# The XSLT C library for Gnome ## Module templates from libxslt

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This set of routine encapsulates XPath calls and Attribute Value Templates evaluation. ## Table of Contents
    xmlAttrPtr	xsltAttrListTemplateProcess	(xsltTransformContextPtr ctxt,
    						 xmlNodePtr target,
    						 xmlAttrPtr cur)
    xmlAttrPtr	xsltAttrTemplateProcess	(xsltTransformContextPtr ctxt,
    					 xmlNodePtr target,
    					 xmlAttrPtr cur)
    xmlChar *	xsltAttrTemplateValueProcess	(xsltTransformContextPtr ctxt,
    						 const xmlChar * str)
    xmlChar *	xsltAttrTemplateValueProcessNode	(xsltTransformContextPtr ctxt,
    							 const xmlChar * str,
    							 xmlNodePtr node)
    xmlChar *	xsltEvalAttrValueTemplate	(xsltTransformContextPtr ctxt,
    						 xmlNodePtr node,
    						 const xmlChar * name,
    						 const xmlChar * ns)
    const xmlChar *	xsltEvalStaticAttrValueTemplate	(xsltStylesheetPtr style,
    						 xmlNodePtr node,
    						 const xmlChar * name,
    						 const xmlChar * ns,
    						 int * found)
    xmlChar *	xsltEvalTemplateString	(xsltTransformContextPtr ctxt,
    					 xmlNodePtr node,
    					 xmlNodePtr parent)
    int	xsltEvalXPathPredicate		(xsltTransformContextPtr ctxt,
    					 xmlXPathCompExprPtr comp,
    					 xmlNsPtr * nsList,
    					 int nsNr)
    xmlChar *	xsltEvalXPathString	(xsltTransformContextPtr ctxt,
    					 xmlXPathCompExprPtr comp)
    xmlChar *	xsltEvalXPathStringNs	(xsltTransformContextPtr ctxt,
    					 xmlXPathCompExprPtr comp,
    					 int nsNr,
    					 xmlNsPtr * nsList)
    xmlNodePtr *	xsltTemplateProcess	(xsltTransformContextPtr ctxt,
    					 xmlNodePtr node)
## Description ### Function: xsltAttrListTemplateProcess
    xmlAttrPtr	xsltAttrListTemplateProcess	(xsltTransformContextPtr ctxt,
    						 xmlNodePtr target,
    						 xmlAttrPtr cur)
Do a copy of an attribute list with attribute template processing
`ctxt`: | the XSLT transformation context
`target`: | the element where the attributes will be grafted
`cur`: | the first attribute
`Returns`: | a new xmlAttrPtr, or NULL in case of error.
### Function: xsltAttrTemplateProcess
    xmlAttrPtr	xsltAttrTemplateProcess	(xsltTransformContextPtr ctxt,
    					 xmlNodePtr target,
    					 xmlAttrPtr cur)
Process the given attribute and return the new processed copy.
`ctxt`: | the XSLT transformation context
`target`: | the result node
`cur`: | the attribute template node
`Returns`: | the attribute replacement.
### Function: xsltAttrTemplateValueProcess
    xmlChar *	xsltAttrTemplateValueProcess	(xsltTransformContextPtr ctxt,
    						 const xmlChar * str)
Process the given node and return the new string value.
`ctxt`: | the XSLT transformation context
`str`: | the attribute template node value
`Returns`: | the computed string value or NULL, must be deallocated by the caller.
### Function: xsltAttrTemplateValueProcessNode
    xmlChar *	xsltAttrTemplateValueProcessNode	(xsltTransformContextPtr ctxt,
    							 const xmlChar * str,
    							 xmlNodePtr node)
Process the given string, allowing to pass a namespace mapping context and return the new string value.
`ctxt`: | the XSLT transformation context
`str`: | the attribute template node value
`node`: | the node hosting the attribute
`Returns`: | the computed string value or NULL, must be deallocated by the caller.
### Function: xsltEvalAttrValueTemplate
    xmlChar *	xsltEvalAttrValueTemplate	(xsltTransformContextPtr ctxt,
    						 xmlNodePtr node,
    						 const xmlChar * name,
    						 const xmlChar * ns)
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.
`ctxt`: | the XSLT transformation context
`node`: | the stylesheet node
`name`: | the attribute QName
`ns`: | the attribute namespace URI
`Returns`: | the computed string value or NULL, must be deallocated by the caller.
### Function: xsltEvalStaticAttrValueTemplate
    const xmlChar *	xsltEvalStaticAttrValueTemplate	(xsltStylesheetPtr style,
    						 xmlNodePtr node,
    						 const xmlChar * name,
    						 const xmlChar * ns,
    						 int * found)
Check if an attribute value template has a static value, i.e. the attribute value does not contain expressions contained in curly braces ({})
`style`: | the XSLT stylesheet
`node`: | the stylesheet node
`name`: | the attribute Name
`ns`: | the attribute namespace URI
`found`: | indicator whether the attribute is present
`Returns`: | the static string value or NULL, must be deallocated by the caller.
### Function: xsltEvalTemplateString
    xmlChar *	xsltEvalTemplateString	(xsltTransformContextPtr ctxt,
    					 xmlNodePtr node,
    					 xmlNodePtr parent)
Evaluate a template string value, i.e. the parent list is interpreter as template content and the resulting tree string value is returned This is needed for example by xsl:comment and xsl:processing-instruction
`ctxt`: | the XSLT transformation context
`node`: | the stylesheet node
`parent`: | the content parent
`Returns`: | the computed string value or NULL, must be deallocated by the caller.
### Function: xsltEvalXPathPredicate
    int	xsltEvalXPathPredicate		(xsltTransformContextPtr ctxt,
    					 xmlXPathCompExprPtr comp,
    					 xmlNsPtr * nsList,
    					 int nsNr)
Process the expression using XPath and evaluate the result as an XPath predicate
`ctxt`: | the XSLT transformation context
`comp`: | the XPath compiled expression
`nsList`: | the namespaces in scope
`nsNr`: | the number of namespaces in scope
`Returns`: | 1 is the predicate was true, 0 otherwise
### Function: xsltEvalXPathString
    xmlChar *	xsltEvalXPathString	(xsltTransformContextPtr ctxt,
    					 xmlXPathCompExprPtr comp)
Process the expression using XPath and get a string
`ctxt`: | the XSLT transformation context
`comp`: | the compiled XPath expression
`Returns`: | the computed string value or NULL, must be deallocated by the caller.
### Function: xsltEvalXPathStringNs
    xmlChar *	xsltEvalXPathStringNs	(xsltTransformContextPtr ctxt,
    					 xmlXPathCompExprPtr comp,
    					 int nsNr,
    					 xmlNsPtr * nsList)
Process the expression using XPath, allowing to pass a namespace mapping context and get a string
`ctxt`: | the XSLT transformation context
`comp`: | the compiled XPath expression
`nsNr`: | the number of namespaces in the list
`nsList`: | the list of in-scope namespaces to use
`Returns`: | the computed string value or NULL, must be deallocated by the caller.
### Function: xsltTemplateProcess
    xmlNodePtr *	xsltTemplateProcess	(xsltTransformContextPtr ctxt,
    					 xmlNodePtr node)
Process the given node and return the new string value.
`ctxt`: | the XSLT transformation context
`node`: | the attribute template node
`Returns`: | the computed tree replacement
Daniel Veillard