mirror of
https://github.com/reactos/reactos.git
synced 2024-08-28 14:18:41 +00:00
6433 lines
181 KiB
C
6433 lines
181 KiB
C
/*
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* transform.c: Implementation of the XSL Transformation 1.0 engine
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* transform part, i.e. applying a Stylesheet to a document
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*
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* References:
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* http://www.w3.org/TR/1999/REC-xslt-19991116
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*
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* Michael Kay "XSLT Programmer's Reference" pp 637-643
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* Writing Multiple Output Files
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*
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* XSLT-1.1 Working Draft
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* http://www.w3.org/TR/xslt11#multiple-output
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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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*/
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#include "precomp.h"
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#include <libxml/debugXML.h>
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#ifdef WITH_XSLT_DEBUG
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#define WITH_XSLT_DEBUG_EXTRA
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#define WITH_XSLT_DEBUG_PROCESS
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#define WITH_XSLT_DEBUG_VARIABLE
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#endif
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#define XSLT_GENERATE_HTML_DOCTYPE
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#ifdef XSLT_GENERATE_HTML_DOCTYPE
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static int xsltGetHTMLIDs(const xmlChar *version, const xmlChar **publicID,
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const xmlChar **systemID);
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#endif
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int xsltMaxDepth = 3000;
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int xsltMaxVars = 15000;
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/*
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* Useful macros
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*/
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#ifndef FALSE
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# define FALSE (0 == 1)
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# define TRUE (!FALSE)
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#endif
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#define IS_BLANK_NODE(n) \
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(((n)->type == XML_TEXT_NODE) && (xsltIsBlank((n)->content)))
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/*
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* Forward declarations
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*/
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static xmlNsPtr
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xsltCopyNamespaceListInternal(xmlNodePtr node, xmlNsPtr cur);
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static xmlNodePtr
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xsltCopyTree(xsltTransformContextPtr ctxt, xmlNodePtr invocNode,
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xmlNodePtr node, xmlNodePtr insert, int isLRE,
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int topElemVisited);
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static void
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xsltApplySequenceConstructor(xsltTransformContextPtr ctxt,
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xmlNodePtr contextNode, xmlNodePtr list,
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xsltTemplatePtr templ);
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static void
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xsltApplyXSLTTemplate(xsltTransformContextPtr ctxt,
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xmlNodePtr contextNode,
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xmlNodePtr list,
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xsltTemplatePtr templ,
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xsltStackElemPtr withParams);
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/**
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* templPush:
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* @ctxt: the transformation context
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* @value: the template to push on the stack
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*
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* Push a template on the stack
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*
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* Returns the new index in the stack or 0 in case of error
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*/
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static int
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templPush(xsltTransformContextPtr ctxt, xsltTemplatePtr value)
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{
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if (ctxt->templMax == 0) {
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ctxt->templMax = 4;
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ctxt->templTab =
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(xsltTemplatePtr *) xmlMalloc(ctxt->templMax *
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sizeof(ctxt->templTab[0]));
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if (ctxt->templTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "malloc failed !\n");
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return (0);
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}
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}
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else if (ctxt->templNr >= ctxt->templMax) {
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ctxt->templMax *= 2;
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ctxt->templTab =
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(xsltTemplatePtr *) xmlRealloc(ctxt->templTab,
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ctxt->templMax *
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sizeof(ctxt->templTab[0]));
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if (ctxt->templTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "realloc failed !\n");
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return (0);
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}
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}
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ctxt->templTab[ctxt->templNr] = value;
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ctxt->templ = value;
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return (ctxt->templNr++);
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}
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/**
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* templPop:
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* @ctxt: the transformation context
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*
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* Pop a template value from the stack
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*
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* Returns the stored template value
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*/
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static xsltTemplatePtr
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templPop(xsltTransformContextPtr ctxt)
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{
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xsltTemplatePtr ret;
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if (ctxt->templNr <= 0)
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return (0);
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ctxt->templNr--;
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if (ctxt->templNr > 0)
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ctxt->templ = ctxt->templTab[ctxt->templNr - 1];
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else
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ctxt->templ = (xsltTemplatePtr) 0;
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ret = ctxt->templTab[ctxt->templNr];
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ctxt->templTab[ctxt->templNr] = 0;
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return (ret);
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}
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/**
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* xsltLocalVariablePop:
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* @ctxt: the transformation context
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* @limitNr: number of variables which should remain
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* @level: the depth in the xsl:template's tree
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*
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* Pops all variable values at the given @depth from the stack.
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*
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* Returns the stored variable value
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* **NOTE:**
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* This is an internal routine and should not be called by users!
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*/
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void
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xsltLocalVariablePop(xsltTransformContextPtr ctxt, int limitNr, int level)
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{
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xsltStackElemPtr variable;
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if (ctxt->varsNr <= 0)
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return;
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do {
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if (ctxt->varsNr <= limitNr)
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break;
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variable = ctxt->varsTab[ctxt->varsNr - 1];
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if (variable->level <= level)
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break;
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if (variable->level >= 0)
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xsltFreeStackElemList(variable);
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ctxt->varsNr--;
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} while (ctxt->varsNr != 0);
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if (ctxt->varsNr > 0)
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ctxt->vars = ctxt->varsTab[ctxt->varsNr - 1];
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else
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ctxt->vars = NULL;
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}
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/**
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* xsltTemplateParamsCleanup:
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*
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* Removes xsl:param and xsl:with-param items from the
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* variable-stack. Only xsl:with-param items are not freed.
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*/
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static void
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xsltTemplateParamsCleanup(xsltTransformContextPtr ctxt)
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{
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xsltStackElemPtr param;
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for (; ctxt->varsNr > ctxt->varsBase; ctxt->varsNr--) {
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param = ctxt->varsTab[ctxt->varsNr -1];
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/*
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* Free xsl:param items.
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* xsl:with-param items will have a level of -1 or -2.
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*/
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if (param->level >= 0) {
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xsltFreeStackElemList(param);
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}
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}
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if (ctxt->varsNr > 0)
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ctxt->vars = ctxt->varsTab[ctxt->varsNr - 1];
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else
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ctxt->vars = NULL;
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}
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/**
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* profPush:
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* @ctxt: the transformation context
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* @value: the profiling value to push on the stack
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*
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* Push a profiling value on the stack
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*
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* Returns the new index in the stack or 0 in case of error
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*/
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static int
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profPush(xsltTransformContextPtr ctxt, long value)
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{
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if (ctxt->profMax == 0) {
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ctxt->profMax = 4;
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ctxt->profTab =
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(long *) xmlMalloc(ctxt->profMax * sizeof(ctxt->profTab[0]));
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if (ctxt->profTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "malloc failed !\n");
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return (0);
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}
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}
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else if (ctxt->profNr >= ctxt->profMax) {
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ctxt->profMax *= 2;
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ctxt->profTab =
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(long *) xmlRealloc(ctxt->profTab,
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ctxt->profMax * sizeof(ctxt->profTab[0]));
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if (ctxt->profTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "realloc failed !\n");
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return (0);
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}
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}
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ctxt->profTab[ctxt->profNr] = value;
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ctxt->prof = value;
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return (ctxt->profNr++);
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}
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/**
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* profPop:
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* @ctxt: the transformation context
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*
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* Pop a profiling value from the stack
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*
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* Returns the stored profiling value
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*/
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static long
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profPop(xsltTransformContextPtr ctxt)
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{
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long ret;
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if (ctxt->profNr <= 0)
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return (0);
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ctxt->profNr--;
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if (ctxt->profNr > 0)
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ctxt->prof = ctxt->profTab[ctxt->profNr - 1];
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else
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ctxt->prof = (long) 0;
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ret = ctxt->profTab[ctxt->profNr];
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ctxt->profTab[ctxt->profNr] = 0;
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return (ret);
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}
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static void
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profCallgraphAdd(xsltTemplatePtr templ, xsltTemplatePtr parent)
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{
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int i;
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if (templ->templMax == 0) {
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templ->templMax = 4;
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templ->templCalledTab =
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(xsltTemplatePtr *) xmlMalloc(templ->templMax *
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sizeof(templ->templCalledTab[0]));
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templ->templCountTab =
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(int *) xmlMalloc(templ->templMax *
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sizeof(templ->templCountTab[0]));
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if (templ->templCalledTab == NULL || templ->templCountTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "malloc failed !\n");
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return;
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}
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}
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else if (templ->templNr >= templ->templMax) {
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templ->templMax *= 2;
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templ->templCalledTab =
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(xsltTemplatePtr *) xmlRealloc(templ->templCalledTab,
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templ->templMax *
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sizeof(templ->templCalledTab[0]));
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templ->templCountTab =
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(int *) xmlRealloc(templ->templCountTab,
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templ->templMax *
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sizeof(templ->templCountTab[0]));
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if (templ->templCalledTab == NULL || templ->templCountTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "realloc failed !\n");
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return;
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}
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}
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for (i = 0; i < templ->templNr; i++) {
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if (templ->templCalledTab[i] == parent) {
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templ->templCountTab[i]++;
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break;
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}
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}
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if (i == templ->templNr) {
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/* not found, add new one */
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templ->templCalledTab[templ->templNr] = parent;
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templ->templCountTab[templ->templNr] = 1;
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templ->templNr++;
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}
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}
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/**
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* xsltPreCompEval:
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* @ctxt: transform context
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* @node: context node
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* @comp: precompiled expression
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*
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* Evaluate a precompiled XPath expression.
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*/
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static xmlXPathObjectPtr
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xsltPreCompEval(xsltTransformContextPtr ctxt, xmlNodePtr node,
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xsltStylePreCompPtr comp) {
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xmlXPathObjectPtr res;
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xmlXPathContextPtr xpctxt;
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xmlNodePtr oldXPContextNode;
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xmlNsPtr *oldXPNamespaces;
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int oldXPProximityPosition, oldXPContextSize, oldXPNsNr;
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xpctxt = ctxt->xpathCtxt;
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oldXPContextNode = xpctxt->node;
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oldXPProximityPosition = xpctxt->proximityPosition;
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oldXPContextSize = xpctxt->contextSize;
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oldXPNsNr = xpctxt->nsNr;
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oldXPNamespaces = xpctxt->namespaces;
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xpctxt->node = node;
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#ifdef XSLT_REFACTORED
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if (comp->inScopeNs != NULL) {
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xpctxt->namespaces = comp->inScopeNs->list;
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xpctxt->nsNr = comp->inScopeNs->xpathNumber;
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} else {
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xpctxt->namespaces = NULL;
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xpctxt->nsNr = 0;
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}
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#else
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xpctxt->namespaces = comp->nsList;
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xpctxt->nsNr = comp->nsNr;
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#endif
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res = xmlXPathCompiledEval(comp->comp, xpctxt);
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xpctxt->node = oldXPContextNode;
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xpctxt->proximityPosition = oldXPProximityPosition;
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xpctxt->contextSize = oldXPContextSize;
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xpctxt->nsNr = oldXPNsNr;
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xpctxt->namespaces = oldXPNamespaces;
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return(res);
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}
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/**
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* xsltPreCompEvalToBoolean:
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* @ctxt: transform context
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* @node: context node
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* @comp: precompiled expression
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*
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* Evaluate a precompiled XPath expression as boolean.
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*/
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static int
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xsltPreCompEvalToBoolean(xsltTransformContextPtr ctxt, xmlNodePtr node,
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xsltStylePreCompPtr comp) {
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int res;
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xmlXPathContextPtr xpctxt;
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xmlNodePtr oldXPContextNode;
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xmlNsPtr *oldXPNamespaces;
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int oldXPProximityPosition, oldXPContextSize, oldXPNsNr;
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xpctxt = ctxt->xpathCtxt;
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oldXPContextNode = xpctxt->node;
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oldXPProximityPosition = xpctxt->proximityPosition;
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oldXPContextSize = xpctxt->contextSize;
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oldXPNsNr = xpctxt->nsNr;
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oldXPNamespaces = xpctxt->namespaces;
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xpctxt->node = node;
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#ifdef XSLT_REFACTORED
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if (comp->inScopeNs != NULL) {
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xpctxt->namespaces = comp->inScopeNs->list;
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xpctxt->nsNr = comp->inScopeNs->xpathNumber;
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} else {
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xpctxt->namespaces = NULL;
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xpctxt->nsNr = 0;
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}
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#else
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xpctxt->namespaces = comp->nsList;
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xpctxt->nsNr = comp->nsNr;
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#endif
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res = xmlXPathCompiledEvalToBoolean(comp->comp, xpctxt);
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xpctxt->node = oldXPContextNode;
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xpctxt->proximityPosition = oldXPProximityPosition;
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xpctxt->contextSize = oldXPContextSize;
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xpctxt->nsNr = oldXPNsNr;
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xpctxt->namespaces = oldXPNamespaces;
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return(res);
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}
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/************************************************************************
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* *
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* XInclude default settings *
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* *
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************************************************************************/
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static int xsltDoXIncludeDefault = 0;
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/**
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* xsltSetXIncludeDefault:
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* @xinclude: whether to do XInclude processing
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*
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* Set whether XInclude should be processed on document being loaded by default
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*/
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void
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xsltSetXIncludeDefault(int xinclude) {
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xsltDoXIncludeDefault = (xinclude != 0);
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}
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/**
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* xsltGetXIncludeDefault:
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*
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* Provides the default state for XInclude processing
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*
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* Returns 0 if there is no processing 1 otherwise
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*/
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int
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xsltGetXIncludeDefault(void) {
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return(xsltDoXIncludeDefault);
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}
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static unsigned long xsltDefaultTrace = (unsigned long) XSLT_TRACE_ALL;
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/**
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* xsltDebugSetDefaultTrace:
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* @val: tracing level mask
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*
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* Set the default debug tracing level mask
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*/
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void xsltDebugSetDefaultTrace(xsltDebugTraceCodes val) {
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xsltDefaultTrace = val;
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}
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/**
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* xsltDebugGetDefaultTrace:
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*
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* Get the current default debug tracing level mask
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*
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* Returns the current default debug tracing level mask
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*/
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xsltDebugTraceCodes xsltDebugGetDefaultTrace() {
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return xsltDefaultTrace;
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}
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/************************************************************************
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* *
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* Handling of Transformation Contexts *
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* *
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************************************************************************/
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static xsltTransformCachePtr
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xsltTransformCacheCreate(void)
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{
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xsltTransformCachePtr ret;
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ret = (xsltTransformCachePtr) xmlMalloc(sizeof(xsltTransformCache));
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if (ret == NULL) {
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xsltTransformError(NULL, NULL, NULL,
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"xsltTransformCacheCreate : malloc failed\n");
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return(NULL);
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}
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memset(ret, 0, sizeof(xsltTransformCache));
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return(ret);
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}
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static void
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xsltTransformCacheFree(xsltTransformCachePtr cache)
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{
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if (cache == NULL)
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return;
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/*
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* Free tree fragments.
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*/
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if (cache->RVT) {
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xmlDocPtr tmp, cur = cache->RVT;
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while (cur) {
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tmp = cur;
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cur = (xmlDocPtr) cur->next;
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if (tmp->_private != NULL) {
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/*
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* Tree the document info.
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*/
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xsltFreeDocumentKeys((xsltDocumentPtr) tmp->_private);
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xmlFree(tmp->_private);
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}
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xmlFreeDoc(tmp);
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}
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}
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/*
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* Free vars/params.
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*/
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if (cache->stackItems) {
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xsltStackElemPtr tmp, cur = cache->stackItems;
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while (cur) {
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tmp = cur;
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cur = cur->next;
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/*
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* REVISIT TODO: Should be call a destruction-function
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* instead?
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*/
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xmlFree(tmp);
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}
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}
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xmlFree(cache);
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}
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|
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/**
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* xsltNewTransformContext:
|
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* @style: a parsed XSLT stylesheet
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|
* @doc: the input document
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|
*
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* Create a new XSLT TransformContext
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*
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* Returns the newly allocated xsltTransformContextPtr or NULL in case of error
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*/
|
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xsltTransformContextPtr
|
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xsltNewTransformContext(xsltStylesheetPtr style, xmlDocPtr doc) {
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xsltTransformContextPtr cur;
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xsltDocumentPtr docu;
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int i;
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xsltInitGlobals();
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cur = (xsltTransformContextPtr) xmlMalloc(sizeof(xsltTransformContext));
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if (cur == NULL) {
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xsltTransformError(NULL, NULL, (xmlNodePtr)doc,
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"xsltNewTransformContext : malloc failed\n");
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return(NULL);
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}
|
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memset(cur, 0, sizeof(xsltTransformContext));
|
|
|
|
cur->cache = xsltTransformCacheCreate();
|
|
if (cur->cache == NULL)
|
|
goto internal_err;
|
|
/*
|
|
* setup of the dictionary must be done early as some of the
|
|
* processing later like key handling may need it.
|
|
*/
|
|
cur->dict = xmlDictCreateSub(style->dict);
|
|
cur->internalized = ((style->internalized) && (cur->dict != NULL));
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"Creating sub-dictionary from stylesheet for transformation\n");
|
|
#endif
|
|
|
|
/*
|
|
* initialize the template stack
|
|
*/
|
|
cur->templTab = (xsltTemplatePtr *)
|
|
xmlMalloc(10 * sizeof(xsltTemplatePtr));
|
|
if (cur->templTab == NULL) {
|
|
xsltTransformError(NULL, NULL, (xmlNodePtr) doc,
|
|
"xsltNewTransformContext: out of memory\n");
|
|
goto internal_err;
|
|
}
|
|
cur->templNr = 0;
|
|
cur->templMax = 5;
|
|
cur->templ = NULL;
|
|
cur->maxTemplateDepth = xsltMaxDepth;
|
|
|
|
/*
|
|
* initialize the variables stack
|
|
*/
|
|
cur->varsTab = (xsltStackElemPtr *)
|
|
xmlMalloc(10 * sizeof(xsltStackElemPtr));
|
|
if (cur->varsTab == NULL) {
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xsltNewTransformContext: out of memory\n");
|
|
goto internal_err;
|
|
}
|
|
cur->varsNr = 0;
|
|
cur->varsMax = 10;
|
|
cur->vars = NULL;
|
|
cur->varsBase = 0;
|
|
cur->maxTemplateVars = xsltMaxVars;
|
|
|
|
/*
|
|
* the profiling stack is not initialized by default
|
|
*/
|
|
cur->profTab = NULL;
|
|
cur->profNr = 0;
|
|
cur->profMax = 0;
|
|
cur->prof = 0;
|
|
|
|
cur->style = style;
|
|
xmlXPathInit();
|
|
cur->xpathCtxt = xmlXPathNewContext(doc);
|
|
if (cur->xpathCtxt == NULL) {
|
|
xsltTransformError(NULL, NULL, (xmlNodePtr) doc,
|
|
"xsltNewTransformContext : xmlXPathNewContext failed\n");
|
|
goto internal_err;
|
|
}
|
|
/*
|
|
* Create an XPath cache.
|
|
*/
|
|
if (xmlXPathContextSetCache(cur->xpathCtxt, 1, -1, 0) == -1)
|
|
goto internal_err;
|
|
/*
|
|
* Initialize the extras array
|
|
*/
|
|
if (style->extrasNr != 0) {
|
|
cur->extrasMax = style->extrasNr + 20;
|
|
cur->extras = (xsltRuntimeExtraPtr)
|
|
xmlMalloc(cur->extrasMax * sizeof(xsltRuntimeExtra));
|
|
if (cur->extras == NULL) {
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xsltNewTransformContext: out of memory\n");
|
|
goto internal_err;
|
|
}
|
|
cur->extrasNr = style->extrasNr;
|
|
for (i = 0;i < cur->extrasMax;i++) {
|
|
cur->extras[i].info = NULL;
|
|
cur->extras[i].deallocate = NULL;
|
|
cur->extras[i].val.ptr = NULL;
|
|
}
|
|
} else {
|
|
cur->extras = NULL;
|
|
cur->extrasNr = 0;
|
|
cur->extrasMax = 0;
|
|
}
|
|
|
|
XSLT_REGISTER_VARIABLE_LOOKUP(cur);
|
|
XSLT_REGISTER_FUNCTION_LOOKUP(cur);
|
|
cur->xpathCtxt->nsHash = style->nsHash;
|
|
/*
|
|
* Initialize the registered external modules
|
|
*/
|
|
xsltInitCtxtExts(cur);
|
|
/*
|
|
* Setup document element ordering for later efficiencies
|
|
* (bug 133289)
|
|
*/
|
|
if (xslDebugStatus == XSLT_DEBUG_NONE)
|
|
xmlXPathOrderDocElems(doc);
|
|
/*
|
|
* Must set parserOptions before calling xsltNewDocument
|
|
* (bug 164530)
|
|
*/
|
|
cur->parserOptions = XSLT_PARSE_OPTIONS;
|
|
docu = xsltNewDocument(cur, doc);
|
|
if (docu == NULL) {
|
|
xsltTransformError(cur, NULL, (xmlNodePtr)doc,
|
|
"xsltNewTransformContext : xsltNewDocument failed\n");
|
|
goto internal_err;
|
|
}
|
|
docu->main = 1;
|
|
cur->document = docu;
|
|
cur->inst = NULL;
|
|
cur->outputFile = NULL;
|
|
cur->sec = xsltGetDefaultSecurityPrefs();
|
|
cur->debugStatus = xslDebugStatus;
|
|
cur->traceCode = (unsigned long*) &xsltDefaultTrace;
|
|
cur->xinclude = xsltGetXIncludeDefault();
|
|
cur->keyInitLevel = 0;
|
|
|
|
return(cur);
|
|
|
|
internal_err:
|
|
if (cur != NULL)
|
|
xsltFreeTransformContext(cur);
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xsltFreeTransformContext:
|
|
* @ctxt: an XSLT parser context
|
|
*
|
|
* Free up the memory allocated by @ctxt
|
|
*/
|
|
void
|
|
xsltFreeTransformContext(xsltTransformContextPtr ctxt) {
|
|
if (ctxt == NULL)
|
|
return;
|
|
|
|
/*
|
|
* Shutdown the extension modules associated to the stylesheet
|
|
* used if needed.
|
|
*/
|
|
xsltShutdownCtxtExts(ctxt);
|
|
|
|
if (ctxt->xpathCtxt != NULL) {
|
|
ctxt->xpathCtxt->nsHash = NULL;
|
|
xmlXPathFreeContext(ctxt->xpathCtxt);
|
|
}
|
|
if (ctxt->templTab != NULL)
|
|
xmlFree(ctxt->templTab);
|
|
if (ctxt->varsTab != NULL)
|
|
xmlFree(ctxt->varsTab);
|
|
if (ctxt->profTab != NULL)
|
|
xmlFree(ctxt->profTab);
|
|
if ((ctxt->extrasNr > 0) && (ctxt->extras != NULL)) {
|
|
int i;
|
|
|
|
for (i = 0;i < ctxt->extrasNr;i++) {
|
|
if ((ctxt->extras[i].deallocate != NULL) &&
|
|
(ctxt->extras[i].info != NULL))
|
|
ctxt->extras[i].deallocate(ctxt->extras[i].info);
|
|
}
|
|
xmlFree(ctxt->extras);
|
|
}
|
|
xsltFreeGlobalVariables(ctxt);
|
|
xsltFreeDocuments(ctxt);
|
|
xsltFreeCtxtExts(ctxt);
|
|
xsltFreeRVTs(ctxt);
|
|
xsltTransformCacheFree(ctxt->cache);
|
|
xmlDictFree(ctxt->dict);
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"freeing transformation dictionary\n");
|
|
#endif
|
|
memset(ctxt, -1, sizeof(xsltTransformContext));
|
|
xmlFree(ctxt);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Copy of Nodes in an XSLT fashion *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xsltAddChild:
|
|
* @parent: the parent node
|
|
* @cur: the child node
|
|
*
|
|
* Wrapper version of xmlAddChild with a more consistent behaviour on
|
|
* error. One expect the use to be child = xsltAddChild(parent, child);
|
|
* and the routine will take care of not leaking on errors or node merge
|
|
*
|
|
* Returns the child is successfully attached or NULL if merged or freed
|
|
*/
|
|
static xmlNodePtr
|
|
xsltAddChild(xmlNodePtr parent, xmlNodePtr cur) {
|
|
xmlNodePtr ret;
|
|
|
|
if (cur == NULL)
|
|
return(NULL);
|
|
if (parent == NULL) {
|
|
xmlFreeNode(cur);
|
|
return(NULL);
|
|
}
|
|
ret = xmlAddChild(parent, cur);
|
|
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xsltAddTextString:
|
|
* @ctxt: a XSLT process context
|
|
* @target: the text node where the text will be attached
|
|
* @string: the text string
|
|
* @len: the string length in byte
|
|
*
|
|
* Extend the current text node with the new string, it handles coalescing
|
|
*
|
|
* Returns: the text node
|
|
*/
|
|
static xmlNodePtr
|
|
xsltAddTextString(xsltTransformContextPtr ctxt, xmlNodePtr target,
|
|
const xmlChar *string, int len) {
|
|
/*
|
|
* optimization
|
|
*/
|
|
if ((len <= 0) || (string == NULL) || (target == NULL))
|
|
return(target);
|
|
|
|
if (ctxt->lasttext == target->content) {
|
|
int minSize;
|
|
|
|
/* Check for integer overflow accounting for NUL terminator. */
|
|
if (len >= INT_MAX - ctxt->lasttuse) {
|
|
xsltTransformError(ctxt, NULL, target,
|
|
"xsltCopyText: text allocation failed\n");
|
|
return(NULL);
|
|
}
|
|
minSize = ctxt->lasttuse + len + 1;
|
|
|
|
if (ctxt->lasttsize < minSize) {
|
|
xmlChar *newbuf;
|
|
int size;
|
|
int extra;
|
|
|
|
/* Double buffer size but increase by at least 100 bytes. */
|
|
extra = minSize < 100 ? 100 : minSize;
|
|
|
|
/* Check for integer overflow. */
|
|
if (extra > INT_MAX - ctxt->lasttsize) {
|
|
size = INT_MAX;
|
|
}
|
|
else {
|
|
size = ctxt->lasttsize + extra;
|
|
}
|
|
|
|
newbuf = (xmlChar *) xmlRealloc(target->content,size);
|
|
if (newbuf == NULL) {
|
|
xsltTransformError(ctxt, NULL, target,
|
|
"xsltCopyText: text allocation failed\n");
|
|
return(NULL);
|
|
}
|
|
ctxt->lasttsize = size;
|
|
ctxt->lasttext = newbuf;
|
|
target->content = newbuf;
|
|
}
|
|
memcpy(&(target->content[ctxt->lasttuse]), string, len);
|
|
ctxt->lasttuse += len;
|
|
target->content[ctxt->lasttuse] = 0;
|
|
} else {
|
|
xmlNodeAddContent(target, string);
|
|
ctxt->lasttext = target->content;
|
|
len = xmlStrlen(target->content);
|
|
ctxt->lasttsize = len;
|
|
ctxt->lasttuse = len;
|
|
}
|
|
return(target);
|
|
}
|
|
|
|
/**
|
|
* xsltCopyTextString:
|
|
* @ctxt: a XSLT process context
|
|
* @target: the element where the text will be attached
|
|
* @string: the text string
|
|
* @noescape: should disable-escaping be activated for this text node.
