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Edit File: libxslt-templates.html
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" /><style type="text/css"> TD {font-family: Verdana,Arial,Helvetica} BODY {font-family: Verdana,Arial,Helvetica; margin-top: 2em; margin-left: 0em; margin-right: 0em} H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } </style><title>Module templates from libxslt</title></head><body bgcolor="#8b7765" text="#000000" link="#a06060" vlink="#000000"><table border="0" width="100%" cellpadding="5" cellspacing="0" align="center"><tr><td width="120"><a href="http://swpat.ffii.org/"><img src="../epatents.png" alt="Action against software patents" /></a></td><td width="180"><a 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href="libxslt-security.html">security</a></th><td><a accesskey="u" href="index.html"><img src="up.png" width="24" height="24" border="0" alt="Up" /></a></td><th align="left"><a href="index.html">API documentation</a></th><td><a accesskey="h" href="../index.html"><img src="home.png" width="24" height="24" border="0" alt="Home" /></a></td><th align="center"><a href="../index.html">Home</a></th><th align="right"><a href="libxslt-transform.html">transform</a></th><td><a accesskey="n" href="libxslt-transform.html"><img src="right.png" width="24" height="24" border="0" alt="Next" /></a></td></tr></table><p>This set of routine encapsulates XPath calls and Attribute Value Templates evaluation. </p><h2>Table of Contents</h2><pre class="programlisting">xmlAttrPtr <a href="#xsltAttrListTemplateProcess">xsltAttrListTemplateProcess</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr target, <br /> xmlAttrPtr attrs)</pre> <pre class="programlisting">xmlAttrPtr <a href="#xsltAttrTemplateProcess">xsltAttrTemplateProcess</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr target, <br /> xmlAttrPtr attr)</pre> <pre class="programlisting">xmlChar * <a href="#xsltAttrTemplateValueProcess">xsltAttrTemplateValueProcess</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> const xmlChar * str)</pre> <pre class="programlisting">xmlChar * <a href="#xsltAttrTemplateValueProcessNode">xsltAttrTemplateValueProcessNode</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> const xmlChar * str, <br /> xmlNodePtr inst)</pre> <pre class="programlisting">xmlChar * <a href="#xsltEvalAttrValueTemplate">xsltEvalAttrValueTemplate</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr inst, <br /> const xmlChar * name, <br /> const xmlChar * ns)</pre> <pre class="programlisting">const xmlChar * <a href="#xsltEvalStaticAttrValueTemplate">xsltEvalStaticAttrValueTemplate</a> (<a href="libxslt-xsltInternals.html#xsltStylesheetPtr">xsltStylesheetPtr</a> style, <br /> xmlNodePtr inst, <br /> const xmlChar * name, <br /> const xmlChar * ns, <br /> int * found)</pre> <pre class="programlisting">xmlChar * <a href="#xsltEvalTemplateString">xsltEvalTemplateString</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr contextNode, <br /> xmlNodePtr inst)</pre> <pre class="programlisting">int <a href="#xsltEvalXPathPredicate">xsltEvalXPathPredicate</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlXPathCompExprPtr comp, <br /> xmlNsPtr * nsList, <br /> int nsNr)</pre> <pre class="programlisting">xmlChar * <a href="#xsltEvalXPathString">xsltEvalXPathString</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlXPathCompExprPtr comp)</pre> <pre class="programlisting">xmlChar * <a href="#xsltEvalXPathStringNs">xsltEvalXPathStringNs</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlXPathCompExprPtr comp, <br /> int nsNr, <br /> xmlNsPtr * nsList)</pre> <pre class="programlisting">xmlNodePtr * <a href="#xsltTemplateProcess">xsltTemplateProcess</a> (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr node)</pre> <h2>Description</h2> <h3><a name="xsltAttrListTemplateProcess" id="xsltAttrListTemplateProcess"></a>Function: xsltAttrListTemplateProcess</h3><pre class="programlisting">xmlAttrPtr xsltAttrListTemplateProcess (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr target, <br /> xmlAttrPtr attrs)<br /> </pre><p>Processes all attributes of a Literal Result Element. Attribute references are applied via xsl:use-attribute-set attributes. Copies all non XSLT-attributes over to the @target element and evaluates Attribute Value Templates. Called by xsltApplySequenceConstructor() (transform.c).