mirror of
https://github.com/reactos/reactos.git
synced 2025-08-04 23:45:42 +00:00
Create a branch for cmake bringup.
svn path=/branches/cmake-bringup/; revision=48236
This commit is contained in:
Amine Khaldi
parent
a28e798006
commit
c424146e2c
20602 changed files with 0 additions and 1140137 deletions
975
dll/3rdparty/libxslt/functions.c
vendored
Normal file
975
dll/3rdparty/libxslt/functions.c
vendored
Normal file
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|
@ -0,0 +1,975 @@
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/*
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* functions.c: Implementation of the XSLT extra functions
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*
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* Reference:
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* http://www.w3.org/TR/1999/REC-xslt-19991116
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*
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* See Copyright for the status of this software.
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*
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* daniel@veillard.com
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* Bjorn Reese <breese@users.sourceforge.net> for number formatting
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*/
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#define IN_LIBXSLT
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#include "libxslt.h"
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#include <string.h>
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_CTYPE_H
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#include <ctype.h>
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#endif
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#include <libxml/xmlmemory.h>
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#include <libxml/parser.h>
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#include <libxml/tree.h>
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#include <libxml/valid.h>
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#include <libxml/hash.h>
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#include <libxml/xmlerror.h>
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#include <libxml/xpath.h>
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#include <libxml/xpathInternals.h>
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#include <libxml/parserInternals.h>
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#include <libxml/uri.h>
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#include <libxml/xpointer.h>
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#include "xslt.h"
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#include "xsltInternals.h"
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#include "xsltutils.h"
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#include "functions.h"
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#include "extensions.h"
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#include "numbersInternals.h"
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#include "keys.h"
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#include "documents.h"
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#ifdef WITH_XSLT_DEBUG
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#define WITH_XSLT_DEBUG_FUNCTION
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#endif
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/*
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* Some versions of DocBook XSL use the vendor string to detect
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* supporting chunking, this is a workaround to be considered
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* in the list of decent XSLT processors <grin/>
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*/
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#define DOCBOOK_XSL_HACK
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/**
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* xsltXPathFunctionLookup:
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* @ctxt: a void * but the XSLT transformation context actually
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* @name: the function name
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* @ns_uri: the function namespace URI
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*
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* This is the entry point when a function is needed by the XPath
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* interpretor.
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*
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* Returns the callback function or NULL if not found
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*/
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xmlXPathFunction
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xsltXPathFunctionLookup (xmlXPathContextPtr ctxt,
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const xmlChar *name, const xmlChar *ns_uri) {
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xmlXPathFunction ret;
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if ((ctxt == NULL) || (name == NULL) || (ns_uri == NULL))
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return (NULL);
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#ifdef WITH_XSLT_DEBUG_FUNCTION
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xsltGenericDebug(xsltGenericDebugContext,
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"Lookup function {%s}%s\n", ns_uri, name);
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#endif
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/* give priority to context-level functions */
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/*
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ret = (xmlXPathFunction) xmlHashLookup2(ctxt->funcHash, name, ns_uri);
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*/
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XML_CAST_FPTR(ret) = xmlHashLookup2(ctxt->funcHash, name, ns_uri);
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if (ret == NULL)
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ret = xsltExtModuleFunctionLookup(name, ns_uri);
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#ifdef WITH_XSLT_DEBUG_FUNCTION
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if (ret != NULL)
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xsltGenericDebug(xsltGenericDebugContext,
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"found function %s\n", name);
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#endif
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return(ret);
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}
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/************************************************************************
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* *
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* Module interfaces *
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* *
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************************************************************************/
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static void
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xsltDocumentFunctionLoadDocument(xmlXPathParserContextPtr ctxt, xmlChar* URI)
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{
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xsltTransformContextPtr tctxt;
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xmlURIPtr uri;
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xmlChar *fragment;
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xsltDocumentPtr idoc; /* document info */
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xmlDocPtr doc;
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xmlXPathContextPtr xptrctxt = NULL;
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xmlXPathObjectPtr resObj = NULL;
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tctxt = xsltXPathGetTransformContext(ctxt);
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if (tctxt == NULL) {
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xsltTransformError(NULL, NULL, NULL,
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"document() : internal error tctxt == NULL\n");
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valuePush(ctxt, xmlXPathNewNodeSet(NULL));
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return;
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}
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uri = xmlParseURI((const char *) URI);
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if (uri == NULL) {
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xsltTransformError(tctxt, NULL, NULL,
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"document() : failed to parse URI\n");
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valuePush(ctxt, xmlXPathNewNodeSet(NULL));
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return;
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}
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/*
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* check for and remove fragment identifier
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*/
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fragment = (xmlChar *)uri->fragment;
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if (fragment != NULL) {
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xmlChar *newURI;
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uri->fragment = NULL;
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newURI = xmlSaveUri(uri);
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idoc = xsltLoadDocument(tctxt, newURI);
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xmlFree(newURI);
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} else
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idoc = xsltLoadDocument(tctxt, URI);
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xmlFreeURI(uri);
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if (idoc == NULL) {
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if ((URI == NULL) ||
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(URI[0] == '#') ||
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((tctxt->style->doc != NULL) &&
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(xmlStrEqual(tctxt->style->doc->URL, URI))))
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{
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/*
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* This selects the stylesheet's doc itself.