|
|
*
|
|
* Adds @string to a newly created or an existent text node child of
|
|
* @target.
|
|
*
|
|
* Returns: the text node, where the text content of @cur is copied to.
|
|
* NULL in case of API or internal errors.
|
|
*/
|
|
xmlNodePtr
|
|
xsltCopyTextString(xsltTransformContextPtr ctxt, xmlNodePtr target,
|
|
const xmlChar *string, int noescape)
|
|
{
|
|
xmlNodePtr copy;
|
|
int len;
|
|
|
|
if (string == NULL)
|
|
return(NULL);
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_TEXT,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyTextString: copy text %s\n",
|
|
string));
|
|
#endif
|
|
|
|
/*
|
|
* Play safe and reset the merging mechanism for every new
|
|
* target node.
|
|
*/
|
|
if ((target == NULL) || (target->children == NULL)) {
|
|
ctxt->lasttext = NULL;
|
|
}
|
|
|
|
/* handle coalescing of text nodes here */
|
|
len = xmlStrlen(string);
|
|
if ((ctxt->type == XSLT_OUTPUT_XML) &&
|
|
(ctxt->style->cdataSection != NULL) &&
|
|
(target != NULL) &&
|
|
(target->type == XML_ELEMENT_NODE) &&
|
|
(((target->ns == NULL) &&
|
|
(xmlHashLookup2(ctxt->style->cdataSection,
|
|
target->name, NULL) != NULL)) ||
|
|
((target->ns != NULL) &&
|
|
(xmlHashLookup2(ctxt->style->cdataSection,
|
|
target->name, target->ns->href) != NULL))))
|
|
{
|
|
/*
|
|
* Process "cdata-section-elements".
|
|
*/
|
|
if ((target->last != NULL) &&
|
|
(target->last->type == XML_CDATA_SECTION_NODE))
|
|
{
|
|
return(xsltAddTextString(ctxt, target->last, string, len));
|
|
}
|
|
copy = xmlNewCDataBlock(ctxt->output, string, len);
|
|
} else if (noescape) {
|
|
/*
|
|
* Process "disable-output-escaping".
|
|
*/
|
|
if ((target != NULL) && (target->last != NULL) &&
|
|
(target->last->type == XML_TEXT_NODE) &&
|
|
(target->last->name == xmlStringTextNoenc))
|
|
{
|
|
return(xsltAddTextString(ctxt, target->last, string, len));
|
|
}
|
|
copy = xmlNewTextLen(string, len);
|
|
if (copy != NULL)
|
|
copy->name = xmlStringTextNoenc;
|
|
} else {
|
|
/*
|
|
* Default processing.
|
|
*/
|
|
if ((target != NULL) && (target->last != NULL) &&
|
|
(target->last->type == XML_TEXT_NODE) &&
|
|
(target->last->name == xmlStringText)) {
|
|
return(xsltAddTextString(ctxt, target->last, string, len));
|
|
}
|
|
copy = xmlNewTextLen(string, len);
|
|
}
|
|
if (copy != NULL && target != NULL)
|
|
copy = xsltAddChild(target, copy);
|
|
if (copy != NULL) {
|
|
ctxt->lasttext = copy->content;
|
|
ctxt->lasttsize = len;
|
|
ctxt->lasttuse = len;
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, target,
|
|
"xsltCopyTextString: text copy failed\n");
|
|
ctxt->lasttext = NULL;
|
|
}
|
|
return(copy);
|
|
}
|
|
|
|
/**
|
|
* xsltCopyText:
|
|
* @ctxt: a XSLT process context
|
|
* @target: the element where the text will be attached
|
|
* @cur: the text or CDATA node
|
|
* @interned: the string is in the target doc dictionary
|
|
*
|
|
* Copy the text content of @cur and append it to @target's children.
|
|
*
|
|
* Returns: the text node, where the text content of @cur is copied to.
|
|
* NULL in case of API or internal errors.
|
|
*/
|
|
static xmlNodePtr
|
|
xsltCopyText(xsltTransformContextPtr ctxt, xmlNodePtr target,
|
|
xmlNodePtr cur, int interned)
|
|
{
|
|
xmlNodePtr copy;
|
|
|
|
if ((cur->type != XML_TEXT_NODE) &&
|
|
(cur->type != XML_CDATA_SECTION_NODE))
|
|
return(NULL);
|
|
if (cur->content == NULL)
|
|
return(NULL);
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (cur->type == XML_CDATA_SECTION_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_TEXT,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyText: copy CDATA text %s\n",
|
|
cur->content));
|
|
} else if (cur->name == xmlStringTextNoenc) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_TEXT,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyText: copy unescaped text %s\n",
|
|
cur->content));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_TEXT,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyText: copy text %s\n",
|
|
cur->content));
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Play save and reset the merging mechanism for every new
|
|
* target node.
|
|
*/
|
|
if ((target == NULL) || (target->children == NULL)) {
|
|
ctxt->lasttext = NULL;
|
|
}
|
|
|
|
if ((ctxt->style->cdataSection != NULL) &&
|
|
(ctxt->type == XSLT_OUTPUT_XML) &&
|
|
(target != NULL) &&
|
|
(target->type == XML_ELEMENT_NODE) &&
|
|
(((target->ns == NULL) &&
|
|
(xmlHashLookup2(ctxt->style->cdataSection,
|
|
target->name, NULL) != NULL)) ||
|
|
((target->ns != NULL) &&
|
|
(xmlHashLookup2(ctxt->style->cdataSection,
|
|
target->name, target->ns->href) != NULL))))
|
|
{
|
|
/*
|
|
* Process "cdata-section-elements".
|
|
*/
|
|
/*
|
|
* OPTIMIZE TODO: xsltCopyText() is also used for attribute content.
|
|
*/
|
|
/*
|
|
* TODO: Since this doesn't merge adjacent CDATA-section nodes,
|
|
* we'll get: <![CDATA[x]]><!CDATA[y]]>.
|
|
* TODO: Reported in #321505.
|
|
*/
|
|
if ((target->last != NULL) &&
|
|
(target->last->type == XML_CDATA_SECTION_NODE))
|
|
{
|
|
/*
|
|
* Append to existing CDATA-section node.
|
|
*/
|
|
copy = xsltAddTextString(ctxt, target->last, cur->content,
|
|
xmlStrlen(cur->content));
|
|
goto exit;
|
|
} else {
|
|
unsigned int len;
|
|
|
|
len = xmlStrlen(cur->content);
|
|
copy = xmlNewCDataBlock(ctxt->output, cur->content, len);
|
|
if (copy == NULL)
|
|
goto exit;
|
|
ctxt->lasttext = copy->content;
|
|
ctxt->lasttsize = len;
|
|
ctxt->lasttuse = len;
|
|
}
|
|
} else if ((target != NULL) &&
|
|
(target->last != NULL) &&
|
|
/* both escaped or both non-escaped text-nodes */
|
|
(((target->last->type == XML_TEXT_NODE) &&
|
|
(target->last->name == cur->name)) ||
|
|
/* non-escaped text nodes and CDATA-section nodes */
|
|
(((target->last->type == XML_CDATA_SECTION_NODE) &&
|
|
(cur->name == xmlStringTextNoenc)))))
|
|
{
|
|
/*
|
|
* we are appending to an existing text node
|
|
*/
|
|
copy = xsltAddTextString(ctxt, target->last, cur->content,
|
|
xmlStrlen(cur->content));
|
|
goto exit;
|
|
} else if ((interned) && (target != NULL) &&
|
|
(target->doc != NULL) &&
|
|
(target->doc->dict == ctxt->dict))
|
|
{
|
|
/*
|
|
* TODO: DO we want to use this also for "text" output?
|
|
*/
|
|
copy = xmlNewTextLen(NULL, 0);
|
|
if (copy == NULL)
|
|
goto exit;
|
|
if (cur->name == xmlStringTextNoenc)
|
|
copy->name = xmlStringTextNoenc;
|
|
|
|
/*
|
|
* Must confirm that content is in dict (bug 302821)
|
|
* TODO: This check should be not needed for text coming
|
|
* from the stylesheets
|
|
*/
|
|
if (xmlDictOwns(ctxt->dict, cur->content))
|
|
copy->content = cur->content;
|
|
else {
|
|
if ((copy->content = xmlStrdup(cur->content)) == NULL)
|
|
return NULL;
|
|
}
|
|
} else {
|
|
/*
|
|
* normal processing. keep counters to extend the text node
|
|
* in xsltAddTextString if needed.
|
|
*/
|
|
unsigned int len;
|
|
|
|
len = xmlStrlen(cur->content);
|
|
copy = xmlNewTextLen(cur->content, len);
|
|
if (copy == NULL)
|
|
goto exit;
|
|
if (cur->name == xmlStringTextNoenc)
|
|
copy->name = xmlStringTextNoenc;
|
|
ctxt->lasttext = copy->content;
|
|
ctxt->lasttsize = len;
|
|
ctxt->lasttuse = len;
|
|
}
|
|
if (copy != NULL) {
|
|
if (target != NULL) {
|
|
copy->doc = target->doc;
|
|
/*
|
|
* MAYBE TODO: Maybe we should reset the ctxt->lasttext here
|
|
* to ensure that the optimized text-merging mechanism
|
|
* won't interfere with normal node-merging in any case.
|
|
*/
|
|
copy = xsltAddChild(target, copy);
|
|
}
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, target,
|
|
"xsltCopyText: text copy failed\n");
|
|
}
|
|
|
|
exit:
|
|
if ((copy == NULL) || (copy->content == NULL)) {
|
|
xsltTransformError(ctxt, NULL, target,
|
|
"Internal error in xsltCopyText(): "
|
|
"Failed to copy the string.\n");
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
}
|
|
return(copy);
|
|
}
|
|
|
|
/**
|
|
* xsltShallowCopyAttr:
|
|
* @ctxt: a XSLT process context
|
|
* @invocNode: responsible node in the stylesheet; used for error reports
|
|
* @target: the element where the attribute will be grafted
|
|
* @attr: the attribute to be copied
|
|
*
|
|
* Do a copy of an attribute.
|
|
* Called by:
|
|
* - xsltCopyTree()
|
|
* - xsltCopyOf()
|
|
* - xsltCopy()
|
|
*
|
|
* Returns: a new xmlAttrPtr, or NULL in case of error.
|
|
*/
|
|
static xmlAttrPtr
|
|
xsltShallowCopyAttr(xsltTransformContextPtr ctxt, xmlNodePtr invocNode,
|
|
xmlNodePtr target, xmlAttrPtr attr)
|
|
{
|
|
xmlAttrPtr copy;
|
|
xmlChar *value;
|
|
|
|
if (attr == NULL)
|
|
return(NULL);
|
|
|
|
if (target->type != XML_ELEMENT_NODE) {
|
|
xsltTransformError(ctxt, NULL, invocNode,
|
|
"Cannot add an attribute node to a non-element node.\n");
|
|
return(NULL);
|
|
}
|
|
|
|
if (target->children != NULL) {
|
|
xsltTransformError(ctxt, NULL, invocNode,
|
|
"Attribute nodes must be added before "
|
|
"any child nodes to an element.\n");
|
|
return(NULL);
|
|
}
|
|
|
|
value = xmlNodeListGetString(attr->doc, attr->children, 1);
|
|
if (attr->ns != NULL) {
|
|
xmlNsPtr ns;
|
|
|
|
ns = xsltGetSpecialNamespace(ctxt, invocNode,
|
|
attr->ns->href, attr->ns->prefix, target);
|
|
if (ns == NULL) {
|
|
xsltTransformError(ctxt, NULL, invocNode,
|
|
"Namespace fixup error: Failed to acquire an in-scope "
|
|
"namespace binding of the copied attribute '{%s}%s'.\n",
|
|
attr->ns->href, attr->name);
|
|
/*
|
|
* TODO: Should we just stop here?
|
|
*/
|
|
}
|
|
/*
|
|
* Note that xmlSetNsProp() will take care of duplicates
|
|
* and assigns the new namespace even to a duplicate.
|
|
*/
|
|
copy = xmlSetNsProp(target, ns, attr->name, value);
|
|
} else {
|
|
copy = xmlSetNsProp(target, NULL, attr->name, value);
|
|
}
|
|
if (value != NULL)
|
|
xmlFree(value);
|
|
|
|
if (copy == NULL)
|
|
return(NULL);
|
|
|
|
#if 0
|
|
/*
|
|
* NOTE: This was optimized according to bug #342695.
|
|
* TODO: Can this further be optimized, if source and target
|
|
* share the same dict and attr->children is just 1 text node
|
|
* which is in the dict? How probable is such a case?
|
|
*/
|
|
/*
|
|
* TODO: Do we need to create an empty text node if the value
|
|
* is the empty string?
|
|
*/
|
|
value = xmlNodeListGetString(attr->doc, attr->children, 1);
|
|
if (value != NULL) {
|
|
txtNode = xmlNewDocText(target->doc, NULL);
|
|
if (txtNode == NULL)
|
|
return(NULL);
|
|
if ((target->doc != NULL) &&
|
|
(target->doc->dict != NULL))
|
|
{
|
|
txtNode->content =
|
|
(xmlChar *) xmlDictLookup(target->doc->dict,
|
|
BAD_CAST value, -1);
|
|
xmlFree(value);
|
|
} else
|
|
txtNode->content = value;
|
|
copy->children = txtNode;
|
|
}
|
|
#endif
|
|
|
|
return(copy);
|
|
}
|
|
|
|
/**
|
|
* xsltCopyAttrListNoOverwrite:
|
|
* @ctxt: a XSLT process context
|
|
* @invocNode: responsible node in the stylesheet; used for error reports
|
|
* @target: the element where the new attributes will be grafted
|
|
* @attr: the first attribute in the list to be copied
|
|
*
|
|
* Copies a list of attribute nodes, starting with @attr, over to the
|
|
* @target element node.
|
|
*
|
|
* Called by:
|
|
* - xsltCopyTree()
|
|
*
|
|
* Returns 0 on success and -1 on errors and internal errors.
|
|
*/
|
|
static int
|
|
xsltCopyAttrListNoOverwrite(xsltTransformContextPtr ctxt,
|
|
xmlNodePtr invocNode,
|
|
xmlNodePtr target, xmlAttrPtr attr)
|
|
{
|
|
xmlAttrPtr copy;
|
|
xmlNsPtr origNs = NULL, copyNs = NULL;
|
|
xmlChar *value;
|
|
|
|
/*
|
|
* Don't use xmlCopyProp() here, since it will try to
|
|
* reconciliate namespaces.
|
|
*/
|
|
while (attr != NULL) {
|
|
/*
|
|
* Find a namespace node in the tree of @target.
|
|
* Avoid searching for the same ns.
|
|
*/
|
|
if (attr->ns != origNs) {
|
|
origNs = attr->ns;
|
|
if (attr->ns != NULL) {
|
|
copyNs = xsltGetSpecialNamespace(ctxt, invocNode,
|
|
attr->ns->href, attr->ns->prefix, target);
|
|
if (copyNs == NULL)
|
|
return(-1);
|
|
} else
|
|
copyNs = NULL;
|
|
}
|
|
/*
|
|
* If attribute has a value, we need to copy it (watching out
|
|
* for possible entities)
|
|
*/
|
|
if ((attr->children) && (attr->children->type == XML_TEXT_NODE) &&
|
|
(attr->children->next == NULL)) {
|
|
copy = xmlNewNsProp(target, copyNs, attr->name,
|
|
attr->children->content);
|
|
} else if (attr->children != NULL) {
|
|
value = xmlNodeListGetString(attr->doc, attr->children, 1);
|
|
copy = xmlNewNsProp(target, copyNs, attr->name, BAD_CAST value);
|
|
xmlFree(value);
|
|
} else {
|
|
copy = xmlNewNsProp(target, copyNs, attr->name, NULL);
|
|
}
|
|
|
|
if (copy == NULL)
|
|
return(-1);
|
|
|
|
attr = attr->next;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xsltShallowCopyElem:
|
|
* @ctxt: the XSLT process context
|
|
* @node: the element node in the source tree
|
|
* or the Literal Result Element
|
|
* @insert: the parent in the result tree
|
|
* @isLRE: if @node is a Literal Result Element
|
|
*
|
|
* Make a copy of the element node @node
|
|
* and insert it as last child of @insert.
|
|
*
|
|
* URGENT TODO: The problem with this one (for the non-refactored code)
|
|
* is that it is used for both, Literal Result Elements *and*
|
|
* copying input nodes.
|
|
*
|
|
* BIG NOTE: This is only called for XML_ELEMENT_NODEs.
|
|
*
|
|
* Called from:
|
|
* xsltApplySequenceConstructor()
|
|
* (for Literal Result Elements - which is a problem)
|
|
* xsltCopy() (for shallow-copying elements via xsl:copy)
|
|
*
|
|
* Returns a pointer to the new node, or NULL in case of error
|
|
*/
|
|
static xmlNodePtr
|
|
xsltShallowCopyElem(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr insert, int isLRE)
|
|
{
|
|
xmlNodePtr copy;
|
|
|
|
if ((node->type == XML_DTD_NODE) || (insert == NULL))
|
|
return(NULL);
|
|
if ((node->type == XML_TEXT_NODE) ||
|
|
(node->type == XML_CDATA_SECTION_NODE))
|
|
return(xsltCopyText(ctxt, insert, node, 0));
|
|
|
|
copy = xmlDocCopyNode(node, insert->doc, 0);
|
|
if (copy != NULL) {
|
|
copy->doc = ctxt->output;
|
|
copy = xsltAddChild(insert, copy);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, node,
|
|
"xsltShallowCopyElem: copy failed\n");
|
|
return (copy);
|
|
}
|
|
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
/*
|
|
* Add namespaces as they are needed
|
|
*/
|
|
if (node->nsDef != NULL) {
|
|
/*
|
|
* TODO: Remove the LRE case in the refactored code
|
|
* gets enabled.
|
|
*/
|
|
if (isLRE)
|
|
xsltCopyNamespaceList(ctxt, copy, node->nsDef);
|
|
else
|
|
xsltCopyNamespaceListInternal(copy, node->nsDef);
|
|
}
|
|
|
|
/*
|
|
* URGENT TODO: The problem with this is that it does not
|
|
* copy over all namespace nodes in scope.
|
|
* The damn thing about this is, that we would need to
|
|
* use the xmlGetNsList(), for every single node; this is
|
|
* also done in xsltCopyTree(), but only for the top node.
|
|
*/
|
|
if (node->ns != NULL) {
|
|
if (isLRE) {
|
|
/*
|
|
* REVISIT TODO: Since the non-refactored code still does
|
|
* ns-aliasing, we need to call xsltGetNamespace() here.
|
|
* Remove this when ready.
|
|
*/
|
|
copy->ns = xsltGetNamespace(ctxt, node, node->ns, copy);
|
|
} else {
|
|
copy->ns = xsltGetSpecialNamespace(ctxt,
|
|
node, node->ns->href, node->ns->prefix, copy);
|
|
|
|
}
|
|
} else if ((insert->type == XML_ELEMENT_NODE) &&
|
|
(insert->ns != NULL))
|
|
{
|
|
/*
|
|
* "Undeclare" the default namespace.
|
|
*/
|
|
xsltGetSpecialNamespace(ctxt, node, NULL, NULL, copy);
|
|
}
|
|
}
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, node,
|
|
"xsltShallowCopyElem: copy %s failed\n", node->name);
|
|
}
|
|
return(copy);
|
|
}
|
|
|
|
/**
|
|
* xsltCopyTreeList:
|
|
* @ctxt: a XSLT process context
|
|
* @invocNode: responsible node in the stylesheet; used for error reports
|
|
* @list: the list of element nodes in the source tree.
|
|
* @insert: the parent in the result tree.
|
|
* @isLRE: is this a literal result element list
|
|
* @topElemVisited: indicates if a top-most element was already processed
|
|
*
|
|
* Make a copy of the full list of tree @list
|
|
* and insert it as last children of @insert
|
|
*
|
|
* NOTE: Not to be used for Literal Result Elements.
|
|
*
|
|
* Used by:
|
|
* - xsltCopyOf()
|
|
*
|
|
* Returns a pointer to the new list, or NULL in case of error
|
|
*/
|
|
static xmlNodePtr
|
|
xsltCopyTreeList(xsltTransformContextPtr ctxt, xmlNodePtr invocNode,
|
|
xmlNodePtr list,
|
|
xmlNodePtr insert, int isLRE, int topElemVisited)
|
|
{
|
|
xmlNodePtr copy, ret = NULL;
|
|
|
|
while (list != NULL) {
|
|
copy = xsltCopyTree(ctxt, invocNode,
|
|
list, insert, isLRE, topElemVisited);
|
|
if (copy != NULL) {
|
|
if (ret == NULL) {
|
|
ret = copy;
|
|
}
|
|
}
|
|
list = list->next;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xsltCopyNamespaceListInternal:
|
|
* @node: the target node
|
|
* @cur: the first namespace
|
|
*
|
|
* Do a copy of a namespace list. If @node is non-NULL the
|
|
* new namespaces are added automatically.
|
|
* Called by:
|
|
* xsltCopyTree()
|
|
*
|
|
* QUESTION: What is the exact difference between this function
|
|
* and xsltCopyNamespaceList() in "namespaces.c"?
|
|
* ANSWER: xsltCopyNamespaceList() tries to apply ns-aliases.
|
|
*
|
|
* Returns: a new xmlNsPtr, or NULL in case of error.
|
|
*/
|
|
static xmlNsPtr
|
|
xsltCopyNamespaceListInternal(xmlNodePtr elem, xmlNsPtr ns) {
|
|
xmlNsPtr ret = NULL;
|
|
xmlNsPtr p = NULL, q, luNs;
|
|
|
|
if (ns == NULL)
|
|
return(NULL);
|
|
/*
|
|
* One can add namespaces only on element nodes
|
|
*/
|
|
if ((elem != NULL) && (elem->type != XML_ELEMENT_NODE))
|
|
elem = NULL;
|
|
|
|
do {
|
|
if (ns->type != XML_NAMESPACE_DECL)
|
|
break;
|
|
/*
|
|
* Avoid duplicating namespace declarations on the tree.
|
|
*/
|
|
if (elem != NULL) {
|
|
if ((elem->ns != NULL) &&
|
|
xmlStrEqual(elem->ns->prefix, ns->prefix) &&
|
|
xmlStrEqual(elem->ns->href, ns->href))
|
|
{
|
|
ns = ns->next;
|
|
continue;
|
|
}
|
|
luNs = xmlSearchNs(elem->doc, elem, ns->prefix);
|
|
if ((luNs != NULL) && (xmlStrEqual(luNs->href, ns->href)))
|
|
{
|
|
ns = ns->next;
|
|
continue;
|
|
}
|
|
}
|
|
q = xmlNewNs(elem, ns->href, ns->prefix);
|
|
if (p == NULL) {
|
|
ret = p = q;
|
|
} else if (q != NULL) {
|
|
p->next = q;
|
|
p = q;
|
|
}
|
|
ns = ns->next;
|
|
} while (ns != NULL);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xsltShallowCopyNsNode:
|
|
* @ctxt: the XSLT transformation context
|
|
* @invocNode: responsible node in the stylesheet; used for error reports
|
|
* @insert: the target element node in the result tree
|
|
* @ns: the namespace node
|
|
*
|
|
* This is used for copying ns-nodes with xsl:copy-of and xsl:copy.
|
|
*
|
|
* Returns a new/existing ns-node, or NULL.
|
|
*/
|
|
static xmlNsPtr
|
|
xsltShallowCopyNsNode(xsltTransformContextPtr ctxt,
|
|
xmlNodePtr invocNode,
|
|
xmlNodePtr insert,
|
|
xmlNsPtr ns)
|
|
{
|
|
/*
|
|
* TODO: Contrary to header comments, this is declared as int.
|
|
* be modified to return a node pointer, or NULL if any error
|
|
*/
|
|
xmlNsPtr tmpns;
|
|
|
|
if ((insert == NULL) || (insert->type != XML_ELEMENT_NODE))
|
|
return(NULL);
|
|
|
|
if (insert->children != NULL) {
|
|
xsltTransformError(ctxt, NULL, invocNode,
|
|
"Namespace nodes must be added before "
|
|
"any child nodes are added to an element.\n");
|
|
return(NULL);
|
|
}
|
|
/*
|
|
* BIG NOTE: Xalan-J simply overwrites any ns-decls with
|
|
* an equal prefix. We definitively won't do that.
|
|
*
|
|
* MSXML 4.0 and the .NET ignores ns-decls for which an
|
|
* equal prefix is already in use.
|
|
*
|
|
* Saxon raises an error like:
|
|
* "net.sf.saxon.xpath.DynamicError: Cannot create two namespace
|
|
* nodes with the same name".
|
|
*
|
|
* NOTE: We'll currently follow MSXML here.
|
|
* REVISIT TODO: Check if it's better to follow Saxon here.
|
|
*/
|
|
if (ns->prefix == NULL) {
|
|
/*
|
|
* If we are adding ns-nodes to an element using e.g.
|
|
* <xsl:copy-of select="/foo/namespace::*">, then we need
|
|
* to ensure that we don't incorrectly declare a default
|
|
* namespace on an element in no namespace, which otherwise
|
|
* would move the element incorrectly into a namespace, if
|
|
* the node tree is serialized.
|
|
*/
|
|
if (insert->ns == NULL)
|
|
goto occupied;
|
|
} else if ((ns->prefix[0] == 'x') &&
|
|
xmlStrEqual(ns->prefix, BAD_CAST "xml"))
|
|
{
|
|
/*
|
|
* The XML namespace is built in.
|
|
*/
|
|
return(NULL);
|
|
}
|
|
|
|
if (insert->nsDef != NULL) {
|
|
tmpns = insert->nsDef;
|
|
do {
|
|
if ((tmpns->prefix == NULL) == (ns->prefix == NULL)) {
|
|
if ((tmpns->prefix == ns->prefix) ||
|
|
xmlStrEqual(tmpns->prefix, ns->prefix))
|
|
{
|
|
/*
|
|
* Same prefix.
|
|
*/
|
|
if (xmlStrEqual(tmpns->href, ns->href))
|
|
return(NULL);
|
|
goto occupied;
|
|
}
|
|
}
|
|
tmpns = tmpns->next;
|
|
} while (tmpns != NULL);
|
|
}
|
|
tmpns = xmlSearchNs(insert->doc, insert, ns->prefix);
|
|
if ((tmpns != NULL) && xmlStrEqual(tmpns->href, ns->href))
|
|
return(NULL);
|
|
/*
|
|
* Declare a new namespace.
