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gerrit-public.fairphone.software / fp2-dev / platform / external / libxml2 / d433046ae52b0488a9fad77d2045c0139b8cada8 / . / doc / html / libxml-xpathInternals.html
blob: bf37b62c4430dbaecf7a0d2fcf678631ac4428c3 [file] [log] [blame]
Daniel Veillardd4330462003-04-29 12:40:16 +0000[diff] [blame^]1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
2<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>xpathInternals</title><meta name="generator" content="DocBook XSL Stylesheets V1.58.1"><style xmlns="http://www.w3.org/TR/xhtml1/transitional" type="text/css">
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32 </style><link rel="home" href="index.html" title="Gnome XML Library Reference Manual"><link rel="up" href="libxml-lib.html" title="Libxml Library Reference"><link rel="previous" href="libxml-xpath.html" title="xpath"><link rel="next" href="libxml-xpointer.html" title="xpointer"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libxml-xpath.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></img></a></td><td><a accesskey="u" href="libxml-lib.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></img></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></img></a></td><th width="100%" align="center">Gnome XML Library Reference Manual</th><td><a accesskey="n" href="libxml-xpointer.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></img></a></td></tr></table><div class="refentry" lang="en"><a name="libxml-xpathInternals"></a><div class="titlepage"></div><div class="refnamediv"><h2>xpathInternals</h2><p>xpathInternals &#8212; </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
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34
35
36#define <a href="libxml-xpathInternals.html#xmlXPathSetError">xmlXPathSetError</a> (ctxt, err)
37#define <a href="libxml-xpathInternals.html#xmlXPathSetArityError">xmlXPathSetArityError</a> (ctxt)
38#define <a href="libxml-xpathInternals.html#xmlXPathSetTypeError">xmlXPathSetTypeError</a> (ctxt)
39#define <a href="libxml-xpathInternals.html#xmlXPathGetError">xmlXPathGetError</a> (ctxt)
40#define <a href="libxml-xpathInternals.html#xmlXPathCheckError">xmlXPathCheckError</a> (ctxt)
41#define <a href="libxml-xpathInternals.html#xmlXPathGetDocument">xmlXPathGetDocument</a> (ctxt)
42#define <a href="libxml-xpathInternals.html#xmlXPathGetContextNode">xmlXPathGetContextNode</a> (ctxt)
43int <a href="libxml-xpathInternals.html#xmlXPathPopBoolean">xmlXPathPopBoolean</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
44<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="double">double</GTKDOCLINK> <a href="libxml-xpathInternals.html#xmlXPathPopNumber">xmlXPathPopNumber</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
45<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-xpathInternals.html#xmlXPathPopString">xmlXPathPopString</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
46<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathPopNodeSet">xmlXPathPopNodeSet</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
47void* <a href="libxml-xpathInternals.html#xmlXPathPopExternal">xmlXPathPopExternal</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
48#define <a href="libxml-xpathInternals.html#xmlXPathReturnBoolean">xmlXPathReturnBoolean</a> (ctxt, val)
49#define <a href="libxml-xpathInternals.html#xmlXPathReturnTrue">xmlXPathReturnTrue</a> (ctxt)
50#define <a href="libxml-xpathInternals.html#xmlXPathReturnFalse">xmlXPathReturnFalse</a> (ctxt)
51#define <a href="libxml-xpathInternals.html#xmlXPathReturnNumber">xmlXPathReturnNumber</a> (ctxt, val)
52#define <a href="libxml-xpathInternals.html#xmlXPathReturnString">xmlXPathReturnString</a> (ctxt, str)
53#define <a href="libxml-xpathInternals.html#xmlXPathReturnEmptyString">xmlXPathReturnEmptyString</a> (ctxt)
54#define <a href="libxml-xpathInternals.html#xmlXPathReturnNodeSet">xmlXPathReturnNodeSet</a> (ctxt, ns)
55#define <a href="libxml-xpathInternals.html#xmlXPathReturnEmptyNodeSet">xmlXPathReturnEmptyNodeSet</a> (ctxt)
56#define <a href="libxml-xpathInternals.html#xmlXPathReturnExternal">xmlXPathReturnExternal</a> (ctxt, val)
57#define <a href="libxml-xpathInternals.html#xmlXPathStackIsNodeSet">xmlXPathStackIsNodeSet</a> (ctxt)
58#define <a href="libxml-xpathInternals.html#xmlXPathStackIsExternal">xmlXPathStackIsExternal</a> (ctxt)
59#define <a href="libxml-xpathInternals.html#xmlXPathEmptyNodeSet">xmlXPathEmptyNodeSet</a> (ns)
60#define <a href="libxml-xpathInternals.html#CHECK-ERROR-CAPS">CHECK_ERROR</a>
61#define <a href="libxml-xpathInternals.html#CHECK-ERROR0-CAPS">CHECK_ERROR0</a>
62#define <a href="libxml-xpathInternals.html#XP-ERROR-CAPS">XP_ERROR</a> (X)
63#define <a href="libxml-xpathInternals.html#XP-ERROR0-CAPS">XP_ERROR0</a> (X)
64#define <a href="libxml-xpathInternals.html#CHECK-TYPE-CAPS">CHECK_TYPE</a> (typeval)
65#define <a href="libxml-xpathInternals.html#CHECK-TYPE0-CAPS">CHECK_TYPE0</a> (typeval)
66#define <a href="libxml-xpathInternals.html#CHECK-ARITY-CAPS">CHECK_ARITY</a> (x)
67#define <a href="libxml-xpathInternals.html#CAST-TO-STRING-CAPS">CAST_TO_STRING</a>
68#define <a href="libxml-xpathInternals.html#CAST-TO-NUMBER-CAPS">CAST_TO_NUMBER</a>
69#define <a href="libxml-xpathInternals.html#CAST-TO-BOOLEAN-CAPS">CAST_TO_BOOLEAN</a>
70<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> (<a href="libxml-xpathInternals.html#xmlXPathVariableLookupFunc">*xmlXPathVariableLookupFunc</a>)
71 (void *ctxt,
72 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
73 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);
74void <a href="libxml-xpathInternals.html#xmlXPathRegisterVariableLookup">xmlXPathRegisterVariableLookup</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
75 <a href="libxml-xpathInternals.html#xmlXPathVariableLookupFunc">xmlXPathVariableLookupFunc</a> f,
76 void *data);
77<a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> (<a href="libxml-xpathInternals.html#xmlXPathFuncLookupFunc">*xmlXPathFuncLookupFunc</a>) (void *ctxt,
78 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
79 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);
80void <a href="libxml-xpathInternals.html#xmlXPathRegisterFuncLookup">xmlXPathRegisterFuncLookup</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
81 <a href="libxml-xpathInternals.html#xmlXPathFuncLookupFunc">xmlXPathFuncLookupFunc</a> f,
82 void *funcCtxt);
83void <a href="libxml-xpathInternals.html#xmlXPatherror">xmlXPatherror</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
84 const char *file,
85 int line,
86 int no);
87void <a href="libxml-xpathInternals.html#xmlXPathDebugDumpObject">xmlXPathDebugDumpObject</a> (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *output,
88 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> cur,
89 int depth);
90void <a href="libxml-xpathInternals.html#xmlXPathDebugDumpCompExpr">xmlXPathDebugDumpCompExpr</a> (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *output,
91 <a href="libxml-xpath.html#xmlXPathCompExprPtr">xmlXPathCompExprPtr</a> comp,
92 int depth);
93int <a href="libxml-xpathInternals.html#xmlXPathNodeSetContains">xmlXPathNodeSetContains</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
94 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);
95<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathDifference">xmlXPathDifference</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
96 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);
97<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathIntersection">xmlXPathIntersection</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
98 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);
99<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathDistinctSorted">xmlXPathDistinctSorted</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes);
100<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathDistinct">xmlXPathDistinct</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes);
101int <a href="libxml-xpathInternals.html#xmlXPathHasSameNodes">xmlXPathHasSameNodes</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
102 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);
103<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNodeLeadingSorted">xmlXPathNodeLeadingSorted</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
104 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);
105<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathLeadingSorted">xmlXPathLeadingSorted</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
106 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);
107<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNodeLeading">xmlXPathNodeLeading</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
108 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);
109<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathLeading">xmlXPathLeading</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
110 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);
111<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNodeTrailingSorted">xmlXPathNodeTrailingSorted</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
112 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);
113<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathTrailingSorted">xmlXPathTrailingSorted</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
114 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);
115<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNodeTrailing">xmlXPathNodeTrailing</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
116 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);
117<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathTrailing">xmlXPathTrailing</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
118 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);
119int <a href="libxml-xpathInternals.html#xmlXPathRegisterNs">xmlXPathRegisterNs</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
120 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *prefix,
121 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);
122const <a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-xpathInternals.html#xmlXPathNsLookup">xmlXPathNsLookup</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
123 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *prefix);
124void <a href="libxml-xpathInternals.html#xmlXPathRegisteredNsCleanup">xmlXPathRegisteredNsCleanup</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);
125int <a href="libxml-xpathInternals.html#xmlXPathRegisterFunc">xmlXPathRegisterFunc</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
126 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
127 <a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> f);
128int <a href="libxml-xpathInternals.html#xmlXPathRegisterFuncNS">xmlXPathRegisterFuncNS</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
129 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
130 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri,
131 <a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> f);
132int <a href="libxml-xpathInternals.html#xmlXPathRegisterVariable">xmlXPathRegisterVariable</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
133 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
134 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> value);
135int <a href="libxml-xpathInternals.html#xmlXPathRegisterVariableNS">xmlXPathRegisterVariableNS</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
136 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
137 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri,
138 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> value);
139<a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> <a href="libxml-xpathInternals.html#xmlXPathFunctionLookup">xmlXPathFunctionLookup</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
140 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name);
141<a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> <a href="libxml-xpathInternals.html#xmlXPathFunctionLookupNS">xmlXPathFunctionLookupNS</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
142 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
143 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);
144void <a href="libxml-xpathInternals.html#xmlXPathRegisteredFuncsCleanup">xmlXPathRegisteredFuncsCleanup</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);
145<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathVariableLookup">xmlXPathVariableLookup</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
146 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name);
147<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathVariableLookupNS">xmlXPathVariableLookupNS</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
148 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
149 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);
150void <a href="libxml-xpathInternals.html#xmlXPathRegisteredVariablesCleanup">xmlXPathRegisteredVariablesCleanup</a>
151 (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);
152<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewParserContext">xmlXPathNewParserContext</a>
153 (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str,
154 <a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);
155void <a href="libxml-xpathInternals.html#xmlXPathFreeParserContext">xmlXPathFreeParserContext</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
156<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#valuePop">valuePop</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
157int <a href="libxml-xpathInternals.html#valuePush">valuePush</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
158 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> value);
159<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewString">xmlXPathNewString</a> (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *val);
160<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewCString">xmlXPathNewCString</a> (const char *val);
161<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathWrapString">xmlXPathWrapString</a> (<a href="libxml-tree.html#xmlChar">xmlChar</a> *val);
162<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathWrapCString">xmlXPathWrapCString</a> (char *val);
163<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewFloat">xmlXPathNewFloat</a> (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="double">double</GTKDOCLINK> val);
164<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewBoolean">xmlXPathNewBoolean</a> (int val);
165<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewNodeSet">xmlXPathNewNodeSet</a> (<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);
166<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewValueTree">xmlXPathNewValueTree</a> (<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);
167void <a href="libxml-xpathInternals.html#xmlXPathNodeSetAdd">xmlXPathNodeSetAdd</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
168 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);
169void <a href="libxml-xpathInternals.html#xmlXPathNodeSetAddUnique">xmlXPathNodeSetAddUnique</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
170 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);
171void <a href="libxml-xpathInternals.html#xmlXPathNodeSetAddNs">xmlXPathNodeSetAddNs</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
172 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node,
173 <a href="libxml-tree.html#xmlNsPtr">xmlNsPtr</a> ns);
174void <a href="libxml-xpathInternals.html#xmlXPathNodeSetSort">xmlXPathNodeSetSort</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> set);
175void <a href="libxml-xpathInternals.html#xmlXPathRoot">xmlXPathRoot</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
176void <a href="libxml-xpathInternals.html#xmlXPathEvalExpr">xmlXPathEvalExpr</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
177<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-xpathInternals.html#xmlXPathParseName">xmlXPathParseName</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
178<a href="libxml-tree.html#xmlChar">xmlChar</a>* <a href="libxml-xpathInternals.html#xmlXPathParseNCName">xmlXPathParseNCName</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
179<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="double">double</GTKDOCLINK> <a href="libxml-xpathInternals.html#xmlXPathStringEvalNumber">xmlXPathStringEvalNumber</a> (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str);
180int <a href="libxml-xpathInternals.html#xmlXPathEvaluatePredicateResult">xmlXPathEvaluatePredicateResult</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
181 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> res);
182void <a href="libxml-xpathInternals.html#xmlXPathRegisterAllFunctions">xmlXPathRegisterAllFunctions</a> (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);
183<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNodeSetMerge">xmlXPathNodeSetMerge</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val1,
184 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val2);
185void <a href="libxml-xpathInternals.html#xmlXPathNodeSetDel">xmlXPathNodeSetDel</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
186 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);
187void <a href="libxml-xpathInternals.html#xmlXPathNodeSetRemove">xmlXPathNodeSetRemove</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
188 int val);
189<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathNewNodeSetList">xmlXPathNewNodeSetList</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val);
190<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathWrapNodeSet">xmlXPathWrapNodeSet</a> (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val);
191<a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> <a href="libxml-xpathInternals.html#xmlXPathWrapExternal">xmlXPathWrapExternal</a> (void *val);
192int <a href="libxml-xpathInternals.html#xmlXPathEqualValues">xmlXPathEqualValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
193int <a href="libxml-xpathInternals.html#xmlXPathNotEqualValues">xmlXPathNotEqualValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
194int <a href="libxml-xpathInternals.html#xmlXPathCompareValues">xmlXPathCompareValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
195 int inf,
196 int strict);
197void <a href="libxml-xpathInternals.html#xmlXPathValueFlipSign">xmlXPathValueFlipSign</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
198void <a href="libxml-xpathInternals.html#xmlXPathAddValues">xmlXPathAddValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
199void <a href="libxml-xpathInternals.html#xmlXPathSubValues">xmlXPathSubValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
200void <a href="libxml-xpathInternals.html#xmlXPathMultValues">xmlXPathMultValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
201void <a href="libxml-xpathInternals.html#xmlXPathDivValues">xmlXPathDivValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
202void <a href="libxml-xpathInternals.html#xmlXPathModValues">xmlXPathModValues</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);
203int <a href="libxml-xpathInternals.html#xmlXPathIsNodeType">xmlXPathIsNodeType</a> (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name);
204<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextSelf">xmlXPathNextSelf</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
205 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
206<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextChild">xmlXPathNextChild</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
207 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
208<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextDescendant">xmlXPathNextDescendant</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
209 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
210<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextDescendantOrSelf">xmlXPathNextDescendantOrSelf</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
211 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
212<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextParent">xmlXPathNextParent</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
213 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
214<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextAncestorOrSelf">xmlXPathNextAncestorOrSelf</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
215 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
216<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextFollowingSibling">xmlXPathNextFollowingSibling</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
217 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
218<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextFollowing">xmlXPathNextFollowing</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
219 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
220<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextNamespace">xmlXPathNextNamespace</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
221 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
222<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextAttribute">xmlXPathNextAttribute</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
223 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
224<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextPreceding">xmlXPathNextPreceding</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
225 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
226<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextAncestor">xmlXPathNextAncestor</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
227 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
228<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="libxml-xpathInternals.html#xmlXPathNextPrecedingSibling">xmlXPathNextPrecedingSibling</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
229 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);
230void <a href="libxml-xpathInternals.html#xmlXPathLastFunction">xmlXPathLastFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
231 int nargs);
232void <a href="libxml-xpathInternals.html#xmlXPathPositionFunction">xmlXPathPositionFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
233 int nargs);
234void <a href="libxml-xpathInternals.html#xmlXPathCountFunction">xmlXPathCountFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
235 int nargs);
236void <a href="libxml-xpathInternals.html#xmlXPathIdFunction">xmlXPathIdFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
237 int nargs);
238void <a href="libxml-xpathInternals.html#xmlXPathLocalNameFunction">xmlXPathLocalNameFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
239 int nargs);
240void <a href="libxml-xpathInternals.html#xmlXPathNamespaceURIFunction">xmlXPathNamespaceURIFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
241 int nargs);
242void <a href="libxml-xpathInternals.html#xmlXPathStringFunction">xmlXPathStringFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
243 int nargs);
244void <a href="libxml-xpathInternals.html#xmlXPathStringLengthFunction">xmlXPathStringLengthFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
245 int nargs);
246void <a href="libxml-xpathInternals.html#xmlXPathConcatFunction">xmlXPathConcatFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
247 int nargs);
248void <a href="libxml-xpathInternals.html#xmlXPathContainsFunction">xmlXPathContainsFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
249 int nargs);
250void <a href="libxml-xpathInternals.html#xmlXPathStartsWithFunction">xmlXPathStartsWithFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
251 int nargs);
252void <a href="libxml-xpathInternals.html#xmlXPathSubstringFunction">xmlXPathSubstringFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
253 int nargs);
254void <a href="libxml-xpathInternals.html#xmlXPathSubstringBeforeFunction">xmlXPathSubstringBeforeFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
255 int nargs);
256void <a href="libxml-xpathInternals.html#xmlXPathSubstringAfterFunction">xmlXPathSubstringAfterFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
257 int nargs);
258void <a href="libxml-xpathInternals.html#xmlXPathNormalizeFunction">xmlXPathNormalizeFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
259 int nargs);
260void <a href="libxml-xpathInternals.html#xmlXPathTranslateFunction">xmlXPathTranslateFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
261 int nargs);
262void <a href="libxml-xpathInternals.html#xmlXPathNotFunction">xmlXPathNotFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
263 int nargs);
264void <a href="libxml-xpathInternals.html#xmlXPathTrueFunction">xmlXPathTrueFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
265 int nargs);
266void <a href="libxml-xpathInternals.html#xmlXPathFalseFunction">xmlXPathFalseFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
267 int nargs);
268void <a href="libxml-xpathInternals.html#xmlXPathLangFunction">xmlXPathLangFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
269 int nargs);
270void <a href="libxml-xpathInternals.html#xmlXPathNumberFunction">xmlXPathNumberFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
271 int nargs);
272void <a href="libxml-xpathInternals.html#xmlXPathSumFunction">xmlXPathSumFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
273 int nargs);
274void <a href="libxml-xpathInternals.html#xmlXPathFloorFunction">xmlXPathFloorFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
275 int nargs);
276void <a href="libxml-xpathInternals.html#xmlXPathCeilingFunction">xmlXPathCeilingFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
277 int nargs);
278void <a href="libxml-xpathInternals.html#xmlXPathRoundFunction">xmlXPathRoundFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
279 int nargs);
280void <a href="libxml-xpathInternals.html#xmlXPathBooleanFunction">xmlXPathBooleanFunction</a> (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
281 int nargs);
282void <a href="libxml-xpathInternals.html#xmlXPathNodeSetFreeNs">xmlXPathNodeSetFreeNs</a> (<a href="libxml-tree.html#xmlNsPtr">xmlNsPtr</a> ns);
283</pre></div><div class="refsect1" lang="en"><h2>Description</h2><p>
284
285</p></div><div class="refsect1" lang="en"><h2>Details</h2><div class="refsect2" lang="en"><h3><a name="xmlXPathSetError"></a>xmlXPathSetError()</h3><pre class="programlisting">#define xmlXPathSetError(ctxt, err)</pre><p>
286Raises an error.</p><p>
287
288</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
289</td></tr><tr><td><span class="term"><i><tt>err</tt></i> :</span></td><td> an xmlXPathError code
290</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathSetArityError"></a>xmlXPathSetArityError()</h3><pre class="programlisting">#define xmlXPathSetArityError(ctxt)</pre><p>
291Raises an XPATH_INVALID_ARITY error.</p><p>
292
293</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
294</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathSetTypeError"></a>xmlXPathSetTypeError()</h3><pre class="programlisting">#define xmlXPathSetTypeError(ctxt)</pre><p>
295Raises an XPATH_INVALID_TYPE error.</p><p>
296
297</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
298</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathGetError"></a>xmlXPathGetError()</h3><pre class="programlisting">#define xmlXPathGetError(ctxt) ((ctxt)-&gt;error)
299</pre><p>
300Get the error code of an XPath context.</p><p>
301
302</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
303</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathCheckError"></a>xmlXPathCheckError()</h3><pre class="programlisting">#define xmlXPathCheckError(ctxt) ((ctxt)-&gt;error != XPATH_EXPRESSION_OK)
304</pre><p>
305Check if an XPath error was raised.</p><p>
306
307</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
308</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathGetDocument"></a>xmlXPathGetDocument()</h3><pre class="programlisting">#define xmlXPathGetDocument(ctxt) ((ctxt)-&gt;context-&gt;doc)
309</pre><p>
310Get the document of an XPath context.</p><p>
311
312</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
313</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathGetContextNode"></a>xmlXPathGetContextNode()</h3><pre class="programlisting">#define xmlXPathGetContextNode(ctxt) ((ctxt)-&gt;context-&gt;node)
314</pre><p>
315Get the context node of an XPath context.</p><p>
316
317</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
318</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathPopBoolean"></a>xmlXPathPopBoolean ()</h3><pre class="programlisting">int xmlXPathPopBoolean (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
319Pops a boolean from the stack, handling conversion if needed.
