/*
 * Summary: interface for the variable matching and lookup.
 * Description: interface for the variable matching and lookup.
 *
 * Copy: See Copyright for the status of this software.
 *
 * Author: Daniel Veillard
 */

#ifndef __XML_XSLT_VARIABLES_H__
#define __XML_XSLT_VARIABLES_H__

#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include "xsltexports.h"
#include "xsltInternals.h"
#include "functions.h"

#ifdef __cplusplus
extern "C" {
#endif


/**
 * XSLT_REGISTER_VARIABLE_LOOKUP:
 *
 * Registering macro, not general purpose at all but used in different modules.
 */

#define XSLT_REGISTER_VARIABLE_LOOKUP(ctxt)         \
    xmlXPathRegisterVariableLookup((ctxt)->xpathCtxt,       \
           xsltXPathVariableLookup, (void *)(ctxt));    \
    xsltRegisterAllFunctions((ctxt)->xpathCtxt);        \
    xsltRegisterAllElement(ctxt);               \
    (ctxt)->xpathCtxt->extra = ctxt

/*
 * Interfaces for the variable module.
 */

XSLTPUBFUN int XSLTCALL
        xsltEvalGlobalVariables     (xsltTransformContextPtr ctxt);
XSLTPUBFUN int XSLTCALL
        xsltEvalUserParams      (xsltTransformContextPtr ctxt,
                         const char **params);
XSLTPUBFUN int XSLTCALL
        xsltQuoteUserParams     (xsltTransformContextPtr ctxt,
                         const char **params);
XSLTPUBFUN int XSLTCALL
        xsltEvalOneUserParam        (xsltTransformContextPtr ctxt,
                         const xmlChar * name,
                         const xmlChar * value);
XSLTPUBFUN int XSLTCALL
        xsltQuoteOneUserParam       (xsltTransformContextPtr ctxt,
                         const xmlChar * name,
                         const xmlChar * value);

XSLTPUBFUN void XSLTCALL
        xsltParseGlobalVariable     (xsltStylesheetPtr style,
                         xmlNodePtr cur);
XSLTPUBFUN void XSLTCALL
        xsltParseGlobalParam        (xsltStylesheetPtr style,
                         xmlNodePtr cur);
XSLTPUBFUN void XSLTCALL
        xsltParseStylesheetVariable (xsltTransformContextPtr ctxt,
                         xmlNodePtr cur);
XSLTPUBFUN void XSLTCALL
        xsltParseStylesheetParam    (xsltTransformContextPtr ctxt,
                         xmlNodePtr cur);
XSLTPUBFUN xsltStackElemPtr XSLTCALL
        xsltParseStylesheetCallerParam  (xsltTransformContextPtr ctxt,
                         xmlNodePtr cur);
XSLTPUBFUN int XSLTCALL
        xsltAddStackElemList        (xsltTransformContextPtr ctxt,
                         xsltStackElemPtr elems);
XSLTPUBFUN void XSLTCALL
        xsltFreeGlobalVariables     (xsltTransformContextPtr ctxt);
XSLTPUBFUN xmlXPathObjectPtr XSLTCALL
        xsltVariableLookup      (xsltTransformContextPtr ctxt,
                         const xmlChar *name,
                         const xmlChar *ns_uri);
XSLTPUBFUN xmlXPathObjectPtr XSLTCALL
        xsltXPathVariableLookup     (void *ctxt,
                         const xmlChar *name,
                         const xmlChar *ns_uri);
#ifdef __cplusplus
}
#endif

#endif /* __XML_XSLT_VARIABLES_H__ */