diff --git a/lib/internal/readline.js b/lib/internal/readline.js new file mode 100644 index 00000000000000..aad0794a682ba6 --- /dev/null +++ b/lib/internal/readline.js @@ -0,0 +1,392 @@ +'use strict'; + +// Regexes used for ansi escape code splitting +const metaKeyCodeReAnywhere = /(?:\x1b)([a-zA-Z0-9])/; +const functionKeyCodeReAnywhere = new RegExp('(?:\x1b+)(O|N|\\[|\\[\\[)(?:' + [ + '(\\d+)(?:;(\\d+))?([~^$])', + '(?:M([@ #!a`])(.)(.))', // mouse + '(?:1;)?(\\d+)?([a-zA-Z])' +].join('|') + ')'); + + +module.exports = { + emitKeys, + getStringWidth, + isFullWidthCodePoint, + stripVTControlCharacters +}; + + +/** + * Returns the number of columns required to display the given string. + */ +function getStringWidth(str) { + let width = 0; + + str = stripVTControlCharacters(str); + + for (let i = 0; i < str.length; i++) { + const code = str.codePointAt(i); + + if (code >= 0x10000) { // surrogates + i++; + } + + if (isFullWidthCodePoint(code)) { + width += 2; + } else { + width++; + } + } + + return width; +} + + +/** + * Returns true if the character represented by a given + * Unicode code point is full-width. Otherwise returns false. + */ +function isFullWidthCodePoint(code) { + if (isNaN(code)) { + return false; + } + + // Code points are derived from: + // http://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt + if (code >= 0x1100 && ( + code <= 0x115f || // Hangul Jamo + 0x2329 === code || // LEFT-POINTING ANGLE BRACKET + 0x232a === code || // RIGHT-POINTING ANGLE BRACKET + // CJK Radicals Supplement .. Enclosed CJK Letters and Months + (0x2e80 <= code && code <= 0x3247 && code !== 0x303f) || + // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A + 0x3250 <= code && code <= 0x4dbf || + // CJK Unified Ideographs .. Yi Radicals + 0x4e00 <= code && code <= 0xa4c6 || + // Hangul Jamo Extended-A + 0xa960 <= code && code <= 0xa97c || + // Hangul Syllables + 0xac00 <= code && code <= 0xd7a3 || + // CJK Compatibility Ideographs + 0xf900 <= code && code <= 0xfaff || + // Vertical Forms + 0xfe10 <= code && code <= 0xfe19 || + // CJK Compatibility Forms .. Small Form Variants + 0xfe30 <= code && code <= 0xfe6b || + // Halfwidth and Fullwidth Forms + 0xff01 <= code && code <= 0xff60 || + 0xffe0 <= code && code <= 0xffe6 || + // Kana Supplement + 0x1b000 <= code && code <= 0x1b001 || + // Enclosed Ideographic Supplement + 0x1f200 <= code && code <= 0x1f251 || + // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane + 0x20000 <= code && code <= 0x3fffd)) { + return true; + } + + return false; +} + + +/** + * Tries to remove all VT control characters. Use to estimate displayed + * string width. May be buggy due to not running a real state machine + */ +function stripVTControlCharacters(str) { + str = str.replace(new RegExp(functionKeyCodeReAnywhere.source, 'g'), ''); + return str.replace(new RegExp(metaKeyCodeReAnywhere.source, 'g'), ''); +} + + +/* + Some patterns seen in terminal key escape codes, derived from combos seen + at http://www.midnight-commander.org/browser/lib/tty/key.c + + ESC letter + ESC [ letter + ESC [ modifier letter + ESC [ 1 ; modifier letter + ESC [ num char + ESC [ num ; modifier char + ESC O letter + ESC O modifier letter + ESC O 1 ; modifier letter + ESC N letter + ESC [ [ num ; modifier char + ESC [ [ 1 ; modifier letter + ESC ESC [ num char + ESC ESC O letter + + - char is usually ~ but $ and ^ also happen with rxvt + - modifier is 1 + + (shift * 1) + + (left_alt * 2) + + (ctrl * 4) + + (right_alt * 8) + - two leading ESCs apparently mean the same as one leading ESC +*/ +function* emitKeys(stream) { + while (true) { + let ch = yield; + let s = ch; + let escaped = false; + const key = { + sequence: null, + name: undefined, + ctrl: false, + meta: false, + shift: false + }; + + if (ch === '\x1b') { + escaped = true; + s += (ch = yield); + + if (ch === '\x1b') { + s += (ch = yield); + } + } + + if (escaped && (ch === 'O' || ch === '[')) { + // ansi escape sequence + let code = ch; + let modifier = 0; + + if (ch === 'O') { + // ESC O letter + // ESC O modifier letter + s += (ch = yield); + + if (ch >= '0' && ch <= '9') { + modifier = (ch >> 0) - 1; + s += (ch = yield); + } + + code += ch; + } else if (ch === '[') { + // ESC [ letter + // ESC [ modifier letter + // ESC [ [ modifier letter + // ESC [ [ num char + s += (ch = yield); + + if (ch === '[') { + // \x1b[[A + // ^--- escape codes might have a second bracket + code += ch; + s += (ch = yield); + } + + /* + * Here and later we try to buffer just enough data to get + * a complete ascii sequence. + * + * We have basically two classes of ascii characters to process: + * + * + * 1. `\x1b[24;5~` should be parsed as { code: '[24~', modifier: 5 } + * + * This particular example is featuring Ctrl+F12 in xterm. + * + * - `;5` part is optional, e.g. it could be `\x1b[24~` + * - first part can contain one or two digits + * + * So the generic regexp is like /^\d\d?(;\d)?[~^$]$/ + * + * + * 2. `\x1b[1;5H` should be parsed as { code: '[H', modifier: 5 } + * + * This particular example is featuring Ctrl+Home in xterm. + * + * - `1;5` part is optional, e.g. it could be `\x1b[H` + * - `1;` part is optional, e.g. it could be `\x1b[5H` + * + * So the generic regexp is like /^((\d;)?\d)?[A-Za-z]$/ + * + */ + const cmdStart = s.length - 1; + + // skip one or two leading digits + if (ch >= '0' && ch <= '9') { + s += (ch = yield); + + if (ch >= '0' && ch <= '9') { + s += (ch = yield); + } + } + + // skip modifier + if (ch === ';') { + s += (ch = yield); + + if (ch >= '0' && ch <= '9') { + s += (ch = yield); + } + } + + /* + * We buffered enough data, now trying to extract code + * and modifier from it + */ + const cmd = s.slice(cmdStart); + let match; + + if ((match = cmd.match(/^(\d\d?)(;(\d))?([~^$])$/))) { + code += match[1] + match[4]; + modifier = (match[3] || 1) - 1; + } else if ((match = cmd.match(/^((\d;)?(\d))?([A-Za-z])$/))) { + code += match[4]; + modifier = (match[3] || 1) - 1; + } else { + code += cmd; + } + } + + // Parse the key modifier + key.ctrl = !!(modifier & 4); + key.meta = !!(modifier & 10); + key.shift = !!(modifier & 1); + key.code = code; + + // Parse the key itself + switch (code) { + /* xterm/gnome ESC O letter */ + case 'OP': key.name = 'f1'; break; + case 'OQ': key.name = 'f2'; break; + case 'OR': key.name = 'f3'; break; + case 'OS': key.name = 'f4'; break; + + /* xterm/rxvt ESC [ number ~ */ + case '[11~': key.name = 'f1'; break; + case '[12~': key.name = 'f2'; break; + case '[13~': key.name = 'f3'; break; + case '[14~': key.name = 'f4'; break; + + /* from Cygwin and used in libuv */ + case '[[A': key.name = 'f1'; break; + case '[[B': key.name = 'f2'; break; + case '[[C': key.name = 'f3'; break; + case '[[D': key.name = 'f4'; break; + case '[[E': key.name = 'f5'; break; + + /* common */ + case '[15~': key.name = 'f5'; break; + case '[17~': key.name = 'f6'; break; + case '[18~': key.name = 'f7'; break; + case '[19~': key.name = 'f8'; break; + case '[20~': key.name = 'f9'; break; + case '[21~': key.name = 'f10'; break; + case '[23~': key.name = 'f11'; break; + case '[24~': key.name = 'f12'; break; + + /* xterm ESC [ letter */ + case '[A': key.name = 'up'; break; + case '[B': key.name = 'down'; break; + case '[C': key.name = 'right'; break; + case '[D': key.name = 'left'; break; + case '[E': key.name = 'clear'; break; + case '[F': key.name = 'end'; break; + case '[H': key.name = 'home'; break; + + /* xterm/gnome ESC O letter */ + case 'OA': key.name = 'up'; break; + case 'OB': key.name = 'down'; break; + case 'OC': key.name = 'right'; break; + case 'OD': key.name = 'left'; break; + case 'OE': key.name = 'clear'; break; + case 'OF': key.name = 'end'; break; + case 'OH': key.name = 'home'; break; + + /* xterm/rxvt ESC [ number ~ */ + case '[1~': key.name = 'home'; break; + case '[2~': key.name = 'insert'; break; + case '[3~': key.name = 'delete'; break; + case '[4~': key.name = 'end'; break; + case '[5~': key.name = 'pageup'; break; + case '[6~': key.name = 'pagedown'; break; + + /* putty */ + case '[[5~': key.name = 'pageup'; break; + case '[[6~': key.name = 'pagedown'; break; + + /* rxvt */ + case '[7~': key.name = 'home'; break; + case '[8~': key.name = 'end'; break; + + /* rxvt keys with modifiers */ + case '[a': key.name = 'up'; key.shift = true; break; + case '[b': key.name = 'down'; key.shift = true; break; + case '[c': key.name = 'right'; key.shift = true; break; + case '[d': key.name = 'left'; key.shift = true; break; + case '[e': key.name = 'clear'; key.shift = true; break; + + case '[2$': key.name = 'insert'; key.shift = true; break; + case '[3$': key.name = 'delete'; key.shift = true; break; + case '[5$': key.name = 'pageup'; key.shift = true; break; + case '[6$': key.name = 'pagedown'; key.shift = true; break; + case '[7$': key.name = 'home'; key.shift = true; break; + case '[8$': key.name = 'end'; key.shift = true; break; + + case 'Oa': key.name = 'up'; key.ctrl = true; break; + case 'Ob': key.name = 'down'; key.ctrl = true; break; + case 'Oc': key.name = 'right'; key.ctrl = true; break; + case 'Od': key.name = 'left'; key.ctrl = true; break; + case 'Oe': key.name = 'clear'; key.ctrl = true; break; + + case '[2^': key.name = 'insert'; key.ctrl = true; break; + case '[3^': key.name = 'delete'; key.ctrl = true; break; + case '[5^': key.name = 'pageup'; key.ctrl = true; break; + case '[6^': key.name = 'pagedown'; key.ctrl = true; break; + case '[7^': key.name = 'home'; key.ctrl = true; break; + case '[8^': key.name = 'end'; key.ctrl = true; break; + + /* misc. */ + case '[Z': key.name = 'tab'; key.shift = true; break; + default: key.name = 'undefined'; break; + } + } else if (ch === '\r') { + // carriage return + key.name = 'return'; + } else if (ch === '\n') { + // enter, should have been called linefeed + key.name = 'enter'; + } else if (ch === '\t') { + // tab + key.name = 'tab'; + } else if (ch === '\b' || ch === '\x7f') { + // backspace or ctrl+h + key.name = 'backspace'; + key.meta = escaped; + } else if (ch === '\x1b') { + // escape key + key.name = 'escape'; + key.meta = escaped; + } else if (ch === ' ') { + key.name = 'space'; + key.meta = escaped; + } else if (!escaped && ch <= '\x1a') { + // ctrl+letter + key.name = String.fromCharCode(ch.charCodeAt(0) + 'a'.charCodeAt(0) - 1); + key.ctrl = true; + } else if (/^[0-9A-Za-z]$/.test(ch)) { + // letter, number, shift+letter + key.name = ch.toLowerCase(); + key.shift = /^[A-Z]$/.test(ch); + key.meta = escaped; + } + + key.sequence = s; + + if (key.name !