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*/
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doc = tctxt->style->doc;
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} else {
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valuePush(ctxt, xmlXPathNewNodeSet(NULL));
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if (fragment != NULL)
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xmlFree(fragment);
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return;
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}
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} else
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doc = idoc->doc;
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if (fragment == NULL) {
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valuePush(ctxt, xmlXPathNewNodeSet((xmlNodePtr) doc));
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return;
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}
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/* use XPointer of HTML location for fragment ID */
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#ifdef LIBXML_XPTR_ENABLED
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xptrctxt = xmlXPtrNewContext(doc, NULL, NULL);
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if (xptrctxt == NULL) {
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xsltTransformError(tctxt, NULL, NULL,
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"document() : internal error xptrctxt == NULL\n");
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goto out_fragment;
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}
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resObj = xmlXPtrEval(fragment, xptrctxt);
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xmlXPathFreeContext(xptrctxt);
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#endif
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xmlFree(fragment);
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if (resObj == NULL)
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goto out_fragment;
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switch (resObj->type) {
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case XPATH_NODESET:
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break;
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case XPATH_UNDEFINED:
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case XPATH_BOOLEAN:
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case XPATH_NUMBER:
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case XPATH_STRING:
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case XPATH_POINT:
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case XPATH_USERS:
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case XPATH_XSLT_TREE:
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case XPATH_RANGE:
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case XPATH_LOCATIONSET:
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xsltTransformError(tctxt, NULL, NULL,
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"document() : XPointer does not select a node set: #%s\n",
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fragment);
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goto out_object;
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}
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valuePush(ctxt, resObj);
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return;
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out_object:
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xmlXPathFreeObject(resObj);
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out_fragment:
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valuePush(ctxt, xmlXPathNewNodeSet(NULL));
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}
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/**
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* xsltDocumentFunction:
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* @ctxt: the XPath Parser context
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* @nargs: the number of arguments
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*
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* Implement the document() XSLT function
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* node-set document(object, node-set?)
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*/
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void
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xsltDocumentFunction(xmlXPathParserContextPtr ctxt, int nargs)
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{
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xmlXPathObjectPtr obj, obj2 = NULL;
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xmlChar *base = NULL, *URI;
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if ((nargs < 1) || (nargs > 2)) {
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xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
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"document() : invalid number of args %d\n",
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nargs);
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ctxt->error = XPATH_INVALID_ARITY;
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return;
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}
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if (ctxt->value == NULL) {
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xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
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"document() : invalid arg value\n");
