7044 lines
181 KiB
C
7044 lines
181 KiB
C
/*
|
||
* xslt.c: Implemetation of an XSL Transformation 1.0 engine
|
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*
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* Reference:
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* XSLT specification
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* http://www.w3.org/TR/1999/REC-xslt-19991116
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*
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* Associating Style Sheets with XML documents
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* http://www.w3.org/1999/06/REC-xml-stylesheet-19990629
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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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#define IN_LIBXSLT
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#include "libxslt.h"
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#include <string.h>
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#include <libxml/xmlmemory.h>
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#include <libxml/parser.h>
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#include <libxml/tree.h>
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#include <libxml/valid.h>
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#include <libxml/hash.h>
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#include <libxml/uri.h>
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#include <libxml/xmlerror.h>
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#include <libxml/parserInternals.h>
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#include <libxml/xpathInternals.h>
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#include <libxml/xpath.h>
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#include "xslt.h"
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#include "xsltInternals.h"
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#include "pattern.h"
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#include "variables.h"
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#include "namespaces.h"
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#include "attributes.h"
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#include "xsltutils.h"
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#include "imports.h"
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#include "keys.h"
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#include "documents.h"
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#include "extensions.h"
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#include "preproc.h"
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#include "extra.h"
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#include "security.h"
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#include "xsltlocale.h"
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#ifdef WITH_XSLT_DEBUG
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#define WITH_XSLT_DEBUG_PARSING
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/* #define WITH_XSLT_DEBUG_BLANKS */
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#endif
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const char *xsltEngineVersion = LIBXSLT_VERSION_STRING LIBXSLT_VERSION_EXTRA;
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const int xsltLibxsltVersion = LIBXSLT_VERSION;
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const int xsltLibxmlVersion = LIBXML_VERSION;
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#ifdef XSLT_REFACTORED
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const xmlChar *xsltConstNamespaceNameXSLT = (const xmlChar *) XSLT_NAMESPACE;
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#define XSLT_ELEMENT_CATEGORY_XSLT 0
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#define XSLT_ELEMENT_CATEGORY_EXTENSION 1
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#define XSLT_ELEMENT_CATEGORY_LRE 2
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/*
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* xsltLiteralResultMarker:
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* Marker for Literal result elements, in order to avoid multiple attempts
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* to recognize such elements in the stylesheet's tree.
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* This marker is set on node->psvi during the initial traversal
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* of a stylesheet's node tree.
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*
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const xmlChar *xsltLiteralResultMarker =
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(const xmlChar *) "Literal Result Element";
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*/
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/*
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* xsltXSLTTextMarker:
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* Marker for xsl:text elements. Used to recognize xsl:text elements
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* for post-processing of the stylesheet's tree, where those
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* elements are removed from the tree.
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*/
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const xmlChar *xsltXSLTTextMarker = (const xmlChar *) "XSLT Text Element";
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/*
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* xsltXSLTAttrMarker:
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* Marker for XSLT attribute on Literal Result Elements.
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*/
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const xmlChar *xsltXSLTAttrMarker = (const xmlChar *) "LRE XSLT Attr";
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#endif
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#ifdef XSLT_LOCALE_WINAPI
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extern xmlRMutexPtr xsltLocaleMutex;
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#endif
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/*
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* Harmless but avoiding a problem when compiling against a
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* libxml <= 2.3.11 without LIBXML_DEBUG_ENABLED
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*/
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#ifndef LIBXML_DEBUG_ENABLED
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double xmlXPathStringEvalNumber(const xmlChar *str);
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#endif
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/*
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* Useful macros
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*/
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#ifdef IS_BLANK
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#undef IS_BLANK
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#endif
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#define IS_BLANK(c) (((c) == 0x20) || ((c) == 0x09) || ((c) == 0xA) || \
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((c) == 0x0D))
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#ifdef IS_BLANK_NODE
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#undef IS_BLANK_NODE
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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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* xsltParseContentError:
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*
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* @style: the stylesheet
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* @node: the node where the error occured
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*
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* Compile-time error function.
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*/
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static void
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xsltParseContentError(xsltStylesheetPtr style,
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xmlNodePtr node)
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{
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if ((style == NULL) || (node == NULL))
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return;
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if (IS_XSLT_ELEM(node))
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xsltTransformError(NULL, style, node,
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"The XSLT-element '%s' is not allowed at this position.\n",
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node->name);
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else
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xsltTransformError(NULL, style, node,
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"The element '%s' is not allowed at this position.\n",
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node->name);
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style->errors++;
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}
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#ifdef XSLT_REFACTORED
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#else
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/**
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* exclPrefixPush:
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* @style: the transformation stylesheet
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* @value: the excluded namespace name to push on the stack
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*
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* Push an excluded namespace name on the stack
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*
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* Returns the new index in the stack or -1 if already present or
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* in case of error
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*/
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static int
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exclPrefixPush(xsltStylesheetPtr style, xmlChar * value)
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{
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int i;
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if (style->exclPrefixMax == 0) {
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style->exclPrefixMax = 4;
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style->exclPrefixTab =
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(xmlChar * *)xmlMalloc(style->exclPrefixMax *
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sizeof(style->exclPrefixTab[0]));
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if (style->exclPrefixTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "malloc failed !\n");
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return (-1);
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}
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}
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/* do not push duplicates */
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for (i = 0;i < style->exclPrefixNr;i++) {
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if (xmlStrEqual(style->exclPrefixTab[i], value))
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return(-1);
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}
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if (style->exclPrefixNr >= style->exclPrefixMax) {
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style->exclPrefixMax *= 2;
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style->exclPrefixTab =
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(xmlChar * *)xmlRealloc(style->exclPrefixTab,
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style->exclPrefixMax *
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sizeof(style->exclPrefixTab[0]));
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if (style->exclPrefixTab == NULL) {
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xmlGenericError(xmlGenericErrorContext, "realloc failed !\n");
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return (-1);
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}
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}
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style->exclPrefixTab[style->exclPrefixNr] = value;
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style->exclPrefix = value;
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return (style->exclPrefixNr++);
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}
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/**
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* exclPrefixPop:
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* @style: the transformation stylesheet
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*
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* Pop an excluded prefix value from the stack
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*
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* Returns the stored excluded prefix value
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*/
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static xmlChar *
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exclPrefixPop(xsltStylesheetPtr style)
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{
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xmlChar *ret;
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if (style->exclPrefixNr <= 0)
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return (0);
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style->exclPrefixNr--;
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if (style->exclPrefixNr > 0)
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style->exclPrefix = style->exclPrefixTab[style->exclPrefixNr - 1];
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else
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style->exclPrefix = NULL;
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ret = style->exclPrefixTab[style->exclPrefixNr];
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style->exclPrefixTab[style->exclPrefixNr] = 0;
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return (ret);
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}
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#endif
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/************************************************************************
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* *
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* Helper functions *
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* *
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************************************************************************/
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static int initialized = 0;
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/**
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* xsltInit:
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*
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* Initializes the processor (e.g. registers built-in extensions,
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* etc.)
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*/
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void
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xsltInit (void) {
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if (initialized == 0) {
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initialized = 1;
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#ifdef XSLT_LOCALE_WINAPI
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xsltLocaleMutex = xmlNewRMutex();
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#endif
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xsltRegisterAllExtras();
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}
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}
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/**
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* xsltUninit:
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*
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* Uninitializes the processor.
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*/
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void
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xsltUninit (void) {
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#ifdef XSLT_LOCALE_WINAPI
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xmlFreeRMutex(xsltLocaleMutex);
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xsltLocaleMutex = NULL;
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#endif
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initialized = 0;
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}
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/**
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* xsltIsBlank:
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* @str: a string
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*
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* Check if a string is ignorable
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*
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* Returns 1 if the string is NULL or made of blanks chars, 0 otherwise
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*/
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int
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xsltIsBlank(xmlChar *str) {
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if (str == NULL)
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return(1);
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while (*str != 0) {
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if (!(IS_BLANK(*str))) return(0);
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str++;
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}
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return(1);
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}
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/************************************************************************
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* *
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* Routines to handle XSLT data structures *
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* *
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************************************************************************/
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static xsltDecimalFormatPtr
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xsltNewDecimalFormat(const xmlChar *nsUri, xmlChar *name)
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{
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xsltDecimalFormatPtr self;
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/* UTF-8 for 0x2030 */
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static const xmlChar permille[4] = {0xe2, 0x80, 0xb0, 0};
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self = xmlMalloc(sizeof(xsltDecimalFormat));
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if (self != NULL) {
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self->next = NULL;
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self->nsUri = nsUri;
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self->name = name;
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/* Default values */
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self->digit = xmlStrdup(BAD_CAST("#"));
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self->patternSeparator = xmlStrdup(BAD_CAST(";"));
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self->decimalPoint = xmlStrdup(BAD_CAST("."));
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self->grouping = xmlStrdup(BAD_CAST(","));
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self->percent = xmlStrdup(BAD_CAST("%"));
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self->permille = xmlStrdup(BAD_CAST(permille));
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self->zeroDigit = xmlStrdup(BAD_CAST("0"));
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self->minusSign = xmlStrdup(BAD_CAST("-"));
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self->infinity = xmlStrdup(BAD_CAST("Infinity"));
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self->noNumber = xmlStrdup(BAD_CAST("NaN"));
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}
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return self;
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}
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static void
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xsltFreeDecimalFormat(xsltDecimalFormatPtr self)
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{
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if (self != NULL) {
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if (self->digit)
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xmlFree(self->digit);
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if (self->patternSeparator)
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xmlFree(self->patternSeparator);
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if (self->decimalPoint)
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xmlFree(self->decimalPoint);
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if (self->grouping)
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xmlFree(self->grouping);
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if (self->percent)
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xmlFree(self->percent);
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if (self->permille)
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xmlFree(self->permille);
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if (self->zeroDigit)
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xmlFree(self->zeroDigit);
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if (self->minusSign)
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xmlFree(self->minusSign);
|
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if (self->infinity)
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xmlFree(self->infinity);
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if (self->noNumber)
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xmlFree(self->noNumber);
|
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if (self->name)
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xmlFree(self->name);
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xmlFree(self);
|
||
}
|
||
}
|
||
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static void
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||
xsltFreeDecimalFormatList(xsltStylesheetPtr self)
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||
{
|
||
xsltDecimalFormatPtr iter;
|
||
xsltDecimalFormatPtr tmp;
|
||
|
||
if (self == NULL)
|
||
return;
|
||
|
||
iter = self->decimalFormat;
|
||
while (iter != NULL) {
|
||
tmp = iter->next;
|
||
xsltFreeDecimalFormat(iter);
|
||
iter = tmp;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* xsltDecimalFormatGetByName:
|
||
* @style: the XSLT stylesheet
|
||
* @name: the decimal-format name to find
|
||
*
|
||
* Find decimal-format by name
|
||
*
|
||
* Returns the xsltDecimalFormatPtr
|
||
*/
|
||
xsltDecimalFormatPtr
|
||
xsltDecimalFormatGetByName(xsltStylesheetPtr style, xmlChar *name)
|
||
{
|
||
xsltDecimalFormatPtr result = NULL;
|
||
|
||
if (name == NULL)
|
||
return style->decimalFormat;
|
||
|
||
while (style != NULL) {
|
||
for (result = style->decimalFormat->next;
|
||
result != NULL;
|
||
result = result->next) {
|
||
if ((result->nsUri == NULL) && xmlStrEqual(name, result->name))
|
||
return result;
|
||
}
|
||
style = xsltNextImport(style);
|
||
}
|
||
return result;
|
||
}
|
||
|
||
/**
|
||
* xsltDecimalFormatGetByQName:
|
||
* @style: the XSLT stylesheet
|
||
* @nsUri: the namespace URI of the QName
|
||
* @name: the local part of the QName
|
||
*
|
||
* Find decimal-format by QName
|
||
*
|
||
* Returns the xsltDecimalFormatPtr
|
||
*/
|
||
xsltDecimalFormatPtr
|
||
xsltDecimalFormatGetByQName(xsltStylesheetPtr style, const xmlChar *nsUri,
|
||
const xmlChar *name)
|
||
{
|
||
xsltDecimalFormatPtr result = NULL;
|
||
|
||
if (name == NULL)
|
||
return style->decimalFormat;
|
||
|
||
while (style != NULL) {
|
||
for (result = style->decimalFormat->next;
|
||
result != NULL;
|
||
result = result->next) {
|
||
if (xmlStrEqual(nsUri, result->nsUri) &&
|
||
xmlStrEqual(name, result->name))
|
||
return result;
|
||
}
|
||
style = xsltNextImport(style);
|
||
}
|
||
return result;
|
||
}
|
||
|
||
|
||
/**
|
||
* xsltNewTemplate:
|
||
*
|
||
* Create a new XSLT Template
|
||
*
|
||
* Returns the newly allocated xsltTemplatePtr or NULL in case of error
|
||
*/
|
||
static xsltTemplatePtr
|
||
xsltNewTemplate(void) {
|
||
xsltTemplatePtr cur;
|
||
|
||
cur = (xsltTemplatePtr) xmlMalloc(sizeof(xsltTemplate));
|
||
if (cur == NULL) {
|
||
xsltTransformError(NULL, NULL, NULL,
|
||
"xsltNewTemplate : malloc failed\n");
|
||
return(NULL);
|
||
}
|
||
memset(cur, 0, sizeof(xsltTemplate));
|
||
cur->priority = XSLT_PAT_NO_PRIORITY;
|
||
return(cur);
|
||
}
|
||
|
||
/**
|
||
* xsltFreeTemplate:
|
||
* @template: an XSLT template
|
||
*
|
||
* Free up the memory allocated by @template
|
||
*/
|
||
static void
|
||
xsltFreeTemplate(xsltTemplatePtr template) {
|
||
if (template == NULL)
|
||
return;
|
||
if (template->match) xmlFree(template->match);
|
||
/*
|
||
* NOTE: @name and @nameURI are put into the string dict now.
|
||
* if (template->name) xmlFree(template->name);
|
||
* if (template->nameURI) xmlFree(template->nameURI);
|
||
*/
|
||
/*
|
||
if (template->mode) xmlFree(template->mode);
|
||
if (template->modeURI) xmlFree(template->modeURI);
|
||
*/
|
||
if (template->inheritedNs) xmlFree(template->inheritedNs);
|
||
|
||
/* free profiling data */
|
||
if (template->templCalledTab) xmlFree(template->templCalledTab);
|
||
if (template->templCountTab) xmlFree(template->templCountTab);
|
||
|
||
memset(template, -1, sizeof(xsltTemplate));
|
||
xmlFree(template);
|
||
}
|
||
|
||
/**
|
||
* xsltFreeTemplateList:
|
||
* @template: an XSLT template list
|
||
*
|
||
* Free up the memory allocated by all the elements of @template
|
||
*/
|
||
static void
|
||
xsltFreeTemplateList(xsltTemplatePtr template) {
|
||
xsltTemplatePtr cur;
|
||
|
||
while (template != NULL) {
|
||
cur = template;
|
||
template = template->next;
|
||
xsltFreeTemplate(cur);
|
||
}
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
|
||
static void
|
||
xsltFreeNsAliasList(xsltNsAliasPtr item)
|
||
{
|
||
xsltNsAliasPtr tmp;
|
||
|
||
while (item) {
|
||
tmp = item;
|
||
item = item->next;
|
||
xmlFree(tmp);
|
||
}
|
||
return;
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
static void
|
||
xsltFreeNamespaceMap(xsltNsMapPtr item)
|
||
{
|
||
xsltNsMapPtr tmp;
|
||
|
||
while (item) {
|
||
tmp = item;
|
||
item = item->next;
|
||
xmlFree(tmp);
|
||
}
|
||
return;
|
||
}
|
||
|
||
static xsltNsMapPtr
|
||
xsltNewNamespaceMapItem(xsltCompilerCtxtPtr cctxt,
|
||
xmlDocPtr doc,
|
||
xmlNsPtr ns,
|
||
xmlNodePtr elem)
|
||
{
|
||
xsltNsMapPtr ret;
|
||
|
||
if ((cctxt == NULL) || (doc == NULL) || (ns == NULL))
|
||
return(NULL);
|
||
|
||
ret = (xsltNsMapPtr) xmlMalloc(sizeof(xsltNsMap));
|
||
if (ret == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"Internal error: (xsltNewNamespaceMapItem) "
|
||
"memory allocation failed.\n");
|
||
return(NULL);
|
||
}
|
||
memset(ret, 0, sizeof(xsltNsMap));
|
||
ret->doc = doc;
|
||
ret->ns = ns;
|
||
ret->origNsName = ns->href;
|
||
/*
|
||
* Store the item at current stylesheet-level.
|
||
*/
|
||
if (cctxt->psData->nsMap != NULL)
|
||
ret->next = cctxt->psData->nsMap;
|
||
cctxt->psData->nsMap = ret;
|
||
|
||
return(ret);
|
||
}
|
||
#endif /* XSLT_REFACTORED_XSLT_NSCOMP */
|
||
|
||
/**
|
||
* xsltCompilerVarInfoFree:
|
||
* @cctxt: the compilation context
|
||
*
|
||
* Frees the list of information for vars/params.
|
||
*/
|
||
static void
|
||
xsltCompilerVarInfoFree(xsltCompilerCtxtPtr cctxt)
|
||
{
|
||
xsltVarInfoPtr ivar = cctxt->ivars, ivartmp;
|
||
|
||
while (ivar) {
|
||
ivartmp = ivar;
|
||
ivar = ivar->next;
|
||
xmlFree(ivartmp);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* xsltCompilerCtxtFree:
|
||
*
|
||
* Free an XSLT compiler context.
|
||
*/
|
||
static void
|
||
xsltCompilationCtxtFree(xsltCompilerCtxtPtr cctxt)
|
||
{
|
||
if (cctxt == NULL)
|
||
return;
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"Freeing compilation context\n");
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"### Max inodes: %d\n", cctxt->maxNodeInfos);
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"### Max LREs : %d\n", cctxt->maxLREs);
|
||
#endif
|
||
/*
|
||
* Free node-infos.
|
||
*/
|
||
if (cctxt->inodeList != NULL) {
|
||
xsltCompilerNodeInfoPtr tmp, cur = cctxt->inodeList;
|
||
while (cur != NULL) {
|
||
tmp = cur;
|
||
cur = cur->next;
|
||
xmlFree(tmp);
|
||
}
|
||
}
|
||
if (cctxt->tmpList != NULL)
|
||
xsltPointerListFree(cctxt->tmpList);
|
||
if (cctxt->nsAliases != NULL)
|
||
xsltFreeNsAliasList(cctxt->nsAliases);
|
||
|
||
if (cctxt->ivars)
|
||
xsltCompilerVarInfoFree(cctxt);
|
||
|
||
xmlFree(cctxt);
|
||
}
|
||
|
||
/**
|
||
* xsltCompilerCreate:
|
||
*
|
||
* Creates an XSLT compiler context.
|
||
*
|
||
* Returns the pointer to the created xsltCompilerCtxt or
|
||
* NULL in case of an internal error.
|
||
*/
|
||
static xsltCompilerCtxtPtr
|
||
xsltCompilationCtxtCreate(xsltStylesheetPtr style) {
|
||
xsltCompilerCtxtPtr ret;
|
||
|
||
ret = (xsltCompilerCtxtPtr) xmlMalloc(sizeof(xsltCompilerCtxt));
|
||
if (ret == NULL) {
|
||
xsltTransformError(NULL, style, NULL,
|
||
"xsltCompilerCreate: allocation of compiler "
|
||
"context failed.\n");
|
||
return(NULL);
|
||
}
|
||
memset(ret, 0, sizeof(xsltCompilerCtxt));
|
||
|
||
ret->errSeverity = XSLT_ERROR_SEVERITY_ERROR;
|
||
ret->tmpList = xsltPointerListCreate(20);
|
||
if (ret->tmpList == NULL) {
|
||
goto internal_err;
|
||
}
|
||
|
||
return(ret);
|
||
|
||
internal_err:
|
||
xsltCompilationCtxtFree(ret);
|
||
return(NULL);
|
||
}
|
||
|
||
static void
|
||
xsltLREEffectiveNsNodesFree(xsltEffectiveNsPtr first)
|
||
{
|
||
xsltEffectiveNsPtr tmp;
|
||
|
||
while (first != NULL) {
|
||
tmp = first;
|
||
first = first->nextInStore;
|
||
xmlFree(tmp);
|
||
}
|
||
}
|
||
|
||
static void
|
||
xsltFreePrincipalStylesheetData(xsltPrincipalStylesheetDataPtr data)
|
||
{
|
||
if (data == NULL)
|
||
return;
|
||
|
||
if (data->inScopeNamespaces != NULL) {
|
||
int i;
|
||
xsltNsListContainerPtr nsi;
|
||
xsltPointerListPtr list =
|
||
(xsltPointerListPtr) data->inScopeNamespaces;
|
||
|
||
for (i = 0; i < list->number; i++) {
|
||
/*
|
||
* REVISIT TODO: Free info of in-scope namespaces.
|
||
*/
|
||
nsi = (xsltNsListContainerPtr) list->items[i];
|
||
if (nsi->list != NULL)
|
||
xmlFree(nsi->list);
|
||
xmlFree(nsi);
|
||
}
|
||
xsltPointerListFree(list);
|
||
data->inScopeNamespaces = NULL;
|
||
}
|
||
|
||
if (data->exclResultNamespaces != NULL) {
|
||
int i;
|
||
xsltPointerListPtr list = (xsltPointerListPtr)
|
||
data->exclResultNamespaces;
|
||
|
||
for (i = 0; i < list->number; i++)
|
||
xsltPointerListFree((xsltPointerListPtr) list->items[i]);
|
||
|
||
xsltPointerListFree(list);
|
||
data->exclResultNamespaces = NULL;
|
||
}
|
||
|
||
if (data->extElemNamespaces != NULL) {
|
||
xsltPointerListPtr list = (xsltPointerListPtr)
|
||
data->extElemNamespaces;
|
||
int i;
|
||
|
||
for (i = 0; i < list->number; i++)
|
||
xsltPointerListFree((xsltPointerListPtr) list->items[i]);
|
||
|
||
xsltPointerListFree(list);
|
||
data->extElemNamespaces = NULL;
|
||
}
|
||
if (data->effectiveNs) {
|
||
xsltLREEffectiveNsNodesFree(data->effectiveNs);
|
||
data->effectiveNs = NULL;
|
||
}
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
xsltFreeNamespaceMap(data->nsMap);
|
||
#endif
|
||
xmlFree(data);
|
||
}
|
||
|
||
static xsltPrincipalStylesheetDataPtr
|
||
xsltNewPrincipalStylesheetData(void)
|
||
{
|
||
xsltPrincipalStylesheetDataPtr ret;
|
||
|
||
ret = (xsltPrincipalStylesheetDataPtr)
|
||
xmlMalloc(sizeof(xsltPrincipalStylesheetData));
|
||
if (ret == NULL) {
|
||
xsltTransformError(NULL, NULL, NULL,
|
||
"xsltNewPrincipalStylesheetData: memory allocation failed.\n");
|
||
return(NULL);
|
||
}
|
||
memset(ret, 0, sizeof(xsltPrincipalStylesheetData));
|
||
|
||
/*
|
||
* Global list of in-scope namespaces.
|
||
*/
|
||
ret->inScopeNamespaces = xsltPointerListCreate(-1);
|
||
if (ret->inScopeNamespaces == NULL)
|
||
goto internal_err;
|
||
/*
|
||
* Global list of excluded result ns-decls.
|
||
*/
|
||
ret->exclResultNamespaces = xsltPointerListCreate(-1);
|
||
if (ret->exclResultNamespaces == NULL)
|
||
goto internal_err;
|
||
/*
|
||
* Global list of extension instruction namespace names.
