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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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<html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#"> |
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<head> |
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<meta http-equiv="content-type" content="text/html; charset=UTF-8" /> |
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<title>API: dom selector-css2.js (YUI Library)</title> |
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<link rel="stylesheet" type="text/css" href="assets/reset-fonts-grids-min.css" /> |
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<script type="text/javascript" src="assets/api-js"></script> |
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<script type="text/javascript" src="assets/ac-js"></script> |
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</head> |
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<body id="yahoo-com"> |
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<div id="doc3" class="yui-t2"> |
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<div id="hd"> |
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<h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1> |
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<h3>dom <span class="subtitle">3.0.0b1</span></h3> |
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<a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a> |
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> <a href="./module_dom.html" title="dom">dom</a> |
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> selector-css2.js (source view) |
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<form onsubmit="return false"> |
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<div id="propertysearch"> |
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Search: <input autocomplete="off" id="searchinput" /> |
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<div id="searchresults"> |
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</div> |
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</div> |
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</form> |
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<div id="bd"> |
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<div id="yui-main"> |
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<div class="yui-b"> |
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<form action="#" name="yui-classopts-form" method="get" id="yui-classopts-form"> |
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<fieldset> |
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<legend>Filters</legend> |
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<span class="classopts"><input type="checkbox" name="show_private" id="show_private" /> <label for="show_private">Show Private</label></span> |
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<span class="classopts"><input type="checkbox" name="show_protected" id="show_protected" /> <label for="show_protected">Show Protected</label></span> |
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<span class="classopts"><input type="checkbox" name="show_deprecated" id="show_deprecated" /> <label for="show_deprecated">Show Deprecated</label></span> |
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</fieldset> |
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</form> |
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<div id="srcout"> |
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<style> |
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#doc3 .classopts { display:none; } |
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</style> |
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<div class="highlight" ><pre><span class="c">/**</span> |
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<span class="c"> * The selector module provides helper methods allowing CSS2 Selectors to be used with DOM elements.</span> |
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<span class="c"> * @module dom</span> |
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<span class="c"> * @submodule selector-css2</span> |
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<span class="c"> * @for Selector</span> |
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<span class="c"> */</span> |
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<span class="c">/**</span> |
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<span class="c"> * Provides helper methods for collecting and filtering DOM elements.</span> |
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<span class="c"> */</span> |
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<span class="k">var</span> <span class="nx">PARENT_NODE</span> <span class="o">=</span> <span class="s1">'parentNode'</span><span class="o">,</span> |
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<span class="nx">TAG_NAME</span> <span class="o">=</span> <span class="s1">'tagName'</span><span class="o">,</span> |
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<span class="nx">ATTRIBUTES</span> <span class="o">=</span> <span class="s1">'attributes'</span><span class="o">,</span> |
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<span class="nx">COMBINATOR</span> <span class="o">=</span> <span class="s1">'combinator'</span><span class="o">,</span> |
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<span class="nx">PSEUDOS</span> <span class="o">=</span> <span class="s1">'pseudos'</span><span class="o">,</span> |
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<span class="nx">PREVIOUS</span> <span class="o">=</span> <span class="s1">'previous'</span><span class="o">,</span> |
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<span class="nx">PREVIOUS_SIBLING</span> <span class="o">=</span> <span class="s1">'previousSibling'</span><span class="o">,</span> |
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<span class="nx">_childCache</span> <span class="o">=</span> <span class="o">[],</span> <span class="c">// cache to cleanup expando node.children</span> |
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<span class="c"></span> |
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<span class="nx">Selector</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Selector</span><span class="o">,</span> |
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<span class="nx">SelectorCSS2</span> <span class="o">=</span> <span class="o">{</span> |
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<span class="nx">SORT_RESULTS</span><span class="o">:</span> <span class="kc">true</span><span class="o">,</span> |
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<span class="nx">_children</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span> |
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<span class="k">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="nx">node</span><span class="o">.</span><span class="nx">children</span><span class="o">,</span> |
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<span class="nx">i</span><span class="o">,</span> <span class="nx">n</span><span class="o">;</span> |
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<span class="k">if</span> <span class="o">(!</span><span class="nx">ret</span> <span class="o">&&</span> <span class="nx">node</span><span class="o">[</span><span class="nx">TAG_NAME</span><span class="o">])</span> <span class="o">{</span> <span class="c">// only HTMLElements have children</span> |
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<span class="c"></span> <span class="nx">ret</span> <span class="o">=</span> <span class="o">[];</span> |
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<span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">n</span><span class="o">;</span> <span class="nx">n</span> <span class="o">=</span> <span class="nx">node</span><span class="o">.</span><span class="nx">childNodes</span><span class="o">[</span><span class="nx">i</span><span class="o">++];)</span> <span class="o">{</span> |
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<span class="k">if</span> <span class="o">(</span><span class="nx">n</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span> |
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<span class="nx">ret</span><span class="o">[</span><span class="nx">ret</span><span class="o">.</span><span class="nx">length</span><span class="o">]</span> <span class="o">=</span> <span class="nx">n</span><span class="o">;</span> |
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<span class="o">}</span> |
