423 lines
24 KiB
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423 lines
24 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>XQilla DOM Level 3 API: xercesc::DOMNodeIterator Class Reference</title>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<a class="el" href="namespacexercesc.html">xercesc</a>::<a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></div>
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<h1>xercesc::DOMNodeIterator Class Reference</h1><!-- doxytag: class="xercesc::DOMNodeIterator" --><code>DOMNodeIterators</code> are used to step through a set of nodes, e.g.
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<a href="#_details">More...</a>
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<p>
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<code>#include <<a class="el" href="DOMNodeIterator_8hpp-source.html">DOMNodeIterator.hpp</a>></code>
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<p>
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<a href="classxercesc_1_1DOMNodeIterator-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Destructor</div></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#105fa0bd67d282c9f07c6e42c6e979e6">~DOMNodeIterator</a> ()</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#105fa0bd67d282c9f07c6e42c6e979e6"></a><br></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Functions introduced in DOM Level 2</div></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#2456566bcf0b85b45e0d363d8b31e077">getRoot</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">The <code>root</code> node of the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code>, as specified when it was created. <a href="#2456566bcf0b85b45e0d363d8b31e077"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#d8996360e1549bd108b63a3018f1b1c6">getWhatToShow</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Return which node types are presented via the iterator. <a href="#d8996360e1549bd108b63a3018f1b1c6"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classxercesc_1_1DOMNodeFilter.html">DOMNodeFilter</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#2199e825391cbe4f915d68055cbf0f63">getFilter</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">The <code><a class="el" href="classxercesc_1_1DOMNodeFilter.html">DOMNodeFilter</a></code> used to screen nodes. <a href="#2199e825391cbe4f915d68055cbf0f63"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#77413f9c80acb65270794ec51a949102">getExpandEntityReferences</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the expandEntityReferences flag. <a href="#77413f9c80acb65270794ec51a949102"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#1390e52c18ba1c69938c4c0e79493b74">nextNode</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the next node in the set and advances the position of the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> in the set. <a href="#1390e52c18ba1c69938c4c0e79493b74"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#a1b89f85962844c9179ddb07de9dea2f">previousNode</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the previous node in the set and moves the position of the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> backwards in the set. <a href="#a1b89f85962844c9179ddb07de9dea2f"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#b69531f583d05578b832dd39baaaa29d">detach</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Detaches the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> from the set which it iterated over, releasing any computational resources and placing the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> in the INVALID state. <a href="#b69531f583d05578b832dd39baaaa29d"></a><br></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Non-standard Extension</div></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#1d40a76868bd11af332d674931dd3b95">release</a> ()=0</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Called to indicate that this NodeIterator is no longer in use and that the implementation may relinquish any resources associated with it. <a href="#1d40a76868bd11af332d674931dd3b95"></a><br></td></tr>
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<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Hidden constructors</div></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#e709d8376b58beb2409d85bf608599af">DOMNodeIterator</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classxercesc_1_1DOMNodeIterator.html#9bf8c06a66a7379b24afd325a4d83250">DOMNodeIterator</a> (const <a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a> &)</td></tr>
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</table>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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<code>DOMNodeIterators</code> are used to step through a set of nodes, e.g.
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<p>
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the set of nodes in a <code><a class="el" href="classxercesc_1_1DOMNodeList.html">DOMNodeList</a></code>, the document subtree governed by a particular <code><a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a></code>, the results of a query, or any other set of nodes. The set of nodes to be iterated is determined by the implementation of the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code>. DOM Level 2 specifies a single <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> implementation for document-order traversal of a document subtree. Instances of these <code>DOMNodeIterators</code> are created by calling <code><a class="el" href="classxercesc_1_1DOMDocumentTraversal.html">DOMDocumentTraversal</a></code><code>.createNodeIterator()</code>. <p>
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See also the <a href="http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113">Document Object Model (DOM) Level 2 Traversal and Range Specification</a>. <dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
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<p>
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<hr><h2>Constructor & Destructor Documentation</h2>
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<a class="anchor" name="e709d8376b58beb2409d85bf608599af"></a><!-- doxytag: member="xercesc::DOMNodeIterator::DOMNodeIterator" ref="e709d8376b58beb2409d85bf608599af" args="()" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">xercesc::DOMNodeIterator::DOMNodeIterator </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [inline, protected]</code></td>
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<a class="anchor" name="9bf8c06a66a7379b24afd325a4d83250"></a><!-- doxytag: member="xercesc::DOMNodeIterator::DOMNodeIterator" ref="9bf8c06a66a7379b24afd325a4d83250" args="(const DOMNodeIterator &)" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">xercesc::DOMNodeIterator::DOMNodeIterator </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">const <a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a> & </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [inline, protected]</code></td>
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</table>
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</td>
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<a class="anchor" name="105fa0bd67d282c9f07c6e42c6e979e6"></a><!-- doxytag: member="xercesc::DOMNodeIterator::~DOMNodeIterator" ref="105fa0bd67d282c9f07c6e42c6e979e6" args="()" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">virtual xercesc::DOMNodeIterator::~DOMNodeIterator </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [inline, virtual]</code></td>
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<p>
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Destructor.
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<p>
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</td>
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</tr>
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</table>
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<hr><h2>Member Function Documentation</h2>
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<a class="anchor" name="b69531f583d05578b832dd39baaaa29d"></a><!-- doxytag: member="xercesc::DOMNodeIterator::detach" ref="b69531f583d05578b832dd39baaaa29d" args="()=0" --><p>
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<td class="md" nowrap valign="top">virtual void xercesc::DOMNodeIterator::detach </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [pure virtual]</code></td>
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Detaches the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> from the set which it iterated over, releasing any computational resources and placing the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> in the INVALID state.
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<p>
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After <code>detach</code> has been invoked, calls to <code>nextNode</code> or <code>previousNode</code> will raise the exception INVALID_STATE_ERR. <dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
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</td>
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</table>
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<a class="anchor" name="77413f9c80acb65270794ec51a949102"></a><!-- doxytag: member="xercesc::DOMNodeIterator::getExpandEntityReferences" ref="77413f9c80acb65270794ec51a949102" args="()=0" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top">virtual bool xercesc::DOMNodeIterator::getExpandEntityReferences </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [pure virtual]</code></td>
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Return the expandEntityReferences flag.
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<p>
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The value of this flag determines whether the children of entity reference nodes are visible to the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code>. If false, these children and their descendants will be rejected. Note that this rejection takes precedence over <code>whatToShow</code> and the filter. Also note that this is currently the only situation where <code>DOMNodeIterators</code> may reject a complete subtree rather than skipping individual nodes. <br>
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<br>
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To produce a view of the document that has entity references expanded and does not expose the entity reference node itself, use the <code>whatToShow</code> flags to hide the entity reference node and set <code>expandEntityReferences</code> to true when creating the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code>. To produce a view of the document that has entity reference nodes but no entity expansion, use the <code>whatToShow</code> flags to show the entity reference node and set <code>expandEntityReferences</code> to false.<p>
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<dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
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</td>
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</table>
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<a class="anchor" name="2199e825391cbe4f915d68055cbf0f63"></a><!-- doxytag: member="xercesc::DOMNodeIterator::getFilter" ref="2199e825391cbe4f915d68055cbf0f63" args="()=0" --><p>
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<td class="md" nowrap valign="top">virtual <a class="el" href="classxercesc_1_1DOMNodeFilter.html">DOMNodeFilter</a>* xercesc::DOMNodeIterator::getFilter </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" nowrap><code> [pure virtual]</code></td>
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<p>
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The <code><a class="el" href="classxercesc_1_1DOMNodeFilter.html">DOMNodeFilter</a></code> used to screen nodes.
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<p>
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<dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
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</td>
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<a class="anchor" name="2456566bcf0b85b45e0d363d8b31e077"></a><!-- doxytag: member="xercesc::DOMNodeIterator::getRoot" ref="2456566bcf0b85b45e0d363d8b31e077" args="()=0" --><p>
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<td class="md" nowrap valign="top">virtual <a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a>* xercesc::DOMNodeIterator::getRoot </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [pure virtual]</code></td>
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<p>
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The <code>root</code> node of the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code>, as specified when it was created.
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<p>
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<dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
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</td>
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</table>
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<a class="anchor" name="d8996360e1549bd108b63a3018f1b1c6"></a><!-- doxytag: member="xercesc::DOMNodeIterator::getWhatToShow" ref="d8996360e1549bd108b63a3018f1b1c6" args="()=0" --><p>
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<td class="md" nowrap valign="top">virtual unsigned long xercesc::DOMNodeIterator::getWhatToShow </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [pure virtual]</code></td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<table cellspacing="5" cellpadding="0" border="0">
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<tr>
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<td>
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</td>
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<td>
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<p>
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Return which node types are presented via the iterator.
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<p>
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This attribute determines which node types are presented via the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code>. The available set of constants is defined in the <code><a class="el" href="classxercesc_1_1DOMNodeFilter.html">DOMNodeFilter</a></code> interface. Nodes not accepted by <code>whatToShow</code> will be skipped, but their children may still be considered. Note that this skip takes precedence over the filter, if any. <dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
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</td>
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</tr>
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</table>
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<a class="anchor" name="1390e52c18ba1c69938c4c0e79493b74"></a><!-- doxytag: member="xercesc::DOMNodeIterator::nextNode" ref="1390e52c18ba1c69938c4c0e79493b74" args="()=0" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<tr>
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<td class="mdRow">
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<table cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td class="md" nowrap valign="top">virtual <a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a>* xercesc::DOMNodeIterator::nextNode </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [pure virtual]</code></td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<table cellspacing="5" cellpadding="0" border="0">
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<tr>
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<td>
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</td>
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<td>
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<p>
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Returns the next node in the set and advances the position of the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> in the set.
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<p>
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After a <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> is created, the first call to <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html#1390e52c18ba1c69938c4c0e79493b74">nextNode()</a></code> returns the first node in the set. <dl compact><dt><b>Returns:</b></dt><dd>The next <code><a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a></code> in the set being iterated over, or <code>null</code> if there are no more members in that set. </dd></dl>
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<dl compact><dt><b>Exceptions:</b></dt><dd>
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|
<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classxercesc_1_1DOMException.html">DOMException</a></em> </td><td>INVALID_STATE_ERR: Raised if this method is called after the <code>detach</code> method was invoked. </td></tr>
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</table>
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|
</dl>
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|
<dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
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|
</td>
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</tr>
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|
</table>
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|
<a class="anchor" name="a1b89f85962844c9179ddb07de9dea2f"></a><!-- doxytag: member="xercesc::DOMNodeIterator::previousNode" ref="a1b89f85962844c9179ddb07de9dea2f" args="()=0" --><p>
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|
<table class="mdTable" cellpadding="2" cellspacing="0">
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|
<tr>
|
|
<td class="mdRow">
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|
<table cellpadding="0" cellspacing="0" border="0">
|
|
<tr>
|
|
<td class="md" nowrap valign="top">virtual <a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a>* xercesc::DOMNodeIterator::previousNode </td>
|
|
<td class="md" valign="top">( </td>
|
|
<td class="mdname1" valign="top" nowrap> </td>
|
|
<td class="md" valign="top"> ) </td>
|
|
<td class="md" nowrap><code> [pure virtual]</code></td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<table cellspacing="5" cellpadding="0" border="0">
|
|
<tr>
|
|
<td>
|
|
|
|
</td>
|
|
<td>
|
|
|
|
<p>
|
|
Returns the previous node in the set and moves the position of the <code><a class="el" href="classxercesc_1_1DOMNodeIterator.html">DOMNodeIterator</a></code> backwards in the set.
|
|
<p>
|
|
<dl compact><dt><b>Returns:</b></dt><dd>The previous <code><a class="el" href="classxercesc_1_1DOMNode.html">DOMNode</a></code> in the set being iterated over, or <code>null</code> if there are no more members in that set. </dd></dl>
|
|
<dl compact><dt><b>Exceptions:</b></dt><dd>
|
|
<table border="0" cellspacing="2" cellpadding="0">
|
|
<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classxercesc_1_1DOMException.html">DOMException</a></em> </td><td>INVALID_STATE_ERR: Raised if this method is called after the <code>detach</code> method was invoked. </td></tr>
|
|
</table>
|
|
</dl>
|
|
<dl compact><dt><b>Since:</b></dt><dd>DOM Level 2 </dd></dl>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<a class="anchor" name="1d40a76868bd11af332d674931dd3b95"></a><!-- doxytag: member="xercesc::DOMNodeIterator::release" ref="1d40a76868bd11af332d674931dd3b95" args="()=0" --><p>
|
|
<table class="mdTable" cellpadding="2" cellspacing="0">
|
|
<tr>
|
|
<td class="mdRow">
|
|
<table cellpadding="0" cellspacing="0" border="0">
|
|
<tr>
|
|
<td class="md" nowrap valign="top">virtual void xercesc::DOMNodeIterator::release </td>
|
|
<td class="md" valign="top">( </td>
|
|
<td class="mdname1" valign="top" nowrap> </td>
|
|
<td class="md" valign="top"> ) </td>
|
|
<td class="md" nowrap><code> [pure virtual]</code></td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<table cellspacing="5" cellpadding="0" border="0">
|
|
<tr>
|
|
<td>
|
|
|
|
</td>
|
|
<td>
|
|
|
|
<p>
|
|
Called to indicate that this NodeIterator is no longer in use and that the implementation may relinquish any resources associated with it.
|
|
<p>
|
|
(<a class="el" href="classxercesc_1_1DOMNodeIterator.html#1d40a76868bd11af332d674931dd3b95">release()</a> will call <a class="el" href="classxercesc_1_1DOMNodeIterator.html#b69531f583d05578b832dd39baaaa29d">detach()</a> where appropriate)<p>
|
|
Access to a released object will lead to unexpected result. </td>
|
|
</tr>
|
|
</table>
|
|
<hr>The documentation for this class was generated from the following file:<ul>
|
|
<li><a class="el" href="DOMNodeIterator_8hpp-source.html">DOMNodeIterator.hpp</a></ul>
|
|
<hr size="1"><address style="align: right;"><small>Generated on Mon Feb 12 16:52:13 2007 for XQilla DOM Level 3 API by
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<a href="http://www.doxygen.org/index.html">
|
|
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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</body>
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</html>
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