|
||
*/
|
||
ret->extElemNamespaces = xsltPointerListCreate(-1);
|
||
if (ret->extElemNamespaces == NULL)
|
||
goto internal_err;
|
||
|
||
return(ret);
|
||
|
||
internal_err:
|
||
|
||
return(NULL);
|
||
}
|
||
|
||
#endif
|
||
|
||
/**
|
||
* xsltNewStylesheetInternal:
|
||
* @parent: the parent stylesheet or NULL
|
||
*
|
||
* Create a new XSLT Stylesheet
|
||
*
|
||
* Returns the newly allocated xsltStylesheetPtr or NULL in case of error
|
||
*/
|
||
static xsltStylesheetPtr
|
||
xsltNewStylesheetInternal(xsltStylesheetPtr parent) {
|
||
xsltStylesheetPtr ret = NULL;
|
||
|
||
ret = (xsltStylesheetPtr) xmlMalloc(sizeof(xsltStylesheet));
|
||
if (ret == NULL) {
|
||
xsltTransformError(NULL, NULL, NULL,
|
||
"xsltNewStylesheet : malloc failed\n");
|
||
goto internal_err;
|
||
}
|
||
memset(ret, 0, sizeof(xsltStylesheet));
|
||
|
||
ret->parent = parent;
|
||
ret->omitXmlDeclaration = -1;
|
||
ret->standalone = -1;
|
||
ret->decimalFormat = xsltNewDecimalFormat(NULL, NULL);
|
||
ret->indent = -1;
|
||
ret->errors = 0;
|
||
ret->warnings = 0;
|
||
ret->exclPrefixNr = 0;
|
||
ret->exclPrefixMax = 0;
|
||
ret->exclPrefixTab = NULL;
|
||
ret->extInfos = NULL;
|
||
ret->extrasNr = 0;
|
||
ret->internalized = 1;
|
||
ret->literal_result = 0;
|
||
ret->forwards_compatible = 0;
|
||
ret->dict = xmlDictCreate();
|
||
#ifdef WITH_XSLT_DEBUG
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"creating dictionary for stylesheet\n");
|
||
#endif
|
||
|
||
if (parent == NULL) {
|
||
ret->principal = ret;
|
||
|
||
ret->xpathCtxt = xmlXPathNewContext(NULL);
|
||
if (ret->xpathCtxt == NULL) {
|
||
xsltTransformError(NULL, NULL, NULL,
|
||
"xsltNewStylesheet: xmlXPathNewContext failed\n");
|
||
goto internal_err;
|
||
}
|
||
if (xmlXPathContextSetCache(ret->xpathCtxt, 1, -1, 0) == -1)
|
||
goto internal_err;
|
||
} else {
|
||
ret->principal = parent->principal;
|
||
}
|
||
|
||
xsltInit();
|
||
|
||
return(ret);
|
||
|
||
internal_err:
|
||
if (ret != NULL)
|
||
xsltFreeStylesheet(ret);
|
||
return(NULL);
|
||
}
|
||
|
||
/**
|
||
* xsltNewStylesheet:
|
||
*
|
||
* Create a new XSLT Stylesheet
|
||
*
|
||
* Returns the newly allocated xsltStylesheetPtr or NULL in case of error
|
||
*/
|
||
xsltStylesheetPtr
|
||
xsltNewStylesheet(void) {
|
||
return xsltNewStylesheetInternal(NULL);
|
||
}
|
||
|
||
/**
|
||
* xsltAllocateExtra:
|
||
* @style: an XSLT stylesheet
|
||
*
|
||
* Allocate an extra runtime information slot statically while compiling
|
||
* the stylesheet and return its number
|
||
*
|
||
* Returns the number of the slot
|
||
*/
|
||
int
|
||
xsltAllocateExtra(xsltStylesheetPtr style)
|
||
{
|
||
return(style->extrasNr++);
|
||
}
|
||
|
||
/**
|
||
* xsltAllocateExtraCtxt:
|
||
* @ctxt: an XSLT transformation context
|
||
*
|
||
* Allocate an extra runtime information slot at run-time
|
||
* and return its number
|
||
* This make sure there is a slot ready in the transformation context
|
||
*
|
||
* Returns the number of the slot
|
||
*/
|
||
int
|
||
xsltAllocateExtraCtxt(xsltTransformContextPtr ctxt)
|
||
{
|
||
if (ctxt->extrasNr >= ctxt->extrasMax) {
|
||
int i;
|
||
if (ctxt->extrasNr == 0) {
|
||
ctxt->extrasMax = 20;
|
||
ctxt->extras = (xsltRuntimeExtraPtr)
|
||
xmlMalloc(ctxt->extrasMax * sizeof(xsltRuntimeExtra));
|
||
if (ctxt->extras == NULL) {
|
||
xsltTransformError(ctxt, NULL, NULL,
|
||
"xsltAllocateExtraCtxt: out of memory\n");
|
||
return(0);
|
||
}
|
||
for (i = 0;i < ctxt->extrasMax;i++) {
|
||
ctxt->extras[i].info = NULL;
|
||
ctxt->extras[i].deallocate = NULL;
|
||
ctxt->extras[i].val.ptr = NULL;
|
||
}
|
||
|
||
} else {
|
||
xsltRuntimeExtraPtr tmp;
|
||
|
||
ctxt->extrasMax += 100;
|
||
tmp = (xsltRuntimeExtraPtr) xmlRealloc(ctxt->extras,
|
||
ctxt->extrasMax * sizeof(xsltRuntimeExtra));
|
||
if (tmp == NULL) {
|
||
xsltTransformError(ctxt, NULL, NULL,
|
||
"xsltAllocateExtraCtxt: out of memory\n");
|
||
return(0);
|
||
}
|
||
ctxt->extras = tmp;
|
||
for (i = ctxt->extrasNr;i < ctxt->extrasMax;i++) {
|
||
ctxt->extras[i].info = NULL;
|
||
ctxt->extras[i].deallocate = NULL;
|
||
ctxt->extras[i].val.ptr = NULL;
|
||
}
|
||
}
|
||
}
|
||
return(ctxt->extrasNr++);
|
||
}
|
||
|
||
/**
|
||
* xsltFreeStylesheetList:
|
||
* @style: an XSLT stylesheet list
|
||
*
|
||
* Free up the memory allocated by the list @style
|
||
*/
|
||
static void
|
||
xsltFreeStylesheetList(xsltStylesheetPtr style) {
|
||
xsltStylesheetPtr next;
|
||
|
||
while (style != NULL) {
|
||
next = style->next;
|
||
xsltFreeStylesheet(style);
|
||
style = next;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* xsltCleanupStylesheetTree:
|
||
*
|
||
* @doc: the document-node
|
||
* @node: the element where the stylesheet is rooted at
|
||
*
|
||
* Actually @node need not be the document-element, but
|
||
* currently Libxslt does not support embedded stylesheets.
|
||
*
|
||
* Returns 0 if OK, -1 on API or internal errors.
|
||
*/
|
||
static int
|
||
xsltCleanupStylesheetTree(xmlDocPtr doc ATTRIBUTE_UNUSED,
|
||
xmlNodePtr rootElem ATTRIBUTE_UNUSED)
|
||
{
|
||
#if 0 /* TODO: Currently disabled, since probably not needed. */
|
||
xmlNodePtr cur;
|
||
|
||
if ((doc == NULL) || (rootElem == NULL) ||
|
||
(rootElem->type != XML_ELEMENT_NODE) ||
|
||
(doc != rootElem->doc))
|
||
return(-1);
|
||
|
||
/*
|
||
* Cleanup was suggested by Aleksey Sanin:
|
||
* Clear the PSVI field to avoid problems if the
|
||
* node-tree of the stylesheet is intended to be used for
|
||
* further processing by the user (e.g. for compiling it
|
||
* once again - although not recommended).
|
||
*/
|
||
|
||
cur = rootElem;
|
||
while (cur != NULL) {
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
/*
|
||
* Clear the PSVI field.
|
||
*/
|
||
cur->psvi = NULL;
|
||
if (cur->children) {
|
||
cur = cur->children;
|
||
continue;
|
||
}
|
||
}
|
||
|
||
leave_node:
|
||
if (cur == rootElem)
|
||
break;
|
||
if (cur->next != NULL)
|
||
cur = cur->next;
|
||
else {
|
||
cur = cur->parent;
|
||
if (cur == NULL)
|
||
break;
|
||
goto leave_node;
|
||
}
|
||
}
|
||
#endif /* #if 0 */
|
||
return(0);
|
||
}
|
||
|
||
/**
|
||
* xsltFreeStylesheet:
|
||
* @style: an XSLT stylesheet
|
||
*
|
||
* Free up the memory allocated by @style
|
||
*/
|
||
void
|
||
xsltFreeStylesheet(xsltStylesheetPtr style)
|
||
{
|
||
if (style == NULL)
|
||
return;
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
/*
|
||
* Start with a cleanup of the main stylesheet's doc.
|
||
*/
|
||
if ((style->principal == style) && (style->doc))
|
||
xsltCleanupStylesheetTree(style->doc,
|
||
xmlDocGetRootElement(style->doc));
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
/*
|
||
* Restore changed ns-decls before freeing the document.
|
||
*/
|
||
if ((style->doc != NULL) &&
|
||
XSLT_HAS_INTERNAL_NSMAP(style))
|
||
{
|
||
xsltRestoreDocumentNamespaces(XSLT_GET_INTERNAL_NSMAP(style),
|
||
style->doc);
|
||
}
|
||
#endif /* XSLT_REFACTORED_XSLT_NSCOMP */
|
||
#else
|
||
/*
|
||
* Start with a cleanup of the main stylesheet's doc.
|
||
*/
|
||
if ((style->parent == NULL) && (style->doc))
|
||
xsltCleanupStylesheetTree(style->doc,
|
||
xmlDocGetRootElement(style->doc));
|
||
#endif /* XSLT_REFACTORED */
|
||
|
||
xsltFreeKeys(style);
|
||
xsltFreeExts(style);
|
||
xsltFreeTemplateHashes(style);
|
||
xsltFreeDecimalFormatList(style);
|
||
xsltFreeTemplateList(style->templates);
|
||
xsltFreeAttributeSetsHashes(style);
|
||
xsltFreeNamespaceAliasHashes(style);
|
||
xsltFreeStylePreComps(style);
|
||
/*
|
||
* Free documents of all included stylsheet modules of this
|
||
* stylesheet level.
|
||
*/
|
||
xsltFreeStyleDocuments(style);
|
||
/*
|
||
* TODO: Best time to shutdown extension stuff?
|
||
*/
|
||
xsltShutdownExts(style);
|
||
|
||
if (style->variables != NULL)
|
||
xsltFreeStackElemList(style->variables);
|
||
if (style->cdataSection != NULL)
|
||
xmlHashFree(style->cdataSection, NULL);
|
||
if (style->stripSpaces != NULL)
|
||
xmlHashFree(style->stripSpaces, NULL);
|
||
if (style->nsHash != NULL)
|
||
xmlHashFree(style->nsHash, NULL);
|
||
if (style->exclPrefixTab != NULL)
|
||
xmlFree(style->exclPrefixTab);
|
||
if (style->method != NULL)
|
||
xmlFree(style->method);
|
||
if (style->methodURI != NULL)
|
||
xmlFree(style->methodURI);
|
||
if (style->version != NULL)
|
||
xmlFree(style->version);
|
||
if (style->encoding != NULL)
|
||
xmlFree(style->encoding);
|
||
if (style->doctypePublic != NULL)
|
||
xmlFree(style->doctypePublic);
|
||
if (style->doctypeSystem != NULL)
|
||
xmlFree(style->doctypeSystem);
|
||
if (style->mediaType != NULL)
|
||
xmlFree(style->mediaType);
|
||
if (style->attVTs)
|
||
xsltFreeAVTList(style->attVTs);
|
||
if (style->imports != NULL)
|
||
xsltFreeStylesheetList(style->imports);
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
/*
|
||
* If this is the principal stylesheet, then
|
||
* free its internal data.
|
||
*/
|
||
if (style->principal == style) {
|
||
if (style->principalData) {
|
||
xsltFreePrincipalStylesheetData(style->principalData);
|
||
style->principalData = NULL;
|
||
}
|
||
}
|
||
#endif
|
||
/*
|
||
* Better to free the main document of this stylesheet level
|
||
* at the end - so here.
|
||
*/
|
||
if (style->doc != NULL) {
|
||
xmlFreeDoc(style->doc);
|
||
}
|
||
|
||
#ifdef WITH_XSLT_DEBUG
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"freeing dictionary from stylesheet\n");
|
||
#endif
|
||
xmlDictFree(style->dict);
|
||
|
||
if (style->xpathCtxt != NULL)
|
||
xmlXPathFreeContext(style->xpathCtxt);
|
||
|
||
memset(style, -1, sizeof(xsltStylesheet));
|
||
xmlFree(style);
|
||
}
|
||
|
||
/************************************************************************
|
||
* *
|
||
* Parsing of an XSLT Stylesheet *
|
||
* *
|
||
************************************************************************/
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
/*
|
||
* This is now performed in an optimized way in xsltParseXSLTTemplate.
|
||
*/
|
||
#else
|
||
/**
|
||
* xsltGetInheritedNsList:
|
||
* @style: the stylesheet
|
||
* @template: the template
|
||
* @node: the current node
|
||
*
|
||
* Search all the namespace applying to a given element except the ones
|
||
* from excluded output prefixes currently in scope. Initialize the
|
||
* template inheritedNs list with it.
|
||
*
|
||
* Returns the number of entries found
|
||
*/
|
||
static int
|
||
xsltGetInheritedNsList(xsltStylesheetPtr style,
|
||
xsltTemplatePtr template,
|
||
xmlNodePtr node)
|
||
{
|
||
xmlNsPtr cur;
|
||
xmlNsPtr *ret = NULL;
|
||
int nbns = 0;
|
||
int maxns = 10;
|
||
int i;
|
||
|
||
if ((style == NULL) || (template == NULL) || (node == NULL) ||
|
||
(template->inheritedNsNr != 0) || (template->inheritedNs != NULL))
|
||
return(0);
|
||
while (node != NULL) {
|
||
if (node->type == XML_ELEMENT_NODE) {
|
||
cur = node->nsDef;
|
||
while (cur != NULL) {
|
||
if (xmlStrEqual(cur->href, XSLT_NAMESPACE))
|
||
goto skip_ns;
|
||
|
||
if ((cur->prefix != NULL) &&
|
||
(xsltCheckExtPrefix(style, cur->prefix)))
|
||
goto skip_ns;
|
||
/*
|
||
* Check if this namespace was excluded.
|
||
* Note that at this point only the exclusions defined
|
||
* on the topmost stylesheet element are in the exclusion-list.
|
||
*/
|
||
for (i = 0;i < style->exclPrefixNr;i++) {
|
||
if (xmlStrEqual(cur->href, style->exclPrefixTab[i]))
|
||
goto skip_ns;
|
||
}
|
||
if (ret == NULL) {
|
||
ret =
|
||
(xmlNsPtr *) xmlMalloc((maxns + 1) *
|
||
sizeof(xmlNsPtr));
|
||
if (ret == NULL) {
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltGetInheritedNsList : out of memory!\n");
|
||
return(0);
|
||
}
|
||
ret[nbns] = NULL;
|
||
}
|
||
/*
|
||
* Skip shadowed namespace bindings.
|
||
*/
|
||
for (i = 0; i < nbns; i++) {
|
||
if ((cur->prefix == ret[i]->prefix) ||
|
||
(xmlStrEqual(cur->prefix, ret[i]->prefix)))
|
||
break;
|
||
}
|
||
if (i >= nbns) {
|
||
if (nbns >= maxns) {
|
||
maxns *= 2;
|
||
ret = (xmlNsPtr *) xmlRealloc(ret,
|
||
(maxns +
|
||
1) *
|
||
sizeof(xmlNsPtr));
|
||
if (ret == NULL) {
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltGetInheritedNsList : realloc failed!\n");
|
||
return(0);
|
||
}
|
||
}
|
||
ret[nbns++] = cur;
|
||
ret[nbns] = NULL;
|
||
}
|
||
skip_ns:
|
||
cur = cur->next;
|
||
}
|
||
}
|
||
node = node->parent;
|
||
}
|
||
if (nbns != 0) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"template has %d inherited namespaces\n", nbns);
|
||
#endif
|
||
template->inheritedNsNr = nbns;
|
||
template->inheritedNs = ret;
|
||
}
|
||
return (nbns);
|
||
}
|
||
#endif /* else of XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseStylesheetOutput:
|
||
* @style: the XSLT stylesheet
|
||
* @cur: the "output" element
|
||
*
|
||
* parse an XSLT stylesheet output element and record
|
||
* information related to the stylesheet output
|
||
*/
|
||
|
||
void
|
||
xsltParseStylesheetOutput(xsltStylesheetPtr style, xmlNodePtr cur)
|
||
{
|
||
xmlChar *elements,
|
||
*prop;
|
||
xmlChar *element,
|
||
*end;
|
||
|
||
if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *) "version", NULL);
|
||
if (prop != NULL) {
|
||
if (style->version != NULL)
|
||
xmlFree(style->version);
|
||
style->version = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *) "encoding", NULL);
|
||
if (prop != NULL) {
|
||
if (style->encoding != NULL)
|
||
xmlFree(style->encoding);
|
||
style->encoding = prop;
|
||
}
|
||
|
||
/* relaxed to support xt:document
|
||
* TODO KB: What does "relaxed to support xt:document" mean?
|
||
*/
|
||
prop = xmlGetNsProp(cur, (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;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
URI = xsltGetQNameURI(cur, &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(NULL, style, cur,
|
||
"invalid value for method: %s\n", prop);
|
||
if (style != NULL) style->warnings++;
|
||
xmlFree(prop);
|
||
}
|
||
} else {
|
||
style->method = prop;
|
||
style->methodURI = xmlStrdup(URI);
|
||
}
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *) "doctype-system", NULL);
|
||
if (prop != NULL) {
|
||
if (style->doctypeSystem != NULL)
|
||
xmlFree(style->doctypeSystem);
|
||
style->doctypeSystem = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *) "doctype-public", NULL);
|
||
if (prop != NULL) {
|
||
if (style->doctypePublic != NULL)
|
||
xmlFree(style->doctypePublic);
|
||
style->doctypePublic = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (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(NULL, style, cur,
|
||
"invalid value for standalone: %s\n", prop);
|
||
style->errors++;
|
||
}
|
||
xmlFree(prop);
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (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(NULL, style, cur,
|
||
"invalid value for indent: %s\n", prop);
|
||
style->errors++;
|
||
}
|
||
xmlFree(prop);
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (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(NULL, style, cur,
|
||
"invalid value for omit-xml-declaration: %s\n",
|
||
prop);
|
||
style->errors++;
|
||
}
|
||
xmlFree(prop);
|
||
}
|
||
|
||
elements = xmlGetNsProp(cur, (const xmlChar *) "cdata-section-elements",
|
||
NULL);
|
||
if (elements != NULL) {
|
||
if (style->cdataSection == NULL)
|
||
style->cdataSection = xmlHashCreate(10);
|
||
if (style->cdataSection == NULL)
|
||
return;
|
||
|
||
element = elements;
|
||
while (*element != 0) {
|
||
while (IS_BLANK(*element))
|
||
element++;
|
||
if (*element == 0)
|
||
break;
|
||
end = element;
|
||
while ((*end != 0) && (!IS_BLANK(*end)))
|
||
end++;
|
||
element = xmlStrndup(element, end - element);
|
||
if (element) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"add cdata section output element %s\n",
|
||
element);
|
||
#endif
|
||
if (xmlValidateQName(BAD_CAST element, 0) != 0) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"Attribute 'cdata-section-elements': The value "
|
||
"'%s' is not a valid QName.\n", element);
|
||
xmlFree(element);
|
||
style->errors++;
|
||
} else {
|
||
const xmlChar *URI;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
URI = xsltGetQNameURI(cur, &element);
|
||
if (element == NULL) {
|
||
/*
|
||
* TODO: We'll report additionally an error
|
||
* via the stylesheet's error handling.
|
||
*/
|
||
xsltTransformError(NULL, style, cur,
|
||
"Attribute 'cdata-section-elements': "
|
||
"Not a valid QName.\n");
|
||
style->errors++;
|
||
} else {
|
||
xmlNsPtr ns;
|
||
|
||
/*
|
||
* XSLT-1.0 "Each QName is expanded into an
|
||
* expanded-name using the namespace declarations in
|
||
* effect on the xsl:output element in which the QName
|
||
* occurs; if there is a default namespace, it is used
|
||
* for QNames that do not have a prefix"
|
||
* NOTE: Fix of bug #339570.
|
||
*/
|
||
if (URI == NULL) {
|
||
ns = xmlSearchNs(style->doc, cur, NULL);
|
||
if (ns != NULL)
|
||
URI = ns->href;
|
||
}
|
||
xmlHashAddEntry2(style->cdataSection, element, URI,
|
||
(void *) "cdata");
|
||
xmlFree(element);
|
||
}
|
||
}
|
||
}
|
||
element = end;
|
||
}
|
||
xmlFree(elements);
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *) "media-type", NULL);
|
||
if (prop != NULL) {
|
||
if (style->mediaType)
|
||
xmlFree(style->mediaType);
|
||
style->mediaType = prop;
|
||
}
|
||
if (cur->children != NULL) {
|
||
xsltParseContentError(style, cur->children);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* xsltParseStylesheetDecimalFormat:
|
||
* @style: the XSLT stylesheet
|
||
* @cur: the "decimal-format" element
|
||
*
|
||
* <!-- Category: top-level-element -->
|
||
* <xsl:decimal-format
|
||
* name = qname, decimal-separator = char, grouping-separator = char,
|
||
* infinity = string, minus-sign = char, NaN = string, percent = char
|
||
* per-mille = char, zero-digit = char, digit = char,
|
||
* pattern-separator = char />
|
||
*
|
||
* parse an XSLT stylesheet decimal-format element and
|
||
* and record the formatting characteristics
|
||
*/
|
||
static void
|
||
xsltParseStylesheetDecimalFormat(xsltStylesheetPtr style, xmlNodePtr cur)
|
||
{
|
||
xmlChar *prop;
|
||
xsltDecimalFormatPtr format;
|
||
xsltDecimalFormatPtr iter;
|
||
|
||
if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
format = style->decimalFormat;
|
||
|
||
prop = xmlGetNsProp(cur, BAD_CAST("name"), NULL);
|
||
if (prop != NULL) {
|
||
const xmlChar *nsUri;
|
||
|
||
if (xmlValidateQName(prop, 0) != 0) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsl:decimal-format: Invalid QName '%s'.\n", prop);
|
||
style->warnings++;
|
||
xmlFree(prop);
|
||
return;
|
||
}
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
nsUri = xsltGetQNameURI(cur, &prop);
|
||
if (prop == NULL) {
|
||
style->warnings++;
|
||
return;
|
||
}
|
||
format = xsltDecimalFormatGetByQName(style, nsUri, prop);
|
||
if (format != NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseStylestyleDecimalFormat: %s already exists\n", prop);
|
||
style->warnings++;
|
||
xmlFree(prop);
|
||
return;
|
||
}
|
||
format = xsltNewDecimalFormat(nsUri, prop);
|
||
if (format == NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseStylestyleDecimalFormat: failed creating new decimal-format\n");
|
||
style->errors++;
|
||
xmlFree(prop);
|
||
return;
|
||
}
|
||
/* Append new decimal-format structure */
|
||
for (iter = style->decimalFormat; iter->next; iter = iter->next)
|
||
;
|
||
if (iter)
|
||
iter->next = format;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"decimal-separator", NULL);
|
||
if (prop != NULL) {
|
||
if (format->decimalPoint != NULL) xmlFree(format->decimalPoint);
|
||
format->decimalPoint = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"grouping-separator", NULL);
|
||
if (prop != NULL) {
|
||
if (format->grouping != NULL) xmlFree(format->grouping);
|
||
format->grouping = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"infinity", NULL);
|
||
if (prop != NULL) {
|
||
if (format->infinity != NULL) xmlFree(format->infinity);
|
||
format->infinity = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"minus-sign", NULL);
|
||
if (prop != NULL) {
|
||
if (format->minusSign != NULL) xmlFree(format->minusSign);
|
||
format->minusSign = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"NaN", NULL);
|
||
if (prop != NULL) {
|
||
if (format->noNumber != NULL) xmlFree(format->noNumber);
|
||
format->noNumber = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"percent", NULL);
|
||
if (prop != NULL) {
|
||
if (format->percent != NULL) xmlFree(format->percent);
|
||
format->percent = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"per-mille", NULL);
|
||
if (prop != NULL) {
|
||
if (format->permille != NULL) xmlFree(format->permille);
|
||
format->permille = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"zero-digit", NULL);
|
||
if (prop != NULL) {
|
||
if (format->zeroDigit != NULL) xmlFree(format->zeroDigit);
|
||
format->zeroDigit = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"digit", NULL);
|
||
if (prop != NULL) {
|
||
if (format->digit != NULL) xmlFree(format->digit);
|
||
format->digit = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"pattern-separator", NULL);
|
||
if (prop != NULL) {
|
||
if (format->patternSeparator != NULL) xmlFree(format->patternSeparator);
|
||
format->patternSeparator = prop;
|
||
}
|
||
if (cur->children != NULL) {
|
||
xsltParseContentError(style, cur->children);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* xsltParseStylesheetPreserveSpace:
|
||
* @style: the XSLT stylesheet
|
||
* @cur: the "preserve-space" element
|
||
*
|
||
* parse an XSLT stylesheet preserve-space element and record
|
||
* elements needing preserving
|
||
*/
|
||
|
||
static void
|
||
xsltParseStylesheetPreserveSpace(xsltStylesheetPtr style, xmlNodePtr cur) {
|
||
xmlChar *elements;
|
||
xmlChar *element, *end;
|
||
|
||
if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
elements = xmlGetNsProp(cur, (const xmlChar *)"elements", NULL);
|
||
if (elements == NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseStylesheetPreserveSpace: missing elements attribute\n");
|
||
if (style != NULL) style->warnings++;
|
||
return;
|
||
}
|
||
|
||
if (style->stripSpaces == NULL)
|
||
style->stripSpaces = xmlHashCreate(10);
|
||
if (style->stripSpaces == NULL)
|
||
return;
|
||
|
||
element = elements;
|
||
while (*element != 0) {
|
||
while (IS_BLANK(*element)) element++;
|
||
if (*element == 0)
|
||
break;
|
||
end = element;
|
||
while ((*end != 0) && (!IS_BLANK(*end))) end++;
|
||
element = xmlStrndup(element, end - element);
|
||
if (element) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"add preserved space element %s\n", element);
|
||
#endif
|
||
if (xmlStrEqual(element, (const xmlChar *)"*")) {
|
||
style->stripAll = -1;
|
||
} else {
|
||
const xmlChar *URI;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
URI = xsltGetQNameURI(cur, &element);
|
||
|
||
xmlHashAddEntry2(style->stripSpaces, element, URI,
|
||
(xmlChar *) "preserve");
|
||
}
|
||
xmlFree(element);
|
||
}
|
||
element = end;
|
||
}
|
||
xmlFree(elements);
|
||
if (cur->children != NULL) {
|
||
xsltParseContentError(style, cur->children);
|
||
}
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
#else
|
||
/**
|
||
* xsltParseStylesheetExtPrefix:
|
||
* @style: the XSLT stylesheet
|
||
* @template: the "extension-element-prefixes" prefix
|
||
*
|
||
* parse an XSLT stylesheet's "extension-element-prefix" attribute value
|
||
* and register the namespaces of extension instruction.
