/*

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* Summary: interface for the extension support

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* Description: This provide the API needed for simple and module

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* extension support.

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*

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* Copy: See Copyright for the status of this software.

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*

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* Author: Daniel Veillard

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*/

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#ifndef __XML_XSLT_EXTENSION_H__

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#define __XML_XSLT_EXTENSION_H__

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#include <libxml/xpath.h>

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#include "xsltexports.h"

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#include "xsltInternals.h"

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#ifdef __cplusplus

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extern "C" {

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#endif

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/**

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* Extension Modules API.

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*/

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/**

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* xsltInitGlobals:

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*

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* Initialize the global variables for extensions

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*

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*/

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XSLTPUBFUN void XSLTCALL

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xsltInitGlobals (void);

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/**

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* xsltStyleExtInitFunction:

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* @ctxt: an XSLT stylesheet

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* @URI: the namespace URI for the extension

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*

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* A function called at initialization time of an XSLT extension module.

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*

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* Returns a pointer to the module specific data for this transformation.

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*/

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typedef void * (*xsltStyleExtInitFunction) (xsltStylesheetPtr style,

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const xmlChar *URI);

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/**

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* xsltStyleExtShutdownFunction:

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* @ctxt: an XSLT stylesheet

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* @URI: the namespace URI for the extension

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* @data: the data associated to this module

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*

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* A function called at shutdown time of an XSLT extension module.

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*/

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typedef void (*xsltStyleExtShutdownFunction) (xsltStylesheetPtr style,

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const xmlChar *URI,

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void *data);

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/**

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* xsltExtInitFunction:

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* @ctxt: an XSLT transformation context

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* @URI: the namespace URI for the extension

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*

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* A function called at initialization time of an XSLT extension module.

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*

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* Returns a pointer to the module specific data for this transformation.

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*/

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typedef void * (*xsltExtInitFunction) (xsltTransformContextPtr ctxt,

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const xmlChar *URI);

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/**

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* xsltExtShutdownFunction:

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* @ctxt: an XSLT transformation context

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* @URI: the namespace URI for the extension

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* @data: the data associated to this module

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*

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* A function called at shutdown time of an XSLT extension module.

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*/

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typedef void (*xsltExtShutdownFunction) (xsltTransformContextPtr ctxt,

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const xmlChar *URI,

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void *data);

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtModule (const xmlChar *URI,

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xsltExtInitFunction initFunc,

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xsltExtShutdownFunction shutdownFunc);

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtModuleFull

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(const xmlChar * URI,

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xsltExtInitFunction initFunc,

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xsltExtShutdownFunction shutdownFunc,

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xsltStyleExtInitFunction styleInitFunc,

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xsltStyleExtShutdownFunction styleShutdownFunc);

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XSLTPUBFUN int XSLTCALL

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xsltUnregisterExtModule (const xmlChar * URI);

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XSLTPUBFUN void * XSLTCALL

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xsltGetExtData (xsltTransformContextPtr ctxt,

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const xmlChar *URI);

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XSLTPUBFUN void * XSLTCALL

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xsltStyleGetExtData (xsltStylesheetPtr style,

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const xmlChar *URI);

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#ifdef XSLT_REFACTORED

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XSLTPUBFUN void * XSLTCALL

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xsltStyleStylesheetLevelGetExtData(

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xsltStylesheetPtr style,

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const xmlChar * URI);

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#endif

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XSLTPUBFUN void XSLTCALL

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xsltShutdownCtxtExts (xsltTransformContextPtr ctxt);

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XSLTPUBFUN void XSLTCALL

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xsltShutdownExts (xsltStylesheetPtr style);

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XSLTPUBFUN xsltTransformContextPtr XSLTCALL

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xsltXPathGetTransformContext

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(xmlXPathParserContextPtr ctxt);

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/*

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* extension functions

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*/

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtModuleFunction

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(const xmlChar *name,

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const xmlChar *URI,

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xmlXPathFunction function);

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XSLTPUBFUN xmlXPathFunction XSLTCALL

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xsltExtModuleFunctionLookup (const xmlChar *name,

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const xmlChar *URI);

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XSLTPUBFUN int XSLTCALL

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xsltUnregisterExtModuleFunction

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(const xmlChar *name,

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const xmlChar *URI);