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<span class="o">}</span> |
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<span class="nx">_childCache</span><span class="o">[</span><span class="nx">_childCache</span><span class="o">.</span><span class="nx">length</span><span class="o">]</span> <span class="o">=</span> <span class="nx">node</span><span class="o">;</span> |
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<span class="nx">node</span><span class="o">.</span><span class="nx">children</span> <span class="o">=</span> <span class="nx">ret</span><span class="o">;</span> |
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<span class="o">}</span> |
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<span class="k">return</span> <span class="nx">ret</span> <span class="o">||</span> <span class="o">[];</span> |
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<span class="o">},</span> |
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<span class="nx">_regexCache</span><span class="o">:</span> <span class="o">{},</span> |
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<span class="nx">_re</span><span class="o">:</span> <span class="o">{</span> |
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<span class="nx">attr</span><span class="o">:</span> <span class="sr">/(\[.*\])/g</span><span class="o">,</span> |
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<span class="nx">urls</span><span class="o">:</span> <span class="sr">/^(?:href|src)/</span> |
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<span class="o">},</span> |
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<span class="c">/**</span> |
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<span class="c"> * Mapping of shorthand tokens to corresponding attribute selector </span> |
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<span class="c"> * @property shorthand</span> |
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<span class="c"> * @type object</span> |
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<span class="c"> */</span> |
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<span class="nx">shorthand</span><span class="o">:</span> <span class="o">{</span> |
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<span class="s1">'\\#(-?[_a-z]+[-\\w]*)'</span><span class="o">:</span> <span class="s1">'[id=$1]'</span><span class="o">,</span> |
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<span class="s1">'\\.(-?[_a-z]+[-\\w]*)'</span><span class="o">:</span> <span class="s1">'[className~=$1]'</span> |
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<span class="o">},</span> |
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<span class="c">/**</span> |
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<span class="c"> * List of operators and corresponding boolean functions. </span> |
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<span class="c"> * These functions are passed the attribute and the current node's value of the attribute.</span> |
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<span class="c"> * @property operators</span> |
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<span class="c"> * @type object</span> |
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<span class="c"> */</span> |
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<span class="nx">operators</span><span class="o">:</span> <span class="o">{</span> |
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<span class="s1">''</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">m</span><span class="o">)</span> <span class="o">{</span> <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">DOM</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">m</span><span class="o">[</span><span class="m">0</span><span class="o">])</span> <span class="o">!==</span> <span class="s1">''</span><span class="o">;</span> <span class="o">},</span> <span class="c">// Just test for existence of attribute</span> |
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<span class="c"></span> <span class="c">//'': '.+',</span> |
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<span class="c"></span> <span class="s1">'='</span><span class="o">:</span> <span class="s1">'^{val}$'</span><span class="o">,</span> <span class="c">// equality</span> |
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<span class="c"></span> <span class="s1">'~='</span><span class="o">:</span> <span class="s1">'(?:^|\\s+){val}(?:\\s+|$)'</span><span class="o">,</span> <span class="c">// space-delimited</span> |
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<span class="c"></span> <span class="s1">'|='</span><span class="o">:</span> <span class="s1">'^{val}-?'</span> <span class="c">// optional hyphen-delimited</span> |
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<span class="c"></span> <span class="o">},</span> |
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<span class="nx">pseudos</span><span class="o">:</span> <span class="o">{</span> |
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<span class="s1">'first-child'</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span> |
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<span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">_children</span><span class="o">(</span><span class="nx">node</span><span class="o">[</span><span class="nx">PARENT_NODE</span><span class="o">])[</span><span class="m">0</span><span class="o">]</span> <span class="o">===</span> <span class="nx">node</span><span class="o">;</span> |
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<span class="o">}</span> |
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<span class="o">},</span> |
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<span class="nx">_brute</span><span class="o">:</span> <span class="o">{</span> |
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<span class="c">/**</span> |
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<span class="c"> * Retrieves a set of nodes based on a given CSS selector. </span> |
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<span class="c"> * @method query</span> |
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<span class="c"> *</span> |
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<span class="c"> * @param {string} selector The CSS Selector to test the node against.</span> |
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<span class="c"> * @param {HTMLElement} root optional An HTMLElement to start the query from. Defaults to Y.config.doc</span> |
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<span class="c"> * @param {Boolean} firstOnly optional Whether or not to return only the first match.</span> |
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<span class="c"> * @return {Array} An array of nodes that match the given selector.</span> |
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<span class="c"> * @static</span> |
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<span class="c"> */</span> |
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<span class="nx">query</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">selector</span><span class="o">,</span> <span class="nx">root</span><span class="o">,</span> <span class="nx">firstOnly</span><span class="o">)</span> <span class="o">{</span> |
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<span class="k">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="o">[];</span> |
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<span class="k">if</span> <span class="o">(</span><span class="nx">selector</span><span class="o">)</span> <span class="o">{</span> |
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<span class="nx">ret</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_query</span><span class="o">(</span><span class="nx">selector</span><span class="o">,</span> <span class="nx">root</span><span class="o">,</span> <span class="nx">firstOnly</span><span class="o">);</span> |
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<span class="o">}</span> |
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<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'query: '</span> <span class="o">+</span> <span class="nx">selector</span> <span class="o">+</span> <span class="s1">' returning: '</span> <span class="o">+</span> <span class="nx">ret</span><span class="o">.</span><span class="nx">length</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'Selector'</span><span class="o">);</span> |
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<span class="nx">Selector</span><span class="o">.</span><span class="nx">_cleanup</span><span class="o">();</span> |