|
||
* SPEC "A namespace is designated as an extension namespace by using
|
||
* an extension-element-prefixes attribute on:
|
||
* 1) an xsl:stylesheet element
|
||
* 2) an xsl:extension-element-prefixes attribute on a
|
||
* literal result element
|
||
* 3) an extension instruction."
|
||
*/
|
||
static void
|
||
xsltParseStylesheetExtPrefix(xsltStylesheetPtr style, xmlNodePtr cur,
|
||
int isXsltElem) {
|
||
xmlChar *prefixes;
|
||
xmlChar *prefix, *end;
|
||
|
||
if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
if (isXsltElem) {
|
||
/* For xsl:stylesheet/xsl:transform. */
|
||
prefixes = xmlGetNsProp(cur,
|
||
(const xmlChar *)"extension-element-prefixes", NULL);
|
||
} else {
|
||
/* For literal result elements and extension instructions. */
|
||
prefixes = xmlGetNsProp(cur,
|
||
(const xmlChar *)"extension-element-prefixes", XSLT_NAMESPACE);
|
||
}
|
||
if (prefixes == NULL) {
|
||
return;
|
||
}
|
||
|
||
prefix = prefixes;
|
||
while (*prefix != 0) {
|
||
while (IS_BLANK(*prefix)) prefix++;
|
||
if (*prefix == 0)
|
||
break;
|
||
end = prefix;
|
||
while ((*end != 0) && (!IS_BLANK(*end))) end++;
|
||
prefix = xmlStrndup(prefix, end - prefix);
|
||
if (prefix) {
|
||
xmlNsPtr ns;
|
||
|
||
if (xmlStrEqual(prefix, (const xmlChar *)"#default"))
|
||
ns = xmlSearchNs(style->doc, cur, NULL);
|
||
else
|
||
ns = xmlSearchNs(style->doc, cur, prefix);
|
||
if (ns == NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsl:extension-element-prefix : undefined namespace %s\n",
|
||
prefix);
|
||
if (style != NULL) style->warnings++;
|
||
} else {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"add extension prefix %s\n", prefix);
|
||
#endif
|
||
xsltRegisterExtPrefix(style, prefix, ns->href);
|
||
}
|
||
xmlFree(prefix);
|
||
}
|
||
prefix = end;
|
||
}
|
||
xmlFree(prefixes);
|
||
}
|
||
#endif /* else of XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseStylesheetStripSpace:
|
||
* @style: the XSLT stylesheet
|
||
* @cur: the "strip-space" element
|
||
*
|
||
* parse an XSLT stylesheet's strip-space element and record
|
||
* the elements needing stripping
|
||
*/
|
||
|
||
static void
|
||
xsltParseStylesheetStripSpace(xsltStylesheetPtr style, xmlNodePtr cur) {
|
||
xmlChar *elements;
|
||
xmlChar *element, *end;
|
||
|
||
if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
elements = xmlGetNsProp(cur, (const xmlChar *)"elements", NULL);
|
||
if (elements == NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseStylesheetStripSpace: missing elements attribute\n");
|
||
if (style != NULL) style->warnings++;
|
||
return;
|
||
}
|
||
|
||
if (style->stripSpaces == NULL)
|
||
style->stripSpaces = xmlHashCreate(10);
|
||
if (style->stripSpaces == NULL)
|
||
return;
|
||
|
||
element = elements;
|
||
while (*element != 0) {
|
||
while (IS_BLANK(*element)) element++;
|
||
if (*element == 0)
|
||
break;
|
||
end = element;
|
||
while ((*end != 0) && (!IS_BLANK(*end))) end++;
|
||
element = xmlStrndup(element, end - element);
|
||
if (element) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"add stripped space element %s\n", element);
|
||
#endif
|
||
if (xmlStrEqual(element, (const xmlChar *)"*")) {
|
||
style->stripAll = 1;
|
||
} else {
|
||
const xmlChar *URI;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
URI = xsltGetQNameURI(cur, &element);
|
||
|
||
xmlHashAddEntry2(style->stripSpaces, element, URI,
|
||
(xmlChar *) "strip");
|
||
}
|
||
xmlFree(element);
|
||
}
|
||
element = end;
|
||
}
|
||
xmlFree(elements);
|
||
if (cur->children != NULL) {
|
||
xsltParseContentError(style, cur->children);
|
||
}
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
#else
|
||
/**
|
||
* xsltParseStylesheetExcludePrefix:
|
||
* @style: the XSLT stylesheet
|
||
* @cur: the current point in the stylesheet
|
||
*
|
||
* parse an XSLT stylesheet exclude prefix and record
|
||
* namespaces needing stripping
|
||
*
|
||
* Returns the number of Excluded prefixes added at that level
|
||
*/
|
||
|
||
static int
|
||
xsltParseStylesheetExcludePrefix(xsltStylesheetPtr style, xmlNodePtr cur,
|
||
int isXsltElem)
|
||
{
|
||
int nb = 0;
|
||
xmlChar *prefixes;
|
||
xmlChar *prefix, *end;
|
||
|
||
if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
|
||
return(0);
|
||
|
||
if (isXsltElem)
|
||
prefixes = xmlGetNsProp(cur,
|
||
(const xmlChar *)"exclude-result-prefixes", NULL);
|
||
else
|
||
prefixes = xmlGetNsProp(cur,
|
||
(const xmlChar *)"exclude-result-prefixes", XSLT_NAMESPACE);
|
||
|
||
if (prefixes == NULL) {
|
||
return(0);
|
||
}
|
||
|
||
prefix = prefixes;
|
||
while (*prefix != 0) {
|
||
while (IS_BLANK(*prefix)) prefix++;
|
||
if (*prefix == 0)
|
||
break;
|
||
end = prefix;
|
||
while ((*end != 0) && (!IS_BLANK(*end))) end++;
|
||
prefix = xmlStrndup(prefix, end - prefix);
|
||
if (prefix) {
|
||
xmlNsPtr ns;
|
||
|
||
if (xmlStrEqual(prefix, (const xmlChar *)"#default"))
|
||
ns = xmlSearchNs(style->doc, cur, NULL);
|
||
else
|
||
ns = xmlSearchNs(style->doc, cur, prefix);
|
||
if (ns == NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsl:exclude-result-prefixes : undefined namespace %s\n",
|
||
prefix);
|
||
if (style != NULL) style->warnings++;
|
||
} else {
|
||
if (exclPrefixPush(style, (xmlChar *) ns->href) >= 0) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"exclude result prefix %s\n", prefix);
|
||
#endif
|
||
nb++;
|
||
}
|
||
}
|
||
xmlFree(prefix);
|
||
}
|
||
prefix = end;
|
||
}
|
||
xmlFree(prefixes);
|
||
return(nb);
|
||
}
|
||
#endif /* else of XSLT_REFACTORED */
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
|
||
/*
|
||
* xsltTreeEnsureXMLDecl:
|
||
* @doc: the doc
|
||
*
|
||
* BIG NOTE:
|
||
* This was copy&pasted from Libxml2's xmlTreeEnsureXMLDecl() in "tree.c".
|
||
* Ensures that there is an XML namespace declaration on the doc.
|
||
*
|
||
* Returns the XML ns-struct or NULL on API and internal errors.
|
||
*/
|
||
static xmlNsPtr
|
||
xsltTreeEnsureXMLDecl(xmlDocPtr doc)
|
||
{
|
||
if (doc == NULL)
|
||
return (NULL);
|
||
if (doc->oldNs != NULL)
|
||
return (doc->oldNs);
|
||
{
|
||
xmlNsPtr ns;
|
||
ns = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
|
||
if (ns == NULL) {
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltTreeEnsureXMLDecl: Failed to allocate "
|
||
"the XML namespace.\n");
|
||
return (NULL);
|
||
}
|
||
memset(ns, 0, sizeof(xmlNs));
|
||
ns->type = XML_LOCAL_NAMESPACE;
|
||
/*
|
||
* URGENT TODO: revisit this.
|
||
*/
|
||
#ifdef LIBXML_NAMESPACE_DICT
|
||
if (doc->dict)
|
||
ns->href = xmlDictLookup(doc->dict, XML_XML_NAMESPACE, -1);
|
||
else
|
||
ns->href = xmlStrdup(XML_XML_NAMESPACE);
|
||
#else
|
||
ns->href = xmlStrdup(XML_XML_NAMESPACE);
|
||
#endif
|
||
ns->prefix = xmlStrdup((const xmlChar *)"xml");
|
||
doc->oldNs = ns;
|
||
return (ns);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* xsltTreeAcquireStoredNs:
|
||
* @doc: the doc
|
||
* @nsName: the namespace name
|
||
* @prefix: the prefix
|
||
*
|
||
* BIG NOTE:
|
||
* This was copy&pasted from Libxml2's xmlDOMWrapStoreNs() in "tree.c".
|
||
* Creates or reuses an xmlNs struct on doc->oldNs with
|
||
* the given prefix and namespace name.
|
||
*
|
||
* Returns the aquired ns struct or NULL in case of an API
|
||
* or internal error.
|
||
*/
|
||
static xmlNsPtr
|
||
xsltTreeAcquireStoredNs(xmlDocPtr doc,
|
||
const xmlChar *nsName,
|
||
const xmlChar *prefix)
|
||
{
|
||
xmlNsPtr ns;
|
||
|
||
if (doc == NULL)
|
||
return (NULL);
|
||
if (doc->oldNs != NULL)
|
||
ns = doc->oldNs;
|
||
else
|
||
ns = xsltTreeEnsureXMLDecl(doc);
|
||
if (ns == NULL)
|
||
return (NULL);
|
||
if (ns->next != NULL) {
|
||
/* Reuse. */
|
||
ns = ns->next;
|
||
while (ns != NULL) {
|
||
if ((ns->prefix == NULL) != (prefix == NULL)) {
|
||
/* NOP */
|
||
} else if (prefix == NULL) {
|
||
if (xmlStrEqual(ns->href, nsName))
|
||
return (ns);
|
||
} else {
|
||
if ((ns->prefix[0] == prefix[0]) &&
|
||
xmlStrEqual(ns->prefix, prefix) &&
|
||
xmlStrEqual(ns->href, nsName))
|
||
return (ns);
|
||
|
||
}
|
||
if (ns->next == NULL)
|
||
break;
|
||
ns = ns->next;
|
||
}
|
||
}
|
||
/* Create. */
|
||
ns->next = xmlNewNs(NULL, nsName, prefix);
|
||
return (ns->next);
|
||
}
|
||
|
||
/**
|
||
* xsltLREBuildEffectiveNs:
|
||
*
|
||
* Apply ns-aliasing on the namespace of the given @elem and
|
||
* its attributes.
|
||
*/
|
||
static int
|
||
xsltLREBuildEffectiveNs(xsltCompilerCtxtPtr cctxt,
|
||
xmlNodePtr elem)
|
||
{
|
||
xmlNsPtr ns;
|
||
xsltNsAliasPtr alias;
|
||
|
||
if ((cctxt == NULL) || (elem == NULL))
|
||
return(-1);
|
||
if ((cctxt->nsAliases == NULL) || (! cctxt->hasNsAliases))
|
||
return(0);
|
||
|
||
alias = cctxt->nsAliases;
|
||
while (alias != NULL) {
|
||
if ( /* If both namespaces are NULL... */
|
||
( (elem->ns == NULL) &&
|
||
((alias->literalNs == NULL) ||
|
||
(alias->literalNs->href == NULL)) ) ||
|
||
/* ... or both namespace are equal */
|
||
( (elem->ns != NULL) &&
|
||
(alias->literalNs != NULL) &&
|
||
xmlStrEqual(elem->ns->href, alias->literalNs->href) ) )
|
||
{
|
||
if ((alias->targetNs != NULL) &&
|
||
(alias->targetNs->href != NULL))
|
||
{
|
||
/*
|
||
* Convert namespace.
|
||
*/
|
||
if (elem->doc == alias->docOfTargetNs) {
|
||
/*
|
||
* This is the nice case: same docs.
|
||
* This will eventually assign a ns-decl which
|
||
* is shadowed, but this has no negative effect on
|
||
* the generation of the result tree.
|
||
*/
|
||
elem->ns = alias->targetNs;
|
||
} else {
|
||
/*
|
||
* This target xmlNs originates from a different
|
||
* stylesheet tree. Try to locate it in the
|
||
* in-scope namespaces.
|
||
* OPTIMIZE TODO: Use the compiler-node-info inScopeNs.
|
||
*/
|
||
ns = xmlSearchNs(elem->doc, elem,
|
||
alias->targetNs->prefix);
|
||
/*
|
||
* If no matching ns-decl found, then assign a
|
||
* ns-decl stored in xmlDoc.
|
||
*/
|
||
if ((ns == NULL) ||
|
||
(! xmlStrEqual(ns->href, alias->targetNs->href)))
|
||
{
|
||
/*
|
||
* BIG NOTE: The use of xsltTreeAcquireStoredNs()
|
||
* is not very efficient, but currently I don't
|
||
* see an other way of *safely* changing a node's
|
||
* namespace, since the xmlNs struct in
|
||
* alias->targetNs might come from an other
|
||
* stylesheet tree. So we need to anchor it in the
|
||
* current document, without adding it to the tree,
|
||
* which would otherwise change the in-scope-ns
|
||
* semantic of the tree.
|
||
*/
|
||
ns = xsltTreeAcquireStoredNs(elem->doc,
|
||
alias->targetNs->href,
|
||
alias->targetNs->prefix);
|
||
|
||
if (ns == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"Internal error in "
|
||
"xsltLREBuildEffectiveNs(): "
|
||
"failed to acquire a stored "
|
||
"ns-declaration.\n");
|
||
cctxt->style->errors++;
|
||
return(-1);
|
||
|
||
}
|
||
}
|
||
elem->ns = ns;
|
||
}
|
||
} else {
|
||
/*
|
||
* Move into or leave in the NULL namespace.
|
||
*/
|
||
elem->ns = NULL;
|
||
}
|
||
break;
|
||
}
|
||
alias = alias->next;
|
||
}
|
||
/*
|
||
* Same with attributes of literal result elements.
|
||
*/
|
||
if (elem->properties != NULL) {
|
||
xmlAttrPtr attr = elem->properties;
|
||
|
||
while (attr != NULL) {
|
||
if (attr->ns == NULL) {
|
||
attr = attr->next;
|
||
continue;
|
||
}
|
||
alias = cctxt->nsAliases;
|
||
while (alias != NULL) {
|
||
if ( /* If both namespaces are NULL... */
|
||
( (elem->ns == NULL) &&
|
||
((alias->literalNs == NULL) ||
|
||
(alias->literalNs->href == NULL)) ) ||
|
||
/* ... or both namespace are equal */
|
||
( (elem->ns != NULL) &&
|
||
(alias->literalNs != NULL) &&
|
||
xmlStrEqual(elem->ns->href, alias->literalNs->href) ) )
|
||
{
|
||
if ((alias->targetNs != NULL) &&
|
||
(alias->targetNs->href != NULL))
|
||
{
|
||
if (elem->doc == alias->docOfTargetNs) {
|
||
elem->ns = alias->targetNs;
|
||
} else {
|
||
ns = xmlSearchNs(elem->doc, elem,
|
||
alias->targetNs->prefix);
|
||
if ((ns == NULL) ||
|
||
(! xmlStrEqual(ns->href, alias->targetNs->href)))
|
||
{
|
||
ns = xsltTreeAcquireStoredNs(elem->doc,
|
||
alias->targetNs->href,
|
||
alias->targetNs->prefix);
|
||
|
||
if (ns == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"Internal error in "
|
||
"xsltLREBuildEffectiveNs(): "
|
||
"failed to acquire a stored "
|
||
"ns-declaration.\n");
|
||
cctxt->style->errors++;
|
||
return(-1);
|
||
|
||
}
|
||
}
|
||
elem->ns = ns;
|
||
}
|
||
} else {
|
||
/*
|
||
* Move into or leave in the NULL namespace.
|
||
*/
|
||
elem->ns = NULL;
|
||
}
|
||
break;
|
||
}
|
||
alias = alias->next;
|
||
}
|
||
|
||
attr = attr->next;
|
||
}
|
||
}
|
||
return(0);
|
||
}
|
||
|
||
/**
|
||
* xsltLREBuildEffectiveNsNodes:
|
||
*
|
||
* Computes the effective namespaces nodes for a literal result
|
||
* element.
|
||
* @effectiveNs is the set of effective ns-nodes
|
||
* on the literal result element, which will be added to the result
|
||
* element if not already existing in the result tree.
|
||
* This means that excluded namespaces (via exclude-result-prefixes,
|
||
* extension-element-prefixes and the XSLT namespace) not added
|
||
* to the set.
|
||
* Namespace-aliasing was applied on the @effectiveNs.
|
||
*/
|
||
static int
|
||
xsltLREBuildEffectiveNsNodes(xsltCompilerCtxtPtr cctxt,
|
||
xsltStyleItemLRElementInfoPtr item,
|
||
xmlNodePtr elem,
|
||
int isLRE)
|
||
{
|
||
xmlNsPtr ns, tmpns;
|
||
xsltEffectiveNsPtr effNs, lastEffNs = NULL;
|
||
int i, j, holdByElem;
|
||
xsltPointerListPtr extElemNs = cctxt->inode->extElemNs;
|
||
xsltPointerListPtr exclResultNs = cctxt->inode->exclResultNs;
|
||
|
||
if ((cctxt == NULL) || (cctxt->inode == NULL) || (elem == NULL) ||
|
||
(item == NULL) || (item->effectiveNs != NULL))
|
||
return(-1);
|
||
|
||
if (item->inScopeNs == NULL)
|
||
return(0);
|
||
|
||
extElemNs = cctxt->inode->extElemNs;
|
||
exclResultNs = cctxt->inode->exclResultNs;
|
||
|
||
for (i = 0; i < item->inScopeNs->totalNumber; i++) {
|
||
ns = item->inScopeNs->list[i];
|
||
/*
|
||
* Skip namespaces designated as excluded namespaces
|
||
* -------------------------------------------------
|
||
*
|
||
* XSLT-20 TODO: In XSLT 2.0 we need to keep namespaces
|
||
* which are target namespaces of namespace-aliases
|
||
* regardless if designated as excluded.
|
||
*
|
||
* Exclude the XSLT namespace.
|
||
*/
|
||
if (xmlStrEqual(ns->href, XSLT_NAMESPACE))
|
||
goto skip_ns;
|
||
|
||
/*
|
||
* Apply namespace aliasing
|
||
* ------------------------
|
||
*
|
||
* SPEC XSLT 2.0
|
||
* "- A namespace node whose string value is a literal namespace
|
||
* URI is not copied to the result tree.
|
||
* - A namespace node whose string value is a target namespace URI
|
||
* is copied to the result tree, whether or not the URI
|
||
* identifies an excluded namespace."
|
||
*
|
||
* NOTE: The ns-aliasing machanism is non-cascading.
|
||
* (checked with Saxon, Xalan and MSXML .NET).
|
||
* URGENT TODO: is style->nsAliases the effective list of
|
||
* ns-aliases, or do we need to lookup the whole
|
||
* import-tree?
|
||
* TODO: Get rid of import-tree lookup.
|
||
*/
|
||
if (cctxt->hasNsAliases) {
|
||
xsltNsAliasPtr alias;
|
||
/*
|
||
* First check for being a target namespace.
|
||
*/
|
||
alias = cctxt->nsAliases;
|
||
do {
|
||
/*
|
||
* TODO: Is xmlns="" handled already?
|
||
*/
|
||
if ((alias->targetNs != NULL) &&
|
||
(xmlStrEqual(alias->targetNs->href, ns->href)))
|
||
{
|
||
/*
|
||
* Recognized as a target namespace; use it regardless
|
||
* if excluded otherwise.
|
||
*/
|
||
goto add_effective_ns;
|
||
}
|
||
alias = alias->next;
|
||
} while (alias != NULL);
|
||
|
||
alias = cctxt->nsAliases;
|
||
do {
|
||
/*
|
||
* TODO: Is xmlns="" handled already?
|
||
*/
|
||
if ((alias->literalNs != NULL) &&
|
||
(xmlStrEqual(alias->literalNs->href, ns->href)))
|
||
{
|
||
/*
|
||
* Recognized as an namespace alias; do not use it.
|
||
*/
|
||
goto skip_ns;
|
||
}
|
||
alias = alias->next;
|
||
} while (alias != NULL);
|
||
}
|
||
|
||
/*
|
||
* Exclude excluded result namespaces.
|
||
*/
|
||
if (exclResultNs) {
|
||
for (j = 0; j < exclResultNs->number; j++)
|
||
if (xmlStrEqual(ns->href, BAD_CAST exclResultNs->items[j]))
|
||
goto skip_ns;
|
||
}
|
||
/*
|
||
* Exclude extension-element namespaces.
|
||
*/
|
||
if (extElemNs) {
|
||
for (j = 0; j < extElemNs->number; j++)
|
||
if (xmlStrEqual(ns->href, BAD_CAST extElemNs->items[j]))
|
||
goto skip_ns;
|
||
}
|
||
|
||
add_effective_ns:
|
||
/*
|
||
* OPTIMIZE TODO: This information may not be needed.
|
||
*/
|
||
if (isLRE && (elem->nsDef != NULL)) {
|
||
holdByElem = 0;
|
||
tmpns = elem->nsDef;
|
||
do {
|
||
if (tmpns == ns) {
|
||
holdByElem = 1;
|
||
break;
|
||
}
|
||
tmpns = tmpns->next;
|
||
} while (tmpns != NULL);
|
||
} else
|
||
holdByElem = 0;
|
||
|
||
|
||
/*
|
||
* Add the effective namespace declaration.
|
||
*/
|
||
effNs = (xsltEffectiveNsPtr) xmlMalloc(sizeof(xsltEffectiveNs));
|
||
if (effNs == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"Internal error in xsltLREBuildEffectiveNs(): "
|
||
"failed to allocate memory.\n");
|
||
cctxt->style->errors++;
|
||
return(-1);
|
||
}
|
||
if (cctxt->psData->effectiveNs == NULL) {
|
||
cctxt->psData->effectiveNs = effNs;
|
||
effNs->nextInStore = NULL;
|
||
} else {
|
||
effNs->nextInStore = cctxt->psData->effectiveNs;
|
||
cctxt->psData->effectiveNs = effNs;
|
||
}
|
||
|
||
effNs->next = NULL;
|
||
effNs->prefix = ns->prefix;
|
||
effNs->nsName = ns->href;
|
||
effNs->holdByElem = holdByElem;
|
||
|
||
if (lastEffNs == NULL)
|
||
item->effectiveNs = effNs;
|
||
else
|
||
lastEffNs->next = effNs;
|
||
lastEffNs = effNs;
|
||
|
||
skip_ns:
|
||
{}
|
||
}
|
||
return(0);
|
||
}
|
||
|
||
|
||
/**
|
||
* xsltLREInfoCreate:
|
||
*
|
||
* @isLRE: indicates if the given @elem is a literal result element
|
||
*
|
||
* Creates a new info for a literal result element.
|
||
*/
|
||
static int
|
||
xsltLREInfoCreate(xsltCompilerCtxtPtr cctxt,
|
||
xmlNodePtr elem,
|
||
int isLRE)
|
||
{
|
||
xsltStyleItemLRElementInfoPtr item;
|
||
|
||
if ((cctxt == NULL) || (cctxt->inode == NULL))
|
||
return(-1);
|
||
|
||
item = (xsltStyleItemLRElementInfoPtr)
|
||
xmlMalloc(sizeof(xsltStyleItemLRElementInfo));
|
||
if (item == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, NULL,
|
||
"Internal error in xsltLREInfoCreate(): "
|
||
"memory allocation failed.\n");
|
||
cctxt->style->errors++;
|
||
return(-1);
|
||
}
|
||
memset(item, 0, sizeof(xsltStyleItemLRElementInfo));
|
||
item->type = XSLT_FUNC_LITERAL_RESULT_ELEMENT;
|
||
/*
|
||
* Store it in the stylesheet.
