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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>xpathInternals: internal interfaces for XML Path Language implementation</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-xpath.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> <td> <a accesskey="n" href="libxml2-xpointer.html"> <img src="right.png" width="24" height="24" border="0" alt="Next"/> </a> </td> <th width="100%" align="center">libxml2 Reference Manual</th> </tr> </table> <h2> <span class="refentrytitle">xpathInternals</span> </h2> <p>xpathInternals - internal interfaces for XML Path Language implementation</p> <p>internal interfaces for XML Path Language implementation used to build new modules on top of XPath like XPointer and XSLT </p> <p>Author(s): Daniel Veillard </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">#define <a href="#xmlXPathStackIsExternal">xmlXPathStackIsExternal</a>(ctxt);#define <a href="#xmlXPathReturnEmptyString">xmlXPathReturnEmptyString</a>(ctxt);#define <a href="#XP_ERROR0">XP_ERROR0</a>(X);#define <a href="#xmlXPathSetTypeError">xmlXPathSetTypeError</a>(ctxt);#define <a href="#xmlXPathReturnEmptyNodeSet">xmlXPathReturnEmptyNodeSet</a>(ctxt);#define <a href="#xmlXPathReturnTrue">xmlXPathReturnTrue</a>(ctxt);#define <a href="#xmlXPathReturnBoolean">xmlXPathReturnBoolean</a>(ctxt, val);#define <a href="#xmlXPathGetContextNode">xmlXPathGetContextNode</a>(ctxt);#define <a href="#CAST_TO_NUMBER">CAST_TO_NUMBER</a>;#define <a href="#CHECK_ARITY">CHECK_ARITY</a>(x);#define <a href="#CHECK_TYPE0">CHECK_TYPE0</a>(typeval);#define <a href="#CAST_TO_STRING">CAST_TO_STRING</a>;#define <a href="#xmlXPathReturnExternal">xmlXPathReturnExternal</a>(ctxt, val);#define <a href="#xmlXPathStackIsNodeSet">xmlXPathStackIsNodeSet</a>(ctxt);#define <a href="#xmlXPathCheckError">xmlXPathCheckError</a>(ctxt);#define <a href="#xmlXPathSetError">xmlXPathSetError</a>(ctxt, err);#define <a href="#CHECK_ERROR">CHECK_ERROR</a>;#define <a href="#xmlXPathReturnString">xmlXPathReturnString</a>(ctxt, str);#define <a href="#CAST_TO_BOOLEAN">CAST_TO_BOOLEAN</a>;#define <a href="#xmlXPathSetArityError">xmlXPathSetArityError</a>(ctxt);#define <a href="#CHECK_TYPE">CHECK_TYPE</a>(typeval);#define <a href="#xmlXPathReturnFalse">xmlXPathReturnFalse</a>(ctxt);#define <a href="#xmlXPathReturnNumber">xmlXPathReturnNumber</a>(ctxt, val);#define <a href="#CHECK_ERROR0">CHECK_ERROR0</a>;#define <a href="#xmlXPathGetDocument">xmlXPathGetDocument</a>(ctxt);#define <a href="#xmlXPathGetError">xmlXPathGetError</a>(ctxt);#define <a href="#XP_ERROR">XP_ERROR</a>(X);#define <a href="#xmlXPathEmptyNodeSet">xmlXPathEmptyNodeSet</a>(ns);#define <a href="#xmlXPathReturnNodeSet">xmlXPathReturnNodeSet</a>(ctxt, ns);<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="#xmlXPathNodeSetMerge">xmlXPathNodeSetMerge</a> (<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val1, <br/> <a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val2);void <a href="#xmlXPathNumberFunction">xmlXPathNumberFunction</a> (<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt, <br/> int nargs);const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlXPathNsLookup">xmlXPathNsLookup</a> (<a href="libxml2-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * prefix);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPathNewNodeSet">xmlXPathNewNodeSet</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> val);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlXPathNextAncestorOrSelf">xmlXPathNextAncestorOrSelf</a> (<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur);void <a href="#xmlXPathNodeSetRemove">xmlXPathNodeSetRemove</a> (<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur, <br/> int val);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPathNewNodeSetList">xmlXPathNewNodeSetList</a> (<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val);int <a href="#xmlXPathPopBoolean">xmlXPathPopBoolean</a> (<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);<a href="libxml2-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="#xmlXPathNewString">xmlXPathNewString</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * val);<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="#xmlXPathNodeLeadingSorted">xmlXPathNodeLeadingSorted</a> (<a href="libxml2-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlXPathNextChild">xmlXPathNextChild</a> (<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlXPathNextFollowingSibling">xmlXPathNextFollowingSibling</a> (<a href="libxml2-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur);⌨️ 快捷键说明
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