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/*

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* extension elements

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*/

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typedef xsltElemPreCompPtr (*xsltPreComputeFunction)

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(xsltStylesheetPtr style,

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xmlNodePtr inst,

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xsltTransformFunction function);

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XSLTPUBFUN xsltElemPreCompPtr XSLTCALL

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xsltNewElemPreComp (xsltStylesheetPtr style,

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xmlNodePtr inst,

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xsltTransformFunction function);

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XSLTPUBFUN void XSLTCALL

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xsltInitElemPreComp (xsltElemPreCompPtr comp,

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xsltStylesheetPtr style,

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xmlNodePtr inst,

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xsltTransformFunction function,

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xsltElemPreCompDeallocator freeFunc);

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtModuleElement

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(const xmlChar *name,

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const xmlChar *URI,

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xsltPreComputeFunction precomp,

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xsltTransformFunction transform);

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XSLTPUBFUN xsltTransformFunction XSLTCALL

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xsltExtElementLookup (xsltTransformContextPtr ctxt,

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const xmlChar *name,

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const xmlChar *URI);

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XSLTPUBFUN xsltTransformFunction XSLTCALL

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xsltExtModuleElementLookup

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(const xmlChar *name,

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const xmlChar *URI);

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XSLTPUBFUN xsltPreComputeFunction XSLTCALL

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xsltExtModuleElementPreComputeLookup

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(const xmlChar *name,

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const xmlChar *URI);

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XSLTPUBFUN int XSLTCALL

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xsltUnregisterExtModuleElement

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(const xmlChar *name,

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const xmlChar *URI);

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/*

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* top-level elements

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*/

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typedef void (*xsltTopLevelFunction) (xsltStylesheetPtr style,

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xmlNodePtr inst);

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtModuleTopLevel

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(const xmlChar *name,

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const xmlChar *URI,

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xsltTopLevelFunction function);

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XSLTPUBFUN xsltTopLevelFunction XSLTCALL

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xsltExtModuleTopLevelLookup

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(const xmlChar *name,

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const xmlChar *URI);

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XSLTPUBFUN int XSLTCALL

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xsltUnregisterExtModuleTopLevel

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(const xmlChar *name,

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const xmlChar *URI);

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/* These 2 functions are deprecated for use within modules. */

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtFunction (xsltTransformContextPtr ctxt,

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const xmlChar *name,

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const xmlChar *URI,

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xmlXPathFunction function);

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtElement (xsltTransformContextPtr ctxt,

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const xmlChar *name,

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const xmlChar *URI,

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xsltTransformFunction function);

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/*

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* Extension Prefix handling API.

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* Those are used by the XSLT (pre)processor.

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*/

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XSLTPUBFUN int XSLTCALL

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xsltRegisterExtPrefix (xsltStylesheetPtr style,

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const xmlChar *prefix,

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const xmlChar *URI);

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XSLTPUBFUN int XSLTCALL

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xsltCheckExtPrefix (xsltStylesheetPtr style,

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const xmlChar *URI);

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XSLTPUBFUN int XSLTCALL

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xsltCheckExtURI (xsltStylesheetPtr style,

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const xmlChar *URI);

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XSLTPUBFUN int XSLTCALL

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xsltInitCtxtExts (xsltTransformContextPtr ctxt);

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XSLTPUBFUN void XSLTCALL

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xsltFreeCtxtExts (xsltTransformContextPtr ctxt);

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XSLTPUBFUN void XSLTCALL

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xsltFreeExts (xsltStylesheetPtr style);

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XSLTPUBFUN xsltElemPreCompPtr XSLTCALL

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xsltPreComputeExtModuleElement

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(xsltStylesheetPtr style,

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xmlNodePtr inst);

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/*

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* Extension Infos access.

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* Used by exslt initialisation

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*/

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XSLTPUBFUN xmlHashTablePtr XSLTCALL

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xsltGetExtInfo (xsltStylesheetPtr style,

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const xmlChar *URI);

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/**

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* Test module http://xmlsoft.org/XSLT/

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*/

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XSLTPUBFUN void XSLTCALL

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xsltRegisterTestModule (void);

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XSLTPUBFUN void XSLTCALL

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xsltDebugDumpExtensions (FILE * output);

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#ifdef __cplusplus

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}

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#endif

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#endif /* __XML_XSLT_EXTENSION_H__ */

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