xalan-c/apiDocs/classTreeWalker.html - xalan-site - Git at Google

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 <h2 align="center">Xalan-C++ API Documentation</h2>
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 <a href="#pub-methods">Public Member Functions</a> &#124;
 <a href="#pro-methods">Protected Member Functions</a>  </div>
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 <h1>TreeWalker Class Reference</h1>  </div>
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 <!-- doxytag: class="TreeWalker" -->
 <p><code>#include &lt;<a class="el" href="TreeWalker_8hpp_source.html">TreeWalker.hpp</a>&gt;</code></p>

 <p>Inherited by <a class="el" href="classFormatterTreeWalker.html">FormatterTreeWalker</a>, <a class="el" href="classNodeNameTreeWalker.html">NodeNameTreeWalker</a>, and <a class="el" href="classXalanDocumentPrefixResolver_1_1NamespaceNodesTreeWalker.html">XalanDocumentPrefixResolver::NamespaceNodesTreeWalker</a>.</p>

 <p><a href="classTreeWalker-members.html">List of all members.</a></p>
 <h2><a name="pub-methods"></a>
 Public Member Functions</h2>
 <ul>
 <li><a class="el" href="classTreeWalker.html#ae0ee9fa909d78735790a9cd721e1cb90">TreeWalker</a> ()
 <dl class="el"><dd class="mdescRight">Constructor.  <a href="#ae0ee9fa909d78735790a9cd721e1cb90"></a><br/></dl><li>virtual <a class="el" href="classTreeWalker.html#a149fbfeb561855e4ea2fb1ed29750baf">~TreeWalker</a> ()
 <li>const <a class="el" href="classXalanNode.html">XalanNode</a> * <a class="el" href="classTreeWalker.html#a5fcdad33cbaba7f07095f5db836dd2f0">traverse</a> (const <a class="el" href="classXalanNode.html">XalanNode</a> *pos)
 <dl class="el"><dd class="mdescRight">Perform a document-order traversal.  <a href="#a5fcdad33cbaba7f07095f5db836dd2f0"></a><br/></dl><li><a class="el" href="classXalanNode.html">XalanNode</a> * <a class="el" href="classTreeWalker.html#aa86e79713ec11e56024c2adf418394d2">traverse</a> (<a class="el" href="classXalanNode.html">XalanNode</a> *pos)
 <dl class="el"><dd class="mdescRight">Perform a document-order traversal.  <a href="#aa86e79713ec11e56024c2adf418394d2"></a><br/></dl><li>const <a class="el" href="classXalanNode.html">XalanNode</a> * <a class="el" href="classTreeWalker.html#ab83a8c9614475de763eb8d143a19bb6e">traverse</a> (const <a class="el" href="classXalanNode.html">XalanNode</a> *pos, const <a class="el" href="classXalanNode.html">XalanNode</a> *parent)
 <dl class="el"><dd class="mdescRight">Perform a document-order traversal stopping at the provided parent node.  <a href="#ab83a8c9614475de763eb8d143a19bb6e"></a><br/></dl><li><a class="el" href="classXalanNode.html">XalanNode</a> * <a class="el" href="classTreeWalker.html#a03382f1d278898fb3ed871a41bb38fbe">traverse</a> (<a class="el" href="classXalanNode.html">XalanNode</a> *pos, <a class="el" href="classXalanNode.html">XalanNode</a> *parent)
 <dl class="el"><dd class="mdescRight">Perform a document-order traversal stopping at the provided parent node.  <a href="#a03382f1d278898fb3ed871a41bb38fbe"></a><br/></dl><li>virtual void <a class="el" href="classTreeWalker.html#ade54c5f2708bef03cb4f28c51046f6e6">traverseSubtree</a> (const <a class="el" href="classXalanNode.html">XalanNode</a> *pos)
 <dl class="el"><dd class="mdescRight">Perform a pre-order traversal.  <a href="#ade54c5f2708bef03cb4f28c51046f6e6"></a><br/></dl><li>virtual void <a class="el" href="classTreeWalker.html#a6e20bdda8a430086711351ff68e4a35f">traverseSubtree</a> (<a class="el" href="classXalanNode.html">XalanNode</a> *pos)
 <dl class="el"><dd class="mdescRight">Perform a pre-order traversal.  <a href="#a6e20bdda8a430086711351ff68e4a35f"></a><br/></dl></ul>
 <h2><a name="pro-methods"></a>
 Protected Member Functions</h2>
 <ul>
 <li>virtual bool <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b">startNode</a> (const <a class="el" href="classXalanNode.html">XalanNode</a> *node)=0
 <dl class="el"><dd class="mdescRight">Called when first walking a node.  <a href="#a0830d7c43de92c10554775dbcd59526b"></a><br/></dl><li>virtual bool <a class="el" href="classTreeWalker.html#a8b397b497b075c49a1adb4ecf6670f50">startNode</a> (<a class="el" href="classXalanNode.html">XalanNode</a> *node)=0
 <dl class="el"><dd class="mdescRight">Called when first walking a node.  <a href="#a8b397b497b075c49a1adb4ecf6670f50"></a><br/></dl><li>virtual bool <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4">endNode</a> (const <a class="el" href="classXalanNode.html">XalanNode</a> *node)=0
 <dl class="el"><dd class="mdescRight">Called when leaving a node.  <a href="#a1c7ccec81444662d68ba4ce315fffdc4"></a><br/></dl><li>virtual bool <a class="el" href="classTreeWalker.html#ab5c73e0bdffba1abae8b9572d203c6e4">endNode</a> (<a class="el" href="classXalanNode.html">XalanNode</a> *node)=0
 <dl class="el"><dd class="mdescRight">Called when leaving a node.  <a href="#ab5c73e0bdffba1abae8b9572d203c6e4"></a><br/></dl></ul>
 <hr/><a name="_details"></a><h2>Detailed Description</h2>

