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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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2 <html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#"> |
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3 <head> |
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4 <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> |
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5 <title>API: dom selector-css2.js (YUI Library)</title> |
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6 |
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7 <link rel="stylesheet" type="text/css" href="assets/reset-fonts-grids-min.css" /> |
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8 <link rel="stylesheet" type="text/css" href="assets/api.css" /> |
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9 |
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10 <script type="text/javascript" src="assets/api-js"></script> |
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11 <script type="text/javascript" src="assets/ac-js"></script> |
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12 </head> |
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13 |
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14 <body id="yahoo-com"> |
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15 |
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16 <div id="doc3" class="yui-t2"> |
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17 <div id="hd"> |
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18 <h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1> |
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19 <h3>dom <span class="subtitle">3.0.0</span></h3> |
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20 <a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a> |
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21 > <a href="./module_dom.html" title="dom">dom</a> |
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22 |
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23 > selector-css2.js (source view) |
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24 <form onsubmit="return false"> |
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25 <div id="propertysearch"> |
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26 Search: <input autocomplete="off" id="searchinput" /> |
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27 <div id="searchresults"> |
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28 |
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29 </div> |
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30 </div> |
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31 </form> |
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32 </div> |
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33 |
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34 <div id="bd"> |
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35 <div id="yui-main"> |
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36 <div class="yui-b"> |
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37 <form action="#" name="yui-classopts-form" method="get" id="yui-classopts-form"> |
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38 <fieldset> |
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39 <legend>Filters</legend> |
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40 <span class="classopts"><input type="checkbox" name="show_private" id="show_private" /> <label for="show_private">Show Private</label></span> |
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41 <span class="classopts"><input type="checkbox" name="show_protected" id="show_protected" /> <label for="show_protected">Show Protected</label></span> |
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42 <span class="classopts"><input type="checkbox" name="show_deprecated" id="show_deprecated" /> <label for="show_deprecated">Show Deprecated</label></span> |
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43 </fieldset> |
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44 </form> |
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45 |
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46 <div id="srcout"> |
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47 <style> |
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48 #doc3 .classopts { display:none; } |
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49 </style> |
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50 <div class="highlight" ><pre><span class="c">/**</span> |
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51 <span class="c"> * The selector module provides helper methods allowing CSS2 Selectors to be used with DOM elements.</span> |
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52 <span class="c"> * @module dom</span> |
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53 <span class="c"> * @submodule selector-css2</span> |
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54 <span class="c"> * @for Selector</span> |
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55 <span class="c"> */</span> |
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56 |
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57 <span class="c">/**</span> |
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58 <span class="c"> * Provides helper methods for collecting and filtering DOM elements.</span> |
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59 <span class="c"> */</span> |
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60 |
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61 <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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62 <span class="nx">TAG_NAME</span> <span class="o">=</span> <span class="s1">'tagName'</span><span class="o">,</span> |
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63 <span class="nx">ATTRIBUTES</span> <span class="o">=</span> <span class="s1">'attributes'</span><span class="o">,</span> |
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64 <span class="nx">COMBINATOR</span> <span class="o">=</span> <span class="s1">'combinator'</span><span class="o">,</span> |
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65 <span class="nx">PSEUDOS</span> <span class="o">=</span> <span class="s1">'pseudos'</span><span class="o">,</span> |
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66 |
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67 <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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68 |
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69 <span class="nx">SelectorCSS2</span> <span class="o">=</span> <span class="o">{</span> |
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70 <span class="nx">SORT_RESULTS</span><span class="o">:</span> <span class="kc">true</span><span class="o">,</span> |
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71 <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="nx">tag</span><span class="o">)</span> <span class="o">{</span> |
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72 <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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73 <span class="nx">i</span><span class="o">,</span> |