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<span class="k">return</span> <span class="o">(</span><span class="nx">firstOnly</span><span class="o">)</span> <span class="o">?</span> <span class="o">(</span><span class="nx">ret</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">||</span> <span class="kc">null</span><span class="o">)</span> <span class="o">:</span> <span class="nx">ret</span><span class="o">;</span> |
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<span class="o">}</span> |
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<span class="o">},</span> |
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<span class="c">// TODO: make extensible? events?</span> |
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<span class="c"></span> <span class="nx">_cleanup</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
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<span class="k">for</span> <span class="o">(</span><span class="k">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">node</span><span class="o">;</span> <span class="nx">node</span> <span class="o">=</span> <span class="nx">_childCache</span><span class="o">[</span><span class="nx">i</span><span class="o">++];)</span> <span class="o">{</span> |
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<span class="nx">delete</span> <span class="nx">node</span><span class="o">.</span><span class="nx">children</span><span class="o">;</span> |
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<span class="o">}</span> |
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159 |
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<span class="nx">_childCache</span> <span class="o">=</span> <span class="o">[];</span> |
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<span class="o">},</span> |
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<span class="nx">_query</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">selector</span><span class="o">,</span> <span class="nx">root</span><span class="o">,</span> <span class="nx">firstOnly</span><span class="o">,</span> <span class="nx">deDupe</span><span class="o">)</span> <span class="o">{</span> |
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<span class="k">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="o">[],</span> |
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<span class="nx">groups</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">split</span><span class="o">(</span><span class="s1">','</span><span class="o">),</span> <span class="c">// TODO: handle comma in attribute/pseudo</span> |
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<span class="c"></span> <span class="nx">nodes</span> <span class="o">=</span> <span class="o">[],</span> |
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<span class="nx">tokens</span><span class="o">,</span> |
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<span class="nx">token</span><span class="o">,</span> |
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<span class="nx">i</span><span class="o">,</span> <span class="nx">len</span><span class="o">;</span> |
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<span class="k">if</span> <span class="o">(</span><span class="nx">groups</span><span class="o">.</span><span class="nx">length</span> <span class="o">></span> <span class="m">1</span><span class="o">)</span> <span class="o">{</span> |
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<span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">len</span> <span class="o">=</span> <span class="nx">groups</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">len</span><span class="o">;</span> <span class="o">++</span><span class="nx">i</span><span class="o">)</span> <span class="o">{</span> |
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<span class="nx">ret</span> <span class="o">=</span> <span class="nx">ret</span><span class="o">.</span><span class="nx">concat</span><span class="o">(</span><span class="nx">arguments</span><span class="o">.</span><span class="nx">callee</span><span class="o">(</span><span class="nx">groups</span><span class="o">[</span><span class="nx">i</span><span class="o">],</span> |
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<span class="nx">root</span><span class="o">,</span> <span class="nx">firstOnly</span><span class="o">,</span> <span class="kc">true</span><span class="o">));</span> |
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<span class="o">}</span> |
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<span class="nx">ret</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">SORT_RESULTS</span> <span class="o">?</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_sort</span><span class="o">(</span><span class="nx">ret</span><span class="o">)</span> <span class="o">:</span> <span class="nx">ret</span><span class="o">;</span> |
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<span class="nx">Selector</span><span class="o">.</span><span class="nx">_clearFoundCache</span><span class="o">();</span> |
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<span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
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<span class="nx">root</span> <span class="o">=</span> <span class="nx">root</span> <span class="o">||</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">doc</span><span class="o">;</span> |
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181 |
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182 |
<span class="k">if</span> <span class="o">(</span><span class="nx">root</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">!==</span> <span class="m">9</span><span class="o">)</span> <span class="o">{</span> <span class="c">// enforce element scope</span> |
|
|
183 |
<span class="c"></span> <span class="k">if</span> <span class="o">(!</span><span class="nx">root</span><span class="o">.</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span> |
|
|
184 |
<span class="nx">root</span><span class="o">.</span><span class="nx">id</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">guid</span><span class="o">();</span> |
|
|
185 |
<span class="o">}</span> |
|
|
186 |
<span class="c">// fast-path ID when possible</span> |
|
|
187 |
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">root</span><span class="o">.</span><span class="nx">ownerDocument</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">root</span><span class="o">.</span><span class="nx">id</span><span class="o">))</span> <span class="o">{</span> |
|
|
188 |
<span class="nx">selector</span> <span class="o">=</span> <span class="s1">'#'</span> <span class="o">+</span> <span class="nx">root</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">' '</span> <span class="o">+</span> <span class="nx">selector</span><span class="o">;</span> |
|
|
189 |
<span class="nx">root</span> <span class="o">=</span> <span class="nx">root</span><span class="o">.</span><span class="nx">ownerDocument</span><span class="o">;</span> |
|
|
190 |
|
|
|
191 |
<span class="o">}</span> |
|
|
192 |
<span class="o">}</span> |
|
|
193 |
|
|
|
194 |
<span class="nx">tokens</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_tokenize</span><span class="o">(</span><span class="nx">selector</span><span class="o">,</span> <span class="nx">root</span><span class="o">);</span> |
|
|
195 |
<span class="nx">token</span> <span class="o">=</span> <span class="nx">tokens</span><span class="o">.</span><span class="nx">pop</span><span class="o">();</span> |
|
|
196 |
|
|
|
197 |
<span class="k">if</span> <span class="o">(</span><span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
|
198 |
<span class="k">if</span> <span class="o">(</span><span class="nx">deDupe</span><span class="o">)</span> <span class="o">{</span> |
|
|
199 |
<span class="nx">token</span><span class="o">.</span><span class="nx">deDupe</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> <span class="c">// TODO: better approach?</span> |
|
|
200 |
<span class="c"></span> <span class="o">}</span> |
|
|
201 |
<span class="k">if</span> <span class="o">(</span><span class="nx">tokens</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">&&</span> <span class="nx">tokens</span><span class="o">[</span><span class="m">0</span><span class="o">].</span><span class="nx">id</span> <span class="o">&&</span> <span class="nx">root</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="m">9</span> <span class="o">&&</span> <span class="nx">root</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">tokens</span><span class="o">[</span><span class="m">0</span><span class="o">].</span><span class="nx">id</span><span class="o">))</span> <span class="o">{</span> |