== undefined) { + /* Named character or sequence */ + stream.emit('keypress', escaped ? undefined : s, key); + } else if (s.length === 1) { + /* Single unnamed character, e.g. "." */ + stream.emit('keypress', s); + } else { + /* Unrecognized or broken escape sequence, don't emit anything */ + } + } +} diff --git a/lib/readline.js b/lib/readline.js index 1dbc81d006383c..adfb305fb0baa8 100644 --- a/lib/readline.js +++ b/lib/readline.js @@ -13,6 +13,11 @@ const internalUtil = require('internal/util'); const inherits = util.inherits; const Buffer = require('buffer').Buffer; const EventEmitter = require('events'); +const internalReadline = require('internal/readline'); +const emitKeys = internalReadline.emitKeys; +const getStringWidth = internalReadline.getStringWidth; +const isFullWidthCodePoint = internalReadline.isFullWidthCodePoint; +const stripVTControlCharacters = internalReadline.stripVTControlCharacters; exports.createInterface = function(input, output, completer, terminal) { @@ -121,7 +126,7 @@ function Interface(input, output, completer, terminal) { } else { - exports.emitKeypressEvents(input); + emitKeypressEvents(input); // input usually refers to stdin input.on('keypress', onkeypress); @@ -947,316 +952,6 @@ function emitKeypressEvents(stream) { } exports.emitKeypressEvents = emitKeypressEvents; -/* - Some patterns seen in terminal key escape codes, derived from combos seen - at http://www.midnight-commander.org/browser/lib/tty/key.c - - ESC letter - ESC [ letter - ESC [ modifier letter - ESC [ 1 ; modifier letter - ESC [ num char - ESC [ num ; modifier char - ESC O letter - ESC O modifier letter - ESC O 1 ; modifier letter - ESC N letter - ESC [ [ num ; modifier char - ESC [ [ 1 ; modifier letter - ESC ESC [ num char - ESC ESC O letter - - - char is usually ~ but $ and ^ also happen with rxvt - - modifier is 1 + - (shift * 1) + - (left_alt * 2) + - (ctrl * 4) + - (right_alt * 8) - - two leading ESCs apparently mean the same as one leading ESC -*/ - -// Regexes used for ansi escape code splitting -const metaKeyCodeReAnywhere = /(?:\x1b)([a-zA-Z0-9])/; -const functionKeyCodeReAnywhere = new RegExp('(?:\x1b+)(O|N|\\[|\\[\\[)(?:' + [ - '(\\d+)(?:;(\\d+))?([~^$])', - '(?:M([@ #!a`])(.)(.))', // mouse - '(?:1;)?(\\d+)?([a-zA-Z])' -].join('|') + ')'); - - -function* emitKeys(stream) { - while (true) { - var ch = yield; - var s = ch; - var escaped = false; - var key = { - sequence: null, - name: undefined, - ctrl: false, - meta: false, - shift: false - }; - - if (ch === '\x1b') { - escaped = true; - s += (ch = yield); - - if (ch === '\x1b') { - s += (ch = yield); - } - } - - if (escaped && (ch === 'O' || ch === '[')) { - // ansi escape sequence - var code = ch; - var modifier = 0; - - if (ch === 'O') { - // ESC O letter - // ESC O modifier letter - s += (ch = yield); - - if (ch >= '0' && ch <= '9') { - modifier = (ch >> 0) - 1; - s += (ch = yield); - } - - code += ch; - - } else if (ch === '[') { - // ESC [ letter - // ESC [ modifier letter - // ESC [ [ modifier