|
|
* TODO: The problem (wrt efficiency) with this xmlNewNs() is
|
|
* that it will again search the already declared namespaces
|
|
* for a duplicate :-/
|
|
*/
|
|
return(xmlNewNs(insert, ns->href, ns->prefix));
|
|
|
|
occupied:
|
|
/*
|
|
* TODO: We could as well raise an error here (like Saxon does),
|
|
* or at least generate a warning.
|
|
*/
|
|
return(NULL);
|
|
}
|
|
|
|
/**
|
|
* xsltCopyTree:
|
|
* @ctxt: the XSLT transformation context
|
|
* @invocNode: responsible node in the stylesheet; used for error reports
|
|
* @node: the element node in the source tree
|
|
* @insert: the parent in the result tree
|
|
* @isLRE: indicates if @node is a Literal Result Element
|
|
* @topElemVisited: indicates if a top-most element was already processed
|
|
*
|
|
* Make a copy of the full tree under the element node @node
|
|
* and insert it as last child of @insert
|
|
*
|
|
* NOTE: Not to be used for Literal Result Elements.
|
|
*
|
|
* Used by:
|
|
* - xsltCopyOf()
|
|
*
|
|
* Returns a pointer to the new tree, or NULL in case of error
|
|
*/
|
|
static xmlNodePtr
|
|
xsltCopyTree(xsltTransformContextPtr ctxt, xmlNodePtr invocNode,
|
|
xmlNodePtr node, xmlNodePtr insert, int isLRE,
|
|
int topElemVisited)
|
|
{
|
|
xmlNodePtr copy;
|
|
|
|
if (node == NULL)
|
|
return(NULL);
|
|
switch (node->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
#ifdef LIBXML_DOCB_ENABLED
|
|
case XML_DOCB_DOCUMENT_NODE:
|
|
#endif
|
|
break;
|
|
case XML_TEXT_NODE: {
|
|
int noenc = (node->name == xmlStringTextNoenc);
|
|
return(xsltCopyTextString(ctxt, insert, node->content, noenc));
|
|
}
|
|
case XML_CDATA_SECTION_NODE:
|
|
return(xsltCopyTextString(ctxt, insert, node->content, 0));
|
|
case XML_ATTRIBUTE_NODE:
|
|
return((xmlNodePtr)
|
|
xsltShallowCopyAttr(ctxt, invocNode, insert, (xmlAttrPtr) node));
|
|
case XML_NAMESPACE_DECL:
|
|
return((xmlNodePtr) xsltShallowCopyNsNode(ctxt, invocNode,
|
|
insert, (xmlNsPtr) node));
|
|
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
return(NULL);
|
|
}
|
|
if (XSLT_IS_RES_TREE_FRAG(node)) {
|
|
if (node->children != NULL)
|
|
copy = xsltCopyTreeList(ctxt, invocNode,
|
|
node->children, insert, 0, 0);
|
|
else
|
|
copy = NULL;
|
|
return(copy);
|
|
}
|
|
copy = xmlDocCopyNode(node, insert->doc, 0);
|
|
if (copy != NULL) {
|
|
copy->doc = ctxt->output;
|
|
copy = xsltAddChild(insert, copy);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, invocNode,
|
|
"xsltCopyTree: Copying of '%s' failed.\n", node->name);
|
|
return (copy);
|
|
}
|
|
/*
|
|
* The node may have been coalesced into another text node.
|
|
*/
|
|
if (insert->last != copy)
|
|
return(insert->last);
|
|
copy->next = NULL;
|
|
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
/*
|
|
* Copy in-scope namespace nodes.
|
|
*
|
|
* REVISIT: Since we try to reuse existing in-scope ns-decls by
|
|
* using xmlSearchNsByHref(), this will eventually change
|
|
* the prefix of an original ns-binding; thus it might
|
|
* break QNames in element/attribute content.
|
|
* OPTIMIZE TODO: If we had a xmlNsPtr * on the transformation
|
|
* context, plus a ns-lookup function, which writes directly
|
|
* to a given list, then we wouldn't need to create/free the
|
|
* nsList every time.
|
|
*/
|
|
if ((topElemVisited == 0) &&
|
|
(node->parent != NULL) &&
|
|
(node->parent->type != XML_DOCUMENT_NODE) &&
|
|
(node->parent->type != XML_HTML_DOCUMENT_NODE))
|
|
{
|
|
xmlNsPtr *nsList, *curns, ns;
|
|
|
|
/*
|
|
* If this is a top-most element in a tree to be
|
|
* copied, then we need to ensure that all in-scope
|
|
* namespaces are copied over. For nodes deeper in the
|
|
* tree, it is sufficient to reconcile only the ns-decls
|
|
* (node->nsDef entries).
|
|
*/
|
|
|
|
nsList = xmlGetNsList(node->doc, node);
|
|
if (nsList != NULL) {
|
|
curns = nsList;
|
|
do {
|
|
/*
|
|
* Search by prefix first in order to break as less
|
|
* QNames in element/attribute content as possible.
|
|
*/
|
|
ns = xmlSearchNs(insert->doc, insert,
|
|
(*curns)->prefix);
|
|
|
|
if ((ns == NULL) ||
|
|
(! xmlStrEqual(ns->href, (*curns)->href)))
|
|
{
|
|
ns = NULL;
|
|
/*
|
|
* Search by namespace name.
|
|
* REVISIT TODO: Currently disabled.
|
|
*/
|
|
#if 0
|
|
ns = xmlSearchNsByHref(insert->doc,
|
|
insert, (*curns)->href);
|
|
#endif
|
|
}
|
|
if (ns == NULL) {
|
|
/*
|
|
* Declare a new namespace on the copied element.
|
|
*/
|
|
ns = xmlNewNs(copy, (*curns)->href,
|
|
(*curns)->prefix);
|
|
/* TODO: Handle errors */
|
|
}
|
|
if (node->ns == *curns) {
|
|
/*
|
|
* If this was the original's namespace then set
|
|
* the generated counterpart on the copy.
|
|
*/
|
|
copy->ns = ns;
|
|
}
|
|
curns++;
|
|
} while (*curns != NULL);
|
|
xmlFree(nsList);
|
|
}
|
|
} else if (node->nsDef != NULL) {
|
|
/*
|
|
* Copy over all namespace declaration attributes.
|
|
*/
|
|
if (node->nsDef != NULL) {
|
|
if (isLRE)
|
|
xsltCopyNamespaceList(ctxt, copy, node->nsDef);
|
|
else
|
|
xsltCopyNamespaceListInternal(copy, node->nsDef);
|
|
}
|
|
}
|
|
/*
|
|
* Set the namespace.
|
|
*/
|
|
if (node->ns != NULL) {
|
|
if (copy->ns == NULL) {
|
|
/*
|
|
* This will map copy->ns to one of the newly created
|
|
* in-scope ns-decls, OR create a new ns-decl on @copy.
|
|
*/
|
|
copy->ns = xsltGetSpecialNamespace(ctxt, invocNode,
|
|
node->ns->href, node->ns->prefix, copy);
|
|
}
|
|
} else if ((insert->type == XML_ELEMENT_NODE) &&
|
|
(insert->ns != NULL))
|
|
{
|
|
/*
|
|
* "Undeclare" the default namespace on @copy with xmlns="".
|
|
*/
|
|
xsltGetSpecialNamespace(ctxt, invocNode, NULL, NULL, copy);
|
|
}
|
|
/*
|
|
* Copy attribute nodes.
|
|
*/
|
|
if (node->properties != NULL) {
|
|
xsltCopyAttrListNoOverwrite(ctxt, invocNode,
|
|
copy, node->properties);
|
|
}
|
|
if (topElemVisited == 0)
|
|
topElemVisited = 1;
|
|
}
|
|
/*
|
|
* Copy the subtree.
|
|
*/
|
|
if (node->children != NULL) {
|
|
xsltCopyTreeList(ctxt, invocNode,
|
|
node->children, copy, isLRE, topElemVisited);
|
|
}
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, invocNode,
|
|
"xsltCopyTree: Copying of '%s' failed.\n", node->name);
|
|
}
|
|
return(copy);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Error/fallback processing *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xsltApplyFallbacks:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the node generating the error
|
|
*
|
|
* Process possible xsl:fallback nodes present under @inst
|
|
*
|
|
* Returns the number of xsl:fallback element found and processed
|
|
*/
|
|
static int
|
|
xsltApplyFallbacks(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst) {
|
|
|
|
xmlNodePtr child;
|
|
int ret = 0;
|
|
|
|
if ((ctxt == NULL) || (node == NULL) || (inst == NULL) ||
|
|
(inst->children == NULL))
|
|
return(0);
|
|
|
|
child = inst->children;
|
|
while (child != NULL) {
|
|
if ((IS_XSLT_ELEM(child)) &&
|
|
(xmlStrEqual(child->name, BAD_CAST "fallback"))) {
|
|
#ifdef WITH_XSLT_DEBUG_PARSING
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"applying xsl:fallback\n");
|
|
#endif
|
|
ret++;
|
|
xsltApplySequenceConstructor(ctxt, node, child->children,
|
|
NULL);
|
|
}
|
|
child = child->next;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Default processing *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xsltDefaultProcessOneNode:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @params: extra parameters passed to the template if any
|
|
*
|
|
* Process the source node with the default built-in template rule:
|
|
* <xsl:template match="*|/">
|
|
* <xsl:apply-templates/>
|
|
* </xsl:template>
|
|
*
|
|
* and
|
|
*
|
|
* <xsl:template match="text()|@*">
|
|
* <xsl:value-of select="."/>
|
|
* </xsl:template>
|
|
*
|
|
* Note also that namespace declarations are copied directly:
|
|
*
|
|
* the built-in template rule is the only template rule that is applied
|
|
* for namespace nodes.
|
|
*/
|
|
static void
|
|
xsltDefaultProcessOneNode(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xsltStackElemPtr params) {
|
|
xmlNodePtr copy;
|
|
xmlNodePtr delete = NULL, cur;
|
|
int nbchild = 0, oldSize;
|
|
int childno = 0, oldPos;
|
|
xsltTemplatePtr template;
|
|
|
|
CHECK_STOPPED;
|
|
/*
|
|
* Handling of leaves
|
|
*/
|
|
switch (node->type) {
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
break;
|
|
case XML_CDATA_SECTION_NODE:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy CDATA %s\n",
|
|
node->content));
|
|
#endif
|
|
copy = xsltCopyText(ctxt, ctxt->insert, node, 0);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, node,
|
|
"xsltDefaultProcessOneNode: cdata copy failed\n");
|
|
}
|
|
return;
|
|
case XML_TEXT_NODE:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (node->content == NULL) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy empty text\n"));
|
|
return;
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy text %s\n",
|
|
node->content));
|
|
}
|
|
#endif
|
|
copy = xsltCopyText(ctxt, ctxt->insert, node, 0);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, node,
|
|
"xsltDefaultProcessOneNode: text copy failed\n");
|
|
}
|
|
return;
|
|
case XML_ATTRIBUTE_NODE:
|
|
cur = node->children;
|
|
while ((cur != NULL) && (cur->type != XML_TEXT_NODE))
|
|
cur = cur->next;
|
|
if (cur == NULL) {
|
|
xsltTransformError(ctxt, NULL, node,
|
|
"xsltDefaultProcessOneNode: no text for attribute\n");
|
|
} else {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (cur->content == NULL) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy empty text\n"));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy text %s\n",
|
|
cur->content));
|
|
}
|
|
#endif
|
|
copy = xsltCopyText(ctxt, ctxt->insert, cur, 0);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, node,
|
|
"xsltDefaultProcessOneNode: text copy failed\n");
|
|
}
|
|
}
|
|
return;
|
|
default:
|
|
return;
|
|
}
|
|
/*
|
|
* Handling of Elements: first pass, cleanup and counting
|
|
*/
|
|
cur = node->children;
|
|
while (cur != NULL) {
|
|
switch (cur->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
nbchild++;
|
|
break;
|
|
case XML_DTD_NODE:
|
|
/* Unlink the DTD, it's still reachable using doc->intSubset */
|
|
if (cur->next != NULL)
|
|
cur->next->prev = cur->prev;
|
|
if (cur->prev != NULL)
|
|
cur->prev->next = cur->next;
|
|
break;
|
|
default:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: skipping node type %d\n",
|
|
cur->type));
|
|
#endif
|
|
delete = cur;
|
|
}
|
|
cur = cur->next;
|
|
if (delete != NULL) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: removing ignorable blank node\n"));
|
|
#endif
|
|
xmlUnlinkNode(delete);
|
|
xmlFreeNode(delete);
|
|
delete = NULL;
|
|
}
|
|
}
|
|
if (delete != NULL) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: removing ignorable blank node\n"));
|
|
#endif
|
|
xmlUnlinkNode(delete);
|
|
xmlFreeNode(delete);
|
|
delete = NULL;
|
|
}
|
|
|
|
/*
|
|
* Handling of Elements: second pass, actual processing
|
|
*
|
|
* Note that params are passed to the next template. This matches
|
|
* XSLT 2.0 behavior but doesn't conform to XSLT 1.0.
|
|
*/
|
|
oldSize = ctxt->xpathCtxt->contextSize;
|
|
oldPos = ctxt->xpathCtxt->proximityPosition;
|
|
cur = node->children;
|
|
while (cur != NULL) {
|
|
childno++;
|
|
switch (cur->type) {
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
ctxt->xpathCtxt->contextSize = nbchild;
|
|
ctxt->xpathCtxt->proximityPosition = childno;
|
|
xsltProcessOneNode(ctxt, cur, params);
|
|
break;
|
|
case XML_CDATA_SECTION_NODE:
|
|
template = xsltGetTemplate(ctxt, cur, NULL);
|
|
if (template) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: applying template for CDATA %s\n",
|
|
cur->content));
|
|
#endif
|
|
/*
|
|
* Instantiate the xsl:template.
|
|
*/
|
|
xsltApplyXSLTTemplate(ctxt, cur, template->content,
|
|
template, params);
|
|
} else /* if (ctxt->mode == NULL) */ {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy CDATA %s\n",
|
|
cur->content));
|
|
#endif
|
|
copy = xsltCopyText(ctxt, ctxt->insert, cur, 0);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"xsltDefaultProcessOneNode: cdata copy failed\n");
|
|
}
|
|
}
|
|
break;
|
|
case XML_TEXT_NODE:
|
|
template = xsltGetTemplate(ctxt, cur, NULL);
|
|
if (template) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: applying template for text %s\n",
|
|
cur->content));
|
|
#endif
|
|
ctxt->xpathCtxt->contextSize = nbchild;
|
|
ctxt->xpathCtxt->proximityPosition = childno;
|
|
/*
|
|
* Instantiate the xsl:template.
|
|
*/
|
|
xsltApplyXSLTTemplate(ctxt, cur, template->content,
|
|
template, params);
|
|
} else /* if (ctxt->mode == NULL) */ {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (cur->content == NULL) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy empty text\n"));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: copy text %s\n",
|
|
cur->content));
|
|
}
|
|
#endif
|
|
copy = xsltCopyText(ctxt, ctxt->insert, cur, 0);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"xsltDefaultProcessOneNode: text copy failed\n");
|
|
}
|
|
}
|
|
break;
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
template = xsltGetTemplate(ctxt, cur, NULL);
|
|
if (template) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (cur->type == XML_PI_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: template found for PI %s\n",
|
|
cur->name));
|
|
} else if (cur->type == XML_COMMENT_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltDefaultProcessOneNode: template found for comment\n"));
|
|
}
|
|
#endif
|
|
ctxt->xpathCtxt->contextSize = nbchild;
|
|
ctxt->xpathCtxt->proximityPosition = childno;
|
|
/*
|
|
* Instantiate the xsl:template.
|
|
*/
|
|
xsltApplyXSLTTemplate(ctxt, cur, template->content,
|
|
template, params);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
ctxt->xpathCtxt->contextSize = oldSize;
|
|
ctxt->xpathCtxt->proximityPosition = oldPos;
|
|
}
|
|
|
|
/**
|
|
* xsltProcessOneNode:
|
|
* @ctxt: a XSLT process context
|
|
* @contextNode: the "current node" in the source tree
|
|
* @withParams: extra parameters (e.g. xsl:with-param) passed to the
|
|
* template if any
|
|
*
|
|
* Process the source node.
|
|
*/
|
|
void
|
|
xsltProcessOneNode(xsltTransformContextPtr ctxt, xmlNodePtr contextNode,
|
|
xsltStackElemPtr withParams)
|
|
{
|
|
xsltTemplatePtr templ;
|
|
xmlNodePtr oldNode;
|
|
|
|
templ = xsltGetTemplate(ctxt, contextNode, NULL);
|
|
/*
|
|
* If no template is found, apply the default rule.
|
|
*/
|
|
if (templ == NULL) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (contextNode->type == XML_DOCUMENT_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessOneNode: no template found for /\n"));
|
|
} else if (contextNode->type == XML_CDATA_SECTION_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessOneNode: no template found for CDATA\n"));
|
|
} else if (contextNode->type == XML_ATTRIBUTE_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessOneNode: no template found for attribute %s\n",
|
|
((xmlAttrPtr) contextNode)->name));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessOneNode: no template found for %s\n", contextNode->name));
|
|
}
|
|
#endif
|
|
oldNode = ctxt->node;
|
|
ctxt->node = contextNode;
|
|
xsltDefaultProcessOneNode(ctxt, contextNode, withParams);
|
|
ctxt->node = oldNode;
|
|
return;
|
|
}
|
|
|
|
if (contextNode->type == XML_ATTRIBUTE_NODE) {
|
|
xsltTemplatePtr oldCurTempRule = ctxt->currentTemplateRule;
|
|
/*
|
|
* Set the "current template rule".
|
|
*/
|
|
ctxt->currentTemplateRule = templ;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessOneNode: applying template '%s' for attribute %s\n",
|
|
templ->match, contextNode->name));
|
|
#endif
|
|
xsltApplyXSLTTemplate(ctxt, contextNode, templ->content, templ, withParams);
|
|
|
|
ctxt->currentTemplateRule = oldCurTempRule;
|
|
} else {
|
|
xsltTemplatePtr oldCurTempRule = ctxt->currentTemplateRule;
|
|
/*
|
|
* Set the "current template rule".
|
|
*/
|
|
ctxt->currentTemplateRule = templ;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (contextNode->type == XML_DOCUMENT_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessOneNode: applying template '%s' for /\n",
|
|
templ->match));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PROCESS_NODE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessOneNode: applying template '%s' for %s\n",
|
|
templ->match, contextNode->name));
|
|
}
|
|
#endif
|
|
xsltApplyXSLTTemplate(ctxt, contextNode, templ->content, templ, withParams);
|
|
|
|
ctxt->currentTemplateRule = oldCurTempRule;
|
|
}
|
|
}
|
|
|
|
static xmlNodePtr
|
|
xsltDebuggerStartSequenceConstructor(xsltTransformContextPtr ctxt,
|
|
xmlNodePtr contextNode,
|
|
xmlNodePtr list,
|
|
xsltTemplatePtr templ,
|
|
int *addCallResult)
|
|
{
|
|
xmlNodePtr debugedNode = NULL;
|
|
|
|
if (ctxt->debugStatus != XSLT_DEBUG_NONE) {
|
|
if (templ) {
|
|
*addCallResult = xslAddCall(templ, templ->elem);
|
|
} else {
|
|
*addCallResult = xslAddCall(NULL, list);
|
|
}
|
|
switch (ctxt->debugStatus) {
|
|
case XSLT_DEBUG_RUN_RESTART:
|
|
case XSLT_DEBUG_QUIT:
|
|
if (*addCallResult)
|
|
xslDropCall();
|
|
return(NULL);
|
|
}
|
|
if (templ) {
|
|
xslHandleDebugger(templ->elem, contextNode, templ, ctxt);
|
|
debugedNode = templ->elem;
|
|
} else if (list) {
|
|
xslHandleDebugger(list, contextNode, templ, ctxt);
|
|
debugedNode = list;
|
|
} else if (ctxt->inst) {
|
|
xslHandleDebugger(ctxt->inst, contextNode, templ, ctxt);
|
|
debugedNode = ctxt->inst;
|
|
}
|
|
}
|
|
return(debugedNode);
|
|
}
|
|
|
|
/**
|
|
* xsltLocalVariablePush:
|
|
* @ctxt: the transformation context
|
|
* @variable: variable to be pushed to the variable stack
|
|
* @level: new value for variable's level
|
|
*
|
|
* Places the variable onto the local variable stack
|
|
*
|
|
* Returns: 0 for success, -1 for any error
|
|
* **NOTE:**
|
|
* This is an internal routine and should not be called by users!
|
|
*/
|
|
int
|
|
xsltLocalVariablePush(xsltTransformContextPtr ctxt,
|
|
xsltStackElemPtr variable,
|
|
int level)
|
|
{
|
|
if (ctxt->varsMax == 0) {
|
|
ctxt->varsMax = 10;
|
|
ctxt->varsTab =
|
|
(xsltStackElemPtr *) xmlMalloc(ctxt->varsMax *
|
|
sizeof(ctxt->varsTab[0]));
|
|
if (ctxt->varsTab == NULL) {
|
|
xmlGenericError(xmlGenericErrorContext, "malloc failed !\n");
|
|
return (-1);
|
|
}
|
|
}
|
|
if (ctxt->varsNr >= ctxt->varsMax) {
|
|
ctxt->varsMax *= 2;
|
|
ctxt->varsTab =
|
|
(xsltStackElemPtr *) xmlRealloc(ctxt->varsTab,
|
|
ctxt->varsMax *
|
|
sizeof(ctxt->varsTab[0]));
|
|
if (ctxt->varsTab == NULL) {
|
|
xmlGenericError(xmlGenericErrorContext, "realloc failed !\n");
|
|
return (-1);
|
|
}
|
|
}
|
|
ctxt->varsTab[ctxt->varsNr++] = variable;
|
|
ctxt->vars = variable;
|
|
variable->level = level;
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xsltReleaseLocalRVTs:
|
|
*
|
|
* Fragments which are results of extension instructions
|
|
* are preserved; all other fragments are freed/cached.
|
|
*/
|
|
static void
|
|
xsltReleaseLocalRVTs(xsltTransformContextPtr ctxt, xmlDocPtr base)
|
|
{
|
|
xmlDocPtr cur = ctxt->localRVT, tmp;
|
|
|
|
if (cur == base)
|
|
return;
|
|
if (cur->prev != NULL)
|
|
xsltTransformError(ctxt, NULL, NULL, "localRVT not head of list\n");
|
|
|
|
do {
|
|
tmp = cur;
|
|
cur = (xmlDocPtr) cur->next;
|
|
if (tmp->psvi == XSLT_RVT_LOCAL) {
|
|
xsltReleaseRVT(ctxt, tmp);
|
|
} else if (tmp->psvi == XSLT_RVT_GLOBAL) {
|
|
xsltRegisterPersistRVT(ctxt, tmp);
|
|
} else if (tmp->psvi != XSLT_RVT_FUNC_RESULT) {
|
|
xmlGenericError(xmlGenericErrorContext,
|
|
"xsltReleaseLocalRVTs: Unexpected RVT flag %p\n",
|
|
tmp->psvi);
|
|
}
|
|
} while (cur != base);
|
|
|
|
if (base != NULL)
|
|
base->prev = NULL;
|
|
ctxt->localRVT = base;
|
|
}
|
|
|
|
/**
|
|
* xsltApplySequenceConstructor:
|
|
* @ctxt: a XSLT process context
|
|
* @contextNode: the "current node" in the source tree
|
|
* @list: the nodes of a sequence constructor;
|
|
* (plus leading xsl:param elements)
|
|
* @templ: the compiled xsl:template (optional)
|
|
*
|
|
* Processes a sequence constructor.
|
|
*
|
|
* NOTE: ctxt->currentTemplateRule was introduced to reflect the
|
|
* semantics of "current template rule". I.e. the field ctxt->templ
|
|
* is not intended to reflect this, thus always pushed onto the
|
|
* template stack.
|
|
*/
|
|
static void
|
|
xsltApplySequenceConstructor(xsltTransformContextPtr ctxt,
|
|
xmlNodePtr contextNode, xmlNodePtr list,
|
|
xsltTemplatePtr templ)
|
|
{
|
|
xmlNodePtr oldInsert, oldInst, oldCurInst, oldContextNode;
|
|
xmlNodePtr cur, insert, copy = NULL;
|
|
int level = 0, oldVarsNr;
|
|
xmlDocPtr oldLocalFragmentTop;
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStylePreCompPtr info;
|
|
#endif
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
int addCallResult = 0;
|
|
xmlNodePtr debuggedNode = NULL;
|
|
#endif
|
|
|
|
if (ctxt == NULL)
|
|
return;
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (ctxt->debugStatus != XSLT_DEBUG_NONE) {
|
|
debuggedNode =
|
|
xsltDebuggerStartSequenceConstructor(ctxt, contextNode,
|
|
list, templ, &addCallResult);
|
|
if (debuggedNode == NULL)
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (list == NULL)
|
|
return;
|
|
CHECK_STOPPED;
|
|
|
|
/*
|
|
* Check for infinite recursion: stop if the maximum of nested templates
|
|
* is excceeded. Adjust xsltMaxDepth if you need more.
|
|
*/
|
|
if (ctxt->depth >= ctxt->maxTemplateDepth) {
|
|
xsltTransformError(ctxt, NULL, list,
|
|
"xsltApplySequenceConstructor: A potential infinite template "
|
|
"recursion was detected.\n"
|
|
"You can adjust xsltMaxDepth (--maxdepth) in order to "
|
|
"raise the maximum number of nested template calls and "
|
|
"variables/params (currently set to %d).\n",
|
|
ctxt->maxTemplateDepth);
|
|
xsltDebug(ctxt, contextNode, list, NULL);
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
return;
|
|
}
|
|
ctxt->depth++;
|
|
|
|
oldLocalFragmentTop = ctxt->localRVT;
|
|
oldInsert = insert = ctxt->insert;
|
|
oldInst = oldCurInst = ctxt->inst;
|
|
oldContextNode = ctxt->node;
|
|
/*
|
|
* Save current number of variables on the stack; new vars are popped when
|
|
* exiting.
|
|
*/
|
|
oldVarsNr = ctxt->varsNr;
|
|
/*
|
|
* Process the sequence constructor.
|
|
*/
|
|
cur = list;
|
|
while (cur != NULL) {
|
|
ctxt->inst = cur;
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
switch (ctxt->debugStatus) {
|
|
case XSLT_DEBUG_RUN_RESTART:
|
|
case XSLT_DEBUG_QUIT:
|
|
break;
|
|
|
|
}
|
|
#endif
|
|
/*
|
|
* Test; we must have a valid insertion point.