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74 <span class="nx">children</span> <span class="o">=</span> <span class="o">[],</span> |
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75 <span class="nx">childNodes</span><span class="o">,</span> |
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76 <span class="nx">child</span><span class="o">;</span> |
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77 |
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78 <span class="k">if</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">tag</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">tags</span><span class="o">)</span> <span class="o">{</span> |
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79 <span class="nx">children</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">tags</span><span class="o">(</span><span class="nx">tag</span><span class="o">);</span> |
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80 <span class="o">}</span> <span class="k">else</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="o">(</span><span class="nx">ret</span> <span class="o">&&</span> <span class="nx">tag</span><span class="o">))</span> <span class="o">{</span> <span class="c">// only HTMLElements have children</span> |
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81 <span class="c"></span> <span class="nx">childNodes</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">childNodes</span><span class="o">;</span> |
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82 <span class="nx">ret</span> <span class="o">=</span> <span class="o">[];</span> |
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83 <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="o">(</span><span class="nx">child</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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84 <span class="k">if</span> <span class="o">(</span><span class="nx">child</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span> |
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85 <span class="k">if</span> <span class="o">(!</span><span class="nx">tag</span> <span class="o">||</span> <span class="nx">tag</span> <span class="o">===</span> <span class="nx">child</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span> |
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86 <span class="nx">ret</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">child</span><span class="o">);</span> |
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87 <span class="o">}</span> |
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88 <span class="o">}</span> |
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89 <span class="o">}</span> |
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90 <span class="o">}</span> |
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91 |
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92 <span class="k">return</span> <span class="nx">ret</span> <span class="o">||</span> <span class="o">[];</span> |
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93 <span class="o">},</span> |
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94 |
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95 <span class="nx">_regexCache</span><span class="o">:</span> <span class="o">{},</span> |
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96 |
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97 <span class="nx">_re</span><span class="o">:</span> <span class="o">{</span> |
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98 <span class="nx">attr</span><span class="o">:</span> <span class="sr">/(\[.*\])/g</span><span class="o">,</span> |
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99 <span class="nx">pseudos</span><span class="o">:</span> <span class="sr">/:([\-\w]+(?:\(?:['"]?(.+)['"]?\)))*/i</span> |
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100 <span class="o">},</span> |
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101 |
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102 <span class="c">/**</span> |
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103 <span class="c"> * Mapping of shorthand tokens to corresponding attribute selector </span> |
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104 <span class="c"> * @property shorthand</span> |
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105 <span class="c"> * @type object</span> |
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106 <span class="c"> */</span> |
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107 <span class="nx">shorthand</span><span class="o">:</span> <span class="o">{</span> |
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108 <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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109 <span class="s1">'\\.(-?[_a-z]+[-\\w]*)'</span><span class="o">:</span> <span class="s1">'[className~=$1]'</span> |
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110 <span class="o">},</span> |
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111 |
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112 <span class="c">/**</span> |
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113 <span class="c"> * List of operators and corresponding boolean functions. </span> |
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114 <span class="c"> * These functions are passed the attribute and the current node's value of the attribute.</span> |
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115 <span class="c"> * @property operators</span> |
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116 <span class="c"> * @type object</span> |
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117 <span class="c"> */</span> |
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118 <span class="nx">operators</span><span class="o">:</span> <span class="o">{</span> |
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119 <span class="s1">''</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">attr</span><span class="o">)</span> <span class="o">{</span> <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">DOM</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">attr</span><span class="o">)</span> <span class="o">!==</span> <span class="s1">''</span><span class="o">;</span> <span class="o">},</span> <span class="c">// Just test for existence of attribute</span> |
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120 <span class="c"></span> <span class="c">//'': '.+',</span> |
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121 <span class="c"></span> <span class="c">//'=': '^{val}$', // equality</span> |
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122 <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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123 <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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124 <span class="c"></span> <span class="o">},</span> |
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125 |
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126 <span class="nx">pseudos</span><span class="o">:</span> <span class="o">{</span> |