letter - // ESC [ [ num char - s += (ch = yield); - - if (ch === '[') { - // \x1b[[A - // ^--- escape codes might have a second bracket - code += ch; - s += (ch = yield); - } - - /* - * Here and later we try to buffer just enough data to get - * a complete ascii sequence. - * - * We have basically two classes of ascii characters to process: - * - * - * 1. `\x1b[24;5~` should be parsed as { code: '[24~', modifier: 5 } - * - * This particular example is featuring Ctrl+F12 in xterm. - * - * - `;5` part is optional, e.g. it could be `\x1b[24~` - * - first part can contain one or two digits - * - * So the generic regexp is like /^\d\d?(;\d)?[~^$]$/ - * - * - * 2. `\x1b[1;5H` should be parsed as { code: '[H', modifier: 5 } - * - * This particular example is featuring Ctrl+Home in xterm. - * - * - `1;5` part is optional, e.g. it could be `\x1b[H` - * - `1;` part is optional, e.g. it could be `\x1b[5H` - * - * So the generic regexp is like /^((\d;)?\d)?[A-Za-z]$/ - * - */ - const cmdStart = s.length - 1; - - // skip one or two leading digits - if (ch >= '0' && ch <= '9') { - s += (ch = yield); - - if (ch >= '0' && ch <= '9') { - s += (ch = yield); - } - } - - // skip modifier - if (ch === ';') { - s += (ch = yield); - - if (ch >= '0' && ch <= '9') { - s += (ch = yield); - } - } - - /* - * We buffered enough data, now trying to extract code - * and modifier from it - */ - const cmd = s.slice(cmdStart); - var match; - - if ((match = cmd.match(/^(\d\d?)(;(\d))?([~^$])$/))) { - code += match[1] + match[4]; - modifier = (match[3] || 1) - 1; - } else if ((match = cmd.match(/^((\d;)?(\d))?([A-Za-z])$/))) { - code += match[4]; - modifier = (match[3] || 1) - 1; - } else { - code += cmd; - } - } - - // Parse the key modifier - key.ctrl = !!(modifier & 4); - key.meta = !!(modifier & 10); - key.shift = !!(modifier & 1); - key.code = code; - - // Parse the key itself - switch (code) { - /* xterm/gnome ESC O letter */ - case 'OP': key.name = 'f1'; break; - case 'OQ': key.name = 'f2'; break; - case 'OR': key.name = 'f3'; break; - case 'OS': key.name = 'f4'; break; - - /* xterm/rxvt ESC [ number ~ */ - case '[11~': key.name = 'f1'; break; - case '[12~': key.name = 'f2'; break; - case '[13~': key.name = 'f3'; break; - case '[14~': key.name = 'f4'; break; - - /* from Cygwin and used in libuv */ - case '[[A': key.name = 'f1'; break; - case '[[B': key.name = 'f2'; break; - case '[[C': key.name = 'f3'; break; - case '[[D': key.name = 'f4'; break; - case '[[E': key.name = 'f5'; break; - - /* common */ - case '[15~': key.name = 'f5'; break; - case '[17~': key.name = 'f6'; break; - case '[18~': key.name = 'f7'; break; - case '[19~': key.name = 'f8'; break; - case '[20~': key.name = 'f9'; break; - case '[21~': key.name = 'f10'; break; - case '[23~': key.name = 'f11'; break; - case '[24~': key.name = 'f12'; break; - - /* xterm ESC [ letter */ - case '[A': key.name = 'up'; break; - case '[B': key.name = 'down'; break; - case '[C': key.name = 'right'; break; - case '[D': key.name = 'left'; break; - case '[E': key.name = 'clear'; break; - case '[F': key.name = 'end'; break; - case '[H': key.name = 'home'; break; - - /* xterm/gnome ESC O letter */ - case 'OA': key.name = 'up'; break; - case 'OB': key.name = 'down'; break; - case 'OC': key.name = 'right'; break; - case 'OD': key.name = 'left'; break; - case 'OE': key.name = 'clear'; break; - case 'OF': key.name = 'end'; break; - case 'OH': key.name = 'home'; break; - - /* xterm/rxvt ESC [ number ~ */ - case '[1~': key.name = 'home'; break; - case '[2~': key.name = 'insert'; break; - case '[3~': key.name = 'delete'; break; - case '[4~': key.name = 'end'; break; - case '[5~': key.name = 'pageup'; break; - case '[6~': key.name = 'pagedown'; break; - - /* putty */ - case '[[5~': key.name = 'pageup'; break; - case '[[6~': key.name = 'pagedown'; break; - - /* rxvt */ - case '[7~': key.name = 'home'; break; - case '[8~': key.name = 'end'; break; - - /* rxvt keys with modifiers */ - case '[a': key.name = 'up'; key.shift = true; break; - case '[b': key.name = 'down'; key.shift = true; break; - case '[c': key.name = 'right'; key.shift = true; break; - case '[d': key.name = 'left'; key.shift = true; break; - case '[e': key.name = 'clear'; key.shift = true; break; - - case '[2$': key.name = 'insert'; key.shift = true; break; - case '[3$': key.name = 'delete'; key.shift = true; break; - case '[5$': key.name = 'pageup'; key.shift = true; break; - case '[6$': key.name = 'pagedown'; key.shift = true; break; - case '[7$': key.name = 'home'; key.shift = true; break; - case '[8$': key.name = 'end'; key.shift = true; break; - - case 'Oa': key.name = 'up'; key.ctrl = true; break; - case 'Ob': key.name = 'down'; key.ctrl = true; break; - case 'Oc': key.name = 'right'; key.ctrl = true; break; - case 'Od': key.name = 'left'; key.ctrl = true; break; - case 'Oe': key.name = 'clear'; key.ctrl = true; break; - - case '[2^': key.name = 'insert'; key.ctrl = true; break; - case '[3^': key.name = 'delete'; key.ctrl = true; break; - case '[5^': key.name = 'pageup'; key.ctrl = true; break; - case '[6^': key.name = 'pagedown'; key.ctrl = true; break; - case '[7^': key.name = 'home'; key.ctrl = true; break; - case '[8^': key.name = 'end'; key.ctrl = true; break; - - /* misc. */ - case '[Z': key.name = 'tab'; key.shift = true; break; - default: key.name = 'undefined'; break; - } - - } else if (ch === '\r') { - // carriage return - key.name = 'return'; - - } else if (ch === '\n') { - // enter, should have been called linefeed - key.name = 'enter'; - - } else if (ch === '\t') { - // tab - key.name = 'tab'; - - } else if (ch === '\b' || ch === '\x7f') { - // backspace or ctrl+h - key.name = 'backspace'; - key.meta = escaped; - - } else if (ch === '\x1b') { - // escape key - key.name = 'escape'; - key.meta = escaped; - - } else if (ch === ' ') { - key.name = 'space'; - key.meta = escaped; - - } else if (!escaped && ch <= '\x1a') { - // ctrl+letter - key.name = String.fromCharCode(ch.charCodeAt(0) + 'a'.charCodeAt(0) - 1); - key.ctrl = true; - - } else if (/^[0-9A-Za-z]$/.test(ch)) { - // letter, number, shift+letter - key.name = ch.toLowerCase(); - key.shift = /^[A-Z]$/.test(ch); - key.meta = escaped; - } - - key.sequence = s; - - if (key.name !== undefined) { - /* Named character or sequence */ - stream.emit('keypress', escaped ? undefined : s, key); - } else if (s.length === 1) { - /* Single unnamed character, e.g. "." */ - stream.emit('keypress', s); - } else { - /* Unrecognized or broken escape sequence, don't emit anything */ - } - } -} - /** * moves the cursor to the x and y coordinate on the given stream @@ -1342,77 +1037,6 @@ function clearScreenDown(stream) { exports.clearScreenDown = clearScreenDown; -/** - * Returns the number of columns required to