|
|
*/
|
|
if (insert == NULL) {
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: insert == NULL !\n"));
|
|
#endif
|
|
goto error;
|
|
}
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if ((ctxt->debugStatus != XSLT_DEBUG_NONE) && (debuggedNode != cur))
|
|
xslHandleDebugger(cur, contextNode, templ, ctxt);
|
|
#endif
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
if (cur->type == XML_ELEMENT_NODE) {
|
|
info = (xsltStylePreCompPtr) cur->psvi;
|
|
/*
|
|
* We expect a compiled representation on:
|
|
* 1) XSLT instructions of this XSLT version (1.0)
|
|
* (with a few exceptions)
|
|
* 2) Literal result elements
|
|
* 3) Extension instructions
|
|
* 4) XSLT instructions of future XSLT versions
|
|
* (forwards-compatible mode).
|
|
*/
|
|
if (info == NULL) {
|
|
/*
|
|
* Handle the rare cases where we don't expect a compiled
|
|
* representation on an XSLT element.
|
|
*/
|
|
if (IS_XSLT_ELEM_FAST(cur) && IS_XSLT_NAME(cur, "message")) {
|
|
xsltMessage(ctxt, contextNode, cur);
|
|
goto skip_children;
|
|
}
|
|
/*
|
|
* Something really went wrong:
|
|
*/
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"Internal error in xsltApplySequenceConstructor(): "
|
|
"The element '%s' in the stylesheet has no compiled "
|
|
"representation.\n",
|
|
cur->name);
|
|
goto skip_children;
|
|
}
|
|
|
|
if (info->type == XSLT_FUNC_LITERAL_RESULT_ELEMENT) {
|
|
xsltStyleItemLRElementInfoPtr lrInfo =
|
|
(xsltStyleItemLRElementInfoPtr) info;
|
|
/*
|
|
* Literal result elements
|
|
* --------------------------------------------------------
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt, XSLT_TRACE_APPLY_TEMPLATE,
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: copy literal result "
|
|
"element '%s'\n", cur->name));
|
|
#endif
|
|
/*
|
|
* Copy the raw element-node.
|
|
* OLD: if ((copy = xsltShallowCopyElem(ctxt, cur, insert))
|
|
* == NULL)
|
|
* goto error;
|
|
*/
|
|
copy = xmlDocCopyNode(cur, insert->doc, 0);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"Internal error in xsltApplySequenceConstructor(): "
|
|
"Failed to copy literal result element '%s'.\n",
|
|
cur->name);
|
|
goto error;
|
|
} else {
|
|
/*
|
|
* Add the element-node to the result tree.
|
|
*/
|
|
copy->doc = ctxt->output;
|
|
copy = xsltAddChild(insert, copy);
|
|
/*
|
|
* Create effective namespaces declarations.
|
|
* OLD: xsltCopyNamespaceList(ctxt, copy, cur->nsDef);
|
|
*/
|
|
if (lrInfo->effectiveNs != NULL) {
|
|
xsltEffectiveNsPtr effNs = lrInfo->effectiveNs;
|
|
xmlNsPtr ns, lastns = NULL;
|
|
|
|
while (effNs != NULL) {
|
|
/*
|
|
* Avoid generating redundant namespace
|
|
* declarations; thus lookup if there is already
|
|
* such a ns-decl in the result.
|
|
*/
|
|
ns = xmlSearchNs(copy->doc, copy, effNs->prefix);
|
|
if ((ns != NULL) &&
|
|
(xmlStrEqual(ns->href, effNs->nsName)))
|
|
{
|
|
effNs = effNs->next;
|
|
continue;
|
|
}
|
|
ns = xmlNewNs(copy, effNs->nsName, effNs->prefix);
|
|
if (ns == NULL) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"Internal error in "
|
|
"xsltApplySequenceConstructor(): "
|
|
"Failed to copy a namespace "
|
|
"declaration.\n");
|
|
goto error;
|
|
}
|
|
|
|
if (lastns == NULL)
|
|
copy->nsDef = ns;
|
|
else
|
|
lastns->next =ns;
|
|
lastns = ns;
|
|
|
|
effNs = effNs->next;
|
|
}
|
|
|
|
}
|
|
/*
|
|
* NOTE that we don't need to apply ns-alising: this was
|
|
* already done at compile-time.
|
|
*/
|
|
if (cur->ns != NULL) {
|
|
/*
|
|
* If there's no such ns-decl in the result tree,
|
|
* then xsltGetSpecialNamespace() will
|
|
* create a ns-decl on the copied node.
|
|
*/
|
|
copy->ns = xsltGetSpecialNamespace(ctxt, cur,
|
|
cur->ns->href, cur->ns->prefix, copy);
|
|
} else {
|
|
/*
|
|
* Undeclare the default namespace if needed.
|
|
* This can be skipped, if the result element has
|
|
* no ns-decls, in which case the result element
|
|
* obviously does not declare a default namespace;
|
|
* AND there's either no parent, or the parent
|
|
* element is in no namespace; this means there's no
|
|
* default namespace is scope to care about.
|
|
*
|
|
* REVISIT: This might result in massive
|
|
* generation of ns-decls if nodes in a default
|
|
* namespaces are mixed with nodes in no namespace.
|
|
*
|
|
*/
|
|
if (copy->nsDef ||
|
|
((insert != NULL) &&
|
|
(insert->type == XML_ELEMENT_NODE) &&
|
|
(insert->ns != NULL)))
|
|
{
|
|
xsltGetSpecialNamespace(ctxt, cur,
|
|
NULL, NULL, copy);
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* SPEC XSLT 2.0 "Each attribute of the literal result
|
|
* element, other than an attribute in the XSLT namespace,
|
|
* is processed to produce an attribute for the element in
|
|
* the result tree."
|
|
* NOTE: See bug #341325.
|
|
*/
|
|
if (cur->properties != NULL) {
|
|
xsltAttrListTemplateProcess(ctxt, copy, cur->properties);
|
|
}
|
|
} else if (IS_XSLT_ELEM_FAST(cur)) {
|
|
/*
|
|
* XSLT instructions
|
|
* --------------------------------------------------------
|
|
*/
|
|
if (info->type == XSLT_FUNC_UNKOWN_FORWARDS_COMPAT) {
|
|
/*
|
|
* We hit an unknown XSLT element.
|
|
* Try to apply one of the fallback cases.
|
|
*/
|
|
ctxt->insert = insert;
|
|
if (!xsltApplyFallbacks(ctxt, contextNode, cur)) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"The is no fallback behaviour defined for "
|
|
"the unknown XSLT element '%s'.\n",
|
|
cur->name);
|
|
}
|
|
ctxt->insert = oldInsert;
|
|
} else if (info->func != NULL) {
|
|
/*
|
|
* Execute the XSLT instruction.
|
|
*/
|
|
ctxt->insert = insert;
|
|
|
|
info->func(ctxt, contextNode, cur,
|
|
(xsltElemPreCompPtr) info);
|
|
|
|
/*
|
|
* Cleanup temporary tree fragments.
|
|
*/
|
|
if (oldLocalFragmentTop != ctxt->localRVT)
|
|
xsltReleaseLocalRVTs(ctxt, oldLocalFragmentTop);
|
|
|
|
ctxt->insert = oldInsert;
|
|
} else if (info->type == XSLT_FUNC_VARIABLE) {
|
|
xsltStackElemPtr tmpvar = ctxt->vars;
|
|
|
|
xsltParseStylesheetVariable(ctxt, cur);
|
|
|
|
if (tmpvar != ctxt->vars) {
|
|
/*
|
|
* TODO: Using a @tmpvar is an annoying workaround, but
|
|
* the current mechanisms do not provide any other way
|
|
* of knowing if the var was really pushed onto the
|
|
* stack.
|
|
*/
|
|
ctxt->vars->level = level;
|
|
}
|
|
} else if (info->type == XSLT_FUNC_MESSAGE) {
|
|
/*
|
|
* TODO: Won't be hit, since we don't compile xsl:message.
|
|
*/
|
|
xsltMessage(ctxt, contextNode, cur);
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"Unexpected XSLT element '%s'.\n", cur->name);
|
|
}
|
|
goto skip_children;
|
|
|
|
} else {
|
|
xsltTransformFunction func;
|
|
/*
|
|
* Extension intructions (elements)
|
|
* --------------------------------------------------------
|
|
*/
|
|
if (cur->psvi == xsltExtMarker) {
|
|
/*
|
|
* The xsltExtMarker was set during the compilation
|
|
* of extension instructions if there was no registered
|
|
* handler for this specific extension function at
|
|
* compile-time.
|
|
* Libxslt will now lookup if a handler is
|
|
* registered in the context of this transformation.
|
|
*/
|
|
func = (xsltTransformFunction)
|
|
xsltExtElementLookup(ctxt, cur->name, cur->ns->href);
|
|
} else
|
|
func = ((xsltElemPreCompPtr) cur->psvi)->func;
|
|
|
|
if (func == NULL) {
|
|
/*
|
|
* No handler available.
|
|
* Try to execute fallback behaviour via xsl:fallback.
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt, XSLT_TRACE_APPLY_TEMPLATE,
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: unknown extension %s\n",
|
|
cur->name));
|
|
#endif
|
|
ctxt->insert = insert;
|
|
if (!xsltApplyFallbacks(ctxt, contextNode, cur)) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"Unknown extension instruction '{%s}%s'.\n",
|
|
cur->ns->href, cur->name);
|
|
}
|
|
ctxt->insert = oldInsert;
|
|
} else {
|
|
/*
|
|
* Execute the handler-callback.
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: extension construct %s\n",
|
|
cur->name));
|
|
#endif
|
|
/*
|
|
* Disable the xsltCopyTextString optimization for
|
|
* extension elements. Extensions could append text using
|
|
* xmlAddChild which will free the buffer pointed to by
|
|
* 'lasttext'. This buffer could later be reallocated with
|
|
* a different size than recorded in 'lasttsize'. See bug
|
|
* #777432.
|
|
*/
|
|
if (cur->psvi == xsltExtMarker) {
|
|
ctxt->lasttext = NULL;
|
|
}
|
|
|
|
ctxt->insert = insert;
|
|
|
|
func(ctxt, contextNode, cur, cur->psvi);
|
|
|
|
/*
|
|
* Cleanup temporary tree fragments.
|
|
*/
|
|
if (oldLocalFragmentTop != ctxt->localRVT)
|
|
xsltReleaseLocalRVTs(ctxt, oldLocalFragmentTop);
|
|
|
|
ctxt->insert = oldInsert;
|
|
}
|
|
goto skip_children;
|
|
}
|
|
|
|
} else if (XSLT_IS_TEXT_NODE(cur)) {
|
|
/*
|
|
* Text
|
|
* ------------------------------------------------------------
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (cur->name == xmlStringTextNoenc) {
|
|
XSLT_TRACE(ctxt, XSLT_TRACE_APPLY_TEMPLATE,
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: copy unescaped text '%s'\n",
|
|
cur->content));
|
|
} else {
|
|
XSLT_TRACE(ctxt, XSLT_TRACE_APPLY_TEMPLATE,
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: copy text '%s'\n",
|
|
cur->content));
|
|
}
|
|
#endif
|
|
if (xsltCopyText(ctxt, insert, cur, ctxt->internalized) == NULL)
|
|
goto error;
|
|
}
|
|
|
|
#else /* XSLT_REFACTORED */
|
|
|
|
if (IS_XSLT_ELEM(cur)) {
|
|
/*
|
|
* This is an XSLT node
|
|
*/
|
|
xsltStylePreCompPtr info = (xsltStylePreCompPtr) cur->psvi;
|
|
|
|
if (info == NULL) {
|
|
if (IS_XSLT_NAME(cur, "message")) {
|
|
xsltMessage(ctxt, contextNode, cur);
|
|
} else {
|
|
/*
|
|
* That's an error try to apply one of the fallback cases
|
|
*/
|
|
ctxt->insert = insert;
|
|
if (!xsltApplyFallbacks(ctxt, contextNode, cur)) {
|
|
xsltGenericError(xsltGenericErrorContext,
|
|
"xsltApplySequenceConstructor: %s was not compiled\n",
|
|
cur->name);
|
|
}
|
|
ctxt->insert = oldInsert;
|
|
}
|
|
goto skip_children;
|
|
}
|
|
|
|
if (info->func != NULL) {
|
|
oldCurInst = ctxt->inst;
|
|
ctxt->inst = cur;
|
|
ctxt->insert = insert;
|
|
|
|
info->func(ctxt, contextNode, cur, (xsltElemPreCompPtr) info);
|
|
|
|
/*
|
|
* Cleanup temporary tree fragments.
|
|
*/
|
|
if (oldLocalFragmentTop != ctxt->localRVT)
|
|
xsltReleaseLocalRVTs(ctxt, oldLocalFragmentTop);
|
|
|
|
ctxt->insert = oldInsert;
|
|
ctxt->inst = oldCurInst;
|
|
goto skip_children;
|
|
}
|
|
|
|
if (IS_XSLT_NAME(cur, "variable")) {
|
|
xsltStackElemPtr tmpvar = ctxt->vars;
|
|
|
|
oldCurInst = ctxt->inst;
|
|
ctxt->inst = cur;
|
|
|
|
xsltParseStylesheetVariable(ctxt, cur);
|
|
|
|
ctxt->inst = oldCurInst;
|
|
|
|
if (tmpvar != ctxt->vars) {
|
|
/*
|
|
* TODO: Using a @tmpvar is an annoying workaround, but
|
|
* the current mechanisms do not provide any other way
|
|
* of knowing if the var was really pushed onto the
|
|
* stack.
|
|
*/
|
|
ctxt->vars->level = level;
|
|
}
|
|
} else if (IS_XSLT_NAME(cur, "message")) {
|
|
xsltMessage(ctxt, contextNode, cur);
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"Unexpected XSLT element '%s'.\n", cur->name);
|
|
}
|
|
goto skip_children;
|
|
} else if ((cur->type == XML_TEXT_NODE) ||
|
|
(cur->type == XML_CDATA_SECTION_NODE)) {
|
|
|
|
/*
|
|
* This text comes from the stylesheet
|
|
* For stylesheets, the set of whitespace-preserving
|
|
* element names consists of just xsl:text.
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (cur->type == XML_CDATA_SECTION_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: copy CDATA text %s\n",
|
|
cur->content));
|
|
} else if (cur->name == xmlStringTextNoenc) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: copy unescaped text %s\n",
|
|
cur->content));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: copy text %s\n",
|
|
cur->content));
|
|
}
|
|
#endif
|
|
if (xsltCopyText(ctxt, insert, cur, ctxt->internalized) == NULL)
|
|
goto error;
|
|
} else if ((cur->type == XML_ELEMENT_NODE) &&
|
|
(cur->ns != NULL) && (cur->psvi != NULL)) {
|
|
xsltTransformFunction function;
|
|
|
|
oldCurInst = ctxt->inst;
|
|
ctxt->inst = cur;
|
|
/*
|
|
* Flagged as an extension element
|
|
*/
|
|
if (cur->psvi == xsltExtMarker)
|
|
function = (xsltTransformFunction)
|
|
xsltExtElementLookup(ctxt, cur->name, cur->ns->href);
|
|
else
|
|
function = ((xsltElemPreCompPtr) cur->psvi)->func;
|
|
|
|
if (function == NULL) {
|
|
xmlNodePtr child;
|
|
int found = 0;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: unknown extension %s\n",
|
|
cur->name));
|
|
#endif
|
|
/*
|
|
* Search if there are fallbacks
|
|
*/
|
|
child = cur->children;
|
|
while (child != NULL) {
|
|
if ((IS_XSLT_ELEM(child)) &&
|
|
(IS_XSLT_NAME(child, "fallback")))
|
|
{
|
|
found = 1;
|
|
xsltApplySequenceConstructor(ctxt, contextNode,
|
|
child->children, NULL);
|
|
}
|
|
child = child->next;
|
|
}
|
|
|
|
if (!found) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"xsltApplySequenceConstructor: failed to find extension %s\n",
|
|
cur->name);
|
|
}
|
|
} else {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: extension construct %s\n",
|
|
cur->name));
|
|
#endif
|
|
|
|
/*
|
|
* Disable the xsltCopyTextString optimization for
|
|
* extension elements. Extensions could append text using
|
|
* xmlAddChild which will free the buffer pointed to by
|
|
* 'lasttext'. This buffer could later be reallocated with
|
|
* a different size than recorded in 'lasttsize'. See bug
|
|
* #777432.
|
|
*/
|
|
if (cur->psvi == xsltExtMarker) {
|
|
ctxt->lasttext = NULL;
|
|
}
|
|
|
|
ctxt->insert = insert;
|
|
|
|
function(ctxt, contextNode, cur, cur->psvi);
|
|
/*
|
|
* Cleanup temporary tree fragments.
|
|
*/
|
|
if (oldLocalFragmentTop != ctxt->localRVT)
|
|
xsltReleaseLocalRVTs(ctxt, oldLocalFragmentTop);
|
|
|
|
ctxt->insert = oldInsert;
|
|
|
|
}
|
|
ctxt->inst = oldCurInst;
|
|
goto skip_children;
|
|
} else if (cur->type == XML_ELEMENT_NODE) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplySequenceConstructor: copy node %s\n",
|
|
cur->name));
|
|
#endif
|
|
oldCurInst = ctxt->inst;
|
|
ctxt->inst = cur;
|
|
|
|
if ((copy = xsltShallowCopyElem(ctxt, cur, insert, 1)) == NULL)
|
|
goto error;
|
|
/*
|
|
* Add extra namespaces inherited from the current template
|
|
* if we are in the first level children and this is a
|
|
* "real" template.
|
|
*/
|
|
if ((templ != NULL) && (oldInsert == insert) &&
|
|
(ctxt->templ != NULL) && (ctxt->templ->inheritedNs != NULL)) {
|
|
int i;
|
|
xmlNsPtr ns, ret;
|
|
|
|
for (i = 0; i < ctxt->templ->inheritedNsNr; i++) {
|
|
const xmlChar *URI = NULL;
|
|
xsltStylesheetPtr style;
|
|
ns = ctxt->templ->inheritedNs[i];
|
|
|
|
/* Note that the XSLT namespace was already excluded
|
|
* in xsltGetInheritedNsList().
|
|
*/
|
|
#if 0
|
|
if (xmlStrEqual(ns->href, XSLT_NAMESPACE))
|
|
continue;
|
|
#endif
|
|
style = ctxt->style;
|
|
while (style != NULL) {
|
|
if (style->nsAliases != NULL)
|
|
URI = (const xmlChar *)
|
|
xmlHashLookup(style->nsAliases, ns->href);
|
|
if (URI != NULL)
|
|
break;
|
|
|
|
style = xsltNextImport(style);
|
|
}
|
|
if (URI == UNDEFINED_DEFAULT_NS)
|
|
continue;
|
|
if (URI == NULL)
|
|
URI = ns->href;
|
|
/*
|
|
* TODO: The following will still be buggy for the
|
|
* non-refactored code.
|
|
*/
|
|
ret = xmlSearchNs(copy->doc, copy, ns->prefix);
|
|
if ((ret == NULL) || (!xmlStrEqual(ret->href, URI)))
|
|
{
|
|
xmlNewNs(copy, URI, ns->prefix);
|
|
}
|
|
}
|
|
if (copy->ns != NULL) {
|
|
/*
|
|
* Fix the node namespace if needed
|
|
*/
|
|
copy->ns = xsltGetNamespace(ctxt, cur, copy->ns, copy);
|
|
}
|
|
}
|
|
/*
|
|
* all the attributes are directly inherited
|
|
*/
|
|
if (cur->properties != NULL) {
|
|
xsltAttrListTemplateProcess(ctxt, copy, cur->properties);
|
|
}
|
|
ctxt->inst = oldCurInst;
|
|
}
|
|
#endif /* else of XSLT_REFACTORED */
|
|
|
|
/*
|
|
* Descend into content in document order.
|
|
*/
|
|
if (cur->children != NULL) {
|
|
if (cur->children->type != XML_ENTITY_DECL) {
|
|
cur = cur->children;
|
|
level++;
|
|
if (copy != NULL)
|
|
insert = copy;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
skip_children:
|
|
/*
|
|
* If xslt:message was just processed, we might have hit a
|
|
* terminate='yes'; if so, then break the loop and clean up.
|
|
* TODO: Do we need to check this also before trying to descend
|
|
* into the content?
|
|
*/
|
|
if (ctxt->state == XSLT_STATE_STOPPED)
|
|
break;
|
|
if (cur->next != NULL) {
|
|
cur = cur->next;
|
|
continue;
|
|
}
|
|
|
|
do {
|
|
cur = cur->parent;
|
|
level--;
|
|
/*
|
|
* Pop variables/params (xsl:variable and xsl:param).
|
|
*/
|
|
if ((ctxt->varsNr > oldVarsNr) && (ctxt->vars->level > level)) {
|
|
xsltLocalVariablePop(ctxt, oldVarsNr, level);
|
|
}
|
|
|
|
insert = insert->parent;
|
|
if (cur == NULL)
|
|
break;
|
|
if (cur == list->parent) {
|
|
cur = NULL;
|
|
break;
|
|
}
|
|
if (cur->next != NULL) {
|
|
cur = cur->next;
|
|
break;
|
|
}
|
|
} while (cur != NULL);
|
|
}
|
|
|
|
error:
|
|
/*
|
|
* In case of errors: pop remaining variables.
|
|
*/
|
|
if (ctxt->varsNr > oldVarsNr)
|
|
xsltLocalVariablePop(ctxt, oldVarsNr, -1);
|
|
|
|
ctxt->node = oldContextNode;
|
|
ctxt->inst = oldInst;
|
|
ctxt->insert = oldInsert;
|
|
|
|
ctxt->depth--;
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if ((ctxt->debugStatus != XSLT_DEBUG_NONE) && (addCallResult)) {
|
|
xslDropCall();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* xsltApplyXSLTTemplate:
|
|
* @ctxt: a XSLT transformation context
|
|
* @contextNode: the node in the source tree.
|
|
* @list: the nodes of a sequence constructor;
|
|
* (plus leading xsl:param elements)
|
|
* @templ: the compiled xsl:template declaration;
|
|
* NULL if a sequence constructor
|
|
* @withParams: a set of caller-parameters (xsl:with-param) or NULL
|
|
*
|
|
* Called by:
|
|
* - xsltApplyImports()
|
|
* - xsltCallTemplate()
|
|
* - xsltDefaultProcessOneNode()
|
|
* - xsltProcessOneNode()
|
|
*/
|
|
static void
|
|
xsltApplyXSLTTemplate(xsltTransformContextPtr ctxt,
|
|
xmlNodePtr contextNode,
|
|
xmlNodePtr list,
|
|
xsltTemplatePtr templ,
|
|
xsltStackElemPtr withParams)
|
|
{
|
|
int oldVarsBase = 0;
|
|
long start = 0;
|
|
xmlNodePtr cur;
|
|
xsltStackElemPtr tmpParam = NULL;
|
|
xmlDocPtr oldUserFragmentTop;
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemParamPtr iparam;
|
|
#else
|
|
xsltStylePreCompPtr iparam;
|
|
#endif
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
int addCallResult = 0;
|
|
#endif
|
|
|
|
if (ctxt == NULL)
|
|
return;
|
|
if (templ == NULL) {
|
|
xsltTransformError(ctxt, NULL, list,
|
|
"xsltApplyXSLTTemplate: Bad arguments; @templ is mandatory.\n");
|
|
return;
|
|
}
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (ctxt->debugStatus != XSLT_DEBUG_NONE) {
|
|
if (xsltDebuggerStartSequenceConstructor(ctxt, contextNode,
|
|
list, templ, &addCallResult) == NULL)
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (list == NULL)
|
|
return;
|
|
CHECK_STOPPED;
|
|
|
|
if (ctxt->varsNr >= ctxt->maxTemplateVars)
|
|
{
|
|
xsltTransformError(ctxt, NULL, list,
|
|
"xsltApplyXSLTTemplate: A potential infinite template recursion "
|
|
"was detected.\n"
|
|
"You can adjust maxTemplateVars (--maxvars) in order to "
|
|
"raise the maximum number of variables/params (currently set to %d).\n",
|
|
ctxt->maxTemplateVars);
|
|
xsltDebug(ctxt, contextNode, list, NULL);
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
return;
|
|
}
|
|
|
|
oldUserFragmentTop = ctxt->tmpRVT;
|
|
ctxt->tmpRVT = NULL;
|
|
|
|
/*
|
|
* Initiate a distinct scope of local params/variables.
|
|
*/
|
|
oldVarsBase = ctxt->varsBase;
|
|
ctxt->varsBase = ctxt->varsNr;
|
|
|
|
ctxt->node = contextNode;
|
|
if (ctxt->profile) {
|
|
templ->nbCalls++;
|
|
start = xsltTimestamp();
|
|
profPush(ctxt, 0);
|
|
profCallgraphAdd(templ, ctxt->templ);
|
|
}
|
|
/*
|
|
* Push the xsl:template declaration onto the stack.
|
|
*/
|
|
templPush(ctxt, templ);
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (templ->name != NULL)
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"applying xsl:template '%s'\n", templ->name));
|
|
#endif
|
|
/*
|
|
* Process xsl:param instructions and skip those elements for
|
|
* further processing.
|
|
*/
|
|
cur = list;
|
|
do {
|
|
if (cur->type == XML_TEXT_NODE) {
|
|
cur = cur->next;
|
|
continue;
|
|
}
|
|
if ((cur->type != XML_ELEMENT_NODE) ||
|
|
(cur->name[0] != 'p') ||
|
|
(cur->psvi == NULL) ||
|
|
(! xmlStrEqual(cur->name, BAD_CAST "param")) ||
|
|
(! IS_XSLT_ELEM(cur)))
|
|
{
|
|
break;
|
|
}
|
|
|
|
list = cur->next;
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
iparam = (xsltStyleItemParamPtr) cur->psvi;
|
|
#else
|
|
iparam = (xsltStylePreCompPtr) cur->psvi;
|
|
#endif
|
|
|
|
/*
|
|
* Substitute xsl:param for a given xsl:with-param.
|
|
* Since the XPath expression will reference the params/vars
|
|
* by index, we need to slot the xsl:with-params in the
|
|
* order of encountered xsl:params to keep the sequence of
|
|
* params/variables in the stack exactly as it was at
|
|
* compile time,
|
|
*/
|
|
tmpParam = NULL;
|
|
if (withParams) {
|
|
tmpParam = withParams;
|
|
do {
|
|
if ((tmpParam->name == (iparam->name)) &&
|
|
(tmpParam->nameURI == (iparam->ns)))
|
|
{
|
|
/*
|
|
* Push the caller-parameter.
|
|
*/
|
|
xsltLocalVariablePush(ctxt, tmpParam, -1);
|
|
break;
|
|
}
|
|
tmpParam = tmpParam->next;
|
|
} while (tmpParam != NULL);
|
|
}
|
|
/*
|
|
* Push the xsl:param.
|
|
*/
|
|
if (tmpParam == NULL) {
|
|
/*
|
|
* Note that we must assume that the added parameter
|
|
* has a @depth of 0.
|
|
*/
|
|
xsltParseStylesheetParam(ctxt, cur);
|
|
}
|
|
cur = cur->next;
|
|
} while (cur != NULL);
|
|
/*
|
|
* Process the sequence constructor.
|
|
*/
|
|
xsltApplySequenceConstructor(ctxt, contextNode, list, templ);
|
|
|
|
/*
|
|
* Remove remaining xsl:param and xsl:with-param items from
|
|
* the stack. Don't free xsl:with-param items.
|
|
*/
|
|
if (ctxt->varsNr > ctxt->varsBase)
|
|
xsltTemplateParamsCleanup(ctxt);
|
|
ctxt->varsBase = oldVarsBase;
|
|
|
|
/*
|
|
* Release user-created fragments stored in the scope
|
|
* of xsl:template. Note that this mechanism is deprecated:
|
|
* user code should now use xsltRegisterLocalRVT() instead
|
|
* of the obsolete xsltRegisterTmpRVT().
|
|
*/
|
|
if (ctxt->tmpRVT) {
|
|
xmlDocPtr curdoc = ctxt->tmpRVT, tmp;
|
|
|
|
while (curdoc != NULL) {
|
|
tmp = curdoc;
|
|
curdoc = (xmlDocPtr) curdoc->next;
|
|
xsltReleaseRVT(ctxt, tmp);
|
|
}
|
|
}
|
|
ctxt->tmpRVT = oldUserFragmentTop;
|
|
|
|
/*
|
|
* Pop the xsl:template declaration from the stack.
|
|
*/
|
|
templPop(ctxt);
|
|
if (ctxt->profile) {
|
|
long spent, child, total, end;
|
|
|
|
end = xsltTimestamp();
|
|
child = profPop(ctxt);
|
|
total = end - start;
|
|
spent = total - child;
|
|
if (spent <= 0) {
|
|
/*
|
|
* Not possible unless the original calibration failed
|
|
* we can try to correct it on the fly.
|
|
*/
|
|
xsltCalibrateAdjust(spent);
|
|
spent = 0;
|
|
}
|
|
|
|
templ->time += spent;
|
|
if (ctxt->profNr > 0)
|
|
ctxt->profTab[ctxt->profNr - 1] += total;
|
|
}
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if ((ctxt->debugStatus != XSLT_DEBUG_NONE) && (addCallResult)) {
|
|
xslDropCall();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/**
|
|
* xsltApplyOneTemplate:
|
|
* @ctxt: a XSLT process context
|
|
* @contextNode: the node in the source tree.
|
|
* @list: the nodes of a sequence constructor
|
|
* @templ: not used
|
|
* @params: a set of parameters (xsl:param) or NULL
|
|
*
|
|
* Processes a sequence constructor on the current node in the source tree.
|
|
*
|
|
* @params are the already computed variable stack items; this function
|
|
* pushes them on the variable stack, and pops them before exiting; it's
|
|
* left to the caller to free or reuse @params afterwards. The initial
|
|
* states of the variable stack will always be restored before this
|
|
* function exits.
|
|
* NOTE that this does *not* initiate a new distinct variable scope; i.e.
|
|
* variables already on the stack are visible to the process. The caller's
|
|
* side needs to start a new variable scope if needed (e.g. in exsl:function).
|
|
*
|
|
* @templ is obsolete and not used anymore (e.g. <exslt:function> does not
|
|
* provide a @templ); a non-NULL @templ might raise an error in the future.
|
|
*
|
|
* BIG NOTE: This function is not intended to process the content of an
|
|
* xsl:template; it does not expect xsl:param instructions in @list and
|
|
* will report errors if found.
|
|
*
|
|
* Called by:
|
|
* - xsltEvalVariable() (variables.c)
|
|
* - exsltFuncFunctionFunction() (libexsl/functions.c)
|
|
*/
|
|
void
|
|
xsltApplyOneTemplate(xsltTransformContextPtr ctxt,
|
|
xmlNodePtr contextNode,
|
|
xmlNodePtr list,
|
|
xsltTemplatePtr templ ATTRIBUTE_UNUSED,
|
|
xsltStackElemPtr params)
|
|
{
|
|
if ((ctxt == NULL) || (list == NULL))
|
|
return;
|
|
CHECK_STOPPED;
|
|
|
|
if (params) {
|
|
/*
|
|
* This code should be obsolete - was previously used
|
|
* by libexslt/functions.c, but due to bug 381319 the
|
|
* logic there was changed.
|
|
*/
|
|
int oldVarsNr = ctxt->varsNr;
|
|
|
|
/*
|
|
* Push the given xsl:param(s) onto the variable stack.
|
|
*/
|
|
while (params != NULL) {
|
|
xsltLocalVariablePush(ctxt, params, -1);
|
|
params = params->next;
|
|
}
|
|
xsltApplySequenceConstructor(ctxt, contextNode, list, templ);
|
|
/*
|
|
* Pop the given xsl:param(s) from the stack but don't free them.
|
|
*/
|
|
xsltLocalVariablePop(ctxt, oldVarsNr, -2);
|
|
} else
|
|
xsltApplySequenceConstructor(ctxt, contextNode, list, templ);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* XSLT-1.1 extensions *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xsltDocumentElem:
|
|
* @ctxt: an XSLT processing context
|
|
* @node: The current node
|
|
* @inst: the instruction in the stylesheet
|
|
* @castedComp: precomputed information
|
|
*
|
|
* Process an EXSLT/XSLT-1.1 document element
|
|
*/
|
|
void
|
|
xsltDocumentElem(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemDocumentPtr comp = (xsltStyleItemDocumentPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
xsltStylesheetPtr style = NULL;
|
|
int ret;
|
|
xmlChar *filename = NULL, *prop, *elements;
|
|
xmlChar *element, *end;
|
|
xmlDocPtr res = NULL;
|
|
xmlDocPtr oldOutput;
|
|
xmlNodePtr oldInsert, root;
|
|
const char *oldOutputFile;
|
|
xsltOutputType oldType;
|
|
xmlChar *URL = NULL;
|
|
const xmlChar *method;
|
|
const xmlChar *doctypePublic;
|
|
const xmlChar *doctypeSystem;
|
|
const xmlChar *version;
|
|
const xmlChar *encoding;
|
|
int redirect_write_append = 0;
|
|
|
|
if ((ctxt == NULL) || (node == NULL) || (inst == NULL) || (comp == NULL))
|
|
return;
|
|
|
|
if (comp->filename == NULL) {
|
|
|
|
if (xmlStrEqual(inst->name, (const xmlChar *) "output")) {
|
|
/*
|
|
* The element "output" is in the namespace XSLT_SAXON_NAMESPACE
|
|
* (http://icl.com/saxon)
|
|
* The @file is in no namespace.
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_EXTRA
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"Found saxon:output extension\n");
|
|
#endif
|
|
URL = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "file",
|
|
XSLT_SAXON_NAMESPACE);
|
|
|
|
if (URL == NULL)
|
|
URL = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "href",
|
|
XSLT_SAXON_NAMESPACE);
|
|
} else if (xmlStrEqual(inst->name, (const xmlChar *) "write")) {
|
|
#ifdef WITH_XSLT_DEBUG_EXTRA
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"Found xalan:write extension\n");
|
|
#endif
|
|
URL = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)
|
|
"select",
|
|
XSLT_XALAN_NAMESPACE);
|
|
if (URL != NULL) {
|
|
xmlXPathCompExprPtr cmp;
|
|
xmlChar *val;
|
|
|
|
/*
|
|
* Trying to handle bug #59212
|
|
* The value of the "select" attribute is an
|
|
* XPath expression.
|
|
* (see http://xml.apache.org/xalan-j/extensionslib.html#redirect)
|
|
*/
|
|
cmp = xmlXPathCompile(URL);
|
|
val = xsltEvalXPathString(ctxt, cmp);
|
|
xmlXPathFreeCompExpr(cmp);
|
|
xmlFree(URL);
|
|
URL = val;
|
|
}
|
|
if (URL == NULL)
|
|
URL = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)
|
|
"file",
|
|
XSLT_XALAN_NAMESPACE);
|
|
if (URL == NULL)
|
|
URL = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)
|
|
"href",
|
|
XSLT_XALAN_NAMESPACE);
|
|
} else if (xmlStrEqual(inst->name, (const xmlChar *) "document")) {
|
|
URL = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "href",
|
|
NULL);
|
|
}
|
|
|
|
} else {
|
|
URL = xmlStrdup(comp->filename);
|
|
}
|
|
|
|
if (URL == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsltDocumentElem: href/URI-Reference not found\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If the computation failed, it's likely that the URL wasn't escaped
|
|
*/
|
|
filename = xmlBuildURI(URL, (const xmlChar *) ctxt->outputFile);
|
|
if (filename == NULL) {
|
|
xmlChar *escURL;
|
|
|
|
escURL=xmlURIEscapeStr(URL, BAD_CAST ":/.?,");
|
|
if (escURL != NULL) {
|
|
filename = xmlBuildURI(escURL, (const xmlChar *) ctxt->outputFile);
|
|
xmlFree(escURL);
|
|
}
|
|
}
|
|
|
|
if (filename == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsltDocumentElem: URL computation failed for %s\n",
|
|
URL);
|
|
xmlFree(URL);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Security checking: can we write to this resource
|
|
*/
|
|
if (ctxt->sec != NULL) {
|
|
ret = xsltCheckWrite(ctxt->sec, ctxt, filename);
|
|
if (ret == 0) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsltDocumentElem: write rights for %s denied\n",
|
|
filename);
|
|
xmlFree(URL);
|
|
xmlFree(filename);
|
|
return;
|
|
}
|
|
}
|
|
|
|
oldOutputFile = ctxt->outputFile;
|
|
oldOutput = ctxt->output;
|
|
oldInsert = ctxt->insert;
|
|
oldType = ctxt->type;
|
|
ctxt->outputFile = (const char *) filename;
|
|
|
|
style = xsltNewStylesheet();
|
|
if (style == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsltDocumentElem: out of memory\n");
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* Version described in 1.1 draft allows full parameterization
|
|
* of the output.
|
|
*/
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "version",
|
|
NULL);
|
|
if (prop != NULL) {
|
|
if (style->version != NULL)
|
|
xmlFree(style->version);
|
|
style->version = prop;
|
|
}
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "encoding",
|
|
NULL);
|
|
if (prop != NULL) {
|
|
if (style->encoding != NULL)
|
|
xmlFree(style->encoding);
|
|
style->encoding = prop;
|
|
}
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "method",
|
|
NULL);
|
|
if (prop != NULL) {
|
|
const xmlChar *URI;
|
|
|
|
if (style->method != NULL)
|
|
xmlFree(style->method);
|
|
style->method = NULL;
|
|
if (style->methodURI != NULL)
|
|
xmlFree(style->methodURI);
|
|
style->methodURI = NULL;
|
|
|
|
URI = xsltGetQNameURI(inst, &prop);
|
|
if (prop == NULL) {
|
|
if (style != NULL) style->errors++;
|
|
} else if (URI == NULL) {
|
|
if ((xmlStrEqual(prop, (const xmlChar *) "xml")) ||
|
|
(xmlStrEqual(prop, (const xmlChar *) "html")) ||
|
|
(xmlStrEqual(prop, (const xmlChar *) "text"))) {
|
|
style->method = prop;
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"invalid value for method: %s\n", prop);
|
|
if (style != NULL) style->warnings++;
|
|
}
|
|
} else {
|
|
style->method = prop;
|
|
style->methodURI = xmlStrdup(URI);
|
|
}
|
|
}
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)
|
|
"doctype-system", NULL);
|
|
if (prop != NULL) {
|
|
if (style->doctypeSystem != NULL)
|
|
xmlFree(style->doctypeSystem);
|
|
style->doctypeSystem = prop;
|
|
}
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)
|
|
"doctype-public", NULL);
|
|
if (prop != NULL) {
|
|
if (style->doctypePublic != NULL)
|
|
xmlFree(style->doctypePublic);
|
|
style->doctypePublic = prop;
|
|
}
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "standalone",
|
|
NULL);
|
|
if (prop != NULL) {
|
|
if (xmlStrEqual(prop, (const xmlChar *) "yes")) {
|
|
style->standalone = 1;
|
|
} else if (xmlStrEqual(prop, (const xmlChar *) "no")) {
|
|
style->standalone = 0;
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"invalid value for standalone: %s\n",
|
|
prop);
|
|
if (style != NULL) style->warnings++;
|
|
}
|
|
xmlFree(prop);
|
|
}
|
|
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "indent",
|
|
NULL);
|
|
if (prop != NULL) {
|
|
if (xmlStrEqual(prop, (const xmlChar *) "yes")) {
|
|
style->indent = 1;
|
|
} else if (xmlStrEqual(prop, (const xmlChar *) "no")) {
|
|
style->indent = 0;
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"invalid value for indent: %s\n", prop);
|
|
if (style != NULL) style->warnings++;
|
|
}
|
|
xmlFree(prop);
|
|
}
|
|
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)
|
|
"omit-xml-declaration",
|
|
NULL);
|
|
if (prop != NULL) {
|
|
if (xmlStrEqual(prop, (const xmlChar *) "yes")) {
|
|
style->omitXmlDeclaration = 1;
|
|
} else if (xmlStrEqual(prop, (const xmlChar *) "no")) {
|
|
style->omitXmlDeclaration = 0;
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"invalid value for omit-xml-declaration: %s\n",
|
|
prop);
|
|
if (style != NULL) style->warnings++;
|
|
}
|
|
xmlFree(prop);
|
|
}
|
|
|
|
elements = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)
|
|
"cdata-section-elements",
|
|
NULL);
|
|
if (elements != NULL) {
|
|
if (style->stripSpaces == NULL)
|
|
style->stripSpaces = xmlHashCreate(10);
|
|
if (style->stripSpaces == NULL)
|
|
return;
|
|
|
|
element = elements;
|
|
while (*element != 0) {
|
|
while (IS_BLANK_CH(*element))
|
|
element++;
|
|
if (*element == 0)
|
|
break;
|
|
end = element;
|
|
while ((*end != 0) && (!IS_BLANK_CH(*end)))
|
|
end++;
|
|
element = xmlStrndup(element, end - element);
|
|
if (element) {
|
|
const xmlChar *URI;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PARSING
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"add cdata section output element %s\n",
|
|
element);
|
|
#endif
|
|
URI = xsltGetQNameURI(inst, &element);
|
|
|
|
xmlHashAddEntry2(style->stripSpaces, element, URI,
|
|
(xmlChar *) "cdata");
|
|
xmlFree(element);
|
|
}
|
|
element = end;
|
|
}
|
|
xmlFree(elements);
|
|
}
|
|
|
|
/*
|
|
* Create a new document tree and process the element template
|
|
*/
|
|
XSLT_GET_IMPORT_PTR(method, style, method)
|
|
XSLT_GET_IMPORT_PTR(doctypePublic, style, doctypePublic)
|
|
XSLT_GET_IMPORT_PTR(doctypeSystem, style, doctypeSystem)
|
|
XSLT_GET_IMPORT_PTR(version, style, version)
|
|
XSLT_GET_IMPORT_PTR(encoding, style, encoding)
|
|
|
|
if ((method != NULL) &&
|
|
(!xmlStrEqual(method, (const xmlChar *) "xml"))) {
|
|
if (xmlStrEqual(method, (const xmlChar *) "html")) {
|
|
ctxt->type = XSLT_OUTPUT_HTML;
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL)))
|
|
res = htmlNewDoc(doctypeSystem, doctypePublic);
|
|
else {
|
|
if (version != NULL) {
|
|
#ifdef XSLT_GENERATE_HTML_DOCTYPE
|
|
xsltGetHTMLIDs(version, &doctypePublic, &doctypeSystem);
|
|
#endif
|
|
}
|
|
res = htmlNewDocNoDtD(doctypeSystem, doctypePublic);
|
|
}
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(res->dict);
|
|
} else if (xmlStrEqual(method, (const xmlChar *) "xhtml")) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsltDocumentElem: unsupported method xhtml\n");
|
|
ctxt->type = XSLT_OUTPUT_HTML;
|
|
res = htmlNewDocNoDtD(doctypeSystem, doctypePublic);
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(res->dict);
|
|
} else if (xmlStrEqual(method, (const xmlChar *) "text")) {
|
|
ctxt->type = XSLT_OUTPUT_TEXT;
|
|
res = xmlNewDoc(style->version);
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(res->dict);
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"reusing transformation dict for output\n");
|
|
#endif
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsltDocumentElem: unsupported method (%s)\n",
|
|
method);
|
|
goto error;
|
|
}
|
|
} else {
|
|
ctxt->type = XSLT_OUTPUT_XML;
|
|
res = xmlNewDoc(style->version);
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(res->dict);
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"reusing transformation dict for output\n");
|
|
#endif
|
|
}
|
|
res->charset = XML_CHAR_ENCODING_UTF8;
|
|
if (encoding != NULL)
|
|
res->encoding = xmlStrdup(encoding);
|
|
ctxt->output = res;
|
|
ctxt->insert = (xmlNodePtr) res;
|
|
xsltApplySequenceConstructor(ctxt, node, inst->children, NULL);
|
|
|
|
/*
|
|
* Do some post processing work depending on the generated output
|
|
*/
|
|
root = xmlDocGetRootElement(res);
|
|
if (root != NULL) {
|
|
const xmlChar *doctype = NULL;
|
|
|
|
if ((root->ns != NULL) && (root->ns->prefix != NULL))
|
|
doctype = xmlDictQLookup(ctxt->dict, root->ns->prefix, root->name);
|
|
if (doctype == NULL)
|
|
doctype = root->name;
|
|
|
|
/*
|
|
* Apply the default selection of the method
|
|
*/
|
|
if ((method == NULL) &&
|
|
(root->ns == NULL) &&
|
|
(!xmlStrcasecmp(root->name, (const xmlChar *) "html"))) {
|
|
xmlNodePtr tmp;
|
|
|
|
tmp = res->children;
|
|
while ((tmp != NULL) && (tmp != root)) {
|
|
if (tmp->type == XML_ELEMENT_NODE)
|
|
break;
|
|
if ((tmp->type == XML_TEXT_NODE) && (!xmlIsBlankNode(tmp)))
|
|
break;
|
|
tmp = tmp->next;
|
|
}
|
|
if (tmp == root) {
|
|
ctxt->type = XSLT_OUTPUT_HTML;
|
|
res->type = XML_HTML_DOCUMENT_NODE;
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL))) {
|
|
res->intSubset = xmlCreateIntSubset(res, doctype,
|
|
doctypePublic,
|
|
doctypeSystem);
|
|
#ifdef XSLT_GENERATE_HTML_DOCTYPE
|
|
} else if (version != NULL) {
|
|
xsltGetHTMLIDs(version, &doctypePublic,
|
|
&doctypeSystem);
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL)))
|
|
res->intSubset =
|
|
xmlCreateIntSubset(res, doctype,
|
|
doctypePublic,
|
|
doctypeSystem);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
}
|
|
if (ctxt->type == XSLT_OUTPUT_XML) {
|
|
XSLT_GET_IMPORT_PTR(doctypePublic, style, doctypePublic)
|
|
XSLT_GET_IMPORT_PTR(doctypeSystem, style, doctypeSystem)
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL)))
|
|
res->intSubset = xmlCreateIntSubset(res, doctype,
|
|
doctypePublic,
|
|
doctypeSystem);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Calls to redirect:write also take an optional attribute append.
|
|
* Attribute append="true|yes" which will attempt to simply append
|
|
* to an existing file instead of always opening a new file. The
|
|
* default behavior of always overwriting the file still happens
|
|
* if we do not specify append.
|
|
* Note that append use will forbid use of remote URI target.
|
|
*/
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst, (const xmlChar *)"append",
|
|
NULL);
|
|
if (prop != NULL) {
|
|
if (xmlStrEqual(prop, (const xmlChar *) "true") ||
|
|
xmlStrEqual(prop, (const xmlChar *) "yes")) {
|
|
style->omitXmlDeclaration = 1;
|
|
redirect_write_append = 1;
|
|
} else
|
|
style->omitXmlDeclaration = 0;
|
|
xmlFree(prop);
|
|
}
|
|
|
|
if (redirect_write_append) {
|
|
FILE *f;
|
|
|
|
f = fopen((const char *) filename, "ab");
|
|
if (f == NULL) {
|
|
ret = -1;
|
|
} else {
|
|
ret = xsltSaveResultToFile(f, res, style);
|
|
fclose(f);
|
|
}
|
|
} else {
|
|
ret = xsltSaveResultToFilename((const char *) filename, res, style, 0);
|
|
}
|
|
if (ret < 0) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsltDocumentElem: unable to save to %s\n",
|
|
filename);
|
|
#ifdef WITH_XSLT_DEBUG_EXTRA
|
|
} else {
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"Wrote %d bytes to %s\n", ret, filename);
|
|
#endif
|
|
}
|
|
|
|
error:
|
|
ctxt->output = oldOutput;
|
|
ctxt->insert = oldInsert;
|
|
ctxt->type = oldType;
|
|
ctxt->outputFile = oldOutputFile;
|
|
if (URL != NULL)
|
|
xmlFree(URL);
|
|
if (filename != NULL)
|
|
xmlFree(filename);
|
|
if (style != NULL)
|
|
xsltFreeStylesheet(style);
|
|
if (res != NULL)
|
|
xmlFreeDoc(res);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Most of the XSLT-1.0 transformations *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xsltSort:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the xslt sort node
|
|
* @comp: precomputed information
|
|
*
|
|
* function attached to xsl:sort nodes, but this should not be
|
|
* called directly
|
|
*/
|
|
void
|
|
xsltSort(xsltTransformContextPtr ctxt,
|
|
xmlNodePtr node ATTRIBUTE_UNUSED, xmlNodePtr inst,
|
|
xsltStylePreCompPtr comp) {
|
|
if (comp == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:sort : compilation failed\n");
|
|
return;
|
|
}
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:sort : improper use this should not be reached\n");
|
|
}
|
|
|
|
/**
|
|
* xsltCopy:
|
|
* @ctxt: an XSLT process context
|
|
* @node: the node in the source tree
|
|
* @inst: the element node of the XSLT-copy instruction
|
|
* @castedComp: computed information of the XSLT-copy instruction
|
|
*
|
|
* Execute the XSLT-copy instruction on the source node.
|
|
*/
|
|
void
|
|
xsltCopy(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemCopyPtr comp = (xsltStyleItemCopyPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
xmlNodePtr copy, oldInsert;
|
|
|
|
oldInsert = ctxt->insert;
|
|
if (ctxt->insert != NULL) {
|
|
switch (node->type) {
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
/*
|
|
* This text comes from the stylesheet
|
|
* For stylesheets, the set of whitespace-preserving
|
|
* element names consists of just xsl:text.
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (node->type == XML_CDATA_SECTION_NODE) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopy: CDATA text %s\n", node->content));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopy: text %s\n", node->content));
|
|
}
|
|
#endif
|
|
xsltCopyText(ctxt, ctxt->insert, node, 0);
|
|
break;
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
break;
|
|
case XML_ELEMENT_NODE:
|
|
/*
|
|
* REVISIT NOTE: The "fake" is a doc-node, not an element node.
|
|
* REMOVED:
|
|
* if (xmlStrEqual(node->name, BAD_CAST " fake node libxslt"))
|
|
* return;
|
|
*/
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopy: node %s\n", node->name));
|
|
#endif
|
|
copy = xsltShallowCopyElem(ctxt, node, ctxt->insert, 0);
|
|
ctxt->insert = copy;
|
|
if (comp->use != NULL) {
|
|
xsltApplyAttributeSet(ctxt, node, inst, comp->use);
|
|
}
|
|
break;
|
|
case XML_ATTRIBUTE_NODE: {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopy: attribute %s\n", node->name));
|
|
#endif
|
|
/*
|
|
* REVISIT: We could also raise an error if the parent is not
|
|
* an element node.
|
|
* OPTIMIZE TODO: Can we set the value/children of the
|
|
* attribute without an intermediate copy of the string value?
|
|
*/
|
|
xsltShallowCopyAttr(ctxt, inst, ctxt->insert, (xmlAttrPtr) node);
|
|
break;
|
|
}
|
|
case XML_PI_NODE:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopy: PI %s\n", node->name));
|
|
#endif
|
|
copy = xmlNewDocPI(ctxt->insert->doc, node->name,
|
|
node->content);
|
|
copy = xsltAddChild(ctxt->insert, copy);
|
|
break;
|
|
case XML_COMMENT_NODE:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopy: comment\n"));
|
|
#endif
|
|
copy = xmlNewComment(node->content);
|
|
copy = xsltAddChild(ctxt->insert, copy);
|
|
break;
|
|
case XML_NAMESPACE_DECL:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopy: namespace declaration\n"));
|
|
#endif
|
|
xsltShallowCopyNsNode(ctxt, inst, ctxt->insert, (xmlNsPtr)node);
|
|
break;
|
|
default:
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
switch (node->type) {
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
xsltApplySequenceConstructor(ctxt, ctxt->node, inst->children,
|
|
NULL);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
ctxt->insert = oldInsert;
|
|
}
|
|
|
|
/**
|
|
* xsltText:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the xslt text node
|
|
* @comp: precomputed information
|
|
*
|
|
* Process the xslt text node on the source node
|
|
*/
|
|
void
|
|
xsltText(xsltTransformContextPtr ctxt, xmlNodePtr node ATTRIBUTE_UNUSED,
|
|
xmlNodePtr inst, xsltStylePreCompPtr comp ATTRIBUTE_UNUSED) {
|
|
if ((inst->children != NULL) && (comp != NULL)) {
|
|
xmlNodePtr text = inst->children;
|
|
xmlNodePtr copy;
|
|
|
|
while (text != NULL) {
|
|
if ((text->type != XML_TEXT_NODE) &&
|
|
(text->type != XML_CDATA_SECTION_NODE)) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:text content problem\n");
|
|
break;
|
|
}
|
|
copy = xmlNewDocText(ctxt->output, text->content);
|
|
if (text->type != XML_CDATA_SECTION_NODE) {
|
|
#ifdef WITH_XSLT_DEBUG_PARSING
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"Disable escaping: %s\n", text->content);
|
|
#endif
|
|
copy->name = xmlStringTextNoenc;
|
|
}
|
|
copy = xsltAddChild(ctxt->insert, copy);
|
|
text = text->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xsltElement:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the xslt element node
|
|
* @castedComp: precomputed information
|
|
*
|
|
* Process the xslt element node on the source node
|
|
*/
|
|
void
|
|
xsltElement(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp) {
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemElementPtr comp = (xsltStyleItemElementPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
xmlChar *prop = NULL;
|
|
const xmlChar *name, *prefix = NULL, *nsName = NULL;
|
|
xmlNodePtr copy;
|
|
xmlNodePtr oldInsert;
|
|
|
|
if (ctxt->insert == NULL)
|
|
return;
|
|
|
|
/*
|
|
* A comp->has_name == 0 indicates that we need to skip this instruction,
|
|
* since it was evaluated to be invalid already during compilation.
