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/*
* Summary: interface for the extension support
* Description: This provide the API needed for simple and module
* extension support.
*
* Copy: See Copyright for the status of this software.
*
* Author: Daniel Veillard
*/
#ifndef __XML_XSLT_EXTENSION_H__
#define __XML_XSLT_EXTENSION_H__
#include <libxml/xpath.h>
#include "xsltexports.h"
#include "xsltInternals.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Extension Modules API.
*/
/**
* xsltInitGlobals:
*
* Initialize the global variables for extensions
*
*/
XSLTPUBFUN void XSLTCALL
xsltInitGlobals (void);
/**
* xsltStyleExtInitFunction:
* @ctxt: an XSLT stylesheet
* @URI: the namespace URI for the extension
*
* A function called at initialization time of an XSLT extension module.
*
* Returns a pointer to the module specific data for this transformation.
*/
typedef void * (*xsltStyleExtInitFunction) (xsltStylesheetPtr style,
const xmlChar *URI);
/**
* xsltStyleExtShutdownFunction:
* @ctxt: an XSLT stylesheet
* @URI: the namespace URI for the extension
* @data: the data associated to this module
*
* A function called at shutdown time of an XSLT extension module.
*/
typedef void (*xsltStyleExtShutdownFunction) (xsltStylesheetPtr style,
const xmlChar *URI,
void *data);
/**
* xsltExtInitFunction:
* @ctxt: an XSLT transformation context
* @URI: the namespace URI for the extension
*
* A function called at initialization time of an XSLT extension module.
*
* Returns a pointer to the module specific data for this transformation.
*/
typedef void * (*xsltExtInitFunction) (xsltTransformContextPtr ctxt,
const xmlChar *URI);
/**
* xsltExtShutdownFunction:
* @ctxt: an XSLT transformation context
* @URI: the namespace URI for the extension
* @data: the data associated to this module
*
* A function called at shutdown time of an XSLT extension module.
*/
typedef void (*xsltExtShutdownFunction) (xsltTransformContextPtr ctxt,
const xmlChar *URI,
void *data);
XSLTPUBFUN int XSLTCALL
xsltRegisterExtModule (const xmlChar *URI,
xsltExtInitFunction initFunc,
xsltExtShutdownFunction shutdownFunc);
XSLTPUBFUN int XSLTCALL
xsltRegisterExtModuleFull
(const xmlChar * URI,
xsltExtInitFunction initFunc,
xsltExtShutdownFunction shutdownFunc,
xsltStyleExtInitFunction styleInitFunc,
xsltStyleExtShutdownFunction styleShutdownFunc);
XSLTPUBFUN int XSLTCALL
xsltUnregisterExtModule (const xmlChar * URI);
XSLTPUBFUN void * XSLTCALL
xsltGetExtData (xsltTransformContextPtr ctxt,
const xmlChar *URI);
XSLTPUBFUN void * XSLTCALL
xsltStyleGetExtData (xsltStylesheetPtr style,
const xmlChar *URI);
#ifdef XSLT_REFACTORED
XSLTPUBFUN void * XSLTCALL
xsltStyleStylesheetLevelGetExtData(
xsltStylesheetPtr style,
const xmlChar * URI);
#endif
XSLTPUBFUN void XSLTCALL
xsltShutdownCtxtExts (xsltTransformContextPtr ctxt);
XSLTPUBFUN void XSLTCALL
xsltShutdownExts (xsltStylesheetPtr style);
XSLTPUBFUN xsltTransformContextPtr XSLTCALL
xsltXPathGetTransformContext
(xmlXPathParserContextPtr ctxt);
/*
* extension functions
*/
XSLTPUBFUN int XSLTCALL
xsltRegisterExtModuleFunction
(const xmlChar *name,
const xmlChar *URI,
xmlXPathFunction function);
XSLTPUBFUN xmlXPathFunction XSLTCALL