display the given string. - */ - -function getStringWidth(str) { - var width = 0; - str = stripVTControlCharacters(str); - for (var i = 0, len = str.length; i < len; i++) { - var code = str.codePointAt(i); - if (code >= 0x10000) { // surrogates - i++; - } - if (isFullWidthCodePoint(code)) { - width += 2; - } else { - width++; - } - } - return width; -} -exports.getStringWidth = getStringWidth; - - -/** - * Returns true if the character represented by a given - * Unicode code point is full-width. Otherwise returns false. - */ - -function isFullWidthCodePoint(code) { - if (isNaN(code)) { - return false; - } - - // Code points are derived from: - // http://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt - if (code >= 0x1100 && ( - code <= 0x115f || // Hangul Jamo - 0x2329 === code || // LEFT-POINTING ANGLE BRACKET - 0x232a === code || // RIGHT-POINTING ANGLE BRACKET - // CJK Radicals Supplement .. Enclosed CJK Letters and Months - (0x2e80 <= code && code <= 0x3247 && code !== 0x303f) || - // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A - 0x3250 <= code && code <= 0x4dbf || - // CJK Unified Ideographs .. Yi Radicals - 0x4e00 <= code && code <= 0xa4c6 || - // Hangul Jamo Extended-A - 0xa960 <= code && code <= 0xa97c || - // Hangul Syllables - 0xac00 <= code && code <= 0xd7a3 || - // CJK Compatibility Ideographs - 0xf900 <= code && code <= 0xfaff || - // Vertical Forms - 0xfe10 <= code && code <= 0xfe19 || - // CJK Compatibility Forms .. Small Form Variants - 0xfe30 <= code && code <= 0xfe6b || - // Halfwidth and Fullwidth Forms - 0xff01 <= code && code <= 0xff60 || - 0xffe0 <= code && code <= 0xffe6 || - // Kana Supplement - 0x1b000 <= code && code <= 0x1b001 || - // Enclosed Ideographic Supplement - 0x1f200 <= code && code <= 0x1f251 || - // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane - 0x20000 <= code && code <= 0x3fffd)) { - return true; - } - return false; -} -exports.isFullWidthCodePoint = isFullWidthCodePoint; - - /** * Returns the Unicode code point for the character at the * given index in the given string. Similar to String.charCodeAt(), @@ -1435,12 +1059,14 @@ exports.codePointAt = internalUtil.deprecate(codePointAt, 'Use String.prototype.codePointAt instead.'); -/** - * Tries to remove all VT control characters. Use to estimate displayed - * string width. May be buggy due to not running a real state machine - */ -function stripVTControlCharacters(str) { - str = str.replace(new RegExp(functionKeyCodeReAnywhere.source, 'g'), ''); - return str.replace(new RegExp(metaKeyCodeReAnywhere.source, 'g'), ''); -} -exports.stripVTControlCharacters = stripVTControlCharacters; +exports.getStringWidth = internalUtil.deprecate(getStringWidth, + 'getStringWidth is deprecated and will be removed.'); + + +exports.isFullWidthCodePoint = internalUtil.deprecate(isFullWidthCodePoint, + 'isFullWidthCodePoint is deprecated and will be removed.'); + + +exports.stripVTControlCharacters = internalUtil.deprecate( + stripVTControlCharacters, + 'stripVTControlCharacters is deprecated and will be removed.'); diff --git a/node.gyp b/node.gyp index 7a8c29b6fd8476..6739c02fbcaba8 100644 --- a/node.gyp +++ b/node.gyp @@ -73,6 +73,7 @@ 'lib/internal/freelist.js', 'lib/internal/linkedlist.js', 'lib/internal/module.js', + 'lib/internal/readline.js', 'lib/internal/repl.js', 'lib/internal/socket_list.js', 'lib/internal/util.js',