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parser.html
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parser.html
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<!DOCTYPE html>
<html>
<head>
<title>JSQ Parser</title>
<style type="text/css">
input[type="text"] {
border: 1px solid #C0C0C0;
font-size: 14px;
margin: 0;
padding: 5px 3px;
width: 100%;
-webkit-box-sizing: border-box;
}
input[type="text"]:focus {
outline: none;
}
#lexer span,
#parser span {
border: 1px solid #000;
font-family: 'Courier New';
font-size: 12px;
padding: 1px 2px;
}
#lexer span.op_uny,
#lexer span.op_arm,
#lexer span.op_cmp,
#lexer span.op_ass,
#lexer span.ctl {
background-color: deepskyblue;
}
#lexer span.vrb {
background-color: orchid;
}
#lexer span.id {
background-color: yellow;
}
#lexer span.bln,
#lexer span.nil,
#lexer span.udf,
#lexer span.itg,
#lexer span.flt {
background-color: orangered;
}
#lexer span.str {
background-color: orange;
}
#lexer span.wsp,
#lexer span.eof {
background-color: mistyrose;
}
#parser span.error {
background-color: lightpink;
border: 1px solid firebrick;
color: firebrick;
}
#lexer {
margin-bottom: 20px;
}
#parser {
font-family: Helvetica, sans-serif;
font-size: 10px;
overflow: hidden;
padding: 2px 0px;
}
#parser .block {
background-color: #FFF;
border: 1px solid gray;
border-radius: 5px;
display: inline-block;
overflow: hidden;
vertical-align: center;
}
#parser .block.over {
background-color: #C1CEF2;
}
#parser .block.over > h3 {
background-color: #839CE6;
}
#parser .block h3 {
background-color: lightgray;
border-bottom: 1px solid gray;
color: #000;
font-size: 11px;
font-weight: 700;
margin: 0px;
padding: 2px 5px;
}
#parser .block p,
#parser .block span {
background-color: lightgray;
border: 1px solid blue;
font-size: 14px;
font-weight: bold;
margin: 2px 5px;
padding: 1px 2px;
}
#parser .block p {
float: left;
}
#parser .block .block {
margin: 5px;
}
#split {
overflow: hidden;
margin: 10px -8px;
}
#split > div {
box-sizing: border-box;
padding: 0px 10px;
}
div.bar {
font-size: 12px;
font-family: Helvetica;
height: 25px;
line-height: 25px;
text-align: right;
}
#input,
#output {
border: 1px solid black;
width: 100%;
height: 500px;
margin: 0;
padding: 0;
}
#input {
position: relative !important;
}
#output {
font-family: Monaco, Menlo, 'Ubuntu Mono', Consolas, source-code-pro, monospace;
font-size: 12px;
overflow: auto;
}
#inputContainer {
float: left;
overflow: hidden;
width: 50%;
}
#outputContainer {
float: left;
width: 50%;
}
</style>
</head>
<body>
<input type="text" id="query"/>
<div id="lexer"></div>
<div id="parser">
<div class="block"></div>
</div>
<div id="split">
<div id="inputContainer">
<div class="bar">
Bookmarks: <select id="bookmarks"></select>
</div>
<div id="input"></div>
</div>
<div id="outputContainer">
<div class="bar">
<span id="timer"></span> milliseconds
</div>
<div id="output"></div>
</div>
</div>
<div style="display: none;" id="bookmarkData">
<div data-name="Simple Object">{
"first": 1,
"second": 2,
"third": 3,
"fourth": [1,2,3,4,5,6,7,8],
"fifth": {
"foo": "bar",
"bar": 2
},
"sixth": ["foo"]
}</div>
<div data-name="Multiple Object">[
{
"first": 1,
"second": 2,
"third": 3
}, {
"first": 4,
"second": 5
}
]</div>
<div data-name="Recursive Object">{
"name": "/", "children": [{
"name": "/bin", "children": [
{"name": "/bin/ls", "children": []},
{"name": "/bin/sh", "children": []}
]
}, {
"name": "/home", "children": [{