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127 <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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128 <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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129 <span class="o">}</span> |
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130 <span class="o">},</span> |
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131 |
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132 <span class="nx">_bruteQuery</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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133 <span class="k">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="o">[],</span> |
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134 <span class="nx">nodes</span> <span class="o">=</span> <span class="o">[],</span> |
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135 <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> |
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136 <span class="nx">token</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> |
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137 <span class="nx">rootDoc</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">_getDoc</span><span class="o">(</span><span class="nx">root</span><span class="o">),</span> |
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138 <span class="nx">id</span><span class="o">,</span> |
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139 <span class="nx">className</span><span class="o">,</span> |
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140 <span class="nx">tagName</span><span class="o">;</span> |
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141 |
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142 |
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143 <span class="c">// if we have an initial ID, set to root when in document</span> |
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144 <span class="c"></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">rootDoc</span> <span class="o">===</span> <span class="nx">root</span> <span class="o">&&</span> |
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145 <span class="o">(</span><span class="nx">id</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> |
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146 <span class="nx">rootDoc</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">id</span><span class="o">))</span> <span class="o">{</span> |
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147 <span class="nx">root</span> <span class="o">=</span> <span class="nx">rootDoc</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">id</span><span class="o">);</span> |
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148 <span class="o">}</span> |
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149 |
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150 <span class="k">if</span> <span class="o">(</span><span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
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151 <span class="c">// prefilter nodes</span> |
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152 <span class="c"></span> <span class="nx">id</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">id</span><span class="o">;</span> |
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153 <span class="nx">className</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">className</span><span class="o">;</span> |
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154 <span class="nx">tagName</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">tagName</span> <span class="o">||</span> <span class="s1">'*'</span><span class="o">;</span> |
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155 |
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156 <span class="c">// try ID first</span> |
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157 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span> |
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158 <span class="k">if</span> <span class="o">(</span><span class="nx">rootDoc</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">id</span><span class="o">))</span> <span class="o">{</span> <span class="c">// if in document</span> |
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159 <span class="c"></span> <span class="nx">nodes</span> <span class="o">=</span> <span class="o">[</span><span class="nx">rootDoc</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">id</span><span class="o">)];</span> <span class="c">// TODO: DOM.byId?</span> |
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160 <span class="c"></span> <span class="o">}</span> |
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161 <span class="c">// try className if supported</span> |
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162 <span class="c"></span> <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">className</span><span class="o">)</span> <span class="o">{</span> |
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163 <span class="nx">nodes</span> <span class="o">=</span> <span class="nx">root</span><span class="o">.</span><span class="nx">getElementsByClassName</span><span class="o">(</span><span class="nx">className</span><span class="o">);</span> |
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164 <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span> <span class="c">// default to tagName</span> |
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165 <span class="c"></span> <span class="nx">nodes</span> <span class="o">=</span> <span class="nx">root</span><span class="o">.</span><span class="nx">getElementsByTagName</span><span class="o">(</span><span class="nx">tagName</span> <span class="o">||</span> <span class="s1">'*'</span><span class="o">);</span> |
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166 <span class="o">}</span> |
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167 |
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168 <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> |
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169 <span class="nx">ret</span> <span class="o">=</span> <span class="nx">Selector</span><span class="o">.</span><span class="nx">_filterNodes</span><span class="o">(</span><span class="nx">nodes</span><span class="o">,</span> <span class="nx">tokens</span><span class="o">,</span> <span class="nx">firstOnly</span><span class="o">);</span> |
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170 <span class="o">}</span> |
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171 <span class="o">}</span> |
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172 |
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173 <span class="k">return</span> <span class="nx">ret</span><span class="o">;</span> |
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174 <span class="o">},</span> |
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175 |
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176 <span class="nx">_filterNodes</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">nodes</span><span class="o">,</span> <span class="nx">tokens</span><span class="o">,</span> <span class="nx">firstOnly</span><span class="o">)</span> <span class="o">{</span> |
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177 <span class="k">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> |
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178 <span class="nx">j</span><span class="o">,</span> |
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179 <span class="nx">len</span> <span class="o">=</span> <span class="nx">tokens</span><span class="o">.</span><span class="nx">length</span><span class="o">,</span> |
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180 <span class="nx">n</span> <span class="o">=</span> <span class="nx">len</span> <span class="o">-</span> <span class="m">1</span><span class="o">,</span> |
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181 <span class="nx">result</span> <span class="o">=</span> <span class="o">[],</span> |
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182 <span class="nx">node</span> <span class="o">=</span> <span class="nx">nodes</span><span class="o">[</span><span class="m">0</span><span class="o">],</span> |
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183 <span class="nx">tmpNode</span> <span class="o">=</span> <span class="nx">node</span><span class="o">,</span> |
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184 <span class="nx">getters</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">getters</span><span class="o">,</span> |
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185 <span class="nx">operator</span><span class="o">,</span> |
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186 <span class="nx">combinator</span><span class="o">,</span> |
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187 <span class="nx">token</span><span class="o">,</span> |
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188 <span class="nx">path</span><span class="o">,</span> |
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189 <span class="nx">pass</span><span class="o">,</span> |
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190 <span class="c">//FUNCTION = 'function',</span> |
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191 <span class="c"></span> <span class="nx">value</span><span class="o">,</span> |
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192 <span class="nx">tests</span><span class="o">,</span> |
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193 <span class="nx">test</span><span class="o">;</span> |
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194 |
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195 <span class="c">//do {</span> |
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196 <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="o">(</span><span class="nx">tmpNode</span> <span class="o">=</span> <span class="nx">node</span> <span class="o">=</span> <span class="nx">nodes</span><span class="o">[</span><span class="nx">i</span><span class="o">++]);)</span> <span class="o">{</span> |
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197 <span class="nx">n</span> <span class="o">=</span> <span class="nx">len</span> <span class="o">-</span> <span class="m">1</span><span class="o">;</span> |
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198 <span class="nx">path</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span> |
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199 |
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200 <span class="nx">testLoop</span><span class="o">:</span> |
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201 <span class="k">while</span> <span class="o">(</span><span class="nx">tmpNode</span> <span class="o">&&</span> <span class="nx">tmpNode</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span> |
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202 <span class="nx">token</span> <span class="o">=</span> <span class="nx">tokens</span><span class="o">[</span><span class="nx">n</span><span class="o">];</span> |
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203 <span class="nx">tests</span> <span class="o">=</span> <span class="nx">token</span><span class="o">.</span><span class="nx">tests</span><span class="o">;</span> |
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204 <span class="nx">j</span> <span class="o">=</span> <span class="nx">tests</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> |
|
205 <span class="k">if</span> <span class="o">(</span><span class="nx">j</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">pass</span><span class="o">)</span> <span class="o">{</span> |
|
206 <span class="k">while</span> <span class="o">((</span><span class="nx">test</span> <span class="o">=</span> <span class="nx">tests</span><span class="o">[--</span><span class="nx">j</span><span class="o">]))</span> <span class="o">{</span> |
|
207 <span class="nx">operator</span> <span class="o">=</span> <span class="nx">test</span><span class="o">[</span><span class="m">1</span><span class="o">];</span> |
|
208 <span class="k">if</span> <span class="o">(</span><span class="nx">getters</span><span class="o">[</span><span class="nx">test</span><span class="o">[</span><span class="m">0</span><span class="o">]])</span> <span class="o">{</span> |
|
209 <span class="nx">value</span> <span class="o">=</span> <span class="nx">getters</span><span class="o">[</span><span class="nx">test</span><span class="o">[</span><span class="m">0</span><span class="o">]](</span><span class="nx">tmpNode</span><span class="o">,</span> <span class="nx">test</span><span class="o">[</span><span class="m">0</span><span class="o">]);</span> |
|
210 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
211 <span class="nx">value</span> <span class="o">=</span> <span class="nx">tmpNode</span><span class="o">[</span><span class="nx">test</span><span class="o">[</span><span class="m">0</span><span class="o">]];</span> |
|
212 <span class="c">// use getAttribute for non-standard attributes</span> |
|
213 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">value</span> <span class="o">===</span> <span class="kc">undefined</span> <span class="o">&&</span> <span class="nx">tmpNode</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">)</span> <span class="o">{</span> |
|
214 <span class="nx">value</span> <span class="o">=</span> <span class="nx">tmpNode</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="nx">test</span><span class="o">[</span><span class="m">0</span><span class="o">]);</span> |
|
215 <span class="o">}</span> |
|
216 <span class="o">}</span> |
|
217 |
|
218 <span class="k">if</span> <span class="o">((</span><span class="nx">operator</span> <span class="o">===</span> <span class="s1">'='</span> <span class="o">&&</span> <span class="nx">value</span> <span class="o">!==</span> <span class="nx">test</span><span class="o">[</span><span class="m">2</span><span class="o">])</span> <span class="o">||</span> <span class="c">// fast path for equality</span> |
|
219 <span class="c"></span> <span class="o">(</span><span class="nx">operator</span><span class="o">.</span><span class="nx">test</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">operator</span><span class="o">.</span><span class="nx">test</span><span class="o">(</span><span class="nx">value</span><span class="o">))</span> <span class="o">||</span> <span class="c">// regex test</span> |
|