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ctxt->error = XPATH_INVALID_TYPE;
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return;
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}
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if (nargs == 2) {
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if (ctxt->value->type != XPATH_NODESET) {
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xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
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"document() : invalid arg expecting a nodeset\n");
|
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ctxt->error = XPATH_INVALID_TYPE;
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return;
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}
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obj2 = valuePop(ctxt);
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}
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if (ctxt->value->type == XPATH_NODESET) {
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int i;
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xmlXPathObjectPtr newobj, ret;
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obj = valuePop(ctxt);
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ret = xmlXPathNewNodeSet(NULL);
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|
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if (obj->nodesetval) {
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for (i = 0; i < obj->nodesetval->nodeNr; i++) {
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valuePush(ctxt,
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xmlXPathNewNodeSet(obj->nodesetval->nodeTab[i]));
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xmlXPathStringFunction(ctxt, 1);
|
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if (nargs == 2) {
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valuePush(ctxt, xmlXPathObjectCopy(obj2));
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} else {
|
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valuePush(ctxt,
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xmlXPathNewNodeSet(obj->nodesetval->
|
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nodeTab[i]));
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}
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xsltDocumentFunction(ctxt, 2);
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newobj = valuePop(ctxt);
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ret->nodesetval = xmlXPathNodeSetMerge(ret->nodesetval,
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newobj->nodesetval);
|
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xmlXPathFreeObject(newobj);
|
||||
}
|
||||
}
|
||||
|
||||
xmlXPathFreeObject(obj);
|
||||
if (obj2 != NULL)
|
||||
xmlXPathFreeObject(obj2);
|
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valuePush(ctxt, ret);
|
||||
return;
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||||
}
|
||||
/*
|
||||
* Make sure it's converted to a string
|
||||
*/
|
||||
xmlXPathStringFunction(ctxt, 1);
|
||||
if (ctxt->value->type != XPATH_STRING) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"document() : invalid arg expecting a string\n");
|
||||
ctxt->error = XPATH_INVALID_TYPE;
|
||||
if (obj2 != NULL)
|
||||
xmlXPathFreeObject(obj2);
|
||||
return;
|
||||
}
|
||||
obj = valuePop(ctxt);
|
||||
if (obj->stringval == NULL) {
|
||||
valuePush(ctxt, xmlXPathNewNodeSet(NULL));
|
||||
} else {
|
||||
if ((obj2 != NULL) && (obj2->nodesetval != NULL) &&
|
||||
(obj2->nodesetval->nodeNr > 0) &&
|
||||
IS_XSLT_REAL_NODE(obj2->nodesetval->nodeTab[0])) {
|
||||
xmlNodePtr target;
|
||||
|
||||
target = obj2->nodesetval->nodeTab[0];
|
||||
if ((target->type == XML_ATTRIBUTE_NODE) ||
|
||||
(target->type == XML_PI_NODE)) {
|
||||
target = ((xmlAttrPtr) target)->parent;
|
||||
}
|
||||
base = xmlNodeGetBase(target->doc, target);
|
||||
} else {
|
||||
xsltTransformContextPtr tctxt;
|
||||
|
||||
tctxt = xsltXPathGetTransformContext(ctxt);
|
||||
if ((tctxt != NULL) && (tctxt->inst != NULL)) {
|
||||
base = xmlNodeGetBase(tctxt->inst->doc, tctxt->inst);
|
||||
} else if ((tctxt != NULL) && (tctxt->style != NULL) &&
|
||||
(tctxt->style->doc != NULL)) {
|
||||
base = xmlNodeGetBase(tctxt->style->doc,
|
||||
(xmlNodePtr) tctxt->style->doc);
|
||||
}
|
||||
}
|
||||
URI = xmlBuildURI(obj->stringval, base);
|
||||
if (base != NULL)
|
||||
xmlFree(base);
|
||||
if (URI == NULL) {
|
||||
valuePush(ctxt, xmlXPathNewNodeSet(NULL));
|
||||
} else {
|
||||
xsltDocumentFunctionLoadDocument( ctxt, URI );
|
||||
xmlFree(URI);
|
||||
}
|
||||
}
|
||||
xmlXPathFreeObject(obj);
|
||||
if (obj2 != NULL)
|
||||
xmlXPathFreeObject(obj2);
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltKeyFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the key() XSLT function
|
||||
* node-set key(string, object)
|
||||
*/
|
||||
void
|
||||
xsltKeyFunction(xmlXPathParserContextPtr ctxt, int nargs){
|
||||
xmlXPathObjectPtr obj1, obj2;
|
||||
|
||||
if (nargs != 2) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"key() : expects two arguments\n");
|
||||
ctxt->error = XPATH_INVALID_ARITY;
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Get the key's value.
|
||||
*/
|
||||
obj2 = valuePop(ctxt);
|
||||
xmlXPathStringFunction(ctxt, 1);
|
||||
if ((obj2 == NULL) ||
|
||||
(ctxt->value == NULL) || (ctxt->value->type != XPATH_STRING)) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"key() : invalid arg expecting a string\n");
|
||||
ctxt->error = XPATH_INVALID_TYPE;
|
||||
xmlXPathFreeObject(obj2);
|
||||
|
||||
return;
|
||||
}
|
||||
/*
|
||||
* Get the key's name.