|
||
*/
|
||
item->next = cctxt->style->preComps;
|
||
cctxt->style->preComps = (xsltElemPreCompPtr) item;
|
||
/*
|
||
* @inScopeNs are used for execution of XPath expressions
|
||
* in AVTs.
|
||
*/
|
||
item->inScopeNs = cctxt->inode->inScopeNs;
|
||
|
||
if (elem)
|
||
xsltLREBuildEffectiveNsNodes(cctxt, item, elem, isLRE);
|
||
|
||
cctxt->inode->litResElemInfo = item;
|
||
cctxt->inode->nsChanged = 0;
|
||
cctxt->maxLREs++;
|
||
return(0);
|
||
}
|
||
|
||
/**
|
||
* xsltCompilerVarInfoPush:
|
||
* @cctxt: the compilation context
|
||
*
|
||
* Pushes a new var/param info onto the stack.
|
||
*
|
||
* Returns the acquired variable info.
|
||
*/
|
||
static xsltVarInfoPtr
|
||
xsltCompilerVarInfoPush(xsltCompilerCtxtPtr cctxt,
|
||
xmlNodePtr inst,
|
||
const xmlChar *name,
|
||
const xmlChar *nsName)
|
||
{
|
||
xsltVarInfoPtr ivar;
|
||
|
||
if ((cctxt->ivar != NULL) && (cctxt->ivar->next != NULL)) {
|
||
ivar = cctxt->ivar->next;
|
||
} else if ((cctxt->ivar == NULL) && (cctxt->ivars != NULL)) {
|
||
ivar = cctxt->ivars;
|
||
} else {
|
||
ivar = (xsltVarInfoPtr) xmlMalloc(sizeof(xsltVarInfo));
|
||
if (ivar == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, inst,
|
||
"xsltParseInScopeVarPush: xmlMalloc() failed!\n");
|
||
cctxt->style->errors++;
|
||
return(NULL);
|
||
}
|
||
/* memset(retVar, 0, sizeof(xsltInScopeVar)); */
|
||
if (cctxt->ivars == NULL) {
|
||
cctxt->ivars = ivar;
|
||
ivar->prev = NULL;
|
||
} else {
|
||
cctxt->ivar->next = ivar;
|
||
ivar->prev = cctxt->ivar;
|
||
}
|
||
cctxt->ivar = ivar;
|
||
ivar->next = NULL;
|
||
}
|
||
ivar->depth = cctxt->depth;
|
||
ivar->name = name;
|
||
ivar->nsName = nsName;
|
||
return(ivar);
|
||
}
|
||
|
||
/**
|
||
* xsltCompilerVarInfoPop:
|
||
* @cctxt: the compilation context
|
||
*
|
||
* Pops all var/param infos from the stack, which
|
||
* have the current depth.
|
||
*/
|
||
static void
|
||
xsltCompilerVarInfoPop(xsltCompilerCtxtPtr cctxt)
|
||
{
|
||
|
||
while ((cctxt->ivar != NULL) &&
|
||
(cctxt->ivar->depth > cctxt->depth))
|
||
{
|
||
cctxt->ivar = cctxt->ivar->prev;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* xsltCompilerNodePush:
|
||
*
|
||
* @cctxt: the compilation context
|
||
* @node: the node to be pushed (this can also be the doc-node)
|
||
*
|
||
*
|
||
*
|
||
* Returns the current node info structure or
|
||
* NULL in case of an internal error.
|
||
*/
|
||
static xsltCompilerNodeInfoPtr
|
||
xsltCompilerNodePush(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
|
||
{
|
||
xsltCompilerNodeInfoPtr inode, iprev;
|
||
|
||
if ((cctxt->inode != NULL) && (cctxt->inode->next != NULL)) {
|
||
inode = cctxt->inode->next;
|
||
} else if ((cctxt->inode == NULL) && (cctxt->inodeList != NULL)) {
|
||
inode = cctxt->inodeList;
|
||
} else {
|
||
/*
|
||
* Create a new node-info.
|
||
*/
|
||
inode = (xsltCompilerNodeInfoPtr)
|
||
xmlMalloc(sizeof(xsltCompilerNodeInfo));
|
||
if (inode == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, NULL,
|
||
"xsltCompilerNodePush: malloc failed.\n");
|
||
return(NULL);
|
||
}
|
||
memset(inode, 0, sizeof(xsltCompilerNodeInfo));
|
||
if (cctxt->inodeList == NULL)
|
||
cctxt->inodeList = inode;
|
||
else {
|
||
cctxt->inodeLast->next = inode;
|
||
inode->prev = cctxt->inodeLast;
|
||
}
|
||
cctxt->inodeLast = inode;
|
||
cctxt->maxNodeInfos++;
|
||
if (cctxt->inode == NULL) {
|
||
cctxt->inode = inode;
|
||
/*
|
||
* Create an initial literal result element info for
|
||
* the root of the stylesheet.
|
||
*/
|
||
xsltLREInfoCreate(cctxt, NULL, 0);
|
||
}
|
||
}
|
||
cctxt->depth++;
|
||
cctxt->inode = inode;
|
||
/*
|
||
* REVISIT TODO: Keep the reset always complete.
|
||
* NOTE: Be carefull with the @node, since it might be
|
||
* a doc-node.
|
||
*/
|
||
inode->node = node;
|
||
inode->depth = cctxt->depth;
|
||
inode->templ = NULL;
|
||
inode->category = XSLT_ELEMENT_CATEGORY_XSLT;
|
||
inode->type = 0;
|
||
inode->item = NULL;
|
||
inode->curChildType = 0;
|
||
inode->extContentHandled = 0;
|
||
inode->isRoot = 0;
|
||
|
||
if (inode->prev != NULL) {
|
||
iprev = inode->prev;
|
||
/*
|
||
* Inherit the following information:
|
||
* ---------------------------------
|
||
*
|
||
* In-scope namespaces
|
||
*/
|
||
inode->inScopeNs = iprev->inScopeNs;
|
||
/*
|
||
* Info for literal result elements
|
||
*/
|
||
inode->litResElemInfo = iprev->litResElemInfo;
|
||
inode->nsChanged = iprev->nsChanged;
|
||
/*
|
||
* Excluded result namespaces
|
||
*/
|
||
inode->exclResultNs = iprev->exclResultNs;
|
||
/*
|
||
* Extension instruction namespaces
|
||
*/
|
||
inode->extElemNs = iprev->extElemNs;
|
||
/*
|
||
* Whitespace preservation
|
||
*/
|
||
inode->preserveWhitespace = iprev->preserveWhitespace;
|
||
/*
|
||
* Forwards-compatible mode
|
||
*/
|
||
inode->forwardsCompat = iprev->forwardsCompat;
|
||
} else {
|
||
inode->inScopeNs = NULL;
|
||
inode->exclResultNs = NULL;
|
||
inode->extElemNs = NULL;
|
||
inode->preserveWhitespace = 0;
|
||
inode->forwardsCompat = 0;
|
||
}
|
||
|
||
return(inode);
|
||
}
|
||
|
||
/*
|
||
* xsltCompilerNodePop:
|
||
*
|
||
* @cctxt: the compilation context
|
||
* @node: the node to be pushed (this can also be the doc-node)
|
||
*
|
||
* Pops the current node info.
|
||
*/
|
||
static void
|
||
xsltCompilerNodePop(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
|
||
{
|
||
if (cctxt->inode == NULL) {
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltCompilerNodePop: Top-node mismatch.\n");
|
||
return;
|
||
}
|
||
/*
|
||
* NOTE: Be carefull with the @node, since it might be
|
||
* a doc-node.
|
||
*/
|
||
if (cctxt->inode->node != node) {
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltCompilerNodePop: Node mismatch.\n");
|
||
goto mismatch;
|
||
}
|
||
if (cctxt->inode->depth != cctxt->depth) {
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltCompilerNodePop: Depth mismatch.\n");
|
||
goto mismatch;
|
||
}
|
||
cctxt->depth--;
|
||
/*
|
||
* Pop information of variables.
|
||
*/
|
||
if ((cctxt->ivar) && (cctxt->ivar->depth > cctxt->depth))
|
||
xsltCompilerVarInfoPop(cctxt);
|
||
|
||
cctxt->inode = cctxt->inode->prev;
|
||
if (cctxt->inode != NULL)
|
||
cctxt->inode->curChildType = 0;
|
||
return;
|
||
|
||
mismatch:
|
||
{
|
||
const xmlChar *nsName = NULL, *name = NULL;
|
||
const xmlChar *infnsName = NULL, *infname = NULL;
|
||
|
||
if (node) {
|
||
if (node->type == XML_ELEMENT_NODE) {
|
||
name = node->name;
|
||
if (node->ns != NULL)
|
||
nsName = node->ns->href;
|
||
else
|
||
nsName = BAD_CAST "";
|
||
} else {
|
||
name = BAD_CAST "#document";
|
||
nsName = BAD_CAST "";
|
||
}
|
||
} else
|
||
name = BAD_CAST "Not given";
|
||
|
||
if (cctxt->inode->node) {
|
||
if (node->type == XML_ELEMENT_NODE) {
|
||
infname = cctxt->inode->node->name;
|
||
if (cctxt->inode->node->ns != NULL)
|
||
infnsName = cctxt->inode->node->ns->href;
|
||
else
|
||
infnsName = BAD_CAST "";
|
||
} else {
|
||
infname = BAD_CAST "#document";
|
||
infnsName = BAD_CAST "";
|
||
}
|
||
} else
|
||
infname = BAD_CAST "Not given";
|
||
|
||
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltCompilerNodePop: Given : '%s' URI '%s'\n",
|
||
name, nsName);
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltCompilerNodePop: Expected: '%s' URI '%s'\n",
|
||
infname, infnsName);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* xsltCompilerBuildInScopeNsList:
|
||
*
|
||
* Create and store the list of in-scope namespaces for the given
|
||
* node in the stylesheet. If there are no changes in the in-scope
|
||
* namespaces then the last ns-info of the ancestor axis will be returned.
|
||
* Compilation-time only.
|
||
*
|
||
* Returns the ns-info or NULL if there are no namespaces in scope.
|
||
*/
|
||
static xsltNsListContainerPtr
|
||
xsltCompilerBuildInScopeNsList(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
|
||
{
|
||
xsltNsListContainerPtr nsi = NULL;
|
||
xmlNsPtr *list = NULL, ns;
|
||
int i, maxns = 5;
|
||
/*
|
||
* Create a new ns-list for this position in the node-tree.
|
||
* xmlGetNsList() will return NULL, if there are no ns-decls in the
|
||
* tree. Note that the ns-decl for the XML namespace is not added
|
||
* to the resulting list; the XPath module handles the XML namespace
|
||
* internally.
|
||
*/
|
||
while (node != NULL) {
|
||
if (node->type == XML_ELEMENT_NODE) {
|
||
ns = node->nsDef;
|
||
while (ns != NULL) {
|
||
if (nsi == NULL) {
|
||
nsi = (xsltNsListContainerPtr)
|
||
xmlMalloc(sizeof(xsltNsListContainer));
|
||
if (nsi == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, NULL,
|
||
"xsltCompilerBuildInScopeNsList: "
|
||
"malloc failed!\n");
|
||
goto internal_err;
|
||
}
|
||
memset(nsi, 0, sizeof(xsltNsListContainer));
|
||
nsi->list =
|
||
(xmlNsPtr *) xmlMalloc(maxns * sizeof(xmlNsPtr));
|
||
if (nsi->list == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, NULL,
|
||
"xsltCompilerBuildInScopeNsList: "
|
||
"malloc failed!\n");
|
||
goto internal_err;
|
||
}
|
||
nsi->list[0] = NULL;
|
||
}
|
||
/*
|
||
* Skip shadowed namespace bindings.
|
||
*/
|
||
for (i = 0; i < nsi->totalNumber; i++) {
|
||
if ((ns->prefix == nsi->list[i]->prefix) ||
|
||
(xmlStrEqual(ns->prefix, nsi->list[i]->prefix)))
|
||
break;
|
||
}
|
||
if (i >= nsi->totalNumber) {
|
||
if (nsi->totalNumber +1 >= maxns) {
|
||
maxns *= 2;
|
||
nsi->list =
|
||
(xmlNsPtr *) xmlRealloc(nsi->list,
|
||
maxns * sizeof(xmlNsPtr));
|
||
if (nsi->list == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, NULL,
|
||
"xsltCompilerBuildInScopeNsList: "
|
||
"realloc failed!\n");
|
||
goto internal_err;
|
||
}
|
||
}
|
||
nsi->list[nsi->totalNumber++] = ns;
|
||
nsi->list[nsi->totalNumber] = NULL;
|
||
}
|
||
|
||
ns = ns->next;
|
||
}
|
||
}
|
||
node = node->parent;
|
||
}
|
||
if (nsi == NULL)
|
||
return(NULL);
|
||
/*
|
||
* Move the default namespace to last position.
|
||
*/
|
||
nsi->xpathNumber = nsi->totalNumber;
|
||
for (i = 0; i < nsi->totalNumber; i++) {
|
||
if (nsi->list[i]->prefix == NULL) {
|
||
ns = nsi->list[i];
|
||
nsi->list[i] = nsi->list[nsi->totalNumber-1];
|
||
nsi->list[nsi->totalNumber-1] = ns;
|
||
nsi->xpathNumber--;
|
||
break;
|
||
}
|
||
}
|
||
/*
|
||
* Store the ns-list in the stylesheet.
|
||
*/
|
||
if (xsltPointerListAddSize(
|
||
(xsltPointerListPtr)cctxt->psData->inScopeNamespaces,
|
||
(void *) nsi, 5) == -1)
|
||
{
|
||
xmlFree(nsi);
|
||
nsi = NULL;
|
||
xsltTransformError(NULL, cctxt->style, NULL,
|
||
"xsltCompilerBuildInScopeNsList: failed to add ns-info.\n");
|
||
goto internal_err;
|
||
}
|
||
/*
|
||
* Notify of change in status wrt namespaces.
|
||
*/
|
||
if (cctxt->inode != NULL)
|
||
cctxt->inode->nsChanged = 1;
|
||
|
||
return(nsi);
|
||
|
||
internal_err:
|
||
if (list != NULL)
|
||
xmlFree(list);
|
||
cctxt->style->errors++;
|
||
return(NULL);
|
||
}
|
||
|
||
static int
|
||
xsltParseNsPrefixList(xsltCompilerCtxtPtr cctxt,
|
||
xsltPointerListPtr list,
|
||
xmlNodePtr node,
|
||
const xmlChar *value)
|
||
{
|
||
xmlChar *cur, *end;
|
||
xmlNsPtr ns;
|
||
|
||
if ((cctxt == NULL) || (value == NULL) || (list == NULL))
|
||
return(-1);
|
||
|
||
list->number = 0;
|
||
|
||
cur = (xmlChar *) value;
|
||
while (*cur != 0) {
|
||
while (IS_BLANK(*cur)) cur++;
|
||
if (*cur == 0)
|
||
break;
|
||
end = cur;
|
||
while ((*end != 0) && (!IS_BLANK(*end))) end++;
|
||
cur = xmlStrndup(cur, end - cur);
|
||
if (cur == NULL) {
|
||
cur = end;
|
||
continue;
|
||
}
|
||
/*
|
||
* TODO: Export and use xmlSearchNsByPrefixStrict()
|
||
* in Libxml2, tree.c, since xmlSearchNs() is in most
|
||
* cases not efficient and in some cases not correct.
|
||
*
|
||
* XSLT-2 TODO: XSLT 2.0 allows an additional "#all" value.
|
||
*/
|
||
if ((cur[0] == '#') &&
|
||
xmlStrEqual(cur, (const xmlChar *)"#default"))
|
||
ns = xmlSearchNs(cctxt->style->doc, node, NULL);
|
||
else
|
||
ns = xmlSearchNs(cctxt->style->doc, node, cur);
|
||
|
||
if (ns == NULL) {
|
||
/*
|
||
* TODO: Better to report the attr-node, otherwise
|
||
* the user won't know which attribute was invalid.
|
||
*/
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"No namespace binding in scope for prefix '%s'.\n", cur);
|
||
/*
|
||
* XSLT-1.0: "It is an error if there is no namespace
|
||
* bound to the prefix on the element bearing the
|
||
* exclude-result-prefixes or xsl:exclude-result-prefixes
|
||
* attribute."
|
||
*/
|
||
cctxt->style->errors++;
|
||
} else {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"resolved prefix '%s'\n", cur);
|
||
#endif
|
||
/*
|
||
* Note that we put the namespace name into the dict.
|
||
*/
|
||
if (xsltPointerListAddSize(list,
|
||
(void *) xmlDictLookup(cctxt->style->dict,
|
||
ns->href, -1), 5) == -1)
|
||
{
|
||
xmlFree(cur);
|
||
goto internal_err;
|
||
}
|
||
}
|
||
xmlFree(cur);
|
||
|
||
cur = end;
|
||
}
|
||
return(0);
|
||
|
||
internal_err:
|
||
cctxt->style->errors++;
|
||
return(-1);
|
||
}
|
||
|
||
/**
|
||
* xsltCompilerUtilsCreateMergedList:
|
||
* @dest: the destination list (optional)
|
||
* @first: the first list
|
||
* @second: the second list (optional)
|
||
*
|
||
* Appends the content of @second to @first into @destination.
|
||
* If @destination is NULL a new list will be created.
|
||
*
|
||
* Returns the merged list of items or NULL if there's nothing to merge.
|
||
*/
|
||
static xsltPointerListPtr
|
||
xsltCompilerUtilsCreateMergedList(xsltPointerListPtr first,
|
||
xsltPointerListPtr second)
|
||
{
|
||
xsltPointerListPtr ret;
|
||
size_t num;
|
||
|
||
if (first)
|
||
num = first->number;
|
||
else
|
||
num = 0;
|
||
if (second)
|
||
num += second->number;
|
||
if (num == 0)
|
||
return(NULL);
|
||
ret = xsltPointerListCreate(num);
|
||
if (ret == NULL)
|
||
return(NULL);
|
||
/*
|
||
* Copy contents.
|
||
*/
|
||
if ((first != NULL) && (first->number != 0)) {
|
||
memcpy(ret->items, first->items,
|
||
first->number * sizeof(void *));
|
||
if ((second != NULL) && (second->number != 0))
|
||
memcpy(ret->items + first->number, second->items,
|
||
second->number * sizeof(void *));
|
||
} else if ((second != NULL) && (second->number != 0))
|
||
memcpy(ret->items, (void *) second->items,
|
||
second->number * sizeof(void *));
|
||
ret->number = num;
|
||
return(ret);
|
||
}
|
||
|
||
/*
|
||
* xsltParseExclResultPrefixes:
|
||
*
|
||
* Create and store the list of in-scope namespaces for the given
|
||
* node in the stylesheet. If there are no changes in the in-scope
|
||
* namespaces then the last ns-info of the ancestor axis will be returned.
|
||
* Compilation-time only.
|
||
*
|
||
* Returns the ns-info or NULL if there are no namespaces in scope.
|
||
*/
|
||
static xsltPointerListPtr
|
||
xsltParseExclResultPrefixes(xsltCompilerCtxtPtr cctxt, xmlNodePtr node,
|
||
xsltPointerListPtr def,
|
||
int instrCategory)
|
||
{
|
||
xsltPointerListPtr list = NULL;
|
||
xmlChar *value;
|
||
xmlAttrPtr attr;
|
||
|
||
if ((cctxt == NULL) || (node == NULL))
|
||
return(NULL);
|
||
|
||
if (instrCategory == XSLT_ELEMENT_CATEGORY_XSLT)
|
||
attr = xmlHasNsProp(node, BAD_CAST "exclude-result-prefixes", NULL);
|
||
else
|
||
attr = xmlHasNsProp(node, BAD_CAST "exclude-result-prefixes",
|
||
XSLT_NAMESPACE);
|
||
if (attr == NULL)
|
||
return(def);
|
||
|
||
if (attr && (instrCategory == XSLT_ELEMENT_CATEGORY_LRE)) {
|
||
/*
|
||
* Mark the XSLT attr.
|
||
*/
|
||
attr->psvi = (void *) xsltXSLTAttrMarker;
|
||
}
|
||
|
||
if ((attr->children != NULL) &&
|
||
(attr->children->content != NULL))
|
||
value = attr->children->content;
|
||
else {
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"Attribute 'exclude-result-prefixes': Invalid value.\n");
|
||
cctxt->style->errors++;
|
||
return(def);
|
||
}
|
||
|
||
if (xsltParseNsPrefixList(cctxt, cctxt->tmpList, node,
|
||
BAD_CAST value) != 0)
|
||
goto exit;
|
||
if (cctxt->tmpList->number == 0)
|
||
goto exit;
|
||
/*
|
||
* Merge the list with the inherited list.
|
||
*/
|
||
list = xsltCompilerUtilsCreateMergedList(def, cctxt->tmpList);
|
||
if (list == NULL)
|
||
goto exit;
|
||
/*
|
||
* Store the list in the stylesheet/compiler context.
|
||
*/
|
||
if (xsltPointerListAddSize(
|
||
cctxt->psData->exclResultNamespaces, list, 5) == -1)
|
||
{
|
||
xsltPointerListFree(list);
|
||
list = NULL;
|
||
goto exit;
|
||
}
|
||
/*
|
||
* Notify of change in status wrt namespaces.
|
||
*/
|
||
if (cctxt->inode != NULL)
|
||
cctxt->inode->nsChanged = 1;
|
||
|
||
exit:
|
||
if (list != NULL)
|
||
return(list);
|
||
else
|
||
return(def);
|
||
}
|
||
|
||
/*
|
||
* xsltParseExtElemPrefixes:
|
||
*
|
||
* Create and store the list of in-scope namespaces for the given
|
||
* node in the stylesheet. If there are no changes in the in-scope
|
||
* namespaces then the last ns-info of the ancestor axis will be returned.
|
||
* Compilation-time only.
|
||
*
|
||
* Returns the ns-info or NULL if there are no namespaces in scope.
|
||
*/
|
||
static xsltPointerListPtr
|
||
xsltParseExtElemPrefixes(xsltCompilerCtxtPtr cctxt, xmlNodePtr node,
|
||
xsltPointerListPtr def,
|
||
int instrCategory)
|
||
{
|
||
xsltPointerListPtr list = NULL;
|
||
xmlAttrPtr attr;
|
||
xmlChar *value;
|
||
int i;
|
||
|
||
if ((cctxt == NULL) || (node == NULL))
|
||
return(NULL);
|
||
|
||
if (instrCategory == XSLT_ELEMENT_CATEGORY_XSLT)
|
||
attr = xmlHasNsProp(node, BAD_CAST "extension-element-prefixes", NULL);
|
||
else
|
||
attr = xmlHasNsProp(node, BAD_CAST "extension-element-prefixes",
|
||
XSLT_NAMESPACE);
|
||
if (attr == NULL)
|
||
return(def);
|
||
|
||
if (attr && (instrCategory == XSLT_ELEMENT_CATEGORY_LRE)) {
|
||
/*
|
||
* Mark the XSLT attr.
|
||
*/
|
||
attr->psvi = (void *) xsltXSLTAttrMarker;
|
||
}
|
||
|
||
if ((attr->children != NULL) &&
|
||
(attr->children->content != NULL))
|
||
value = attr->children->content;
|
||
else {
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"Attribute 'extension-element-prefixes': Invalid value.\n");
|
||
cctxt->style->errors++;
|
||
return(def);
|
||
}
|
||
|
||
|
||
if (xsltParseNsPrefixList(cctxt, cctxt->tmpList, node,
|
||
BAD_CAST value) != 0)
|
||
goto exit;
|
||
|
||
if (cctxt->tmpList->number == 0)
|
||
goto exit;
|
||
/*
|
||
* REVISIT: Register the extension namespaces.
|
||
*/
|
||
for (i = 0; i < cctxt->tmpList->number; i++)
|
||
xsltRegisterExtPrefix(cctxt->style, NULL,
|
||
BAD_CAST cctxt->tmpList->items[i]);
|
||
/*
|
||
* Merge the list with the inherited list.
|
||
*/
|
||
list = xsltCompilerUtilsCreateMergedList(def, cctxt->tmpList);
|
||
if (list == NULL)
|
||
goto exit;
|
||
/*
|
||
* Store the list in the stylesheet.
|
||
*/
|
||
if (xsltPointerListAddSize(
|
||
cctxt->psData->extElemNamespaces, list, 5) == -1)
|
||
{
|
||
xsltPointerListFree(list);
|
||
list = NULL;
|
||
goto exit;
|
||
}
|
||
/*
|
||
* Notify of change in status wrt namespaces.