220 <span class="c"></span> <span class="o">(</span><span class="nx">operator</span><span class="o">.</span><span class="nx">call</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">operator</span><span class="o">(</span><span class="nx">tmpNode</span><span class="o">,</span> <span class="nx">test</span><span class="o">[</span><span class="m">0</span><span class="o">])))</span> <span class="o">{</span> <span class="c">// function test</span> |
|
221 <span class="c"></span> |
|
222 <span class="c">// skip non element nodes or non-matching tags</span> |
|
223 <span class="c"></span> <span class="k">if</span> <span class="o">((</span><span class="nx">tmpNode</span> <span class="o">=</span> <span class="nx">tmpNode</span><span class="o">[</span><span class="nx">path</span><span class="o">]))</span> <span class="o">{</span> |
|
224 <span class="k">while</span> <span class="o">(</span><span class="nx">tmpNode</span> <span class="o">&&</span> |
|
225 <span class="o">(!</span><span class="nx">tmpNode</span><span class="o">.</span><span class="nx">tagName</span> <span class="o">||</span> |
|
226 <span class="o">(</span><span class="nx">token</span><span class="o">.</span><span class="nx">tagName</span> <span class="o">&&</span> <span class="nx">token</span><span class="o">.</span><span class="nx">tagName</span> <span class="o">!==</span> <span class="nx">tmpNode</span><span class="o">.</span><span class="nx">tagName</span><span class="o">))</span> |
|
227 <span class="o">)</span> <span class="o">{</span> |
|
228 <span class="nx">tmpNode</span> <span class="o">=</span> <span class="nx">tmpNode</span><span class="o">[</span><span class="nx">path</span><span class="o">];</span> |
|
229 <span class="o">}</span> |
|
230 <span class="o">}</span> |
|
231 <span class="k">continue</span> <span class="nx">testLoop</span><span class="o">;</span> |
|
232 <span class="o">}</span> |
|
233 <span class="o">}</span> |
|
234 <span class="o">}</span> |
|
235 |
|
236 <span class="nx">n</span><span class="o">--;</span> <span class="c">// move to next token</span> |
|
237 <span class="c"></span> <span class="c">// now that we've passed the test, move up the tree by combinator</span> |
|
238 <span class="c"></span> <span class="k">if</span> <span class="o">(!</span><span class="nx">pass</span> <span class="o">&&</span> <span class="o">(</span><span class="nx">combinator</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> |
|
239 <span class="nx">path</span> <span class="o">=</span> <span class="nx">combinator</span><span class="o">.</span><span class="nx">axis</span><span class="o">;</span> |
|
240 <span class="nx">tmpNode</span> <span class="o">=</span> <span class="nx">tmpNode</span><span class="o">[</span><span class="nx">path</span><span class="o">];</span> |
|
241 |
|
242 <span class="c">// skip non element nodes</span> |
|
243 <span class="c"></span> <span class="k">while</span> <span class="o">(</span><span class="nx">tmpNode</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">tmpNode</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span> |
|
244 <span class="nx">tmpNode</span> <span class="o">=</span> <span class="nx">tmpNode</span><span class="o">[</span><span class="nx">path</span><span class="o">];</span> |
|
245 <span class="o">}</span> |
|
246 |
|
247 <span class="k">if</span> <span class="o">(</span><span class="nx">combinator</span><span class="o">.</span><span class="nx">direct</span><span class="o">)</span> <span class="o">{</span> <span class="c">// one pass only</span> |
|
248 <span class="c"></span> <span class="nx">path</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span> |
|
249 <span class="o">}</span> |
|
250 |
|
251 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> <span class="c">// success if we made it this far</span> |
|
252 <span class="c"></span> <span class="nx">result</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">node</span><span class="o">);</span> |
|
253 <span class="k">if</span> <span class="o">(</span><span class="nx">firstOnly</span><span class="o">)</span> <span class="o">{</span> |
|
254 <span class="k">return</span> <span class="nx">result</span><span class="o">;</span> |
|
255 <span class="o">}</span> |
|
256 <span class="k">break</span><span class="o">;</span> |
|
257 <span class="o">}</span> |
|
258 <span class="o">}</span> |
|
259 <span class="o">}</span><span class="c">// while (tmpNode = node = nodes[++i]);</span> |
|
260 <span class="c"></span> <span class="nx">node</span> <span class="o">=</span> <span class="nx">tmpNode</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span> |
|
261 <span class="k">return</span> <span class="nx">result</span><span class="o">;</span> |
|
262 <span class="o">},</span> |
|
263 |
|
264 <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> |
|
265 <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> |
|
266 <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> |
|
267 <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> |
|
268 <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> |
|
269 <span class="o">}</span> |
|
270 <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> |
|
271 <span class="o">},</span> |
|
272 |
|
273 <span class="nx">combinators</span><span class="o">:</span> <span class="o">{</span> |
|
274 <span class="s1">' '</span><span class="o">:</span> <span class="o">{</span> |
|
275 <span class="nx">axis</span><span class="o">:</span> <span class="s1">'parentNode'</span> |
|
276 <span class="o">},</span> |
|
277 |
|
278 <span class="s1">'>'</span><span class="o">:</span> <span class="o">{</span> |
|
279 <span class="nx">axis</span><span class="o">:</span> <span class="s1">'parentNode'</span><span class="o">,</span> |
|
280 <span class="nx">direct</span><span class="o">:</span> <span class="kc">true</span> |
|
281 <span class="o">},</span> |
|
282 |
|
283 |
|
284 <span class="s1">'+'</span><span class="o">:</span> <span class="o">{</span> |
|
285 <span class="nx">axis</span><span class="o">:</span> <span class="s1">'previousSibling'</span><span class="o">,</span> |
|
286 <span class="nx">direct</span><span class="o">:</span> <span class="kc">true</span> |
|
287 <span class="o">}</span> |
|
288 <span class="o">},</span> |
|
289 |
|
290 <span class="nx">_parsers</span><span class="o">:</span> <span class="o">[</span> |
|
291 <span class="o">{</span> |
|
292 <span class="nx">name</span><span class="o">:</span> <span class="nx">ATTRIBUTES</span><span class="o">,</span> |
|
293 <span class="nx">re</span><span class="o">:</span> <span class="sr">/^\[([a-z]+\w*)+([~\|\^\$\*!=]=?)?['"]?([^\]]*?)['"]?\]/i</span><span class="o">,</span> |
|
294 <span class="nx">fn</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">match</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
295 <span class="k">var</span> <span class="nx">operator</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="s1">''</span><span class="o">,</span> |
|
296 <span class="nx">operators</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">operators</span><span class="o">,</span> |
|
297 <span class="nx">test</span><span class="o">;</span> |
|
298 |
|
299 <span class="c">// add prefiltering for ID and CLASS</span> |
|
300 <span class="c"></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">operator</span> <span class="o">===</span> <span class="s1">'='</span><span class="o">)</span> <span class="o">||</span> |
|
