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<pre><span class="ruby-comment cmt"># File lib/action_controller/vendor/html-scanner/html/selector.rb, line 471</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">select_first</span>(<span class="ruby-identifier">root</span>)
<span class="ruby-identifier">stack</span> = [<span class="ruby-identifier">root</span>]
<span class="ruby-keyword kw">while</span> <span class="ruby-identifier">node</span> = <span class="ruby-identifier">stack</span>.<span class="ruby-identifier">pop</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">node</span>.<span class="ruby-identifier">tag?</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">subset</span> = <span class="ruby-identifier">match</span>(<span class="ruby-identifier">node</span>, <span class="ruby-keyword kw">true</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">subset</span>.<span class="ruby-identifier">first</span> <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">subset</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">children</span> = <span class="ruby-identifier">node</span>.<span class="ruby-identifier">children</span>
<span class="ruby-identifier">stack</span>.<span class="ruby-identifier">concat</span> <span class="ruby-identifier">children</span>.<span class="ruby-identifier">reverse</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">nil</span>
<span class="ruby-keyword kw">end</span></pre>
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distrib
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Mandriva
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2010.0
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i586
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media
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contrib-release
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by-pkgid
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8b99df826c3b6cf56a1caaae5f931d50
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files
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