|
||||
*/
|
||||
obj1 = valuePop(ctxt);
|
||||
|
||||
if ((obj2->type == XPATH_NODESET) || (obj2->type == XPATH_XSLT_TREE)) {
|
||||
int i;
|
||||
xmlXPathObjectPtr newobj, ret;
|
||||
|
||||
ret = xmlXPathNewNodeSet(NULL);
|
||||
|
||||
if (obj2->nodesetval != NULL) {
|
||||
for (i = 0; i < obj2->nodesetval->nodeNr; i++) {
|
||||
valuePush(ctxt, xmlXPathObjectCopy(obj1));
|
||||
valuePush(ctxt,
|
||||
xmlXPathNewNodeSet(obj2->nodesetval->nodeTab[i]));
|
||||
xmlXPathStringFunction(ctxt, 1);
|
||||
xsltKeyFunction(ctxt, 2);
|
||||
newobj = valuePop(ctxt);
|
||||
ret->nodesetval = xmlXPathNodeSetMerge(ret->nodesetval,
|
||||
newobj->nodesetval);
|
||||
xmlXPathFreeObject(newobj);
|
||||
}
|
||||
}
|
||||
valuePush(ctxt, ret);
|
||||
} else {
|
||||
xmlNodeSetPtr nodelist = NULL;
|
||||
xmlChar *key = NULL, *value;
|
||||
const xmlChar *keyURI;
|
||||
xsltTransformContextPtr tctxt;
|
||||
xmlChar *qname, *prefix;
|
||||
xmlXPathContextPtr xpctxt = ctxt->context;
|
||||
xmlNodePtr tmpNode = NULL;
|
||||
xsltDocumentPtr oldDocInfo;
|
||||
|
||||
tctxt = xsltXPathGetTransformContext(ctxt);
|
||||
|
||||
oldDocInfo = tctxt->document;
|
||||
|
||||
if (xpctxt->node == NULL) {
|
||||
xsltTransformError(tctxt, NULL, tctxt->inst,
|
||||
"Internal error in xsltKeyFunction(): "
|
||||
"The context node is not set on the XPath context.\n");
|
||||
tctxt->state = XSLT_STATE_STOPPED;
|
||||
goto error;
|
||||
}
|
||||
/*
|
||||
* Get the associated namespace URI if qualified name
|
||||
*/
|
||||
qname = obj1->stringval;
|
||||
key = xmlSplitQName2(qname, &prefix);
|
||||
if (key == NULL) {
|
||||
key = xmlStrdup(obj1->stringval);
|
||||
keyURI = NULL;
|
||||
if (prefix != NULL)
|
||||
xmlFree(prefix);
|
||||
} else {
|
||||
if (prefix != NULL) {
|
||||
keyURI = xmlXPathNsLookup(xpctxt, prefix);
|
||||
if (keyURI == NULL) {
|
||||
xsltTransformError(tctxt, NULL, tctxt->inst,
|
||||
"key() : prefix %s is not bound\n", prefix);
|
||||
/*
|
||||
* TODO: Shouldn't we stop here?
|
||||
*/
|
||||
}
|
||||
xmlFree(prefix);
|
||||
} else {
|
||||
keyURI = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Force conversion of first arg to string
|
||||
*/
|
||||
valuePush(ctxt, obj2);
|
||||
xmlXPathStringFunction(ctxt, 1);
|
||||
if ((ctxt->value == NULL) || (ctxt->value->type != XPATH_STRING)) {
|
||||
xsltTransformError(tctxt, NULL, tctxt->inst,
|
||||
"key() : invalid arg expecting a string\n");
|
||||
ctxt->error = XPATH_INVALID_TYPE;
|
||||
goto error;
|
||||
}
|
||||
obj2 = valuePop(ctxt);
|
||||
value = obj2->stringval;
|
||||
|
||||
/*
|
||||
* We need to ensure that ctxt->document is available for
|
||||
* xsltGetKey().
|
||||
* First find the relevant doc, which is the context node's
|
||||
* owner doc; using context->doc is not safe, since
|
||||
* the doc could have been acquired via the document() function,
|
||||
* or the doc might be a Result Tree Fragment.
|
||||
* FUTURE INFO: In XSLT 2.0 the key() function takes an additional
|
||||
* argument indicating the doc to use.
|
||||
*/
|
||||
if (xpctxt->node->type == XML_NAMESPACE_DECL) {
|
||||
/*
|
||||
* REVISIT: This is a libxml hack! Check xpath.c for details.
|
||||
* The XPath module sets the owner element of a ns-node on
|
||||
* the ns->next field.
|
||||
*/
|
||||
if ((((xmlNsPtr) xpctxt->node)->next != NULL) &&
|
||||
(((xmlNsPtr) xpctxt->node)->next->type == XML_ELEMENT_NODE))
|
||||
{
|
||||
tmpNode = (xmlNodePtr) ((xmlNsPtr) xpctxt->node)->next;
|
||||
}
|
||||
} else
|
||||
tmpNode = xpctxt->node;
|
||||
|
||||
if ((tmpNode == NULL) || (tmpNode->doc == NULL)) {
|
||||
xsltTransformError(tctxt, NULL, tctxt->inst,
|
||||
"Internal error in xsltKeyFunction(): "
|
||||
"Couldn't get the doc of the XPath context node.\n");
|
||||
goto error;
|
||||
}
|
||||
|
||||
if ((tctxt->document == NULL) ||
|
||||
(tctxt->document->doc != tmpNode->doc))
|
||||
{
|
||||
if (tmpNode->doc->name && (tmpNode->doc->name[0] == ' ')) {
|
||||
/*
|
||||
* This is a Result Tree Fragment.