|
|
*/
|
|
if (!comp->has_name)
|
|
return;
|
|
|
|
/*
|
|
* stack and saves
|
|
*/
|
|
oldInsert = ctxt->insert;
|
|
|
|
if (comp->name == NULL) {
|
|
/* TODO: fix attr acquisition wrt to the XSLT namespace */
|
|
prop = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "name", XSLT_NAMESPACE);
|
|
if (prop == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:element: The attribute 'name' is missing.\n");
|
|
goto error;
|
|
}
|
|
if (xmlValidateQName(prop, 0)) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:element: The effective name '%s' is not a "
|
|
"valid QName.\n", prop);
|
|
/* we fall through to catch any further errors, if possible */
|
|
}
|
|
name = xsltSplitQName(ctxt->dict, prop, &prefix);
|
|
xmlFree(prop);
|
|
} else {
|
|
/*
|
|
* The "name" value was static.
|
|
*/
|
|
#ifdef XSLT_REFACTORED
|
|
prefix = comp->nsPrefix;
|
|
name = comp->name;
|
|
#else
|
|
name = xsltSplitQName(ctxt->dict, comp->name, &prefix);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Create the new element
|
|
*/
|
|
if (ctxt->output->dict == ctxt->dict) {
|
|
copy = xmlNewDocNodeEatName(ctxt->output, NULL, (xmlChar *)name, NULL);
|
|
} else {
|
|
copy = xmlNewDocNode(ctxt->output, NULL, (xmlChar *)name, NULL);
|
|
}
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:element : creation of %s failed\n", name);
|
|
return;
|
|
}
|
|
copy = xsltAddChild(ctxt->insert, copy);
|
|
if (copy == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:element : xsltAddChild failed\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Namespace
|
|
* ---------
|
|
*/
|
|
if (comp->has_ns) {
|
|
if (comp->ns != NULL) {
|
|
/*
|
|
* No AVT; just plain text for the namespace name.
|
|
*/
|
|
if (comp->ns[0] != 0)
|
|
nsName = comp->ns;
|
|
} else {
|
|
xmlChar *tmpNsName;
|
|
/*
|
|
* Eval the AVT.
|
|
*/
|
|
/* TODO: check attr acquisition wrt to the XSLT namespace */
|
|
tmpNsName = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *) "namespace", XSLT_NAMESPACE);
|
|
/*
|
|
* SPEC XSLT 1.0:
|
|
* "If the string is empty, then the expanded-name of the
|
|
* attribute has a null namespace URI."
|
|
*/
|
|
if ((tmpNsName != NULL) && (tmpNsName[0] != 0))
|
|
nsName = xmlDictLookup(ctxt->dict, BAD_CAST tmpNsName, -1);
|
|
xmlFree(tmpNsName);
|
|
}
|
|
|
|
if (xmlStrEqual(nsName, BAD_CAST "http://www.w3.org/2000/xmlns/")) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:attribute: Namespace http://www.w3.org/2000/xmlns/ "
|
|
"forbidden.\n");
|
|
goto error;
|
|
}
|
|
if (xmlStrEqual(nsName, XML_XML_NAMESPACE)) {
|
|
prefix = BAD_CAST "xml";
|
|
} else if (xmlStrEqual(prefix, BAD_CAST "xml")) {
|
|
prefix = NULL;
|
|
}
|
|
} else {
|
|
xmlNsPtr ns;
|
|
/*
|
|
* SPEC XSLT 1.0:
|
|
* "If the namespace attribute is not present, then the QName is
|
|
* expanded into an expanded-name using the namespace declarations
|
|
* in effect for the xsl:element element, including any default
|
|
* namespace declaration.
|
|
*/
|
|
ns = xmlSearchNs(inst->doc, inst, prefix);
|
|
if (ns == NULL) {
|
|
/*
|
|
* TODO: Check this in the compilation layer in case it's a
|
|
* static value.
|
|
*/
|
|
if (prefix != NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:element: The QName '%s:%s' has no "
|
|
"namespace binding in scope in the stylesheet; "
|
|
"this is an error, since the namespace was not "
|
|
"specified by the instruction itself.\n", prefix, name);
|
|
}
|
|
} else
|
|
nsName = ns->href;
|
|
}
|
|
/*
|
|
* Find/create a matching ns-decl in the result tree.
|
|
*/
|
|
if (nsName != NULL) {
|
|
if (xmlStrEqual(prefix, BAD_CAST "xmlns")) {
|
|
/* Don't use a prefix of "xmlns" */
|
|
xmlChar *pref = xmlStrdup(BAD_CAST "ns_1");
|
|
|
|
copy->ns = xsltGetSpecialNamespace(ctxt, inst, nsName, pref, copy);
|
|
|
|
xmlFree(pref);
|
|
} else {
|
|
copy->ns = xsltGetSpecialNamespace(ctxt, inst, nsName, prefix,
|
|
copy);
|
|
}
|
|
} else if ((copy->parent != NULL) &&
|
|
(copy->parent->type == XML_ELEMENT_NODE) &&
|
|
(copy->parent->ns != NULL))
|
|
{
|
|
/*
|
|
* "Undeclare" the default namespace.
|
|
*/
|
|
xsltGetSpecialNamespace(ctxt, inst, NULL, NULL, copy);
|
|
}
|
|
|
|
ctxt->insert = copy;
|
|
|
|
if (comp->has_use) {
|
|
if (comp->use != NULL) {
|
|
xsltApplyAttributeSet(ctxt, node, inst, comp->use);
|
|
} else {
|
|
xmlChar *attrSets = NULL;
|
|
/*
|
|
* BUG TODO: use-attribute-sets is not a value template.
|
|
* use-attribute-sets = qnames
|
|
*/
|
|
attrSets = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)"use-attribute-sets", NULL);
|
|
if (attrSets != NULL) {
|
|
xsltApplyAttributeSet(ctxt, node, inst, attrSets);
|
|
xmlFree(attrSets);
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Instantiate the sequence constructor.
|
|
*/
|
|
if (inst->children != NULL)
|
|
xsltApplySequenceConstructor(ctxt, ctxt->node, inst->children,
|
|
NULL);
|
|
|
|
error:
|
|
ctxt->insert = oldInsert;
|
|
return;
|
|
}
|
|
|
|
|
|
/**
|
|
* xsltComment:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the xslt comment node
|
|
* @comp: precomputed information
|
|
*
|
|
* Process the xslt comment node on the source node
|
|
*/
|
|
void
|
|
xsltComment(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr comp ATTRIBUTE_UNUSED) {
|
|
xmlChar *value = NULL;
|
|
xmlNodePtr commentNode;
|
|
int len;
|
|
|
|
value = xsltEvalTemplateString(ctxt, node, inst);
|
|
/* TODO: use or generate the compiled form */
|
|
len = xmlStrlen(value);
|
|
if (len > 0) {
|
|
if ((value[len-1] == '-') ||
|
|
(xmlStrstr(value, BAD_CAST "--"))) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:comment : '--' or ending '-' not allowed in comment\n");
|
|
/* fall through to try to catch further errors */
|
|
}
|
|
}
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (value == NULL) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COMMENT,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltComment: empty\n"));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COMMENT,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltComment: content %s\n", value));
|
|
}
|
|
#endif
|
|
|
|
commentNode = xmlNewComment(value);
|
|
commentNode = xsltAddChild(ctxt->insert, commentNode);
|
|
|
|
if (value != NULL)
|
|
xmlFree(value);
|
|
}
|
|
|
|
/**
|
|
* xsltProcessingInstruction:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the xslt processing-instruction node
|
|
* @castedComp: precomputed information
|
|
*
|
|
* Process the xslt processing-instruction node on the source node
|
|
*/
|
|
void
|
|
xsltProcessingInstruction(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp) {
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemPIPtr comp = (xsltStyleItemPIPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
const xmlChar *name;
|
|
xmlChar *value = NULL;
|
|
xmlNodePtr pi;
|
|
|
|
|
|
if (ctxt->insert == NULL)
|
|
return;
|
|
if (comp->has_name == 0)
|
|
return;
|
|
if (comp->name == NULL) {
|
|
name = xsltEvalAttrValueTemplate(ctxt, inst,
|
|
(const xmlChar *)"name", NULL);
|
|
if (name == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:processing-instruction : name is missing\n");
|
|
goto error;
|
|
}
|
|
} else {
|
|
name = comp->name;
|
|
}
|
|
/* TODO: check that it's both an an NCName and a PITarget. */
|
|
|
|
|
|
value = xsltEvalTemplateString(ctxt, node, inst);
|
|
if (xmlStrstr(value, BAD_CAST "?>") != NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:processing-instruction: '?>' not allowed within PI content\n");
|
|
goto error;
|
|
}
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (value == NULL) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PI,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessingInstruction: %s empty\n", name));
|
|
} else {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_PI,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltProcessingInstruction: %s content %s\n", name, value));
|
|
}
|
|
#endif
|
|
|
|
pi = xmlNewDocPI(ctxt->insert->doc, name, value);
|
|
pi = xsltAddChild(ctxt->insert, pi);
|
|
|
|
error:
|
|
if ((name != NULL) && (name != comp->name))
|
|
xmlFree((xmlChar *) name);
|
|
if (value != NULL)
|
|
xmlFree(value);
|
|
}
|
|
|
|
/**
|
|
* xsltCopyOf:
|
|
* @ctxt: an XSLT transformation context
|
|
* @node: the current node in the source tree
|
|
* @inst: the element node of the XSLT copy-of instruction
|
|
* @castedComp: precomputed information of the XSLT copy-of instruction
|
|
*
|
|
* Process the XSLT copy-of instruction.
|
|
*/
|
|
void
|
|
xsltCopyOf(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp) {
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemCopyOfPtr comp = (xsltStyleItemCopyOfPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
xmlXPathObjectPtr res = NULL;
|
|
xmlNodeSetPtr list = NULL;
|
|
int i;
|
|
|
|
if ((ctxt == NULL) || (node == NULL) || (inst == NULL))
|
|
return;
|
|
if ((comp == NULL) || (comp->select == NULL) || (comp->comp == NULL)) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:copy-of : compilation failed\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* SPEC XSLT 1.0:
|
|
* "The xsl:copy-of element can be used to insert a result tree
|
|
* fragment into the result tree, without first converting it to
|
|
* a string as xsl:value-of does (see [7.6.1 Generating Text with
|
|
* xsl:value-of]). The required select attribute contains an
|
|
* expression. When the result of evaluating the expression is a
|
|
* result tree fragment, the complete fragment is copied into the
|
|
* result tree. When the result is a node-set, all the nodes in the
|
|
* set are copied in document order into the result tree; copying
|
|
* an element node copies the attribute nodes, namespace nodes and
|
|
* children of the element node as well as the element node itself;
|
|
* a root node is copied by copying its children. When the result
|
|
* is neither a node-set nor a result tree fragment, the result is
|
|
* converted to a string and then inserted into the result tree,
|
|
* as with xsl:value-of.
|
|
*/
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_OF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyOf: select %s\n", comp->select));
|
|
#endif
|
|
|
|
/*
|
|
* Evaluate the "select" expression.
|
|
*/
|
|
res = xsltPreCompEval(ctxt, node, comp);
|
|
|
|
if (res != NULL) {
|
|
if (res->type == XPATH_NODESET) {
|
|
/*
|
|
* Node-set
|
|
* --------
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_OF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyOf: result is a node set\n"));
|
|
#endif
|
|
list = res->nodesetval;
|
|
if (list != NULL) {
|
|
xmlNodePtr cur;
|
|
/*
|
|
* The list is already sorted in document order by XPath.
|
|
* Append everything in this order under ctxt->insert.
|
|
*/
|
|
for (i = 0;i < list->nodeNr;i++) {
|
|
cur = list->nodeTab[i];
|
|
if (cur == NULL)
|
|
continue;
|
|
if ((cur->type == XML_DOCUMENT_NODE) ||
|
|
(cur->type == XML_HTML_DOCUMENT_NODE))
|
|
{
|
|
xsltCopyTreeList(ctxt, inst,
|
|
cur->children, ctxt->insert, 0, 0);
|
|
} else if (cur->type == XML_ATTRIBUTE_NODE) {
|
|
xsltShallowCopyAttr(ctxt, inst,
|
|
ctxt->insert, (xmlAttrPtr) cur);
|
|
} else {
|
|
xsltCopyTree(ctxt, inst, cur, ctxt->insert, 0, 0);
|
|
}
|
|
}
|
|
}
|
|
} else if (res->type == XPATH_XSLT_TREE) {
|
|
/*
|
|
* Result tree fragment
|
|
* --------------------
|
|
* E.g. via <xsl:variable ...><foo/></xsl:variable>
|
|
* Note that the root node of such trees is an xmlDocPtr in Libxslt.
|
|
*/
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_OF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyOf: result is a result tree fragment\n"));
|
|
#endif
|
|
list = res->nodesetval;
|
|
if ((list != NULL) && (list->nodeTab != NULL) &&
|
|
(list->nodeTab[0] != NULL) &&
|
|
(IS_XSLT_REAL_NODE(list->nodeTab[0])))
|
|
{
|
|
xsltCopyTreeList(ctxt, inst,
|
|
list->nodeTab[0]->children, ctxt->insert, 0, 0);
|
|
}
|
|
} else {
|
|
xmlChar *value = NULL;
|
|
/*
|
|
* Convert to a string.
|
|
*/
|
|
value = xmlXPathCastToString(res);
|
|
if (value == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Internal error in xsltCopyOf(): "
|
|
"failed to cast an XPath object to string.\n");
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
} else {
|
|
if (value[0] != 0) {
|
|
/*
|
|
* Append content as text node.
|
|
*/
|
|
xsltCopyTextString(ctxt, ctxt->insert, value, 0);
|
|
}
|
|
xmlFree(value);
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_COPY_OF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltCopyOf: result %s\n", res->stringval));
|
|
#endif
|
|
}
|
|
}
|
|
} else {
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
}
|
|
|
|
if (res != NULL)
|
|
xmlXPathFreeObject(res);
|
|
}
|
|
|
|
/**
|
|
* xsltValueOf:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the xslt value-of node
|
|
* @castedComp: precomputed information
|
|
*
|
|
* Process the xslt value-of node on the source node
|
|
*/
|
|
void
|
|
xsltValueOf(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemValueOfPtr comp = (xsltStyleItemValueOfPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
xmlXPathObjectPtr res = NULL;
|
|
xmlChar *value = NULL;
|
|
|
|
if ((ctxt == NULL) || (node == NULL) || (inst == NULL))
|
|
return;
|
|
|
|
if ((comp == NULL) || (comp->select == NULL) || (comp->comp == NULL)) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Internal error in xsltValueOf(): "
|
|
"The XSLT 'value-of' instruction was not compiled.\n");
|
|
return;
|
|
}
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_VALUE_OF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltValueOf: select %s\n", comp->select));
|
|
#endif
|
|
|
|
res = xsltPreCompEval(ctxt, node, comp);
|
|
|
|
/*
|
|
* Cast the XPath object to string.
|
|
*/
|
|
if (res != NULL) {
|
|
value = xmlXPathCastToString(res);
|
|
if (value == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Internal error in xsltValueOf(): "
|
|
"failed to cast an XPath object to string.\n");
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
goto error;
|
|
}
|
|
if (value[0] != 0) {
|
|
xsltCopyTextString(ctxt, ctxt->insert, value, comp->noescape);
|
|
}
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"XPath evaluation returned no result.\n");
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
goto error;
|
|
}
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (value) {
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_VALUE_OF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltValueOf: result '%s'\n", value));
|
|
}
|
|
#endif
|
|
|
|
error:
|
|
if (value != NULL)
|
|
xmlFree(value);
|
|
if (res != NULL)
|
|
xmlXPathFreeObject(res);
|
|
}
|
|
|
|
/**
|
|
* xsltNumber:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the node in the source tree.
|
|
* @inst: the xslt number node
|
|
* @castedComp: precomputed information
|
|
*
|
|
* Process the xslt number node on the source node
|
|
*/
|
|
void
|
|
xsltNumber(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemNumberPtr comp = (xsltStyleItemNumberPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
xmlXPathContextPtr xpctxt;
|
|
xmlNsPtr *oldXPNamespaces;
|
|
int oldXPNsNr;
|
|
|
|
if (comp == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:number : compilation failed\n");
|
|
return;
|
|
}
|
|
|
|
if ((ctxt == NULL) || (node == NULL) || (inst == NULL) || (comp == NULL))
|
|
return;
|
|
|
|
comp->numdata.doc = inst->doc;
|
|
comp->numdata.node = inst;
|
|
|
|
xpctxt = ctxt->xpathCtxt;
|
|
oldXPNsNr = xpctxt->nsNr;
|
|
oldXPNamespaces = xpctxt->namespaces;
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
if (comp->inScopeNs != NULL) {
|
|
xpctxt->namespaces = comp->inScopeNs->list;
|
|
xpctxt->nsNr = comp->inScopeNs->xpathNumber;
|
|
} else {
|
|
xpctxt->namespaces = NULL;
|
|
xpctxt->nsNr = 0;
|
|
}
|
|
#else
|
|
xpctxt->namespaces = comp->nsList;
|
|
xpctxt->nsNr = comp->nsNr;
|
|
#endif
|
|
|
|
xsltNumberFormat(ctxt, &comp->numdata, node);
|
|
|
|
xpctxt->nsNr = oldXPNsNr;
|
|
xpctxt->namespaces = oldXPNamespaces;
|
|
}
|
|
|
|
/**
|
|
* xsltApplyImports:
|
|
* @ctxt: an XSLT transformation context
|
|
* @contextNode: the current node in the source tree.
|
|
* @inst: the element node of the XSLT 'apply-imports' instruction
|
|
* @comp: the compiled instruction
|
|
*
|
|
* Process the XSLT apply-imports element.
|
|
*/
|
|
void
|
|
xsltApplyImports(xsltTransformContextPtr ctxt, xmlNodePtr contextNode,
|
|
xmlNodePtr inst,
|
|
xsltStylePreCompPtr comp ATTRIBUTE_UNUSED)
|
|
{
|
|
xsltTemplatePtr templ;
|
|
|
|
if ((ctxt == NULL) || (inst == NULL))
|
|
return;
|
|
|
|
if (comp == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Internal error in xsltApplyImports(): "
|
|
"The XSLT 'apply-imports' instruction was not compiled.\n");
|
|
return;
|
|
}
|
|
/*
|
|
* NOTE that ctxt->currentTemplateRule and ctxt->templ is not the
|
|
* same; the former is the "Current Template Rule" as defined by the
|
|
* XSLT spec, the latter is simply the template struct being
|
|
* currently processed.
|
|
*/
|
|
if (ctxt->currentTemplateRule == NULL) {
|
|
/*
|
|
* SPEC XSLT 2.0:
|
|
* "[ERR XTDE0560] It is a non-recoverable dynamic error if
|
|
* xsl:apply-imports or xsl:next-match is evaluated when the
|
|
* current template rule is null."
|
|
*/
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"It is an error to call 'apply-imports' "
|
|
"when there's no current template rule.\n");
|
|
return;
|
|
}
|
|
/*
|
|
* TODO: Check if this is correct.
|
|
*/
|
|
templ = xsltGetTemplate(ctxt, contextNode,
|
|
ctxt->currentTemplateRule->style);
|
|
|
|
if (templ != NULL) {
|
|
xsltTemplatePtr oldCurTemplRule = ctxt->currentTemplateRule;
|
|
/*
|
|
* Set the current template rule.
|
|
*/
|
|
ctxt->currentTemplateRule = templ;
|
|
/*
|
|
* URGENT TODO: Need xsl:with-param be handled somehow here?
|
|
*/
|
|
xsltApplyXSLTTemplate(ctxt, contextNode, templ->content,
|
|
templ, NULL);
|
|
|
|
ctxt->currentTemplateRule = oldCurTemplRule;
|
|
}
|
|
else {
|
|
/* Use built-in templates. */
|
|
xsltDefaultProcessOneNode(ctxt, contextNode, NULL);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* xsltCallTemplate:
|
|
* @ctxt: a XSLT transformation context
|
|
* @node: the "current node" in the source tree
|
|
* @inst: the XSLT 'call-template' instruction
|
|
* @castedComp: the compiled information of the instruction
|
|
*
|
|
* Processes the XSLT call-template instruction on the source node.
|
|
*/
|
|
void
|
|
xsltCallTemplate(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemCallTemplatePtr comp =
|
|
(xsltStyleItemCallTemplatePtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
xsltStackElemPtr withParams = NULL;
|
|
|
|
if (ctxt->insert == NULL)
|
|
return;
|
|
if (comp == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"The XSLT 'call-template' instruction was not compiled.\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* The template must have been precomputed
|
|
*/
|
|
if (comp->templ == NULL) {
|
|
comp->templ = xsltFindTemplate(ctxt, comp->name, comp->ns);
|
|
if (comp->templ == NULL) {
|
|
if (comp->ns != NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"The called template '{%s}%s' was not found.\n",
|
|
comp->ns, comp->name);
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"The called template '%s' was not found.\n",
|
|
comp->name);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if ((comp != NULL) && (comp->name != NULL))
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_CALL_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"call-template: name %s\n", comp->name));
|
|
#endif
|
|
|
|
if (inst->children) {
|
|
xmlNodePtr cur;
|
|
xsltStackElemPtr param;
|
|
|
|
cur = inst->children;
|
|
while (cur != NULL) {
|
|
#ifdef WITH_DEBUGGER
|
|
if (ctxt->debugStatus != XSLT_DEBUG_NONE)
|
|
xslHandleDebugger(cur, node, comp->templ, ctxt);
|
|
#endif
|
|
if (ctxt->state == XSLT_STATE_STOPPED) break;
|
|
/*
|
|
* TODO: The "with-param"s could be part of the "call-template"
|
|
* structure. Avoid to "search" for params dynamically
|
|
* in the XML tree every time.
|
|
*/
|
|
if (IS_XSLT_ELEM(cur)) {
|
|
if (IS_XSLT_NAME(cur, "with-param")) {
|
|
param = xsltParseStylesheetCallerParam(ctxt, cur);
|
|
if (param != NULL) {
|
|
param->next = withParams;
|
|
withParams = param;
|
|
}
|
|
} else {
|
|
xsltGenericError(xsltGenericErrorContext,
|
|
"xsl:call-template: misplaced xsl:%s\n", cur->name);
|
|
}
|
|
} else {
|
|
xsltGenericError(xsltGenericErrorContext,
|
|
"xsl:call-template: misplaced %s element\n", cur->name);
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
}
|
|
/*
|
|
* Create a new frame using the params first
|
|
*/
|
|
xsltApplyXSLTTemplate(ctxt, node, comp->templ->content, comp->templ,
|
|
withParams);
|
|
if (withParams != NULL)
|
|
xsltFreeStackElemList(withParams);
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if ((comp != NULL) && (comp->name != NULL))
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_CALL_TEMPLATE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"call-template returned: name %s\n", comp->name));
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* xsltApplyTemplates:
|
|
* @ctxt: a XSLT transformation context
|
|
* @node: the 'current node' in the source tree
|
|
* @inst: the element node of an XSLT 'apply-templates' instruction
|
|
* @castedComp: the compiled instruction
|
|
*
|
|
* Processes the XSLT 'apply-templates' instruction on the current node.
|
|
*/
|
|
void
|
|
xsltApplyTemplates(xsltTransformContextPtr ctxt, xmlNodePtr node,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemApplyTemplatesPtr comp =
|
|
(xsltStyleItemApplyTemplatesPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
int i;
|
|
xmlNodePtr cur, delNode = NULL, oldContextNode;
|
|
xmlNodeSetPtr list = NULL, oldList;
|
|
xsltStackElemPtr withParams = NULL;
|
|
int oldXPProximityPosition, oldXPContextSize;
|
|
const xmlChar *oldMode, *oldModeURI;
|
|
xmlDocPtr oldXPDoc;
|
|
xsltDocumentPtr oldDocInfo;
|
|
xmlXPathContextPtr xpctxt;
|
|
|
|
if (comp == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:apply-templates : compilation failed\n");
|
|
return;
|
|
}
|
|
if ((ctxt == NULL) || (node == NULL) || (inst == NULL) || (comp == NULL))
|
|
return;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if ((node != NULL) && (node->name != NULL))
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplyTemplates: node: '%s'\n", node->name));
|
|
#endif
|
|
|
|
xpctxt = ctxt->xpathCtxt;
|
|
/*
|
|
* Save context states.
|
|
*/
|
|
oldContextNode = ctxt->node;
|
|
oldMode = ctxt->mode;
|
|
oldModeURI = ctxt->modeURI;
|
|
oldDocInfo = ctxt->document;
|
|
oldList = ctxt->nodeList;
|
|
|
|
/*
|
|
* The xpath context size and proximity position, as
|
|
* well as the xpath and context documents, may be changed
|
|
* so we save their initial state and will restore on exit
|
|
*/
|
|
oldXPContextSize = xpctxt->contextSize;
|
|
oldXPProximityPosition = xpctxt->proximityPosition;
|
|
oldXPDoc = xpctxt->doc;
|
|
|
|
/*
|
|
* Set up contexts.
|
|
*/
|
|
ctxt->mode = comp->mode;
|
|
ctxt->modeURI = comp->modeURI;
|
|
|
|
if (comp->select != NULL) {
|
|
xmlXPathObjectPtr res = NULL;
|
|
|
|
if (comp->comp == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:apply-templates : compilation failed\n");
|
|
goto error;
|
|
}
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplyTemplates: select %s\n", comp->select));
|
|
#endif
|
|
|
|
res = xsltPreCompEval(ctxt, node, comp);
|
|
|
|
if (res != NULL) {
|
|
if (res->type == XPATH_NODESET) {
|
|
list = res->nodesetval; /* consume the node set */
|
|
res->nodesetval = NULL;
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"The 'select' expression did not evaluate to a "
|
|
"node set.\n");
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
xmlXPathFreeObject(res);
|
|
goto error;
|
|
}
|
|
xmlXPathFreeObject(res);
|
|
/*
|
|
* Note: An xsl:apply-templates with a 'select' attribute,
|
|
* can change the current source doc.
|
|
*/
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Failed to evaluate the 'select' expression.\n");
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
goto error;
|
|
}
|
|
if (list == NULL) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplyTemplates: select didn't evaluate to a node list\n"));
|
|
#endif
|
|
goto exit;
|
|
}
|
|
/*
|
|
*
|
|
* NOTE: Previously a document info (xsltDocument) was
|
|
* created and attached to the Result Tree Fragment.
|
|
* But such a document info is created on demand in
|
|
* xsltKeyFunction() (functions.c), so we need to create
|
|
* it here beforehand.