 <p>Definition at line <a class="el" href="TreeWalker_8hpp_source.html#l00036">36</a> of file <a class="el" href="TreeWalker_8hpp_source.html">TreeWalker.hpp</a>.</p>
 <hr/><h2>Constructor &amp; Destructor Documentation</h2>
 <a class="anchor" id="ae0ee9fa909d78735790a9cd721e1cb90"></a><!-- doxytag: member="TreeWalker::TreeWalker" ref="ae0ee9fa909d78735790a9cd721e1cb90" args="()" -->
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           <td class="memname">TreeWalker::TreeWalker </td>
           <td>(</td>
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           <td>&nbsp;)&nbsp;</td>
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 <p>Constructor. </p>

 </div>
 </div>
 <a class="anchor" id="a149fbfeb561855e4ea2fb1ed29750baf"></a><!-- doxytag: member="TreeWalker::~TreeWalker" ref="a149fbfeb561855e4ea2fb1ed29750baf" args="()" -->
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           <td class="memname">virtual TreeWalker::~TreeWalker </td>
           <td>(</td>
           <td class="paramname"></td>
           <td>&nbsp;)&nbsp;</td>
           <td><code> [virtual]</code></td>
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 </div>
 </div>
 <hr/><h2>Member Function Documentation</h2>
 <a class="anchor" id="a1c7ccec81444662d68ba4ce315fffdc4"></a><!-- doxytag: member="TreeWalker::endNode" ref="a1c7ccec81444662d68ba4ce315fffdc4" args="(const XalanNode *node)=0" -->
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           <td class="memname">virtual bool TreeWalker::endNode </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>node</em></td>
           <td>&nbsp;)&nbsp;</td>
           <td><code> [protected, pure virtual]</code></td>
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 <p>Called when leaving a node. </p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>node</em>&nbsp;</td><td>The node</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>return false if the walk should continue, or true if it should not. </dd></dl>

 <p>Implemented in <a class="el" href="classXalanDocumentPrefixResolver_1_1NamespaceNodesTreeWalker.html#aa04093ddfb4627e837d24cb5937a722c">XalanDocumentPrefixResolver::NamespaceNodesTreeWalker</a>, <a class="el" href="classNodeNameTreeWalker.html#a95f6e440673b78124919d29c39af732c">NodeNameTreeWalker</a>, and <a class="el" href="classFormatterTreeWalker.html#a2532a0b1473a86b83a7033022e344d98">FormatterTreeWalker</a>.</p>

 </div>
 </div>
 <a class="anchor" id="ab5c73e0bdffba1abae8b9572d203c6e4"></a><!-- doxytag: member="TreeWalker::endNode" ref="ab5c73e0bdffba1abae8b9572d203c6e4" args="(XalanNode *node)=0" -->
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           <td class="memname">virtual bool TreeWalker::endNode </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>node</em></td>
           <td>&nbsp;)&nbsp;</td>
           <td><code> [protected, pure virtual]</code></td>
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 <p>Called when leaving a node. </p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>node</em>&nbsp;</td><td>The node</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>return false if the walk should continue, or true if it should not. </dd></dl>

