265 lines
5.9 KiB
HTML
265 lines
5.9 KiB
HTML
<!DOCTYPE html>
|
|
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>DocStrap Source: query-parser.js</title>
|
|
|
|
<!--[if lt IE 9]>
|
|
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
|
|
<![endif]-->
|
|
<link type="text/css" rel="stylesheet" href="styles/sunlight.default.css">
|
|
|
|
<link type="text/css" rel="stylesheet" href="styles/site.cosmo.css">
|
|
|
|
</head>
|
|
|
|
<body>
|
|
<div class="container-fluid">
|
|
<div class="navbar navbar-fixed-top navbar-inverse">
|
|
<div class="navbar-inner">
|
|
<a class="brand" href="index.html">DocStrap</a>
|
|
<ul class="nav">
|
|
|
|
<li class="dropdown">
|
|
<a href="modules.list.html" class="dropdown-toggle" data-toggle="dropdown">Modules<b
|
|
class="caret"></b></a>
|
|
|
|
<ul class="dropdown-menu ">
|
|
|
|
<li>
|
|
<a href="module-adapter.html">adapter</a>
|
|
</li>
|
|
|
|
<li>
|
|
<a href="module-driver.html">driver</a>
|
|
</li>
|
|
|
|
<li>
|
|
<a href="module-helpers.html">helpers</a>
|
|
</li>
|
|
|
|
<li>
|
|
<a href="module-node-query.html">node-query</a>
|
|
</li>
|
|
|
|
<li>
|
|
<a href="module-query-builder.html">query-builder</a>
|
|
</li>
|
|
|
|
<li>
|
|
<a href="module-query-parser.html">query-parser</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</li>
|
|
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="row-fluid">
|
|
|
|
|
|
<div class="span12">
|
|
|
|
<div id="main">
|
|
|
|
|
|
|
|
<h1 class="page-title">Source: query-parser.js</h1>
|
|
|
|
<section>
|
|
<article>
|
|
<pre
|
|
class="sunlight-highlight-javascript linenums">'use strict';
|
|
|
|
var helpers = require('./helpers');
|
|
|
|
var matchPatterns = {
|
|
'function': /([a-zA-Z0-9_]+\((.*?)\))/i,
|
|
identifier: /([a-zA-Z0-9_\-]+\.?)+/ig,
|
|
operator: /\=|AND|&&?|~|\|\|?|\^|\/|>=?|<=?|-|%|OR|\+|NOT|\!=?|<>|XOR/i
|
|
};
|
|
|
|
// Full pattern for determining ordering of the pieces
|
|
matchPatterns.combined = new RegExp(matchPatterns['function'].source + "+|"
|
|
+ matchPatterns.identifier.source
|
|
+ '|(' + matchPatterns.operator.source + ')+', 'ig');
|
|
|
|
var filterMatches = function(array) {
|
|
var output = [];
|
|
|
|
// Return non-array matches
|
|
if (helpers.isScalar(array) || helpers.isNull(array) || helpers.isUndefined(array)) return output;
|
|
|
|
array.forEach(function(item) {
|
|
if ( ! helpers.isUndefined(item))
|
|
{
|
|
output.push(item);
|
|
}
|
|
});
|
|
|
|
return output;
|
|
};
|
|
|
|
var parseJoin = function(sql) {
|
|
var matches = {};
|
|
var output = {};
|
|
|
|
// Get clause components
|
|
matches['function'] = sql.match(matchPatterns['function']);
|
|
matches.identifiers = sql.match(matchPatterns.identifier);
|
|
matches.operators = sql.match(matchPatterns.operator);
|
|
|
|
// Get everything at once for ordering
|
|
matches.combined = sql.match(matchPatterns.combined);
|
|
|
|
// Flatten the matches to increase relevance
|
|
Object.keys(matches).forEach(function(key) {
|
|
output[key] = filterMatches(matches[key]);
|
|
});
|
|
|
|
return output;
|
|
};
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
* @constructor
|
|
* @param {Driver} - The driver object for the database in use
