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<h3>dom <span class="subtitle">3.0.0b1</span></h3>
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<div class="highlight" ><pre><span class="c">/**</span>
<span class="c"> * The selector module provides helper methods allowing CSS2 Selectors to be used with DOM elements.</span>
<span class="c"> * @module dom</span>
<span class="c"> * @submodule selector-css2</span>
<span class="c"> * @for Selector</span>
<span class="c"> */</span>
<span class="c">/**</span>
<span class="c"> * Provides helper methods for collecting and filtering DOM elements.</span>
<span class="c"> */</span>
<span class="k">var</span> <span class="nx">PARENT_NODE</span> <span class="o">=</span> <span class="s1">'parentNode'</span><span class="o">,</span>
<span class="nx">TAG_NAME</span> <span class="o">=</span> <span class="s1">'tagName'</span><span class="o">,</span>
<span class="nx">ATTRIBUTES</span> <span class="o">=</span> <span class="s1">'attributes'</span><span class="o">,</span>
<span class="nx">COMBINATOR</span> <span class="o">=</span> <span class="s1">'combinator'</span><span class="o">,</span>
<span class="nx">PSEUDOS</span> <span class="o">=</span> <span class="s1">'pseudos'</span><span class="o">,</span>
<span class="nx">PREVIOUS</span> <span class="o">=</span> <span class="s1">'previous'</span><span class="o">,</span>
<span class="nx">PREVIOUS_SIBLING</span> <span class="o">=</span> <span class="s1">'previousSibling'</span><span class="o">,</span>
<span class="nx">_childCache</span> <span class="o">=</span> <span class="o">[],</span> <span class="c">// cache to cleanup expando node.children</span>
<span class="c"></span>
<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>
<span class="nx">SelectorCSS2</span> <span class="o">=</span> <span class="o">{</span>
<span class="nx">SORT_RESULTS</span><span class="o">:</span> <span class="kc">true</span><span class="o">,</span>
<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>
<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>
<span class="nx">i</span><span class="o">,</span> <span class="nx">n</span><span class="o">;</span>
<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>
<span class="c"></span> <span class="nx">ret</span> <span class="o">=</span> <span class="o">[];</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">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>
<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>
<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>
<span class="o">}</span>
<span class="o">}</span>
<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>
<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>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">ret</span> <span class="o">||</span> <span class="o">[];</span>
<span class="o">},</span>
<span class="nx">_regexCache</span><span class="o">:</span> <span class="o">{},</span>
<span class="nx">_re</span><span class="o">:</span> <span class="o">{</span>
<span class="nx">attr</span><span class="o">:</span> <span class="sr">/(\[.*\])/g</span><span class="o">,</span>
<span class="nx">urls</span><span class="o">:</span> <span class="sr">/^(?:href|src)/</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Mapping of shorthand tokens to corresponding attribute selector </span>
<span class="c"> * @property shorthand</span>
<span class="c"> * @type object</span>
<span class="c"> */</span>
<span class="nx">shorthand</span><span class="o">:</span> <span class="o">{</span>
<span class="s1">'\\#(-?[_a-z]+[-\\w]*)'</span><span class="o">:</span> <span class="s1">'[id=$1]'</span><span class="o">,</span>
<span class="s1">'\\.(-?[_a-z]+[-\\w]*)'</span><span class="o">:</span> <span class="s1">'[className~=$1]'</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * List of operators and corresponding boolean functions. </span>
<span class="c"> * These functions are passed the attribute and the current node's value of the attribute.</span>
<span class="c"> * @property operators</span>
<span class="c"> * @type object</span>
<span class="c"> */</span>
<span class="nx">operators</span><span class="o">:</span> <span class="o">{</span>
<span class="s1">''</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">m</span><span class="o">)</span> <span class="o">{</span> <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">DOM</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">m</span><span class="o">[</span><span class="m">0</span><span class="o">])</span> <span class="o">!==</span> <span class="s1">''</span><span class="o">;</span> <span class="o">},</span> <span class="c">// Just test for existence of attribute</span>
<span class="c"></span> <span class="c">//'': '.+',</span>
<span class="c"></span> <span class="s1">'='</span><span class="o">:</span> <span class="s1">'^{val}$'</span><span class="o">,</span> <span class="c">// equality</span>
<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>
<span class="c"></span> <span class="s1">'|='</span><span class="o">:</span> <span class="s1">'^{val}-?'</span> <span class="c">// optional hyphen-delimited</span>
<span class="c"></span> <span class="o">},</span>
<span class="nx">pseudos</span><span class="o">:</span> <span class="o">{</span>
<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>
<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>
<span class="o">}</span>
<span class="o">},</span>
<span class="nx">_brute</span><span class="o">:</span> <span class="o">{</span>
<span class="c">/**</span>
<span class="c"> * Retrieves a set of nodes based on a given CSS selector. </span>
<span class="c"> * @method query</span>
<span class="c"> *</span>
<span class="c"> * @param {string} selector The CSS Selector to test the node against.</span>
<span class="c"> * @param {HTMLElement} root optional An HTMLElement to start the query from. Defaults to Y.config.doc</span>
<span class="c"> * @param {Boolean} firstOnly optional Whether or not to return only the first match.</span>
<span class="c"> * @return {Array} An array of nodes that match the given selector.</span>
<span class="c"> * @static</span>
<span class="c"> */</span>
<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>