|
||||
*/
|
||||
if (tmpNode->doc->_private == NULL) {
|
||||
tmpNode->doc->_private = xsltNewDocument(tctxt, tmpNode->doc);
|
||||
if (tmpNode->doc->_private == NULL)
|
||||
goto error;
|
||||
}
|
||||
tctxt->document = (xsltDocumentPtr) tmpNode->doc->_private;
|
||||
} else {
|
||||
/*
|
||||
* May be the initial source doc or a doc acquired via the
|
||||
* document() function.
|
||||
*/
|
||||
tctxt->document = xsltFindDocument(tctxt, tmpNode->doc);
|
||||
}
|
||||
if (tctxt->document == NULL) {
|
||||
xsltTransformError(tctxt, NULL, tctxt->inst,
|
||||
"Internal error in xsltKeyFunction(): "
|
||||
"Could not get the document info of a context doc.\n");
|
||||
tctxt->state = XSLT_STATE_STOPPED;
|
||||
goto error;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Get/compute the key value.
|
||||
*/
|
||||
nodelist = xsltGetKey(tctxt, key, keyURI, value);
|
||||
|
||||
error:
|
||||
tctxt->document = oldDocInfo;
|
||||
valuePush(ctxt, xmlXPathWrapNodeSet(
|
||||
xmlXPathNodeSetMerge(NULL, nodelist)));
|
||||
if (key != NULL)
|
||||
xmlFree(key);
|
||||
}
|
||||
|
||||
if (obj1 != NULL)
|
||||
xmlXPathFreeObject(obj1);
|
||||
if (obj2 != NULL)
|
||||
xmlXPathFreeObject(obj2);
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltUnparsedEntityURIFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the unparsed-entity-uri() XSLT function
|
||||
* string unparsed-entity-uri(string)
|
||||
*/
|
||||
void
|
||||
xsltUnparsedEntityURIFunction(xmlXPathParserContextPtr ctxt, int nargs){
|
||||
xmlXPathObjectPtr obj;
|
||||
xmlChar *str;
|
||||
|
||||
if ((nargs != 1) || (ctxt->value == NULL)) {
|
||||
xsltGenericError(xsltGenericErrorContext,
|
||||
"unparsed-entity-uri() : expects one string arg\n");
|
||||
ctxt->error = XPATH_INVALID_ARITY;
|
||||
return;
|
||||
}
|
||||
obj = valuePop(ctxt);
|
||||
if (obj->type != XPATH_STRING) {
|
||||
obj = xmlXPathConvertString(obj);
|
||||
}
|
||||
|
||||
str = obj->stringval;
|
||||
if (str == NULL) {
|
||||
valuePush(ctxt, xmlXPathNewString((const xmlChar *)""));
|
||||
} else {
|
||||
xmlEntityPtr entity;
|
||||
|
||||
entity = xmlGetDocEntity(ctxt->context->doc, str);
|
||||
if (entity == NULL) {
|
||||
valuePush(ctxt, xmlXPathNewString((const xmlChar *)""));
|
||||
} else {
|
||||
if (entity->URI != NULL)
|
||||
valuePush(ctxt, xmlXPathNewString(entity->URI));
|
||||
else
|
||||
valuePush(ctxt, xmlXPathNewString((const xmlChar *)""));
|
||||
}
|
||||
}
|
||||
xmlXPathFreeObject(obj);
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltFormatNumberFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the format-number() XSLT function
|
||||
* string format-number(number, string, string?)
|
||||
*/
|
||||
void
|
||||
xsltFormatNumberFunction(xmlXPathParserContextPtr ctxt, int nargs)
|
||||
{
|
||||
xmlXPathObjectPtr numberObj = NULL;
|
||||
xmlXPathObjectPtr formatObj = NULL;
|
||||
xmlXPathObjectPtr decimalObj = NULL;
|
||||
xsltStylesheetPtr sheet;
|
||||
xsltDecimalFormatPtr formatValues;
|
||||
xmlChar *result;
|
||||
xsltTransformContextPtr tctxt;
|
||||
|
||||
tctxt = xsltXPathGetTransformContext(ctxt);
|
||||
if (tctxt == NULL)
|
||||
return;
|
||||
sheet = tctxt->style;
|
||||
if (sheet == NULL)
|
||||
return;
|
||||
formatValues = sheet->decimalFormat;
|
||||
|
||||
switch (nargs) {
|
||||
case 3:
|
||||
CAST_TO_STRING;
|
||||
decimalObj = valuePop(ctxt);
|
||||
formatValues = xsltDecimalFormatGetByName(sheet, decimalObj->stringval);
|
||||
if (formatValues == NULL) {
|
||||
xsltTransformError(tctxt, NULL, NULL,
|
||||
"format-number() : undeclared decimal format '%s'\n",
|
||||
decimalObj->stringval);
|
||||
}
|
||||
/* Intentional fall-through */
|
||||
case 2:
|
||||
CAST_TO_STRING;
|
||||
formatObj = valuePop(ctxt);
|
||||
CAST_TO_NUMBER;
|
||||
numberObj = valuePop(ctxt);
|
||||
break;
|
||||
default:
|
||||
XP_ERROR(XPATH_INVALID_ARITY);
|
||||
}
|
||||
|
||||
if (formatValues != NULL) {
|
||||
if (xsltFormatNumberConversion(formatValues,
|
||||
formatObj->stringval,
|
||||
numberObj->floatval,
|
||||
&result) == XPATH_EXPRESSION_OK) {
|
||||
valuePush(ctxt, xmlXPathNewString(result));
|
||||
xmlFree(result);
|
||||
}
|
||||
}
|
||||
|
||||
xmlXPathFreeObject(numberObj);
|
||||
xmlXPathFreeObject(formatObj);
|
||||
xmlXPathFreeObject(decimalObj);
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltGenerateIdFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the generate-id() XSLT function
|
||||
* string generate-id(node-set?)
