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<?xml version="1.0" encoding="UTF-8"?><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title>xpointer: API to handle XML Pointers</title> <meta name="generator" content="Libxml2 devhelp stylesheet"/> <link rel="start" href="index.html" title="libxml2 Reference Manual"/> <link rel="up" href="general.html" title="API"/> <link rel="stylesheet" href="style.css" type="text/css"/> <link rel="chapter" href="general.html" title="API"/> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"> <tr valign="middle"> <td> <a accesskey="p" href="libxml2-xpathInternals.html"> <img src="left.png" width="24" height="24" border="0" alt="Prev"/> </a> </td> <td> <a accesskey="u" href="general.html"> <img src="up.png" width="24" height="24" border="0" alt="Up"/> </a> </td> <td> <a accesskey="h" href="index.html"> <img src="home.png" width="24" height="24" border="0" alt="Home"/> </a> </td> <th width="100%" align="center">libxml2 Reference Manual</th> </tr> </table> <h2> <span class="refentrytitle">xpointer</span> </h2> <p>xpointer - API to handle XML Pointers</p> <p>API to handle XML Pointers Base implementation was made accordingly to W3C Candidate Recommendation 7 June 2000</p> <p>Author(s): Daniel Veillard </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">typedef struct _xmlLocationSet <a href="#xmlLocationSet">xmlLocationSet</a>;typedef <a href="libxml2-xpointer.html#xmlLocationSet">xmlLocationSet</a> * <a href="#xmlLocationSetPtr">xmlLocationSetPtr</a>;<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewRange">xmlXPtrNewRange</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/> int startindex, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end, <br/> int endindex);void <a href="#xmlXPtrFreeLocationSet">xmlXPtrFreeLocationSet</a> (<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> obj);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrWrapLocationSet">xmlXPtrWrapLocationSet</a> (<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> val);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlXPtrBuildNodeList">xmlXPtrBuildNodeList</a> (<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> obj);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrEval">xmlXPtrEval</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * str, <br/> <a href="libxml2-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctx);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewRangeNodes">xmlXPtrNewRangeNodes</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end);void <a href="#xmlXPtrLocationSetAdd">xmlXPtrLocationSetAdd</a> (<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> cur, <br/> <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> val);void <a href="#xmlXPtrRangeToFunction">xmlXPtrRangeToFunction</a> (<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt, <br/> int nargs);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewCollapsedRange">xmlXPtrNewCollapsedRange</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewRangePoints">xmlXPtrNewRangePoints</a> (<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> start, <br/> <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> end);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewLocationSetNodeSet">xmlXPtrNewLocationSetNodeSet</a> (<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> set);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewRangePointNode">xmlXPtrNewRangePointNode</a> (<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> start, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end);<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> <a href="#xmlXPtrLocationSetCreate">xmlXPtrLocationSetCreate</a> (<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> val);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewRangeNodeObject">xmlXPtrNewRangeNodeObject</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/> <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> end);<a href="libxml2-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> <a href="#xmlXPtrNewContext">xmlXPtrNewContext</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> here, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> origin);void <a href="#xmlXPtrLocationSetRemove">xmlXPtrLocationSetRemove</a> (<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> cur, <br/> int val);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewRangeNodePoint">xmlXPtrNewRangeNodePoint</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/> <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> end);void <a href="#xmlXPtrLocationSetDel">xmlXPtrLocationSetDel</a> (<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> cur, <br/> <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> val);<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> <a href="#xmlXPtrLocationSetMerge">xmlXPtrLocationSetMerge</a> (<a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> val1, <br/> <a href="libxml2-xpointer.html#xmlLocationSetPtr">xmlLocationSetPtr</a> val2);void <a href="#xmlXPtrEvalRangePredicate">xmlXPtrEvalRangePredicate</a> (<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPtrNewLocationSetNodes">xmlXPtrNewLocationSetNodes</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> start, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> end);</pre> </div> <div class="refsect1" lang="en"> <h2>Description</h2> </div> <div class="refsect1" lang="en"> <h2>Details</h2> <div class="refsect2" lang="en"> <div class="refsect2" lang="en"><h3><a name="xmlLocationSet">Structure </a>xmlLocationSet</h3><pre class="programlisting">struct _xmlLocationSet { int locNr : number of locations in the set int locMax : size of the array as allocated <a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> * locTab : array of locations} xmlLocationSet;</pre><p/></div> <hr/> <div class="refsect2" lang="en"><h3><a name="xmlLocationSetPtr">Typedef </a>xmlLocationSetPtr</h3><pre class="programlisting"><a href="libxml2-xpointer.html#xmlLocationSet">xmlLocationSet</a> * xmlLocationSetPtr;</pre><p/></div> <hr/> <div class="refsect2" lang="en"><h3><a name="xmlXPtrBuildNodeList"/>xmlXPtrBuildNodeList ()</h3><pre class="programlisting"><a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPtrBuildNodeList (<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> obj)<br/></pre><p>Build a node list tree copy of the XPointer result. This will drop Attributes and Namespace declarations.</p><div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>obj</tt></i>:</span></td><td>the XPointer result from the evaluation.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>an <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> list or NULL. the caller has to free the node tree.</td></tr></tbody></table></div></div>
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