|
|
* In order to take care of potential keys we need to
|
|
* do some extra work for the case when a Result Tree Fragment
|
|
* is converted into a nodeset (e.g. exslt:node-set()) :
|
|
* We attach a "pseudo-doc" (xsltDocument) to _private.
|
|
* This xsltDocument, together with the keyset, will be freed
|
|
* when the Result Tree Fragment is freed.
|
|
*
|
|
*/
|
|
#if 0
|
|
if ((ctxt->nbKeys > 0) &&
|
|
(list->nodeNr != 0) &&
|
|
(list->nodeTab[0]->doc != NULL) &&
|
|
XSLT_IS_RES_TREE_FRAG(list->nodeTab[0]->doc))
|
|
{
|
|
/*
|
|
* NOTE that it's also OK if @effectiveDocInfo will be
|
|
* set to NULL.
|
|
*/
|
|
isRTF = 1;
|
|
effectiveDocInfo = list->nodeTab[0]->doc->_private;
|
|
}
|
|
#endif
|
|
} else {
|
|
/*
|
|
* Build an XPath node set with the children
|
|
*/
|
|
list = xmlXPathNodeSetCreate(NULL);
|
|
if (list == NULL)
|
|
goto error;
|
|
if (node->type != XML_NAMESPACE_DECL)
|
|
cur = node->children;
|
|
else
|
|
cur = NULL;
|
|
while (cur != NULL) {
|
|
switch (cur->type) {
|
|
case XML_TEXT_NODE:
|
|
if ((IS_BLANK_NODE(cur)) &&
|
|
(cur->parent != NULL) &&
|
|
(cur->parent->type == XML_ELEMENT_NODE) &&
|
|
(ctxt->style->stripSpaces != NULL)) {
|
|
const xmlChar *val;
|
|
|
|
if (cur->parent->ns != NULL) {
|
|
val = (const xmlChar *)
|
|
xmlHashLookup2(ctxt->style->stripSpaces,
|
|
cur->parent->name,
|
|
cur->parent->ns->href);
|
|
if (val == NULL) {
|
|
val = (const xmlChar *)
|
|
xmlHashLookup2(ctxt->style->stripSpaces,
|
|
BAD_CAST "*",
|
|
cur->parent->ns->href);
|
|
}
|
|
} else {
|
|
val = (const xmlChar *)
|
|
xmlHashLookup2(ctxt->style->stripSpaces,
|
|
cur->parent->name, NULL);
|
|
}
|
|
if ((val != NULL) &&
|
|
(xmlStrEqual(val, (xmlChar *) "strip"))) {
|
|
delNode = cur;
|
|
break;
|
|
}
|
|
}
|
|
/* no break on purpose */
|
|
case XML_ELEMENT_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
xmlXPathNodeSetAddUnique(list, cur);
|
|
break;
|
|
case XML_DTD_NODE:
|
|
/* Unlink the DTD, it's still reachable
|
|
* using doc->intSubset */
|
|
if (cur->next != NULL)
|
|
cur->next->prev = cur->prev;
|
|
if (cur->prev != NULL)
|
|
cur->prev->next = cur->next;
|
|
break;
|
|
case XML_NAMESPACE_DECL:
|
|
break;
|
|
default:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplyTemplates: skipping cur type %d\n",
|
|
cur->type));
|
|
#endif
|
|
delNode = cur;
|
|
}
|
|
cur = cur->next;
|
|
if (delNode != NULL) {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplyTemplates: removing ignorable blank cur\n"));
|
|
#endif
|
|
xmlUnlinkNode(delNode);
|
|
xmlFreeNode(delNode);
|
|
delNode = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
if (list != NULL)
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_APPLY_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplyTemplates: list of %d nodes\n", list->nodeNr));
|
|
#endif
|
|
|
|
if ((list == NULL) || (list->nodeNr == 0))
|
|
goto exit;
|
|
|
|
/*
|
|
* Set the context's node set and size; this is also needed for
|
|
* for xsltDoSortFunction().
|
|
*/
|
|
ctxt->nodeList = list;
|
|
/*
|
|
* Process xsl:with-param and xsl:sort instructions.
|
|
* (The code became so verbose just to avoid the
|
|
* xmlNodePtr sorts[XSLT_MAX_SORT] if there's no xsl:sort)
|
|
* BUG TODO: We are not using namespaced potentially defined on the
|
|
* xsl:sort or xsl:with-param elements; XPath expression might fail.
|
|
*/
|
|
if (inst->children) {
|
|
xsltStackElemPtr param;
|
|
|
|
cur = inst->children;
|
|
while (cur) {
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (ctxt->debugStatus != XSLT_DEBUG_NONE)
|
|
xslHandleDebugger(cur, node, NULL, ctxt);
|
|
#endif
|
|
if (ctxt->state == XSLT_STATE_STOPPED)
|
|
break;
|
|
if (cur->type == XML_TEXT_NODE) {
|
|
cur = cur->next;
|
|
continue;
|
|
}
|
|
if (! IS_XSLT_ELEM(cur))
|
|
break;
|
|
if (IS_XSLT_NAME(cur, "with-param")) {
|
|
param = xsltParseStylesheetCallerParam(ctxt, cur);
|
|
if (param != NULL) {
|
|
param->next = withParams;
|
|
withParams = param;
|
|
}
|
|
}
|
|
if (IS_XSLT_NAME(cur, "sort")) {
|
|
xsltTemplatePtr oldCurTempRule =
|
|
ctxt->currentTemplateRule;
|
|
int nbsorts = 0;
|
|
xmlNodePtr sorts[XSLT_MAX_SORT];
|
|
|
|
sorts[nbsorts++] = cur;
|
|
|
|
while (cur) {
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (ctxt->debugStatus != XSLT_DEBUG_NONE)
|
|
xslHandleDebugger(cur, node, NULL, ctxt);
|
|
#endif
|
|
if (ctxt->state == XSLT_STATE_STOPPED)
|
|
break;
|
|
|
|
if (cur->type == XML_TEXT_NODE) {
|
|
cur = cur->next;
|
|
continue;
|
|
}
|
|
|
|
if (! IS_XSLT_ELEM(cur))
|
|
break;
|
|
if (IS_XSLT_NAME(cur, "with-param")) {
|
|
param = xsltParseStylesheetCallerParam(ctxt, cur);
|
|
if (param != NULL) {
|
|
param->next = withParams;
|
|
withParams = param;
|
|
}
|
|
}
|
|
if (IS_XSLT_NAME(cur, "sort")) {
|
|
if (nbsorts >= XSLT_MAX_SORT) {
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"The number (%d) of xsl:sort instructions exceeds the "
|
|
"maximum allowed by this processor's settings.\n",
|
|
nbsorts);
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
break;
|
|
} else {
|
|
sorts[nbsorts++] = cur;
|
|
}
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
/*
|
|
* The "current template rule" is cleared for xsl:sort.
|
|
*/
|
|
ctxt->currentTemplateRule = NULL;
|
|
/*
|
|
* Sort.
|
|
*/
|
|
xsltDoSortFunction(ctxt, sorts, nbsorts);
|
|
ctxt->currentTemplateRule = oldCurTempRule;
|
|
break;
|
|
}
|
|
cur = cur->next;
|
|
}
|
|
}
|
|
xpctxt->contextSize = list->nodeNr;
|
|
/*
|
|
* Apply templates for all selected source nodes.
|
|
*/
|
|
for (i = 0; i < list->nodeNr; i++) {
|
|
cur = list->nodeTab[i];
|
|
/*
|
|
* The node becomes the "current node".
|
|
*/
|
|
ctxt->node = cur;
|
|
/*
|
|
* An xsl:apply-templates can change the current context doc.
|
|
* OPTIMIZE TODO: Get rid of the need to set the context doc.
|
|
*/
|
|
if ((cur->type != XML_NAMESPACE_DECL) && (cur->doc != NULL))
|
|
xpctxt->doc = cur->doc;
|
|
|
|
xpctxt->proximityPosition = i + 1;
|
|
/*
|
|
* Find and apply a template for this node.
|
|
*/
|
|
xsltProcessOneNode(ctxt, cur, withParams);
|
|
}
|
|
|
|
exit:
|
|
error:
|
|
/*
|
|
* Free the parameter list.
|
|
*/
|
|
if (withParams != NULL)
|
|
xsltFreeStackElemList(withParams);
|
|
if (list != NULL)
|
|
xmlXPathFreeNodeSet(list);
|
|
/*
|
|
* Restore context states.
|
|
*/
|
|
xpctxt->doc = oldXPDoc;
|
|
xpctxt->contextSize = oldXPContextSize;
|
|
xpctxt->proximityPosition = oldXPProximityPosition;
|
|
|
|
ctxt->document = oldDocInfo;
|
|
ctxt->nodeList = oldList;
|
|
ctxt->node = oldContextNode;
|
|
ctxt->mode = oldMode;
|
|
ctxt->modeURI = oldModeURI;
|
|
}
|
|
|
|
|
|
/**
|
|
* xsltChoose:
|
|
* @ctxt: a XSLT process context
|
|
* @contextNode: the current node in the source tree
|
|
* @inst: the xsl:choose instruction
|
|
* @comp: compiled information of the instruction
|
|
*
|
|
* Processes the xsl:choose instruction on the source node.
|
|
*/
|
|
void
|
|
xsltChoose(xsltTransformContextPtr ctxt, xmlNodePtr contextNode,
|
|
xmlNodePtr inst, xsltStylePreCompPtr comp ATTRIBUTE_UNUSED)
|
|
{
|
|
xmlNodePtr cur;
|
|
|
|
if ((ctxt == NULL) || (contextNode == NULL) || (inst == NULL))
|
|
return;
|
|
|
|
/*
|
|
* TODO: Content model checks should be done only at compilation
|
|
* time.
|
|
*/
|
|
cur = inst->children;
|
|
if (cur == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:choose: The instruction has no content.\n");
|
|
return;
|
|
}
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
/*
|
|
* We don't check the content model during transformation.
|
|
*/
|
|
#else
|
|
if ((! IS_XSLT_ELEM(cur)) || (! IS_XSLT_NAME(cur, "when"))) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"xsl:choose: xsl:when expected first\n");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
{
|
|
int testRes = 0, res = 0;
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemWhenPtr wcomp = NULL;
|
|
#else
|
|
xsltStylePreCompPtr wcomp = NULL;
|
|
#endif
|
|
|
|
/*
|
|
* Process xsl:when ---------------------------------------------------
|
|
*/
|
|
while (IS_XSLT_ELEM(cur) && IS_XSLT_NAME(cur, "when")) {
|
|
wcomp = cur->psvi;
|
|
|
|
if ((wcomp == NULL) || (wcomp->test == NULL) ||
|
|
(wcomp->comp == NULL))
|
|
{
|
|
xsltTransformError(ctxt, NULL, cur,
|
|
"Internal error in xsltChoose(): "
|
|
"The XSLT 'when' instruction was not compiled.\n");
|
|
goto error;
|
|
}
|
|
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (xslDebugStatus != XSLT_DEBUG_NONE) {
|
|
/*
|
|
* TODO: Isn't comp->templ always NULL for xsl:choose?
|
|
*/
|
|
xslHandleDebugger(cur, contextNode, NULL, ctxt);
|
|
}
|
|
#endif
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_CHOOSE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltChoose: test %s\n", wcomp->test));
|
|
#endif
|
|
|
|
#ifdef XSLT_FAST_IF
|
|
res = xsltPreCompEvalToBoolean(ctxt, contextNode, wcomp);
|
|
|
|
if (res == -1) {
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
goto error;
|
|
}
|
|
testRes = (res == 1) ? 1 : 0;
|
|
|
|
#else /* XSLT_FAST_IF */
|
|
|
|
res = xsltPreCompEval(ctxt, cotextNode, wcomp);
|
|
|
|
if (res != NULL) {
|
|
if (res->type != XPATH_BOOLEAN)
|
|
res = xmlXPathConvertBoolean(res);
|
|
if (res->type == XPATH_BOOLEAN)
|
|
testRes = res->boolval;
|
|
else {
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_CHOOSE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltChoose: test didn't evaluate to a boolean\n"));
|
|
#endif
|
|
goto error;
|
|
}
|
|
xmlXPathFreeObject(res);
|
|
res = NULL;
|
|
} else {
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
goto error;
|
|
}
|
|
|
|
#endif /* else of XSLT_FAST_IF */
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_CHOOSE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltChoose: test evaluate to %d\n", testRes));
|
|
#endif
|
|
if (testRes)
|
|
goto test_is_true;
|
|
|
|
cur = cur->next;
|
|
}
|
|
|
|
/*
|
|
* Process xsl:otherwise ----------------------------------------------
|
|
*/
|
|
if (IS_XSLT_ELEM(cur) && IS_XSLT_NAME(cur, "otherwise")) {
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (xslDebugStatus != XSLT_DEBUG_NONE)
|
|
xslHandleDebugger(cur, contextNode, NULL, ctxt);
|
|
#endif
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_CHOOSE,xsltGenericDebug(xsltGenericDebugContext,
|
|
"evaluating xsl:otherwise\n"));
|
|
#endif
|
|
goto test_is_true;
|
|
}
|
|
goto exit;
|
|
|
|
test_is_true:
|
|
|
|
goto process_sequence;
|
|
}
|
|
|
|
process_sequence:
|
|
|
|
/*
|
|
* Instantiate the sequence constructor.
|
|
*/
|
|
xsltApplySequenceConstructor(ctxt, ctxt->node, cur->children,
|
|
NULL);
|
|
|
|
exit:
|
|
error:
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* xsltIf:
|
|
* @ctxt: a XSLT process context
|
|
* @contextNode: the current node in the source tree
|
|
* @inst: the xsl:if instruction
|
|
* @castedComp: compiled information of the instruction
|
|
*
|
|
* Processes the xsl:if instruction on the source node.
|
|
*/
|
|
void
|
|
xsltIf(xsltTransformContextPtr ctxt, xmlNodePtr contextNode,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
int res = 0;
|
|
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemIfPtr comp = (xsltStyleItemIfPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
|
|
if ((ctxt == NULL) || (contextNode == NULL) || (inst == NULL))
|
|
return;
|
|
if ((comp == NULL) || (comp->test == NULL) || (comp->comp == NULL)) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Internal error in xsltIf(): "
|
|
"The XSLT 'if' instruction was not compiled.\n");
|
|
return;
|
|
}
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_IF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltIf: test %s\n", comp->test));
|
|
#endif
|
|
|
|
#ifdef XSLT_FAST_IF
|
|
{
|
|
xmlDocPtr oldLocalFragmentTop = ctxt->localRVT;
|
|
|
|
res = xsltPreCompEvalToBoolean(ctxt, contextNode, comp);
|
|
|
|
/*
|
|
* Cleanup fragments created during evaluation of the
|
|
* "select" expression.
|
|
*/
|
|
if (oldLocalFragmentTop != ctxt->localRVT)
|
|
xsltReleaseLocalRVTs(ctxt, oldLocalFragmentTop);
|
|
}
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_IF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltIf: test evaluate to %d\n", res));
|
|
#endif
|
|
|
|
if (res == -1) {
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
goto error;
|
|
}
|
|
if (res == 1) {
|
|
/*
|
|
* Instantiate the sequence constructor of xsl:if.
|
|
*/
|
|
xsltApplySequenceConstructor(ctxt,
|
|
contextNode, inst->children, NULL);
|
|
}
|
|
|
|
#else /* XSLT_FAST_IF */
|
|
{
|
|
/*
|
|
* OLD CODE:
|
|
*/
|
|
xmlXPathObjectPtr xpobj = xsltPreCompEval(ctxt, contextNode, comp);
|
|
if (xpobj != NULL) {
|
|
if (xpobj->type != XPATH_BOOLEAN)
|
|
xpobj = xmlXPathConvertBoolean(xpobj);
|
|
if (xpobj->type == XPATH_BOOLEAN) {
|
|
res = xpobj->boolval;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_IF,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltIf: test evaluate to %d\n", res));
|
|
#endif
|
|
if (res) {
|
|
xsltApplySequenceConstructor(ctxt,
|
|
contextNode, inst->children, NULL);
|
|
}
|
|
} else {
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt, XSLT_TRACE_IF,
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltIf: test didn't evaluate to a boolean\n"));
|
|
#endif
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
}
|
|
xmlXPathFreeObject(xpobj);
|
|
} else {
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
}
|
|
}
|
|
#endif /* else of XSLT_FAST_IF */
|
|
|
|
error:
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* xsltForEach:
|
|
* @ctxt: an XSLT transformation context
|
|
* @contextNode: the "current node" in the source tree
|
|
* @inst: the element node of the xsl:for-each instruction
|
|
* @castedComp: the compiled information of the instruction
|
|
*
|
|
* Process the xslt for-each node on the source node
|
|
*/
|
|
void
|
|
xsltForEach(xsltTransformContextPtr ctxt, xmlNodePtr contextNode,
|
|
xmlNodePtr inst, xsltStylePreCompPtr castedComp)
|
|
{
|
|
#ifdef XSLT_REFACTORED
|
|
xsltStyleItemForEachPtr comp = (xsltStyleItemForEachPtr) castedComp;
|
|
#else
|
|
xsltStylePreCompPtr comp = castedComp;
|
|
#endif
|
|
int i;
|
|
xmlXPathObjectPtr res = NULL;
|
|
xmlNodePtr cur, curInst;
|
|
xmlNodeSetPtr list = NULL;
|
|
xmlNodeSetPtr oldList;
|
|
int oldXPProximityPosition, oldXPContextSize;
|
|
xmlNodePtr oldContextNode;
|
|
xsltTemplatePtr oldCurTemplRule;
|
|
xmlDocPtr oldXPDoc;
|
|
xsltDocumentPtr oldDocInfo;
|
|
xmlXPathContextPtr xpctxt;
|
|
|
|
if ((ctxt == NULL) || (contextNode == NULL) || (inst == NULL)) {
|
|
xsltGenericError(xsltGenericErrorContext,
|
|
"xsltForEach(): Bad arguments.\n");
|
|
return;
|
|
}
|
|
|
|
if (comp == NULL) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Internal error in xsltForEach(): "
|
|
"The XSLT 'for-each' instruction was not compiled.\n");
|
|
return;
|
|
}
|
|
if ((comp->select == NULL) || (comp->comp == NULL)) {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Internal error in xsltForEach(): "
|
|
"The selecting expression of the XSLT 'for-each' "
|
|
"instruction was not compiled correctly.\n");
|
|
return;
|
|
}
|
|
xpctxt = ctxt->xpathCtxt;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_FOR_EACH,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltForEach: select %s\n", comp->select));
|
|
#endif
|
|
|
|
/*
|
|
* Save context states.
|
|
*/
|
|
oldDocInfo = ctxt->document;
|
|
oldList = ctxt->nodeList;
|
|
oldContextNode = ctxt->node;
|
|
/*
|
|
* The "current template rule" is cleared for the instantiation of
|
|
* xsl:for-each.
|
|
*/
|
|
oldCurTemplRule = ctxt->currentTemplateRule;
|
|
ctxt->currentTemplateRule = NULL;
|
|
|
|
oldXPDoc = xpctxt->doc;
|
|
oldXPProximityPosition = xpctxt->proximityPosition;
|
|
oldXPContextSize = xpctxt->contextSize;
|
|
|
|
/*
|
|
* Evaluate the 'select' expression.
|
|
*/
|
|
res = xsltPreCompEval(ctxt, contextNode, comp);
|
|
|
|
if (res != NULL) {
|
|
if (res->type == XPATH_NODESET)
|
|
list = res->nodesetval;
|
|
else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"The 'select' expression does not evaluate to a node set.\n");
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_FOR_EACH,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltForEach: select didn't evaluate to a node list\n"));
|
|
#endif
|
|
goto error;
|
|
}
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, inst,
|
|
"Failed to evaluate the 'select' expression.\n");
|
|
ctxt->state = XSLT_STATE_STOPPED;
|
|
goto error;
|
|
}
|
|
|
|
if ((list == NULL) || (list->nodeNr <= 0))
|
|
goto exit;
|
|
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_FOR_EACH,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltForEach: select evaluates to %d nodes\n", list->nodeNr));
|
|
#endif
|
|
|
|
/*
|
|
* Set the list; this has to be done already here for xsltDoSortFunction().
|
|
*/
|
|
ctxt->nodeList = list;
|
|
/*
|
|
* Handle xsl:sort instructions and skip them for further processing.
|
|
* BUG TODO: We are not using namespaced potentially defined on the
|
|
* xsl:sort element; XPath expression might fail.
|
|
*/
|
|
curInst = inst->children;
|
|
if (IS_XSLT_ELEM(curInst) && IS_XSLT_NAME(curInst, "sort")) {
|
|
int nbsorts = 0;
|
|
xmlNodePtr sorts[XSLT_MAX_SORT];
|
|
|
|
sorts[nbsorts++] = curInst;
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (xslDebugStatus != XSLT_DEBUG_NONE)
|
|
xslHandleDebugger(curInst, contextNode, NULL, ctxt);
|
|
#endif
|
|
|
|
curInst = curInst->next;
|
|
while (IS_XSLT_ELEM(curInst) && IS_XSLT_NAME(curInst, "sort")) {
|
|
if (nbsorts >= XSLT_MAX_SORT) {
|
|
xsltTransformError(ctxt, NULL, curInst,
|
|
"The number of xsl:sort instructions exceeds the "
|
|
"maximum (%d) allowed by this processor.\n",
|
|
XSLT_MAX_SORT);
|
|
goto error;
|
|
} else {
|
|
sorts[nbsorts++] = curInst;
|
|
}
|
|
|
|
#ifdef WITH_DEBUGGER
|
|
if (xslDebugStatus != XSLT_DEBUG_NONE)
|
|
xslHandleDebugger(curInst, contextNode, NULL, ctxt);
|
|
#endif
|
|
curInst = curInst->next;
|
|
}
|
|
xsltDoSortFunction(ctxt, sorts, nbsorts);
|
|
}
|
|
xpctxt->contextSize = list->nodeNr;
|
|
/*
|
|
* Instantiate the sequence constructor for each selected node.
|
|
*/
|
|
for (i = 0; i < list->nodeNr; i++) {
|
|
cur = list->nodeTab[i];
|
|
/*
|
|
* The selected node becomes the "current node".
|
|
*/
|
|
ctxt->node = cur;
|
|
/*
|
|
* An xsl:for-each can change the current context doc.
|
|
* OPTIMIZE TODO: Get rid of the need to set the context doc.
|
|
*/
|
|
if ((cur->type != XML_NAMESPACE_DECL) && (cur->doc != NULL))
|
|
xpctxt->doc = cur->doc;
|
|
|
|
xpctxt->proximityPosition = i + 1;
|
|
|
|
xsltApplySequenceConstructor(ctxt, cur, curInst, NULL);
|
|
}
|
|
|
|
exit:
|
|
error:
|
|
if (res != NULL)
|
|
xmlXPathFreeObject(res);
|
|
/*
|
|
* Restore old states.
|
|
*/
|
|
ctxt->document = oldDocInfo;
|
|
ctxt->nodeList = oldList;
|
|
ctxt->node = oldContextNode;
|
|
ctxt->currentTemplateRule = oldCurTemplRule;
|
|
|
|
xpctxt->doc = oldXPDoc;
|
|
xpctxt->contextSize = oldXPContextSize;
|
|
xpctxt->proximityPosition = oldXPProximityPosition;
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Generic interface *
|
|
* *
|
|
************************************************************************/
|
|
|
|
#ifdef XSLT_GENERATE_HTML_DOCTYPE
|
|
typedef struct xsltHTMLVersion {
|
|
const char *version;
|
|
const char *public;
|
|
const char *system;
|
|
} xsltHTMLVersion;
|
|
|
|
static xsltHTMLVersion xsltHTMLVersions[] = {
|
|
{ "5", NULL, "about:legacy-compat" },
|
|
{ "4.01frame", "-//W3C//DTD HTML 4.01 Frameset//EN",
|
|
"http://www.w3.org/TR/1999/REC-html401-19991224/frameset.dtd"},
|
|
{ "4.01strict", "-//W3C//DTD HTML 4.01//EN",
|
|
"http://www.w3.org/TR/1999/REC-html401-19991224/strict.dtd"},
|
|
{ "4.01trans", "-//W3C//DTD HTML 4.01 Transitional//EN",
|
|
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd"},
|
|
{ "4.01", "-//W3C//DTD HTML 4.01 Transitional//EN",
|
|
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd"},
|
|
{ "4.0strict", "-//W3C//DTD HTML 4.01//EN",
|
|
"http://www.w3.org/TR/html4/strict.dtd"},
|
|
{ "4.0trans", "-//W3C//DTD HTML 4.01 Transitional//EN",
|
|
"http://www.w3.org/TR/html4/loose.dtd"},
|
|
{ "4.0frame", "-//W3C//DTD HTML 4.01 Frameset//EN",
|
|
"http://www.w3.org/TR/html4/frameset.dtd"},
|
|
{ "4.0", "-//W3C//DTD HTML 4.01 Transitional//EN",
|
|
"http://www.w3.org/TR/html4/loose.dtd"},
|
|
{ "3.2", "-//W3C//DTD HTML 3.2//EN", NULL }
|
|
};
|
|
|
|
/**
|
|
* xsltGetHTMLIDs:
|
|
* @version: the version string
|
|
* @publicID: used to return the public ID
|
|
* @systemID: used to return the system ID
|
|
*
|
|
* Returns -1 if not found, 0 otherwise and the system and public
|
|
* Identifier for this given verion of HTML
|
|
*/
|
|
static int
|
|
xsltGetHTMLIDs(const xmlChar *version, const xmlChar **publicID,
|
|
const xmlChar **systemID) {
|
|
unsigned int i;
|
|
if (version == NULL)
|
|
return(-1);
|
|
for (i = 0;i < (sizeof(xsltHTMLVersions)/sizeof(xsltHTMLVersions[1]));
|
|
i++) {
|
|
if (!xmlStrcasecmp(version,
|
|
(const xmlChar *) xsltHTMLVersions[i].version)) {
|
|
if (publicID != NULL)
|
|
*publicID = (const xmlChar *) xsltHTMLVersions[i].public;
|
|
if (systemID != NULL)
|
|
*systemID = (const xmlChar *) xsltHTMLVersions[i].system;
|
|
return(0);
|
|
}
|
|
}
|
|
return(-1);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* xsltApplyStripSpaces:
|
|
* @ctxt: a XSLT process context
|
|
* @node: the root of the XML tree
|
|
*
|
|
* Strip the unwanted ignorable spaces from the input tree
|
|
*/
|
|
void
|
|
xsltApplyStripSpaces(xsltTransformContextPtr ctxt, xmlNodePtr node) {
|
|
xmlNodePtr current;
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
int nb = 0;
|
|
#endif
|
|
|
|
|
|
current = node;
|
|
while (current != NULL) {
|
|
/*
|
|
* Cleanup children empty nodes if asked for
|
|
*/
|
|
if ((IS_XSLT_REAL_NODE(current)) &&
|
|
(current->children != NULL) &&
|
|
(xsltFindElemSpaceHandling(ctxt, current))) {
|
|
xmlNodePtr delete = NULL, cur = current->children;
|
|
|
|
while (cur != NULL) {
|
|
if (IS_BLANK_NODE(cur))
|
|
delete = cur;
|
|
|
|
cur = cur->next;
|
|
if (delete != NULL) {
|
|
xmlUnlinkNode(delete);
|
|
xmlFreeNode(delete);
|
|
delete = NULL;
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
nb++;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Skip to next node in document order.
