientRect(); - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; + return (badZoomedRects = Math.abs(normal.left - fromRange.left) > 1); } // KEY NAMES - var keyNames = CodeMirror.keyNames = { - 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" - }; - (function() { + var keyNames = (CodeMirror.keyNames = { + 3: "Enter", + 8: "Backspace", + 9: "Tab", + 13: "Enter", + 16: "Shift", + 17: "Ctrl", + 18: "Alt", + 19: "Pause", + 20: "CapsLock", + 27: "Esc", + 32: "Space", + 33: "PageUp", + 34: "PageDown", + 35: "End", + 36: "Home", + 37: "Left", + 38: "Up", + 39: "Right", + 40: "Down", + 44: "PrintScrn", + 45: "Insert", + 46: "Delete", + 59: ";", + 61: "=", + 91: "Mod", + 92: "Mod", + 93: "Mod", + 106: "*", + 107: "=", + 109: "-", + 110: ".", + 111: "/", + 127: "Delete", + 173: "-", + 186: ";", + 187: "=", + 188: ",", + 189: "-", + 190: ".", + 191: "/", + 192: "`", + 219: "[", + 220: "\\", + 221: "]", + 222: "'", + 63232: "Up", + 63233: "Down", + 63234: "Left", + 63235: "Right", + 63272: "Delete", + 63273: "Home", + 63275: "End", + 63276: "PageUp", + 63277: "PageDown", + 63302: "Insert", + }); + (function () { // Number keys - for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); + for (var i = 0; i < 10; i++) + keyNames[i + 48] = keyNames[i + 96] = String(i); // Alphabetic keys for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); // Function keys - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; + for (var i = 1; i <= 12; i++) + keyNames[i + 111] = keyNames[i + 63235] = "F" + i; })(); // BIDI HELPERS @@ -8547,18 +11213,32 @@ var found = false; for (var i = 0; i < order.length; ++i) { var part = order[i]; - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); + if ( + (part.from < to && part.to > from) || + (from == to && part.to == from) + ) { + f( + Math.max(part.from, from), + Math.min(part.to, to), + part.level == 1 ? "rtl" : "ltr" + ); found = true; } } if (!found) f(from, to, "ltr"); } - function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } - function bidiRight(part) { return part.level % 2 ? part.from : part.to; } + function bidiLeft(part) { + return part.level % 2 ? part.to : part.from; + } + function bidiRight(part) { + return part.level % 2 ? part.from : part.to; + } - function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } + function lineLeft(line) { + var order = getOrder(line); + return order ? bidiLeft(order[0]) : 0; + } function lineRight(line) { var order = getOrder(line); if (!order) return line.text.length; @@ -8570,17 +11250,26 @@ var visual = visualLine(line); if (visual != line) lineN = lineNo(visual); var order = getOrder(visual); - var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); + var ch = !order + ? 0 + : order[0].level % 2 + ? lineRight(visual) + : lineLeft(visual); return Pos(lineN, ch); } function lineEnd(cm, lineN) { - var merged, line = getLine(cm.doc, lineN); - while (merged = collapsedSpanAtEnd(line)) { + var merged, + line = getLine(cm.doc, lineN); + while ((merged = collapsedSpanAtEnd(line))) { line = merged.find(1, true).line; lineN = null; } var order = getOrder(line); - var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); + var ch = !order + ? line.text.length + : order[0].level % 2 + ? lineLeft(line) + : lineRight(line); return Pos(lineN == null ? lineNo(line) : lineN, ch); } function lineStartSmart(cm, pos) { @@ -8607,7 +11296,7 @@ for (var i = 0, found; i < order.length; ++i) { var cur = order[i]; if (cur.from < pos && cur.to > pos) return i; - if ((cur.from == pos || cur.to == pos)) { + if (cur.from == pos || cur.to == pos) { if (found == null) { found = i; } else if (compareBidiLevel(order, cur.level, order[found].level)) { @@ -8637,29 +11326,31 @@ function moveVisually(line, start, dir, byUnit) { var bidi = getOrder(line); if (!bidi) return moveLogically(line, start, dir, byUnit); - var pos = getBidiPartAt(bidi, start), part = bidi[pos]; + var pos = getBidiPartAt(bidi, start), + part = bidi[pos]; var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); for (;;) { if (target > part.from && target < part.to) return target; if (target == part.from || target == part.to) { if (getBidiPartAt(bidi, target) == pos) return target; - part = bidi[pos += dir]; - return (dir > 0) == part.level % 2 ? part.to : part.from; + part = bidi[(pos += dir)]; + return dir > 0 == part.level % 2 ? part.to : part.from; } else { - part = bidi[pos += dir]; + part = bidi[(pos += dir)]; if (!part) return null; - if ((dir > 0) == part.level % 2) + if (dir > 0 == part.level % 2) target = moveInLine(line, part.to, -1, byUnit); - else - target = moveInLine(line, part.from, 1, byUnit); + else target = moveInLine(line, part.from, 1, byUnit); } } } function moveLogically(line, start, dir, byUnit) { var target = start + dir; - if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir; + if (byUnit) + while (target > 0 && isExtendingChar(line.text.charAt(target))) + target += dir; return target < 0 || target > line.text.length ? null : target; } @@ -8686,15 +11377,18 @@ // Returns null if characters are ordered as they appear // (left-to-right), or an array of sections ({from, to, level} // objects) in the order in which they occur visually. - var bidiOrdering = (function() { + var bidiOrdering = (function () { // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; + var lowTypes = + "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; // Character types for codepoints 0x600 to 0x6ff - var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; + var arabicTypes = + "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; function charType(code) { if (code <= 0xf7) return lowTypes.charAt(code); else if (0x590 <= code && code <= 0x5f4) return "R"; - else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600); + else if (0x600 <= code && code <= 0x6ed) + return arabicTypes.charAt(code - 0x600); else if (0x6ee <= code && code <= 0x8ac) return "r"; else if (0x2000 <= code && code <= 0x200b) return "w"; else if (code == 0x200c) return "b"; @@ -8702,20 +11396,25 @@ } var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + var isNeutral = /[stwN]/, + isStrong = /[LRr]/, + countsAsLeft = /[Lb1n]/, + countsAsNum = /[1n]/; // Browsers seem to always treat the boundaries of block elements as being L. var outerType = "L"; function BidiSpan(level, from, to) { this.level = level; - this.from = from; this.to = to; + this.from = from; + this.to = to; } - return function(str) { + return function (str) { if (!bidiRE.test(str)) return false; - var len = str.length, types = []; + var len = str.length, + types = []; for (var i = 0, type; i < len; ++i) - types.push(type = charType(str.charCodeAt(i))); + types.push((type = charType(str.charCodeAt(i)))); // W1. Examine each non-spacing mark (NSM) in the level run, and // change the type of the NSM to the type of the previous @@ -8735,7 +11434,10 @@ for (var i = 0, cur = outerType; i < len; ++i) { var type = types[i]; if (type == "1" && cur == "r") types[i] = "n"; - else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } + else if (isStrong.test(type)) { + cur = type; + if (type == "r") types[i] = "R"; + } } // W4. A single European separator between two European numbers @@ -8743,9 +11445,13 @@ // two numbers of the same type changes to that type. for (var i = 1, prev = types[0]; i < len - 1; ++i) { var type = types[i]; - if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; - else if (type == "," && prev == types[i+1] && - (prev == "1" || prev == "n")) types[i] = prev; + if (type == "+" && prev == "1" && types[i + 1] == "1") types[i] = "1"; + else if ( + type == "," && + prev == types[i + 1] && + (prev == "1" || prev == "n") + ) + types[i] = prev; prev = type; } @@ -8758,7 +11464,10 @@ if (type == ",") types[i] = "N"; else if (type == "%") { for (var end = i + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; + var replace = + (i && types[i - 1] == "!") || (end < len && types[end] == "1") + ? "1" + : "N"; for (var j = i; j < end; ++j) types[j] = replace; i = end - 1; } @@ -8781,8 +11490,12 @@ // N2. Any remaining neutrals take the embedding direction. for (var i = 0; i < len; ++i) { if (isNeutral.test(types[i])) { - for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} - var before = (i ? types[i-1] : outerType) == "L"; + for ( + var end = i + 1; + end < len && isNeutral.test(types[end]); + ++end + ) {} + var before = (i ? types[i - 1] : outerType) == "L"; var after = (end < len ? types[end] : outerType) == "L"; var replace = before || after ? "L" : "R"; for (var j = i; j < end; ++j) types[j] = replace; @@ -8795,16 +11508,18 @@ // levels (0, 1, 2) in an implementation that doesn't take // explicit embedding into account, we can build up the order on // the fly, without following the level-based algorithm. - var order = [], m; - for (var i = 0; i < len;) { + var order = [], + m; + for (var i = 0; i < len; ) { if (countsAsLeft.test(types[i])) { var start = i; for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} order.push(new BidiSpan(0, start, i)); } else { - var pos = i, at = order.length; + var pos = i, + at = order.length; for (++i; i < len && types[i] != "L"; ++i) {} - for (var j = pos; j < i;) { + for (var j = pos; j < i; ) { if (countsAsNum.test(types[j])) { if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); var nstart = j; diff --git a/docs/parinfer-tester/assets/parinfer-codemirror.js b/docs/parinfer-tester/assets/parinfer-codemirror.js index 3fe19cb..b1fd5ac 100644 --- a/docs/parinfer-tester/assets/parinfer-codemirror.js +++ b/docs/parinfer-tester/assets/parinfer-codemirror.js @@ -10,657 +10,724 @@ //------------------------------------------------------------------------------ (function (root, factory) { - if (typeof define === 'function' && define.amd) { + if (typeof define === "function" && define.amd) { define([], factory); - } - else if (typeof module === 'object' && module.exports) { + } else if (typeof module === "object" && module.exports) { module.exports = factory(); - } - else { + } else { root.parinferCodeMirror = factory(); } -}(this, function() { // start module anonymous scope -"use strict"; +})(this, function () { + // start module anonymous scope + "use strict"; -//------------------------------------------------------------------------------ -// Constants -//------------------------------------------------------------------------------ + //------------------------------------------------------------------------------ + // Constants + //------------------------------------------------------------------------------ -// We attach our Parinfer state to this property on the CodeMirror instance. -var STATE_PROP = '__parinfer__'; + // We attach our Parinfer state to this property on the CodeMirror instance. + var STATE_PROP = "__parinfer__"; -var PAREN_MODE = 'paren'; -var INDENT_MODE = 'indent'; -var SMART_MODE = 'smart'; + var PAREN_MODE = "paren"; + var INDENT_MODE = "indent"; + var SMART_MODE = "smart"; -var MODES = [PAREN_MODE, INDENT_MODE, SMART_MODE]; + var MODES = [PAREN_MODE, INDENT_MODE, SMART_MODE]; -var CLASSNAME_ERROR = 'parinfer-error'; -var CLASSNAME_PARENTRAIL = 'parinfer-paren-trail'; -var CLASSNAME_LOCUS_PAREN = 'parinfer-locus-paren'; + var CLASSNAME_ERROR = "parinfer-error"; + var CLASSNAME_PARENTRAIL = "parinfer-paren-trail"; + var CLASSNAME_LOCUS_PAREN = "parinfer-locus-paren"; -var CLASSNAME_LOCUS_LAYER = 'parinfer-locus'; + var CLASSNAME_LOCUS_LAYER = "parinfer-locus"; -//------------------------------------------------------------------------------ -// State -// (`state` represents the parinfer state attached to a single CodeMirror editor) -//------------------------------------------------------------------------------ - -function initialState(cm, mode, options) { - return { - cm: cm, - mode: mode, - options: options, - enabled: false, - cursorTimeout: null, - monitorCursor: true, - prevCursorX: null, - prevCursorLine: null, - callbackCursor: null, - callbackChanges: null, - }; -} + //------------------------------------------------------------------------------ + // State + // (`state` represents the parinfer state attached to a single CodeMirror editor) + //------------------------------------------------------------------------------ -//------------------------------------------------------------------------------ -// Errors -//------------------------------------------------------------------------------ + function initialState(cm, mode, options) { + return { + cm: cm, + mode: mode, + options: options, + enabled: false, + cursorTimeout: null, + monitorCursor: true, + prevCursorX: null, + prevCursorLine: null, + callbackCursor: null, + callbackChanges: null, + }; + } -function error(msg) { - return 'parinferCodeMirror: ' + msg; -} + //------------------------------------------------------------------------------ + // Errors + //------------------------------------------------------------------------------ -function ensureMode(mode) { - if (MODES.indexOf(mode) === -1) { - throw error( - 'Mode "' + mode + '" is invalid. ' + - 'Must be one of: ' + MODES.join(',') - ); + function error(msg) { + return "parinferCodeMirror: " + msg; } -} -function ensureState(cm) { - var state = cm[STATE_PROP]; - if (!state) { - throw error( - 'You must call parinferCodeMirror.init(cm) on a CodeMirror instance ' + - 'before you can use the rest of the API.' - ); + function ensureMode(mode) { + if (MODES.indexOf(mode) === -1) { + throw error( + 'Mode "' + + mode + + '" is invalid. ' + + "Must be one of: " + + MODES.join(",") + ); + } } - return state; -} -//------------------------------------------------------------------------------ -// Data conversion -//------------------------------------------------------------------------------ - -function convertChanges(changes) { - return changes.map(function(change) { - return { - x: change.from.ch, - lineNo: change.from.line, - oldText: change.removed.join('\n'), - newText: change.text.join('\n') - }; - }); -} - -//------------------------------------------------------------------------------ -// Markers -//------------------------------------------------------------------------------ - -function clearMarks(cm, className) { - var i; - var marks = cm.getAllMarks(); - for (i=0; i= stop.x) { - xs.pop(); + + function expandTabStops(tabStops) { + if (!tabStops) { + return null; } - xs.push(stop.x); - xs.push(stop.x + (stop.ch === '(' ? 2 : 1)); - if (stop.argX != null) { - xs.push(stop.argX); + var xs = []; + var i, + stop, + prevX = -1; + for (i = 0; i < tabStops.length; i++) { + stop = tabStops[i]; + if (prevX >= stop.x) { + xs.pop(); + } + xs.push(stop.x); + xs.push(stop.x + (stop.ch === "(" ? 2 : 1)); + if (stop.argX != null) { + xs.push(stop.argX); + } } + return xs; } - return xs; -} -function nextStop(stops, x, dx) { - if (!stops) { - return null; - } - var i, stop, right, left; - for (i=0; i stop) { left = stop; } + function nextStop(stops, x, dx) { + if (!stops) { + return null; + } + var i, stop, right, left; + for (i = 0; i < stops.length; i++) { + stop = stops[i]; + if (x < stop) { + right = stop; + break; + } + if (x > stop) { + left = stop; + } + } + if (dx === -1) { + return left; + } + if (dx === 1) { + return right; + } } - if (dx === -1) { return left; } - if (dx === 1) { return right; } -} -function getIndent(cm, lineNo) { - var line = cm.getLine(lineNo); - var i; - for (i=0; i 0) { - var spaces = Array(delta + 1).join(" "); - cm.replaceSelection(spaces); - } - else { - var x = cm.getCursor().ch; - cm.replaceRange("", {line: lineNo, ch: x+delta}, {line: lineNo, ch: x}, "+indent"); + if (delta > 0) { + var spaces = Array(delta + 1).join(" "); + cm.replaceSelection(spaces); + } else { + var x = cm.getCursor().ch; + cm.replaceRange( + "", + { line: lineNo, ch: x + delta }, + { line: lineNo, ch: x }, + "+indent" + ); + } } -} -function indentAtCursor(cm, dx, stops) { - // Indent single line at cursor - var cursor = cm.getCursor(); - var lineNo = cursor.line; - var x = cursor.ch; - var indent = getIndent(cm, cursor.line); + function indentAtCursor(cm, dx, stops) { + // Indent single line at cursor + var cursor = cm.getCursor(); + var lineNo = cursor.line; + var x = cursor.ch; + var indent = getIndent(cm, cursor.line); - var stop = nextStop(stops, x, dx); - var useStops = (indent == null || x === indent); - var nextX = (stop != null && useStops) ? stop : Math.max(0, x+dx*2); + var stop = nextStop(stops, x, dx); + var useStops = indent == null || x === indent; + var nextX = stop != null && useStops ? stop : Math.max(0, x + dx * 2); - if (indent != null && indent < x && x < nextX) { - var spaces = Array(nextX-x + 1).join(" "); - cm.replaceSelection(spaces); + if (indent != null && indent < x && x < nextX) { + var spaces = Array(nextX - x + 1).join(" "); + cm.replaceSelection(spaces); + } else { + indentLine(cm, lineNo, nextX - x); + } } - else { - indentLine(cm, lineNo, nextX-x); + + function onTab(cm, dx) { + var hasSelection = cm.somethingSelected(); + var state = ensureState(cm); + var stops = expandTabStops(state.tabStops); + + if (hasSelection) { + indentSelection(cm, dx, stops); + } else { + indentAtCursor(cm, dx, stops); + } } -} -function onTab(cm, dx) { - var hasSelection = cm.somethingSelected(); - var state = ensureState(cm); - var stops = expandTabStops(state.tabStops); + //------------------------------------------------------------------------------ + // Locus/Guides layer + //------------------------------------------------------------------------------ - if (hasSelection) { - indentSelection(cm, dx, stops); + function getLayerContainer(cm) { + var wrapper = cm.getWrapperElement(); + var lines = wrapper.querySelector(".CodeMirror-lines"); + var container = lines.parentNode; + return container; } - else { - indentAtCursor(cm, dx, stops); + + function parenSelected(paren, sel) { + return sel.contains({ line: paren.lineNo, ch: paren.x }) !== -1; } -} -//------------------------------------------------------------------------------ -// Locus/Guides layer -//------------------------------------------------------------------------------ + function pointRevealsParenTrail(trail, pos) { + return ( + pos.line === trail.lineNo && + trail.startX <= pos.ch /* && cursor.ch <= trail.endX */ + ); + } -function getLayerContainer(cm) { - var wrapper = cm.getWrapperElement(); - var lines = wrapper.querySelector('.CodeMirror-lines'); - var container = lines.parentNode; - return container; -} - -function parenSelected(paren, sel) { - return sel.contains({line: paren.lineNo, ch: paren.x}) !== -1; -} - -function pointRevealsParenTrail(trail, pos) { - return ( - pos.line === trail.lineNo && - trail.startX <= pos.ch /* && cursor.ch <= trail.endX */ - ); -} - -function hideParen(cm, paren) { - var sel = cm.getDoc().sel; - var sel0 = sel.ranges[0]; - var shouldShowCloser = ( - paren.lineNo === paren.closer.lineNo || - !paren.closer.trail || - pointRevealsParenTrail(paren.closer.trail, sel0.anchor) || - pointRevealsParenTrail(paren.closer.trail, sel0.head) || - parenSelected(paren.closer, sel) - ); - - if (!shouldShowCloser) { - addMark(cm, paren.closer.lineNo, paren.closer.x, paren.closer.x+1, CLASSNAME_LOCUS_PAREN); - } - hideParens(cm, paren.children); -} - -function hideParens(cm, parens) { - var i; - for (i=0; i maxWidth) { - maxWidth = line.length; - maxLineNo = i; - } - } - var wall = charPos(cm, {lineNo: maxLineNo, x: maxWidth}); - return wall.right; -} - -function addBox(cm, paren) { - var layer = cm[STATE_PROP].layer; - var paper = layer.paper; - var charW = layer.charW; - var charH = layer.charH; - - var open = charPos(cm, paren); - var close = charPos(cm, paren.closer); - - var r = 4; - - if (paren.closer.trail && paren.lineNo !== paren.closer.lineNo) { - switch (layer.type) { - case 'guides': - paper.path([ - 'M', open.midx, open.bottom, - 'V', close.bottom - ].join(' ')); - break; - case 'locus': - var right = getRightBound(cm, paren.lineNo, paren.closer.lineNo); - paper.path([ - 'M', open.midx, open.top+r, - 'A', r, r, 0, 0, 1, open.midx+r, open.top, - 'H', right-r, - 'A', r, r, 0, 0, 1, right, open.top+r, - 'V', close.bottom, - 'H', open.midx, - 'V', open.bottom - ].join(' ')); - break; + function hideParen(cm, paren) { + var sel = cm.getDoc().sel; + var sel0 = sel.ranges[0]; + var shouldShowCloser = + paren.lineNo === paren.closer.lineNo || + !paren.closer.trail || + pointRevealsParenTrail(paren.closer.trail, sel0.anchor) || + pointRevealsParenTrail(paren.closer.trail, sel0.head) || + parenSelected(paren.closer, sel); + + if (!shouldShowCloser) { + addMark( + cm, + paren.closer.lineNo, + paren.closer.x, + paren.closer.x + 1, + CLASSNAME_LOCUS_PAREN + ); } + hideParens(cm, paren.children); } - addBoxes(cm, paren.children); -} + function hideParens(cm, parens) { + var i; + for (i = 0; i < parens.length; i++) { + hideParen(cm, parens[i]); + } + } + + function charPos(cm, paren) { + var p = cm.charCoords({ line: paren.lineNo, ch: paren.x }, "local"); + var w = p.right - p.left; + return { + midx: p.left + w / 2, + right: p.right, + left: p.left, + top: p.top, + bottom: p.bottom, + }; + } + + function getRightBound(cm, startLine, endLine) { + var doc = cm.getDoc(); + var maxWidth = 0; + var maxLineNo = 0; + var i; + for (i = startLine; i <= endLine; i++) { + var line = doc.getLine(i); + if (line.length > maxWidth) { + maxWidth = line.length; + maxLineNo = i; + } + } + var wall = charPos(cm, { lineNo: maxLineNo, x: maxWidth }); + return wall.right; + } + + function addBox(cm, paren) { + var layer = cm[STATE_PROP].layer; + var paper = layer.paper; + var charW = layer.charW; + var charH = layer.charH; + + var open = charPos(cm, paren); + var close = charPos(cm, paren.closer); + + var r = 4; + + if (paren.closer.trail && paren.lineNo !== paren.closer.lineNo) { + switch (layer.type) { + case "guides": + paper.path( + ["M", open.midx, open.bottom, "V", close.bottom].join(" ") + ); + break; + case "locus": + var right = getRightBound(cm, paren.lineNo, paren.closer.lineNo); + paper.path( + [ + "M", + open.midx, + open.top + r, + "A", + r, + r, + 0, + 0, + 1, + open.midx + r, + open.top, + "H", + right - r, + "A", + r, + r, + 0, + 0, + 1, + right, + open.top + r, + "V", + close.bottom, + "H", + open.midx, + "V", + open.bottom, + ].join(" ") + ); + break; + } + } -function addBoxes(cm, parens) { - var i; - for (i=0; i not searching + // 1 'space' => searching for next space + // 2 'arg' => searching for arg + // + // (We create the tabStop when the change from 2->0 happens.) + // + + error: { + // if 'success' is false, return this error to the user + name: null, // [string] - Parinfer's unique name for this error + message: null, // [string] - error message to display + lineNo: null, // [integer] - line number of error + x: null, // [integer] - start x position of error + extra: { + name: null, + lineNo: null, + x: null, + }, + }, + errorPosCache: {}, // [object] - maps error name to a potential error position + }; -//------------------------------------------------------------------------------ -// Result Structure -//------------------------------------------------------------------------------ + // Make sure no new properties are added to the result, for type safety. + // (uncomment only when debugging, since it incurs a perf penalty) + // Object.preventExtensions(result); + // Object.preventExtensions(result.parenTrail); -// This represents the running result. As we scan through each character -// of a given text, we mutate this structure to update the state of our -// system. - -function initialParenTrail() { - return { - lineNo: UINT_NULL, // [integer] - line number of the last parsed paren trail - startX: UINT_NULL, // [integer] - x position of first paren in this range - endX: UINT_NULL, // [integer] - x position after the last paren in this range - openers: [], // [array of stack elements] - corresponding open-paren for each close-paren in this range - clamped: { - startX: UINT_NULL, // startX before paren trail was clamped - endX: UINT_NULL, // endX before paren trail was clamped - openers: [] // openers that were cut out after paren trail was clamped - } - }; -} - -function getInitialResult(text, options, mode, smart) { - - var result = { - - mode: mode, // [enum] - current processing mode (INDENT_MODE or PAREN_MODE) - smart: smart, // [boolean] - smart mode attempts special user-friendly behavior - - origText: text, // [string] - original text - origCursorX: UINT_NULL, // [integer] - original cursorX option - origCursorLine: UINT_NULL, // [integer] - original cursorLine option - - inputLines: // [string array] - input lines that we process line-by-line, char-by-char - text.split(LINE_ENDING_REGEX), - inputLineNo: -1, // [integer] - the current input line number - inputX: -1, // [integer] - the current input x position of the current character (ch) - - lines: [], // [string array] - output lines (with corrected parens or indentation) - lineNo: -1, // [integer] - output line number we are on - ch: "", // [string] - character we are processing (can be changed to indicate a replacement) - x: 0, // [integer] - output x position of the current character (ch) - indentX: UINT_NULL, // [integer] - x position of the indentation point if present - - parenStack: [], // We track where we are in the Lisp tree by keeping a stack (array) of open-parens. - // Stack elements are objects containing keys {ch, x, lineNo, indentDelta} - // whose values are the same as those described here in this result structure. - - tabStops: [], // In Indent Mode, it is useful for editors to snap a line's indentation - // to certain critical points. Thus, we have a `tabStops` array of objects containing - // keys {ch, x, lineNo, argX}, which is just the state of the `parenStack` at the cursor line. - - parenTrail: initialParenTrail(), // the range of parens at the end of a line - - parenTrails: [], // [array of {lineNo, startX, endX}] - all non-empty parenTrails to be returned - - returnParens: false, // [boolean] - determines if we return `parens` described below - parens: [], // [array of {lineNo, x, closer, children}] - paren tree if `returnParens` is true - - cursorX: UINT_NULL, // [integer] - x position of the cursor - cursorLine: UINT_NULL, // [integer] - line number of the cursor - prevCursorX: UINT_NULL, // [integer] - x position of the previous cursor - prevCursorLine: UINT_NULL, // [integer] - line number of the previous cursor - - selectionStartLine: UINT_NULL, // [integer] - line number of the current selection starting point - - changes: null, // [object] - mapping change.key to a change object (please see `transformChange` for object structure) - - isInCode: true, // [boolean] - indicates if we are currently in "code space" (not string or comment) - isEscaping: false, // [boolean] - indicates if the next character will be escaped (e.g. `\c`). This may be inside string, comment, or code. - isEscaped: false, // [boolean] - indicates if the current character is escaped (e.g. `\c`). This may be inside string, comment, or code. - isInStr: false, // [boolean] - indicates if we are currently inside a string - isInComment: false, // [boolean] - indicates if we are currently inside a comment - commentX: UINT_NULL, // [integer] - x position of the start of comment on current line (if any) - - quoteDanger: false, // [boolean] - indicates if quotes are imbalanced inside of a comment (dangerous) - trackingIndent: false, // [boolean] - are we looking for the indentation point of the current line? - skipChar: false, // [boolean] - should we skip the processing of the current character? - success: false, // [boolean] - was the input properly formatted enough to create a valid result? - partialResult: false, // [boolean] - should we return a partial result when an error occurs? - forceBalance: false, // [boolean] - should indent mode aggressively enforce paren balance? - - maxIndent: UINT_NULL, // [integer] - maximum allowed indentation of subsequent lines in Paren Mode - indentDelta: 0, // [integer] - how far indentation was shifted by Paren Mode - // (preserves relative indentation of nested expressions) - - trackingArgTabStop: null, // [string] - enum to track how close we are to the first-arg tabStop in a list - // For example a tabStop occurs at `bar` below: - // - // ` (foo bar` - // 00011112222000 <-- state after processing char (enums below) - // - // 0 null => not searching - // 1 'space' => searching for next space - // 2 'arg' => searching for arg - // - // (We create the tabStop when the change from 2->0 happens.) - // - - error: { // if 'success' is false, return this error to the user - name: null, // [string] - Parinfer's unique name for this error - message: null, // [string] - error message to display - lineNo: null, // [integer] - line number of error - x: null, // [integer] - start x position of error - extra: { - name: null, - lineNo: null, - x: null + // merge options if they are valid + if (options) { + if (isInteger(options.cursorX)) { + result.cursorX = options.cursorX; + result.origCursorX = options.cursorX; } - }, - errorPosCache: {} // [object] - maps error name to a potential error position - }; + if (isInteger(options.cursorLine)) { + result.cursorLine = options.cursorLine; + result.origCursorLine = options.cursorLine; + } + if (isInteger(options.prevCursorX)) { + result.prevCursorX = options.prevCursorX; + } + if (isInteger(options.prevCursorLine)) { + result.prevCursorLine = options.prevCursorLine; + } + if (isInteger(options.selectionStartLine)) { + result.selectionStartLine = options.selectionStartLine; + } + if (isArray(options.changes)) { + result.changes = transformChanges(options.changes); + } + if (isBoolean(options.partialResult)) { + result.partialResult = options.partialResult; + } + if (isBoolean(options.forceBalance)) { + result.forceBalance = options.forceBalance; + } + if (isBoolean(options.returnParens)) { + result.returnParens = options.returnParens; + } + } - // Make sure no new properties are added to the result, for type safety. - // (uncomment only when debugging, since it incurs a perf penalty) - // Object.preventExtensions(result); - // Object.preventExtensions(result.parenTrail); - - // merge options if they are valid - if (options) { - if (isInteger(options.cursorX)) { result.cursorX = options.cursorX; - result.origCursorX = options.cursorX; } - if (isInteger(options.cursorLine)) { result.cursorLine = options.cursorLine; - result.origCursorLine = options.cursorLine; } - if (isInteger(options.prevCursorX)) { result.prevCursorX = options.prevCursorX; } - if (isInteger(options.prevCursorLine)) { result.prevCursorLine = options.prevCursorLine; } - if (isInteger(options.selectionStartLine)) { result.selectionStartLine = options.selectionStartLine; } - if (isArray(options.changes)) { result.changes = transformChanges(options.changes); } - if (isBoolean(options.partialResult)) { result.partialResult = options.partialResult; } - if (isBoolean(options.forceBalance)) { result.forceBalance = options.forceBalance; } - if (isBoolean(options.returnParens)) { result.returnParens = options.returnParens; } - } - - return result; -} + return result; + } + + //------------------------------------------------------------------------------ + // Possible Errors + //------------------------------------------------------------------------------ + + // `result.error.name` is set to any of these + var ERROR_QUOTE_DANGER = "quote-danger"; + var ERROR_EOL_BACKSLASH = "eol-backslash"; + var ERROR_UNCLOSED_QUOTE = "unclosed-quote"; + var ERROR_UNCLOSED_PAREN = "unclosed-paren"; + var ERROR_UNMATCHED_CLOSE_PAREN = "unmatched-close-paren"; + var ERROR_UNMATCHED_OPEN_PAREN = "unmatched-open-paren"; + var ERROR_LEADING_CLOSE_PAREN = "leading-close-paren"; + var ERROR_UNHANDLED = "unhandled"; + + var errorMessages = {}; + errorMessages[ERROR_QUOTE_DANGER] = + "Quotes must balanced inside comment blocks."; + errorMessages[ERROR_EOL_BACKSLASH] = + "Line cannot end in a hanging backslash."; + errorMessages[ERROR_UNCLOSED_QUOTE] = "String is missing a closing quote."; + errorMessages[ERROR_UNCLOSED_PAREN] = "Unclosed open-paren."; + errorMessages[ERROR_UNMATCHED_CLOSE_PAREN] = "Unmatched close-paren."; + errorMessages[ERROR_UNMATCHED_OPEN_PAREN] = "Unmatched open-paren."; + errorMessages[ERROR_LEADING_CLOSE_PAREN] = + "Line cannot lead with a close-paren."; + errorMessages[ERROR_UNHANDLED] = "Unhandled error."; + + function cacheErrorPos(result, errorName) { + var e = { + lineNo: result.lineNo, + x: result.x, + inputLineNo: result.inputLineNo, + inputX: result.inputX, + }; + result.errorPosCache[errorName] = e; + return e; + } -//------------------------------------------------------------------------------ -// Possible Errors -//------------------------------------------------------------------------------ + function error(result, name) { + var cache = result.errorPosCache[name]; -// `result.error.name` is set to any of these -var ERROR_QUOTE_DANGER = "quote-danger"; -var ERROR_EOL_BACKSLASH = "eol-backslash"; -var ERROR_UNCLOSED_QUOTE = "unclosed-quote"; -var ERROR_UNCLOSED_PAREN = "unclosed-paren"; -var ERROR_UNMATCHED_CLOSE_PAREN = "unmatched-close-paren"; -var ERROR_UNMATCHED_OPEN_PAREN = "unmatched-open-paren"; -var ERROR_LEADING_CLOSE_PAREN = "leading-close-paren"; -var ERROR_UNHANDLED = "unhandled"; - -var errorMessages = {}; -errorMessages[ERROR_QUOTE_DANGER] = "Quotes must balanced inside comment blocks."; -errorMessages[ERROR_EOL_BACKSLASH] = "Line cannot end in a hanging backslash."; -errorMessages[ERROR_UNCLOSED_QUOTE] = "String is missing a closing quote."; -errorMessages[ERROR_UNCLOSED_PAREN] = "Unclosed open-paren."; -errorMessages[ERROR_UNMATCHED_CLOSE_PAREN] = "Unmatched close-paren."; -errorMessages[ERROR_UNMATCHED_OPEN_PAREN] = "Unmatched open-paren."; -errorMessages[ERROR_LEADING_CLOSE_PAREN] = "Line cannot lead with a close-paren."; -errorMessages[ERROR_UNHANDLED] = "Unhandled error."; - -function cacheErrorPos(result, errorName) { - var e = { - lineNo: result.lineNo, - x: result.x, - inputLineNo: result.inputLineNo, - inputX: result.inputX - }; - result.errorPosCache[errorName] = e; - return e; -} - -function error(result, name) { - var cache = result.errorPosCache[name]; - - var keyLineNo = result.partialResult ? 'lineNo' : 'inputLineNo'; - var keyX = result.partialResult ? 