|
|
202 |
<span class="nx">root</span> <span class="o">=</span> <span class="nx">root</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">tokens</span><span class="o">[</span><span class="m">0</span><span class="o">].</span><span class="nx">id</span><span class="o">);</span> |
|
|
203 |
<span class="o">}</span> |
|
|
204 |
|
|
|
205 |
<span class="c">// TODO: no prefilter for off-dom id</span> |
|
|
206 |
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">root</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">nodes</span><span class="o">.</span><span class="nx">length</span> <span class="o">&&</span> <span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span><span class="o">)</span> <span class="o">{</span> |
|
|
207 |
<span class="nx">nodes</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span><span class="o">(</span><span class="nx">root</span><span class="o">,</span> <span class="nx">token</span><span class="o">);</span> |
|
|
208 |
<span class="o">}</span> |
|
|
209 |
|
|
|
210 |
<span class="k">if</span> <span class="o">(</span><span class="nx">nodes</span><span class="o">.</span><span class="nx">length</span><span class="o">)</span> <span class="o">{</span> |
|
|
211 |
<span class="k">if</span> <span class="o">(</span><span class="nx">firstOnly</span><span class="o">)</span> <span class="o">{</span> |
|
|
212 |
<span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">.</span><span class="nx">some</span><span class="o">(</span><span class="nx">nodes</span><span class="o">,</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_testToken</span><span class="o">,</span> <span class="nx">token</span><span class="o">);</span> |
|
|
213 |
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
|
214 |
<span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">.</span><span class="nx">each</span><span class="o">(</span><span class="nx">nodes</span><span class="o">,</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_testToken</span><span class="o">,</span> <span class="nx">token</span><span class="o">);</span> |
|
|
215 |
<span class="o">}</span> |
|
|
216 |
<span class="o">}</span> |
|
|
217 |
<span class="nx">ret</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">result</span><span class="o">;</span> |
|
|
218 |
<span class="o">}</span> |
|
|
219 |
<span class="o">}</span> |
|
|
220 |
|
|
|
221 |
<span class="k">return</span> <span class="nx">ret</span><span class="o">;</span> |
|
|
222 |
<span class="o">},</span> |
|
|
223 |
|
|
|
224 |
<span class="nx">_testToken</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">index</span><span class="o">,</span> <span class="nx">nodes</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
|
225 |
<span class="nx">token</span> <span class="o">=</span> <span class="nx">token</span> <span class="o">||</span> <span class="k">this</span><span class="o">;</span> |
|
|
226 |
<span class="k">var</span> <span class="nx">tag</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">tag</span><span class="o">,</span> |
|
|
227 |
<span class="nx">previous</span> <span class="o">=</span> <span class="nx">token</span><span class="o">[</span><span class="nx">PREVIOUS</span><span class="o">],</span> |
|
|
228 |
<span class="nx">result</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">result</span><span class="o">,</span> |
|
|
229 |
<span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> |
|
|
230 |
<span class="nx">nextTest</span> <span class="o">=</span> <span class="nx">previous</span> <span class="o">&&</span> <span class="nx">previous</span><span class="o">[</span><span class="nx">COMBINATOR</span><span class="o">]</span> <span class="o">?</span> |
|
|
231 |
<span class="nx">Selector</span><span class="o">.</span><span class="nx">combinators</span><span class="o">[</span><span class="nx">previous</span><span class="o">[</span><span class="nx">COMBINATOR</span><span class="o">]]</span> <span class="o">:</span> |
|
|
232 |
<span class="kc">null</span><span class="o">,</span> |
|
|
233 |
<span class="nx">test</span><span class="o">,</span> |
|
|
234 |
<span class="nx">attr</span><span class="o">;</span> |
|
|
235 |
|
|
|
236 |
<span class="k">if</span> <span class="o">(</span><span class="c">//node[TAG_NAME] && // tagName limits to HTMLElements</span> |
|
|
237 |
<span class="c"></span> <span class="o">(</span><span class="nx">tag</span> <span class="o">===</span> <span class="s1">'*'</span> <span class="o">||</span> <span class="nx">tag</span> <span class="o">===</span> <span class="nx">node</span><span class="o">[</span><span class="nx">TAG_NAME</span><span class="o">])</span> <span class="o">&&</span> |
|
|
238 |
<span class="o">!(</span><span class="nx">token</span><span class="o">.</span><span class="nx">last</span> <span class="o">&&</span> <span class="nx">node</span><span class="o">.</span><span class="nx">_found</span><span class="o">)</span> <span class="o">)</span> <span class="o">{</span> |
|
|
239 |
<span class="k">while</span> <span class="o">((</span><span class="nx">attr</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">tests</span><span class="o">[</span><span class="nx">i</span><span class="o">]))</span> <span class="o">{</span> |
|
|
240 |
<span class="nx">i</span><span class="o">++;</span> |
|
|
241 |
<span class="nx">test</span> <span class="o">=</span> <span class="nx">attr</span><span class="o">.</span><span class="nx">test</span><span class="o">;</span> |
|
|
242 |
<span class="k">if</span> <span class="o">(</span><span class="nx">test</span><span class="o">.</span><span class="nx">test</span><span class="o">)</span> <span class="o">{</span> |
|
|
243 |
<span class="k">if</span> <span class="o">(!</span><span class="nx">test</span><span class="o">.</span><span class="nx">test</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">DOM</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">attr</span><span class="o">.</span><span class="nx">name</span><span class="o">)))</span> <span class="o">{</span> |
|
|
244 |
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
|
245 |
<span class="o">}</span> |
|
|
246 |
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(!</span><span class="nx">test</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">attr</span><span class="o">.</span><span class="nx">match</span><span class="o">))</span> <span class="o">{</span> |
|
|
247 |
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
|
248 |
<span class="o">}</span> |
|
|
249 |
<span class="o">}</span> |
|
|
250 |
|
|
|
251 |
<span class="k">if</span> <span class="o">(</span><span class="nx">nextTest</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">nextTest</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">token</span><span class="o">))</span> <span class="o">{</span> |
|
|
252 |
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
|
253 |
<span class="o">}</span> |
|
|
254 |
|
|
|
255 |
<span class="k">if</span> <span class="o">(</span><span class="nx">token</span><span class="o">.</span><span class="nx">root</span> <span class="o">&&</span> <span class="nx">token</span><span class="o">.</span><span class="nx">root</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">!==</span> <span class="m">9</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">Y</span><span class="o">.</span><span class="nx">DOM</span><span class="o">.</span><span class="nx">contains</span><span class="o">(</span><span class="nx">token</span><span class="o">.</span><span class="nx">root</span><span class="o">,</span> <span class="nx">node</span><span class="o">))</span> <span class="o">{</span> |
|
|
256 |
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
|
257 |
<span class="o">}</span> |
|
|
258 |
|
|
|
259 |
<span class="nx">result</span><span class="o">[</span><span class="nx">result</span><span class="o">.</span><span class="nx">length</span><span class="o">]</span> <span class="o">=</span> <span class="nx">node</span><span class="o">;</span> |
|
|
260 |
<span class="k">if</span> <span class="o">(</span><span class="nx">token</span><span class="o">.</span><span class="nx">deDupe</span> <span class="o">&&</span> <span class="nx">token</span><span class="o">.</span><span class="nx">last</span><span class="o">)</span> <span class="o">{</span> |
|
|
261 |
<span class="nx">node</span><span class="o">.</span><span class="nx">_found</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
|
262 |
<span class="nx">Selector</span><span class="o">.</span><span class="nx">_foundCache</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">node</span><span class="o">);</span> |
|
|
263 |
<span class="o">}</span> |
|
|
264 |
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span> |