|
|
*/
|
|
if (node->type == XML_ENTITY_REF_NODE) {
|
|
/* process deep in entities */
|
|
xsltApplyStripSpaces(ctxt, node->children);
|
|
}
|
|
if ((current->children != NULL) &&
|
|
(current->type != XML_ENTITY_REF_NODE)) {
|
|
current = current->children;
|
|
} else if (current->next != NULL) {
|
|
current = current->next;
|
|
} else {
|
|
do {
|
|
current = current->parent;
|
|
if (current == NULL)
|
|
break;
|
|
if (current == node)
|
|
goto done;
|
|
if (current->next != NULL) {
|
|
current = current->next;
|
|
break;
|
|
}
|
|
} while (current != NULL);
|
|
}
|
|
}
|
|
|
|
done:
|
|
#ifdef WITH_XSLT_DEBUG_PROCESS
|
|
XSLT_TRACE(ctxt,XSLT_TRACE_STRIP_SPACES,xsltGenericDebug(xsltGenericDebugContext,
|
|
"xsltApplyStripSpaces: removed %d ignorable blank node\n", nb));
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
static int
|
|
xsltCountKeys(xsltTransformContextPtr ctxt)
|
|
{
|
|
xsltStylesheetPtr style;
|
|
xsltKeyDefPtr keyd;
|
|
|
|
if (ctxt == NULL)
|
|
return(-1);
|
|
|
|
/*
|
|
* Do we have those nastly templates with a key() in the match pattern?
|
|
*/
|
|
ctxt->hasTemplKeyPatterns = 0;
|
|
style = ctxt->style;
|
|
while (style != NULL) {
|
|
if (style->keyMatch != NULL) {
|
|
ctxt->hasTemplKeyPatterns = 1;
|
|
break;
|
|
}
|
|
style = xsltNextImport(style);
|
|
}
|
|
/*
|
|
* Count number of key declarations.
|
|
*/
|
|
ctxt->nbKeys = 0;
|
|
style = ctxt->style;
|
|
while (style != NULL) {
|
|
keyd = style->keys;
|
|
while (keyd) {
|
|
ctxt->nbKeys++;
|
|
keyd = keyd->next;
|
|
}
|
|
style = xsltNextImport(style);
|
|
}
|
|
return(ctxt->nbKeys);
|
|
}
|
|
|
|
/**
|
|
* xsltApplyStylesheetInternal:
|
|
* @style: a parsed XSLT stylesheet
|
|
* @doc: a parsed XML document
|
|
* @params: a NULL terminated array of parameters names/values tuples
|
|
* @output: the targetted output
|
|
* @profile: profile FILE * output or NULL
|
|
* @user: user provided parameter
|
|
*
|
|
* Apply the stylesheet to the document
|
|
* NOTE: This may lead to a non-wellformed output XML wise !
|
|
*
|
|
* Returns the result document or NULL in case of error
|
|
*/
|
|
static xmlDocPtr
|
|
xsltApplyStylesheetInternal(xsltStylesheetPtr style, xmlDocPtr doc,
|
|
const char **params, const char *output,
|
|
FILE * profile, xsltTransformContextPtr userCtxt)
|
|
{
|
|
xmlDocPtr res = NULL;
|
|
xsltTransformContextPtr ctxt = NULL;
|
|
xmlNodePtr root, node;
|
|
const xmlChar *method;
|
|
const xmlChar *doctypePublic;
|
|
const xmlChar *doctypeSystem;
|
|
const xmlChar *version;
|
|
const xmlChar *encoding;
|
|
xsltStackElemPtr variables;
|
|
xsltStackElemPtr vptr;
|
|
|
|
xsltInitGlobals();
|
|
|
|
if ((style == NULL) || (doc == NULL))
|
|
return (NULL);
|
|
|
|
if (style->internalized == 0) {
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"Stylesheet was not fully internalized !\n");
|
|
#endif
|
|
}
|
|
if (doc->intSubset != NULL) {
|
|
/*
|
|
* Avoid hitting the DTD when scanning nodes
|
|
* but keep it linked as doc->intSubset
|
|
*/
|
|
xmlNodePtr cur = (xmlNodePtr) doc->intSubset;
|
|
if (cur->next != NULL)
|
|
cur->next->prev = cur->prev;
|
|
if (cur->prev != NULL)
|
|
cur->prev->next = cur->next;
|
|
if (doc->children == cur)
|
|
doc->children = cur->next;
|
|
if (doc->last == cur)
|
|
doc->last = cur->prev;
|
|
cur->prev = cur->next = NULL;
|
|
}
|
|
|
|
/*
|
|
* Check for XPath document order availability
|
|
*/
|
|
root = xmlDocGetRootElement(doc);
|
|
if (root != NULL) {
|
|
if (((ptrdiff_t) root->content >= 0) &&
|
|
(xslDebugStatus == XSLT_DEBUG_NONE))
|
|
xmlXPathOrderDocElems(doc);
|
|
}
|
|
|
|
if (userCtxt != NULL)
|
|
ctxt = userCtxt;
|
|
else
|
|
ctxt = xsltNewTransformContext(style, doc);
|
|
|
|
if (ctxt == NULL)
|
|
return (NULL);
|
|
|
|
ctxt->initialContextDoc = doc;
|
|
ctxt->initialContextNode = (xmlNodePtr) doc;
|
|
|
|
if (profile != NULL)
|
|
ctxt->profile = 1;
|
|
|
|
if (output != NULL)
|
|
ctxt->outputFile = output;
|
|
else
|
|
ctxt->outputFile = NULL;
|
|
|
|
/*
|
|
* internalize the modes if needed
|
|
*/
|
|
if (ctxt->dict != NULL) {
|
|
if (ctxt->mode != NULL)
|
|
ctxt->mode = xmlDictLookup(ctxt->dict, ctxt->mode, -1);
|
|
if (ctxt->modeURI != NULL)
|
|
ctxt->modeURI = xmlDictLookup(ctxt->dict, ctxt->modeURI, -1);
|
|
}
|
|
|
|
XSLT_GET_IMPORT_PTR(method, style, method)
|
|
XSLT_GET_IMPORT_PTR(doctypePublic, style, doctypePublic)
|
|
XSLT_GET_IMPORT_PTR(doctypeSystem, style, doctypeSystem)
|
|
XSLT_GET_IMPORT_PTR(version, style, version)
|
|
XSLT_GET_IMPORT_PTR(encoding, style, encoding)
|
|
|
|
if ((method != NULL) &&
|
|
(!xmlStrEqual(method, (const xmlChar *) "xml")))
|
|
{
|
|
if (xmlStrEqual(method, (const xmlChar *) "html")) {
|
|
ctxt->type = XSLT_OUTPUT_HTML;
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL))) {
|
|
res = htmlNewDoc(doctypeSystem, doctypePublic);
|
|
} else {
|
|
if (version == NULL) {
|
|
xmlDtdPtr dtd;
|
|
|
|
res = htmlNewDoc(NULL, NULL);
|
|
/*
|
|
* Make sure no DTD node is generated in this case
|
|
*/
|
|
if (res != NULL) {
|
|
dtd = xmlGetIntSubset(res);
|
|
if (dtd != NULL) {
|
|
xmlUnlinkNode((xmlNodePtr) dtd);
|
|
xmlFreeDtd(dtd);
|
|
}
|
|
res->intSubset = NULL;
|
|
res->extSubset = NULL;
|
|
}
|
|
} else {
|
|
|
|
#ifdef XSLT_GENERATE_HTML_DOCTYPE
|
|
xsltGetHTMLIDs(version, &doctypePublic, &doctypeSystem);
|
|
#endif
|
|
res = htmlNewDoc(doctypeSystem, doctypePublic);
|
|
}
|
|
}
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(res->dict);
|
|
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"reusing transformation dict for output\n");
|
|
#endif
|
|
} else if (xmlStrEqual(method, (const xmlChar *) "xhtml")) {
|
|
xsltTransformError(ctxt, NULL, (xmlNodePtr) doc,
|
|
"xsltApplyStylesheetInternal: unsupported method xhtml, using html\n");
|
|
ctxt->type = XSLT_OUTPUT_HTML;
|
|
res = htmlNewDoc(doctypeSystem, doctypePublic);
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(res->dict);
|
|
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"reusing transformation dict for output\n");
|
|
#endif
|
|
} else if (xmlStrEqual(method, (const xmlChar *) "text")) {
|
|
ctxt->type = XSLT_OUTPUT_TEXT;
|
|
res = xmlNewDoc(style->version);
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(res->dict);
|
|
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"reusing transformation dict for output\n");
|
|
#endif
|
|
} else {
|
|
xsltTransformError(ctxt, NULL, (xmlNodePtr) doc,
|
|
"xsltApplyStylesheetInternal: unsupported method (%s)\n",
|
|
method);
|
|
goto error;
|
|
}
|
|
} else {
|
|
ctxt->type = XSLT_OUTPUT_XML;
|
|
res = xmlNewDoc(style->version);
|
|
if (res == NULL)
|
|
goto error;
|
|
res->dict = ctxt->dict;
|
|
xmlDictReference(ctxt->dict);
|
|
#ifdef WITH_XSLT_DEBUG
|
|
xsltGenericDebug(xsltGenericDebugContext,
|
|
"reusing transformation dict for output\n");
|
|
#endif
|
|
}
|
|
res->charset = XML_CHAR_ENCODING_UTF8;
|
|
if (encoding != NULL)
|
|
res->encoding = xmlStrdup(encoding);
|
|
variables = style->variables;
|
|
|
|
/*
|
|
* Start the evaluation, evaluate the params, the stylesheets globals
|
|
* and start by processing the top node.
|
|
*/
|
|
if (xsltNeedElemSpaceHandling(ctxt))
|
|
xsltApplyStripSpaces(ctxt, xmlDocGetRootElement(doc));
|
|
/*
|
|
* Evaluate global params and user-provided params.
|
|
*/
|
|
ctxt->node = (xmlNodePtr) doc;
|
|
if (ctxt->globalVars == NULL)
|
|
ctxt->globalVars = xmlHashCreate(20);
|
|
if (params != NULL) {
|
|
xsltEvalUserParams(ctxt, params);
|
|
}
|
|
|
|
/* need to be called before evaluating global variables */
|
|
xsltCountKeys(ctxt);
|
|
|
|
xsltEvalGlobalVariables(ctxt);
|
|
|
|
/* Clean up any unused RVTs. */
|
|
xsltReleaseLocalRVTs(ctxt, NULL);
|
|
|
|
ctxt->node = (xmlNodePtr) doc;
|
|
ctxt->output = res;
|
|
ctxt->insert = (xmlNodePtr) res;
|
|
ctxt->varsBase = ctxt->varsNr - 1;
|
|
|
|
ctxt->xpathCtxt->contextSize = 1;
|
|
ctxt->xpathCtxt->proximityPosition = 1;
|
|
ctxt->xpathCtxt->node = NULL; /* TODO: Set the context node here? */
|
|
/*
|
|
* Start processing the source tree -----------------------------------
|
|
*/
|
|
xsltProcessOneNode(ctxt, ctxt->node, NULL);
|
|
/*
|
|
* Remove all remaining vars from the stack.
|
|
*/
|
|
xsltLocalVariablePop(ctxt, 0, -2);
|
|
xsltShutdownCtxtExts(ctxt);
|
|
|
|
xsltCleanupTemplates(style); /* TODO: <- style should be read only */
|
|
|
|
/*
|
|
* Now cleanup our variables so stylesheet can be re-used
|
|
*
|
|
* TODO: this is not needed anymore global variables are copied
|
|
* and not evaluated directly anymore, keep this as a check
|
|
*/
|
|
if (style->variables != variables) {
|
|
vptr = style->variables;
|
|
while (vptr->next != variables)
|
|
vptr = vptr->next;
|
|
vptr->next = NULL;
|
|
xsltFreeStackElemList(style->variables);
|
|
style->variables = variables;
|
|
}
|
|
vptr = style->variables;
|
|
while (vptr != NULL) {
|
|
if (vptr->computed) {
|
|
if (vptr->value != NULL) {
|
|
xmlXPathFreeObject(vptr->value);
|
|
vptr->value = NULL;
|
|
vptr->computed = 0;
|
|
}
|
|
}
|
|
vptr = vptr->next;
|
|
}
|
|
#if 0
|
|
/*
|
|
* code disabled by wmb; awaiting kb's review
|
|
* problem is that global variable(s) may contain xpath objects
|
|
* from doc associated with RVT, so can't be freed at this point.
|
|
* xsltFreeTransformContext includes a call to xsltFreeRVTs, so
|
|
* I assume this shouldn't be required at this point.
|
|
*/
|
|
/*
|
|
* Free all remaining tree fragments.
|
|
*/
|
|
xsltFreeRVTs(ctxt);
|
|
#endif
|
|
/*
|
|
* Do some post processing work depending on the generated output
|
|
*/
|
|
root = xmlDocGetRootElement(res);
|
|
if (root != NULL) {
|
|
const xmlChar *doctype = NULL;
|
|
|
|
if ((root->ns != NULL) && (root->ns->prefix != NULL))
|
|
doctype = xmlDictQLookup(ctxt->dict, root->ns->prefix, root->name);
|
|
if (doctype == NULL)
|
|
doctype = root->name;
|
|
|
|
/*
|
|
* Apply the default selection of the method
|
|
*/
|
|
if ((method == NULL) &&
|
|
(root->ns == NULL) &&
|
|
(!xmlStrcasecmp(root->name, (const xmlChar *) "html"))) {
|
|
xmlNodePtr tmp;
|
|
|
|
tmp = res->children;
|
|
while ((tmp != NULL) && (tmp != root)) {
|
|
if (tmp->type == XML_ELEMENT_NODE)
|
|
break;
|
|
if ((tmp->type == XML_TEXT_NODE) && (!xmlIsBlankNode(tmp)))
|
|
break;
|
|
tmp = tmp->next;
|
|
}
|
|
if (tmp == root) {
|
|
ctxt->type = XSLT_OUTPUT_HTML;
|
|
/*
|
|
* REVISIT TODO: XML_HTML_DOCUMENT_NODE is set after the
|
|
* transformation on the doc, but functions like
|
|
*/
|
|
res->type = XML_HTML_DOCUMENT_NODE;
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL))) {
|
|
res->intSubset = xmlCreateIntSubset(res, doctype,
|
|
doctypePublic,
|
|
doctypeSystem);
|
|
#ifdef XSLT_GENERATE_HTML_DOCTYPE
|
|
} else if (version != NULL) {
|
|
xsltGetHTMLIDs(version, &doctypePublic,
|
|
&doctypeSystem);
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL)))
|
|
res->intSubset =
|
|
xmlCreateIntSubset(res, doctype,
|
|
doctypePublic,
|
|
doctypeSystem);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
}
|
|
if (ctxt->type == XSLT_OUTPUT_XML) {
|
|
XSLT_GET_IMPORT_PTR(doctypePublic, style, doctypePublic)
|
|
XSLT_GET_IMPORT_PTR(doctypeSystem, style, doctypeSystem)
|
|
if (((doctypePublic != NULL) || (doctypeSystem != NULL))) {
|
|
xmlNodePtr last;
|
|
/* Need a small "hack" here to assure DTD comes before
|
|
possible comment nodes */
|
|
node = res->children;
|
|
last = res->last;
|
|
res->children = NULL;
|
|
res->last = NULL;
|
|
res->intSubset = xmlCreateIntSubset(res, doctype,
|
|
doctypePublic,
|
|
doctypeSystem);
|
|
if (res->children != NULL) {
|
|
res->children->next = node;
|
|
node->prev = res->children;
|
|
res->last = last;
|
|
} else {
|
|
res->children = node;
|
|
res->last = last;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
xmlXPathFreeNodeSet(ctxt->nodeList);
|
|
if (profile != NULL) {
|
|
xsltSaveProfiling(ctxt, profile);
|
|
}
|
|
|
|
/*
|
|
* Be pedantic.
|
|
*/
|
|
if ((ctxt != NULL) && (ctxt->state != XSLT_STATE_OK)) {
|
|
xmlFreeDoc(res);
|
|
res = NULL;
|
|
}
|
|
if ((res != NULL) && (ctxt != NULL) && (output != NULL)) {
|
|
int ret;
|
|
|
|
ret = xsltCheckWrite(ctxt->sec, ctxt, (const xmlChar *) output);
|
|
if (ret == 0) {
|
|
xsltTransformError(ctxt, NULL, NULL,
|
|
"xsltApplyStylesheet: forbidden to save to %s\n",
|
|
output);
|
|
} else if (ret < 0) {
|
|
xsltTransformError(ctxt, NULL, NULL,
|
|
"xsltApplyStylesheet: saving to %s may not be possible\n",
|
|
output);
|
|
}
|
|
}
|
|
|
|
#ifdef XSLT_DEBUG_PROFILE_CACHE
|
|
printf("# Cache:\n");
|
|
printf("# Reused tree fragments: %d\n", ctxt->cache->dbgReusedRVTs);
|
|
printf("# Reused variables : %d\n", ctxt->cache->dbgReusedVars);
|
|
#endif
|
|
|
|
if ((ctxt != NULL) && (userCtxt == NULL))
|
|
xsltFreeTransformContext(ctxt);
|
|
|
|
return (res);
|
|
|
|
error:
|
|
if (res != NULL)
|
|
xmlFreeDoc(res);
|
|
|
|
#ifdef XSLT_DEBUG_PROFILE_CACHE
|
|
printf("# Cache:\n");
|
|
printf("# Reused tree fragments: %d\n", ctxt->cache->dbgReusedRVTs);
|
|
printf("# Reused variables : %d\n", ctxt->cache->dbgReusedVars);
|
|
#endif
|
|
|
|
if ((ctxt != NULL) && (userCtxt == NULL))
|
|
xsltFreeTransformContext(ctxt);
|
|
return (NULL);
|
|
}
|
|
|
|
/**
|
|
* xsltApplyStylesheet:
|
|
* @style: a parsed XSLT stylesheet
|
|
* @doc: a parsed XML document
|
|
* @params: a NULL terminated arry of parameters names/values tuples
|
|
*
|
|
* Apply the stylesheet to the document
|
|
* NOTE: This may lead to a non-wellformed output XML wise !
|
|
*
|
|
* Returns the result document or NULL in case of error
|
|
*/
|
|
xmlDocPtr
|
|
xsltApplyStylesheet(xsltStylesheetPtr style, xmlDocPtr doc,
|
|
const char **params)
|
|
{
|
|
return (xsltApplyStylesheetInternal(style, doc, params, NULL, NULL, NULL));
|
|
}
|
|
|
|
/**
|
|
* xsltProfileStylesheet:
|
|
* @style: a parsed XSLT stylesheet
|
|
* @doc: a parsed XML document
|
|
* @params: a NULL terminated arry of parameters names/values tuples
|
|
* @output: a FILE * for the profiling output
|
|
*
|
|
* Apply the stylesheet to the document and dump the profiling to
|
|
* the given output.
|
|
*
|
|
* Returns the result document or NULL in case of error
|
|
*/
|
|
xmlDocPtr
|
|
xsltProfileStylesheet(xsltStylesheetPtr style, xmlDocPtr doc,
|
|
const char **params, FILE * output)
|
|
{
|
|
xmlDocPtr res;
|
|
|
|
res = xsltApplyStylesheetInternal(style, doc, params, NULL, output, NULL);
|
|
return (res);
|
|
}
|
|
|
|
/**
|
|
* xsltApplyStylesheetUser:
|
|
* @style: a parsed XSLT stylesheet
|
|
* @doc: a parsed XML document
|
|
* @params: a NULL terminated array of parameters names/values tuples
|
|
* @output: the targetted output
|
|
* @profile: profile FILE * output or NULL
|
|
* @userCtxt: user provided transform context
|
|
*
|
|
* Apply the stylesheet to the document and allow the user to provide
|
|
* its own transformation context.
|
|
*
|
|
* Returns the result document or NULL in case of error
|
|
*/
|
|
xmlDocPtr
|
|
xsltApplyStylesheetUser(xsltStylesheetPtr style, xmlDocPtr doc,
|
|
const char **params, const char *output,
|
|
FILE * profile, xsltTransformContextPtr userCtxt)
|
|
{
|
|
xmlDocPtr res;
|
|
|
|
res = xsltApplyStylesheetInternal(style, doc, params, output,
|
|
profile, userCtxt);
|
|
return (res);
|
|
}
|
|
|
|
/**
|
|
* xsltRunStylesheetUser:
|
|
* @style: a parsed XSLT stylesheet
|
|
* @doc: a parsed XML document
|
|
* @params: a NULL terminated array of parameters names/values tuples
|
|
* @output: the URL/filename ot the generated resource if available
|
|
* @SAX: a SAX handler for progressive callback output (not implemented yet)
|
|
* @IObuf: an output buffer for progressive output (not implemented yet)
|
|
* @profile: profile FILE * output or NULL
|
|
* @userCtxt: user provided transform context
|
|
*
|
|
* Apply the stylesheet to the document and generate the output according
|
|
* to @output @SAX and @IObuf. It's an error to specify both @SAX and @IObuf.
|
|
*
|
|
* NOTE: This may lead to a non-wellformed output XML wise !
|
|
* NOTE: This may also result in multiple files being generated
|
|
* NOTE: using IObuf, the result encoding used will be the one used for
|
|
* creating the output buffer, use the following macro to read it
|
|
* from the stylesheet
|
|
* XSLT_GET_IMPORT_PTR(encoding, style, encoding)
|
|
* NOTE: using SAX, any encoding specified in the stylesheet will be lost
|
|
* since the interface uses only UTF8
|
|
*
|
|
* Returns the number of by written to the main resource or -1 in case of
|
|
* error.
|
|
*/
|
|
int
|
|
xsltRunStylesheetUser(xsltStylesheetPtr style, xmlDocPtr doc,
|
|
const char **params, const char *output,
|
|
xmlSAXHandlerPtr SAX, xmlOutputBufferPtr IObuf,
|
|
FILE * profile, xsltTransformContextPtr userCtxt)
|
|
{
|
|
xmlDocPtr tmp;
|
|
int ret;
|
|
|
|
if ((output == NULL) && (SAX == NULL) && (IObuf == NULL))
|
|
return (-1);
|
|
if ((SAX != NULL) && (IObuf != NULL))
|
|
return (-1);
|
|
|
|
/* unsupported yet */
|
|
if (SAX != NULL) {
|
|
XSLT_TODO /* xsltRunStylesheet xmlSAXHandlerPtr SAX */
|
|
return (-1);
|
|
}
|
|
|
|
tmp = xsltApplyStylesheetInternal(style, doc, params, output, profile,
|
|
userCtxt);
|
|
if (tmp == NULL) {
|
|
xsltTransformError(NULL, NULL, (xmlNodePtr) doc,
|
|
"xsltRunStylesheet : run failed\n");
|
|
return (-1);
|
|
}
|
|
if (IObuf != NULL) {
|
|
/* TODO: incomplete, IObuf output not progressive */
|
|
ret = xsltSaveResultTo(IObuf, tmp, style);
|
|
} else {
|
|
ret = xsltSaveResultToFilename(output, tmp, style, 0);
|
|
}
|
|
xmlFreeDoc(tmp);
|
|
return (ret);
|
|
}
|
|
|
|
/**
|
|
* xsltRunStylesheet:
|
|
* @style: a parsed XSLT stylesheet
|
|
* @doc: a parsed XML document
|
|
* @params: a NULL terminated array of parameters names/values tuples
|
|
* @output: the URL/filename ot the generated resource if available
|
|
* @SAX: a SAX handler for progressive callback output (not implemented yet)
|
|
* @IObuf: an output buffer for progressive output (not implemented yet)
|
|
*
|
|
* Apply the stylesheet to the document and generate the output according
|
|
* to @output @SAX and @IObuf. It's an error to specify both @SAX and @IObuf.
|
|
*
|
|
* NOTE: This may lead to a non-wellformed output XML wise !
|
|
* NOTE: This may also result in multiple files being generated
|
|
* NOTE: using IObuf, the result encoding used will be the one used for
|
|
* creating the output buffer, use the following macro to read it
|
|
* from the stylesheet
|
|
* XSLT_GET_IMPORT_PTR(encoding, style, encoding)
|
|
* NOTE: using SAX, any encoding specified in the stylesheet will be lost
|
|
* since the interface uses only UTF8
|
|
*
|
|
* Returns the number of bytes written to the main resource or -1 in case of
|
|
* error.
|
|
*/
|
|
int
|
|
xsltRunStylesheet(xsltStylesheetPtr style, xmlDocPtr doc,
|
|
const char **params, const char *output,
|
|
xmlSAXHandlerPtr SAX, xmlOutputBufferPtr IObuf)
|
|
{
|
|
return(xsltRunStylesheetUser(style, doc, params, output, SAX, IObuf,
|
|
NULL, NULL));
|
|
}
|
|
|
|
/**
|
|
* xsltRegisterAllElement:
|
|
* @ctxt: the XPath context
|
|
*
|
|
* Registers all default XSLT elements in this context
|
|
*/
|
|
void
|
|
xsltRegisterAllElement(xsltTransformContextPtr ctxt)
|
|
{
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "apply-templates",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltApplyTemplates);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "apply-imports",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltApplyImports);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "call-template",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltCallTemplate);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "element",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltElement);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "attribute",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltAttribute);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "text",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltText);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "processing-instruction",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltProcessingInstruction);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "comment",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltComment);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "copy",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltCopy);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "value-of",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltValueOf);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "number",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltNumber);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "for-each",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltForEach);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "if",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltIf);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "choose",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltChoose);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "sort",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltSort);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "copy-of",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltCopyOf);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "message",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltMessage);
|
|
|
|
/*
|
|
* Those don't have callable entry points but are registered anyway
|
|
*/
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "variable",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltDebug);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "param",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltDebug);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "with-param",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltDebug);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "decimal-format",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltDebug);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "when",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltDebug);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "otherwise",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltDebug);
|
|
xsltRegisterExtElement(ctxt, (const xmlChar *) "fallback",
|
|
XSLT_NAMESPACE,
|
|
(xsltTransformFunction) xsltDebug);
|
|
|
|
}
|