 <p>Implemented in <a class="el" href="classXalanDocumentPrefixResolver_1_1NamespaceNodesTreeWalker.html#a9a8e87502fd793a66c3000fc15620584">XalanDocumentPrefixResolver::NamespaceNodesTreeWalker</a>, <a class="el" href="classNodeNameTreeWalker.html#a44e0dac363b60071cb44433fd8efeff9">NodeNameTreeWalker</a>, and <a class="el" href="classFormatterTreeWalker.html#a307db73321ba1d5ad0e730b4b172c1e5">FormatterTreeWalker</a>.</p>

 </div>
 </div>
 <a class="anchor" id="a8b397b497b075c49a1adb4ecf6670f50"></a><!-- doxytag: member="TreeWalker::startNode" ref="a8b397b497b075c49a1adb4ecf6670f50" args="(XalanNode *node)=0" -->
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           <td class="memname">virtual bool TreeWalker::startNode </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>node</em></td>
           <td>&nbsp;)&nbsp;</td>
           <td><code> [protected, pure virtual]</code></td>
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 <p>Called when first walking a node. </p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>node</em>&nbsp;</td><td>The node</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>return false if the walk should continue, or true if it should not. </dd></dl>

 <p>Implemented in <a class="el" href="classXalanDocumentPrefixResolver_1_1NamespaceNodesTreeWalker.html#a1d5bf8d64e62f5075c731e9d0a30af99">XalanDocumentPrefixResolver::NamespaceNodesTreeWalker</a>, <a class="el" href="classNodeNameTreeWalker.html#a9286b3b37cf08ac2f9c2fd0820f36e1d">NodeNameTreeWalker</a>, and <a class="el" href="classFormatterTreeWalker.html#a1e3ce8e7428627975175fc5ef9c87e71">FormatterTreeWalker</a>.</p>

 </div>
 </div>
 <a class="anchor" id="a0830d7c43de92c10554775dbcd59526b"></a><!-- doxytag: member="TreeWalker::startNode" ref="a0830d7c43de92c10554775dbcd59526b" args="(const XalanNode *node)=0" -->
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           <td class="memname">virtual bool TreeWalker::startNode </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>node</em></td>
           <td>&nbsp;)&nbsp;</td>
           <td><code> [protected, pure virtual]</code></td>
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 <p>Called when first walking a node. </p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>node</em>&nbsp;</td><td>The node</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>return false if the walk should continue, or true if it should not. </dd></dl>

 <p>Implemented in <a class="el" href="classXalanDocumentPrefixResolver_1_1NamespaceNodesTreeWalker.html#a97f0c2e24eb1d4bd3a777cde63cc1c6b">XalanDocumentPrefixResolver::NamespaceNodesTreeWalker</a>, <a class="el" href="classNodeNameTreeWalker.html#abb912f29dfec1a3912d7196bc96ef7cf">NodeNameTreeWalker</a>, and <a class="el" href="classFormatterTreeWalker.html#afc74061c3fd85d1c49a52e3efa1a7c04">FormatterTreeWalker</a>.</p>

 </div>
 </div>
 <a class="anchor" id="ab83a8c9614475de763eb8d143a19bb6e"></a><!-- doxytag: member="TreeWalker::traverse" ref="ab83a8c9614475de763eb8d143a19bb6e" args="(const XalanNode *pos, const XalanNode *parent)" -->
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           <td class="memname">const <a class="el" href="classXalanNode.html">XalanNode</a>* TreeWalker::traverse </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>pos</em>, </td>
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           <td class="paramkey"></td>
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           <td class="paramtype">const <a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>parent</em></td><td>&nbsp;</td>
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           <td>)</td>
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 <p>Perform a document-order traversal stopping at the provided parent node. </p>
 <p>Derived classes and stop the traversal by returning true from <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> or <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a>. If that happens, the function will return the next node in document order. If desired, the caller can start traversing the tree again from that point. Note that terminal nodes will always have <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> and <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a> called before the traversal terminates.</p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>The node in the tree with which to start the walk </td></tr>
     <tr><td valign="top"></td><td valign="top"><em>parent</em>&nbsp;</td><td>The parent of pos. Note that for multiple calls that continue the traversal, this node must remain the same.</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>parent if the traversal completes, or the next node if the traversal doesn't complete. </dd></dl>