|
|
265 |
<span class="o">}</span> |
|
|
266 |
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
|
267 |
<span class="o">},</span> |
|
|
268 |
|
|
|
269 |
|
|
|
270 |
<span class="nx">_getRegExp</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">str</span><span class="o">,</span> <span class="nx">flags</span><span class="o">)</span> <span class="o">{</span> |
|
|
271 |
<span class="k">var</span> <span class="nx">regexCache</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_regexCache</span><span class="o">;</span> |
|
|
272 |
<span class="nx">flags</span> <span class="o">=</span> <span class="nx">flags</span> <span class="o">||</span> <span class="s1">''</span><span class="o">;</span> |
|
|
273 |
<span class="k">if</span> <span class="o">(!</span><span class="nx">regexCache</span><span class="o">[</span><span class="nx">str</span> <span class="o">+</span> <span class="nx">flags</span><span class="o">])</span> <span class="o">{</span> |
|
|
274 |
<span class="nx">regexCache</span><span class="o">[</span><span class="nx">str</span> <span class="o">+</span> <span class="nx">flags</span><span class="o">]</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">RegExp</span><span class="o">(</span><span class="nx">str</span><span class="o">,</span> <span class="nx">flags</span><span class="o">);</span> |
|
|
275 |
<span class="o">}</span> |
|
|
276 |
<span class="k">return</span> <span class="nx">regexCache</span><span class="o">[</span><span class="nx">str</span> <span class="o">+</span> <span class="nx">flags</span><span class="o">];</span> |
|
|
277 |
<span class="o">},</span> |
|
|
278 |
|
|
|
279 |
<span class="nx">combinators</span><span class="o">:</span> <span class="o">{</span> |
|
|
280 |
<span class="s1">' '</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
|
281 |
<span class="k">var</span> <span class="nx">test</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_testToken</span><span class="o">,</span> |
|
|
282 |
<span class="nx">previous</span> <span class="o">=</span> <span class="nx">token</span><span class="o">[</span><span class="nx">PREVIOUS</span><span class="o">];</span> |
|
|
283 |
<span class="k">while</span> <span class="o">(</span> <span class="o">(</span><span class="nx">node</span> <span class="o">=</span> <span class="nx">node</span><span class="o">[</span><span class="nx">PARENT_NODE</span><span class="o">])</span> <span class="o">)</span> <span class="o">{</span> |
|
|
284 |
<span class="k">if</span> <span class="o">(</span><span class="nx">test</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="kc">null</span><span class="o">,</span> <span class="kc">null</span><span class="o">,</span> <span class="nx">previous</span><span class="o">))</span> <span class="o">{</span> |
|
|
285 |
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span> |
|
|
286 |
<span class="o">}</span> |
|
|
287 |
<span class="o">}</span> |
|
|
288 |
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
|
289 |
<span class="o">},</span> |
|
|
290 |
|
|
|
291 |
<span class="s1">'>'</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
|
292 |
<span class="k">return</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_testToken</span><span class="o">(</span><span class="nx">node</span><span class="o">[</span><span class="nx">PARENT_NODE</span><span class="o">],</span> <span class="kc">null</span><span class="o">,</span> <span class="kc">null</span><span class="o">,</span> <span class="nx">token</span><span class="o">[</span><span class="nx">PREVIOUS</span><span class="o">]);</span> |
|
|
293 |
<span class="o">},</span> |
|
|
294 |
|
|
|
295 |
|
|
|
296 |
<span class="s1">'+'</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
|
297 |
<span class="k">var</span> <span class="nx">sib</span> <span class="o">=</span> <span class="nx">node</span><span class="o">[</span><span class="nx">PREVIOUS_SIBLING</span><span class="o">];</span> |
|
|
298 |
<span class="k">while</span> <span class="o">(</span><span class="nx">sib</span> <span class="o">&&</span> <span class="nx">sib</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">!==</span> <span class="m">1</span><span class="o">)</span> <span class="o">{</span> |
|
|
299 |
<span class="nx">sib</span> <span class="o">=</span> <span class="nx">sib</span><span class="o">[</span><span class="nx">PREVIOUS_SIBLING</span><span class="o">];</span> |
|
|
300 |
<span class="o">}</span> |
|
|
301 |
|
|
|
302 |
<span class="k">if</span> <span class="o">(</span><span class="nx">sib</span> <span class="o">&&</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">_testToken</span><span class="o">(</span><span class="nx">sib</span><span class="o">,</span> <span class="kc">null</span><span class="o">,</span> <span class="kc">null</span><span class="o">,</span> <span class="nx">token</span><span class="o">[</span><span class="nx">PREVIOUS</span><span class="o">]))</span> <span class="o">{</span> |
|
|
303 |
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span> |
|
|
304 |
<span class="o">}</span> |
|
|
305 |
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
|
306 |
<span class="o">}</span> |
|
|
307 |
|
|
|
308 |
<span class="o">},</span> |
|
|
309 |
|
|
|
310 |
<span class="nx">_parsers</span><span class="o">:</span> <span class="o">[</span> |
|
|
311 |
<span class="o">{</span> |
|
|
312 |
<span class="nx">name</span><span class="o">:</span> <span class="nx">TAG_NAME</span><span class="o">,</span> |
|
|
313 |
<span class="nx">re</span><span class="o">:</span> <span class="sr">/^((?:-?[_a-z]+[\w-]*)|\*)/i</span><span class="o">,</span> |
|
|
314 |
<span class="nx">fn</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">token</span><span class="o">,</span> <span class="nx">match</span><span class="o">)</span> <span class="o">{</span> |
|
|
315 |
<span class="nx">token</span><span class="o">.</span><span class="nx">tag</span> <span class="o">=</span> <span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">].</span><span class="nx">toUpperCase</span><span class="o">();</span> |
|
|
316 |
<span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">root</span><span class="o">)</span> <span class="o">{</span> |
|
|
317 |
<span class="k">return</span> <span class="nx">root</span><span class="o">.</span><span class="nx">getElementsByTagName</span><span class="o">(</span><span class="nx">token</span><span class="o">.</span><span class="nx">tag</span><span class="o">);</span> |
|
|
318 |
<span class="o">};</span> |
|
|
319 |
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span> |
|
|
320 |
<span class="o">}</span> |
|
|
321 |
<span class="o">},</span> |
|
|
322 |
<span class="o">{</span> |
|
|
323 |
<span class="nx">name</span><span class="o">:</span> <span class="nx">ATTRIBUTES</span><span class="o">,</span> |
|
|
324 |
<span class="nx">re</span><span class="o">:</span> <span class="sr">/^\[([a-z]+\w*)+([~\|\^\$\*!=]=?)?['"]?([^\]]*?)['"]?\]/i</span><span class="o">,</span> |
|
|
325 |
<span class="nx">fn</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">token</span><span class="o">,</span> <span class="nx">match</span><span class="o">)</span> <span class="o">{</span> |
|
|
326 |
<span class="k">var</span> <span class="nx">val</span> <span class="o">=</span> <span class="nx">match</span><span class="o">[</span><span class="m">3</span><span class="o">],</span> |
|
|
327 |
<span class="nx">operator</span> <span class="o">=</span> <span class="o">!(</span><span class="nx">match</span><span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">&&</span> <span class="nx">val</span><span class="o">)</span> <span class="o">?</span> <span class="s1">''</span> <span class="o">:</span> <span class="nx">match</span><span class="o">[</span><span class="m">2</span><span class="o">],</span> |
|
|
328 |
<span class="nx">test</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">operators</span><span class="o">[</span><span class="nx">operator</span><span class="o">];</span> |
|
|
329 |
|
|
|
330 |
<span class="c">// might be a function</span> |
|
|
331 |
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="k">typeof</span> <span class="nx">test</span> <span class="o">===</span> <span class="s1">'string'</span><span class="o">)</span> <span class="o">{</span> |
|
|
332 |
<span class="nx">test</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_getRegExp</span><span class="o">(</span><span class="nx">test</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="s1">'{val}'</span><span class="o">,</span> <span class="nx">val</span><span class="o">));</span> |
|
|
333 |
<span class="o">}</span> |
|
|
334 |
|
|
|
335 |