|
||||
*/
|
||||
void
|
||||
xsltGenerateIdFunction(xmlXPathParserContextPtr ctxt, int nargs){
|
||||
xmlNodePtr cur = NULL;
|
||||
unsigned long val;
|
||||
xmlChar str[20];
|
||||
|
||||
if (nargs == 0) {
|
||||
cur = ctxt->context->node;
|
||||
} else if (nargs == 1) {
|
||||
xmlXPathObjectPtr obj;
|
||||
xmlNodeSetPtr nodelist;
|
||||
int i, ret;
|
||||
|
||||
if ((ctxt->value == NULL) || (ctxt->value->type != XPATH_NODESET)) {
|
||||
ctxt->error = XPATH_INVALID_TYPE;
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"generate-id() : invalid arg expecting a node-set\n");
|
||||
return;
|
||||
}
|
||||
obj = valuePop(ctxt);
|
||||
nodelist = obj->nodesetval;
|
||||
if ((nodelist == NULL) || (nodelist->nodeNr <= 0)) {
|
||||
xmlXPathFreeObject(obj);
|
||||
valuePush(ctxt, xmlXPathNewCString(""));
|
||||
return;
|
||||
}
|
||||
cur = nodelist->nodeTab[0];
|
||||
for (i = 1;i < nodelist->nodeNr;i++) {
|
||||
ret = xmlXPathCmpNodes(cur, nodelist->nodeTab[i]);
|
||||
if (ret == -1)
|
||||
cur = nodelist->nodeTab[i];
|
||||
}
|
||||
xmlXPathFreeObject(obj);
|
||||
} else {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"generate-id() : invalid number of args %d\n", nargs);
|
||||
ctxt->error = XPATH_INVALID_ARITY;
|
||||
return;
|
||||
}
|
||||
/*
|
||||
* Okay this is ugly but should work, use the NodePtr address
|
||||
* to forge the ID
|
||||
*/
|
||||
val = (unsigned long)((char *)cur - (char *)0);
|
||||
val /= sizeof(xmlNode);
|
||||
sprintf((char *)str, "id%ld", val);
|
||||
valuePush(ctxt, xmlXPathNewString(str));
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltSystemPropertyFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the system-property() XSLT function
|
||||
* object system-property(string)
|
||||
*/
|
||||
void
|
||||
xsltSystemPropertyFunction(xmlXPathParserContextPtr ctxt, int nargs){
|
||||
xmlXPathObjectPtr obj;
|
||||
xmlChar *prefix, *name;
|
||||
const xmlChar *nsURI = NULL;
|
||||
|
||||
if (nargs != 1) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"system-property() : expects one string arg\n");
|
||||
ctxt->error = XPATH_INVALID_ARITY;
|
||||
return;
|
||||
}
|
||||
if ((ctxt->value == NULL) || (ctxt->value->type != XPATH_STRING)) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"system-property() : invalid arg expecting a string\n");
|
||||
ctxt->error = XPATH_INVALID_TYPE;
|
||||
return;
|
||||
}
|
||||
obj = valuePop(ctxt);
|
||||
if (obj->stringval == NULL) {
|
||||
valuePush(ctxt, xmlXPathNewString((const xmlChar *)""));
|
||||
} else {
|
||||
name = xmlSplitQName2(obj->stringval, &prefix);
|
||||
if (name == NULL) {
|
||||
name = xmlStrdup(obj->stringval);
|
||||
} else {
|
||||
nsURI = xmlXPathNsLookup(ctxt->context, prefix);
|
||||
if (nsURI == NULL) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"system-property() : prefix %s is not bound\n", prefix);
|
||||
}
|
||||
}
|
||||
|
||||
if (xmlStrEqual(nsURI, XSLT_NAMESPACE)) {
|
||||
#ifdef DOCBOOK_XSL_HACK
|
||||
if (xmlStrEqual(name, (const xmlChar *)"vendor")) {
|
||||
xsltStylesheetPtr sheet;
|
||||
xsltTransformContextPtr tctxt;
|
||||
|
||||
tctxt = xsltXPathGetTransformContext(ctxt);
|
||||
if ((tctxt != NULL) && (tctxt->inst != NULL) &&
|
||||
(xmlStrEqual(tctxt->inst->name, BAD_CAST "variable")) &&
|
||||
(tctxt->inst->parent != NULL) &&
|
||||
(xmlStrEqual(tctxt->inst->parent->name,
|
||||
BAD_CAST "template")))
|
||||
sheet = tctxt->style;
|
||||
else
|
||||
sheet = NULL;
|
||||
if ((sheet != NULL) && (sheet->doc != NULL) &&
|
||||
(sheet->doc->URL != NULL) &&
