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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<title>DOM.CustomNodeFilter</title>
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KDE 4.9 PyKDE API Reference
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<h1>CustomNodeFilter Class Reference</h1>
<code>from PyKDE4.khtml import *</code>
<p>
Inherits: <a href="../khtml/DOM.DomShared.html">DOM.DomShared</a><br />
Namespace: <a href="../khtml/DOM.html">DOM</a><br />
<h2>Detailed Description</h2>
<p>CustomNodeFilter can be used to define your own NodeFilter for use
with NodeIterators and TreeWalkers. You can create a custom filter
by doing the following:
</p>
<p>
class MyCustomNodeFilter {
.....
virtual short acceptNode (const Node &n);
.....
}
</p>
<p>
Then in your program:
</p>
<p>
short MyCustomNodeFilter.acceptNode (const Node &n)
{
if (condition)
return NodeFilter.FILTER_ACCEPT;
else
....
}
</p>
<p>
MyCustomFilter *filter = new MyCustomFilter();
NodeFilter nf = NodeFilter.createCustom(filter);
NodeIterator ni = document.createNodeIterator(document,NodeFilter.SHOW_ALL,nf,false);
</p>
<p>
The default implementation of acceptNode() returns NodeFilter.FILTER_ACCEPT
for all nodes.
</p>
<table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Methods</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#CustomNodeFilter">__init__</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#acceptNode">acceptNode</a> (self, <a href="../khtml/DOM.Node.html">DOM.Node</a> n)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../khtml/DOM.DOMString.html">DOM.DOMString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#customNodeFilterType">customNodeFilterType</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isNull">isNull</a> (self)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="CustomNodeFilter"></a>
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<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
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<div class="memdoc"></div></div><a class="anchor" name="acceptNode"></a>
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<td class="memname">int acceptNode</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../khtml/DOM.Node.html">DOM.Node</a> </td>
<td class="paramname"><em>n</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
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<div class="memdoc"></div></div><a class="anchor" name="customNodeFilterType"></a>
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<td class="memname"><a href="../khtml/DOM.DOMString.html">DOM.DOMString</a> customNodeFilterType</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
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<div class="memdoc"><p><dl class="internal" compact><dt><b>Internal:</b></dt><dd>
not part of the DOM
</dd></dl> </p>
<p>
Returns a name specifying the type of custom node filter. Useful for checking
if an custom node filter is of a particular sublass.
</p></div></div><a class="anchor" name="isNull"></a>
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<td class="memname">bool isNull</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
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