'x' : 'inputX'; - - var e = { - parinferError: true, - name: name, - message: errorMessages[name], - lineNo: cache ? cache[keyLineNo] : result[keyLineNo], - x: cache ? cache[keyX] : result[keyX] - }; - var opener = peek(result.parenStack, 0); - - if (name === ERROR_UNMATCHED_CLOSE_PAREN) { - // extra error info for locating the open-paren that it should've matched - cache = result.errorPosCache[ERROR_UNMATCHED_OPEN_PAREN]; - if (cache || opener) { - e.extra = { - name: ERROR_UNMATCHED_OPEN_PAREN, - lineNo: cache ? cache[keyLineNo] : opener[keyLineNo], - x: cache ? cache[keyX] : opener[keyX] - }; + var keyLineNo = result.partialResult ? "lineNo" : "inputLineNo"; + var keyX = result.partialResult ? "x" : "inputX"; + + var e = { + parinferError: true, + name: name, + message: errorMessages[name], + lineNo: cache ? cache[keyLineNo] : result[keyLineNo], + x: cache ? cache[keyX] : result[keyX], + }; + var opener = peek(result.parenStack, 0); + + if (name === ERROR_UNMATCHED_CLOSE_PAREN) { + // extra error info for locating the open-paren that it should've matched + cache = result.errorPosCache[ERROR_UNMATCHED_OPEN_PAREN]; + if (cache || opener) { + e.extra = { + name: ERROR_UNMATCHED_OPEN_PAREN, + lineNo: cache ? cache[keyLineNo] : opener[keyLineNo], + x: cache ? cache[keyX] : opener[keyX], + }; + } + } else if (name === ERROR_UNCLOSED_PAREN) { + e.lineNo = opener[keyLineNo]; + e.x = opener[keyX]; } + return e; } - else if (name === ERROR_UNCLOSED_PAREN) { - e.lineNo = opener[keyLineNo]; - e.x = opener[keyX]; + + //------------------------------------------------------------------------------ + // String Operations + //------------------------------------------------------------------------------ + + function replaceWithinString(orig, start, end, replace) { + return orig.substring(0, start) + replace + orig.substring(end); } - return e; -} -//------------------------------------------------------------------------------ -// String Operations -//------------------------------------------------------------------------------ + if (RUN_ASSERTS) { + console.assert(replaceWithinString("aaa", 0, 2, "") === "a"); + console.assert(replaceWithinString("aaa", 0, 1, "b") === "baa"); + console.assert(replaceWithinString("aaa", 0, 2, "b") === "ba"); + } -function replaceWithinString(orig, start, end, replace) { - return ( - orig.substring(0, start) + - replace + - orig.substring(end) - ); -} - -if (RUN_ASSERTS) { - console.assert(replaceWithinString('aaa', 0, 2, '') === 'a'); - console.assert(replaceWithinString('aaa', 0, 1, 'b') === 'baa'); - console.assert(replaceWithinString('aaa', 0, 2, 'b') === 'ba'); -} - -function repeatString(text, n) { - var i; - var result = ""; - for (i = 0; i < n; i++) { - result += text; - } - return result; -} - -if (RUN_ASSERTS) { - console.assert(repeatString('a', 2) === 'aa'); - console.assert(repeatString('aa', 3) === 'aaaaaa'); - console.assert(repeatString('aa', 0) === ''); - console.assert(repeatString('', 0) === ''); - console.assert(repeatString('', 5) === ''); -} - -function getLineEnding(text) { - // NOTE: We assume that if the CR char "\r" is used anywhere, - // then we should use CRLF line-endings after every line. - var i = text.search("\r"); - if (i !== -1) { - return "\r\n"; - } - return "\n"; -} + function repeatString(text, n) { + var i; + var result = ""; + for (i = 0; i < n; i++) { + result += text; + } + return result; + } -//------------------------------------------------------------------------------ -// Line operations -//------------------------------------------------------------------------------ + if (RUN_ASSERTS) { + console.assert(repeatString("a", 2) === "aa"); + console.assert(repeatString("aa", 3) === "aaaaaa"); + console.assert(repeatString("aa", 0) === ""); + console.assert(repeatString("", 0) === ""); + console.assert(repeatString("", 5) === ""); + } -function isCursorAffected(result, start, end) { - if (result.cursorX === start && - result.cursorX === end) { - return result.cursorX === 0; + function getLineEnding(text) { + // NOTE: We assume that if the CR char "\r" is used anywhere, + // then we should use CRLF line-endings after every line. + var i = text.search("\r"); + if (i !== -1) { + return "\r\n"; + } + return "\n"; } - return result.cursorX >= end; -} -function shiftCursorOnEdit(result, lineNo, start, end, replace) { - var oldLength = end - start; - var newLength = replace.length; - var dx = newLength - oldLength; + //------------------------------------------------------------------------------ + // Line operations + //------------------------------------------------------------------------------ - if (dx !== 0 && + function isCursorAffected(result, start, end) { + if (result.cursorX === start && result.cursorX === end) { + return result.cursorX === 0; + } + return result.cursorX >= end; + } + + function shiftCursorOnEdit(result, lineNo, start, end, replace) { + var oldLength = end - start; + var newLength = replace.length; + var dx = newLength - oldLength; + + if ( + dx !== 0 && result.cursorLine === lineNo && result.cursorX !== UINT_NULL && - isCursorAffected(result, start, end)) { - result.cursorX += dx; + isCursorAffected(result, start, end) + ) { + result.cursorX += dx; + } } -} -function replaceWithinLine(result, lineNo, start, end, replace) { - var line = result.lines[lineNo]; - var newLine = replaceWithinString(line, start, end, replace); - result.lines[lineNo] = newLine; + function replaceWithinLine(result, lineNo, start, end, replace) { + var line = result.lines[lineNo]; + var newLine = replaceWithinString(line, start, end, replace); + result.lines[lineNo] = newLine; - shiftCursorOnEdit(result, lineNo, start, end, replace); -} - -function insertWithinLine(result, lineNo, idx, insert) { - replaceWithinLine(result, lineNo, idx, idx, insert); -} + shiftCursorOnEdit(result, lineNo, start, end, replace); + } -function initLine(result) { - result.x = 0; - result.lineNo++; + function insertWithinLine(result, lineNo, idx, insert) { + replaceWithinLine(result, lineNo, idx, idx, insert); + } - // reset line-specific state - result.indentX = UINT_NULL; - result.commentX = UINT_NULL; - result.indentDelta = 0; - delete result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]; - delete result.errorPosCache[ERROR_UNMATCHED_OPEN_PAREN]; - delete result.errorPosCache[ERROR_LEADING_CLOSE_PAREN]; + function initLine(result) { + result.x = 0; + result.lineNo++; - result.trackingArgTabStop = null; - result.trackingIndent = !result.isInStr; -} + // reset line-specific state + result.indentX = UINT_NULL; + result.commentX = UINT_NULL; + result.indentDelta = 0; + delete result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]; + delete result.errorPosCache[ERROR_UNMATCHED_OPEN_PAREN]; + delete result.errorPosCache[ERROR_LEADING_CLOSE_PAREN]; -// if the current character has changed, commit its change to the current line. -function commitChar(result, origCh) { - var ch = result.ch; - if (origCh !== ch) { - replaceWithinLine(result, result.lineNo, result.x, result.x + origCh.length, ch); - result.indentDelta -= (origCh.length - ch.length); + result.trackingArgTabStop = null; + result.trackingIndent = !result.isInStr; + } + + // if the current character has changed, commit its change to the current line. + function commitChar(result, origCh) { + var ch = result.ch; + if (origCh !== ch) { + replaceWithinLine( + result, + result.lineNo, + result.x, + result.x + origCh.length, + ch + ); + result.indentDelta -= origCh.length - ch.length; + } + result.x += ch.length; } - result.x += ch.length; -} -//------------------------------------------------------------------------------ -// Misc Utils -//------------------------------------------------------------------------------ - -function clamp(val, minN, maxN) { - if (minN !== UINT_NULL) { - val = Math.max(minN, val); - } - if (maxN !== UINT_NULL) { - val = Math.min(maxN, val); - } - return val; -} - -if (RUN_ASSERTS) { - console.assert(clamp(1, 3, 5) === 3); - console.assert(clamp(9, 3, 5) === 5); - console.assert(clamp(1, 3, UINT_NULL) === 3); - console.assert(clamp(5, 3, UINT_NULL) === 5); - console.assert(clamp(1, UINT_NULL, 5) === 1); - console.assert(clamp(9, UINT_NULL, 5) === 5); - console.assert(clamp(1, UINT_NULL, UINT_NULL) === 1); -} - -function peek(arr, idxFromBack) { - var maxIdx = arr.length - 1; - if (idxFromBack > maxIdx) { - return null; - } - return arr[maxIdx - idxFromBack]; -} - -if (RUN_ASSERTS) { - console.assert(peek(['a'], 0) === 'a'); - console.assert(peek(['a'], 1) === null); - console.assert(peek(['a', 'b', 'c'], 0) === 'c'); - console.assert(peek(['a', 'b', 'c'], 1) === 'b'); - console.assert(peek(['a', 'b', 'c'], 5) === null); - console.assert(peek([], 0) === null); - console.assert(peek([], 1) === null); -} + //------------------------------------------------------------------------------ + // Misc Utils + //------------------------------------------------------------------------------ -//------------------------------------------------------------------------------ -// Questions about characters -//------------------------------------------------------------------------------ + function clamp(val, minN, maxN) { + if (minN !== UINT_NULL) { + val = Math.max(minN, val); + } + if (maxN !== UINT_NULL) { + val = Math.min(maxN, val); + } + return val; + } -function isOpenParen(ch) { - return ch === "{" || ch === "(" || ch === "["; -} + if (RUN_ASSERTS) { + console.assert(clamp(1, 3, 5) === 3); + console.assert(clamp(9, 3, 5) === 5); + console.assert(clamp(1, 3, UINT_NULL) === 3); + console.assert(clamp(5, 3, UINT_NULL) === 5); + console.assert(clamp(1, UINT_NULL, 5) === 1); + console.assert(clamp(9, UINT_NULL, 5) === 5); + console.assert(clamp(1, UINT_NULL, UINT_NULL) === 1); + } -function isCloseParen(ch) { - return ch === "}" || ch === ")" || ch === "]"; -} + function peek(arr, idxFromBack) { + var maxIdx = arr.length - 1; + if (idxFromBack > maxIdx) { + return null; + } + return arr[maxIdx - idxFromBack]; + } -function isValidCloseParen(parenStack, ch) { - if (parenStack.length === 0) { - return false; + if (RUN_ASSERTS) { + console.assert(peek(["a"], 0) === "a"); + console.assert(peek(["a"], 1) === null); + console.assert(peek(["a", "b", "c"], 0) === "c"); + console.assert(peek(["a", "b", "c"], 1) === "b"); + console.assert(peek(["a", "b", "c"], 5) === null); + console.assert(peek([], 0) === null); + console.assert(peek([], 1) === null); } - return peek(parenStack, 0).ch === MATCH_PAREN[ch]; -} -function isWhitespace(result) { - var ch = result.ch; - return !result.isEscaped && (ch === BLANK_SPACE || ch === DOUBLE_SPACE); -} + //------------------------------------------------------------------------------ + // Questions about characters + //------------------------------------------------------------------------------ -// can this be the last code character of a list? -function isClosable(result) { - var ch = result.ch; - var closer = (isCloseParen(ch) && !result.isEscaped); - return result.isInCode && !isWhitespace(result) && ch !== "" && !closer; -} + function isOpenParen(ch) { + return ch === "{" || ch === "(" || ch === "["; + } -//------------------------------------------------------------------------------ -// Advanced operations on characters -//------------------------------------------------------------------------------ + function isCloseParen(ch) { + return ch === "}" || ch === ")" || ch === "]"; + } -function checkCursorHolding(result) { - var opener = peek(result.parenStack, 0); - var parent = peek(result.parenStack, 1); - var holdMinX = parent ? parent.x+1 : 0; - var holdMaxX = opener.x; - - var holding = ( - result.cursorLine === opener.lineNo && - holdMinX <= result.cursorX && result.cursorX <= holdMaxX - ); - var shouldCheckPrev = !result.changes && result.prevCursorLine !