|
||||
(xmlStrstr(sheet->doc->URL,
|
||||
(const xmlChar *)"chunk") != NULL)) {
|
||||
valuePush(ctxt, xmlXPathNewString(
|
||||
(const xmlChar *)"libxslt (SAXON 6.2 compatible)"));
|
||||
|
||||
} else {
|
||||
valuePush(ctxt, xmlXPathNewString(
|
||||
(const xmlChar *)XSLT_DEFAULT_VENDOR));
|
||||
}
|
||||
} else
|
||||
#else
|
||||
if (xmlStrEqual(name, (const xmlChar *)"vendor")) {
|
||||
valuePush(ctxt, xmlXPathNewString(
|
||||
(const xmlChar *)XSLT_DEFAULT_VENDOR));
|
||||
} else
|
||||
#endif
|
||||
if (xmlStrEqual(name, (const xmlChar *)"version")) {
|
||||
valuePush(ctxt, xmlXPathNewString(
|
||||
(const xmlChar *)XSLT_DEFAULT_VERSION));
|
||||
} else if (xmlStrEqual(name, (const xmlChar *)"vendor-url")) {
|
||||
valuePush(ctxt, xmlXPathNewString(
|
||||
(const xmlChar *)XSLT_DEFAULT_URL));
|
||||
} else {
|
||||
valuePush(ctxt, xmlXPathNewString((const xmlChar *)""));
|
||||
}
|
||||
}
|
||||
if (name != NULL)
|
||||
xmlFree(name);
|
||||
if (prefix != NULL)
|
||||
xmlFree(prefix);
|
||||
}
|
||||
xmlXPathFreeObject(obj);
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltElementAvailableFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the element-available() XSLT function
|
||||
* boolean element-available(string)
|
||||
*/
|
||||
void
|
||||
xsltElementAvailableFunction(xmlXPathParserContextPtr ctxt, int nargs){
|
||||
xmlXPathObjectPtr obj;
|
||||
xmlChar *prefix, *name;
|
||||
const xmlChar *nsURI = NULL;
|
||||
xsltTransformContextPtr tctxt;
|
||||
|
||||
if (nargs != 1) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"element-available() : expects one string arg\n");
|
||||
ctxt->error = XPATH_INVALID_ARITY;
|
||||
return;
|
||||
}
|
||||
xmlXPathStringFunction(ctxt, 1);
|
||||
if ((ctxt->value == NULL) || (ctxt->value->type != XPATH_STRING)) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"element-available() : invalid arg expecting a string\n");
|
||||
ctxt->error = XPATH_INVALID_TYPE;
|
||||
return;
|
||||
}
|
||||
obj = valuePop(ctxt);
|
||||
tctxt = xsltXPathGetTransformContext(ctxt);
|
||||
if (tctxt == NULL) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"element-available() : internal error tctxt == NULL\n");
|
||||
xmlXPathFreeObject(obj);
|
||||
valuePush(ctxt, xmlXPathNewBoolean(0));
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
name = xmlSplitQName2(obj->stringval, &prefix);
|
||||
if (name == NULL) {
|
||||
xmlNsPtr ns;
|
||||
|
||||
name = xmlStrdup(obj->stringval);
|
||||
ns = xmlSearchNs(tctxt->inst->doc, tctxt->inst, NULL);
|
||||
if (ns != NULL) nsURI = xmlStrdup(ns->href);
|
||||
} else {
|
||||
nsURI = xmlXPathNsLookup(ctxt->context, prefix);
|
||||
if (nsURI == NULL) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"element-available() : prefix %s is not bound\n", prefix);
|
||||
}
|
||||
}
|
||||
|
||||
if (xsltExtElementLookup(tctxt, name, nsURI) != NULL) {
|
||||
valuePush(ctxt, xmlXPathNewBoolean(1));
|
||||
} else {
|
||||
valuePush(ctxt, xmlXPathNewBoolean(0));
|
||||
}
|
||||
|
||||
xmlXPathFreeObject(obj);
|
||||
if (name != NULL)
|
||||
xmlFree(name);
|
||||
if (prefix != NULL)
|
||||
xmlFree(prefix);
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltFunctionAvailableFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the function-available() XSLT function
|
||||
* boolean function-available(string)
|
||||
*/
|
||||
void
|
||||
xsltFunctionAvailableFunction(xmlXPathParserContextPtr ctxt, int nargs){
|
||||
xmlXPathObjectPtr obj;
|
||||
xmlChar *prefix, *name;
|
||||