<span class="k">if</span> <span class="o">(</span><span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">===</span> <span class="s1">'id'</span> <span class="o">&&</span> <span class="nx">val</span><span class="o">)</span> <span class="o">{</span> <span class="c">// store ID for fast-path match</span> |
|
|
336 |
<span class="c"></span> <span class="nx">token</span><span class="o">.</span><span class="nx">id</span> <span class="o">=</span> <span class="nx">val</span><span class="o">;</span> |
|
|
337 |
<span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">root</span><span class="o">)</span> <span class="o">{</span> |
|
|
338 |
<span class="k">var</span> <span class="nx">doc</span> <span class="o">=</span> <span class="nx">root</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="m">9</span> <span class="o">?</span> <span class="nx">root</span> <span class="o">:</span> <span class="nx">root</span><span class="o">.</span><span class="nx">ownerDocument</span><span class="o">,</span> |
|
|
339 |
<span class="nx">node</span> <span class="o">=</span> <span class="nx">doc</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">val</span><span class="o">);</span> |
|
|
340 |
|
|
|
341 |
<span class="k">return</span> <span class="nx">node</span> <span class="o">?</span> <span class="o">[</span><span class="nx">node</span><span class="o">]</span> <span class="o">:</span> <span class="o">[];</span> |
|
|
342 |
<span class="o">};</span> |
|
|
343 |
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nb">document</span><span class="o">.</span><span class="nx">documentElement</span><span class="o">.</span><span class="nx">getElementsByClassName</span> <span class="o">&&</span> |
|
|
344 |
<span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">].</span><span class="nx">indexOf</span><span class="o">(</span><span class="s1">'class'</span><span class="o">)</span> <span class="o">===</span> <span class="m">0</span><span class="o">)</span> <span class="o">{</span> |
|
|
345 |
<span class="k">if</span> <span class="o">(!</span><span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span><span class="o">)</span> <span class="o">{</span> |
|
|
346 |
<span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">root</span><span class="o">)</span> <span class="o">{</span> |
|
|
347 |
<span class="k">return</span> <span class="nx">root</span><span class="o">.</span><span class="nx">getElementsByClassName</span><span class="o">(</span><span class="nx">val</span><span class="o">);</span> |
|
|
348 |
<span class="o">};</span> |
|
|
349 |
<span class="nx">test</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> <span class="c">// skip class test </span> |
|
|
350 |
<span class="c"></span> <span class="o">}</span> |
|
|
351 |
<span class="o">}</span> |
|
|
352 |
<span class="k">return</span> <span class="nx">test</span><span class="o">;</span> |
|
|
353 |
|
|
|
354 |
<span class="o">}</span> |
|
|
355 |
|
|
|
356 |
<span class="o">},</span> |
|
|
357 |
<span class="o">{</span> |
|
|
358 |
<span class="nx">name</span><span class="o">:</span> <span class="nx">COMBINATOR</span><span class="o">,</span> |
|
|
359 |
<span class="nx">re</span><span class="o">:</span> <span class="sr">/^\s*([>+~]|\s)\s*/</span><span class="o">,</span> |
|
|
360 |
<span class="nx">fn</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">token</span><span class="o">,</span> <span class="nx">match</span><span class="o">)</span> <span class="o">{</span> |
|
|
361 |
<span class="nx">token</span><span class="o">[</span><span class="nx">COMBINATOR</span><span class="o">]</span> <span class="o">=</span> <span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">];</span> |
|
|
362 |
<span class="k">return</span> <span class="o">!!</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">combinators</span><span class="o">[</span><span class="nx">token</span><span class="o">[</span><span class="nx">COMBINATOR</span><span class="o">]];</span> |
|
|
363 |
<span class="o">}</span> |
|
|
364 |
<span class="o">},</span> |
|
|
365 |
<span class="o">{</span> |
|
|
366 |
<span class="nx">name</span><span class="o">:</span> <span class="nx">PSEUDOS</span><span class="o">,</span> |
|
|
367 |
<span class="nx">re</span><span class="o">:</span> <span class="sr">/^:([\-\w]+)(?:\(['"]?(.+)['"]?\))*/i</span><span class="o">,</span> |
|
|
368 |
<span class="nx">fn</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">token</span><span class="o">,</span> <span class="nx">match</span><span class="o">)</span> <span class="o">{</span> |
|
|
369 |
<span class="k">return</span> <span class="nx">Selector</span><span class="o">[</span><span class="nx">PSEUDOS</span><span class="o">][</span><span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">]];</span> |
|
|
370 |
|
|
|
371 |
<span class="o">}</span> |
|
|
372 |
<span class="o">}</span> |
|
|
373 |
<span class="o">],</span> |
|
|
374 |
|
|
|
375 |
<span class="nx">_getToken</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
|
376 |
<span class="k">return</span> <span class="o">{</span> |
|
|
377 |
<span class="nx">previous</span><span class="o">:</span> <span class="nx">token</span><span class="o">,</span> |
|
|
378 |
<span class="nx">combinator</span><span class="o">:</span> <span class="s1">' '</span><span class="o">,</span> |
|
|
379 |
<span class="nx">tag</span><span class="o">:</span> <span class="s1">'*'</span><span class="o">,</span> |
|
|
380 |
<span class="nx">prefilter</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">root</span><span class="o">)</span> <span class="o">{</span> |
|
|
381 |
<span class="k">return</span> <span class="nx">root</span><span class="o">.</span><span class="nx">getElementsByTagName</span><span class="o">(</span><span class="s1">'*'</span><span class="o">);</span> |
|
|
382 |
<span class="o">},</span> |
|
|
383 |
<span class="nx">tests</span><span class="o">:</span> <span class="o">[],</span> |
|
|
384 |
<span class="nx">result</span><span class="o">:</span> <span class="o">[]</span> |
|
|
385 |
<span class="o">};</span> |
|
|
386 |
<span class="o">},</span> |
|
|
387 |
|
|
|
388 |
<span class="c">/**</span> |
|
|
389 |
<span class="c"> Break selector into token units per simple selector.</span> |
|
|
390 |
<span class="c"> Combinator is attached to the previous token.</span> |
|
|
391 |
<span class="c"> */</span> |
|
|
392 |
<span class="nx">_tokenize</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">selector</span><span class="o">,</span> <span class="nx">root</span><span class="o">)</span> <span class="o">{</span> |
|
|
393 |
<span class="nx">selector</span> <span class="o">=</span> <span class="nx">selector</span> <span class="o">||</span> <span class="s1">''</span><span class="o">;</span> |
|
|
394 |
<span class="nx">selector</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_replaceShorthand</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">trim</span><span class="o">(</span><span class="nx">selector</span><span class="o">));</span> |
|
|
395 |
<span class="k">var</span> <span class="nx">token</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_getToken</span><span class="o">(),</span> <span class="c">// one token per simple selector (left selector holds combinator)</span> |
|
|
396 |
<span class="c"></span> <span class="nx">query</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">,</span> <span class="c">// original query for debug report</span> |
|
|
397 |
<span class="c"></span> <span class="nx">tokens</span> <span class="o">=</span> <span class="o">[],</span> <span class="c">// array of tokens</span> |
|
|
398 |
<span class="c"></span> <span class="nx">found</span> <span class="o">=</span> <span class="kc">false</span><span class="o">,</span> <span class="c">// whether or not any matches were found this pass</span> |
|
|
399 |
<span class="c"></span> <span class="nx">test</span><span class="o">,</span> |
|
|
400 |
<span class="nx">match</span><span class="o">,</span> <span class="c">// the regex match</span> |
|
|
401 |
<span class="c"></span> <span class="nx">i</span><span class="o">,</span> <span class="nx">parser</span><span class="o">;</span> |
|
|
402 |
|
|
|
403 |
<span class="c">/*</span> |
|
|
404 |
<span class="c"> Search for selector patterns, store, and strip them from the selector string</span> |
|
|
405 |
<span class="c"> until no patterns match (invalid selector) or we run out of chars.</span> |
|
|
406 |
<span class="c"></span> |
|
|
407 |
<span class="c"> Multiple attributes and pseudos are allowed, in any order.</span> |
|
|
408 |
<span class="c"> for example:</span> |
|
|
409 |
<span class="c"> 'form:first-child[type=button]:not(button)[lang|=en]'</span> |
|
|
410 |
<span class="c"> */</span> |
|
|
411 |
<span class="nx">outer</span><span class="o">:</span> |
|
|
412 |
<span class="k">do</span> <span class="o">{</span> |
|
|
413 |
<span class="nx">found</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span> <span class="c">// reset after full pass</span> |
|
|
414 |
<span class="c"></span> <span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">parser</span><span class="o">;</span> <span class="nx">parser</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_parsers</span><span class="o">[</span><span class="nx">i</span><span class="o">++];)</span> <span class="o">{</span> |
|
|
415 |
<span class="k">if</span> <span class="o">(</span> <span class="o">(</span><span class="nx">match</span> <span class="o">=</span> <span class="nx">parser</span><span class="o">.</span><span class="nx">re</span><span class="o">.</span><span class="nx">exec</span><span class="o">(</span><span class="nx">selector</span><span class="o">))</span> <span class="o">)</span> <span class="o">{</span> <span class="c">// note assignment</span> |
|
|
416 |
<span class="c"></span> <span class="nx">test</span> <span class="o">=</span> <span class="nx">parser</span><span class="o">.</span><span class="nx">fn</span><span class="o">(</span><span class="nx">token</span><span class="o">,</span> <span class="nx">match</span><span class="o">);</span> |
|
|
417 |
<span class="k">if</span> <span class="o">(</span><span class="nx">test</span><span class="o">)</span> <span class="o">{</span> |
|
|
418 |
<span class="k">if</span> <span class="o">(</span><span class="nx">test</span> <span class="o">!==</span> <span class="kc">true</span><span class="o">)</span> <span class="o">{</span> <span class="c">// auto-pass</span> |
|
|
419 |
<span class="c"></span> <span class="nx">token</span><span class="o">.</span><span class="nx">tests</span><span class="o">.</span><span class="nx">push</span><span class="o">({</span> |
|
|
420 |
<span class="nx">name</span><span class="o">:</span> <span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">],</span> |
|
|
421 |
<span class="nx">test</span><span class="o">:</span> <span class="nx">test</span><span class="o">,</span> |
|
|
422 |
<span class="nx">match</span><span class="o">:</span> <span class="nx">match</span><span class="o">.</span><span class="nx">slice</span><span class="o">(</span><span class="m">1</span><span class="o">)</span> |
|
|
423 |
<span class="o">});</span> |
|
|
424 |
<span class="o">}</span> |
|
|
425 |
|
|
|
426 |
<span class="nx">found</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
|
427 |
<span class="nx">selector</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="nx">match</span><span class="o">[</span><span class="m">0</span><span class="o">],</span> <span class="s1">''</span><span class="o">);</span> <span class="c">// strip current match from selector</span> |
|
|
428 |
<span class="c"></span> <span class="k">if</span> <span class="o">(!</span><span class="nx">selector</span><span class="o">.</span><span class="nx">length</span> <span class="o">||</span> <span class="nx">parser</span><span class="o">.</span><span class="nx">name</span> <span class="o">===</span> <span class="nx">COMBINATOR</span><span class="o">)</span> <span class="o">{</span> |
|
|
429 |
<span class="nx">token</span><span class="o">.</span><span class="nx">root</span> <span class="o">=</span> <span class="nx">root</span><span class="o">;</span> |
|
|
430 |
<span class="nx">tokens</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">token</span><span class="o">);</span> |
|
|
431 |
<span class="nx">token</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_getToken</span><span class="o">(</span><span class="nx">token</span><span class="o">);</span> |
|
|
432 |
<span class="o">}</span> |
|
|
433 |
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
|
434 |
<span class="nx">found</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span> |
|
|
435 |
<span class="k">break</span> <span class="nx">outer</span><span class="o">;</span> |
|
|
436 |
<span class="o">}</span> |
|
|
437 |
<span class="o">}</span> |
|
|
438 |
<span class="o">}</span> |
|
|
439 |
<span class="o">}</span> <span class="k">while</span> <span class="o">(</span><span class="nx">found</span> <span class="o">&&</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">length</span><span class="o">);</span> |
|
|
440 |
|
|
|
441 |
<span class="k">if</span> <span class="o">(!</span><span class="nx">found</span> <span class="o">||</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">length</span><span class="o">)</span> <span class="o">{</span> <span class="c">// not fully parsed</span> |
|
|
442 |
<span class="c"></span> <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'query: '</span> <span class="o">+</span> <span class="nx">query</span> <span class="o">+</span> <span class="s1">' contains unsupported token in: '</span> <span class="o">+</span> <span class="nx">selector</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'Selector'</span><span class="o">);</span> |
|
|
443 |
<span class="nx">tokens</span> <span class="o">=</span> <span class="o">[];</span> |
|
|
444 |
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">tokens</span><span class="o">.</span><span class="nx">length</span><span class="o">)</span> <span class="o">{</span> |
|
|
445 |
<span class="nx">tokens</span><span class="o">[</span><span class="nx">tokens</span><span class="o">.</span><span class="nx">length</span> <span class="o">-</span> <span class="m">1</span><span class="o">].</span><span class="nx">last</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
|
446 |
<span class="o">}</span> |
|
|
447 |
<span class="k">return</span> <span class="nx">tokens</span><span class="o">;</span> |
|
|
448 |
<span class="o">},</span> |
|
|
449 |
|
|
|
450 |
<span class="nx">_replaceShorthand</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">selector</span><span class="o">)</span> <span class="o">{</span> |
|
|
451 |
<span class="k">var</span> <span class="nx">shorthand</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">shorthand</span><span class="o">,</span> |
|
|
452 |
<span class="nx">attrs</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">match</span><span class="o">(</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">_re</span><span class="o">.</span><span class="nx">attr</span><span class="o">),</span> <span class="c">// pull attributes to avoid false pos on "." and "#"</span> |
|
|
453 |
<span class="c"></span> <span class="nx">re</span><span class="o">,</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">len</span><span class="o">;</span> |
|
|
454 |
|
|
|
455 |
<span class="k">if</span> <span class="o">(</span><span class="nx">attrs</span><span class="o">)</span> <span class="o">{</span> |
|
|
456 |
<span class="nx">selector</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">_re</span><span class="o">.</span><span class="nx">attr</span><span class="o">,</span> <span class="s1">'REPLACED_ATTRIBUTE'</span><span class="o">);</span> |
|
|
457 |
<span class="o">}</span> |
|
|
458 |
|
|
|
459 |
<span class="k">for</span> <span class="o">(</span><span class="nx">re</span> <span class="k">in</span> <span class="nx">shorthand</span><span class="o">)</span> <span class="o">{</span> |
|
|
460 |
<span class="k">if</span> <span class="o">(</span><span class="nx">shorthand</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">re</span><span class="o">))</span> <span class="o">{</span> |
|
|
461 |
<span class="nx">selector</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">_getRegExp</span><span class="o">(</span><span class="nx">re</span><span class="o">,</span> <span class="s1">'gi'</span><span class="o">),</span> <span class="nx">shorthand</span><span class="o">[</span><span class="nx">re</span><span class="o">]);</span> |
|
|
462 |
<span class="o">}</span> |
|
|
463 |
<span class="o">}</span> |
|
|
464 |
|
|
|
465 |
<span class="k">if</span> <span class="o">(</span><span class="nx">attrs</span><span class="o">)</span> <span class="o">{</span> |
|
|
466 |
<span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">len</span> <span class="o">=</span> <span class="nx">attrs</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">len</span><span class="o">;</span> <span class="o">++</span><span class="nx">i</span><span class="o">)</span> <span class="o">{</span> |
|
|
467 |
<span class="nx">selector</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">.</span><span class="nx">replace</span><span class="o">(</span><span class="s1">'REPLACED_ATTRIBUTE'</span><span class="o">,</span> <span class="nx">attrs</span><span class="o">[</span><span class="nx">i</span><span class="o">]);</span> |
|
|
468 |
<span class="o">}</span> |
|
|
469 |
<span class="o">}</span> |
|
|
470 |
<span class="k">return</span> <span class="nx">selector</span><span class="o">;</span> |