|
||
*/
|
||
if (cctxt->inode != NULL)
|
||
cctxt->inode->nsChanged = 1;
|
||
|
||
exit:
|
||
if (list != NULL)
|
||
return(list);
|
||
else
|
||
return(def);
|
||
}
|
||
|
||
/*
|
||
* xsltParseAttrXSLTVersion:
|
||
*
|
||
* @cctxt: the compilation context
|
||
* @node: the element-node
|
||
* @isXsltElem: whether this is an XSLT element
|
||
*
|
||
* Parses the attribute xsl:version.
|
||
*
|
||
* Returns 1 if there was such an attribute, 0 if not and
|
||
* -1 if an internal or API error occured.
|
||
*/
|
||
static int
|
||
xsltParseAttrXSLTVersion(xsltCompilerCtxtPtr cctxt, xmlNodePtr node,
|
||
int instrCategory)
|
||
{
|
||
xmlChar *value;
|
||
xmlAttrPtr attr;
|
||
|
||
if ((cctxt == NULL) || (node == NULL))
|
||
return(-1);
|
||
|
||
if (instrCategory == XSLT_ELEMENT_CATEGORY_XSLT)
|
||
attr = xmlHasNsProp(node, BAD_CAST "version", NULL);
|
||
else
|
||
attr = xmlHasNsProp(node, BAD_CAST "version", XSLT_NAMESPACE);
|
||
|
||
if (attr == NULL)
|
||
return(0);
|
||
|
||
attr->psvi = (void *) xsltXSLTAttrMarker;
|
||
|
||
if ((attr->children != NULL) &&
|
||
(attr->children->content != NULL))
|
||
value = attr->children->content;
|
||
else {
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"Attribute 'version': Invalid value.\n");
|
||
cctxt->style->errors++;
|
||
return(1);
|
||
}
|
||
|
||
if (! xmlStrEqual(value, (const xmlChar *)"1.0")) {
|
||
cctxt->inode->forwardsCompat = 1;
|
||
/*
|
||
* TODO: To what extent do we support the
|
||
* forwards-compatible mode?
|
||
*/
|
||
/*
|
||
* Report this only once per compilation episode.
|
||
*/
|
||
if (! cctxt->hasForwardsCompat) {
|
||
cctxt->hasForwardsCompat = 1;
|
||
cctxt->errSeverity = XSLT_ERROR_SEVERITY_WARNING;
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"Warning: the attribute xsl:version specifies a value "
|
||
"different from '1.0'. Switching to forwards-compatible "
|
||
"mode. Only features of XSLT 1.0 are supported by this "
|
||
"processor.\n");
|
||
cctxt->style->warnings++;
|
||
cctxt->errSeverity = XSLT_ERROR_SEVERITY_ERROR;
|
||
}
|
||
} else {
|
||
cctxt->inode->forwardsCompat = 0;
|
||
}
|
||
|
||
if (attr && (instrCategory == XSLT_ELEMENT_CATEGORY_LRE)) {
|
||
/*
|
||
* Set a marker on XSLT attributes.
|
||
*/
|
||
attr->psvi = (void *) xsltXSLTAttrMarker;
|
||
}
|
||
return(1);
|
||
}
|
||
|
||
static int
|
||
xsltParsePreprocessStylesheetTree(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
|
||
{
|
||
xmlNodePtr deleteNode, cur, txt, textNode = NULL;
|
||
xmlDocPtr doc;
|
||
xsltStylesheetPtr style;
|
||
int internalize = 0, findSpaceAttr;
|
||
int xsltStylesheetElemDepth;
|
||
xmlAttrPtr attr;
|
||
xmlChar *value;
|
||
const xmlChar *name, *nsNameXSLT = NULL;
|
||
int strictWhitespace, inXSLText = 0;
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
xsltNsMapPtr nsMapItem;
|
||
#endif
|
||
|
||
if ((cctxt == NULL) || (cctxt->style == NULL) ||
|
||
(node == NULL) || (node->type != XML_ELEMENT_NODE))
|
||
return(-1);
|
||
|
||
doc = node->doc;
|
||
if (doc == NULL)
|
||
goto internal_err;
|
||
|
||
style = cctxt->style;
|
||
if ((style->dict != NULL) && (doc->dict == style->dict))
|
||
internalize = 1;
|
||
else
|
||
style->internalized = 0;
|
||
|
||
/*
|
||
* Init value of xml:space. Since this might be an embedded
|
||
* stylesheet, this is needed to be performed on the element
|
||
* where the stylesheet is rooted at, taking xml:space of
|
||
* ancestors into account.
|
||
*/
|
||
if (! cctxt->simplified)
|
||
xsltStylesheetElemDepth = cctxt->depth +1;
|
||
else
|
||
xsltStylesheetElemDepth = 0;
|
||
|
||
if (xmlNodeGetSpacePreserve(node) != 1)
|
||
cctxt->inode->preserveWhitespace = 0;
|
||
else
|
||
cctxt->inode->preserveWhitespace = 1;
|
||
|
||
/*
|
||
* Eval if we should keep the old incorrect behaviour.
|
||
*/
|
||
strictWhitespace = (cctxt->strict != 0) ? 1 : 0;
|
||
|
||
nsNameXSLT = xsltConstNamespaceNameXSLT;
|
||
|
||
deleteNode = NULL;
|
||
cur = node;
|
||
while (cur != NULL) {
|
||
if (deleteNode != NULL) {
|
||
|
||
#ifdef WITH_XSLT_DEBUG_BLANKS
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParsePreprocessStylesheetTree: removing node\n");
|
||
#endif
|
||
xmlUnlinkNode(deleteNode);
|
||
xmlFreeNode(deleteNode);
|
||
deleteNode = NULL;
|
||
}
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
|
||
/*
|
||
* Clear the PSVI field.
|
||
*/
|
||
cur->psvi = NULL;
|
||
|
||
xsltCompilerNodePush(cctxt, cur);
|
||
|
||
inXSLText = 0;
|
||
textNode = NULL;
|
||
findSpaceAttr = 1;
|
||
cctxt->inode->stripWhitespace = 0;
|
||
/*
|
||
* TODO: I'd love to use a string pointer comparison here :-/
|
||
*/
|
||
if (IS_XSLT_ELEM(cur)) {
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
if (cur->ns->href != nsNameXSLT) {
|
||
nsMapItem = xsltNewNamespaceMapItem(cctxt,
|
||
doc, cur->ns, cur);
|
||
if (nsMapItem == NULL)
|
||
goto internal_err;
|
||
cur->ns->href = nsNameXSLT;
|
||
}
|
||
#endif
|
||
|
||
if (cur->name == NULL)
|
||
goto process_attributes;
|
||
/*
|
||
* Mark the XSLT element for later recognition.
|
||
* TODO: Using the marker is still too dangerous, since if
|
||
* the parsing mechanism leaves out an XSLT element, then
|
||
* this might hit the transformation-mechanism, which
|
||
* will break if it doesn't expect such a marker.
|
||
*/
|
||
/* cur->psvi = (void *) xsltXSLTElemMarker; */
|
||
|
||
/*
|
||
* XSLT 2.0: "Any whitespace text node whose parent is
|
||
* one of the following elements is removed from the "
|
||
* tree, regardless of any xml:space attributes:..."
|
||
* xsl:apply-imports,
|
||
* xsl:apply-templates,
|
||
* xsl:attribute-set,
|
||
* xsl:call-template,
|
||
* xsl:choose,
|
||
* xsl:stylesheet, xsl:transform.
|
||
* XSLT 2.0: xsl:analyze-string,
|
||
* xsl:character-map,
|
||
* xsl:next-match
|
||
*
|
||
* TODO: I'd love to use a string pointer comparison here :-/
|
||
*/
|
||
name = cur->name;
|
||
switch (*name) {
|
||
case 't':
|
||
if ((name[0] == 't') && (name[1] == 'e') &&
|
||
(name[2] == 'x') && (name[3] == 't') &&
|
||
(name[4] == 0))
|
||
{
|
||
/*
|
||
* Process the xsl:text element.
|
||
* ----------------------------
|
||
* Mark it for later recognition.
|
||
*/
|
||
cur->psvi = (void *) xsltXSLTTextMarker;
|
||
/*
|
||
* For stylesheets, the set of
|
||
* whitespace-preserving element names
|
||
* consists of just xsl:text.
|
||
*/
|
||
findSpaceAttr = 0;
|
||
cctxt->inode->preserveWhitespace = 1;
|
||
inXSLText = 1;
|
||
}
|
||
break;
|
||
case 'c':
|
||
if (xmlStrEqual(name, BAD_CAST "choose") ||
|
||
xmlStrEqual(name, BAD_CAST "call-template"))
|
||
cctxt->inode->stripWhitespace = 1;
|
||
break;
|
||
case 'a':
|
||
if (xmlStrEqual(name, BAD_CAST "apply-templates") ||
|
||
xmlStrEqual(name, BAD_CAST "apply-imports") ||
|
||
xmlStrEqual(name, BAD_CAST "attribute-set"))
|
||
|
||
cctxt->inode->stripWhitespace = 1;
|
||
break;
|
||
default:
|
||
if (xsltStylesheetElemDepth == cctxt->depth) {
|
||
/*
|
||
* This is a xsl:stylesheet/xsl:transform.
|
||
*/
|
||
cctxt->inode->stripWhitespace = 1;
|
||
break;
|
||
}
|
||
|
||
if ((cur->prev != NULL) &&
|
||
(cur->prev->type == XML_TEXT_NODE))
|
||
{
|
||
/*
|
||
* XSLT 2.0 : "Any whitespace text node whose
|
||
* following-sibling node is an xsl:param or
|
||
* xsl:sort element is removed from the tree,
|
||
* regardless of any xml:space attributes."
|
||
*/
|
||
if (((*name == 'p') || (*name == 's')) &&
|
||
(xmlStrEqual(name, BAD_CAST "param") ||
|
||
xmlStrEqual(name, BAD_CAST "sort")))
|
||
{
|
||
do {
|
||
if (IS_BLANK_NODE(cur->prev)) {
|
||
txt = cur->prev;
|
||
xmlUnlinkNode(txt);
|
||
xmlFreeNode(txt);
|
||
} else {
|
||
/*
|
||
* This will result in a content
|
||
* error, when hitting the parsing
|
||
* functions.
|
||
*/
|
||
break;
|
||
}
|
||
} while (cur->prev);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
process_attributes:
|
||
/*
|
||
* Process attributes.
|
||
* ------------------
|
||
*/
|
||
if (cur->properties != NULL) {
|
||
if (cur->children == NULL)
|
||
findSpaceAttr = 0;
|
||
attr = cur->properties;
|
||
do {
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
if ((attr->ns) && (attr->ns->href != nsNameXSLT) &&
|
||
xmlStrEqual(attr->ns->href, nsNameXSLT))
|
||
{
|
||
nsMapItem = xsltNewNamespaceMapItem(cctxt,
|
||
doc, attr->ns, cur);
|
||
if (nsMapItem == NULL)
|
||
goto internal_err;
|
||
attr->ns->href = nsNameXSLT;
|
||
}
|
||
#endif
|
||
if (internalize) {
|
||
/*
|
||
* Internalize the attribute's value; the goal is to
|
||
* speed up operations and minimize used space by
|
||
* compiled stylesheets.
|
||
*/
|
||
txt = attr->children;
|
||
/*
|
||
* NOTE that this assumes only one
|
||
* text-node in the attribute's content.
|
||
*/
|
||
if ((txt != NULL) && (txt->content != NULL) &&
|
||
(!xmlDictOwns(style->dict, txt->content)))
|
||
{
|
||
value = (xmlChar *) xmlDictLookup(style->dict,
|
||
txt->content, -1);
|
||
xmlNodeSetContent(txt, NULL);
|
||
txt->content = value;
|
||
}
|
||
}
|
||
/*
|
||
* Process xml:space attributes.
|
||
* ----------------------------
|
||
*/
|
||
if ((findSpaceAttr != 0) &&
|
||
(attr->ns != NULL) &&
|
||
(attr->name != NULL) &&
|
||
(attr->name[0] == 's') &&
|
||
(attr->ns->prefix != NULL) &&
|
||
(attr->ns->prefix[0] == 'x') &&
|
||
(attr->ns->prefix[1] == 'm') &&
|
||
(attr->ns->prefix[2] == 'l') &&
|
||
(attr->ns->prefix[3] == 0))
|
||
{
|
||
value = xmlGetNsProp(cur, BAD_CAST "space",
|
||
XML_XML_NAMESPACE);
|
||
if (value != NULL) {
|
||
if (xmlStrEqual(value, BAD_CAST "preserve")) {
|
||
cctxt->inode->preserveWhitespace = 1;
|
||
} else if (xmlStrEqual(value, BAD_CAST "default")) {
|
||
cctxt->inode->preserveWhitespace = 0;
|
||
} else {
|
||
/* Invalid value for xml:space. */
|
||
xsltTransformError(NULL, style, cur,
|
||
"Attribute xml:space: Invalid value.\n");
|
||
cctxt->style->warnings++;
|
||
}
|
||
findSpaceAttr = 0;
|
||
xmlFree(value);
|
||
}
|
||
|
||
}
|
||
attr = attr->next;
|
||
} while (attr != NULL);
|
||
}
|
||
/*
|
||
* We'll descend into the children of element nodes only.
|
||
*/
|
||
if (cur->children != NULL) {
|
||
cur = cur->children;
|
||
continue;
|
||
}
|
||
} else if ((cur->type == XML_TEXT_NODE) ||
|
||
(cur->type == XML_CDATA_SECTION_NODE))
|
||
{
|
||
/*
|
||
* Merge adjacent text/CDATA-section-nodes
|
||
* ---------------------------------------
|
||
* In order to avoid breaking of existing stylesheets,
|
||
* if the old behaviour is wanted (strictWhitespace == 0),
|
||
* then we *won't* merge adjacent text-nodes
|
||
* (except in xsl:text); this will ensure that whitespace-only
|
||
* text nodes are (incorrectly) not stripped in some cases.
|
||
*
|
||
* Example: : <foo> <!-- bar -->zoo</foo>
|
||
* Corrent (strict) result: <foo> zoo</foo>
|
||
* Incorrect (old) result : <foo>zoo</foo>
|
||
*
|
||
* NOTE that we *will* merge adjacent text-nodes if
|
||
* they are in xsl:text.
|
||
* Example, the following:
|
||
* <xsl:text> <!-- bar -->zoo<xsl:text>
|
||
* will result in both cases in:
|
||
* <xsl:text> zoo<xsl:text>
|
||
*/
|
||
cur->type = XML_TEXT_NODE;
|
||
if ((strictWhitespace != 0) || (inXSLText != 0)) {
|
||
/*
|
||
* New behaviour; merge nodes.
|
||
*/
|
||
if (textNode == NULL)
|
||
textNode = cur;
|
||
else {
|
||
if (cur->content != NULL)
|
||
xmlNodeAddContent(textNode, cur->content);
|
||
deleteNode = cur;
|
||
}
|
||
if ((cur->next == NULL) ||
|
||
(cur->next->type == XML_ELEMENT_NODE))
|
||
goto end_of_text;
|
||
else
|
||
goto next_sibling;
|
||
} else {
|
||
/*
|
||
* Old behaviour.
|
||
*/
|
||
if (textNode == NULL)
|
||
textNode = cur;
|
||
goto end_of_text;
|
||
}
|
||
} else if ((cur->type == XML_COMMENT_NODE) ||
|
||
(cur->type == XML_PI_NODE))
|
||
{
|
||
/*
|
||
* Remove processing instructions and comments.
|
||
*/
|
||
deleteNode = cur;
|
||
if ((cur->next == NULL) ||
|
||
(cur->next->type == XML_ELEMENT_NODE))
|
||
goto end_of_text;
|
||
else
|
||
goto next_sibling;
|
||
} else {
|
||
textNode = NULL;
|
||
/*
|
||
* Invalid node-type for this data-model.
|
||
*/
|
||
xsltTransformError(NULL, style, cur,
|
||
"Invalid type of node for the XSLT data model.\n");
|
||
cctxt->style->errors++;
|
||
goto next_sibling;
|
||
}
|
||
|
||
end_of_text:
|
||
if (textNode) {
|
||
value = textNode->content;
|
||
/*
|
||
* At this point all adjacent text/CDATA-section nodes
|
||
* have been merged.
|
||
*
|
||
* Strip whitespace-only text-nodes.
|
||
* (cctxt->inode->stripWhitespace)
|
||
*/
|
||
if ((value == NULL) || (*value == 0) ||
|
||
(((cctxt->inode->stripWhitespace) ||
|
||
(! cctxt->inode->preserveWhitespace)) &&
|
||
IS_BLANK(*value) &&
|
||
xsltIsBlank(value)))
|
||
{
|
||
if (textNode != cur) {
|
||
xmlUnlinkNode(textNode);
|
||
xmlFreeNode(textNode);
|
||
} else
|
||
deleteNode = textNode;
|
||
textNode = NULL;
|
||
goto next_sibling;
|
||
}
|
||
/*
|
||
* Convert CDATA-section nodes to text-nodes.
|
||
* TODO: Can this produce problems?
|
||
*/
|
||
if (textNode->type != XML_TEXT_NODE) {
|
||
textNode->type = XML_TEXT_NODE;
|
||
textNode->name = xmlStringText;
|
||
}
|
||
if (internalize &&
|
||
(textNode->content != NULL) &&
|
||
(!xmlDictOwns(style->dict, textNode->content)))
|
||
{
|
||
/*
|
||
* Internalize the string.
|
||
*/
|
||
value = (xmlChar *) xmlDictLookup(style->dict,
|
||
textNode->content, -1);
|
||
xmlNodeSetContent(textNode, NULL);
|
||
textNode->content = value;
|
||
}
|
||
textNode = NULL;
|
||
/*
|
||
* Note that "disable-output-escaping" of the xsl:text
|
||
* element will be applied at a later level, when
|
||
* XSLT elements are processed.
|
||
*/
|
||
}
|
||
|
||
next_sibling:
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
xsltCompilerNodePop(cctxt, cur);
|
||
}
|
||
if (cur == node)
|
||
break;
|
||
if (cur->next != NULL) {
|
||
cur = cur->next;
|
||
} else {
|
||
cur = cur->parent;
|
||
inXSLText = 0;
|
||
goto next_sibling;
|
||
};
|
||
}
|
||
if (deleteNode != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParsePreprocessStylesheetTree: removing node\n");
|
||
#endif
|
||
xmlUnlinkNode(deleteNode);
|
||
xmlFreeNode(deleteNode);
|
||
}
|
||
return(0);
|
||
|
||
internal_err:
|
||
return(-1);
|
||
}
|
||
|
||
#endif /* XSLT_REFACTORED */
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
#else
|
||
static void
|
||
xsltPreprocessStylesheet(xsltStylesheetPtr style, xmlNodePtr cur)
|
||
{
|
||
xmlNodePtr deleteNode, styleelem;
|
||
int internalize = 0;
|
||
|
||
if ((style == NULL) || (cur == NULL))
|
||
return;
|
||
|
||
if ((cur->doc != NULL) && (style->dict != NULL) &&
|
||
(cur->doc->dict == style->dict))
|
||
internalize = 1;
|
||
else
|
||
style->internalized = 0;
|
||
|
||
if ((cur != NULL) && (IS_XSLT_ELEM(cur)) &&
|
||
(IS_XSLT_NAME(cur, "stylesheet"))) {
|
||
styleelem = cur;
|
||
} else {
|
||
styleelem = NULL;
|
||
}
|
||
|
||
/*
|
||
* This content comes from the stylesheet
|
||
* For stylesheets, the set of whitespace-preserving
|
||
* element names consists of just xsl:text.
|
||
*/
|
||
deleteNode = NULL;
|
||
while (cur != NULL) {
|
||
if (deleteNode != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_BLANKS
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltPreprocessStylesheet: removing ignorable blank node\n");
|
||
#endif
|
||
xmlUnlinkNode(deleteNode);
|
||
xmlFreeNode(deleteNode);
|
||
deleteNode = NULL;
|
||
}
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
int exclPrefixes;
|
||
/*
|
||
* Internalize attributes values.
|
||
*/
|
||
if ((internalize) && (cur->properties != NULL)) {
|
||
xmlAttrPtr attr = cur->properties;
|
||
xmlNodePtr txt;
|
||
|
||
while (attr != NULL) {
|
||
txt = attr->children;
|
||
if ((txt != NULL) && (txt->type == XML_TEXT_NODE) &&
|
||
(txt->content != NULL) &&
|
||
(!xmlDictOwns(style->dict, txt->content)))
|
||
{
|
||
xmlChar *tmp;
|
||
|
||
/*
|
||
* internalize the text string, goal is to speed
|
||
* up operations and minimize used space by compiled
|
||
* stylesheets.
|
||
*/
|
||
tmp = (xmlChar *) xmlDictLookup(style->dict,
|
||
txt->content, -1);
|
||
if (tmp != txt->content) {
|
||
xmlNodeSetContent(txt, NULL);
|
||
txt->content = tmp;
|
||
}
|
||
}
|
||
attr = attr->next;
|
||
}
|
||
}
|
||
if (IS_XSLT_ELEM(cur)) {
|
||
exclPrefixes = 0;
|
||
if (IS_XSLT_NAME(cur, "text")) {
|
||
for (;exclPrefixes > 0;exclPrefixes--)
|
||
exclPrefixPop(style);
|
||
goto skip_children;
|
||
}
|
||
} else {
|
||
exclPrefixes = xsltParseStylesheetExcludePrefix(style, cur, 0);
|
||
}
|
||
|
||
if ((cur->nsDef != NULL) && (style->exclPrefixNr > 0)) {
|
||
xmlNsPtr ns = cur->nsDef, prev = NULL, next;
|
||
xmlNodePtr root = NULL;
|
||
int i, moved;
|
||
|
||
root = xmlDocGetRootElement(cur->doc);
|
||
if ((root != NULL) && (root != cur)) {
|
||
while (ns != NULL) {
|
||
moved = 0;
|
||
next = ns->next;
|
||
for (i = 0;i < style->exclPrefixNr;i++) {
|
||
if ((ns->prefix != NULL) &&
|
||
(xmlStrEqual(ns->href,
|
||
style->exclPrefixTab[i]))) {
|
||
/*
|
||
* Move the namespace definition on the root
|
||
* element to avoid duplicating it without
|
||
* loosing it.
|
||
*/
|
||
if (prev == NULL) {
|
||
cur->nsDef = ns->next;
|
||
} else {
|
||
prev->next = ns->next;
|
||
}
|
||
ns->next = root->nsDef;
|
||
root->nsDef = ns;
|
||
moved = 1;
|
||
break;
|
||
}
|
||
}
|
||
if (moved == 0)
|
||
prev = ns;
|
||
ns = next;
|
||
}
|
||
}
|
||
}
|
||
/*
|
||
* If we have prefixes locally, recurse and pop them up when
|
||
* going back
|
||
*/
|
||
if (exclPrefixes > 0) {
|
||
xsltPreprocessStylesheet(style, cur->children);
|
||
for (;exclPrefixes > 0;exclPrefixes--)
|
||
exclPrefixPop(style);
|
||
goto skip_children;
|
||
}
|
||
} else if (cur->type == XML_TEXT_NODE) {
|
||
if (IS_BLANK_NODE(cur)) {
|
||
if (xmlNodeGetSpacePreserve(cur->parent) != 1) {
|
||
deleteNode = cur;
|
||
}
|
||
} else if ((cur->content != NULL) && (internalize) &&
|
||
(!xmlDictOwns(style->dict, cur->content))) {
|
||
xmlChar *tmp;
|
||
|
||
/*
|
||
* internalize the text string, goal is to speed
|
||
* up operations and minimize used space by compiled
|
||
* stylesheets.
|
||
*/
|
||
tmp = (xmlChar *) xmlDictLookup(style->dict, cur->content, -1);
|
||
xmlNodeSetContent(cur, NULL);
|
||
cur->content = tmp;
|
||
}
|
||
} else if ((cur->type != XML_ELEMENT_NODE) &&
|
||
(cur->type != XML_CDATA_SECTION_NODE)) {
|
||
deleteNode = cur;
|
||
goto skip_children;
|
||
}
|
||
|
||
/*
|
||
* Skip to next node. In case of a namespaced element children of
|
||
* the stylesheet and not in the XSLT namespace and not an extension
|
||
* element, ignore its content.