301 <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">'className'</span> <span class="o">&&</span> |
|
302 <span class="nb">document</span><span class="o">.</span><span class="nx">getElementsByClassName</span> <span class="o">&&</span> |
|
303 <span class="o">(</span><span class="nx">operator</span> <span class="o">===</span> <span class="s1">'~='</span> <span class="o">||</span> <span class="nx">operator</span> <span class="o">===</span> <span class="s1">'='</span><span class="o">)))</span> <span class="o">{</span> |
|
304 <span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span> <span class="o">=</span> <span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">];</span> |
|
305 <span class="nx">token</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="nx">match</span><span class="o">[</span><span class="m">3</span><span class="o">];</span> |
|
306 <span class="o">}</span> |
|
307 |
|
308 <span class="c">// add tests</span> |
|
309 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">operator</span> <span class="k">in</span> <span class="nx">operators</span><span class="o">)</span> <span class="o">{</span> |
|
310 <span class="nx">test</span> <span class="o">=</span> <span class="nx">operators</span><span class="o">[</span><span class="nx">operator</span><span class="o">];</span> |
|
311 <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> |
|
312 <span class="nx">test</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">_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">match</span><span class="o">[</span><span class="m">3</span><span class="o">]));</span> |
|
313 <span class="o">}</span> |
|
314 <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">test</span><span class="o">;</span> |
|
315 <span class="o">}</span> |
|
316 <span class="k">if</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">token</span><span class="o">.</span><span class="nx">prefilter</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> |
|
317 <span class="k">return</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> |
|
318 <span class="o">}</span> |
|
319 <span class="o">}</span> |
|
320 |
|
321 <span class="o">},</span> |
|
322 <span class="o">{</span> |
|
323 <span class="nx">name</span><span class="o">:</span> <span class="nx">TAG_NAME</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">match</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
326 <span class="k">var</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> |
|
327 <span class="nx">token</span><span class="o">.</span><span class="nx">tagName</span> <span class="o">=</span> <span class="nx">tag</span><span class="o">;</span> |
|
328 |
|
329 <span class="k">if</span> <span class="o">(</span><span class="nx">tag</span> <span class="o">!==</span> <span class="s1">'*'</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">token</span><span class="o">.</span><span class="nx">prefilter</span><span class="o">))</span> <span class="o">{</span> |
|
330 <span class="k">return</span> <span class="o">[</span><span class="nx">TAG_NAME</span><span class="o">,</span> <span class="s1">'='</span><span class="o">,</span> <span class="nx">tag</span><span class="o">];</span> |
|
331 <span class="o">}</span> |
|
332 <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> |
|
333 <span class="nx">token</span><span class="o">.</span><span class="nx">prefilter</span> <span class="o">=</span> <span class="s1">'tagName'</span><span class="o">;</span> |
|
334 <span class="o">}</span> |
|
335 <span class="o">}</span> |
|
336 <span class="o">},</span> |
|
337 <span class="o">{</span> |
|
338 <span class="nx">name</span><span class="o">:</span> <span class="nx">COMBINATOR</span><span class="o">,</span> |
|
339 <span class="nx">re</span><span class="o">:</span> <span class="sr">/^\s*([>+~]|\s)\s*/</span><span class="o">,</span> |
|
340 <span class="nx">fn</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">match</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
341 <span class="o">}</span> |
|
342 <span class="o">},</span> |
|
343 <span class="o">{</span> |
|
344 <span class="nx">name</span><span class="o">:</span> <span class="nx">PSEUDOS</span><span class="o">,</span> |
|
345 <span class="nx">re</span><span class="o">:</span> <span class="sr">/^:([\-\w]+)(?:\(['"]?(.+)['"]?\))*/i</span><span class="o">,</span> |
|
346 <span class="nx">fn</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">match</span><span class="o">,</span> <span class="nx">token</span><span class="o">)</span> <span class="o">{</span> |
|
347 <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">PSEUDOS</span><span class="o">][</span><span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">]];</span> |
|
348 <span class="k">if</span> <span class="o">(</span><span class="nx">test</span><span class="o">)</span> <span class="o">{</span> <span class="c">// reorder match array</span> |
|
349 <span class="c"></span> <span class="k">return</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> |
|
350 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> <span class="c">// selector token not supported (possibly missing CSS3 module)</span> |
|
351 <span class="c"></span> <span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
352 <span class="o">}</span> |
|
353 <span class="o">}</span> |
|
354 <span class="o">}</span> |
|
355 <span class="o">],</span> |
|
356 |
|
357 <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> |
|
358 <span class="k">return</span> <span class="o">{</span> |
|
359 <span class="nx">tagName</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span> |
|
360 <span class="nx">id</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span> |
|
361 <span class="nx">className</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span> |
|
362 <span class="nx">attributes</span><span class="o">:</span> <span class="o">{},</span> |
|
363 <span class="nx">combinator</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span> |
|
364 <span class="nx">tests</span><span class="o">:</span> <span class="o">[]</span> |
|
365 <span class="o">};</span> |
|
366 <span class="o">},</span> |
|
367 |
|
368 <span class="c">/**</span> |
|
369 <span class="c"> Break selector into token units per simple selector.</span> |
|
370 <span class="c"> Combinator is attached to the previous token.</span> |
|
371 <span class="c"> */</span> |
|
372 <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="o">{</span> |
|
373 <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> |
|
374 <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> |
|
375 <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> |
|
376 <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> |
|
377 <span class="c"></span> <span class="nx">tokens</span> <span class="o">=</span> <span class="o">[],</span> <span class="c">// array of tokens</span> |
|
378 <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> |
|
379 <span class="c"></span> <span class="nx">match</span><span class="o">,</span> <span class="c">// the regex match</span> |
|
380 <span class="c"></span> <span class="nx">test</span><span class="o">,</span> |
|
381 <span class="nx">i</span><span class="o">,</span> <span class="nx">parser</span><span class="o">;</span> |
|
382 |
|
383 <span class="c">/*</span> |
|
384 <span class="c"> Search for selector patterns, store, and strip them from the selector string</span> |