</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>target</tt></i>:</span></td><td>the element where the attributes will be grafted</td></tr><tr><td><span class="term"><i><tt>attrs</tt></i>:</span></td><td>the first attribute</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new list of attribute nodes, or NULL in case of error. (Don't assign the result to @target->properties; if the result is NULL, you'll get memory leaks, since the attributes will be disattached.)</td></tr></tbody></table></div><h3><a name="xsltAttrTemplateProcess" id="xsltAttrTemplateProcess"></a>Function: xsltAttrTemplateProcess</h3><pre class="programlisting">xmlAttrPtr xsltAttrTemplateProcess (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr target, <br /> xmlAttrPtr attr)<br /> </pre><p>Process one attribute of a Literal Result Element (in the stylesheet). Evaluates Attribute Value Templates and copies the attribute over to the result element. This does *not* process attribute sets (xsl:use-attribute-set).</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>target</tt></i>:</span></td><td>the element where the attribute will be grafted</td></tr><tr><td><span class="term"><i><tt>attr</tt></i>:</span></td><td>the attribute node of a literal result element</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the generated attribute node.</td></tr></tbody></table></div><h3><a name="xsltAttrTemplateValueProcess" id="xsltAttrTemplateValueProcess"></a>Function: xsltAttrTemplateValueProcess</h3><pre class="programlisting">xmlChar * xsltAttrTemplateValueProcess (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> const xmlChar * str)<br /> </pre><p>Process the given node and return the new string value.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the attribute template node value</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the computed string value or NULL, must be deallocated by the caller.</td></tr></tbody></table></div><h3><a name="xsltAttrTemplateValueProcessNode" id="xsltAttrTemplateValueProcessNode"></a>Function: xsltAttrTemplateValueProcessNode</h3><pre class="programlisting">xmlChar * xsltAttrTemplateValueProcessNode (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> const xmlChar * str, <br /> xmlNodePtr inst)<br /> </pre><p>Process the given string, allowing to pass a namespace mapping context and return the new string value. Called by: - xsltAttrTemplateValueProcess() (templates.c) - xsltEvalAttrValueTemplate() (templates.c) QUESTION: Why is this function public? It is not used outside of templates.c.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the attribute template node value</td></tr><tr><td><span class="term"><i><tt>inst</tt></i>:</span></td><td>the instruction (or LRE) in the stylesheet holding the attribute with an AVT</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the computed string value or NULL, must be deallocated by the caller.</td></tr></tbody></table></div><h3><a name="xsltEvalAttrValueTemplate" id="xsltEvalAttrValueTemplate"></a>Function: xsltEvalAttrValueTemplate</h3><pre class="programlisting">xmlChar * xsltEvalAttrValueTemplate (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr inst, <br /> const xmlChar * name, <br /> const xmlChar * ns)<br /> </pre><p>Evaluate a attribute value template, i.e. the attribute value can contain expressions contained in curly braces ({}) and those are substituted by they computed value.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>inst</tt></i>:</span></td><td>the instruction (or LRE) in the stylesheet holding the attribute with an AVT</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the attribute QName</td></tr><tr><td><span class="term"><i><tt>ns</tt></i>:</span></td><td>the attribute namespace URI</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the computed string value or NULL, must be deallocated by the caller.</td></tr></tbody></table></div><h3><a name="xsltEvalStaticAttrValueTemplate" id="xsltEvalStaticAttrValueTemplate"></a>Function: xsltEvalStaticAttrValueTemplate</h3><pre class="programlisting">const xmlChar * xsltEvalStaticAttrValueTemplate (<a href="libxslt-xsltInternals.html#xsltStylesheetPtr">xsltStylesheetPtr</a> style, <br /> xmlNodePtr inst, <br /> const xmlChar * name, <br /> const xmlChar * ns, <br /> int * found)<br /> </pre><p>Check if an attribute value template has a static value, i.e. the attribute value does not contain expressions contained in curly braces ({})</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>style</tt></i>:</span></td><td>the XSLT stylesheet</td></tr><tr><td><span class="term"><i><tt>inst</tt></i>:</span></td><td>the instruction (or LRE) in the stylesheet holding the attribute with an AVT</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the attribute Name</td></tr><tr><td><span class="term"><i><tt>ns</tt></i>:</span></td><td>the attribute namespace URI</td></tr><tr><td><span class="term"><i><tt>found</tt></i>:</span></td><td>indicator whether the attribute is present</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the static string value or NULL, must be deallocated by the caller.