<span class="k">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="o">[];</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">selector</span><span class="o">)</span> <span class="o">{</span>
<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>
<span class="o">}</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">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>
<span class="nx">Selector</span><span class="o">.</span><span class="nx">_cleanup</span><span class="o">();</span>
<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>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">// TODO: make extensible? events?</span>
<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>
<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>
<span class="nx">delete</span> <span class="nx">node</span><span class="o">.</span><span class="nx">children</span><span class="o">;</span>
<span class="o">}</span>
<span class="nx">_childCache</span> <span class="o">=</span> <span class="o">[];</span>
<span class="o">},</span>
<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>
<span class="k">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="o">[],</span>
<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>
<span class="c"></span> <span class="nx">nodes</span> <span class="o">=</span> <span class="o">[],</span>
<span class="nx">tokens</span><span class="o">,</span>
<span class="nx">token</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="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>
<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>
<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>
<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>
<span class="o">}</span>
<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>
<span class="nx">Selector</span><span class="o">.</span><span class="nx">_clearFoundCache</span><span class="o">();</span>
<span class="o">}</span> <span class="k">else</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">Y</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">doc</span><span class="o">;</span>
<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>
<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>
<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>
<span class="o">}</span>
<span class="c">// fast-path ID when possible</span>
<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>
<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>
<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>
<span class="o">}</span>
<span class="o">}</span>
<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>
<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>
<span class="k">if</span> <span class="o">(</span><span class="nx">token</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">deDupe</span><span class="o">)</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="kc">true</span><span class="o">;</span> <span class="c">// TODO: better approach?</span>
<span class="c"></span> <span class="o">}</span>
<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>
<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>
<span class="o">}</span>
<span class="c">// TODO: no prefilter for off-dom id</span>
<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>
<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>
<span class="o">}</span>
<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>
<span class="k">if</span> <span class="o">(</span><span class="nx">firstOnly</span><span class="o">)</span> <span class="o">{</span>
<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>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<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>
<span class="o">}</span>
<span class="o">}</span>
<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>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">ret</span><span class="o">;</span>
<span class="o">},</span>
<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>
<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>
<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>
<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>
<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>
<span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span>
<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>
<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>
<span class="kc">null</span><span class="o">,</span>
<span class="nx">test</span><span class="o">,</span>
<span class="nx">attr</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="c">//node[TAG_NAME] && // tagName limits to HTMLElements</span>
<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>
<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>
<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>
<span class="nx">i</span><span class="o">++;</span>
<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>
<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>
<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>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<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>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<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>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<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>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<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>
<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>
<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>
<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>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">},</span>
<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>
<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>
<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>
<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>
<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>
<span class="o">}</span>
<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>
<span class="o">},</span>
<span class="nx">combinators</span><span class="o">:</span> <span class="o">{</span>