|
385 <span class="c"> until no patterns match (invalid selector) or we run out of chars.</span> |
|
386 <span class="c"></span> |
|
387 <span class="c"> Multiple attributes and pseudos are allowed, in any order.</span> |
|
388 <span class="c"> for example:</span> |
|
389 <span class="c"> 'form:first-child[type=button]:not(button)[lang|=en]'</span> |
|
390 <span class="c"> */</span> |
|
391 <span class="nx">outer</span><span class="o">:</span> |
|
392 <span class="k">do</span> <span class="o">{</span> |
|
393 <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> |
|
394 <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="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> |
|
395 <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> |
|
396 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">parser</span> <span class="o">!==</span> <span class="nx">COMBINATOR</span> <span class="o">)</span> <span class="o">{</span> |
|
397 <span class="nx">token</span><span class="o">.</span><span class="nx">selector</span> <span class="o">=</span> <span class="nx">selector</span><span class="o">;</span> |
|
398 <span class="o">}</span> |
|
399 <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> |
|
400 <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="o">{</span> |
|
401 <span class="nx">token</span><span class="o">.</span><span class="nx">last</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
402 <span class="o">}</span> |
|
403 |
|
404 <span class="k">if</span> <span class="o">(</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">_attrFilters</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="c">// convert class to className, etc.</span> |
|
405 <span class="c"></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="nx">Selector</span><span class="o">.</span><span class="nx">_attrFilters</span><span class="o">[</span><span class="nx">match</span><span class="o">[</span><span class="m">1</span><span class="o">]];</span> |
|
406 <span class="o">}</span> |
|
407 |
|
408 <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">match</span><span class="o">,</span> <span class="nx">token</span><span class="o">);</span> |
|
409 <span class="k">if</span> <span class="o">(</span><span class="nx">test</span> <span class="o">===</span> <span class="kc">false</span><span class="o">)</span> <span class="o">{</span> <span class="c">// selector not supported</span> |
|
410 <span class="c"></span> <span class="nx">found</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span> |
|
411 <span class="k">break</span> <span class="nx">outer</span><span class="o">;</span> |
|
412 <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="o">{</span> |
|
413 <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">test</span><span class="o">);</span> |
|
414 <span class="o">}</span> |
|
415 |
|
416 <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> |
|
417 <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> |
|
418 <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> |
|
419 <span class="k">if</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> |
|
420 <span class="nx">token</span><span class="o">.</span><span class="nx">combinator</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">combinators</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="o">}</span> |
|
422 <span class="o">}</span> |
|
423 <span class="nx">found</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
424 <span class="o">}</span> |
|
425 <span class="o">}</span> |
|
426 <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> |
|
427 |
|
428 <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> |
|
429 <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> |
|
430 <span class="nx">tokens</span> <span class="o">=</span> <span class="o">[];</span> |
|
431 <span class="o">}</span> |
|
432 <span class="k">return</span> <span class="nx">tokens</span><span class="o">;</span> |
|
433 <span class="o">},</span> |
|
434 |
|
435 <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> |
|
436 <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> |
|
437 <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> |
|
438 <span class="c"></span> <span class="nx">pseudos</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">pseudos</span><span class="o">),</span> <span class="c">// pull attributes to avoid false pos on "." and "#"</span> |
|
439 <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> |
|
440 |
|
441 <span class="k">if</span> <span class="o">(</span><span class="nx">pseudos</span><span class="o">)</span> <span class="o">{</span> |
|
442 <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">pseudos</span><span class="o">,</span> <span class="s1">'!!REPLACED_PSEUDO!!'</span><span class="o">);</span> |
|
443 <span class="o">}</span> |
|
444 |
|
445 <span class="k">if</span> <span class="o">(</span><span class="nx">attrs</span><span class="o">)</span> <span class="o">{</span> |
|
446 <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> |
|
447 <span class="o">}</span> |
|
448 |
|
449 <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> |
|
450 <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> |
|
451 <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> |
|
452 <span class="o">}</span> |
|
453 <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="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> |
|
457 <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> |
|
458 <span class="o">}</span> |
|
459 <span class="o">}</span> |
|
460 <span class="k">if</span> <span class="o">(</span><span class="nx">pseudos</span><span class="o">)</span> <span class="o">{</span> |
|
461 <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">pseudos</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> |
|
462 <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_PSEUDO!!'</span><span class="o">,</span> <span class="nx">pseudos</span><span class="o">[</span><span class="nx">i</span><span class="o">]);</span> |
|
463 <span class="o">}</span> |
|
464 <span class="o">}</span> |
|
465 <span class="k">return</span> <span class="nx">selector</span><span class="o">;</span> |
|
466 <span class="o">},</span> |
|
467 |
|
468 <span class="nx">_attrFilters</span><span class="o">:</span> <span class="o">{</span> |
|
469 <span class="s1">'class'</span><span class="o">:</span> <span class="s1">'className'</span><span class="o">,</span> |
|
470 <span class="s1">'for'</span><span class="o">:</span> <span class="s1">'htmlFor'</span> |
|
471 <span class="o">},</span> |
|
472 |
|
473 <span class="nx">getters</span><span class="o">:</span> <span class="o">{</span> |
|
474 <span class="nx">href</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">attr</span><span class="o">)</span> <span class="o">{</span> |
|
475 <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">attr</span><span class="o">);</span> |
|
476 <span class="o">}</span> |
|
477 <span class="o">}</span> |
|
478 <span class="o">};</span> |
|
479 |
|
480 <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> |
|
481 <span class="nx">Y</span><span class="o">.</span><span class="nx">Selector</span><span class="o">.</span><span class="nx">getters</span><span class="o">.</span><span class="nx">src</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">getters</span><span class="o">.</span><span class="nx">rel</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">getters</span><span class="o">.</span><span class="nx">href</span><span class="o">;</span> |