const xmlChar *nsURI = NULL;
|
||||
|
||||
if (nargs != 1) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"function-available() : expects one string arg\n");
|
||||
ctxt->error = XPATH_INVALID_ARITY;
|
||||
return;
|
||||
}
|
||||
xmlXPathStringFunction(ctxt, 1);
|
||||
if ((ctxt->value == NULL) || (ctxt->value->type != XPATH_STRING)) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"function-available() : invalid arg expecting a string\n");
|
||||
ctxt->error = XPATH_INVALID_TYPE;
|
||||
return;
|
||||
}
|
||||
obj = valuePop(ctxt);
|
||||
|
||||
name = xmlSplitQName2(obj->stringval, &prefix);
|
||||
if (name == NULL) {
|
||||
name = xmlStrdup(obj->stringval);
|
||||
} else {
|
||||
nsURI = xmlXPathNsLookup(ctxt->context, prefix);
|
||||
if (nsURI == NULL) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"function-available() : prefix %s is not bound\n", prefix);
|
||||
}
|
||||
}
|
||||
|
||||
if (xmlXPathFunctionLookupNS(ctxt->context, name, nsURI) != NULL) {
|
||||
valuePush(ctxt, xmlXPathNewBoolean(1));
|
||||
} else {
|
||||
valuePush(ctxt, xmlXPathNewBoolean(0));
|
||||
}
|
||||
|
||||
xmlXPathFreeObject(obj);
|
||||
if (name != NULL)
|
||||
xmlFree(name);
|
||||
if (prefix != NULL)
|
||||
xmlFree(prefix);
|
||||
}
|
||||
|
||||
/**
|
||||
* xsltCurrentFunction:
|
||||
* @ctxt: the XPath Parser context
|
||||
* @nargs: the number of arguments
|
||||
*
|
||||
* Implement the current() XSLT function
|
||||
* node-set current()
|
||||
*/
|
||||
static void
|
||||
xsltCurrentFunction(xmlXPathParserContextPtr ctxt, int nargs){
|
||||
xsltTransformContextPtr tctxt;
|
||||
|
||||
if (nargs != 0) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"current() : function uses no argument\n");
|
||||
ctxt->error = XPATH_INVALID_ARITY;
|
||||
return;
|
||||
}
|
||||
tctxt = xsltXPathGetTransformContext(ctxt);
|
||||
if (tctxt == NULL) {
|
||||
xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
|
||||
"current() : internal error tctxt == NULL\n");
|
||||
valuePush(ctxt, xmlXPathNewNodeSet(NULL));
|
||||
} else {
|
||||
valuePush(ctxt, xmlXPathNewNodeSet(tctxt->node)); /* current */
|
||||
}
|
||||
}
|
||||
|
||||
/************************************************************************
|
||||
* *
|
||||
* Registration of XSLT and libxslt functions *
|
||||
* *
|
||||
************************************************************************/
|
||||
|
||||
/**
|
||||
* xsltRegisterAllFunctions:
|
||||
* @ctxt: the XPath context
|
||||
*
|
||||
* Registers all default XSLT functions in this context
|
||||
*/
|
||||
void
|
||||
xsltRegisterAllFunctions(xmlXPathContextPtr ctxt)
|
||||
{
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "current",
|
||||
xsltCurrentFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "document",
|
||||
xsltDocumentFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "key", xsltKeyFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "unparsed-entity-uri",
|
||||
xsltUnparsedEntityURIFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "format-number",
|
||||
xsltFormatNumberFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "generate-id",
|
||||
xsltGenerateIdFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "system-property",
|
||||
xsltSystemPropertyFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "element-available",
|
||||
xsltElementAvailableFunction);
|
||||
xmlXPathRegisterFunc(ctxt, (const xmlChar *) "function-available",
|
||||
xsltFunctionAvailableFunction);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue