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libxslt/doc/html/libxslt-variables.html
Daniel Veillard 051989b9ec upgraded to the XML/XSLT toolchain for the HTML generation fixing #111799
* doc/Makefile.am doc/libxslt.xml: upgraded to the XML/XSLT toolchain
  for the HTML generation fixing #111799
* doc/html/*.html doc/html/*.png: associated update
Daniel
2003-04-29 13:20:50 +00:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>variables</title><meta name="generator" content="DocBook XSL Stylesheets V1.58.1"><style xmlns="http://www.w3.org/TR/xhtml1/transitional" type="text/css">
.synopsis, .classsynopsis {
background: #eeeeee;
border: solid 1px #aaaaaa;
padding: 0.5em;
}
.programlisting {
background: #eeeeff;
border: solid 1px #aaaaff;
padding: 0.5em;
}
.variablelist {
padding: 4px;
margin-left: 3em;
}
.navigation {
background: #ffeeee;
border: solid 1px #ffaaaa;
margin-top: 0.5em;
margin-bottom: 0.5em;
}
.navigation a {
color: #770000;
}
.navigation a:visited {
color: #550000;
}
.navigation .title {
font-size: 200%;
}
</style><link rel="home" href="index.html" title="Gnome XSLT Library Reference Manual"><link rel="up" href="libxslt-lib.html" title="Libxslt Library Reference"><link rel="previous" href="libxslt-namespaces.html" title="namespaces"><link rel="next" href="libxslt-keys.html" title="keys"></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="libxslt-namespaces.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></img></a></td><td><a accesskey="u" href="libxslt-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 XSLT Library Reference Manual</th><td><a accesskey="n" href="libxslt-keys.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="libxslt-variables"></a><div class="titlepage"></div><div class="refnamediv"><h2>variables</h2><p>variables &#8212; </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
#define <a href="libxslt-variables.html#XSLT-REGISTER-VARIABLE-LOOKUP-CAPS">XSLT_REGISTER_VARIABLE_LOOKUP</a> (ctxt)
int <a href="libxslt-variables.html#xsltEvalGlobalVariables">xsltEvalGlobalVariables</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt);
int <a href="libxslt-variables.html#xsltEvalUserParams">xsltEvalUserParams</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const char **params);
int <a href="libxslt-variables.html#xsltQuoteUserParams">xsltQuoteUserParams</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const char **params);
int <a href="libxslt-variables.html#xsltEvalOneUserParam">xsltEvalOneUserParam</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *value);
int <a href="libxslt-variables.html#xsltQuoteOneUserParam">xsltQuoteOneUserParam</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *value);
void <a href="libxslt-variables.html#xsltParseGlobalVariable">xsltParseGlobalVariable</a> (<a href="libxslt-xsltInternals.html#xsltStylesheetPtr">xsltStylesheetPtr</a> style,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);
void <a href="libxslt-variables.html#xsltParseGlobalParam">xsltParseGlobalParam</a> (<a href="libxslt-xsltInternals.html#xsltStylesheetPtr">xsltStylesheetPtr</a> style,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);
void <a href="libxslt-variables.html#xsltParseStylesheetVariable">xsltParseStylesheetVariable</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);
void <a href="libxslt-variables.html#xsltParseStylesheetParam">xsltParseStylesheetParam</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);
<a href="libxslt-xsltInternals.html#xsltStackElemPtr">xsltStackElemPtr</a> <a href="libxslt-variables.html#xsltParseStylesheetCallerParam">xsltParseStylesheetCallerParam</a>
(<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);
int <a href="libxslt-variables.html#xsltAddStackElemList">xsltAddStackElemList</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<a href="libxslt-xsltInternals.html#xsltStackElemPtr">xsltStackElemPtr</a> elems);
void <a href="libxslt-variables.html#xsltFreeGlobalVariables">xsltFreeGlobalVariables</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt);
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlXPathObjectPtr">xmlXPathObjectPtr</GTKDOCLINK> <a href="libxslt-variables.html#xsltVariableLookup">xsltVariableLookup</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *ns_uri);
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlXPathObjectPtr">xmlXPathObjectPtr</GTKDOCLINK> <a href="libxslt-variables.html#xsltXPathVariableLookup">xsltXPathVariableLookup</a> (void *ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *ns_uri);
</pre></div><div class="refsect1" lang="en"><h2>Description</h2><p>
</p></div><div class="refsect1" lang="en"><h2>Details</h2><div class="refsect2" lang="en"><h3><a name="XSLT-REGISTER-VARIABLE-LOOKUP-CAPS"></a>XSLT_REGISTER_VARIABLE_LOOKUP()</h3><pre class="programlisting">#define XSLT_REGISTER_VARIABLE_LOOKUP(ctxt)</pre><p>
Registering macro, not general purpose at all but used in different modules.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td>
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltEvalGlobalVariables"></a>xsltEvalGlobalVariables ()</h3><pre class="programlisting">int xsltEvalGlobalVariables (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt);</pre><p>
Evaluate the global variables of a stylesheet. This need to be
done on parsed stylesheets before starting to apply transformations</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</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
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltEvalUserParams"></a>xsltEvalUserParams ()</h3><pre class="programlisting">int xsltEvalUserParams (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const char **params);</pre><p>
<i><tt>ctxt</tt></i>: the XSLT transformation context
<i><tt>params</tt></i>: a NULL terminated array of parameters name/value tuples
</p><p>
Evaluate the global variables of a stylesheet. This needs to be
done on parsed stylesheets before starting to apply transformations.
Each of the parameters is evaluated as an XPath expression and stored
in the global variables/parameter hash table. If you want your
parameter used literally, use xsltQuoteUserParams.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td>
</td></tr><tr><td><span class="term"><i><tt>params</tt></i><EFBFBD>:</span></td><td>
</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
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltQuoteUserParams"></a>xsltQuoteUserParams ()</h3><pre class="programlisting">int xsltQuoteUserParams (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const char **params);</pre><p>
<i><tt>ctxt</tt></i>: the XSLT transformation context
<i><tt>params</tt></i>: a NULL terminated arry of parameters names/values tuples
</p><p>
Similar to xsltEvalUserParams, but the values are treated literally and
are * *not* evaluated as XPath expressions. This should be done on parsed
stylesheets before starting to apply transformations.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td>
</td></tr><tr><td><span class="term"><i><tt>params</tt></i><EFBFBD>:</span></td><td>
</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.
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltEvalOneUserParam"></a>xsltEvalOneUserParam ()</h3><pre class="programlisting">int xsltEvalOneUserParam (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *value);</pre><p>
This is normally called from xsltEvalUserParams to process a single
parameter from a list of parameters. The <i><tt>value</tt></i> is evaluated as an
XPath expression and the result is stored in the context's global
variable/parameter hash table.
</p><p>
To have a parameter treated literally (not as an XPath expression)
use xsltQuoteUserParams (or xsltQuoteOneUserParam). For more
details see description of xsltProcessOneUserParamInternal.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</td></tr><tr><td><span class="term"><i><tt>name</tt></i><EFBFBD>:</span></td><td> a null terminated string giving the name of the parameter
</td></tr><tr><td><span class="term"><i><tt>value</tt></i><EFBFBD>:</span></td><td> a null terminated string giving the XPath expression to be evaluated
</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.
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltQuoteOneUserParam"></a>xsltQuoteOneUserParam ()</h3><pre class="programlisting">int xsltQuoteOneUserParam (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *value);</pre><p>
This is normally called from xsltQuoteUserParams to process a single
parameter from a list of parameters. The <i><tt>value</tt></i> is stored in the
context's global variable/parameter hash table.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</td></tr><tr><td><span class="term"><i><tt>name</tt></i><EFBFBD>:</span></td><td> a null terminated string giving the name of the parameter
</td></tr><tr><td><span class="term"><i><tt>value</tt></i><EFBFBD>:</span></td><td> a null terminated string giving the parameter value
</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.
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltParseGlobalVariable"></a>xsltParseGlobalVariable ()</h3><pre class="programlisting">void xsltParseGlobalVariable (<a href="libxslt-xsltInternals.html#xsltStylesheetPtr">xsltStylesheetPtr</a> style,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);</pre><p>
parse an XSLT transformation variable declaration and record
its value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>style</tt></i><EFBFBD>:</span></td><td> the XSLT stylesheet
</td></tr><tr><td><span class="term"><i><tt>cur</tt></i><EFBFBD>:</span></td><td> the &quot;variable&quot; element
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltParseGlobalParam"></a>xsltParseGlobalParam ()</h3><pre class="programlisting">void xsltParseGlobalParam (<a href="libxslt-xsltInternals.html#xsltStylesheetPtr">xsltStylesheetPtr</a> style,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);</pre><p>
parse an XSLT transformation param declaration and record
its value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>style</tt></i><EFBFBD>:</span></td><td> the XSLT stylesheet
</td></tr><tr><td><span class="term"><i><tt>cur</tt></i><EFBFBD>:</span></td><td> the &quot;param&quot; element
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltParseStylesheetVariable"></a>xsltParseStylesheetVariable ()</h3><pre class="programlisting">void xsltParseStylesheetVariable (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);</pre><p>
parse an XSLT transformation variable declaration and record
its value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</td></tr><tr><td><span class="term"><i><tt>cur</tt></i><EFBFBD>:</span></td><td> the &quot;variable&quot; element
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltParseStylesheetParam"></a>xsltParseStylesheetParam ()</h3><pre class="programlisting">void xsltParseStylesheetParam (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);</pre><p>
parse an XSLT transformation param declaration and record
its value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</td></tr><tr><td><span class="term"><i><tt>cur</tt></i><EFBFBD>:</span></td><td> the &quot;param&quot; element
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltParseStylesheetCallerParam"></a>xsltParseStylesheetCallerParam ()</h3><pre class="programlisting"><a href="libxslt-xsltInternals.html#xsltStackElemPtr">xsltStackElemPtr</a> xsltParseStylesheetCallerParam
(<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlNodePtr">xmlNodePtr</GTKDOCLINK> cur);</pre><p>
parse an XSLT transformation param declaration, compute
its value but doesn't record it.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</td></tr><tr><td><span class="term"><i><tt>cur</tt></i><EFBFBD>:</span></td><td> the &quot;param&quot; element
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the new xsltStackElemPtr or NULL
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltAddStackElemList"></a>xsltAddStackElemList ()</h3><pre class="programlisting">int xsltAddStackElemList (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
<a href="libxslt-xsltInternals.html#xsltStackElemPtr">xsltStackElemPtr</a> elems);</pre><p>
add the new element list at this level of the stack.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> xn XSLT transformation context
</td></tr><tr><td><span class="term"><i><tt>elems</tt></i><EFBFBD>:</span></td><td> a stack element list
</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 failure.
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltFreeGlobalVariables"></a>xsltFreeGlobalVariables ()</h3><pre class="programlisting">void xsltFreeGlobalVariables (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt);</pre><p>
Free up the data associated to the global variables
its value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltVariableLookup"></a>xsltVariableLookup ()</h3><pre class="programlisting"><GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlXPathObjectPtr">xmlXPathObjectPtr</GTKDOCLINK> xsltVariableLookup (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *ns_uri);</pre><p>
Search in the Variable array of the context for the given
variable value.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> the XSLT transformation context
</td></tr><tr><td><span class="term"><i><tt>name</tt></i><EFBFBD>:</span></td><td> the variable name
</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i><EFBFBD>:</span></td><td> the variable namespace URI
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the value or NULL if not found
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xsltXPathVariableLookup"></a>xsltXPathVariableLookup ()</h3><pre class="programlisting"><GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlXPathObjectPtr">xmlXPathObjectPtr</GTKDOCLINK> xsltXPathVariableLookup (void *ctxt,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *name,
const <GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlChar">xmlChar</GTKDOCLINK> *ns_uri);</pre><p>
This is the entry point when a varibale is needed by the XPath
interpretor.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i><EFBFBD>:</span></td><td> a void * but the the XSLT transformation context actually
</td></tr><tr><td><span class="term"><i><tt>name</tt></i><EFBFBD>:</span></td><td> the variable name
</td></tr><tr><td><span class="term"><i><tt>ns_uri</tt></i><EFBFBD>:</span></td><td> the variable namespace URI
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the value or NULL if not found
</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="libxslt-namespaces.html"><b>&lt;&lt;<EFBFBD>namespaces</b></a></td><td align="right"><a accesskey="n" href="libxslt-keys.html"><b>keys<EFBFBD>&gt;&gt;</b></a></td></tr></table></body></html>