|
482 |
|
483 <span class="c">// IE wants class with native queries</span> |
|
484 <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">useNative</span> <span class="o">&&</span> <span class="nb">document</span><span class="o">.</span><span class="nx">querySelector</span><span class="o">)</span> <span class="o">{</span> |
|
485 <span class="nx">Y</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="s1">'\\.(-?[_a-z]+[-\\w]*)'</span><span class="o">]</span> <span class="o">=</span> <span class="s1">'[class~=$1]'</span><span class="o">;</span> |
|
486 <span class="o">}</span> |
|
487 </pre></div> |
|
488 |
|
489 </div> |
|
490 </div> |
|
491 </div> |
|
492 <div class="yui-b"> |
|
493 <div class="nav"> |
|
494 |
|
495 <div id="moduleList" class="module"> |
|
496 <h4>Modules</h4> |
|
497 <ul class="content"> |
|
498 <li class=""><a href="module_anim.html" title="anim">anim</a></li> |
|
499 <li class=""><a href="module_async-queue.html" title="async-queue">async-queue</a></li> |
|
500 <li class=""><a href="module_attribute.html" title="attribute">attribute</a></li> |
|
501 <li class=""><a href="module_base.html" title="base">base</a></li> |
|
502 <li class=""><a href="module_cache.html" title="cache">cache</a></li> |
|
503 <li class=""><a href="module_classnamemanager.html" title="classnamemanager">classnamemanager</a></li> |
|
504 <li class=""><a href="module_collection.html" title="collection">collection</a></li> |
|
505 <li class=""><a href="module_console.html" title="console">console</a></li> |
|
506 <li class=""><a href="module_console-filters.html" title="console-filters">console-filters</a></li> |
|
507 <li class=""><a href="module_cookie.html" title="cookie">cookie</a></li> |
|
508 <li class=""><a href="module_dataschema.html" title="dataschema">dataschema</a></li> |
|
509 <li class=""><a href="module_datasource.html" title="datasource">datasource</a></li> |
|
510 <li class=""><a href="module_datatype.html" title="datatype">datatype</a></li> |
|
511 <li class=""><a href="module_dd.html" title="dd">dd</a></li> |
|
512 <li class="selected"><a href="module_dom.html" title="dom">dom</a></li> |
|
513 <li class=""><a href="module_dump.html" title="dump">dump</a></li> |
|
514 <li class=""><a href="module_event.html" title="event">event</a></li> |
|
515 <li class=""><a href="module_event-custom.html" title="event-custom">event-custom</a></li> |
|
516 <li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li> |
|
517 <li class=""><a href="module_history.html" title="history">history</a></li> |
|
518 <li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li> |
|
519 <li class=""><a href="module_io.html" title="io">io</a></li> |
|
520 <li class=""><a href="module_json.html" title="json">json</a></li> |
|
521 <li class=""><a href="module_node.html" title="node">node</a></li> |
|
522 <li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li> |
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523 <li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li> |
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524 <li class=""><a href="module_oop.html" title="oop">oop</a></li> |
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525 <li class=""><a href="module_overlay.html" title="overlay">overlay</a></li> |
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526 <li class=""><a href="module_plugin.html" title="plugin">plugin</a></li> |
|
527 <li class=""><a href="module_profiler.html" title="profiler">profiler</a></li> |
|
528 <li class=""><a href="module_queue-promote.html" title="queue-promote">queue-promote</a></li> |
|
529 <li class=""><a href="module_slider.html" title="slider">slider</a></li> |
|
530 <li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li> |
|
531 <li class=""><a href="module_substitute.html" title="substitute">substitute</a></li> |
|
532 <li class=""><a href="module_test.html" title="test">test</a></li> |
|
533 <li class=""><a href="module_widget.html" title="widget">widget</a></li> |
|
534 <li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li> |
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535 <li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li> |
|
536 <li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li> |
|
537 <li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li> |
|
538 <li class=""><a href="module_yui.html" title="yui">yui</a></li> |
|
539 </ul> |
|
540 </div> |
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541 |
|
542 <div id="classList" class="module"> |
|
543 <h4>Classes</h4> |
|
544 <ul class="content"> |
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545 <li class=""><a href="DOM.html" title="DOM">DOM</a></li> |
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546 <li class=""><a href="Selector.html" title="Selector">Selector</a></li> |
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547 </ul> |
|
548 </div> |
|
549 |
|
550 <div id="fileList" class="module"> |
|
551 <h4>Files</h4> |
|
552 <ul class="content"> |
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553 <li class=""><a href="color.js.html" title="color.js">color.js</a></li> |
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554 <li class=""><a href="dom-class.js.html" title="dom-class.js">dom-class.js</a></li> |
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555 <li class=""><a href="dom-ie-style.js.html" title="dom-ie-style.js">dom-ie-style.js</a></li> |
|
556 <li class=""><a href="dom-region.js.html" title="dom-region.js">dom-region.js</a></li> |
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557 <li class=""><a href="dom-screen.js.html" title="dom-screen.js">dom-screen.js</a></li> |
|
558 <li class=""><a href="dom-style.js.html" title="dom-style.js">dom-style.js</a></li> |
|
559 <li class=""><a href="dom.js.html" title="dom.js">dom.js</a></li> |
|
560 <li class="selected"><a href="selector-css2.js.html" title="selector-css2.js">selector-css2.js</a></li> |
|
561 <li class=""><a href="selector-css3.js.html" title="selector-css3.js">selector-css3.js</a></li> |
|
562 <li class=""><a href="selector-native.js.html" title="selector-native.js">selector-native.js</a></li> |
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563 </ul> |
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564 </div> |
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565 |
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566 |
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567 |
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568 |
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569 |
|
570 </div> |
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571 </div> |
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572 </div> |
|
573 <div id="ft"> |
|
574 <hr /> |
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575 Copyright © 2009 Yahoo! Inc. All rights reserved. |
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576 </div> |
|
577 </div> |
|
578 <script type="text/javascript"> |
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580 </script> |
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581 </body> |
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582 </html> |