|
||
*/
|
||
if ((cur->type == XML_ELEMENT_NODE) && (cur->ns != NULL) &&
|
||
(styleelem != NULL) && (cur->parent == styleelem) &&
|
||
(!xmlStrEqual(cur->ns->href, XSLT_NAMESPACE)) &&
|
||
(!xsltCheckExtURI(style, cur->ns->href))) {
|
||
goto skip_children;
|
||
} else if (cur->children != NULL) {
|
||
cur = cur->children;
|
||
continue;
|
||
}
|
||
|
||
skip_children:
|
||
if (cur->next != NULL) {
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
do {
|
||
|
||
cur = cur->parent;
|
||
if (cur == NULL)
|
||
break;
|
||
if (cur == (xmlNodePtr) style->doc) {
|
||
cur = NULL;
|
||
break;
|
||
}
|
||
if (cur->next != NULL) {
|
||
cur = cur->next;
|
||
break;
|
||
}
|
||
} while (cur != NULL);
|
||
}
|
||
if (deleteNode != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltPreprocessStylesheet: removing ignorable blank node\n");
|
||
#endif
|
||
xmlUnlinkNode(deleteNode);
|
||
xmlFreeNode(deleteNode);
|
||
}
|
||
}
|
||
#endif /* end of else XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltGatherNamespaces:
|
||
* @style: the XSLT stylesheet
|
||
*
|
||
* Browse the stylesheet and build the namspace hash table which
|
||
* will be used for XPath interpretation. If needed do a bit of normalization
|
||
*/
|
||
|
||
static void
|
||
xsltGatherNamespaces(xsltStylesheetPtr style) {
|
||
xmlNodePtr cur;
|
||
const xmlChar *URI;
|
||
|
||
if (style == NULL)
|
||
return;
|
||
/*
|
||
* TODO: basically if the stylesheet uses the same prefix for different
|
||
* patterns, well they may be in problem, hopefully they will get
|
||
* a warning first.
|
||
*/
|
||
/*
|
||
* TODO: Eliminate the use of the hash for XPath expressions.
|
||
* An expression should be evaluated in the context of the in-scope
|
||
* namespaces; eliminate the restriction of an XML document to contain
|
||
* no duplicate prefixes for different namespace names.
|
||
*
|
||
*/
|
||
cur = xmlDocGetRootElement(style->doc);
|
||
while (cur != NULL) {
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
xmlNsPtr ns = cur->nsDef;
|
||
while (ns != NULL) {
|
||
if (ns->prefix != NULL) {
|
||
if (style->nsHash == NULL) {
|
||
style->nsHash = xmlHashCreate(10);
|
||
if (style->nsHash == NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltGatherNamespaces: failed to create hash table\n");
|
||
style->errors++;
|
||
return;
|
||
}
|
||
}
|
||
URI = xmlHashLookup(style->nsHash, ns->prefix);
|
||
if ((URI != NULL) && (!xmlStrEqual(URI, ns->href))) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"Namespaces prefix %s used for multiple namespaces\n",ns->prefix);
|
||
style->warnings++;
|
||
} else if (URI == NULL) {
|
||
xmlHashUpdateEntry(style->nsHash, ns->prefix,
|
||
(void *) ns->href, NULL);
|
||
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"Added namespace: %s mapped to %s\n", ns->prefix, ns->href);
|
||
#endif
|
||
}
|
||
}
|
||
ns = ns->next;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Skip to next node
|
||
*/
|
||
if (cur->children != NULL) {
|
||
if (cur->children->type != XML_ENTITY_DECL) {
|
||
cur = cur->children;
|
||
continue;
|
||
}
|
||
}
|
||
if (cur->next != NULL) {
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
|
||
do {
|
||
cur = cur->parent;
|
||
if (cur == NULL)
|
||
break;
|
||
if (cur == (xmlNodePtr) style->doc) {
|
||
cur = NULL;
|
||
break;
|
||
}
|
||
if (cur->next != NULL) {
|
||
cur = cur->next;
|
||
break;
|
||
}
|
||
} while (cur != NULL);
|
||
}
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
|
||
static xsltStyleType
|
||
xsltGetXSLTElementTypeByNode(xsltCompilerCtxtPtr cctxt,
|
||
xmlNodePtr node)
|
||
{
|
||
if ((node == NULL) || (node->type != XML_ELEMENT_NODE) ||
|
||
(node->name == NULL))
|
||
return(0);
|
||
|
||
if (node->name[0] == 'a') {
|
||
if (IS_XSLT_NAME(node, "apply-templates"))
|
||
return(XSLT_FUNC_APPLYTEMPLATES);
|
||
else if (IS_XSLT_NAME(node, "attribute"))
|
||
return(XSLT_FUNC_ATTRIBUTE);
|
||
else if (IS_XSLT_NAME(node, "apply-imports"))
|
||
return(XSLT_FUNC_APPLYIMPORTS);
|
||
else if (IS_XSLT_NAME(node, "attribute-set"))
|
||
return(0);
|
||
|
||
} else if (node->name[0] == 'c') {
|
||
if (IS_XSLT_NAME(node, "choose"))
|
||
return(XSLT_FUNC_CHOOSE);
|
||
else if (IS_XSLT_NAME(node, "copy"))
|
||
return(XSLT_FUNC_COPY);
|
||
else if (IS_XSLT_NAME(node, "copy-of"))
|
||
return(XSLT_FUNC_COPYOF);
|
||
else if (IS_XSLT_NAME(node, "call-template"))
|
||
return(XSLT_FUNC_CALLTEMPLATE);
|
||
else if (IS_XSLT_NAME(node, "comment"))
|
||
return(XSLT_FUNC_COMMENT);
|
||
|
||
} else if (node->name[0] == 'd') {
|
||
if (IS_XSLT_NAME(node, "document"))
|
||
return(XSLT_FUNC_DOCUMENT);
|
||
else if (IS_XSLT_NAME(node, "decimal-format"))
|
||
return(0);
|
||
|
||
} else if (node->name[0] == 'e') {
|
||
if (IS_XSLT_NAME(node, "element"))
|
||
return(XSLT_FUNC_ELEMENT);
|
||
|
||
} else if (node->name[0] == 'f') {
|
||
if (IS_XSLT_NAME(node, "for-each"))
|
||
return(XSLT_FUNC_FOREACH);
|
||
else if (IS_XSLT_NAME(node, "fallback"))
|
||
return(XSLT_FUNC_FALLBACK);
|
||
|
||
} else if (*(node->name) == 'i') {
|
||
if (IS_XSLT_NAME(node, "if"))
|
||
return(XSLT_FUNC_IF);
|
||
else if (IS_XSLT_NAME(node, "include"))
|
||
return(0);
|
||
else if (IS_XSLT_NAME(node, "import"))
|
||
return(0);
|
||
|
||
} else if (*(node->name) == 'k') {
|
||
if (IS_XSLT_NAME(node, "key"))
|
||
return(0);
|
||
|
||
} else if (*(node->name) == 'm') {
|
||
if (IS_XSLT_NAME(node, "message"))
|
||
return(XSLT_FUNC_MESSAGE);
|
||
|
||
} else if (*(node->name) == 'n') {
|
||
if (IS_XSLT_NAME(node, "number"))
|
||
return(XSLT_FUNC_NUMBER);
|
||
else if (IS_XSLT_NAME(node, "namespace-alias"))
|
||
return(0);
|
||
|
||
} else if (*(node->name) == 'o') {
|
||
if (IS_XSLT_NAME(node, "otherwise"))
|
||
return(XSLT_FUNC_OTHERWISE);
|
||
else if (IS_XSLT_NAME(node, "output"))
|
||
return(0);
|
||
|
||
} else if (*(node->name) == 'p') {
|
||
if (IS_XSLT_NAME(node, "param"))
|
||
return(XSLT_FUNC_PARAM);
|
||
else if (IS_XSLT_NAME(node, "processing-instruction"))
|
||
return(XSLT_FUNC_PI);
|
||
else if (IS_XSLT_NAME(node, "preserve-space"))
|
||
return(0);
|
||
|
||
} else if (*(node->name) == 's') {
|
||
if (IS_XSLT_NAME(node, "sort"))
|
||
return(XSLT_FUNC_SORT);
|
||
else if (IS_XSLT_NAME(node, "strip-space"))
|
||
return(0);
|
||
else if (IS_XSLT_NAME(node, "stylesheet"))
|
||
return(0);
|
||
|
||
} else if (node->name[0] == 't') {
|
||
if (IS_XSLT_NAME(node, "text"))
|
||
return(XSLT_FUNC_TEXT);
|
||
else if (IS_XSLT_NAME(node, "template"))
|
||
return(0);
|
||
else if (IS_XSLT_NAME(node, "transform"))
|
||
return(0);
|
||
|
||
} else if (*(node->name) == 'v') {
|
||
if (IS_XSLT_NAME(node, "value-of"))
|
||
return(XSLT_FUNC_VALUEOF);
|
||
else if (IS_XSLT_NAME(node, "variable"))
|
||
return(XSLT_FUNC_VARIABLE);
|
||
|
||
} else if (*(node->name) == 'w') {
|
||
if (IS_XSLT_NAME(node, "when"))
|
||
return(XSLT_FUNC_WHEN);
|
||
if (IS_XSLT_NAME(node, "with-param"))
|
||
return(XSLT_FUNC_WITHPARAM);
|
||
}
|
||
return(0);
|
||
}
|
||
|
||
/**
|
||
* xsltParseAnyXSLTElem:
|
||
*
|
||
* @cctxt: the compilation context
|
||
* @elem: the element node of the XSLT instruction
|
||
*
|
||
* Parses, validates the content models and compiles XSLT instructions.
|
||
*
|
||
* Returns 0 if everything's fine;
|
||
* -1 on API or internal errors.
|
||
*/
|
||
int
|
||
xsltParseAnyXSLTElem(xsltCompilerCtxtPtr cctxt, xmlNodePtr elem)
|
||
{
|
||
if ((cctxt == NULL) || (elem == NULL) ||
|
||
(elem->type != XML_ELEMENT_NODE))
|
||
return(-1);
|
||
|
||
elem->psvi = NULL;
|
||
|
||
if (! (IS_XSLT_ELEM_FAST(elem)))
|
||
return(-1);
|
||
/*
|
||
* Detection of handled content of extension instructions.
|
||
*/
|
||
if (cctxt->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
|
||
cctxt->inode->extContentHandled = 1;
|
||
}
|
||
|
||
xsltCompilerNodePush(cctxt, elem);
|
||
/*
|
||
* URGENT TODO: Find a way to speed up this annoying redundant
|
||
* textual node-name and namespace comparison.
|
||
*/
|
||
if (cctxt->inode->prev->curChildType != 0)
|
||
cctxt->inode->type = cctxt->inode->prev->curChildType;
|
||
else
|
||
cctxt->inode->type = xsltGetXSLTElementTypeByNode(cctxt, elem);
|
||
/*
|
||
* Update the in-scope namespaces if needed.
|
||
*/
|
||
if (elem->nsDef != NULL)
|
||
cctxt->inode->inScopeNs =
|
||
xsltCompilerBuildInScopeNsList(cctxt, elem);
|
||
/*
|
||
* xsltStylePreCompute():
|
||
* This will compile the information found on the current
|
||
* element's attributes. NOTE that this won't process the
|
||
* children of the instruction.
|
||
*/
|
||
xsltStylePreCompute(cctxt->style, elem);
|
||
/*
|
||
* TODO: How to react on errors in xsltStylePreCompute() ?
|
||
*/
|
||
|
||
/*
|
||
* Validate the content model of the XSLT-element.
|
||
*/
|
||
switch (cctxt->inode->type) {
|
||
case XSLT_FUNC_APPLYIMPORTS:
|
||
/* EMPTY */
|
||
goto empty_content;
|
||
case XSLT_FUNC_APPLYTEMPLATES:
|
||
/* <!-- Content: (xsl:sort | xsl:with-param)* --> */
|
||
goto apply_templates;
|
||
case XSLT_FUNC_ATTRIBUTE:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_CALLTEMPLATE:
|
||
/* <!-- Content: xsl:with-param* --> */
|
||
goto call_template;
|
||
case XSLT_FUNC_CHOOSE:
|
||
/* <!-- Content: (xsl:when+, xsl:otherwise?) --> */
|
||
goto choose;
|
||
case XSLT_FUNC_COMMENT:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_COPY:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_COPYOF:
|
||
/* EMPTY */
|
||
goto empty_content;
|
||
case XSLT_FUNC_DOCUMENT: /* Extra one */
|
||
/* ?? template ?? */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_ELEMENT:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_FALLBACK:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_FOREACH:
|
||
/* <!-- Content: (xsl:sort*, template) --> */
|
||
goto for_each;
|
||
case XSLT_FUNC_IF:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_OTHERWISE:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_MESSAGE:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_NUMBER:
|
||
/* EMPTY */
|
||
goto empty_content;
|
||
case XSLT_FUNC_PARAM:
|
||
/*
|
||
* Check for redefinition.
|
||
*/
|
||
if ((elem->psvi != NULL) && (cctxt->ivar != NULL)) {
|
||
xsltVarInfoPtr ivar = cctxt->ivar;
|
||
|
||
do {
|
||
if ((ivar->name ==
|
||
((xsltStyleItemParamPtr) elem->psvi)->name) &&
|
||
(ivar->nsName ==
|
||
((xsltStyleItemParamPtr) elem->psvi)->ns))
|
||
{
|
||
elem->psvi = NULL;
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"Redefinition of variable or parameter '%s'.\n",
|
||
ivar->name);
|
||
cctxt->style->errors++;
|
||
goto error;
|
||
}
|
||
ivar = ivar->prev;
|
||
} while (ivar != NULL);
|
||
}
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_PI:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_SORT:
|
||
/* EMPTY */
|
||
goto empty_content;
|
||
case XSLT_FUNC_TEXT:
|
||
/* <!-- Content: #PCDATA --> */
|
||
goto text;
|
||
case XSLT_FUNC_VALUEOF:
|
||
/* EMPTY */
|
||
goto empty_content;
|
||
case XSLT_FUNC_VARIABLE:
|
||
/*
|
||
* Check for redefinition.
|
||
*/
|
||
if ((elem->psvi != NULL) && (cctxt->ivar != NULL)) {
|
||
xsltVarInfoPtr ivar = cctxt->ivar;
|
||
|
||
do {
|
||
if ((ivar->name ==
|
||
((xsltStyleItemVariablePtr) elem->psvi)->name) &&
|
||
(ivar->nsName ==
|
||
((xsltStyleItemVariablePtr) elem->psvi)->ns))
|
||
{
|
||
elem->psvi = NULL;
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"Redefinition of variable or parameter '%s'.\n",
|
||
ivar->name);
|
||
cctxt->style->errors++;
|
||
goto error;
|
||
}
|
||
ivar = ivar->prev;
|
||
} while (ivar != NULL);
|
||
}
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_WHEN:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
case XSLT_FUNC_WITHPARAM:
|
||
/* <!-- Content: template --> */
|
||
goto sequence_constructor;
|
||
default:
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseXSLTNode: Unhandled XSLT element '%s'.\n",
|
||
elem->name);
|
||
#endif
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"xsltParseXSLTNode: Internal error; "
|
||
"unhandled XSLT element '%s'.\n", elem->name);
|
||
cctxt->style->errors++;
|
||
goto internal_err;
|
||
}
|
||
|
||
apply_templates:
|
||
/* <!-- Content: (xsl:sort | xsl:with-param)* --> */
|
||
if (elem->children != NULL) {
|
||
xmlNodePtr child = elem->children;
|
||
do {
|
||
if (child->type == XML_ELEMENT_NODE) {
|
||
if (IS_XSLT_ELEM_FAST(child)) {
|
||
if (xmlStrEqual(child->name, BAD_CAST "with-param")) {
|
||
cctxt->inode->curChildType = XSLT_FUNC_WITHPARAM;
|
||
xsltParseAnyXSLTElem(cctxt, child);
|
||
} else if (xmlStrEqual(child->name, BAD_CAST "sort")) {
|
||
cctxt->inode->curChildType = XSLT_FUNC_SORT;
|
||
xsltParseAnyXSLTElem(cctxt, child);
|
||
} else
|
||
xsltParseContentError(cctxt->style, child);
|
||
} else
|
||
xsltParseContentError(cctxt->style, child);
|
||
}
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
}
|
||
goto exit;
|
||
|
||
call_template:
|
||
/* <!-- Content: xsl:with-param* --> */
|
||
if (elem->children != NULL) {
|
||
xmlNodePtr child = elem->children;
|
||
do {
|
||
if (child->type == XML_ELEMENT_NODE) {
|
||
if (IS_XSLT_ELEM_FAST(child)) {
|
||
xsltStyleType type;
|
||
|
||
type = xsltGetXSLTElementTypeByNode(cctxt, child);
|
||
if (type == XSLT_FUNC_WITHPARAM) {
|
||
cctxt->inode->curChildType = XSLT_FUNC_WITHPARAM;
|
||
xsltParseAnyXSLTElem(cctxt, child);
|
||
} else {
|
||
xsltParseContentError(cctxt->style, child);
|
||
}
|
||
} else
|
||
xsltParseContentError(cctxt->style, child);
|
||
}
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
}
|
||
goto exit;
|
||
|
||
text:
|
||
if (elem->children != NULL) {
|
||
xmlNodePtr child = elem->children;
|
||
do {
|
||
if ((child->type != XML_TEXT_NODE) &&
|
||
(child->type != XML_CDATA_SECTION_NODE))
|
||
{
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"The XSLT 'text' element must have only character "
|
||
"data as content.\n");
|
||
}
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
}
|
||
goto exit;
|
||
|
||
empty_content:
|
||
if (elem->children != NULL) {
|
||
xmlNodePtr child = elem->children;
|
||
/*
|
||
* Relaxed behaviour: we will allow whitespace-only text-nodes.
|
||
*/
|
||
do {
|
||
if (((child->type != XML_TEXT_NODE) &&
|
||
(child->type != XML_CDATA_SECTION_NODE)) ||
|
||
(! IS_BLANK_NODE(child)))
|
||
{
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"This XSLT element must have no content.\n");
|
||
cctxt->style->errors++;
|
||
break;
|
||
}
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
}
|
||
goto exit;
|
||
|
||
choose:
|
||
/* <!-- Content: (xsl:when+, xsl:otherwise?) --> */
|
||
/*
|
||
* TODO: text-nodes in between are *not* allowed in XSLT 1.0.
|
||
* The old behaviour did not check this.
|
||
* NOTE: In XSLT 2.0 they are stripped beforehand
|
||
* if whitespace-only (regardless of xml:space).
|
||
*/
|
||
if (elem->children != NULL) {
|
||
xmlNodePtr child = elem->children;
|
||
int nbWhen = 0, nbOtherwise = 0, err = 0;
|
||
do {
|
||
if (child->type == XML_ELEMENT_NODE) {
|
||
if (IS_XSLT_ELEM_FAST(child)) {
|
||
xsltStyleType type;
|
||
|
||
type = xsltGetXSLTElementTypeByNode(cctxt, child);
|
||
if (type == XSLT_FUNC_WHEN) {
|
||
nbWhen++;
|
||
if (nbOtherwise) {
|
||
xsltParseContentError(cctxt->style, child);
|
||
err = 1;
|
||
break;
|
||
}
|
||
cctxt->inode->curChildType = XSLT_FUNC_WHEN;
|
||
xsltParseAnyXSLTElem(cctxt, child);
|
||
} else if (type == XSLT_FUNC_OTHERWISE) {
|
||
if (! nbWhen) {
|
||
xsltParseContentError(cctxt->style, child);
|
||
err = 1;
|
||
break;
|
||
}
|
||
if (nbOtherwise) {
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"The XSLT 'choose' element must not contain "
|
||
"more than one XSLT 'otherwise' element.\n");
|
||
cctxt->style->errors++;
|
||
err = 1;
|
||
break;
|
||
}
|
||
nbOtherwise++;
|
||
cctxt->inode->curChildType = XSLT_FUNC_OTHERWISE;
|
||
xsltParseAnyXSLTElem(cctxt, child);
|
||
} else
|
||
xsltParseContentError(cctxt->style, child);
|
||
} else
|
||
xsltParseContentError(cctxt->style, child);
|
||
}
|
||
/*
|
||
else
|
||
xsltParseContentError(cctxt, child);
|
||
*/
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
if ((! err) && (! nbWhen)) {
|
||
xsltTransformError(NULL, cctxt->style, elem,
|
||
"The XSLT element 'choose' must contain at least one "
|
||
"XSLT element 'when'.\n");
|
||
cctxt->style->errors++;
|
||
}
|
||
}
|
||
goto exit;
|
||
|
||
for_each:
|
||
/* <!-- Content: (xsl:sort*, template) --> */
|
||
/*
|
||
* NOTE: Text-nodes before xsl:sort are *not* allowed in XSLT 1.0.
|
||
* The old behaviour did not allow this, but it catched this
|
||
* only at transformation-time.
|
||
* In XSLT 2.0 they are stripped beforehand if whitespace-only
|
||
* (regardless of xml:space).
|
||
*/
|
||
if (elem->children != NULL) {
|
||
xmlNodePtr child = elem->children;
|
||
/*
|
||
* Parse xsl:sort first.
|
||
*/
|
||
do {
|
||
if ((child->type == XML_ELEMENT_NODE) &&
|
||
IS_XSLT_ELEM_FAST(child))
|
||
{
|
||
if (xsltGetXSLTElementTypeByNode(cctxt, child) ==
|
||
XSLT_FUNC_SORT)
|
||
{
|
||
cctxt->inode->curChildType = XSLT_FUNC_SORT;
|
||
xsltParseAnyXSLTElem(cctxt, child);
|
||
} else
|
||
break;
|
||
} else
|
||
break;
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
/*
|
||
* Parse the sequece constructor.
|
||
*/
|
||
if (child != NULL)
|
||
xsltParseSequenceConstructor(cctxt, child);
|
||
}
|
||
goto exit;
|
||
|
||
sequence_constructor:
|
||
/*
|
||
* Parse the sequence constructor.
|
||
*/
|
||
if (elem->children != NULL)
|
||
xsltParseSequenceConstructor(cctxt, elem->children);
|
||
|
||
/*
|
||
* Register information for vars/params. Only needed if there
|
||
* are any following siblings.
|
||
*/
|
||
if ((elem->next != NULL) &&
|
||
((cctxt->inode->type == XSLT_FUNC_VARIABLE) ||
|
||
(cctxt->inode->type == XSLT_FUNC_PARAM)))
|
||
{
|
||
if ((elem->psvi != NULL) &&
|
||
(((xsltStyleBasicItemVariablePtr) elem->psvi)->name))
|
||
{
|
||
xsltCompilerVarInfoPush(cctxt, elem,
|
||
((xsltStyleBasicItemVariablePtr) elem->psvi)->name,
|
||
((xsltStyleBasicItemVariablePtr) elem->psvi)->ns);
|
||
}
|
||
}
|
||
|
||
error:
|
||
exit:
|
||
xsltCompilerNodePop(cctxt, elem);
|
||
return(0);
|
||
|
||
internal_err:
|
||
xsltCompilerNodePop(cctxt, elem);
|
||
return(-1);
|
||
}
|
||
|
||
/**
|
||
* xsltForwardsCompatUnkownItemCreate:
|
||
*
|
||
* @cctxt: the compilation context
|
||
*
|
||
* Creates a compiled representation of the unknown
|
||
* XSLT instruction.
|
||
*
|
||
* Returns the compiled representation.
|
||
*/
|
||
static xsltStyleItemUknownPtr
|
||
xsltForwardsCompatUnkownItemCreate(xsltCompilerCtxtPtr cctxt)
|
||
{
|
||
xsltStyleItemUknownPtr item;
|
||
|
||
item = (xsltStyleItemUknownPtr) xmlMalloc(sizeof(xsltStyleItemUknown));
|
||
if (item == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, NULL,
|
||
"Internal error in xsltForwardsCompatUnkownItemCreate(): "
|
||
"Failed to allocate memory.\n");
|
||
cctxt->style->errors++;
|
||
return(NULL);
|
||
}
|
||
memset(item, 0, sizeof(xsltStyleItemUknown));
|
||
item->type = XSLT_FUNC_UNKOWN_FORWARDS_COMPAT;
|
||
/*
|
||
* Store it in the stylesheet.
|
||
*/
|
||
item->next = cctxt->style->preComps;
|
||
cctxt->style->preComps = (xsltElemPreCompPtr) item;
|
||
return(item);
|
||
}
|
||
|
||
/**
|
||
* xsltParseUnknownXSLTElem:
|
||
*
|
||
* @cctxt: the compilation context
|
||
* @node: the element of the unknown XSLT instruction
|
||
*
|
||
* Parses an unknown XSLT element.
|
||
* If forwards compatible mode is enabled this will allow
|
||
* such an unknown XSLT and; otherwise it is rejected.
|
||
*
|
||
* Returns 1 in the unknown XSLT instruction is rejected,
|
||
* 0 if everything's fine and
|
||
* -1 on API or internal errors.
|
||
*/
|
||
static int
|
||
xsltParseUnknownXSLTElem(xsltCompilerCtxtPtr cctxt,
|
||
xmlNodePtr node)
|
||
{
|
||
if ((cctxt == NULL) || (node == NULL) || (node->type != XML_ELEMENT_NODE))
|
||
return(-1);
|
||
|
||
/*
|
||
* Detection of handled content of extension instructions.
|
||
*/
|
||
if (cctxt->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
|
||
cctxt->inode->extContentHandled = 1;
|
||
}
|
||
if (cctxt->inode->forwardsCompat == 0) {
|
||
/*
|
||
* We are not in forwards-compatible mode, so raise an error.
|
||
*/
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"Unknown XSLT element '%s'.\n", node->name);
|
||
cctxt->style->errors++;
|
||
return(1);
|
||
}
|
||
/*
|
||
* Forwards-compatible mode.
|
||
* ------------------------
|
||
*
|
||
* Parse/compile xsl:fallback elements.
|
||
*
|
||
* QUESTION: Do we have to raise an error if there's no xsl:fallback?
|
||
* ANSWER: No, since in the stylesheet the fallback behaviour might
|
||
* also be provided by using the XSLT function "element-available".
|
||
*/
|
||
if (cctxt->unknownItem == NULL) {
|
||
/*
|
||
* Create a singleton for all unknown XSLT instructions.
|
||
*/
|
||
cctxt->unknownItem = xsltForwardsCompatUnkownItemCreate(cctxt);
|
||
if (cctxt->unknownItem == NULL) {
|
||
node->psvi = NULL;
|
||
return(-1);
|
||
}
|
||
}
|
||
node->psvi = cctxt->unknownItem;
|
||
if (node->children == NULL)
|
||
return(0);
|
||
else {
|
||
xmlNodePtr child = node->children;
|
||
|
||
xsltCompilerNodePush(cctxt, node);
|
||
/*
|
||
* Update the in-scope namespaces if needed.
|
||
*/
|
||
if (node->nsDef != NULL)
|
||
cctxt->inode->inScopeNs =
|
||
xsltCompilerBuildInScopeNsList(cctxt, node);
|
||
/*
|
||
* Parse all xsl:fallback children.
|
||
*/
|
||
do {
|
||
if ((child->type == XML_ELEMENT_NODE) &&
|
||
IS_XSLT_ELEM_FAST(child) &&
|
||
IS_XSLT_NAME(child, "fallback"))
|
||
{
|
||
cctxt->inode->curChildType = XSLT_FUNC_FALLBACK;
|
||
xsltParseAnyXSLTElem(cctxt, child);
|
||
}
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
|
||
xsltCompilerNodePop(cctxt, node);
|
||
}
|
||
return(0);
|
||
}
|
||
|
||
/**
|
||
* xsltParseSequenceConstructor:
|
||
*
|
||
* @cctxt: the compilation context
|
||
* @cur: the start-node of the content to be parsed
|
||
*
|
||
* Parses a "template" content (or "sequence constructor" in XSLT 2.0 terms).
|
||
* This will additionally remove xsl:text elements from the tree.
|
||
*/
|
||
void
|
||
xsltParseSequenceConstructor(xsltCompilerCtxtPtr cctxt, xmlNodePtr cur)
|
||
{
|
||
xsltStyleType type;
|
||
xmlNodePtr deleteNode = NULL;
|
||
|
||
if (cctxt == NULL) {
|
||
xmlGenericError(xmlGenericErrorContext,
|
||
"xsltParseSequenceConstructor: Bad arguments\n");
|
||
cctxt->style->errors++;
|
||
return;
|
||
}
|
||
/*
|
||
* Detection of handled content of extension instructions.
|
||
*/
|
||
if (cctxt->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
|
||
cctxt->inode->extContentHandled = 1;
|
||
}
|
||
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL))
|
||
return;
|
||
/*
|
||
* This is the content reffered to as a "template".
|
||
* E.g. an xsl:element has such content model:
|
||
* <xsl:element
|
||
* name = { qname }
|
||
* namespace = { uri-reference }
|
||
* use-attribute-sets = qnames>
|
||
* <!-- Content: template -->
|
||
*
|
||
* NOTE that in XSLT-2 the term "template" was abandoned due to
|
||
* confusion with xsl:template and the term "sequence constructor"
|
||
* was introduced instead.
|
||
*
|
||
* The following XSLT-instructions are allowed to appear:
|
||
* xsl:apply-templates, xsl:call-template, xsl:apply-imports,
|
||
* xsl:for-each, xsl:value-of, xsl:copy-of, xsl:number,
|
||
* xsl:choose, xsl:if, xsl:text, xsl:copy, xsl:variable,
|
||
* xsl:message, xsl:fallback,
|
||
* xsl:processing-instruction, xsl:comment, xsl:element
|
||
* xsl:attribute.
|
||
* Additional allowed content:
|
||
* 1) extension instructions
|
||
* 2) literal result elements
|
||
* 3) PCDATA
|
||
*
|
||
* NOTE that this content model does *not* allow xsl:param.
|
||
*/
|
||
while (cur != NULL) {
|
||
if (deleteNode != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_BLANKS
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseSequenceConstructor: removing xsl:text element\n");
|
||
#endif
|
||
xmlUnlinkNode(deleteNode);
|
||
xmlFreeNode(deleteNode);
|
||
deleteNode = NULL;
|
||
}
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
|
||
if (cur->psvi == xsltXSLTTextMarker) {
|
||
/*
|
||
* xsl:text elements
|
||
* --------------------------------------------------------
|
||
*/
|
||
xmlNodePtr tmp;
|
||
|
||
cur->psvi = NULL;
|
||
/*
|
||
* Mark the xsl:text element for later deletion.
|
||
*/
|
||
deleteNode = cur;
|
||
/*
|
||
* Validate content.
|
||
*/
|
||
tmp = cur->children;
|
||
if (tmp) {
|
||
/*
|
||
* We don't expect more than one text-node in the
|
||
* content, since we already merged adjacent
|
||
* text/CDATA-nodes and eliminated PI/comment-nodes.
|
||
*/
|
||
if ((tmp->type == XML_TEXT_NODE) ||
|
||
(tmp->next == NULL))
|
||
{
|
||
/*
|
||
* Leave the contained text-node in the tree.
|
||
*/
|
||
xmlUnlinkNode(tmp);
|
||
xmlAddPrevSibling(cur, tmp);
|
||
} else {
|
||
tmp = NULL;
|
||
xsltTransformError(NULL, cctxt->style, cur,
|
||
"Element 'xsl:text': Invalid type "
|
||
"of node found in content.\n");
|
||
cctxt->style->errors++;
|
||
}
|
||
}
|
||
if (cur->properties) {
|
||
xmlAttrPtr attr;
|
||
/*
|
||
* TODO: We need to report errors for
|
||
* invalid attrs.
|
||
*/
|
||
attr = cur->properties;
|
||
do {
|
||
if ((attr->ns == NULL) &&
|
||
(attr->name != NULL) &&
|
||
(attr->name[0] == 'd') &&
|
||
xmlStrEqual(attr->name,
|
||
BAD_CAST "disable-output-escaping"))
|
||
{
|
||
/*
|
||
* Attr "disable-output-escaping".
|
||
* XSLT-2: This attribute is deprecated.
|
||
*/
|
||
if ((attr->children != NULL) &&
|
||
xmlStrEqual(attr->children->content,
|
||
BAD_CAST "yes"))
|
||
{
|
||
/*
|
||
* Disable output escaping for this
|
||
* text node.
|
||
*/
|
||
if (tmp)
|
||
tmp->name = xmlStringTextNoenc;
|
||
} else if ((attr->children == NULL) ||
|
||
(attr->children->content == NULL) ||
|
||
(!xmlStrEqual(attr->children->content,
|
||
BAD_CAST "no")))
|
||
{
|
||
xsltTransformError(NULL, cctxt->style,
|
||
cur,
|
||
"Attribute 'disable-output-escaping': "
|
||
"Invalid value. Expected is "
|
||
"'yes' or 'no'.\n");
|
||
cctxt->style->errors++;
|
||
}
|
||
break;
|
||
}
|
||
attr = attr->next;
|
||
} while (attr != NULL);
|
||
}
|
||
} else if (IS_XSLT_ELEM_FAST(cur)) {
|
||
/*
|
||
* TODO: Using the XSLT-marker is still not stable yet.
|
||
*/
|
||
/* if (cur->psvi == xsltXSLTElemMarker) { */
|
||
/*
|
||
* XSLT instructions
|
||
* --------------------------------------------------------
|
||
*/
|
||
cur->psvi = NULL;
|
||
type = xsltGetXSLTElementTypeByNode(cctxt, cur);
|
||
switch (type) {
|
||
case XSLT_FUNC_APPLYIMPORTS:
|
||
case XSLT_FUNC_APPLYTEMPLATES:
|
||
case XSLT_FUNC_ATTRIBUTE:
|
||
case XSLT_FUNC_CALLTEMPLATE:
|
||
case XSLT_FUNC_CHOOSE:
|
||
case XSLT_FUNC_COMMENT:
|
||
case XSLT_FUNC_COPY:
|
||
case XSLT_FUNC_COPYOF:
|
||
case XSLT_FUNC_DOCUMENT: /* Extra one */
|
||
case XSLT_FUNC_ELEMENT:
|
||
case XSLT_FUNC_FALLBACK:
|
||
case XSLT_FUNC_FOREACH:
|
||
case XSLT_FUNC_IF:
|
||
case XSLT_FUNC_MESSAGE:
|
||
case XSLT_FUNC_NUMBER:
|
||
case XSLT_FUNC_PI:
|
||
case XSLT_FUNC_TEXT:
|
||
case XSLT_FUNC_VALUEOF:
|
||
case XSLT_FUNC_VARIABLE:
|
||
/*
|
||
* Parse the XSLT element.
|
||
*/
|
||
cctxt->inode->curChildType = type;
|
||
xsltParseAnyXSLTElem(cctxt, cur);
|
||
break;
|
||
default:
|
||
xsltParseUnknownXSLTElem(cctxt, cur);
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
} else {
|
||
/*
|
||
* Non-XSLT elements
|
||
* -----------------
|
||
*/
|
||
xsltCompilerNodePush(cctxt, cur);
|
||
/*
|
||
* Update the in-scope namespaces if needed.
|
||
*/
|
||
if (cur->nsDef != NULL)
|
||
cctxt->inode->inScopeNs =
|
||
xsltCompilerBuildInScopeNsList(cctxt, cur);
|
||
/*
|
||
* The current element is either a literal result element
|
||
* or an extension instruction.
|
||
*
|
||
* Process attr "xsl:extension-element-prefixes".
|
||
* FUTURE TODO: IIRC in XSLT 2.0 this attribute must be
|
||
* processed by the implementor of the extension function;
|
||
* i.e., it won't be handled by the XSLT processor.
|
||
*/
|
||
/* SPEC 1.0:
|
||
* "exclude-result-prefixes" is only allowed on literal
|
||
* result elements and "xsl:exclude-result-prefixes"
|
||
* on xsl:stylesheet/xsl:transform.
|
||
* SPEC 2.0:
|
||
* "There are a number of standard attributes
|
||
* that may appear on any XSLT element: specifically
|
||
* version, exclude-result-prefixes,
|
||
* extension-element-prefixes, xpath-default-namespace,
|
||
* default-collation, and use-when."
|
||
*
|
||
* SPEC 2.0:
|
||
* For literal result elements:
|
||
* "xsl:version, xsl:exclude-result-prefixes,
|
||
* xsl:extension-element-prefixes,
|
||
* xsl:xpath-default-namespace,
|
||
* xsl:default-collation, or xsl:use-when."
|
||
*/
|
||
if (cur->properties)
|
||
cctxt->inode->extElemNs =
|
||
xsltParseExtElemPrefixes(cctxt,
|
||
cur, cctxt->inode->extElemNs,
|
||
XSLT_ELEMENT_CATEGORY_LRE);
|
||
/*
|
||
* Eval if we have an extension instruction here.
|
||
*/
|
||
if ((cur->ns != NULL) &&
|
||
(cctxt->inode->extElemNs != NULL) &&
|
||
(xsltCheckExtPrefix(cctxt->style, cur->ns->href) == 1))
|
||
{
|
||
/*
|
||
* Extension instructions
|
||
* ----------------------------------------------------
|
||
* Mark the node information.
|
||
*/
|
||
cctxt->inode->category = XSLT_ELEMENT_CATEGORY_EXTENSION;
|
||
cctxt->inode->extContentHandled = 0;
|
||
if (cur->psvi != NULL) {
|
||
cur->psvi = NULL;
|
||
/*
|
||
* TODO: Temporary sanity check.
|
||
*/
|
||
xsltTransformError(NULL, cctxt->style, cur,
|
||
"Internal error in xsltParseSequenceConstructor(): "
|
||
"Occupied PSVI field.\n");
|
||
cctxt->style->errors++;
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
cur->psvi = (void *)
|
||
xsltPreComputeExtModuleElement(cctxt->style, cur);
|
||
|
||
if (cur->psvi == NULL) {
|
||
/*
|
||
* OLD COMMENT: "Unknown element, maybe registered
|
||
* at the context level. Mark it for later
|
||
* recognition."
|
||
* QUESTION: What does the xsltExtMarker mean?
|
||
* ANSWER: It is used in
|
||
* xsltApplySequenceConstructor() at
|
||
* transformation-time to look out for extension
|
||
* registered in the transformation context.
|
||
*/
|
||
cur->psvi = (void *) xsltExtMarker;
|
||
}
|
||
/*
|
||
* BIG NOTE: Now the ugly part. In previous versions
|
||
* of Libxslt (until 1.1.16), all the content of an
|
||
* extension instruction was processed and compiled without
|
||
* the need of the extension-author to explicitely call
|
||
* such a processing;.We now need to mimic this old
|
||
* behaviour in order to avoid breaking old code
|
||
* on the extension-author's side.
|
||
* The mechanism:
|
||
* 1) If the author does *not* set the
|
||
* compile-time-flag @extContentHandled, then we'll
|
||
* parse the content assuming that it's a "template"
|
||
* (or "sequence constructor in XSLT 2.0 terms).
|
||
* NOTE: If the extension is registered at
|
||
* transformation-time only, then there's no way of
|
||
* knowing that content shall be valid, and we'll
|
||
* process the content the same way.
|
||
* 2) If the author *does* set the flag, then we'll assume
|
||
* that the author has handled the parsing him/herself
|
||
* (e.g. called xsltParseSequenceConstructor(), etc.
|
||
* explicitely in his/her code).
|
||
*/
|
||
if ((cur->children != NULL) &&
|
||
(cctxt->inode->extContentHandled == 0))
|
||
{
|
||
/*
|
||
* Default parsing of the content using the
|
||
* sequence-constructor model.
|
||
*/
|
||
xsltParseSequenceConstructor(cctxt, cur->children);
|
||
}
|
||
} else {
|
||
/*
|
||
* Literal result element
|
||
* ----------------------------------------------------
|
||
* Allowed XSLT attributes:
|
||
* xsl:extension-element-prefixes CDATA #IMPLIED
|
||
* xsl:exclude-result-prefixes CDATA #IMPLIED
|
||
* TODO: xsl:use-attribute-sets %qnames; #IMPLIED
|
||
* xsl:version NMTOKEN #IMPLIED
|
||
*/
|
||
cur->psvi = NULL;
|
||
cctxt->inode->category = XSLT_ELEMENT_CATEGORY_LRE;
|
||
if (cur->properties != NULL) {
|
||
xmlAttrPtr attr = cur->properties;
|
||
/*
|
||
* Attribute "xsl:exclude-result-prefixes".
|
||
*/
|
||
cctxt->inode->exclResultNs =
|
||
xsltParseExclResultPrefixes(cctxt, cur,
|
||
cctxt->inode->exclResultNs,
|
||
XSLT_ELEMENT_CATEGORY_LRE);
|
||
/*
|
||
* Attribute "xsl:version".
|
||
*/
|
||
xsltParseAttrXSLTVersion(cctxt, cur,
|
||
XSLT_ELEMENT_CATEGORY_LRE);
|
||
/*
|
||
* Report invalid XSLT attributes.
|
||
* For XSLT 1.0 only xsl:use-attribute-sets is allowed
|
||
* next to xsl:version, xsl:exclude-result-prefixes and
|
||
* xsl:extension-element-prefixes.
|
||
*
|
||
* Mark all XSLT attributes, in order to skip such
|
||
* attributes when instantiating the LRE.
|
||
*/
|
||
do {
|
||
if ((attr->psvi != xsltXSLTAttrMarker) &&
|
||
IS_XSLT_ATTR_FAST(attr))
|
||
{
|
||
if (! xmlStrEqual(attr->name,
|
||
BAD_CAST "use-attribute-sets"))
|
||
{
|
||
xsltTransformError(NULL, cctxt->style,
|
||
cur,
|
||
"Unknown XSLT attribute '%s'.\n",
|
||
attr->name);
|
||
cctxt->style->errors++;
|
||
} else {
|
||
/*
|
||
* XSLT attr marker.
|
||
*/
|
||
attr->psvi = (void *) xsltXSLTAttrMarker;
|
||
}
|
||
}
|
||
attr = attr->next;
|
||
} while (attr != NULL);
|
||
}
|
||
/*
|
||
* Create/reuse info for the literal result element.
|
||
*/
|
||
if (cctxt->inode->nsChanged)
|
||
xsltLREInfoCreate(cctxt, cur, 1);
|
||
cur->psvi = cctxt->inode->litResElemInfo;
|
||
/*
|
||
* Apply ns-aliasing on the element and on its attributes.
|
||
*/
|
||
if (cctxt->hasNsAliases)
|
||
xsltLREBuildEffectiveNs(cctxt, cur);
|
||
/*
|
||
* Compile attribute value templates (AVT).
|
||
*/
|
||
if (cur->properties) {
|
||
xmlAttrPtr attr = cur->properties;
|
||
|
||
while (attr != NULL) {
|
||
xsltCompileAttr(cctxt->style, attr);
|
||
attr = attr->next;
|
||
}
|
||
}
|
||
/*
|
||
* Parse the content, which is defined to be a "template"
|
||
* (or "sequence constructor" in XSLT 2.0 terms).
|
||
*/
|
||
if (cur->children != NULL) {
|
||
xsltParseSequenceConstructor(cctxt, cur->children);
|
||
}
|
||
}
|
||
/*
|
||
* Leave the non-XSLT element.
|
||
*/
|
||
xsltCompilerNodePop(cctxt, cur);
|
||
}
|
||
}
|
||
cur = cur->next;
|
||
}
|
||
if (deleteNode != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_BLANKS
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseSequenceConstructor: removing xsl:text element\n");
|
||
#endif
|
||
xmlUnlinkNode(deleteNode);
|
||
xmlFreeNode(deleteNode);
|
||
deleteNode = NULL;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* xsltParseTemplateContent:
|
||
* @style: the XSLT stylesheet
|
||
* @templ: the node containing the content to be parsed
|
||
*
|
||
* Parses and compiles the content-model of an xsl:template element.
|
||
* Note that this is *not* the "template" content model (or "sequence
|
||
* constructor" in XSLT 2.0); it it allows addional xsl:param
|
||
* elements as immediate children of @templ.
|
||
*
|
||
* Called by:
|
||
* exsltFuncFunctionComp() (EXSLT, functions.c)
|
||
* So this is intended to be called from extension functions.
|
||
*/
|
||
void
|
||
xsltParseTemplateContent(xsltStylesheetPtr style, xmlNodePtr templ) {
|
||
if ((style == NULL) || (templ == NULL) ||
|
||
(templ->type == XML_NAMESPACE_DECL))
|
||
return;
|
||
|
||
/*
|
||
* Detection of handled content of extension instructions.
|
||
*/
|
||
if (XSLT_CCTXT(style)->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
|
||
XSLT_CCTXT(style)->inode->extContentHandled = 1;
|
||
}
|
||
|
||
if (templ->children != NULL) {
|
||
xmlNodePtr child = templ->children;
|
||
/*
|
||
* Process xsl:param elements, which can only occur as the
|
||
* immediate children of xsl:template (well, and of any
|
||
* user-defined extension instruction if needed).
|
||
*/
|
||
do {
|
||
if ((child->type == XML_ELEMENT_NODE) &&
|
||
IS_XSLT_ELEM_FAST(child) &&
|
||
IS_XSLT_NAME(child, "param"))
|
||
{
|
||
XSLT_CCTXT(style)->inode->curChildType = XSLT_FUNC_PARAM;
|
||
xsltParseAnyXSLTElem(XSLT_CCTXT(style), child);
|
||
} else
|
||
break;
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
/*
|
||
* Parse the content and register the pattern.
|
||
*/
|
||
xsltParseSequenceConstructor(XSLT_CCTXT(style), child);
|
||
}
|
||
}
|
||
|
||
#else /* XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseTemplateContent:
|
||
* @style: the XSLT stylesheet
|
||
* @templ: the container node (can be a document for literal results)
|
||
*
|
||
* parse a template content-model
|
||
* Clean-up the template content from unwanted ignorable blank nodes
|
||
* and process xslt:text
|
||
*/
|
||
void
|
||
xsltParseTemplateContent(xsltStylesheetPtr style, xmlNodePtr templ) {
|
||
xmlNodePtr cur, delete;
|
||
|
||
if ((style == NULL) || (templ == NULL) ||
|
||
(templ->type == XML_NAMESPACE_DECL)) return;
|
||
|
||
/*
|
||
* This content comes from the stylesheet
|
||
* For stylesheets, the set of whitespace-preserving
|
||
* element names consists of just xsl:text.
|
||
*/
|
||
cur = templ->children;
|
||
delete = NULL;
|
||
while (cur != NULL) {
|
||
if (delete != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_BLANKS
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseTemplateContent: removing text\n");
|
||
#endif
|
||
xmlUnlinkNode(delete);
|
||
xmlFreeNode(delete);
|
||
delete = NULL;
|
||
}
|
||
if (IS_XSLT_ELEM(cur)) {
|
||
xsltStylePreCompute(style, cur);
|
||
|
||
if (IS_XSLT_NAME(cur, "text")) {
|
||
/*
|
||
* TODO: Processing of xsl:text should be moved to
|
||
* xsltPreprocessStylesheet(), since otherwise this
|
||
* will be performed for every multiply included
|
||
* stylesheet; i.e. this here is not skipped with
|
||
* the use of the style->nopreproc flag.
|
||
*/
|
||
if (cur->children != NULL) {
|
||
xmlChar *prop;
|
||
xmlNodePtr text = cur->children, next;
|
||
int noesc = 0;
|
||
|
||
prop = xmlGetNsProp(cur,
|
||
(const xmlChar *)"disable-output-escaping",
|
||
NULL);
|
||
if (prop != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"Disable escaping: %s\n", text->content);
|
||
#endif
|
||
if (xmlStrEqual(prop, (const xmlChar *)"yes")) {
|
||
noesc = 1;
|
||
} else if (!xmlStrEqual(prop,
|
||
(const xmlChar *)"no")){
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsl:text: disable-output-escaping allows only yes or no\n");
|
||
style->warnings++;
|
||
|
||
}
|
||
xmlFree(prop);
|
||
}
|
||
|
||
while (text != NULL) {
|
||
if (text->type == XML_COMMENT_NODE) {
|
||
text = text->next;
|
||
continue;
|
||
}
|
||
if ((text->type != XML_TEXT_NODE) &&
|
||
(text->type != XML_CDATA_SECTION_NODE)) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseTemplateContent: xslt:text content problem\n");
|
||
style->errors++;
|
||
break;
|
||
}
|
||
if ((noesc) && (text->type != XML_CDATA_SECTION_NODE))
|
||
text->name = xmlStringTextNoenc;
|
||
text = text->next;
|
||
}
|
||
|
||
/*
|
||
* replace xsl:text by the list of childs
|
||
*/
|
||
if (text == NULL) {
|
||
text = cur->children;
|
||
while (text != NULL) {
|
||
if ((style->internalized) &&
|
||
(text->content != NULL) &&
|
||
(!xmlDictOwns(style->dict, text->content))) {
|
||
|
||
/*
|
||
* internalize the text string
|
||
*/
|
||
if (text->doc->dict != NULL) {
|
||
const xmlChar *tmp;
|
||
|
||
tmp = xmlDictLookup(text->doc->dict,
|
||
text->content, -1);
|
||
if (tmp != text->content) {
|
||
xmlNodeSetContent(text, NULL);
|
||
text->content = (xmlChar *) tmp;
|
||
}
|
||
}
|
||
}
|
||
|
||
next = text->next;
|
||
xmlUnlinkNode(text);
|
||
xmlAddPrevSibling(cur, text);
|
||
text = next;
|
||
}
|
||
}
|
||
}
|
||
delete = cur;
|
||
goto skip_children;
|
||
}
|
||
}
|
||
else if ((cur->ns != NULL) && (style->nsDefs != NULL) &&
|
||
(xsltCheckExtPrefix(style, cur->ns->prefix)))
|
||
{
|
||
/*
|
||
* okay this is an extension element compile it too
|
||
*/
|
||
xsltStylePreCompute(style, cur);
|
||
}
|
||
else if (cur->type == XML_ELEMENT_NODE)
|
||
{
|
||
/*
|
||
* This is an element which will be output as part of the
|
||
* template exectution, precompile AVT if found.