<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>
<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>
<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>
<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>
<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>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">},</span>
<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>
<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>
<span class="o">},</span>
<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>
<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>
<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>
<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>
<span class="o">}</span>
<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>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="nx">_parsers</span><span class="o">:</span> <span class="o">[</span>
<span class="o">{</span>
<span class="nx">name</span><span class="o">:</span> <span class="nx">TAG_NAME</span><span class="o">,</span>
<span class="nx">re</span><span class="o">:</span> <span class="sr">/^((?:-?[_a-z]+[\w-]*)|\*)/i</span><span class="o">,</span>
<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>
<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>
<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>
<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>
<span class="o">};</span>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="o">{</span>
<span class="nx">name</span><span class="o">:</span> <span class="nx">ATTRIBUTES</span><span class="o">,</span>
<span class="nx">re</span><span class="o">:</span> <span class="sr">/^\[([a-z]+\w*)+([~\|\^\$\*!=]=?)?['"]?([^\]]*?)['"]?\]/i</span><span class="o">,</span>
<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>
<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>
<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>
<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>
<span class="c">// might be a function</span>
<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>
<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>
<span class="o">}</span>
<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>
<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>
<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>
<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>
<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>
<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>
<span class="o">};</span>
<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>
<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>
<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>
<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>
<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>
<span class="o">};</span>
<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>
<span class="c"></span> <span class="o">}</span>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">test</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">},</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="nx">re</span><span class="o">:</span> <span class="sr">/^\s*([>+~]|\s)\s*/</span><span class="o">,</span>
<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>
<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>
<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>
<span class="o">}</span>
<span class="o">},</span>
<span class="o">{</span>
<span class="nx">name</span><span class="o">:</span> <span class="nx">PSEUDOS</span><span class="o">,</span>
<span class="nx">re</span><span class="o">:</span> <span class="sr">/^:([\-\w]+)(?:\(['"]?(.+)['"]?\))*/i</span><span class="o">,</span>
<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>
<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>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">],</span>
<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>
<span class="k">return</span> <span class="o">{</span>
<span class="nx">previous</span><span class="o">:</span> <span class="nx">token</span><span class="o">,</span>
<span class="nx">combinator</span><span class="o">:</span> <span class="s1">' '</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">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>
<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>
<span class="o">},</span>
<span class="nx">tests</span><span class="o">:</span> <span class="o">[],</span>
<span class="nx">result</span><span class="o">:</span> <span class="o">[]</span>
<span class="o">};</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> Break selector into token units per simple selector.</span>
<span class="c"> Combinator is attached to the previous token.</span>
<span class="c"> */</span>
<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>
<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>
<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>
<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>
<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>
<span class="c"></span> <span class="nx">tokens</span> <span class="o">=</span> <span class="o">[],</span> <span class="c">// array of tokens</span>
<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>
<span class="c"></span> <span class="nx">test</span><span class="o">,</span>
<span class="nx">match</span><span class="o">,</span> <span class="c">// the regex match</span>
<span class="c"></span> <span class="nx">i</span><span class="o">,</span> <span class="nx">parser</span><span class="o">;</span>
<span class="c">/*</span>
<span class="c"> Search for selector patterns, store, and strip them from the selector string</span>
<span class="c"> until no patterns match (invalid selector) or we run out of chars.</span>
<span class="c"></span>
<span class="c"> Multiple attributes and pseudos are allowed, in any order.</span>
<span class="c"> for example:</span>
<span class="c"> 'form:first-child[type=button]:not(button)[lang|=en]'</span>
<span class="c"> */</span>
<span class="nx">outer</span><span class="o">:</span>
<span class="k">do</span> <span class="o">{</span>
<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>
<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>