|
|
* @module query-parser
|
|
*/
|
|
var QueryParser = function(driver) {
|
|
|
|
// That 'new' keyword is annoying
|
|
if ( ! (this instanceof QueryParser)) return new QueryParser(driver);
|
|
|
|
/**
|
|
* Return the output of the parsing of the join condition
|
|
*
|
|
* @param {String} condition - The join condition to evalate
|
|
* @return {String} - The parsed/escaped join condition
|
|
*/
|
|
this.compileJoin = function(condition) {
|
|
var parts = parseJoin(condition);
|
|
var count = parts.identifiers.length;
|
|
var i;
|
|
|
|
// Quote the identifiers
|
|
parts.combined.forEach(function(part, i) {
|
|
if (parts.identifiers.indexOf(part) !== -1 && ! helpers.isNumber(part))
|
|
{
|
|
parts.combined[i] = driver.quoteIdentifiers(part);
|
|
}
|
|
});
|
|
|
|
return parts.combined.join('');
|
|
};
|
|
};
|
|
|
|
module.exports = QueryParser;
|
|
</pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
<div class="clearfix"></div>
|
|
<footer>
|
|
|
|
|
|
<span class="copyright">
|
|
DocStrap Copyright © 2012-2014 The contributors to the JSDoc3 and DocStrap projects.
|
|
</span>
|
|
<br />
|
|
|
|
<span class="jsdoc-message">
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-alpha9</a>
|
|
on Tue Oct 28th 2014 using the <a
|
|
href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
|
|
</span>
|
|
</footer>
|
|
</div>
|
|
|
|
|
|
<br clear="both">
|
|
</div>
|
|
|
|
</div>
|
|
<!--<script src="scripts/sunlight.js"></script>-->
|
|
<script src="scripts/docstrap.lib.js"></script>
|
|
<script src="scripts/bootstrap-dropdown.js"></script>
|
|
<script src="scripts/toc.js"></script>
|
|
|
|
<script>
|
|
$( function () {
|
|
$( "[id*='$']" ).each( function () {
|
|
var $this = $( this );
|
|
|
|
$this.attr( "id", $this.attr( "id" ).replace( "$", "__" ) );
|
|
} );
|
|
|
|
$( "#toc" ).toc( {
|
|
anchorName : function ( i, heading, prefix ) {
|
|
return $( heading ).attr( "id" ) || ( prefix + i );
|
|
},
|
|
selectors : "h1,h2,h3,h4",
|
|
showAndHide : false,
|
|
scrollTo : "100px"
|
|
} );
|
|
|
|
$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
|
|
$( "#main span[id^='toc']" ).addClass( "toc-shim" );
|
|
$( '.dropdown-toggle' ).dropdown();
|
|
// $( ".tutorial-section pre, .readme-section pre" ).addClass( "sunlight-highlight-javascript" ).addClass( "linenums" );
|
|
|
|
$( ".tutorial-section pre, .readme-section pre" ).each( function () {
|
|
var $this = $( this );
|
|
|
|
var example = $this.find( "code" );
|
|
exampleText = example.html();
|
|
var lang = /{@lang (.*?)}/.exec( exampleText );
|
|
if ( lang && lang[1] ) {
|
|
exampleText = exampleText.replace( lang[0], "" );
|
|
example.html( exampleText );
|
|
lang = lang[1];
|
|
} else {
|
|
lang = "javascript";
|
|
}
|
|
|
|
if ( lang ) {
|
|
|
|
$this
|
|
.addClass( "sunlight-highlight-" + lang )
|
|
.addClass( "linenums" )
|
|
.html( example.html() );
|
|
|
|
}
|
|
} );
|
|
|
|
Sunlight.highlightAll( {
|
|
lineNumbers : true,
|
|
showMenu : true,
|
|
enableDoclinks : true
|
|
} );
|
|
} );
|
|
</script>
|
|
|
|
|
|
|
|
<!--Navigation and Symbol Display-->
|
|
|
|
|
|
|
|
<!--Google Analytics-->
|
|
|
|
|
|
</body>
|
|
</html>
|