|
|
471 |
<span class="o">}</span> |
|
|
472 |
<span class="o">};</span> |
|
|
473 |
|
|
|
474 |
<span class="nx">Y</span><span class="o">.</span><span class="nx">mix</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Selector</span><span class="o">,</span> <span class="nx">SelectorCSS2</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
|
475 |
|
|
|
476 |
<span class="c">// only override native when not supported</span> |
|
|
477 |
<span class="c"></span><span class="k">if</span> <span class="o">(!</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">_supportsNative</span><span class="o">())</span> <span class="o">{</span> |
|
|
478 |
<span class="nx">Y</span><span class="o">.</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">query</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_brute</span><span class="o">.</span><span class="nx">query</span><span class="o">;</span> |
|
|
479 |
<span class="o">}</span> |
|
|
480 |
</pre></div> |
|
|
481 |
</div> |
|
|
482 |
</div> |
|
|
483 |
</div> |
|
|
484 |
<div class="yui-b"> |
|
|
485 |
<div class="nav"> |
|
|
486 |
|
|
|
487 |
<div id="moduleList" class="module"> |
|
|
488 |
<h4>Modules</h4> |
|
|
489 |
<ul class="content"> |
|
|
490 |
<li class=""><a href="module_anim.html" title="anim">anim</a></li> |
|
|
491 |
<li class=""><a href="module_attribute.html" title="attribute">attribute</a></li> |
|
|
492 |
<li class=""><a href="module_base.html" title="base">base</a></li> |
|
|
493 |
<li class=""><a href="module_cache.html" title="cache">cache</a></li> |
|
|
494 |
<li class=""><a href="module_classnamemanager.html" title="classnamemanager">classnamemanager</a></li> |
|
|
495 |
<li class=""><a href="module_collection.html" title="collection">collection</a></li> |
|
|
496 |
<li class=""><a href="module_console.html" title="console">console</a></li> |
|
|
497 |
<li class=""><a href="module_console-filters.html" title="console-filters">console-filters</a></li> |
|
|
498 |
<li class=""><a href="module_cookie.html" title="cookie">cookie</a></li> |
|
|
499 |
<li class=""><a href="module_dataschema.html" title="dataschema">dataschema</a></li> |
|
|
500 |
<li class=""><a href="module_datasource.html" title="datasource">datasource</a></li> |
|
|
501 |
<li class=""><a href="module_datatype.html" title="datatype">datatype</a></li> |
|
|
502 |
<li class=""><a href="module_dd.html" title="dd">dd</a></li> |
|
|
503 |
<li class="selected"><a href="module_dom.html" title="dom">dom</a></li> |
|
|
504 |
<li class=""><a href="module_dump.html" title="dump">dump</a></li> |
|
|
505 |
<li class=""><a href="module_event.html" title="event">event</a></li> |
|
|
506 |
<li class=""><a href="module_event-custom.html" title="event-custom">event-custom</a></li> |
|
|
507 |
<li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li> |
|
|
508 |
<li class=""><a href="module_history.html" title="history">history</a></li> |
|
|
509 |
<li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li> |
|
|
510 |
<li class=""><a href="module_io.html" title="io">io</a></li> |
|
|
511 |
<li class=""><a href="module_json.html" title="json">json</a></li> |
|
|
512 |
<li class=""><a href="module_node.html" title="node">node</a></li> |
|
|
513 |
<li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li> |
|
|
514 |
<li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li> |
|
|
515 |
<li class=""><a href="module_oop.html" title="oop">oop</a></li> |
|
|
516 |
<li class=""><a href="module_overlay.html" title="overlay">overlay</a></li> |
|
|
517 |
<li class=""><a href="module_plugin.html" title="plugin">plugin</a></li> |
|
|
518 |
<li class=""><a href="module_profiler.html" title="profiler">profiler</a></li> |
|
|
519 |
<li class=""><a href="module_queue.html" title="queue">queue</a></li> |
|
|
520 |
<li class=""><a href="module_slider.html" title="slider">slider</a></li> |
|
|
521 |
<li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li> |
|
|
522 |
<li class=""><a href="module_substitute.html" title="substitute">substitute</a></li> |
|
|
523 |
<li class=""><a href="module_test.html" title="test">test</a></li> |
|
|
524 |
<li class=""><a href="module_widget.html" title="widget">widget</a></li> |
|
|
525 |
<li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li> |
|
|
526 |
<li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li> |
|
|
527 |
<li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li> |
|
|
528 |
<li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li> |
|
|
529 |
<li class=""><a href="module_yui.html" title="yui">yui</a></li> |
|
|
530 |
</ul> |
|
|
531 |
</div> |
|
|
532 |
|
|
|
533 |
<div id="classList" class="module"> |
|
|
534 |
<h4>Classes</h4> |
|
|
535 |
<ul class="content"> |
|
|
536 |
<li class=""><a href="DOM.html" title="DOM">DOM</a></li> |
|
|
537 |
<li class=""><a href="Selector.html" title="Selector">Selector</a></li> |
|
|
538 |
</ul> |
|
|
539 |
</div> |
|
|
540 |
|
|
|
541 |
<div id="fileList" class="module"> |
|
|
542 |
<h4>Files</h4> |
|
|
543 |
<ul class="content"> |
|
|
544 |
<li class=""><a href="color.js.html" title="color.js">color.js</a></li> |
|
|
545 |
<li class=""><a href="dom-class.js.html" title="dom-class.js">dom-class.js</a></li> |
|
|
546 |
<li class=""><a href="dom-ie-style.js.html" title="dom-ie-style.js">dom-ie-style.js</a></li> |
|
|
547 |
<li class=""><a href="dom-region.js.html" title="dom-region.js">dom-region.js</a></li> |
|
|
548 |
<li class=""><a href="dom-screen.js.html" title="dom-screen.js">dom-screen.js</a></li> |
|
|
549 |
<li class=""><a href="dom-style.js.html" title="dom-style.js">dom-style.js</a></li> |
|
|
550 |
<li class=""><a href="dom.js.html" title="dom.js">dom.js</a></li> |
|
|
551 |
<li class="selected"><a href="selector-css2.js.html" title="selector-css2.js">selector-css2.js</a></li> |
|
|
552 |
<li class=""><a href="selector-css3.js.html" title="selector-css3.js">selector-css3.js</a></li> |
|
|
553 |
<li class=""><a href="selector-native.js.html" title="selector-native.js">selector-native.js</a></li> |
|
|
554 |
</ul> |
|
|
555 |
</div> |
|
|
556 |
|
|
|
557 |
|
|
|
558 |
|
|
|
559 |
|
|
|
560 |
|
|
|
561 |
</div> |
|
|
562 |
</div> |
|
|
563 |
</div> |
|
|
564 |
<div id="ft"> |
|
|
565 |
<hr /> |
|
|
566 |
Copyright © 2009 Yahoo! Inc. All rights reserved. |
|
|
567 |
</div> |
|
|
568 |
</div> |
|
|
569 |
<script type="text/javascript"> |
|
|
570 |
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"name": "docWidth", "url": "DOM.html#method_docWidth", "type": "method"}, {"access": "", "host": "DOM", "name": "elementByAxis", "url": "DOM.html#method_elementByAxis", "type": "method"}, {"access": "", "host": "DOM", "name": "getAttibute", "url": "DOM.html#method_getAttibute", "type": "method"}, {"access": "", "host": "DOM", "name": "getComputedStyle", "url": "DOM.html#method_getComputedStyle", "type": "method"}, {"access": "private", "host": "DOM", "name": "_getDoc", "url": "DOM.html#method__getDoc", "type": "method"}, {"access": "private", "host": "DOM", "name": "_getRegExp", "url": "DOM.html#method__getRegExp", "type": "method"}, {"access": "", "host": "DOM", "name": "getStyle", "url": "DOM.html#method_getStyle", "type": "method"}, {"access": "", "host": "DOM", "name": "getText", "url": "DOM.html#method_getText", "type": "method"}, {"access": "private", "host": "DOM", "name": "_getWin", "url": "DOM.html#method__getWin", "type": "method"}, {"access": "", "host": "DOM", "name": 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"setStyles", "url": "DOM.html#method_setStyles", "type": "method"}, {"access": "", "host": "DOM", "name": "setText", "url": "DOM.html#method_setText", "type": "method"}, {"access": "", "host": "DOM", "name": "setX", "url": "DOM.html#method_setX", "type": "method"}, {"access": "", "host": "DOM", "name": "setXY", "url": "DOM.html#method_setXY", "type": "method"}, {"access": "", "host": "DOM", "name": "setY", "url": "DOM.html#method_setY", "type": "method"}, {"access": "", "host": "Selector", "name": "shorthand", "url": "Selector.html#property_shorthand", "type": "property"}, {"access": "", "host": "DOM", "name": "toggleClass", "url": "DOM.html#method_toggleClass", "type": "method"}, {"access": "", "host": "Selector", "name": "_tokenize", "url": "Selector.html#method__tokenize", "type": "method"}, {"access": "", "host": "Selector", "name": "viewportRegion", "url": "Selector.html#method_viewportRegion", "type": "method"}, {"access": "", "host": "DOM", "name": "winHeight", "url": "DOM.html#method_winHeight", "type": "method"}, {"access": "", "host": "DOM", "name": "winWidth", "url": "DOM.html#method_winWidth", "type": "method"}]; |
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|
571 |
</script> |
|
|
572 |
</body> |
|
|
573 |
</html> |