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<div id="projectname">Xerces-C++
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 <span id="projectnumber">3.1.2</span>
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<a href="classDOMUserDataHandler-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">DOMUserDataHandler Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>When associating an object to a key on a node using <code>setUserData</code> the application can provide a handler that gets called when the node the object is associated to is being cloned or imported.
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<a href="classDOMUserDataHandler.html#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Public Constants</div></td></tr>
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<tr class="memitem:a3fc45270dfc120a0d28090570e543869"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869">DOMOperationType</a> { <br />
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  <a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869ae4124a76c0b45067ad33d94d51f57c8b">NODE_CLONED</a> = 1,
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<a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869adfded424f2d618b5903306add9283629">NODE_IMPORTED</a> = 2,
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<a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869ae65fa5913524dc1ad8383f3707376571">NODE_DELETED</a> = 3,
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<a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869abc9e1802f11627cec5e4304aeef57090">NODE_RENAMED</a> = 4,
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<br />
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  <a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869a9d7fbd01f0a955bca4b39f6d8a765316">NODE_ADOPTED</a> = 5
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<br />
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}</td></tr>
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<tr class="memdesc:a3fc45270dfc120a0d28090570e543869"><td class="mdescLeft"> </td><td class="mdescRight">Operation Type. <a href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869">More...</a><br /></td></tr>
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<tr class="separator:a3fc45270dfc120a0d28090570e543869"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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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 class="memitem:ac56b9c2d438394b714f9c6bf2ee2c4f4"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classDOMUserDataHandler.html#ac56b9c2d438394b714f9c6bf2ee2c4f4">~DOMUserDataHandler</a> ()</td></tr>
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<tr class="memdesc:ac56b9c2d438394b714f9c6bf2ee2c4f4"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#ac56b9c2d438394b714f9c6bf2ee2c4f4">More...</a><br /></td></tr>
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<tr class="separator:ac56b9c2d438394b714f9c6bf2ee2c4f4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr><td colspan="2"><div class="groupHeader">Functions introduced in DOM Level 3</div></td></tr>
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<tr class="memitem:adb241add04a9e9af108549ab61d121f9"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDOMUserDataHandler.html#adb241add04a9e9af108549ab61d121f9">handle</a> (<a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869">DOMOperationType</a> operation, const <a class="el" href="Xerces__autoconf__config_8borland_8hpp.html#a8cb107980a360c490ad7661f5d27cc0e">XMLCh</a> *const key, void *data, const <a class="el" href="classDOMNode.html">DOMNode</a> *src, <a class="el" href="classDOMNode.html">DOMNode</a> *dst)=0</td></tr>
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<tr class="memdesc:adb241add04a9e9af108549ab61d121f9"><td class="mdescLeft"> </td><td class="mdescRight">This method is called whenever the node for which this handler is registered is imported or cloned. <a href="#adb241add04a9e9af108549ab61d121f9">More...</a><br /></td></tr>
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<tr class="separator:adb241add04a9e9af108549ab61d121f9"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
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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 class="memitem:a49d70baa6c54e9054421a19e93081118"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classDOMUserDataHandler.html#a49d70baa6c54e9054421a19e93081118">DOMUserDataHandler</a> ()</td></tr>
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<tr class="separator:a49d70baa6c54e9054421a19e93081118"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>When associating an object to a key on a node using <code>setUserData</code> the application can provide a handler that gets called when the node the object is associated to is being cloned or imported. </p>
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<p>This can be used by the application to implement various behaviors regarding the data it associates to the DOM nodes. This interface defines that handler.</p>
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<p>See also the <a href="http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407">Document Object Model (DOM) Level 3 Core Specification</a>. </p><dl class="section since"><dt>Since</dt><dd>DOM Level 3 </dd></dl>
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</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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<td class="memname">enum <a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869">DOMUserDataHandler::DOMOperationType</a></td>
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<p>Operation Type. </p>
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<p><code>NODE_CLONED:</code> The node is cloned.</p>
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<p><code>NODE_IMPORTED</code> The node is imported.</p>
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<p><code>NODE_DELETED</code> The node is deleted.</p>
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<p><code>NODE_RENAMED</code> The node is renamed.</p>
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<p><code>NODE_ADOPTED</code> The node is adopted.</p>
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<dl class="section since"><dt>Since</dt><dd>DOM Level 3 </dd></dl>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="a3fc45270dfc120a0d28090570e543869ae4124a76c0b45067ad33d94d51f57c8b"></a>NODE_CLONED </td><td class="fielddoc">
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="a3fc45270dfc120a0d28090570e543869adfded424f2d618b5903306add9283629"></a>NODE_IMPORTED </td><td class="fielddoc">
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="a3fc45270dfc120a0d28090570e543869ae65fa5913524dc1ad8383f3707376571"></a>NODE_DELETED </td><td class="fielddoc">
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="a3fc45270dfc120a0d28090570e543869abc9e1802f11627cec5e4304aeef57090"></a>NODE_RENAMED </td><td class="fielddoc">
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="a3fc45270dfc120a0d28090570e543869a9d7fbd01f0a955bca4b39f6d8a765316"></a>NODE_ADOPTED </td><td class="fielddoc">
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</td></tr>
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</div>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">DOMUserDataHandler::DOMUserDataHandler </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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<td class="memname">virtual DOMUserDataHandler::~DOMUserDataHandler </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Destructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual void DOMUserDataHandler::handle </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classDOMUserDataHandler.html#a3fc45270dfc120a0d28090570e543869">DOMOperationType</a> </td>
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<td class="paramname"><em>operation</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const <a class="el" href="Xerces__autoconf__config_8borland_8hpp.html#a8cb107980a360c490ad7661f5d27cc0e">XMLCh</a> *const </td>
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<td class="paramname"><em>key</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const <a class="el" href="classDOMNode.html">DOMNode</a> * </td>
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<td class="paramname"><em>src</em>, </td>
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<td class="paramtype"><a class="el" href="classDOMNode.html">DOMNode</a> * </td>
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<td class="paramname"><em>dst</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>This method is called whenever the node for which this handler is registered is imported or cloned. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">operation</td><td>Specifies the type of operation that is being performed on the node. </td></tr>
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<tr><td class="paramname">key</td><td>Specifies the key for which this handler is being called. </td></tr>
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<tr><td class="paramname">data</td><td>Specifies the data for which this handler is being called. </td></tr>
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<tr><td class="paramname">src</td><td>Specifies the node being cloned, adopted, imported, or renamed. This is <code>null</code> when the node is being deleted. </td></tr>
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<tr><td class="paramname">dst</td><td>Specifies the node newly created if any, or <code>null</code>.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section since"><dt>Since</dt><dd>DOM Level 3 </dd></dl>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li><a class="el" href="DOMUserDataHandler_8hpp_source.html">DOMUserDataHandler.hpp</a></li>
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</ul>
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