</td></tr></tbody></table></div><h3><a name="xsltEvalTemplateString" id="xsltEvalTemplateString"></a>Function: xsltEvalTemplateString</h3><pre class="programlisting">xmlChar * xsltEvalTemplateString (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr contextNode, <br /> xmlNodePtr inst)<br /> </pre><p>Processes the sequence constructor of the given instruction on @contextNode and converts the resulting tree to a string. This is needed by e.g. xsl:comment and xsl:processing-instruction.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>contextNode</tt></i>:</span></td><td>the current node in the source tree</td></tr><tr><td><span class="term"><i><tt>inst</tt></i>:</span></td><td>the XSLT instruction (xsl:comment, xsl:processing-instruction)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the computed string value or NULL; it's up to the caller to free the result.</td></tr></tbody></table></div><h3><a name="xsltEvalXPathPredicate" id="xsltEvalXPathPredicate"></a>Function: xsltEvalXPathPredicate</h3><pre class="programlisting">int xsltEvalXPathPredicate (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlXPathCompExprPtr comp, <br /> xmlNsPtr * nsList, <br /> int nsNr)<br /> </pre><p>Process the expression using XPath and evaluate the result as an XPath predicate</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>comp</tt></i>:</span></td><td>the XPath compiled expression</td></tr><tr><td><span class="term"><i><tt>nsList</tt></i>:</span></td><td>the namespaces in scope</td></tr><tr><td><span class="term"><i><tt>nsNr</tt></i>:</span></td><td>the number of namespaces in scope</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 is the predicate was true, 0 otherwise</td></tr></tbody></table></div><h3><a name="xsltEvalXPathString" id="xsltEvalXPathString"></a>Function: xsltEvalXPathString</h3><pre class="programlisting">xmlChar * xsltEvalXPathString (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlXPathCompExprPtr comp)<br /> </pre><p>Process the expression using XPath and get a string</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>comp</tt></i>:</span></td><td>the compiled XPath expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the computed string value or NULL, must be deallocated by the caller.</td></tr></tbody></table></div><h3><a name="xsltEvalXPathStringNs" id="xsltEvalXPathStringNs"></a>Function: xsltEvalXPathStringNs</h3><pre class="programlisting">xmlChar * xsltEvalXPathStringNs (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlXPathCompExprPtr comp, <br /> int nsNr, <br /> xmlNsPtr * nsList)<br /> </pre><p>Process the expression using XPath, allowing to pass a namespace mapping context and get a string</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>comp</tt></i>:</span></td><td>the compiled XPath expression</td></tr><tr><td><span class="term"><i><tt>nsNr</tt></i>:</span></td><td>the number of namespaces in the list</td></tr><tr><td><span class="term"><i><tt>nsList</tt></i>:</span></td><td>the list of in-scope namespaces to use</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the computed string value or NULL, must be deallocated by the caller.</td></tr></tbody></table></div><h3><a name="xsltTemplateProcess" id="xsltTemplateProcess"></a>Function: xsltTemplateProcess</h3><pre class="programlisting">xmlNodePtr * xsltTemplateProcess (<a href="libxslt-xsltInternals.html#xsltTransformContextPtr">xsltTransformContextPtr</a> ctxt, <br /> xmlNodePtr node)<br /> </pre><p>Obsolete. Don't use it.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the XSLT transformation context</td></tr><tr><td><span class="term"><i><tt>node</tt></i>:</span></td><td>the attribute template node</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>NULL.</td></tr></tbody></table></div><p><a href="../bugs.html">Daniel Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html>