"name": "/home/daan", "children": [
{"name": "/home/daan/jsq", "children": []}
]
}]
}]
}</div>
<div data-name="Simple Array">[1,2,3,4,5,6]</div>
</div>
<script src="ace/src-min-noconflict/ace.js"></script>
<script>
var editor = ace.edit("input");
editor.getSession().setMode("ace/mode/json");
editor.setShowPrintMargin(false);
</script>
<script type="text/javascript" src="zepto.js"></script>
<script type="text/javascript" src="jsq.js"></script>
<script type="text/javascript">
var input = document.getElementById('query'),
lexer = document.getElementById('lexer'),
bookmarks = $('#bookmarks'),
// Global parser object, is assigned in keyup event
parser;
// Bring bookmarks to life
var _bookmarks = [];
$('#bookmarkData > div').each(function( i, item ) {
_bookmarks.push(item.innerHTML);
bookmarks.append('<option value='+i+'>'+item.getAttribute('data-name')+'</option>');
});
bookmarks.on('change', function() {
editor.getSession().setValue( _bookmarks[this.value] );
input.onkeyup({target:input}, true);
});
editor.getSession().setValue(_bookmarks[0]);
// Get reference to element used to display parser blocks
var blockEl = $('.block');
blockEl.remove();
$('#parser').on('mouseover', '.block', function() {
return !$(this).addClass('over');
}).on('mouseout', '.block', function() {
return !$(this).removeClass('over');
});
input.focus();
input.onkeyup = function( event, force ) {
if( event.keyCode == 27 ) {
input.value = '';
} else if( event.keyCode != 13 && !force) {
return;
}
_updateHash();
lexer.innerHTML = '';
try {
var query = event.target.value,
tokens = new jsq.Lexer(query),
token;
// Lexer
while( token = tokens.current() ) {
var type = _type(token.type);
lexer.innerHTML += '<span class='+type+'>'+token.val+'</span>';
tokens.next();
}
if( lexer.innerHTML )
lexer.innerHTML += '<span class=eof><EOF></span>';
// Parser
var current = $('#parser');
current.empty();
(function( obj ) {
var branch = obj.tree || obj,
b = blockEl.clone();
// Global access
if( obj.tree )
parser = obj;
b.append('<h3>'+branch.name+'('+branch.index+')</h3>');
current.append(b);
current = b;
if( branch.children.length ) {
b.append(branch.val != null ?
'<span>'+branch.val+'</span>':
''
);
for(
var i=0, c=branch.children, l=c.length, e;
i<l && (e=c[i]);
i++
) {
b.append(arguments.callee(e));
}
} else {
b.append(branch.val != null ?
'<p>'+branch.val+'</p>':
''
);
}
return b;
})( (new jsq.Parser(query)).parse() );
} catch(e) {
$('#parser').html('<span class=error>'+e.toString()+'</span>');
}
// Query
try {
$('#output').empty();
var data = JSON.parse(editor.getSession().getValue() || null),
start = window.performance && performance.now() || +new Date;
window.output = jsq(data, query);
var end = window.performance && performance.now() || +new Date;
$('#timer').html((end-start).toFixed(3));
$('#output').html(JSON.stringify(output));
} catch(e) {
if( e.message )
throw e;
else
console.error(e);
}
};
// Auto-set input field and bookmarks dropdown
var hash = document.location.hash.substr(1).split('&');
if( hash.length > 1 ) {
bookmarks.val(hash.shift());
bookmarks.trigger('change');
input.value = hash.join('&');
}
input.onkeyup({target:input}, true);
function _type( typeId ) {
for( type in jsq.Lexer.tokenTypes ) {
if( jsq.Lexer.tokenTypes[type] == typeId )
return type;
}
return null;
}
function _updateHash() {
document.location.hash = bookmarks.val() +'&'+ input.value;
}
</script>
</body>
</html>