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<title>XML::Parser::Style::Tree - Tree style for XML::Parser</title>
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<h1><a>XML::Parser::Style::Tree - Tree style for XML::Parser</a></h1>
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<li><a href="#name">NAME</a></li>
<li><a href="#synopsis">SYNOPSIS</a></li>
<li><a href="#description">DESCRIPTION</a></li>
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<h1><a name="name">NAME</a></h1>
<p>XML::Parser::Style::Tree - Tree style for XML::Parser</p>
<p>
</p>
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<h1><a name="synopsis">SYNOPSIS</a></h1>
<pre>
<span class="keyword">use</span> <span class="variable">XML::Parser</span><span class="operator">;</span>
<span class="keyword">my</span> <span class="variable">$p</span> <span class="operator">=</span> <span class="variable">XML::Parser</span><span class="operator">-></span><span class="variable">new</span><span class="operator">(</span><span class="string">Style</span> <span class="operator">=></span> <span class="string">'Tree'</span><span class="operator">);</span>
<span class="keyword">my</span> <span class="variable">$tree</span> <span class="operator">=</span> <span class="variable">$p</span><span class="operator">-></span><span class="variable">parsefile</span><span class="operator">(</span><span class="string">'foo.xml'</span><span class="operator">);</span>
</pre>
<p>
</p>
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<h1><a name="description">DESCRIPTION</a></h1>
<p>This module implements XML::Parser's Tree style parser.</p>
<p>When parsing a document, <code>parse()</code> will return a parse tree for the
document. Each node in the tree
takes the form of a tag, content pair. Text nodes are represented with
a pseudo-tag of "0" and the string that is their content. For elements,
the content is an array reference. The first item in the array is a
(possibly empty) hash reference containing attributes. The remainder of
the array is a sequence of tag-content pairs representing the content
of the element.</p>
<p>So for example the result of parsing:</p>
<pre>
<foo><head id="a">Hello <em>there</em></head><bar>Howdy<ref/></bar>do</foo></pre>
<p>would be:</p>
<pre>
<span class="variable">Tag</span> <span class="variable">Content</span>
<span class="operator">==================================================================</span>
<span class="operator">[</span><span class="variable">foo</span><span class="operator">,</span> <span class="operator">[{}</span><span class="operator">,</span> <span class="variable">head</span><span class="operator">,</span> <span class="operator">[{</span><span class="string">id</span> <span class="operator">=></span> <span class="string">"a"</span><span class="operator">}</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="string">"Hello "</span><span class="operator">,</span> <span class="variable">em</span><span class="operator">,</span> <span class="operator">[{}</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="string">"there"</span><span class="operator">]]</span><span class="operator">,</span>
<span class="variable">bar</span><span class="operator">,</span> <span class="operator">[</span> <span class="operator">{}</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="string">"Howdy"</span><span class="operator">,</span> <span class="keyword">ref</span><span class="operator">,</span> <span class="operator">[{}]]</span><span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span> <span class="string">"do"</span>
<span class="operator">]</span>
<span class="operator">]</span>
</pre>
<p>The root document "foo", has 3 children: a "head" element, a "bar"
element and the text "do". After the empty attribute hash, these are
represented in it's contents by 3 tag-content pairs.</p>
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