 </div>
 </div>
 <a class="anchor" id="a03382f1d278898fb3ed871a41bb38fbe"></a><!-- doxytag: member="TreeWalker::traverse" ref="a03382f1d278898fb3ed871a41bb38fbe" args="(XalanNode *pos, XalanNode *parent)" -->
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           <td class="memname"><a class="el" href="classXalanNode.html">XalanNode</a>* TreeWalker::traverse </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>pos</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype"><a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>parent</em></td><td>&nbsp;</td>
         </tr>
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           <td></td>
           <td>)</td>
           <td></td><td></td><td></td>
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 <p>Perform a document-order traversal stopping at the provided parent node. </p>
 <p>Derived classes and stop the traversal by returning true from <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> or <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a>. If that happens, the function will return the next node in document order. If desired, the caller can start traversing the tree again from that point. Note that terminal nodes will always have <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> and <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a> called before the traversal terminates.</p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>The node in the tree with which to start the walk </td></tr>
     <tr><td valign="top"></td><td valign="top"><em>parent</em>&nbsp;</td><td>The parent of pos. Note that for multiple calls that continue the traversal, this node must remain the same.</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>parent if the traversal completes, or the next node if the traversal doesn't complete. </dd></dl>

 </div>
 </div>
 <a class="anchor" id="aa86e79713ec11e56024c2adf418394d2"></a><!-- doxytag: member="TreeWalker::traverse" ref="aa86e79713ec11e56024c2adf418394d2" args="(XalanNode *pos)" -->
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           <td class="memname"><a class="el" href="classXalanNode.html">XalanNode</a>* TreeWalker::traverse </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>pos</em></td>
           <td>&nbsp;)&nbsp;</td>
           <td></td>
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 <p>Perform a document-order traversal. </p>
 <p>Derived classes and stop the traversal by returning true from <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> or <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a>. If that happens, the function will return the next node in document order. If desired, the caller can start traversing the tree again from that point. Note that terminal nodes will always have <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> and <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a> called before the traversal terminates.</p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>The node in the tree with which to start the walk</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>0 if the traversal completes, or the next node if the traversal doesn't complete. </dd></dl>

 </div>
 </div>
 <a class="anchor" id="a5fcdad33cbaba7f07095f5db836dd2f0"></a><!-- doxytag: member="TreeWalker::traverse" ref="a5fcdad33cbaba7f07095f5db836dd2f0" args="(const XalanNode *pos)" -->
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           <td class="memname">const <a class="el" href="classXalanNode.html">XalanNode</a>* TreeWalker::traverse </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
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 <p>Perform a document-order traversal. </p>
 <p>Derived classes and stop the traversal by returning true from <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> or <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a>. If that happens, the function will return the next node in document order. If desired, the caller can start traversing the tree again from that point. Note that terminal nodes will always have <a class="el" href="classTreeWalker.html#a0830d7c43de92c10554775dbcd59526b" title="Called when first walking a node.">startNode()</a> and <a class="el" href="classTreeWalker.html#a1c7ccec81444662d68ba4ce315fffdc4" title="Called when leaving a node.">endNode()</a> called before the traversal terminates.</p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>The node in the tree with which to start the walk</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="return"><dt><b>Returns:</b></dt><dd>0 if the traversal completes, or the next node if the traversal doesn't complete. </dd></dl>

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 <a class="anchor" id="ade54c5f2708bef03cb4f28c51046f6e6"></a><!-- doxytag: member="TreeWalker::traverseSubtree" ref="ade54c5f2708bef03cb4f28c51046f6e6" args="(const XalanNode *pos)" -->
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           <td class="memname">virtual void TreeWalker::traverseSubtree </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>pos</em></td>
           <td>&nbsp;)&nbsp;</td>
           <td><code> [virtual]</code></td>
         </tr>
       </table>
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 <p>Perform a pre-order traversal. </p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>starting node </td></tr>
   </table>
   </dd>
 </dl>

 </div>
 </div>
 <a class="anchor" id="a6e20bdda8a430086711351ff68e4a35f"></a><!-- doxytag: member="TreeWalker::traverseSubtree" ref="a6e20bdda8a430086711351ff68e4a35f" args="(XalanNode *pos)" -->
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           <td class="memname">virtual void TreeWalker::traverseSubtree </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="classXalanNode.html">XalanNode</a> *&nbsp;</td>
           <td class="paramname"> <em>pos</em></td>
           <td>&nbsp;)&nbsp;</td>
           <td><code> [virtual]</code></td>
         </tr>
       </table>
 </div>
 <div class="memdoc">

 <p>Perform a pre-order traversal. </p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table border="0" cellspacing="2" cellpadding="0">
     <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>starting node </td></tr>
   </table>
   </dd>
 </dl>

 </div>
 </div>
 <hr/>The documentation for this class was generated from the following file:<ul>
 <li><a class="el" href="TreeWalker_8hpp_source.html">TreeWalker.hpp</a></li>
 </ul>
 </div>
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