xsltExtModuleFunctionLookup (const xmlChar *name,
const xmlChar *URI);
XSLTPUBFUN int XSLTCALL
xsltUnregisterExtModuleFunction
(const xmlChar *name,
const xmlChar *URI);
/*
* extension elements
*/
typedef xsltElemPreCompPtr (*xsltPreComputeFunction)
(xsltStylesheetPtr style,
xmlNodePtr inst,
xsltTransformFunction function);
XSLTPUBFUN xsltElemPreCompPtr XSLTCALL
xsltNewElemPreComp (xsltStylesheetPtr style,
xmlNodePtr inst,
xsltTransformFunction function);
XSLTPUBFUN void XSLTCALL
xsltInitElemPreComp (xsltElemPreCompPtr comp,
xsltStylesheetPtr style,
xmlNodePtr inst,
xsltTransformFunction function,
xsltElemPreCompDeallocator freeFunc);
XSLTPUBFUN int XSLTCALL
xsltRegisterExtModuleElement
(const xmlChar *name,
const xmlChar *URI,
xsltPreComputeFunction precomp,
xsltTransformFunction transform);
XSLTPUBFUN xsltTransformFunction XSLTCALL
xsltExtElementLookup (xsltTransformContextPtr ctxt,
const xmlChar *name,
const xmlChar *URI);
XSLTPUBFUN xsltTransformFunction XSLTCALL
xsltExtModuleElementLookup
(const xmlChar *name,
const xmlChar *URI);
XSLTPUBFUN xsltPreComputeFunction XSLTCALL
xsltExtModuleElementPreComputeLookup
(const xmlChar *name,
const xmlChar *URI);
XSLTPUBFUN int XSLTCALL
xsltUnregisterExtModuleElement
(const xmlChar *name,
const xmlChar *URI);
/*
* top-level elements
*/
typedef void (*xsltTopLevelFunction) (xsltStylesheetPtr style,
xmlNodePtr inst);
XSLTPUBFUN int XSLTCALL
xsltRegisterExtModuleTopLevel
(const xmlChar *name,
const xmlChar *URI,
xsltTopLevelFunction function);
XSLTPUBFUN xsltTopLevelFunction XSLTCALL
xsltExtModuleTopLevelLookup
(const xmlChar *name,
const xmlChar *URI);
XSLTPUBFUN int XSLTCALL
xsltUnregisterExtModuleTopLevel
(const xmlChar *name,
const xmlChar *URI);
/* These 2 functions are deprecated for use within modules. */
XSLTPUBFUN int XSLTCALL
xsltRegisterExtFunction (xsltTransformContextPtr ctxt,
const xmlChar *name,
const xmlChar *URI,
xmlXPathFunction function);
XSLTPUBFUN int XSLTCALL
xsltRegisterExtElement (xsltTransformContextPtr ctxt,
const xmlChar *name,
const xmlChar *URI,
xsltTransformFunction function);
/*
* Extension Prefix handling API.
* Those are used by the XSLT (pre)processor.
*/
XSLTPUBFUN int XSLTCALL
xsltRegisterExtPrefix (xsltStylesheetPtr style,
const xmlChar *prefix,
const xmlChar *URI);
XSLTPUBFUN int XSLTCALL
xsltCheckExtPrefix (xsltStylesheetPtr style,
const xmlChar *URI);
XSLTPUBFUN int XSLTCALL
xsltCheckExtURI (xsltStylesheetPtr style,
const xmlChar *URI);
XSLTPUBFUN int XSLTCALL
xsltInitCtxtExts (xsltTransformContextPtr ctxt);
XSLTPUBFUN void XSLTCALL
xsltFreeCtxtExts (xsltTransformContextPtr ctxt);
XSLTPUBFUN void XSLTCALL
xsltFreeExts (xsltStylesheetPtr style);
XSLTPUBFUN xsltElemPreCompPtr XSLTCALL
xsltPreComputeExtModuleElement
(xsltStylesheetPtr style,
xmlNodePtr inst);
/*
* Extension Infos access.
* Used by exslt initialisation
*/
XSLTPUBFUN xmlHashTablePtr XSLTCALL
xsltGetExtInfo (xsltStylesheetPtr style,
const xmlChar *URI);
/**
* Test of the extension module API
*/
XSLTPUBFUN void XSLTCALL
xsltRegisterTestModule (void);
XSLTPUBFUN void XSLTCALL
xsltDebugDumpExtensions (FILE * output);
#ifdef __cplusplus
}
#endif
#endif /* __XML_XSLT_EXTENSION_H__ */
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