== UINT_NULL; - if (shouldCheckPrev) { - var prevHolding = ( - result.prevCursorLine === opener.lineNo && - holdMinX <= result.prevCursorX && result.prevCursorX <= holdMaxX - ); - if (prevHolding && !holding) { - throw {releaseCursorHold: true}; + function isValidCloseParen(parenStack, ch) { + if (parenStack.length === 0) { + return false; } + return peek(parenStack, 0).ch === MATCH_PAREN[ch]; } - return holding; -} -function trackArgTabStop(result, state) { - if (state === 'space') { - if (result.isInCode && isWhitespace(result)) { - result.trackingArgTabStop = 'arg'; + function isWhitespace(result) { + var ch = result.ch; + return !result.isEscaped && (ch === BLANK_SPACE || ch === DOUBLE_SPACE); + } + + // can this be the last code character of a list? + function isClosable(result) { + var ch = result.ch; + var closer = isCloseParen(ch) && !result.isEscaped; + return result.isInCode && !isWhitespace(result) && ch !== "" && !closer; + } + + //------------------------------------------------------------------------------ + // Advanced operations on characters + //------------------------------------------------------------------------------ + + function checkCursorHolding(result) { + var opener = peek(result.parenStack, 0); + var parent = peek(result.parenStack, 1); + var holdMinX = parent ? parent.x + 1 : 0; + var holdMaxX = opener.x; + + var holding = + result.cursorLine === opener.lineNo && + holdMinX <= result.cursorX && + result.cursorX <= holdMaxX; + var shouldCheckPrev = + !result.changes && result.prevCursorLine !== UINT_NULL; + if (shouldCheckPrev) { + var prevHolding = + result.prevCursorLine === opener.lineNo && + holdMinX <= result.prevCursorX && + result.prevCursorX <= holdMaxX; + if (prevHolding && !holding) { + throw { releaseCursorHold: true }; + } } + return holding; } - else if (state === 'arg') { - if (!isWhitespace(result)) { + + function trackArgTabStop(result, state) { + if (state === "space") { + if (result.isInCode && isWhitespace(result)) { + result.trackingArgTabStop = "arg"; + } + } else if (state === "arg") { + if (!isWhitespace(result)) { var opener = peek(result.parenStack, 0); opener.argX = result.x; result.trackingArgTabStop = null; + } } } -} -//------------------------------------------------------------------------------ -// Literal character events -//------------------------------------------------------------------------------ + //------------------------------------------------------------------------------ + // Literal character events + //------------------------------------------------------------------------------ -function onOpenParen(result) { - if (result.isInCode) { - var opener = { - inputLineNo: result.inputLineNo, - inputX: result.inputX, + function onOpenParen(result) { + if (result.isInCode) { + var opener = { + inputLineNo: result.inputLineNo, + inputX: result.inputX, + + lineNo: result.lineNo, + x: result.x, + ch: result.ch, + indentDelta: result.indentDelta, + maxChildIndent: UINT_NULL, + }; - lineNo: result.lineNo, - x: result.x, - ch: result.ch, - indentDelta: result.indentDelta, - maxChildIndent: UINT_NULL - }; + if (result.returnParens) { + opener.children = []; + opener.closer = { + lineNo: UINT_NULL, + x: UINT_NULL, + ch: "", + }; + var parent = peek(result.parenStack, 0); + parent = parent ? parent.children : result.parens; + parent.push(opener); + } - if (result.returnParens) { - opener.children = []; - opener.closer = { - lineNo: UINT_NULL, - x: UINT_NULL, - ch: '' - }; - var parent = peek(result.parenStack, 0); - parent = parent ? parent.children : result.parens; - parent.push(opener); + result.parenStack.push(opener); + result.trackingArgTabStop = "space"; } - - result.parenStack.push(opener); - result.trackingArgTabStop = 'space'; } -} -function setCloser(opener, lineNo, x, ch) { - opener.closer.lineNo = lineNo; - opener.closer.x = x; - opener.closer.ch = ch; -} - -function onMatchedCloseParen(result) { - var opener = peek(result.parenStack, 0); - if (result.returnParens) { - setCloser(opener, result.lineNo, result.x, result.ch); + function setCloser(opener, lineNo, x, ch) { + opener.closer.lineNo = lineNo; + opener.closer.x = x; + opener.closer.ch = ch; } - result.parenTrail.endX = result.x + 1; - result.parenTrail.openers.push(opener); + function onMatchedCloseParen(result) { + var opener = peek(result.parenStack, 0); + if (result.returnParens) { + setCloser(opener, result.lineNo, result.x, result.ch); + } - if (result.mode === INDENT_MODE && result.smart && checkCursorHolding(result)) { - var origStartX = result.parenTrail.startX; - var origEndX = result.parenTrail.endX; - var origOpeners = result.parenTrail.openers; - resetParenTrail(result, result.lineNo, result.x+1); - result.parenTrail.clamped.startX = origStartX; - result.parenTrail.clamped.endX = origEndX; - result.parenTrail.clamped.openers = origOpeners; - } - result.parenStack.pop(); - result.trackingArgTabStop = null; -} + result.parenTrail.endX = result.x + 1; + result.parenTrail.openers.push(opener); -function onUnmatchedCloseParen(result) { - if (result.mode === PAREN_MODE) { - var trail = result.parenTrail; - var inLeadingParenTrail = trail.lineNo === result.lineNo && trail.startX === result.indentX; - var canRemove = result.smart && inLeadingParenTrail; - if (!canRemove) { - throw error(result, ERROR_UNMATCHED_CLOSE_PAREN); + if ( + result.mode === INDENT_MODE && + result.smart && + checkCursorHolding(result) + ) { + var origStartX = result.parenTrail.startX; + var origEndX = result.parenTrail.endX; + var origOpeners = result.parenTrail.openers; + resetParenTrail(result, result.lineNo, result.x + 1); + result.parenTrail.clamped.startX = origStartX; + result.parenTrail.clamped.endX = origEndX; + result.parenTrail.clamped.openers = origOpeners; } + result.parenStack.pop(); + result.trackingArgTabStop = null; } - else if (result.mode === INDENT_MODE && !result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]) { - cacheErrorPos(result, ERROR_UNMATCHED_CLOSE_PAREN); - var opener = peek(result.parenStack, 0); - if (opener) { - var e = cacheErrorPos(result, ERROR_UNMATCHED_OPEN_PAREN); - e.inputLineNo = opener.inputLineNo; - e.inputX = opener.inputX; + + function onUnmatchedCloseParen(result) { + if (result.mode === PAREN_MODE) { + var trail = result.parenTrail; + var inLeadingParenTrail = + trail.lineNo === result.lineNo && trail.startX === result.indentX; + var canRemove = result.smart && inLeadingParenTrail; + if (!canRemove) { + throw error(result, ERROR_UNMATCHED_CLOSE_PAREN); + } + } else if ( + result.mode === INDENT_MODE && + !result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN] + ) { + cacheErrorPos(result, ERROR_UNMATCHED_CLOSE_PAREN); + var opener = peek(result.parenStack, 0); + if (opener) { + var e = cacheErrorPos(result, ERROR_UNMATCHED_OPEN_PAREN); + e.inputLineNo = opener.inputLineNo; + e.inputX = opener.inputX; + } } + result.ch = ""; } - result.ch = ""; -} -function onCloseParen(result) { - if (result.isInCode) { - if (isValidCloseParen(result.parenStack, result.ch)) { - onMatchedCloseParen(result); - } - else { - onUnmatchedCloseParen(result); + function onCloseParen(result) { + if (result.isInCode) { + if (isValidCloseParen(result.parenStack, result.ch)) { + onMatchedCloseParen(result); + } else { + onUnmatchedCloseParen(result); + } } } -} -function onTab(result) { - if (result.isInCode) { - result.ch = DOUBLE_SPACE; + function onTab(result) { + if (result.isInCode) { + result.ch = DOUBLE_SPACE; + } } -} -function onSemicolon(result) { - if (result.isInCode) { - result.isInComment = true; - result.commentX = result.x; - result.trackingArgTabStop = null; + function onSemicolon(result) { + if (result.isInCode) { + result.isInComment = true; + result.commentX = result.x; + result.trackingArgTabStop = null; + } } -} -function onNewline(result) { - result.isInComment = false; - result.ch = ""; -} - -function onQuote(result) { - if (result.isInStr) { - result.isInStr = false; + function onNewline(result) { + result.isInComment = false; + result.ch = ""; } - else if (result.isInComment) { - result.quoteDanger = !result.quoteDanger; - if (result.quoteDanger) { - cacheErrorPos(result, ERROR_QUOTE_DANGER); + + function onQuote(result) { + if (result.isInStr) { + result.isInStr = false; + } else if (result.isInComment) { + result.quoteDanger = !result.quoteDanger; + if (result.quoteDanger) { + cacheErrorPos(result, ERROR_QUOTE_DANGER); + } + } else { + result.isInStr = true; + cacheErrorPos(result, ERROR_UNCLOSED_QUOTE); } } - else { - result.isInStr = true; - cacheErrorPos(result, ERROR_UNCLOSED_QUOTE); - } -} -function onBackslash(result) { - result.isEscaping = true; -} + function onBackslash(result) { + result.isEscaping = true; + } -function afterBackslash(result) { - result.isEscaping = false; - result.isEscaped = true; + function afterBackslash(result) { + result.isEscaping = false; + result.isEscaped = true; - if (result.ch === NEWLINE) { - if (result.isInCode) { - throw error(result, ERROR_EOL_BACKSLASH); + if (result.ch === NEWLINE) { + if (result.isInCode) { + throw error(result, ERROR_EOL_BACKSLASH); + } + onNewline(result); } - onNewline(result); } -} -//------------------------------------------------------------------------------ -// Character dispatch -//------------------------------------------------------------------------------ + //------------------------------------------------------------------------------ + // Character dispatch + //------------------------------------------------------------------------------ + + function onChar(result) { + var ch = result.ch; + result.isEscaped = false; + + if (result.isEscaping) { + afterBackslash(result); + } else if (isOpenParen(ch)) { + onOpenParen(result); + } else if (isCloseParen(ch)) { + onCloseParen(result); + } else if (ch === DOUBLE_QUOTE) { + onQuote(result); + } else if (ch === SEMICOLON) { + onSemicolon(result); + } else if (ch === BACKSLASH) { + onBackslash(result); + } else if (ch === TAB) { + onTab(result); + } else if (ch === NEWLINE) { + onNewline(result); + } -function onChar(result) { - var ch = result.ch; - result.isEscaped = false; + ch = result.ch; - if (result.isEscaping) { afterBackslash(result); } - else if (isOpenParen(ch)) { onOpenParen(result); } - else if (isCloseParen(ch)) { onCloseParen(result); } - else if (ch === DOUBLE_QUOTE) { onQuote(result); } - else if (ch === SEMICOLON) { onSemicolon(result); } - else if (ch === BACKSLASH) { onBackslash(result); } - else if (ch === TAB) { onTab(result); } - else if (ch === NEWLINE) { onNewline(result); } + result.isInCode = !result.isInComment && !result.isInStr; - ch = result.ch; + if (isClosable(result)) { + resetParenTrail(result, result.lineNo, result.x + ch.length); + } - result.isInCode = !result.isInComment && !result.isInStr; + var state = result.trackingArgTabStop; + if (state) { + trackArgTabStop(result, state); + } + } - if (isClosable(result)) { - resetParenTrail(result, result.lineNo, result.x+ch.length); + //------------------------------------------------------------------------------ + // Cursor functions + //------------------------------------------------------------------------------ + + function isCursorLeftOf(cursorX, cursorLine, x, lineNo) { + return ( + cursorLine === lineNo && + x !== UINT_NULL && + cursorX !== UINT_NULL && + cursorX <= x // inclusive since (cursorX = x) implies (x-1 < cursor < x) + ); } - var state = result.trackingArgTabStop; - if (state) { - trackArgTabStop(result, state); + function isCursorRightOf(cursorX, cursorLine, x, lineNo) { + return ( + cursorLine === lineNo && + x !== UINT_NULL && + cursorX !