320Check error with <a href="libxml-xpathInternals.html#xmlXPathCheckError">xmlXPathCheckError</a>.</p><p>
321
322</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
323</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the boolean
324</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathPopNumber"></a>xmlXPathPopNumber ()</h3><pre class="programlisting"><GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="double">double</GTKDOCLINK> xmlXPathPopNumber (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
325Pops a number from the stack, handling conversion if needed.
326Check error with <a href="libxml-xpathInternals.html#xmlXPathCheckError">xmlXPathCheckError</a>.</p><p>
327
328</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
329</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the number
330</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathPopString"></a>xmlXPathPopString ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlXPathPopString (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
331Pops a string from the stack, handling conversion if needed.
332Check error with <a href="libxml-xpathInternals.html#xmlXPathCheckError">xmlXPathCheckError</a>.</p><p>
333
334</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
335</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the string
336</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathPopNodeSet"></a>xmlXPathPopNodeSet ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathPopNodeSet (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
337Pops a node-set from the stack, handling conversion if needed.
338Check error with <a href="libxml-xpathInternals.html#xmlXPathCheckError">xmlXPathCheckError</a>.</p><p>
339
340</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
341</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the node-set
342</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathPopExternal"></a>xmlXPathPopExternal ()</h3><pre class="programlisting">void* xmlXPathPopExternal (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
343Pops an external object from the stack, handling conversion if needed.
344Check error with <a href="libxml-xpathInternals.html#xmlXPathCheckError">xmlXPathCheckError</a>.</p><p>
345
346</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
347</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnBoolean"></a>xmlXPathReturnBoolean()</h3><pre class="programlisting">#define xmlXPathReturnBoolean(ctxt, val)</pre><p>
348Pushes the boolean <i><tt>val</tt></i> on the context stack.</p><p>
349
350</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
351</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> a boolean
352</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnTrue"></a>xmlXPathReturnTrue()</h3><pre class="programlisting">#define xmlXPathReturnTrue(ctxt) xmlXPathReturnBoolean((ctxt), 1)
353</pre><p>
354Pushes true on the context stack.</p><p>
355
356</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
357</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnFalse"></a>xmlXPathReturnFalse()</h3><pre class="programlisting">#define xmlXPathReturnFalse(ctxt) xmlXPathReturnBoolean((ctxt), 0)
358</pre><p>
359Pushes false on the context stack.</p><p>
360
361</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
362</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnNumber"></a>xmlXPathReturnNumber()</h3><pre class="programlisting">#define xmlXPathReturnNumber(ctxt, val)</pre><p>
363Pushes the double <i><tt>val</tt></i> on the context stack.</p><p>
364
365</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
366</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> a double
367</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnString"></a>xmlXPathReturnString()</h3><pre class="programlisting">#define xmlXPathReturnString(ctxt, str)</pre><p>
368Pushes the string <i><tt>str</tt></i> on the context stack.</p><p>
369
370</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
371</td></tr><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> a string
372</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnEmptyString"></a>xmlXPathReturnEmptyString()</h3><pre class="programlisting">#define xmlXPathReturnEmptyString(ctxt)</pre><p>
373Pushes an empty string on the stack.</p><p>
374
375</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
376</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnNodeSet"></a>xmlXPathReturnNodeSet()</h3><pre class="programlisting">#define xmlXPathReturnNodeSet(ctxt, ns)</pre><p>
377Pushes the node-set <i><tt>ns</tt></i> on the context stack.</p><p>
378
379</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
380</td></tr><tr><td><span class="term"><i><tt>ns</tt></i> :</span></td><td> a node-set
381</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnEmptyNodeSet"></a>xmlXPathReturnEmptyNodeSet()</h3><pre class="programlisting">#define xmlXPathReturnEmptyNodeSet(ctxt)</pre><p>
382Pushes an empty node-set on the context stack.</p><p>
383
384</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
385</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathReturnExternal"></a>xmlXPathReturnExternal()</h3><pre class="programlisting">#define xmlXPathReturnExternal(ctxt, val)</pre><p>
386Pushes user data on the context stack.</p><p>
387
388</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
389</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> user data
390</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathStackIsNodeSet"></a>xmlXPathStackIsNodeSet()</h3><pre class="programlisting">#define xmlXPathStackIsNodeSet(ctxt)</pre><p>
391Check if the current value on the XPath stack is a node set or
392an XSLT value tree.</p><p>
393
394</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
395</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathStackIsExternal"></a>xmlXPathStackIsExternal()</h3><pre class="programlisting">#define xmlXPathStackIsExternal(ctxt)</pre><p>
396Checks if the current value on the XPath stack is an external
397object.</p><p>
398
399</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath parser context
400</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathEmptyNodeSet"></a>xmlXPathEmptyNodeSet()</h3><pre class="programlisting">#define xmlXPathEmptyNodeSet(ns)</pre><p>
401Empties a node-set.</p><p>
402
403</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ns</tt></i> :</span></td><td> a node-set
404</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CHECK-ERROR-CAPS"></a>CHECK_ERROR</h3><pre class="programlisting">#define CHECK_ERROR</pre><p>
405Macro to return from the function if an XPath error was detected.</p><p>
406
407</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CHECK-ERROR0-CAPS"></a>CHECK_ERROR0</h3><pre class="programlisting">#define CHECK_ERROR0</pre><p>
408Macro to return 0 from the function if an XPath error was detected.</p><p>
409
410</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="XP-ERROR-CAPS"></a>XP_ERROR()</h3><pre class="programlisting">#define XP_ERROR(X)</pre><p>
411Macro to raise an XPath error and return.</p><p>
412
413</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>X</tt></i> :</span></td><td> the error code
414</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="XP-ERROR0-CAPS"></a>XP_ERROR0()</h3><pre class="programlisting">#define XP_ERROR0(X)</pre><p>
415Macro to raise an XPath error and return 0.</p><p>
416
417</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>X</tt></i> :</span></td><td> the error code
418</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CHECK-TYPE-CAPS"></a>CHECK_TYPE()</h3><pre class="programlisting">#define CHECK_TYPE(typeval)</pre><p>
419Macro to check that the value on top of the XPath stack is of a given
420type.</p><p>
421
422</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>typeval</tt></i> :</span></td><td> the XPath type
423</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CHECK-TYPE0-CAPS"></a>CHECK_TYPE0()</h3><pre class="programlisting">#define CHECK_TYPE0(typeval)</pre><p>
424Macro to check that the value on top of the XPath stack is of a given
425type. Return(0) in case of failure</p><p>
426
427</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>typeval</tt></i> :</span></td><td> the XPath type
428</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CHECK-ARITY-CAPS"></a>CHECK_ARITY()</h3><pre class="programlisting">#define CHECK_ARITY(x)</pre><p>
429Macro to check that the number of args passed to an XPath function matches.</p><p>
430
431</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>x</tt></i> :</span></td><td> the number of expected args
432</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CAST-TO-STRING-CAPS"></a>CAST_TO_STRING</h3><pre class="programlisting">#define CAST_TO_STRING</pre><p>
433Macro to try to cast the value on the top of the XPath stack to a string.</p><p>
434
435</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CAST-TO-NUMBER-CAPS"></a>CAST_TO_NUMBER</h3><pre class="programlisting">#define CAST_TO_NUMBER</pre><p>
436Macro to try to cast the value on the top of the XPath stack to a number.</p><p>
437
438</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="CAST-TO-BOOLEAN-CAPS"></a>CAST_TO_BOOLEAN</h3><pre class="programlisting">#define CAST_TO_BOOLEAN</pre><p>
439Macro to try to cast the value on the top of the XPath stack to a boolean.</p><p>
440
441</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathVariableLookupFunc"></a>xmlXPathVariableLookupFunc ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> (*xmlXPathVariableLookupFunc)
442 (void *ctxt,
443 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
444 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);</pre><p>
445Prototype for callbacks used to plug variable lookup in the XPath
446engine.</p><p>
447
448</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath context
449</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> name of the variable
450</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i> :</span></td><td> the namespace name hosting this variable
451</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the XPath object value or NULL if not found.
452</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterVariableLookup"></a>xmlXPathRegisterVariableLookup ()</h3><pre class="programlisting">void xmlXPathRegisterVariableLookup (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
453 <a href="libxml-xpathInternals.html#xmlXPathVariableLookupFunc">xmlXPathVariableLookupFunc</a> f,
454 void *data);</pre><p>
455register an external mechanism to do variable lookup</p><p>
456
457</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
458</td></tr><tr><td><span class="term"><i><tt>f</tt></i> :</span></td><td> the lookup function
459</td></tr><tr><td><span class="term"><i><tt>data</tt></i> :</span></td><td> the lookup data
460</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathFuncLookupFunc"></a>xmlXPathFuncLookupFunc ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> (*xmlXPathFuncLookupFunc) (void *ctxt,
461 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
462 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);</pre><p>
463Prototype for callbacks used to plug function lookup in the XPath
464engine.</p><p>
465
466</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath context
467</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> name of the function
468</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i> :</span></td><td> the namespace name hosting this function
469</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the XPath function or NULL if not found.
470</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterFuncLookup"></a>xmlXPathRegisterFuncLookup ()</h3><pre class="programlisting">void xmlXPathRegisterFuncLookup (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
471 <a href="libxml-xpathInternals.html#xmlXPathFuncLookupFunc">xmlXPathFuncLookupFunc</a> f,
472 void *funcCtxt);</pre><p>
473Registers an external mechanism to do function lookup.</p><p>
474
475</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
476</td></tr><tr><td><span class="term"><i><tt>f</tt></i> :</span></td><td> the lookup function
477</td></tr><tr><td><span class="term"><i><tt>funcCtxt</tt></i> :</span></td><td> the lookup data
478</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPatherror"></a>xmlXPatherror ()</h3><pre class="programlisting">void xmlXPatherror (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
479 const char *file,
480 int line,
481 int no);</pre><p>
482Formats an error message.</p><p>
483
484</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
485</td></tr><tr><td><span class="term"><i><tt>file</tt></i> :</span></td><td> the file name
486</td></tr><tr><td><span class="term"><i><tt>line</tt></i> :</span></td><td> the line number
487</td></tr><tr><td><span class="term"><i><tt>no</tt></i> :</span></td><td> the error number
488</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathDebugDumpObject"></a>xmlXPathDebugDumpObject ()</h3><pre class="programlisting">void xmlXPathDebugDumpObject (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *output,
489 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> cur,
490 int depth);</pre><p>
491Dump the content of the object for debugging purposes</p><p>
492
493</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>output</tt></i> :</span></td><td> the FILE * to dump the output
494</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the object to inspect
495</td></tr><tr><td><span class="term"><i><tt>depth</tt></i> :</span></td><td> indentation level
496</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathDebugDumpCompExpr"></a>xmlXPathDebugDumpCompExpr ()</h3><pre class="programlisting">void xmlXPathDebugDumpCompExpr (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *output,
497 <a href="libxml-xpath.html#xmlXPathCompExprPtr">xmlXPathCompExprPtr</a> comp,
498 int depth);</pre><p>
499Dumps the tree of the compiled XPath expression.</p><p>
500
501</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>output</tt></i> :</span></td><td> the FILE * for the output
502</td></tr><tr><td><span class="term"><i><tt>comp</tt></i> :</span></td><td> the precompiled XPath expression
503</td></tr><tr><td><span class="term"><i><tt>depth</tt></i> :</span></td><td> the indentation level.
504</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetContains"></a>xmlXPathNodeSetContains ()</h3><pre class="programlisting">int xmlXPathNodeSetContains (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
505 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);</pre><p>
506checks whether <i><tt>cur</tt></i> contains <i><tt>val</tt></i></p><p>
507
508</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the node-set
509</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the node
510</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>true (1) if <i><tt>cur</tt></i> contains <i><tt>val</tt></i>, false (0) otherwise
511</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathDifference"></a>xmlXPathDifference ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathDifference (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
512 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);</pre><p>
513Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="difference">difference</GTKDOCLINK>() function:
514 node-set set:difference (node-set, node-set)</p><p>
515
516</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes1</tt></i> :</span></td><td> a node-set
517</td></tr><tr><td><span class="term"><i><tt>nodes2</tt></i> :</span></td><td> a node-set
518</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the difference between the two node sets, or nodes1 if
519 nodes2 is empty
520</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathIntersection"></a>xmlXPathIntersection ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathIntersection (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
521 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);</pre><p>
522Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="intersection">intersection</GTKDOCLINK>() function:
523 node-set set:intersection (node-set, node-set)</p><p>
524
525</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes1</tt></i> :</span></td><td> a node-set
526</td></tr><tr><td><span class="term"><i><tt>nodes2</tt></i> :</span></td><td> a node-set
527</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a node set comprising the nodes that are within both the
528 node sets passed as arguments
529</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathDistinctSorted"></a>xmlXPathDistinctSorted ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathDistinctSorted (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes);</pre><p>
530Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="distinct">distinct</GTKDOCLINK>() function:
531 node-set set:distinct (node-set)</p><p>
532
533</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes</tt></i> :</span></td><td> a node-set, sorted by document order
534</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a subset of the nodes contained in <i><tt>nodes</tt></i>, or <i><tt>nodes</tt></i> if
535 it is empty
536</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathDistinct"></a>xmlXPathDistinct ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathDistinct (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes);</pre><p>
537Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="distinct">distinct</GTKDOCLINK>() function:
538 node-set set:distinct (node-set)
539<i><tt>nodes</tt></i> is sorted by document order, then <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="exslSetsDistinctSorted">exslSetsDistinctSorted</GTKDOCLINK>
540is called with the sorted node-set</p><p>
541
542</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes</tt></i> :</span></td><td> a node-set
543</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a subset of the nodes contained in <i><tt>nodes</tt></i>, or <i><tt>nodes</tt></i> if
544 it is empty
545</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathHasSameNodes"></a>xmlXPathHasSameNodes ()</h3><pre class="programlisting">int xmlXPathHasSameNodes (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
546 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);</pre><p>
547Implements the EXSLT - Sets has-same-nodes function:
548 boolean set:has-same-node(node-set, node-set)</p><p>
549
550</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes1</tt></i> :</span></td><td> a node-set
551</td></tr><tr><td><span class="term"><i><tt>nodes2</tt></i> :</span></td><td> a node-set
552</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>true (1) if <i><tt>nodes1</tt></i> shares any node with <i><tt>nodes2</tt></i>, false (0)
553 otherwise
554</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeLeadingSorted"></a>xmlXPathNodeLeadingSorted ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathNodeLeadingSorted (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
555 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);</pre><p>
556Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="leading">leading</GTKDOCLINK>() function:
557 node-set set:leading (node-set, node-set)</p><p>
558
559</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes</tt></i> :</span></td><td> a node-set, sorted by document order
560</td></tr><tr><td><span class="term"><i><tt>node</tt></i> :</span></td><td> a node
561</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes</tt></i> that precede <i><tt>node</tt></i> in document order,
562 <i><tt>nodes</tt></i> if <i><tt>node</tt></i> is NULL or an empty node-set if <i><tt>nodes</tt></i>
563 doesn't contain <i><tt>node</tt></i>
564</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathLeadingSorted"></a>xmlXPathLeadingSorted ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathLeadingSorted (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
565 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);</pre><p>
566Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="leading">leading</GTKDOCLINK>() function:
567 node-set set:leading (node-set, node-set)</p><p>
568
569</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes1</tt></i> :</span></td><td> a node-set, sorted by document order
570</td></tr><tr><td><span class="term"><i><tt>nodes2</tt></i> :</span></td><td> a node-set, sorted by document order
571</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes1</tt></i> that precede the first node in <i><tt>nodes2</tt></i>
572 in document order, <i><tt>nodes1</tt></i> if <i><tt>nodes2</tt></i> is NULL or empty or
573 an empty node-set if <i><tt>nodes1</tt></i> doesn't contain <i><tt>nodes2</tt></i>
574</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeLeading"></a>xmlXPathNodeLeading ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathNodeLeading (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
575 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);</pre><p>
576Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="leading">leading</GTKDOCLINK>() function:
577 node-set set:leading (node-set, node-set)
578<i><tt>nodes</tt></i> is sorted by document order, then <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="exslSetsNodeLeadingSorted">exslSetsNodeLeadingSorted</GTKDOCLINK>
579is called.</p><p>
580
581</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes</tt></i> :</span></td><td> a node-set
582</td></tr><tr><td><span class="term"><i><tt>node</tt></i> :</span></td><td> a node
583</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes</tt></i> that precede <i><tt>node</tt></i> in document order,
584 <i><tt>nodes</tt></i> if <i><tt>node</tt></i> is NULL or an empty node-set if <i><tt>nodes</tt></i>
585 doesn't contain <i><tt>node</tt></i>
586</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathLeading"></a>xmlXPathLeading ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathLeading (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
587 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);</pre><p>
588Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="leading">leading</GTKDOCLINK>() function:
589 node-set set:leading (node-set, node-set)
590<i><tt>nodes1</tt></i> and <i><tt>nodes2</tt></i> are sorted by document order, then
591<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="exslSetsLeadingSorted">exslSetsLeadingSorted</GTKDOCLINK> is called.</p><p>
592
593</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes1</tt></i> :</span></td><td> a node-set
594</td></tr><tr><td><span class="term"><i><tt>nodes2</tt></i> :</span></td><td> a node-set
595</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes1</tt></i> that precede the first node in <i><tt>nodes2</tt></i>
596 in document order, <i><tt>nodes1</tt></i> if <i><tt>nodes2</tt></i> is NULL or empty or
597 an empty node-set if <i><tt>nodes1</tt></i> doesn't contain <i><tt>nodes2</tt></i>
598</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeTrailingSorted"></a>xmlXPathNodeTrailingSorted ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathNodeTrailingSorted (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
599 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);</pre><p>
600Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="trailing">trailing</GTKDOCLINK>() function:
601 node-set set:trailing (node-set, node-set)</p><p>
602
603</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes</tt></i> :</span></td><td> a node-set, sorted by document order
604</td></tr><tr><td><span class="term"><i><tt>node</tt></i> :</span></td><td> a node
605</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes</tt></i> that follow <i><tt>node</tt></i> in document order,
606 <i><tt>nodes</tt></i> if <i><tt>node</tt></i> is NULL or an empty node-set if <i><tt>nodes</tt></i>
607 doesn't contain <i><tt>node</tt></i>
608</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathTrailingSorted"></a>xmlXPathTrailingSorted ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathTrailingSorted (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
609 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);</pre><p>
610Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="trailing">trailing</GTKDOCLINK>() function:
611 node-set set:trailing (node-set, node-set)</p><p>
612
613</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes1</tt></i> :</span></td><td> a node-set, sorted by document order
614</td></tr><tr><td><span class="term"><i><tt>nodes2</tt></i> :</span></td><td> a node-set, sorted by document order
615</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes1</tt></i> that follow the first node in <i><tt>nodes2</tt></i>
616 in document order, <i><tt>nodes1</tt></i> if <i><tt>nodes2</tt></i> is NULL or empty or
617 an empty node-set if <i><tt>nodes1</tt></i> doesn't contain <i><tt>nodes2</tt></i>
618</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeTrailing"></a>xmlXPathNodeTrailing ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathNodeTrailing (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes,
619 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node);</pre><p>
620Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="trailing">trailing</GTKDOCLINK>() function:
621 node-set set:trailing (node-set, node-set)
622<i><tt>nodes</tt></i> is sorted by document order, then <a href="libxml-xpathInternals.html#xmlXPathNodeTrailingSorted">xmlXPathNodeTrailingSorted</a>
623is called.</p><p>
624
625</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes</tt></i> :</span></td><td> a node-set
626</td></tr><tr><td><span class="term"><i><tt>node</tt></i> :</span></td><td> a node
627</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes</tt></i> that follow <i><tt>node</tt></i> in document order,
628 <i><tt>nodes</tt></i> if <i><tt>node</tt></i> is NULL or an empty node-set if <i><tt>nodes</tt></i>
629 doesn't contain <i><tt>node</tt></i>
630</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathTrailing"></a>xmlXPathTrailing ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathTrailing (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes1,
631 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes2);</pre><p>
632Implements the EXSLT - Sets <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="trailing">trailing</GTKDOCLINK>() function:
633 node-set set:trailing (node-set, node-set)
634<i><tt>nodes1</tt></i> and <i><tt>nodes2</tt></i> are sorted by document order, then
635<a href="libxml-xpathInternals.html#xmlXPathTrailingSorted">xmlXPathTrailingSorted</a> is called.</p><p>
636
637</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>nodes1</tt></i> :</span></td><td> a node-set
638</td></tr><tr><td><span class="term"><i><tt>nodes2</tt></i> :</span></td><td> a node-set
639</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the nodes in <i><tt>nodes1</tt></i> that follow the first node in <i><tt>nodes2</tt></i>
640 in document order, <i><tt>nodes1</tt></i> if <i><tt>nodes2</tt></i> is NULL or empty or
641 an empty node-set if <i><tt>nodes1</tt></i> doesn't contain <i><tt>nodes2</tt></i>
642</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterNs"></a>xmlXPathRegisterNs ()</h3><pre class="programlisting">int xmlXPathRegisterNs (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
643 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *prefix,
644 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);</pre><p>
645Register a new namespace. If <i><tt>ns_uri</tt></i> is NULL it unregisters
646the namespace</p><p>
647
648</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
649</td></tr><tr><td><span class="term"><i><tt>prefix</tt></i> :</span></td><td> the namespace prefix
650</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i> :</span></td><td> the namespace name
651</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 in case of success, -1 in case of error
652</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNsLookup"></a>xmlXPathNsLookup ()</h3><pre class="programlisting">const <a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlXPathNsLookup (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
653 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *prefix);</pre><p>
654Search in the namespace declaration array of the context for the given
655namespace name associated to the given prefix</p><p>
656
657</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
658</td></tr><tr><td><span class="term"><i><tt>prefix</tt></i> :</span></td><td> the namespace prefix value
659</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the value or NULL if not found
660</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisteredNsCleanup"></a>xmlXPathRegisteredNsCleanup ()</h3><pre class="programlisting">void xmlXPathRegisteredNsCleanup (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);</pre><p>
661Cleanup the XPath context data associated to registered variables</p><p>
662
663</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
664</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterFunc"></a>xmlXPathRegisterFunc ()</h3><pre class="programlisting">int xmlXPathRegisterFunc (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
665 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
666 <a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> f);</pre><p>
667Register a new function. If <i><tt>f</tt></i> is NULL it unregisters the function</p><p>
668
669</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
670</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the function name
671</td></tr><tr><td><span class="term"><i><tt>f</tt></i> :</span></td><td> the function implementation or NULL
672</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 in case of success, -1 in case of error
673</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterFuncNS"></a>xmlXPathRegisterFuncNS ()</h3><pre class="programlisting">int xmlXPathRegisterFuncNS (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
674 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
675 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri,
676 <a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> f);</pre><p>
677Register a new function. If <i><tt>f</tt></i> is NULL it unregisters the function</p><p>
678
679</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
680</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the function name
681</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i> :</span></td><td> the function namespace URI
682</td></tr><tr><td><span class="term"><i><tt>f</tt></i> :</span></td><td> the function implementation or NULL
683</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 in case of success, -1 in case of error
684</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterVariable"></a>xmlXPathRegisterVariable ()</h3><pre class="programlisting">int xmlXPathRegisterVariable (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
685 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
686 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> value);</pre><p>
687Register a new variable value. If <i><tt>value</tt></i> is NULL it unregisters
688the variable</p><p>
689
690</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
691</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the variable name
692</td></tr><tr><td><span class="term"><i><tt>value</tt></i> :</span></td><td> the variable value or NULL
693</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 in case of success, -1 in case of error
694</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterVariableNS"></a>xmlXPathRegisterVariableNS ()</h3><pre class="programlisting">int xmlXPathRegisterVariableNS (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
695 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
696 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri,
697 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> value);</pre><p>
698Register a new variable value. If <i><tt>value</tt></i> is NULL it unregisters
699the variable</p><p>
700
701</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
702</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the variable name
703</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i> :</span></td><td> the variable namespace URI
704</td></tr><tr><td><span class="term"><i><tt>value</tt></i> :</span></td><td> the variable value or NULL
705</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 in case of success, -1 in case of error
706</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathFunctionLookup"></a>xmlXPathFunctionLookup ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> xmlXPathFunctionLookup (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
707 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name);</pre><p>
708Search in the Function array of the context for the given
709function.</p><p>
710
711</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
712</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the function name
713</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the xmlXPathFunction or NULL if not found
714</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathFunctionLookupNS"></a>xmlXPathFunctionLookupNS ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathFunction">xmlXPathFunction</a> xmlXPathFunctionLookupNS (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
715 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
716 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);</pre><p>
717Search in the Function array of the context for the given
718function.</p><p>
719
720</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
721</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the function name
722</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i> :</span></td><td> the function namespace URI
723</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the xmlXPathFunction or NULL if not found
724</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisteredFuncsCleanup"></a>xmlXPathRegisteredFuncsCleanup ()</h3><pre class="programlisting">void xmlXPathRegisteredFuncsCleanup (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);</pre><p>
725Cleanup the XPath context data associated to registered functions</p><p>
726
727</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
728</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathVariableLookup"></a>xmlXPathVariableLookup ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathVariableLookup (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
729 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name);</pre><p>
730Search in the Variable array of the context for the given
731variable value.</p><p>
732
733</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
734</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the variable name
735</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a copy of the value or NULL if not found
736</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathVariableLookupNS"></a>xmlXPathVariableLookupNS ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathVariableLookupNS (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt,
737 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name,
738 const <a href="libxml-tree.html#xmlChar">xmlChar</a> *ns_uri);</pre><p>
739Search in the Variable array of the context for the given
740variable value.</p><p>
741
742</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
743</td></tr><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> the variable name
744</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i> :</span></td><td> the variable namespace URI
745</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the a copy of the value or NULL if not found
746</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisteredVariablesCleanup"></a>xmlXPathRegisteredVariablesCleanup ()</h3><pre class="programlisting">void xmlXPathRegisteredVariablesCleanup
747 (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);</pre><p>
748Cleanup the XPath context data associated to registered variables</p><p>
749
750</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
751</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewParserContext"></a>xmlXPathNewParserContext ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> xmlXPathNewParserContext
752 (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str,
753 <a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);</pre><p>
754Create a new xmlXPathParserContext</p><p>
755
756</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> the XPath expression
757</td></tr><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
758</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the xmlXPathParserContext just allocated.
759</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathFreeParserContext"></a>xmlXPathFreeParserContext ()</h3><pre class="programlisting">void xmlXPathFreeParserContext (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
760Free up an xmlXPathParserContext</p><p>
761
762</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the context to free
763</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="valuePop"></a>valuePop ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> valuePop (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
764Pops the top XPath object from the value stack</p><p>
765
766</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath evaluation context
767</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the XPath object just removed
768</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="valuePush"></a>valuePush ()</h3><pre class="programlisting">int valuePush (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
769 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> value);</pre><p>
770Pushes a new XPath object on top of the value stack</p><p>
771
772</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> an XPath evaluation context
773</td></tr><tr><td><span class="term"><i><tt>value</tt></i> :</span></td><td> the XPath object
774</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the number of items on the value stack
775</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewString"></a>xmlXPathNewString ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathNewString (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *val);</pre><p>
776Create a new xmlXPathObjectPtr of type string and of value <i><tt>val</tt></i></p><p>
777
778</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the xmlChar * value
779</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
780</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewCString"></a>xmlXPathNewCString ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathNewCString (const char *val);</pre><p>
781Create a new xmlXPathObjectPtr of type string and of value <i><tt>val</tt></i></p><p>
782
783</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the char * value
784</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
785</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathWrapString"></a>xmlXPathWrapString ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathWrapString (<a href="libxml-tree.html#xmlChar">xmlChar</a> *val);</pre><p>
786Wraps the <i><tt>val</tt></i> string into an XPath object.</p><p>
787
788</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the xmlChar * value
789</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
790</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathWrapCString"></a>xmlXPathWrapCString ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathWrapCString (char *val);</pre><p>
791Wraps a string into an XPath object.</p><p>
792
793</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the char * value
794</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
795</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewFloat"></a>xmlXPathNewFloat ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathNewFloat (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="double">double</GTKDOCLINK> val);</pre><p>
796Create a new xmlXPathObjectPtr of type double and of value <i><tt>val</tt></i></p><p>
797
798</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the double value
799</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
800</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewBoolean"></a>xmlXPathNewBoolean ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathNewBoolean (int val);</pre><p>
801Create a new xmlXPathObjectPtr of type boolean and of value <i><tt>val</tt></i></p><p>
802
803</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the boolean value
804</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
805</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewNodeSet"></a>xmlXPathNewNodeSet ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathNewNodeSet (<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);</pre><p>
806Create a new xmlXPathObjectPtr of type NodeSet and initialize
807it with the single Node <i><tt>val</tt></i></p><p>
808
809</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the NodePtr value
810</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
811</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewValueTree"></a>xmlXPathNewValueTree ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathNewValueTree (<a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);</pre><p>
812Create a new xmlXPathObjectPtr of type Value Tree (XSLT) and initialize
813it with the tree root <i><tt>val</tt></i></p><p>
814
815</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the NodePtr value
816</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
817</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetAdd"></a>xmlXPathNodeSetAdd ()</h3><pre class="programlisting">void xmlXPathNodeSetAdd (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
818 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);</pre><p>
819add a new xmlNodePtr to an existing NodeSet</p><p>
820
821</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the initial node set
822</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> a new xmlNodePtr
823</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetAddUnique"></a>xmlXPathNodeSetAddUnique ()</h3><pre class="programlisting">void xmlXPathNodeSetAddUnique (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
824 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);</pre><p>
825add a new xmlNodePtr to an existing NodeSet, optimized version
826when we are sure the node is not already in the set.</p><p>
827
828</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the initial node set
829</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> a new xmlNodePtr
830</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetAddNs"></a>xmlXPathNodeSetAddNs ()</h3><pre class="programlisting">void xmlXPathNodeSetAddNs (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
831 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node,
832 <a href="libxml-tree.html#xmlNsPtr">xmlNsPtr</a> ns);</pre><p>
833add a new namespace node to an existing NodeSet</p><p>
834
835</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the initial node set
836</td></tr><tr><td><span class="term"><i><tt>node</tt></i> :</span></td><td> the hosting node
837</td></tr><tr><td><span class="term"><i><tt>ns</tt></i> :</span></td><td> a the namespace node
838</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetSort"></a>xmlXPathNodeSetSort ()</h3><pre class="programlisting">void xmlXPathNodeSetSort (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> set);</pre><p>
839Sort the node set in document order</p><p>
840
841</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>set</tt></i> :</span></td><td> the node set
842</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRoot"></a>xmlXPathRoot ()</h3><pre class="programlisting">void xmlXPathRoot (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
843Initialize the context to the root of the document</p><p>
844
845</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
846</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathEvalExpr"></a>xmlXPathEvalExpr ()</h3><pre class="programlisting">void xmlXPathEvalExpr (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
847Parse and evaluate an XPath expression in the given context,
848then push the result on the context stack</p><p>
849
850</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
851</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathParseName"></a>xmlXPathParseName ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlXPathParseName (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
852parse an XML name
853</p><p>
854[4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
855 CombiningChar | Extender
856</p><p>
857[5] Name ::= (Letter | '_' | ':') (NameChar)*</p><p>
858
859</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
860</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the namespace name or NULL
861</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathParseNCName"></a>xmlXPathParseNCName ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlChar">xmlChar</a>* xmlXPathParseNCName (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
862parse an XML namespace non qualified name.
863</p><p>
864[NS 3] NCName ::= (Letter | '_') (NCNameChar)*
865</p><p>
866[NS 4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' |
867 CombiningChar | Extender</p><p>
868
869</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
870</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the namespace name or NULL
871</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathStringEvalNumber"></a>xmlXPathStringEvalNumber ()</h3><pre class="programlisting"><GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="double">double</GTKDOCLINK> xmlXPathStringEvalNumber (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *str);</pre><p>
872[30a] Float ::= Number ('e' Digits?)?
873</p><p>
874 [30] Number ::= Digits ('.' Digits?)?
875 | '.' Digits
876 [31] Digits ::= [0-9]+
877</p><p>
878Compile a Number in the string
879In complement of the Number expression, this function also handles
880negative values : '-' Number.</p><p>
881
882</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>str</tt></i> :</span></td><td> A string to scan
883</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the double value.
884</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathEvaluatePredicateResult"></a>xmlXPathEvaluatePredicateResult ()</h3><pre class="programlisting">int xmlXPathEvaluatePredicateResult (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
885 <a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> res);</pre><p>
886Evaluate a predicate result for the current node.
887A PredicateExpr is evaluated by evaluating the Expr and converting
888the result to a boolean. If the result is a number, the result will
889be converted to true if the number is equal to the position of the
890context node in the context node list (as returned by the position
891function) and will be converted to false otherwise; if the result
892is not a number, then the result will be converted as if by a call
893to the boolean function.</p><p>
894
895</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
896</td></tr><tr><td><span class="term"><i><tt>res</tt></i> :</span></td><td> the Predicate Expression evaluation result
897</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>1 if predicate is true, 0 otherwise
898</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRegisterAllFunctions"></a>xmlXPathRegisterAllFunctions ()</h3><pre class="programlisting">void xmlXPathRegisterAllFunctions (<a href="libxml-xpath.html#xmlXPathContextPtr">xmlXPathContextPtr</a> ctxt);</pre><p>
899Registers all default XPath functions in this context</p><p>
900
901</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath context
902</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetMerge"></a>xmlXPathNodeSetMerge ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> xmlXPathNodeSetMerge (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val1,
903 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val2);</pre><p>
904Merges two nodesets, all nodes from <i><tt>val2</tt></i> are added to <i><tt>val1</tt></i>
905if <i><tt>val1</tt></i> is NULL, a new set is created and copied from <i><tt>val2</tt></i></p><p>
906
907</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val1</tt></i> :</span></td><td> the first NodeSet or NULL
908</td></tr><tr><td><span class="term"><i><tt>val2</tt></i> :</span></td><td> the second NodeSet
909</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td><i><tt>val1</tt></i> once extended or NULL in case of error.
910</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetDel"></a>xmlXPathNodeSetDel ()</h3><pre class="programlisting">void xmlXPathNodeSetDel (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
911 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> val);</pre><p>
912Removes an xmlNodePtr from an existing NodeSet</p><p>
913
914</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the initial node set
915</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> an xmlNodePtr
916</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetRemove"></a>xmlXPathNodeSetRemove ()</h3><pre class="programlisting">void xmlXPathNodeSetRemove (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> cur,
917 int val);</pre><p>
918Removes an entry from an existing NodeSet list.</p><p>
919
920</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the initial node set
921</td></tr><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the index to remove
922</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNewNodeSetList"></a>xmlXPathNewNodeSetList ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathNewNodeSetList (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val);</pre><p>
923Create a new xmlXPathObjectPtr of type NodeSet and initialize
924it with the Nodeset <i><tt>val</tt></i></p><p>
925
926</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> an existing NodeSet
927</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
928</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathWrapNodeSet"></a>xmlXPathWrapNodeSet ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathWrapNodeSet (<a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> val);</pre><p>
929Wrap the Nodeset <i><tt>val</tt></i> in a new xmlXPathObjectPtr</p><p>
930
931</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the NodePtr value
932</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
933</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathWrapExternal"></a>xmlXPathWrapExternal ()</h3><pre class="programlisting"><a href="libxml-xpath.html#xmlXPathObjectPtr">xmlXPathObjectPtr</a> xmlXPathWrapExternal (void *val);</pre><p>
934Wraps the <i><tt>val</tt></i> data into an XPath object.</p><p>
935
936</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>val</tt></i> :</span></td><td> the user data
937</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the newly created object.
938</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathEqualValues"></a>xmlXPathEqualValues ()</h3><pre class="programlisting">int xmlXPathEqualValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
939Implement the equal operation on XPath objects content: <i><tt>arg1</tt></i> == <i><tt>arg2</tt></i></p><p>
940
941</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
942</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 or 1 depending on the results of the test.
943</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNotEqualValues"></a>xmlXPathNotEqualValues ()</h3><pre class="programlisting">int xmlXPathNotEqualValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
944Implement the equal operation on XPath objects content: <i><tt>arg1</tt></i> == <i><tt>arg2</tt></i></p><p>
945
946</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
947</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 or 1 depending on the results of the test.
948</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathCompareValues"></a>xmlXPathCompareValues ()</h3><pre class="programlisting">int xmlXPathCompareValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
949 int inf,
950 int strict);</pre><p>
951Implement the compare operation on XPath objects:
952 <i><tt>arg1</tt></i> &lt; <i><tt>arg2</tt></i> (1, 1, ...
953 <i><tt>arg1</tt></i> &lt;= <i><tt>arg2</tt></i> (1, 0, ...
954 <i><tt>arg1</tt></i> &gt; <i><tt>arg2</tt></i> (0, 1, ...
955 <i><tt>arg1</tt></i> &gt;= <i><tt>arg2</tt></i> (0, 0, ...
956</p><p>
957When neither object to be compared is a node-set and the operator is
958&lt;=, &lt;, &gt;=, &gt;, then the objects are compared by converted both objects
959to numbers and comparing the numbers according to IEEE 754. The &lt;
960comparison will be true if and only if the first number is less than the
961second number. The &lt;= comparison will be true if and only if the first
962number is less than or equal to the second number. The &gt; comparison
963will be true if and only if the first number is greater than the second
964number. The &gt;= comparison will be true if and only if the first number
965is greater than or equal to the second number.</p><p>
966
967</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
968</td></tr><tr><td><span class="term"><i><tt>inf</tt></i> :</span></td><td> less than (1) or greater than (0)
969</td></tr><tr><td><span class="term"><i><tt>strict</tt></i> :</span></td><td> is the comparison strict
970</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>1 if the comparison succeeded, 0 if it failed
971</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathValueFlipSign"></a>xmlXPathValueFlipSign ()</h3><pre class="programlisting">void xmlXPathValueFlipSign (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
972Implement the unary - operation on an XPath object
973The numeric operators convert their operands to numbers as if
974by calling the number function.</p><p>
975
976</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
977</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathAddValues"></a>xmlXPathAddValues ()</h3><pre class="programlisting">void xmlXPathAddValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
978Implement the add operation on XPath objects:
979The numeric operators convert their operands to numbers as if
980by calling the number function.</p><p>
981
982</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
983</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathSubValues"></a>xmlXPathSubValues ()</h3><pre class="programlisting">void xmlXPathSubValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
984Implement the subtraction operation on XPath objects:
985The numeric operators convert their operands to numbers as if
986by calling the number function.</p><p>
987
988</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
989</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathMultValues"></a>xmlXPathMultValues ()</h3><pre class="programlisting">void xmlXPathMultValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
990Implement the multiply operation on XPath objects:
991The numeric operators convert their operands to numbers as if
992by calling the number function.</p><p>
993
994</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
995</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathDivValues"></a>xmlXPathDivValues ()</h3><pre class="programlisting">void xmlXPathDivValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
996Implement the div operation on XPath objects <i><tt>arg1</tt></i> / <i><tt>arg2</tt></i>:
997The numeric operators convert their operands to numbers as if
998by calling the number function.</p><p>
999
1000</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1001</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathModValues"></a>xmlXPathModValues ()</h3><pre class="programlisting">void xmlXPathModValues (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt);</pre><p>
1002Implement the mod operation on XPath objects: <i><tt>arg1</tt></i> / <i><tt>arg2</tt></i>
1003The numeric operators convert their operands to numbers as if
1004by calling the number function.</p><p>
1005
1006</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1007</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathIsNodeType"></a>xmlXPathIsNodeType ()</h3><pre class="programlisting">int xmlXPathIsNodeType (const <a href="libxml-tree.html#xmlChar">xmlChar</a> *name);</pre><p>
1008Is the name given a NodeType one.
1009</p><p>
1010 [38] NodeType ::= 'comment'
1011 | 'text'
1012 | 'processing-instruction'
1013 | 'node'</p><p>
1014
1015</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>name</tt></i> :</span></td><td> a name string
1016</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>1 if true 0 otherwise
1017</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextSelf"></a>xmlXPathNextSelf ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextSelf (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1018 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1019Traversal function for the &quot;self&quot; direction
1020The self axis contains just the context node itself</p><p>
1021
1022</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1023</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1024</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1025</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextChild"></a>xmlXPathNextChild ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextChild (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1026 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1027Traversal function for the &quot;child&quot; direction
1028The child axis contains the children of the context node in document order.</p><p>
1029
1030</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1031</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1032</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1033</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextDescendant"></a>xmlXPathNextDescendant ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextDescendant (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1034 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1035Traversal function for the &quot;descendant&quot; direction
1036the descendant axis contains the descendants of the context node in document
1037order; a descendant is a child or a child of a child and so on.</p><p>
1038
1039</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1040</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1041</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1042</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextDescendantOrSelf"></a>xmlXPathNextDescendantOrSelf ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextDescendantOrSelf (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1043 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1044Traversal function for the &quot;descendant-or-self&quot; direction
1045the descendant-or-self axis contains the context node and the descendants
1046of the context node in document order; thus the context node is the first
1047node on the axis, and the first child of the context node is the second node
1048on the axis</p><p>
1049
1050</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1051</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1052</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1053</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextParent"></a>xmlXPathNextParent ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextParent (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1054 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1055Traversal function for the &quot;parent&quot; direction
1056The parent axis contains the parent of the context node, if there is one.</p><p>
1057
1058</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1059</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1060</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1061</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextAncestorOrSelf"></a>xmlXPathNextAncestorOrSelf ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextAncestorOrSelf (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1062 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1063Traversal function for the &quot;ancestor-or-self&quot; direction
1064he ancestor-or-self axis contains the context node and ancestors of
1065the context node in reverse document order; thus the context node is
1066the first node on the axis, and the context node's parent the second;
1067parent here is defined the same as with the parent axis.</p><p>
1068
1069</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1070</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1071</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1072</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextFollowingSibling"></a>xmlXPathNextFollowingSibling ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextFollowingSibling (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1073 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1074Traversal function for the &quot;following-sibling&quot; direction
1075The following-sibling axis contains the following siblings of the context
1076node in document order.</p><p>
1077
1078</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1079</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1080</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1081</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextFollowing"></a>xmlXPathNextFollowing ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextFollowing (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1082 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1083Traversal function for the &quot;following&quot; direction
1084The following axis contains all nodes in the same document as the context
1085node that are after the context node in document order, excluding any
1086descendants and excluding attribute nodes and namespace nodes; the nodes
1087are ordered in document order</p><p>
1088
1089</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1090</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1091</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1092</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextNamespace"></a>xmlXPathNextNamespace ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextNamespace (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1093 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1094Traversal function for the &quot;namespace&quot; direction
1095the namespace axis contains the namespace nodes of the context node;
1096the order of nodes on this axis is implementation-defined; the axis will
1097be empty unless the context node is an element
1098</p><p>
1099We keep the XML namespace node at the end of the list.</p><p>
1100
1101</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1102</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current attribute in the traversal
1103</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1104</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextAttribute"></a>xmlXPathNextAttribute ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextAttribute (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1105 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1106Traversal function for the &quot;attribute&quot; direction
1107TODO: support DTD inherited default attributes</p><p>
1108
1109</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1110</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current attribute in the traversal
1111</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1112</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextPreceding"></a>xmlXPathNextPreceding ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextPreceding (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1113 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1114Traversal function for the &quot;preceding&quot; direction
1115the preceding axis contains all nodes in the same document as the context
1116node that are before the context node in document order, excluding any
1117ancestors and excluding attribute nodes and namespace nodes; the nodes are
1118ordered in reverse document order</p><p>
1119
1120</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1121</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1122</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1123</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextAncestor"></a>xmlXPathNextAncestor ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextAncestor (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1124 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1125Traversal function for the &quot;ancestor&quot; direction
1126the ancestor axis contains the ancestors of the context node; the ancestors
1127of the context node consist of the parent of context node and the parent's
1128parent and so on; the nodes are ordered in reverse document order; thus the
1129parent is the first node on the axis, and the parent's parent is the second
1130node on the axis</p><p>
1131
1132</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1133</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1134</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1135</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNextPrecedingSibling"></a>xmlXPathNextPrecedingSibling ()</h3><pre class="programlisting"><a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> xmlXPathNextPrecedingSibling (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1136 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> cur);</pre><p>
1137Traversal function for the &quot;preceding-sibling&quot; direction
1138The preceding-sibling axis contains the preceding siblings of the context
1139node in reverse document order; the first preceding sibling is first on the
1140axis; the sibling preceding that node is the second on the axis and so on.</p><p>
1141
1142</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1143</td></tr><tr><td><span class="term"><i><tt>cur</tt></i> :</span></td><td> the current node in the traversal
1144</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the next element following that axis
1145</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathLastFunction"></a>xmlXPathLastFunction ()</h3><pre class="programlisting">void xmlXPathLastFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1146 int nargs);</pre><p>
1147Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="last">last</GTKDOCLINK>() XPath function
1148 number <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="last">last</GTKDOCLINK>()
1149The last function returns the number of nodes in the context node list.</p><p>
1150
1151</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1152</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1153</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathPositionFunction"></a>xmlXPathPositionFunction ()</h3><pre class="programlisting">void xmlXPathPositionFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1154 int nargs);</pre><p>
1155Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="position">position</GTKDOCLINK>() XPath function
1156 number <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="position">position</GTKDOCLINK>()
1157The position function returns the position of the context node in the
1158context node list. The first position is 1, and so the last position
1159will be equal to <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="last">last</GTKDOCLINK>().</p><p>
1160
1161</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1162</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1163</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathCountFunction"></a>xmlXPathCountFunction ()</h3><pre class="programlisting">void xmlXPathCountFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1164 int nargs);</pre><p>
1165Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="count">count</GTKDOCLINK>() XPath function
1166 number count(node-set)</p><p>
1167
1168</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1169</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1170</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathIdFunction"></a>xmlXPathIdFunction ()</h3><pre class="programlisting">void xmlXPathIdFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1171 int nargs);</pre><p>
1172Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="id">id</GTKDOCLINK>() XPath function
1173 node-set id(object)
1174The id function selects elements by their unique ID
1175(see [5.2.1 Unique IDs]). When the argument to id is of type node-set,
1176then the result is the union of the result of applying id to the
1177string value of each of the nodes in the argument node-set. When the
1178argument to id is of any other type, the argument is converted to a
1179string as if by a call to the string function; the string is split
1180into a whitespace-separated list of tokens (whitespace is any sequence
1181of characters matching the production S); the result is a node-set
1182containing the elements in the same document as the context node that
1183have a unique ID equal to any of the tokens in the list.</p><p>
1184
1185</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1186</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1187</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathLocalNameFunction"></a>xmlXPathLocalNameFunction ()</h3><pre class="programlisting">void xmlXPathLocalNameFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1188 int nargs);</pre><p>
1189Implement the local-<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="name">name</GTKDOCLINK>() XPath function
1190 string local-name(node-set?)
1191The local-name function returns a string containing the local part
1192of the name of the node in the argument node-set that is first in
1193document order. If the node-set is empty or the first node has no
1194name, an empty string is returned. If the argument is omitted it
1195defaults to the context node.</p><p>
1196
1197</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1198</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1199</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNamespaceURIFunction"></a>xmlXPathNamespaceURIFunction ()</h3><pre class="programlisting">void xmlXPathNamespaceURIFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1200 int nargs);</pre><p>
1201Implement the namespace-<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="uri">uri</GTKDOCLINK>() XPath function
1202 string namespace-uri(node-set?)
1203The namespace-uri function returns a string containing the
1204namespace URI of the expanded name of the node in the argument
1205node-set that is first in document order. If the node-set is empty,
1206the first node has no name, or the expanded name has no namespace
1207URI, an empty string is returned. If the argument is omitted it
1208defaults to the context node.</p><p>
1209
1210</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1211</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1212</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathStringFunction"></a>xmlXPathStringFunction ()</h3><pre class="programlisting">void xmlXPathStringFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1213 int nargs);</pre><p>
1214Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="string">string</GTKDOCLINK>() XPath function
1215 string string(object?)
1216he string function converts an object to a string as follows:
1217 - A node-set is converted to a string by returning the value of
1218 the node in the node-set that is first in document order.
1219 If the node-set is empty, an empty string is returned.
1220 - A number is converted to a string as follows
1221 + NaN is converted to the string NaN
1222 + positive zero is converted to the string 0
1223 + negative zero is converted to the string 0
1224 + positive infinity is converted to the string Infinity
1225 + negative infinity is converted to the string -Infinity
1226 + if the number is an integer, the number is represented in
1227 decimal form as a Number with no decimal point and no leading
1228 zeros, preceded by a minus sign (-) if the number is negative
1229 + otherwise, the number is represented in decimal form as a
1230 Number including a decimal point with at least one digit
1231 before the decimal point and at least one digit after the
1232 decimal point, preceded by a minus sign (-) if the number
1233 is negative; there must be no leading zeros before the decimal
1234 point apart possibly from the one required digit immediately
1235 before the decimal point; beyond the one required digit
1236 after the decimal point there must be as many, but only as
1237 many, more digits as are needed to uniquely distinguish the
1238 number from all other IEEE 754 numeric values.
1239 - The boolean false value is converted to the string false.
1240 The boolean true value is converted to the string true.
1241</p><p>
1242If the argument is omitted, it defaults to a node-set with the
1243context node as its only member.</p><p>
1244
1245</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1246</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1247</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathStringLengthFunction"></a>xmlXPathStringLengthFunction ()</h3><pre class="programlisting">void xmlXPathStringLengthFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1248 int nargs);</pre><p>
1249Implement the string-<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="length">length</GTKDOCLINK>() XPath function
1250 number string-length(string?)
1251The string-length returns the number of characters in the string
1252(see [3.6 Strings]). If the argument is omitted, it defaults to
1253the context node converted to a string, in other words the value
1254of the context node.</p><p>
1255
1256</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1257</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1258</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathConcatFunction"></a>xmlXPathConcatFunction ()</h3><pre class="programlisting">void xmlXPathConcatFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1259 int nargs);</pre><p>
1260Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="concat">concat</GTKDOCLINK>() XPath function
1261 string concat(string, string, string*)
1262The concat function returns the concatenation of its arguments.</p><p>
1263
1264</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1265</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1266</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathContainsFunction"></a>xmlXPathContainsFunction ()</h3><pre class="programlisting">void xmlXPathContainsFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1267 int nargs);</pre><p>
1268Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="contains">contains</GTKDOCLINK>() XPath function
1269 boolean contains(string, string)
1270The contains function returns true if the first argument string
1271contains the second argument string, and otherwise returns false.</p><p>
1272
1273</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1274</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1275</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathStartsWithFunction"></a>xmlXPathStartsWithFunction ()</h3><pre class="programlisting">void xmlXPathStartsWithFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1276 int nargs);</pre><p>
1277Implement the starts-<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="with">with</GTKDOCLINK>() XPath function
1278 boolean starts-with(string, string)
1279The starts-with function returns true if the first argument string
1280starts with the second argument string, and otherwise returns false.</p><p>
1281
1282</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1283</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1284</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathSubstringFunction"></a>xmlXPathSubstringFunction ()</h3><pre class="programlisting">void xmlXPathSubstringFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1285 int nargs);</pre><p>
1286Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="substring">substring</GTKDOCLINK>() XPath function
1287 string substring(string, number, number?)
1288The substring function returns the substring of the first argument
1289starting at the position specified in the second argument with
1290length specified in the third argument. For example,
1291substring(&quot;12345&quot;,2,3) returns &quot;234&quot;. If the third argument is not
1292specified, it returns the substring starting at the position specified
1293in the second argument and continuing to the end of the string. For
1294example, substring(&quot;12345&quot;,2) returns &quot;2345&quot;. More precisely, each
1295character in the string (see [3.6 Strings]) is considered to have a
1296numeric position: the position of the first character is 1, the position
1297of the second character is 2 and so on. The returned substring contains
1298those characters for which the position of the character is greater than
1299or equal to the second argument and, if the third argument is specified,
1300less than the sum of the second and third arguments; the comparisons
1301and addition used for the above follow the standard IEEE 754 rules. Thus:
1302 - substring(&quot;12345&quot;, 1.5, 2.6) returns &quot;234&quot;
1303 - substring(&quot;12345&quot;, 0, 3) returns &quot;12&quot;
1304 - substring(&quot;12345&quot;, 0 div 0, 3) returns &quot;&quot;
1305 - substring(&quot;12345&quot;, 1, 0 div 0) returns &quot;&quot;
1306 - substring(&quot;12345&quot;, -42, 1 div 0) returns &quot;12345&quot;
1307 - substring(&quot;12345&quot;, -1 div 0, 1 div 0) returns &quot;&quot;</p><p>
1308
1309</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1310</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1311</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathSubstringBeforeFunction"></a>xmlXPathSubstringBeforeFunction ()</h3><pre class="programlisting">void xmlXPathSubstringBeforeFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1312 int nargs);</pre><p>
1313Implement the substring-<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="before">before</GTKDOCLINK>() XPath function
1314 string substring-before(string, string)
1315The substring-before function returns the substring of the first
1316argument string that precedes the first occurrence of the second
1317argument string in the first argument string, or the empty string
1318if the first argument string does not contain the second argument
1319string. For example, substring-before(&quot;1999/04/01&quot;,&quot;/&quot;) returns 1999.</p><p>
1320
1321</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1322</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1323</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathSubstringAfterFunction"></a>xmlXPathSubstringAfterFunction ()</h3><pre class="programlisting">void xmlXPathSubstringAfterFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1324 int nargs);</pre><p>
1325Implement the substring-<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="after">after</GTKDOCLINK>() XPath function
1326 string substring-after(string, string)
1327The substring-after function returns the substring of the first
1328argument string that follows the first occurrence of the second
1329argument string in the first argument string, or the empty stringi
1330if the first argument string does not contain the second argument
1331string. For example, substring-after(&quot;1999/04/01&quot;,&quot;/&quot;) returns 04/01,
1332and substring-after(&quot;1999/04/01&quot;,&quot;19&quot;) returns 99/04/01.</p><p>
1333
1334</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1335</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1336</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNormalizeFunction"></a>xmlXPathNormalizeFunction ()</h3><pre class="programlisting">void xmlXPathNormalizeFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1337 int nargs);</pre><p>
1338Implement the normalize-<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="space">space</GTKDOCLINK>() XPath function
1339 string normalize-space(string?)
1340The normalize-space function returns the argument string with white
1341space normalized by stripping leading and trailing whitespace
1342and replacing sequences of whitespace characters by a single
1343space. Whitespace characters are the same allowed by the S production
1344in XML. If the argument is omitted, it defaults to the context
1345node converted to a string, in other words the value of the context node.</p><p>
1346
1347</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1348</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1349</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathTranslateFunction"></a>xmlXPathTranslateFunction ()</h3><pre class="programlisting">void xmlXPathTranslateFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1350 int nargs);</pre><p>
1351Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="translate">translate</GTKDOCLINK>() XPath function
1352 string translate(string, string, string)
1353The translate function returns the first argument string with
1354occurrences of characters in the second argument string replaced
1355by the character at the corresponding position in the third argument
1356string. For example, translate(&quot;bar&quot;,&quot;abc&quot;,&quot;ABC&quot;) returns the string
1357BAr. If there is a character in the second argument string with no
1358character at a corresponding position in the third argument string
1359(because the second argument string is longer than the third argument
1360string), then occurrences of that character in the first argument
1361string are removed. For example, translate(&quot;--aaa--&quot;,&quot;abc-&quot;,&quot;ABC&quot;)</p><p>
1362
1363</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1364</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1365</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNotFunction"></a>xmlXPathNotFunction ()</h3><pre class="programlisting">void xmlXPathNotFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1366 int nargs);</pre><p>
1367Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="not">not</GTKDOCLINK>() XPath function
1368 boolean not(boolean)
1369The not function returns true if its argument is false,
1370and false otherwise.</p><p>
1371
1372</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1373</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1374</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathTrueFunction"></a>xmlXPathTrueFunction ()</h3><pre class="programlisting">void xmlXPathTrueFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1375 int nargs);</pre><p>
1376Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="true">true</GTKDOCLINK>() XPath function
1377 boolean <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="true">true</GTKDOCLINK>()</p><p>
1378
1379</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1380</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1381</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathFalseFunction"></a>xmlXPathFalseFunction ()</h3><pre class="programlisting">void xmlXPathFalseFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1382 int nargs);</pre><p>
1383Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="false">false</GTKDOCLINK>() XPath function
1384 boolean <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="false">false</GTKDOCLINK>()</p><p>
1385
1386</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1387</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1388</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathLangFunction"></a>xmlXPathLangFunction ()</h3><pre class="programlisting">void xmlXPathLangFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1389 int nargs);</pre><p>
1390Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="lang">lang</GTKDOCLINK>() XPath function
1391 boolean lang(string)
1392The lang function returns true or false depending on whether the
1393language of the context node as specified by xml:lang attributes
1394is the same as or is a sublanguage of the language specified by
1395the argument string. The language of the context node is determined
1396by the value of the xml:lang attribute on the context node, or, if
1397the context node has no xml:lang attribute, by the value of the
1398xml:lang attribute on the nearest ancestor of the context node that
1399has an xml:lang attribute. If there is no such attribute, then lang</p><p>
1400
1401</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1402</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1403</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNumberFunction"></a>xmlXPathNumberFunction ()</h3><pre class="programlisting">void xmlXPathNumberFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1404 int nargs);</pre><p>
1405Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="number">number</GTKDOCLINK>() XPath function
1406 number number(object?)</p><p>
1407
1408</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1409</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1410</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathSumFunction"></a>xmlXPathSumFunction ()</h3><pre class="programlisting">void xmlXPathSumFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1411 int nargs);</pre><p>
1412Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="sum">sum</GTKDOCLINK>() XPath function
1413 number sum(node-set)
1414The sum function returns the sum of the values of the nodes in
1415the argument node-set.</p><p>
1416
1417</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1418</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1419</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathFloorFunction"></a>xmlXPathFloorFunction ()</h3><pre class="programlisting">void xmlXPathFloorFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1420 int nargs);</pre><p>
1421Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="floor">floor</GTKDOCLINK>() XPath function
1422 number floor(number)
1423The floor function returns the largest (closest to positive infinity)
1424number that is not greater than the argument and that is an integer.</p><p>
1425
1426</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1427</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1428</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathCeilingFunction"></a>xmlXPathCeilingFunction ()</h3><pre class="programlisting">void xmlXPathCeilingFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1429 int nargs);</pre><p>
1430Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="ceiling">ceiling</GTKDOCLINK>() XPath function
1431 number ceiling(number)
1432The ceiling function returns the smallest (closest to negative infinity)
1433number that is not less than the argument and that is an integer.</p><p>
1434
1435</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1436</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1437</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathRoundFunction"></a>xmlXPathRoundFunction ()</h3><pre class="programlisting">void xmlXPathRoundFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1438 int nargs);</pre><p>
1439Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="round">round</GTKDOCLINK>() XPath function
1440 number round(number)
1441The round function returns the number that is closest to the
1442argument and that is an integer. If there are two such numbers,
1443then the one that is even is returned.</p><p>
1444
1445</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1446</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1447</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathBooleanFunction"></a>xmlXPathBooleanFunction ()</h3><pre class="programlisting">void xmlXPathBooleanFunction (<a href="libxml-xpath.html#xmlXPathParserContextPtr">xmlXPathParserContextPtr</a> ctxt,
1448 int nargs);</pre><p>
1449Implement the <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="boolean">boolean</GTKDOCLINK>() XPath function
1450 boolean boolean(object)
1451he boolean function converts its argument to a boolean as follows:
1452 - a number is true if and only if it is neither positive or
1453 negative zero nor NaN
1454 - a node-set is true if and only if it is non-empty
1455 - a string is true if and only if its length is non-zero</p><p>
1456
1457</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td> the XPath Parser context
1458</td></tr><tr><td><span class="term"><i><tt>nargs</tt></i> :</span></td><td> the number of arguments
1459</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlXPathNodeSetFreeNs"></a>xmlXPathNodeSetFreeNs ()</h3><pre class="programlisting">void xmlXPathNodeSetFreeNs (<a href="libxml-tree.html#xmlNsPtr">xmlNsPtr</a> ns);</pre><p>
1460Namespace node in libxml don't match the XPath semantic. In a node set
1461the namespace nodes are duplicated and the next pointer is set to the
1462parent node in the XPath semantic. Check if such a node need to be freed</p><p>
1463
1464</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ns</tt></i> :</span></td><td> the XPath namespace node found in a nodeset.
1465</td></tr></tbody></table></div></div></div></div><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libxml-xpath.html"><b>&lt;&lt; xpath</b></a></td><td align="right"><a accesskey="n" href="libxml-xpointer.html"><b>xpointer &gt;&gt;</b></a></td></tr></table></body></html>