<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>
<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>
<span class="k">if</span> <span class="o">(</span><span class="nx">test</span><span class="o">)</span> <span class="o">{</span>
<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>
<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>
<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>
<span class="nx">test</span><span class="o">:</span> <span class="nx">test</span><span class="o">,</span>
<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>
<span class="o">});</span>
<span class="o">}</span>
<span class="nx">found</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span>
<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>
<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>
<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>
<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>
<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>
<span class="o">}</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">found</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
<span class="k">break</span> <span class="nx">outer</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">}</span>
<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>
<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>
<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>
<span class="nx">tokens</span> <span class="o">=</span> <span class="o">[];</span>
<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>
<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>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">tokens</span><span class="o">;</span>
<span class="o">},</span>
<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>
<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>
<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>
<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>
<span class="k">if</span> <span class="o">(</span><span class="nx">attrs</span><span class="o">)</span> <span class="o">{</span>
<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>
<span class="o">}</span>
<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>
<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>
<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>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">attrs</span><span class="o">)</span> <span class="o">{</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">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>
<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>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">selector</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">};</span>
<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>
<span class="c">// only override native when not supported</span>
<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>
<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>
<span class="o">}</span>
</pre></div>
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<h4>Modules</h4>
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<li class=""><a href="module_base.html" title="base">base</a></li>
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<li class=""><a href="module_event.html" title="event">event</a></li>
<li class=""><a href="module_event-custom.html" title="event-custom">event-custom</a></li>
<li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li>
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<li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li>
<li class=""><a href="module_io.html" title="io">io</a></li>
<li class=""><a href="module_json.html" title="json">json</a></li>
<li class=""><a href="module_node.html" title="node">node</a></li>
<li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li>
<li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li>
<li class=""><a href="module_oop.html" title="oop">oop</a></li>
<li class=""><a href="module_overlay.html" title="overlay">overlay</a></li>
<li class=""><a href="module_plugin.html" title="plugin">plugin</a></li>
<li class=""><a href="module_profiler.html" title="profiler">profiler</a></li>
<li class=""><a href="module_queue.html" title="queue">queue</a></li>
<li class=""><a href="module_slider.html" title="slider">slider</a></li>
<li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li>
<li class=""><a href="module_substitute.html" title="substitute">substitute</a></li>
<li class=""><a href="module_test.html" title="test">test</a></li>
<li class=""><a href="module_widget.html" title="widget">widget</a></li>
<li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li>
<li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li>
<li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li>
<li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li>
<li class=""><a href="module_yui.html" title="yui">yui</a></li>
</ul>
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<div id="classList" class="module">
<h4>Classes</h4>
<ul class="content">
<li class=""><a href="DOM.html" title="DOM">DOM</a></li>
<li class=""><a href="Selector.html" title="Selector">Selector</a></li>
</ul>
</div>
<div id="fileList" class="module">
<h4>Files</h4>
<ul class="content">
<li class=""><a href="color.js.html" title="color.js">color.js</a></li>
<li class=""><a href="dom-class.js.html" title="dom-class.js">dom-class.js</a></li>
<li class=""><a href="dom-ie-style.js.html" title="dom-ie-style.js">dom-ie-style.js</a></li>
<li class=""><a href="dom-region.js.html" title="dom-region.js">dom-region.js</a></li>
<li class=""><a href="dom-screen.js.html" title="dom-screen.js">dom-screen.js</a></li>
<li class=""><a href="dom-style.js.html" title="dom-style.js">dom-style.js</a></li>
<li class=""><a href="dom.js.html" title="dom.js">dom.js</a></li>
<li class="selected"><a href="selector-css2.js.html" title="selector-css2.js">selector-css2.js</a></li>
<li class=""><a href="selector-css3.js.html" title="selector-css3.js">selector-css3.js</a></li>
<li class=""><a href="selector-native.js.html" title="selector-native.js">selector-native.js</a></li>
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