== UINT_NULL && + cursorX > x + ); } -} -//------------------------------------------------------------------------------ -// Cursor functions -//------------------------------------------------------------------------------ + function isCursorInComment(result, cursorX, cursorLine) { + return isCursorRightOf(cursorX, cursorLine, result.commentX, result.lineNo); + } -function isCursorLeftOf(cursorX, cursorLine, x, lineNo) { - return ( - cursorLine === lineNo && - x !== UINT_NULL && - cursorX !== UINT_NULL && - cursorX <= x // inclusive since (cursorX = x) implies (x-1 < cursor < x) - ); -} - -function isCursorRightOf(cursorX, cursorLine, x, lineNo) { - return ( - cursorLine === lineNo && - x !== UINT_NULL && - cursorX !== UINT_NULL && - cursorX > x - ); -} - -function isCursorInComment(result, cursorX, cursorLine) { - return isCursorRightOf(cursorX, cursorLine, result.commentX, result.lineNo); -} - -function handleChangeDelta(result) { - if (result.changes && (result.smart || result.mode === PAREN_MODE)) { - var line = result.changes[result.inputLineNo]; - if (line) { - var change = line[result.inputX]; - if (change) { - result.indentDelta += (change.newEndX - change.oldEndX); + function handleChangeDelta(result) { + if (result.changes && (result.smart || result.mode === PAREN_MODE)) { + var line = result.changes[result.inputLineNo]; + if (line) { + var change = line[result.inputX]; + if (change) { + result.indentDelta += change.newEndX - change.oldEndX; + } } } } -} -//------------------------------------------------------------------------------ -// Paren Trail functions -//------------------------------------------------------------------------------ + //------------------------------------------------------------------------------ + // Paren Trail functions + //------------------------------------------------------------------------------ + + function resetParenTrail(result, lineNo, x) { + result.parenTrail.lineNo = lineNo; + result.parenTrail.startX = x; + result.parenTrail.endX = x; + result.parenTrail.openers = []; + result.parenTrail.clamped.startX = UINT_NULL; + result.parenTrail.clamped.endX = UINT_NULL; + result.parenTrail.clamped.openers = []; + } + + function isCursorClampingParenTrail(result, cursorX, cursorLine) { + return ( + isCursorRightOf( + cursorX, + cursorLine, + result.parenTrail.startX, + result.lineNo + ) && !isCursorInComment(result, cursorX, cursorLine) + ); + } -function resetParenTrail(result, lineNo, x) { - result.parenTrail.lineNo = lineNo; - result.parenTrail.startX = x; - result.parenTrail.endX = x; - result.parenTrail.openers = []; - result.parenTrail.clamped.startX = UINT_NULL; - result.parenTrail.clamped.endX = UINT_NULL; - result.parenTrail.clamped.openers = []; -} - -function isCursorClampingParenTrail(result, cursorX, cursorLine) { - return ( - isCursorRightOf(cursorX, cursorLine, result.parenTrail.startX, result.lineNo) && - !isCursorInComment(result, cursorX, cursorLine) - ); -} - -// INDENT MODE: allow the cursor to clamp the paren trail -function clampParenTrailToCursor(result) { - var startX = result.parenTrail.startX; - var endX = result.parenTrail.endX; - - var clamping = isCursorClampingParenTrail(result, result.cursorX, result.cursorLine); - - if (clamping) { - var newStartX = Math.max(startX, result.cursorX); - var newEndX = Math.max(endX, result.cursorX); + // INDENT MODE: allow the cursor to clamp the paren trail + function clampParenTrailToCursor(result) { + var startX = result.parenTrail.startX; + var endX = result.parenTrail.endX; - var line = result.lines[result.lineNo]; - var removeCount = 0; - var i; - for (i = startX; i < newStartX; i++) { - if (isCloseParen(line[i])) { - removeCount++; + var clamping = isCursorClampingParenTrail( + result, + result.cursorX, + result.cursorLine + ); + + if (clamping) { + var newStartX = Math.max(startX, result.cursorX); + var newEndX = Math.max(endX, result.cursorX); + + var line = result.lines[result.lineNo]; + var removeCount = 0; + var i; + for (i = startX; i < newStartX; i++) { + if (isCloseParen(line[i])) { + removeCount++; + } } - } - var openers = result.parenTrail.openers; + var openers = result.parenTrail.openers; - result.parenTrail.openers = openers.slice(removeCount); - result.parenTrail.startX = newStartX; - result.parenTrail.endX = newEndX; + result.parenTrail.openers = openers.slice(removeCount); + result.parenTrail.startX = newStartX; + result.parenTrail.endX = newEndX; - result.parenTrail.clamped.openers = openers.slice(0, removeCount); - result.parenTrail.clamped.startX = startX; - result.parenTrail.clamped.endX = endX; + result.parenTrail.clamped.openers = openers.slice(0, removeCount); + result.parenTrail.clamped.startX = startX; + result.parenTrail.clamped.endX = endX; + } } -} -// INDENT MODE: pops the paren trail from the stack -function popParenTrail(result) { - var startX = result.parenTrail.startX; - var endX = result.parenTrail.endX; + // INDENT MODE: pops the paren trail from the stack + function popParenTrail(result) { + var startX = result.parenTrail.startX; + var endX = result.parenTrail.endX; - if (startX === endX) { - return; - } + if (startX === endX) { + return; + } - var openers = result.parenTrail.openers; - while (openers.length !== 0) { - result.parenStack.push(openers.pop()); + var openers = result.parenTrail.openers; + while (openers.length !== 0) { + result.parenStack.push(openers.pop()); + } } -} -// Determine which open-paren (if any) on the parenStack should be considered -// the direct parent of the current line (given its indentation point). -// This allows Smart Mode to simulate Paren Mode's structure-preserving -// behavior by adding its `opener.indentDelta` to the current line's indentation. -// (care must be taken to prevent redundant indentation correction, detailed below) -function getParentOpenerIndex(result, indentX) { - var i; - for (i=0; i `(foo) bar` - // bar) --/ + var isParent = false; - // 1. PREVENT FRAGMENTATION - // ```in - // (foo - // ++ - // bar - // ``` - // ```out - // (foo - // bar - // ``` - if (result.indentDelta === 0) { + if (prevOutside && currOutside) { isParent = true; - } - - // 2. ALLOW FRAGMENTATION - // ```in - // (foo - // bar - // -- - // ``` - // ```out - // (foo) - // bar - // ``` - else if (opener.indentDelta === 0) { + } else if (!prevOutside && !currOutside) { isParent = false; - } + } else if (prevOutside && !currOutside) { + // POSSIBLE FRAGMENTATION + // (foo --\ + // +--- FRAGMENT `(foo bar)` => `(foo) bar` + // bar) --/ + + // 1. PREVENT FRAGMENTATION + // ```in + // (foo + // ++ + // bar + // ``` + // ```out + // (foo + // bar + // ``` + if (result.indentDelta === 0) { + isParent = true; + } - else { - // TODO: identify legitimate cases where both are nonzero + // 2. ALLOW FRAGMENTATION + // ```in + // (foo + // bar + // -- + // ``` + // ```out + // (foo) + // bar + // ``` + else if (opener.indentDelta === 0) { + isParent = false; + } else { + // TODO: identify legitimate cases where both are nonzero - // allow the fragmentation by default - isParent = false; + // allow the fragmentation by default + isParent = false; - // TODO: should we throw to exit instead? either of: - // 1. give up, just `throw error(...)` - // 2. fallback to paren mode to preserve structure - } - } - else if (!prevOutside && currOutside) { - // POSSIBLE ADOPTION - // (foo) --\ - // +--- ADOPT `(foo) bar` => `(foo bar)` - // bar --/ - - var nextOpener = peek(result.parenStack, i+1); - - // 1. DISALLOW ADOPTION - // ```in - // (foo - // -- - // (bar) - // -- - // baz) - // ``` - // ```out - // (foo - // (bar) - // baz) - // ``` - // OR - // ```in - // (foo - // -- - // (bar) - // - - // baz) - // ``` - // ```out - // (foo - // (bar) - // baz) - // ``` - if (nextOpener && nextOpener.indentDelta <= opener.indentDelta) { - // we can only disallow adoption if nextOpener.indentDelta will actually - // prevent the indentX from being in the opener's threshold. - if (indentX + nextOpener.indentDelta > opener.x) { + // TODO: should we throw to exit instead? either of: + // 1. give up, just `throw error(...)` + // 2. fallback to paren mode to preserve structure + } + } else if (!prevOutside && currOutside) { + // POSSIBLE ADOPTION + // (foo) --\ + // +--- ADOPT `(foo) bar` => `(foo bar)` + // bar --/ + + var nextOpener = peek(result.parenStack, i + 1); + + // 1. DISALLOW ADOPTION + // ```in + // (foo + // -- + // (bar) + // -- + // baz) + // ``` + // ```out + // (foo + // (bar) + // baz) + // ``` + // OR + // ```in + // (foo + // -- + // (bar) + // - + // baz) + // ``` + // ```out + // (foo + // (bar) + // baz) + // ``` + if (nextOpener && nextOpener.indentDelta <= opener.indentDelta) { + // we can only disallow adoption if nextOpener.indentDelta will actually + // prevent the indentX from being in the opener's threshold. + if (indentX + nextOpener.indentDelta > opener.x) { + isParent = true; + } else { + isParent = false; + } + } + + // 2. ALLOW ADOPTION + // ```in + // (foo + // (bar) + // -- + // baz) + // ``` + // ```out + // (foo + // (bar + // baz)) + // ``` + // OR + // ```in + // (foo + // - + // (bar) + // -- + // baz) + // ``` + // ```out + // (foo + // (bar) + // baz) + // ``` + else if (nextOpener && nextOpener.indentDelta > opener.indentDelta) { isParent = true; } - else { - isParent = false; + + // 3. ALLOW ADOPTION + // ```in + // (foo) + // -- + // bar + // ``` + // ```out + // (foo + // bar) + // ``` + // OR + // ```in + // (foo) + // bar + // ++ + // ``` + // ```out + // (foo + // bar + // ``` + // OR + // ```in + // (foo) + // + + // bar + // ++ + // ``` + // ```out + // (foo + // bar) + // ``` + else if (result.indentDelta > opener.indentDelta) { + isParent = true; } - } - // 2. ALLOW ADOPTION - // ```in - // (foo - // (bar) - // -- - // baz) - // ``` - // ```out - // (foo - // (bar - // baz)) - // ``` - // OR - // ```in - // (foo - // - - // (bar) - // -- - // baz) - // ``` - // ```out - // (foo - // (bar) - // baz) - // ``` - else if (nextOpener && nextOpener.indentDelta > opener.indentDelta) { - isParent = true; + if (isParent) { + // if new parent + // Clear `indentDelta` since it is reserved for previous child lines only. + opener.indentDelta = 0; + } } - // 3. ALLOW ADOPTION - // ```in - // (foo) - // -- - // bar - // ``` - // ```out - // (foo - // bar) - // ``` - // OR - // ```in - // (foo) - // bar - // ++ - // ``` - // ```out - // (foo - // bar - // ``` - // OR - // ```in - // (foo) - // + - // bar - // ++ - // ``` - // ```out - // (foo - // bar) - // ``` - else if (result.indentDelta > opener.indentDelta) { - isParent = true; + if (isParent) { + break; } + } + return i; + } - if (isParent) { // if new parent - // Clear `indentDelta` since it is reserved for previous child lines only. - opener.indentDelta = 0; + // INDENT MODE: correct paren trail from indentation + function correctParenTrail(result, indentX) { + var parens = ""; + + var index = getParentOpenerIndex(result, indentX); + var i; + for (i = 0; i < index; i++) { + var opener = result.parenStack.pop(); + result.parenTrail.openers.push(opener); + var closeCh = MATCH_PAREN[opener.ch]; + parens += closeCh; + + if (result.returnParens) { + setCloser( + opener, + result.parenTrail.lineNo, + result.parenTrail.startX + i, + closeCh + ); } } - if (isParent) { - break; + if (result.parenTrail.lineNo !== UINT_NULL) { + replaceWithinLine( + result, + result.parenTrail.lineNo, + result.parenTrail.startX, + result.parenTrail.endX, + parens + ); + result.parenTrail.endX = result.parenTrail.startX + parens.length; + rememberParenTrail(result); } } - return i; -} -// INDENT MODE: correct paren trail from indentation -function correctParenTrail(result, indentX) { - var parens = ""; + // PAREN MODE: remove spaces from the paren trail + function cleanParenTrail(result) { + var startX = result.parenTrail.startX; + var endX = result.parenTrail.endX; - var index = getParentOpenerIndex(result, indentX); - var i; - for (i=0; i 0) { + replaceWithinLine(result, result.lineNo, startX, endX, newTrail); + result.parenTrail.endX -= spaceCount; + } } - var line = result.lines[result.lineNo]; - var newTrail = ""; - var spaceCount = 0; - var i; - for (i = startX; i < endX; i++) { - if (isCloseParen(line[i])) { - newTrail += line[i]; - } - else { - spaceCount++; + // PAREN MODE: append a valid close-paren to the end of the paren trail + function appendParenTrail(result) { + var opener = result.parenStack.pop(); + var closeCh = MATCH_PAREN[opener.ch]; + if (result.returnParens) { + setCloser( + opener, + result.parenTrail.lineNo, + result.parenTrail.endX, + closeCh + ); } - } - if (spaceCount > 0) { - replaceWithinLine(result, result.lineNo, startX, endX, newTrail); - result.parenTrail.endX -= spaceCount; - } -} + setMaxIndent(result, opener); + insertWithinLine( + result, + result.parenTrail.lineNo, + result.parenTrail.endX, + closeCh + ); -// PAREN MODE: append a valid close-paren to the end of the paren trail -function appendParenTrail(result) { - var opener = result.parenStack.pop(); - var closeCh = MATCH_PAREN[opener.ch]; - if (result.returnParens) { - setCloser(opener, result.parenTrail.lineNo, result.parenTrail.endX, closeCh); + result.parenTrail.endX++; + result.parenTrail.openers.push(opener); + updateRememberedParenTrail(result); } - setMaxIndent(result, opener); - insertWithinLine(result, result.parenTrail.lineNo, result.parenTrail.endX, closeCh); - - result.parenTrail.endX++; - result.parenTrail.openers.push(opener); - updateRememberedParenTrail(result); -} - -function invalidateParenTrail(result) { - result.parenTrail = initialParenTrail(); -} - -function checkUnmatchedOutsideParenTrail(result) { - var cache = result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]; - if (cache && cache.x < result.parenTrail.startX) { - throw error(result, ERROR_UNMATCHED_CLOSE_PAREN); + function invalidateParenTrail(result) { + result.parenTrail = initialParenTrail(); } -} -function setMaxIndent(result, opener) { - if (opener) { - var parent = peek(result.parenStack, 0); - if (parent) { - parent.maxChildIndent = opener.x; + function checkUnmatchedOutsideParenTrail(result) { + var cache = result.errorPosCache[ERROR_UNMATCHED_CLOSE_PAREN]; + if (cache && cache.x < result.parenTrail.startX) { + throw error(result, ERROR_UNMATCHED_CLOSE_PAREN); } - else { - result.maxIndent = opener.x; + } + + function setMaxIndent(result, opener) { + if (opener) { + var parent = peek(result.parenStack, 0); + if (parent) { + parent.maxChildIndent = opener.x; + } else { + result.maxIndent = opener.x; + } } } -} -function rememberParenTrail(result) { - var trail = result.parenTrail; - var openers = trail.clamped.openers.concat(trail.openers); - if (openers.length > 0) { - var isClamped = trail.clamped.startX !== UINT_NULL; - var allClamped = trail.openers.length === 0; - var shortTrail = { - lineNo: trail.lineNo, - startX: isClamped ? trail.clamped.startX : trail.startX, - endX: allClamped ? trail.clamped.endX : trail.endX - }; - result.parenTrails.push(shortTrail); + function rememberParenTrail(result) { + var trail = result.parenTrail; + var openers = trail.clamped.openers.concat(trail.openers); + if (openers.length > 0) { + var isClamped = trail.clamped.startX !== UINT_NULL; + var allClamped = trail.openers.length === 0; + var shortTrail = { + lineNo: trail.lineNo, + startX: isClamped ? trail.clamped.startX : trail.startX, + endX: allClamped ? trail.clamped.endX : trail.endX, + }; + result.parenTrails.push(shortTrail); - if (result.returnParens) { - var i; - for (i=0; i=0; i--) { - result.tabStops.push(makeTabStop(result, result.parenTrail.openers[i])); + if (result.mode === PAREN_MODE) { + for (i = result.parenTrail.openers.length - 1; i >= 0; i--) { + result.tabStops.push(makeTabStop(result, result.parenTrail.openers[i])); + } } - } - // remove argX if it falls to the right of the next stop - for (i=1; i= x) { - delete result.tabStops[i-1].argX; + // remove argX if it falls to the right of the next stop + for (i = 1; i < result.tabStops.length; i++) { + var x = result.tabStops[i].x; + var prevArgX = result.tabStops[i - 1].argX; + if (prevArgX != null && prevArgX >= x) { + delete result.tabStops[i - 1].argX; + } } } -} -//------------------------------------------------------------------------------ -// High-level processing functions -//------------------------------------------------------------------------------ + //------------------------------------------------------------------------------ + // High-level processing functions + //------------------------------------------------------------------------------ -function processChar(result, ch) { - var origCh = ch; + function processChar(result, ch) { + var origCh = ch; - result.ch = ch; - result.skipChar = false; + result.ch = ch; + result.skipChar = false; - handleChangeDelta(result); + handleChangeDelta(result); - if (result.trackingIndent) { - checkIndent(result); - } + if (result.trackingIndent) { + checkIndent(result); + } - if (result.skipChar) { - result.ch = ""; - } - else { - onChar(result); + if (result.skipChar) { + result.ch = ""; + } else { + onChar(result); + } + + commitChar(result, origCh); } - commitChar(result, origCh); -} + function processLine(result, lineNo) { + initLine(result); + result.lines.push(result.inputLines[lineNo]); -function processLine(result, lineNo) { - initLine(result); - result.lines.push(result.inputLines[lineNo]); + setTabStops(result); - setTabStops(result); + var x; + for (x = 0; x < result.inputLines[lineNo].length; x++) { + result.inputX = x; + processChar(result, result.inputLines[lineNo][x]); + } + processChar(result, NEWLINE); - var x; - for (x = 0; x < result.inputLines[lineNo].length; x++) { - result.inputX = x; - processChar(result, result.inputLines[lineNo][x]); - } - processChar(result, NEWLINE); + if (!result.forceBalance) { + checkUnmatchedOutsideParenTrail(result); + checkLeadingCloseParen(result); + } - if (!result.forceBalance) { - checkUnmatchedOutsideParenTrail(result); - checkLeadingCloseParen(result); + if (result.lineNo === result.parenTrail.lineNo) { + finishNewParenTrail(result); + } } - if (result.lineNo === result.parenTrail.lineNo) { - finishNewParenTrail(result); + function finalizeResult(result) { + if (result.quoteDanger) { + throw error(result, ERROR_QUOTE_DANGER); + } + if (result.isInStr) { + throw error(result, ERROR_UNCLOSED_QUOTE); + } + + if (result.parenStack.length !== 0) { + if (result.mode === PAREN_MODE) { + throw error(result, ERROR_UNCLOSED_PAREN); + } + } + if (result.mode === INDENT_MODE) { + initLine(result); + onIndent(result); + } + result.success = true; + } + + function processError(result, e) { + result.success = false; + if (e.parinferError) { + delete e.parinferError; + result.error = e; + } else { + result.error.name = ERROR_UNHANDLED; + result.error.message = e.stack; + throw e; + } } -} -function finalizeResult(result) { - if (result.quoteDanger) { throw error(result, ERROR_QUOTE_DANGER); } - if (result.isInStr) { throw error(result, ERROR_UNCLOSED_QUOTE); } + function processText(text, options, mode, smart) { + var result = getInitialResult(text, options, mode, smart); - if (result.parenStack.length !== 0) { - if (result.mode === PAREN_MODE) { - throw error(result, ERROR_UNCLOSED_PAREN); + try { + var i; + for (i = 0; i < result.inputLines.length; i++) { + result.inputLineNo = i; + processLine(result, i); + } + finalizeResult(result); + } catch (e) { + if (e.leadingCloseParen || e.releaseCursorHold) { + return processText(text, options, PAREN_MODE, smart); + } + processError(result, e); } - } - if (result.mode === INDENT_MODE) { - initLine(result); - onIndent(result); - } - result.success = true; -} -function processError(result, e) { - result.success = false; - if (e.parinferError) { - delete e.parinferError; - result.error = e; - } - else { - result.error.name = ERROR_UNHANDLED; - result.error.message = e.stack; - throw e; + return result; } -} -function processText(text, options, mode, smart) { - var result = getInitialResult(text, options, mode, smart); + //------------------------------------------------------------------------------ + // Public API + //------------------------------------------------------------------------------ - try { - var i; - for (i = 0; i < result.inputLines.length; i++) { - result.inputLineNo = i; - processLine(result, i); + function publicResult(result) { + var lineEnding = getLineEnding(result.origText); + var final; + if (result.success) { + final = { + text: result.lines.join(lineEnding), + cursorX: result.cursorX, + cursorLine: result.cursorLine, + success: true, + tabStops: result.tabStops, + parenTrails: result.parenTrails, + }; + if (result.returnParens) { + final.parens = result.parens; + } + } else { + final = { + text: result.partialResult + ? result.lines.join(lineEnding) + : result.origText, + cursorX: result.partialResult ? result.cursorX : result.origCursorX, + cursorLine: result.partialResult + ? result.cursorLine + : result.origCursorLine, + parenTrails: result.partialResult ? result.parenTrails : null, + success: false, + error: result.error, + }; + if (result.partialResult && result.returnParens) { + final.parens = result.parens; + } } - finalizeResult(result); - } - catch (e) { - if (e.leadingCloseParen || e.releaseCursorHold) { - return processText(text, options, PAREN_MODE, smart); + if (final.cursorX === UINT_NULL) { + delete final.cursorX; + } + if (final.cursorLine === UINT_NULL) { + delete final.cursorLine; + } + if (final.tabStops && final.tabStops.length === 0) { + delete final.tabStops; } - processError(result, e); + return final; } - return result; -} + function indentMode(text, options) { + options = parseOptions(options); + return publicResult(processText(text, options, INDENT_MODE)); + } -//------------------------------------------------------------------------------ -// Public API -//------------------------------------------------------------------------------ + function parenMode(text, options) { + options = parseOptions(options); + return publicResult(processText(text, options, PAREN_MODE)); + } -function publicResult(result) { - var lineEnding = getLineEnding(result.origText); - var final; - if (result.success) { - final = { - text: result.lines.join(lineEnding), - cursorX: result.cursorX, - cursorLine: result.cursorLine, - success: true, - tabStops: result.tabStops, - parenTrails: result.parenTrails - }; - if (result.returnParens) { - final.parens = result.parens; - } + function smartMode(text, options) { + options = parseOptions(options); + var smart = options.selectionStartLine == null; + return publicResult(processText(text, options, INDENT_MODE, smart)); } - else { - final = { - text: result.partialResult ? result.lines.join(lineEnding) : result.origText, - cursorX: result.partialResult ? result.cursorX : result.origCursorX, - cursorLine: result.partialResult ? result.cursorLine : result.origCursorLine, - parenTrails: result.partialResult ? result.parenTrails : null, - success: false, - error: result.error - }; - if (result.partialResult && result.returnParens) { - final.parens = result.parens; - } - } - if (final.cursorX === UINT_NULL) { delete final.cursorX; } - if (final.cursorLine === UINT_NULL) { delete final.cursorLine; } - if (final.tabStops && final.tabStops.length === 0) { delete final.tabStops; } - return final; -} - -function indentMode(text, options) { - options = parseOptions(options); - return publicResult(processText(text, options, INDENT_MODE)); -} - -function parenMode(text, options) { - options = parseOptions(options); - return publicResult(processText(text, options, PAREN_MODE)); -} - -function smartMode(text, options) { - options = parseOptions(options); - var smart = options.selectionStartLine == null; - return publicResult(processText(text, options, INDENT_MODE, smart)); -} - -var API = { - version: "3.12.0", - indentMode: indentMode, - parenMode: parenMode, - smartMode: smartMode -}; - -return API; - -})); // end module anonymous scope + + var API = { + version: "3.12.0", + indentMode: indentMode, + parenMode: parenMode, + smartMode: smartMode, + }; + + return API; +}); // end module anonymous scope diff --git a/docs/parinfer-tester/assets/style.css b/docs/parinfer-tester/assets/style.css index 5c76731..816ce6f 100644 --- a/docs/parinfer-tester/assets/style.css +++ b/docs/parinfer-tester/assets/style.css @@ -5,7 +5,7 @@ body { font-family: "Open Sans", Arial, freesans, sans-serif; color: #555; - background: #F7F7F7; + background: #f7f7f7; } #xkcd a { @@ -16,7 +16,6 @@ body { padding-top: 0; } - #toc { text-align: left; margin-left: 10px; @@ -24,7 +23,7 @@ body { } a.header-link { - color: #CCC; + color: #ccc; position: absolute; left: -1em; border-bottom: 0; @@ -54,7 +53,7 @@ a.header-link { } .toc-link.toc-active-ancestor { - border-right: 2px solid #CCC; + border-right: 2px solid #ccc; margin-right: 0; opacity: 1; } @@ -79,14 +78,14 @@ a.header-link { position: fixed; right: 0; top: 0; - background-color: rgba(0,255,255,0.3); + background-color: rgba(0, 255, 255, 0.3); margin: 0; padding: 20px; } .interact { padding: 20px; - background: #E7EAE9; + background: #e7eae9; border-radius: 8px; margin: 32px 0; } @@ -98,8 +97,8 @@ a.header-link { } .interact:after { - content:''; - display:block; + content: ""; + display: block; clear: both; } @@ -108,24 +107,27 @@ a.header-link { } .paredit-table th, -.paredit-table td -{ +.paredit-table td { padding: 14px; border: 1px solid #cecece; background: #fefefe; vertical-align: top; } -.paredit-table th -{ +.paredit-table th { color: #888; font-style: italic; background: none; } -h1, h2, h3, h4, h5, h6 { +h1, +h2, +h3, +h4, +h5, +h6 { color: #222; - margin-top:0; + margin-top: 0; margin-bottom: 20px; position: relative; } @@ -161,15 +163,19 @@ h1 em { } a { - border-bottom: 1px solid #CC3385; - color: #CC3385; + border-bottom: 1px solid #cc3385; + color: #cc3385; } -a:link, a:visited, a:hover, a:active { +a:link, +a:visited, +a:hover, +a:active { text-decoration: none; } -p, li { +p, +li { line-height: 1.7em; color: #555; } @@ -182,14 +188,14 @@ p, li { padding-left: 20px; padding-bottom: 32px; height: 100%; - border-right: 1px solid #DDD; + border-right: 1px solid #ddd; background-color: #f1f1f1; overflow-y: auto; } .sidebar-logo { - margin:60px 0 0 70px; - display:block + margin: 60px 0 0 70px; + display: block; } .credits { @@ -214,7 +220,7 @@ p, li { .wrapper { right: 0; - margin:0; + margin: 0; border-top: 1px solid #dedede; } @@ -252,14 +258,14 @@ section { } code { - font-family: Menlo, Consolas, 'DejaVu Sans Mono', monospace; + font-family: Menlo, Consolas, "DejaVu Sans Mono", monospace; font-size: 16px; } .CodeMirror { - font-family: Menlo, Consolas, 'DejaVu Sans Mono', monospace; - background: #FEFEFE; - border: 1px solid #EEE; + font-family: Menlo, Consolas, "DejaVu Sans Mono", monospace; + background: #fefefe; + border: 1px solid #eee; padding: 5px; margin-bottom: 20px; } @@ -272,14 +278,14 @@ code { } .col { - float:left; + float: left; width: 350px; margin-right: 10px; } .two-col:after { - content:''; - display:block; + content: ""; + display: block; clear: both; } @@ -289,25 +295,21 @@ code { } #cm-code-lisp-expr, -#cm-code-c-expr -{ +#cm-code-c-expr { height: 120px; } #cm-code-lisp-indent, -#cm-code-c-indent -{ +#cm-code-c-indent { height: 174px; } #cm-code-skim, -#cm-code-inspect -{ +#cm-code-inspect { height: 96px; } -#cm-code-skim span.cm-bracket -{ +#cm-code-skim span.cm-bracket { opacity: 0.15; color: #000; } @@ -319,95 +321,82 @@ code { #cm-code-inspect span.cm-def, #cm-code-inspect span.cm-atom, #cm-code-inspect span.cm-number, -#cm-code-inspect span.cm-comment -{ +#cm-code-inspect span.cm-comment { opacity: 0.15; color: #000; } #cm-code-indent, -#cm-code-indent-far -{ +#cm-code-indent-far { height: 70px; } #cm-code-indent-multi, -#cm-code-intro-indent -{ +#cm-code-intro-indent { height: 130px; } #cm-code-line, -#cm-code-intro-insert -{ +#cm-code-intro-insert { height: 150px; } #cm-code-comment, -#cm-code-intro-comment -{ +#cm-code-intro-comment { height: 130px; } #cm-code-wrap, #cm-code-splice, #cm-code-slurp, -#cm-code-barf -{ +#cm-code-barf { height: 70px; } -#cm-code-string -{ +#cm-code-string { height: 110px; } #cm-code-displaced, -#cm-code-not-displaced -{ +#cm-code-not-displaced { height: 90px; } #cm-code-indent-input, -#cm-code-indent-output -{ +#cm-code-indent-output { height: 250px; } -#cm-code-indent-output -{ +#cm-code-indent-output { opacity: 0.75; } -#cm-code-indent-output .cm-bracket.cm-eol -{ +#cm-code-indent-output .cm-bracket.cm-eol { opacity: 1; - background: #AAFFC2; + background: #aaffc2; } #cm-code-indent-input .cm-bracket.cm-eol, -#cm-code-indent-input .cm-bracket.cm-sol -{ +#cm-code-indent-input .cm-bracket.cm-sol { opacity: 1; - background: #FFBEBE; + background: #ffbebe; } .removed { - background: #FFBEBE; + background: #ffbebe; } .kept { - background: #FFE8B0; + background: #ffe8b0; } .inserted { - background: #AAFFC2; + background: #aaffc2; } #cm-code-indent-output .cm-bracket.cm-mol, -#cm-code-indent-input .cm-bracket.cm-mol -{ - background: #FFE8B0; +#cm-code-indent-input .cm-bracket.cm-mol { + background: #ffe8b0; } #cm-code-indent-output span.cm-keyword, @@ -425,21 +414,18 @@ code { #cm-code-indent-input span.cm-def, #cm-code-indent-input span.cm-atom, #cm-code-indent-input span.cm-number, -#cm-code-indent-input span.cm-comment -{ +#cm-code-indent-input span.cm-comment { opacity: 0.3; color: #000; } #cm-code-warn-good, -#cm-code-warn-bad -{ +#cm-code-warn-bad { font-size: 14px; height: 110px; } -#cm-code-enter -{ +#cm-code-enter { height: 180px; } @@ -447,30 +433,25 @@ code { #cm-code-paren-frac, #cm-code-paren-comment, #cm-code-paren-wrap, -#cm-code-intro-paren -{ +#cm-code-intro-paren { height: 100px; } -#cm-code-intro-paredit -{ +#cm-code-intro-paredit { height: 100px; } #cm-code-displaced-after-balance, #cm-code-not-displaced-on-enter, -#cm-code-displaced-after-cursor-leaves -{ +#cm-code-displaced-after-cursor-leaves { height: 80px; } -p.centered -{ +p.centered { text-align: center; } -a.img-link -{ +a.img-link { border-bottom: 0; } @@ -482,58 +463,48 @@ blockquote.aside { opacity: 0.8; } -.side-point -{ +.side-point { font-style: italic; - color: #BBB; + color: #bbb; } -td .side-point -{ - margin-top:5px; +td .side-point { + margin-top: 5px; } -.warning -{ +.warning { padding: 20px; border-radius: 5px; - background: #FFFF7B; + background: #ffff7b; } -.warning-title -{ +.warning-title { font-weight: bold; margin-bottom: 10px; } -.warning-body -{ +.warning-body { margin-left: 34px; color: #333; } -.green -{ - color: #63CA63; +.green { + color: #63ca63; } -.red -{ - color: #E84545; +.red { + color: #e84545; } -.question -{ +.question { font-weight: bold; } -.question i.fa -{ - color: #5380C7; +.question i.fa { + color: #5380c7; } -.answer -{ +.answer { margin-left: 22px; } @@ -554,7 +525,7 @@ i.fa { } .state-table { - margin-top: 6px;; + margin-top: 6px; font: 14px Menlo; } @@ -573,10 +544,9 @@ i.fa { } .state-table .active-line { - background: #FF0; + background: #ff0; } - .gear { opacity: 0.3; transition: opacity 0.2s; @@ -586,18 +556,15 @@ i.fa { opacity: 0.8; } -.gear.auto-indent-gear -{ +.gear.auto-indent-gear { opacity: 0.8; } -.gear.auto-indent-gear.invisible -{ +.gear.auto-indent-gear.invisible { opacity: 0; } -.parinfer-gear -{ +.parinfer-gear { opacity: 0.15; } @@ -607,12 +574,12 @@ i.fa { .lego-img { width: 100%; - border: 1px solid #EEE; + border: 1px solid #eee; } .math-page { background: #fefefe; - border: 1px solid #EEE; + border: 1px solid #eee; padding: 30px; font-family: "Computer Modern Serif"; font-size: 18px; @@ -640,14 +607,14 @@ i.fa { float: right; font-style: italic; font-size: 0.8em; - color: #BBB; + color: #bbb; } .only-mobile { display: none; } -@media only screen and (max-width : 850px) { +@media only screen and (max-width: 850px) { #app { position: static; } @@ -677,4 +644,3 @@ i.fa { display: block; } } - diff --git a/docs/parinfer-tester/assets/theme.css b/docs/parinfer-tester/assets/theme.css index 3ed9589..f01c6aa 100644 --- a/docs/parinfer-tester/assets/theme.css +++ b/docs/parinfer-tester/assets/theme.css @@ -53,15 +53,34 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} } */ -.cm-s-github .cm-keyword {color: #a71d5d;} /* clojure core forms */ -.cm-s-github .cm-builtin {color: #a71d5d;} /* clojure core library */ -.cm-s-github .cm-string {color: #183691;} /* clojure strings */ -.cm-s-github .cm-variable {color: #333;} /* clojure misc symbols */ -.cm-s-github .cm-def {color: #795da3;} /* clojure function calls or defs */ -.cm-s-github .cm-atom {color: #0086b3;} /* clojure keyword, bool, nil */ -.cm-s-github .cm-number {color: #0086b3;} /* clojure number */ -.cm-s-github .cm-bracket {color: #333;} /* clojure brackets */ -.cm-s-github .cm-comment {color: #969896; font-style: italic;} /* clojure comment */ +.cm-s-github .cm-keyword { + color: #a71d5d; +} /* clojure core forms */ +.cm-s-github .cm-builtin { + color: #a71d5d; +} /* clojure core library */ +.cm-s-github .cm-string { + color: #183691; +} /* clojure strings */ +.cm-s-github .cm-variable { + color: #333; +} /* clojure misc symbols */ +.cm-s-github .cm-def { + color: #795da3; +} /* clojure function calls or defs */ +.cm-s-github .cm-atom { + color: #0086b3; +} /* clojure keyword, bool, nil */ +.cm-s-github .cm-number { + color: #0086b3; +} /* clojure number */ +.cm-s-github .cm-bracket { + color: #333; +} /* clojure brackets */ +.cm-s-github .cm-comment { + color: #969896; + font-style: italic; +} /* clojure comment */ div.CodeMirror span.CodeMirror-matchingbracket { background: #e8f2ff; @@ -72,6 +91,9 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket { } /* don't change selection color based on an editor's focus status. */ -.CodeMirror-selected { background: #d7d4f0; /* #d9d9d9 */} -.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } - +.CodeMirror-selected { + background: #d7d4f0; /* #d9d9d9 */ +} +.CodeMirror-focused .CodeMirror-selected { + background: #d7d4f0; +} diff --git a/docs/parinfer-tester/index.html b/docs/parinfer-tester/index.html index 25bf01b..0716cfd 100644 --- a/docs/parinfer-tester/index.html +++ b/docs/parinfer-tester/index.html @@ -1,33 +1,32 @@ + + + + + Parinfer - Tester + + + + + + - - - - - Parinfer - Tester - - - - - - + + - - + - - -
- - - - - - - +
+ + + + + diff --git a/package.json b/package.json index f30a0cd..6270d3a 100644 --- a/package.json +++ b/package.json @@ -179,7 +179,12 @@ "opengoal.parinferMode": { "type": "string", "default": "DISABLED", - "enum": ["DISABLED", "SMART", "PAREN", "INDENT"], + "enum": [ + "DISABLED", + "SMART", + "PAREN", + "INDENT" + ], "enumDescriptions": [ "Disable parinfer", "Parinfer will try it's best to deduce when to run Paren mode and when to run Indent mode",