|
||
*/
|
||
if ((cur->ns == NULL) && (style->defaultAlias != NULL)) {
|
||
cur->ns = xmlSearchNsByHref(cur->doc, cur,
|
||
style->defaultAlias);
|
||
}
|
||
if (cur->properties != NULL) {
|
||
xmlAttrPtr attr = cur->properties;
|
||
|
||
while (attr != NULL) {
|
||
xsltCompileAttr(style, attr);
|
||
attr = attr->next;
|
||
}
|
||
}
|
||
}
|
||
/*
|
||
* Skip to next node
|
||
*/
|
||
if (cur->children != NULL) {
|
||
if (cur->children->type != XML_ENTITY_DECL) {
|
||
cur = cur->children;
|
||
continue;
|
||
}
|
||
}
|
||
skip_children:
|
||
if (cur->next != NULL) {
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
|
||
do {
|
||
cur = cur->parent;
|
||
if (cur == NULL)
|
||
break;
|
||
if (cur == templ) {
|
||
cur = NULL;
|
||
break;
|
||
}
|
||
if (cur->next != NULL) {
|
||
cur = cur->next;
|
||
break;
|
||
}
|
||
} while (cur != NULL);
|
||
}
|
||
if (delete != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseTemplateContent: removing text\n");
|
||
#endif
|
||
xmlUnlinkNode(delete);
|
||
xmlFreeNode(delete);
|
||
delete = NULL;
|
||
}
|
||
|
||
/*
|
||
* Skip the first params
|
||
*/
|
||
cur = templ->children;
|
||
while (cur != NULL) {
|
||
if ((IS_XSLT_ELEM(cur)) && (!(IS_XSLT_NAME(cur, "param"))))
|
||
break;
|
||
cur = cur->next;
|
||
}
|
||
|
||
/*
|
||
* Browse the remainder of the template
|
||
*/
|
||
while (cur != NULL) {
|
||
if ((IS_XSLT_ELEM(cur)) && (IS_XSLT_NAME(cur, "param"))) {
|
||
xmlNodePtr param = cur;
|
||
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseTemplateContent: ignoring misplaced param element\n");
|
||
if (style != NULL) style->warnings++;
|
||
cur = cur->next;
|
||
xmlUnlinkNode(param);
|
||
xmlFreeNode(param);
|
||
} else
|
||
break;
|
||
}
|
||
}
|
||
|
||
#endif /* else XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseStylesheetKey:
|
||
* @style: the XSLT stylesheet
|
||
* @key: the "key" element
|
||
*
|
||
* <!-- Category: top-level-element -->
|
||
* <xsl:key name = qname, match = pattern, use = expression />
|
||
*
|
||
* parse an XSLT stylesheet key definition and register it
|
||
*/
|
||
|
||
static void
|
||
xsltParseStylesheetKey(xsltStylesheetPtr style, xmlNodePtr key) {
|
||
xmlChar *prop = NULL;
|
||
xmlChar *use = NULL;
|
||
xmlChar *match = NULL;
|
||
xmlChar *name = NULL;
|
||
xmlChar *nameURI = NULL;
|
||
|
||
if ((style == NULL) || (key == NULL) || (key->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
/*
|
||
* Get arguments
|
||
*/
|
||
prop = xmlGetNsProp(key, (const xmlChar *)"name", NULL);
|
||
if (prop != NULL) {
|
||
const xmlChar *URI;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
URI = xsltGetQNameURI(key, &prop);
|
||
if (prop == NULL) {
|
||
if (style != NULL) style->errors++;
|
||
goto error;
|
||
} else {
|
||
name = prop;
|
||
if (URI != NULL)
|
||
nameURI = xmlStrdup(URI);
|
||
}
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseStylesheetKey: name %s\n", name);
|
||
#endif
|
||
} else {
|
||
xsltTransformError(NULL, style, key,
|
||
"xsl:key : error missing name\n");
|
||
if (style != NULL) style->errors++;
|
||
goto error;
|
||
}
|
||
|
||
match = xmlGetNsProp(key, (const xmlChar *)"match", NULL);
|
||
if (match == NULL) {
|
||
xsltTransformError(NULL, style, key,
|
||
"xsl:key : error missing match\n");
|
||
if (style != NULL) style->errors++;
|
||
goto error;
|
||
}
|
||
|
||
use = xmlGetNsProp(key, (const xmlChar *)"use", NULL);
|
||
if (use == NULL) {
|
||
xsltTransformError(NULL, style, key,
|
||
"xsl:key : error missing use\n");
|
||
if (style != NULL) style->errors++;
|
||
goto error;
|
||
}
|
||
|
||
/*
|
||
* register the keys
|
||
*/
|
||
xsltAddKey(style, name, nameURI, match, use, key);
|
||
|
||
|
||
error:
|
||
if (use != NULL)
|
||
xmlFree(use);
|
||
if (match != NULL)
|
||
xmlFree(match);
|
||
if (name != NULL)
|
||
xmlFree(name);
|
||
if (nameURI != NULL)
|
||
xmlFree(nameURI);
|
||
|
||
if (key->children != NULL) {
|
||
xsltParseContentError(style, key->children);
|
||
}
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
/**
|
||
* xsltParseXSLTTemplate:
|
||
* @style: the XSLT stylesheet
|
||
* @template: the "template" element
|
||
*
|
||
* parse an XSLT stylesheet template building the associated structures
|
||
* TODO: Is @style ever expected to be NULL?
|
||
*
|
||
* Called from:
|
||
* xsltParseXSLTStylesheet()
|
||
* xsltParseStylesheetTop()
|
||
*/
|
||
|
||
static void
|
||
xsltParseXSLTTemplate(xsltCompilerCtxtPtr cctxt, xmlNodePtr templNode) {
|
||
xsltTemplatePtr templ;
|
||
xmlChar *prop;
|
||
double priority;
|
||
|
||
if ((cctxt == NULL) || (templNode == NULL) ||
|
||
(templNode->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
/*
|
||
* Create and link the structure
|
||
*/
|
||
templ = xsltNewTemplate();
|
||
if (templ == NULL)
|
||
return;
|
||
|
||
xsltCompilerNodePush(cctxt, templNode);
|
||
if (templNode->nsDef != NULL)
|
||
cctxt->inode->inScopeNs =
|
||
xsltCompilerBuildInScopeNsList(cctxt, templNode);
|
||
|
||
templ->next = cctxt->style->templates;
|
||
cctxt->style->templates = templ;
|
||
templ->style = cctxt->style;
|
||
|
||
/*
|
||
* Attribute "mode".
|
||
*/
|
||
prop = xmlGetNsProp(templNode, (const xmlChar *)"mode", NULL);
|
||
if (prop != NULL) {
|
||
const xmlChar *modeURI;
|
||
|
||
/*
|
||
* TODO: We need a standardized function for extraction
|
||
* of namespace names and local names from QNames.
|
||
* Don't use xsltGetQNameURI() as it cannot channe<6E>
|
||
* reports through the context.
|
||
*/
|
||
modeURI = xsltGetQNameURI(templNode, &prop);
|
||
if (prop == NULL) {
|
||
cctxt->style->errors++;
|
||
goto error;
|
||
}
|
||
templ->mode = xmlDictLookup(cctxt->style->dict, prop, -1);
|
||
xmlFree(prop);
|
||
prop = NULL;
|
||
if (xmlValidateNCName(templ->mode, 0)) {
|
||
xsltTransformError(NULL, cctxt->style, templNode,
|
||
"xsl:template: Attribute 'mode': The local part '%s' "
|
||
"of the value is not a valid NCName.\n", templ->name);
|
||
cctxt->style->errors++;
|
||
goto error;
|
||
}
|
||
if (modeURI != NULL)
|
||
templ->modeURI = xmlDictLookup(cctxt->style->dict, modeURI, -1);
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseXSLTTemplate: mode %s\n", templ->mode);
|
||
#endif
|
||
}
|
||
/*
|
||
* Attribute "match".
|
||
*/
|
||
prop = xmlGetNsProp(templNode, (const xmlChar *)"match", NULL);
|
||
if (prop != NULL) {
|
||
templ->match = prop;
|
||
prop = NULL;
|
||
}
|
||
/*
|
||
* Attribute "priority".
|
||
*/
|
||
prop = xmlGetNsProp(templNode, (const xmlChar *)"priority", NULL);
|
||
if (prop != NULL) {
|
||
priority = xmlXPathStringEvalNumber(prop);
|
||
templ->priority = (float) priority;
|
||
xmlFree(prop);
|
||
prop = NULL;
|
||
}
|
||
/*
|
||
* Attribute "name".
|
||
*/
|
||
prop = xmlGetNsProp(templNode, (const xmlChar *)"name", NULL);
|
||
if (prop != NULL) {
|
||
const xmlChar *nameURI;
|
||
xsltTemplatePtr curTempl;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
nameURI = xsltGetQNameURI(templNode, &prop);
|
||
if (prop == NULL) {
|
||
cctxt->style->errors++;
|
||
goto error;
|
||
}
|
||
templ->name = xmlDictLookup(cctxt->style->dict, prop, -1);
|
||
xmlFree(prop);
|
||
prop = NULL;
|
||
if (xmlValidateNCName(templ->name, 0)) {
|
||
xsltTransformError(NULL, cctxt->style, templNode,
|
||
"xsl:template: Attribute 'name': The local part '%s' of "
|
||
"the value is not a valid NCName.\n", templ->name);
|
||
cctxt->style->errors++;
|
||
goto error;
|
||
}
|
||
if (nameURI != NULL)
|
||
templ->nameURI = xmlDictLookup(cctxt->style->dict, nameURI, -1);
|
||
curTempl = templ->next;
|
||
while (curTempl != NULL) {
|
||
if ((nameURI != NULL && xmlStrEqual(curTempl->name, templ->name) &&
|
||
xmlStrEqual(curTempl->nameURI, nameURI) ) ||
|
||
(nameURI == NULL && curTempl->nameURI == NULL &&
|
||
xmlStrEqual(curTempl->name, templ->name)))
|
||
{
|
||
xsltTransformError(NULL, cctxt->style, templNode,
|
||
"xsl:template: error duplicate name '%s'\n", templ->name);
|
||
cctxt->style->errors++;
|
||
goto error;
|
||
}
|
||
curTempl = curTempl->next;
|
||
}
|
||
}
|
||
if (templNode->children != NULL) {
|
||
xsltParseTemplateContent(cctxt->style, templNode);
|
||
/*
|
||
* MAYBE TODO: Custom behaviour: In order to stay compatible with
|
||
* Xalan and MSXML(.NET), we could allow whitespace
|
||
* to appear before an xml:param element; this whitespace
|
||
* will additionally become part of the "template".
|
||
* NOTE that this is totally deviates from the spec, but
|
||
* is the de facto behaviour of Xalan and MSXML(.NET).
|
||
* Personally I wouldn't allow this, since if we have:
|
||
* <xsl:template ...xml:space="preserve">
|
||
* <xsl:param name="foo"/>
|
||
* <xsl:param name="bar"/>
|
||
* <xsl:param name="zoo"/>
|
||
* ... the whitespace between every xsl:param would be
|
||
* added to the result tree.
|
||
*/
|
||
}
|
||
|
||
templ->elem = templNode;
|
||
templ->content = templNode->children;
|
||
xsltAddTemplate(cctxt->style, templ, templ->mode, templ->modeURI);
|
||
|
||
error:
|
||
xsltCompilerNodePop(cctxt, templNode);
|
||
return;
|
||
}
|
||
|
||
#else /* XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseStylesheetTemplate:
|
||
* @style: the XSLT stylesheet
|
||
* @template: the "template" element
|
||
*
|
||
* parse an XSLT stylesheet template building the associated structures
|
||
*/
|
||
|
||
static void
|
||
xsltParseStylesheetTemplate(xsltStylesheetPtr style, xmlNodePtr template) {
|
||
xsltTemplatePtr ret;
|
||
xmlChar *prop;
|
||
xmlChar *mode = NULL;
|
||
xmlChar *modeURI = NULL;
|
||
double priority;
|
||
|
||
if ((style == NULL) || (template == NULL) ||
|
||
(template->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
/*
|
||
* Create and link the structure
|
||
*/
|
||
ret = xsltNewTemplate();
|
||
if (ret == NULL)
|
||
return;
|
||
ret->next = style->templates;
|
||
style->templates = ret;
|
||
ret->style = style;
|
||
|
||
/*
|
||
* Get inherited namespaces
|
||
*/
|
||
/*
|
||
* TODO: Apply the optimized in-scope-namespace mechanism
|
||
* as for the other XSLT instructions.
|
||
*/
|
||
xsltGetInheritedNsList(style, ret, template);
|
||
|
||
/*
|
||
* Get arguments
|
||
*/
|
||
prop = xmlGetNsProp(template, (const xmlChar *)"mode", NULL);
|
||
if (prop != NULL) {
|
||
const xmlChar *URI;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
URI = xsltGetQNameURI(template, &prop);
|
||
if (prop == NULL) {
|
||
if (style != NULL) style->errors++;
|
||
goto error;
|
||
} else {
|
||
mode = prop;
|
||
if (URI != NULL)
|
||
modeURI = xmlStrdup(URI);
|
||
}
|
||
ret->mode = xmlDictLookup(style->dict, mode, -1);
|
||
ret->modeURI = xmlDictLookup(style->dict, modeURI, -1);
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseStylesheetTemplate: mode %s\n", mode);
|
||
#endif
|
||
if (mode != NULL) xmlFree(mode);
|
||
if (modeURI != NULL) xmlFree(modeURI);
|
||
}
|
||
prop = xmlGetNsProp(template, (const xmlChar *)"match", NULL);
|
||
if (prop != NULL) {
|
||
if (ret->match != NULL) xmlFree(ret->match);
|
||
ret->match = prop;
|
||
}
|
||
|
||
prop = xmlGetNsProp(template, (const xmlChar *)"priority", NULL);
|
||
if (prop != NULL) {
|
||
priority = xmlXPathStringEvalNumber(prop);
|
||
ret->priority = (float) priority;
|
||
xmlFree(prop);
|
||
}
|
||
|
||
prop = xmlGetNsProp(template, (const xmlChar *)"name", NULL);
|
||
if (prop != NULL) {
|
||
const xmlChar *URI;
|
||
|
||
/*
|
||
* TODO: Don't use xsltGetQNameURI().
|
||
*/
|
||
URI = xsltGetQNameURI(template, &prop);
|
||
if (prop == NULL) {
|
||
if (style != NULL) style->errors++;
|
||
goto error;
|
||
} else {
|
||
if (xmlValidateNCName(prop,0)) {
|
||
xsltTransformError(NULL, style, template,
|
||
"xsl:template : error invalid name '%s'\n", prop);
|
||
if (style != NULL) style->errors++;
|
||
xmlFree(prop);
|
||
goto error;
|
||
}
|
||
ret->name = xmlDictLookup(style->dict, BAD_CAST prop, -1);
|
||
xmlFree(prop);
|
||
prop = NULL;
|
||
if (URI != NULL)
|
||
ret->nameURI = xmlDictLookup(style->dict, BAD_CAST URI, -1);
|
||
else
|
||
ret->nameURI = NULL;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* parse the content and register the pattern
|
||
*/
|
||
xsltParseTemplateContent(style, template);
|
||
ret->elem = template;
|
||
ret->content = template->children;
|
||
xsltAddTemplate(style, ret, ret->mode, ret->modeURI);
|
||
|
||
error:
|
||
return;
|
||
}
|
||
|
||
#endif /* else XSLT_REFACTORED */
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
|
||
/**
|
||
* xsltIncludeComp:
|
||
* @cctxt: the compilation context
|
||
* @node: the xsl:include node
|
||
*
|
||
* Process the xslt include node on the source node
|
||
*/
|
||
static xsltStyleItemIncludePtr
|
||
xsltCompileXSLTIncludeElem(xsltCompilerCtxtPtr cctxt, xmlNodePtr node) {
|
||
xsltStyleItemIncludePtr item;
|
||
|
||
if ((cctxt == NULL) || (node == NULL) || (node->type != XML_ELEMENT_NODE))
|
||
return(NULL);
|
||
|
||
node->psvi = NULL;
|
||
item = (xsltStyleItemIncludePtr) xmlMalloc(sizeof(xsltStyleItemInclude));
|
||
if (item == NULL) {
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"xsltIncludeComp : malloc failed\n");
|
||
cctxt->style->errors++;
|
||
return(NULL);
|
||
}
|
||
memset(item, 0, sizeof(xsltStyleItemInclude));
|
||
|
||
node->psvi = item;
|
||
item->inst = node;
|
||
item->type = XSLT_FUNC_INCLUDE;
|
||
|
||
item->next = cctxt->style->preComps;
|
||
cctxt->style->preComps = (xsltElemPreCompPtr) item;
|
||
|
||
return(item);
|
||
}
|
||
|
||
/**
|
||
* xsltParseFindTopLevelElem:
|
||
*/
|
||
static int
|
||
xsltParseFindTopLevelElem(xsltCompilerCtxtPtr cctxt,
|
||
xmlNodePtr cur,
|
||
const xmlChar *name,
|
||
const xmlChar *namespaceURI,
|
||
int breakOnOtherElem,
|
||
xmlNodePtr *resultNode)
|
||
{
|
||
if (name == NULL)
|
||
return(-1);
|
||
|
||
*resultNode = NULL;
|
||
while (cur != NULL) {
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
if ((cur->ns != NULL) && (cur->name != NULL)) {
|
||
if ((*(cur->name) == *name) &&
|
||
xmlStrEqual(cur->name, name) &&
|
||
xmlStrEqual(cur->ns->href, namespaceURI))
|
||
{
|
||
*resultNode = cur;
|
||
return(1);
|
||
}
|
||
}
|
||
if (breakOnOtherElem)
|
||
break;
|
||
}
|
||
cur = cur->next;
|
||
}
|
||
*resultNode = cur;
|
||
return(0);
|
||
}
|
||
|
||
static int
|
||
xsltParseTopLevelXSLTElem(xsltCompilerCtxtPtr cctxt,
|
||
xmlNodePtr node,
|
||
xsltStyleType type)
|
||
{
|
||
int ret = 0;
|
||
|
||
/*
|
||
* TODO: The reason why this function exists:
|
||
* due to historical reasons some of the
|
||
* top-level declarations are processed by functions
|
||
* in other files. Since we need still to set
|
||
* up the node-info and generate information like
|
||
* in-scope namespaces, this is a wrapper around
|
||
* those old parsing functions.
|
||
*/
|
||
xsltCompilerNodePush(cctxt, node);
|
||
if (node->nsDef != NULL)
|
||
cctxt->inode->inScopeNs =
|
||
xsltCompilerBuildInScopeNsList(cctxt, node);
|
||
cctxt->inode->type = type;
|
||
|
||
switch (type) {
|
||
case XSLT_FUNC_INCLUDE:
|
||
{
|
||
int oldIsInclude;
|
||
|
||
if (xsltCompileXSLTIncludeElem(cctxt, node) == NULL)
|
||
goto exit;
|
||
/*
|
||
* Mark this stylesheet tree as being currently included.
|
||
*/
|
||
oldIsInclude = cctxt->isInclude;
|
||
cctxt->isInclude = 1;
|
||
|
||
if (xsltParseStylesheetInclude(cctxt->style, node) != 0) {
|
||
cctxt->style->errors++;
|
||
}
|
||
cctxt->isInclude = oldIsInclude;
|
||
}
|
||
break;
|
||
case XSLT_FUNC_PARAM:
|
||
xsltStylePreCompute(cctxt->style, node);
|
||
xsltParseGlobalParam(cctxt->style, node);
|
||
break;
|
||
case XSLT_FUNC_VARIABLE:
|
||
xsltStylePreCompute(cctxt->style, node);
|
||
xsltParseGlobalVariable(cctxt->style, node);
|
||
break;
|
||
case XSLT_FUNC_ATTRSET:
|
||
xsltParseStylesheetAttributeSet(cctxt->style, node);
|
||
break;
|
||
default:
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"Internal error: (xsltParseTopLevelXSLTElem) "
|
||
"Cannot handle this top-level declaration.\n");
|
||
cctxt->style->errors++;
|
||
ret = -1;
|
||
}
|
||
|
||
exit:
|
||
xsltCompilerNodePop(cctxt, node);
|
||
|
||
return(ret);
|
||
}
|
||
|
||
#if 0
|
||
static int
|
||
xsltParseRemoveWhitespace(xmlNodePtr node)
|
||
{
|
||
if ((node == NULL) || (node->children == NULL))
|
||
return(0);
|
||
else {
|
||
xmlNodePtr delNode = NULL, child = node->children;
|
||
|
||
do {
|
||
if (delNode) {
|
||
xmlUnlinkNode(delNode);
|
||
xmlFreeNode(delNode);
|
||
delNode = NULL;
|
||
}
|
||
if (((child->type == XML_TEXT_NODE) ||
|
||
(child->type == XML_CDATA_SECTION_NODE)) &&
|
||
(IS_BLANK_NODE(child)))
|
||
delNode = child;
|
||
child = child->next;
|
||
} while (child != NULL);
|
||
if (delNode) {
|
||
xmlUnlinkNode(delNode);
|
||
xmlFreeNode(delNode);
|
||
delNode = NULL;
|
||
}
|
||
}
|
||
return(0);
|
||
}
|
||
#endif
|
||
|
||
static int
|
||
xsltParseXSLTStylesheetElemCore(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
|
||
{
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
int templates = 0;
|
||
#endif
|
||
xmlNodePtr cur, start = NULL;
|
||
xsltStylesheetPtr style;
|
||
|
||
if ((cctxt == NULL) || (node == NULL) ||
|
||
(node->type != XML_ELEMENT_NODE))
|
||
return(-1);
|
||
|
||
style = cctxt->style;
|
||
/*
|
||
* At this stage all import declarations of all stylesheet modules
|
||
* with the same stylesheet level have been processed.
|
||
* Now we can safely parse the rest of the declarations.
|
||
*/
|
||
if (IS_XSLT_ELEM_FAST(node) && IS_XSLT_NAME(node, "include"))
|
||
{
|
||
xsltDocumentPtr include;
|
||
/*
|
||
* URGENT TODO: Make this work with simplified stylesheets!
|
||
* I.e., when we won't find an xsl:stylesheet element.
|
||
*/
|
||
/*
|
||
* This is as include declaration.
|
||
*/
|
||
include = ((xsltStyleItemIncludePtr) node->psvi)->include;
|
||
if (include == NULL) {
|
||
/* TODO: raise error? */
|
||
return(-1);
|
||
}
|
||
/*
|
||
* TODO: Actually an xsl:include should locate an embedded
|
||
* stylesheet as well; so the document-element won't always
|
||
* be the element where the actual stylesheet is rooted at.
|
||
* But such embedded stylesheets are not supported by Libxslt yet.
|
||
*/
|
||
node = xmlDocGetRootElement(include->doc);
|
||
if (node == NULL) {
|
||
return(-1);
|
||
}
|
||
}
|
||
|
||
if (node->children == NULL)
|
||
return(0);
|
||
/*
|
||
* Push the xsl:stylesheet/xsl:transform element.
|
||
*/
|
||
xsltCompilerNodePush(cctxt, node);
|
||
cctxt->inode->isRoot = 1;
|
||
cctxt->inode->nsChanged = 0;
|
||
/*
|
||
* Start with the naked dummy info for literal result elements.
|
||
*/
|
||
cctxt->inode->litResElemInfo = cctxt->inodeList->litResElemInfo;
|
||
|
||
/*
|
||
* In every case, we need to have
|
||
* the in-scope namespaces of the element, where the
|
||
* stylesheet is rooted at, regardless if it's an XSLT
|
||
* instruction or a literal result instruction (or if
|
||
* this is an embedded stylesheet).
|
||
*/
|
||
cctxt->inode->inScopeNs =
|
||
xsltCompilerBuildInScopeNsList(cctxt, node);
|
||
|
||
/*
|
||
* Process attributes of xsl:stylesheet/xsl:transform.
|
||
* --------------------------------------------------
|
||
* Allowed are:
|
||
* id = id
|
||
* extension-element-prefixes = tokens
|
||
* exclude-result-prefixes = tokens
|
||
* version = number (mandatory)
|
||
*/
|
||
if (xsltParseAttrXSLTVersion(cctxt, node,
|
||
XSLT_ELEMENT_CATEGORY_XSLT) == 0)
|
||
{
|
||
/*
|
||
* Attribute "version".
|
||
* XSLT 1.0: "An xsl:stylesheet element *must* have a version
|
||
* attribute, indicating the version of XSLT that the
|
||
* stylesheet requires".
|
||
* The root element of a simplified stylesheet must also have
|
||
* this attribute.
|
||
*/
|
||
#ifdef XSLT_REFACTORED_MANDATORY_VERSION
|
||
if (isXsltElem)
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"The attribute 'version' is missing.\n");
|
||
cctxt->style->errors++;
|
||
#else
|
||
/* OLD behaviour. */
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"xsl:version is missing: document may not be a stylesheet\n");
|
||
cctxt->style->warnings++;
|
||
#endif
|
||
}
|
||
/*
|
||
* The namespaces declared by the attributes
|
||
* "extension-element-prefixes" and
|
||
* "exclude-result-prefixes" are local to *this*
|
||
* stylesheet tree; i.e., they are *not* visible to
|
||
* other stylesheet-modules, whether imported or included.
|
||
*
|
||
* Attribute "extension-element-prefixes".
|
||
*/
|
||
cctxt->inode->extElemNs =
|
||
xsltParseExtElemPrefixes(cctxt, node, NULL,
|
||
XSLT_ELEMENT_CATEGORY_XSLT);
|
||
/*
|
||
* Attribute "exclude-result-prefixes".
|
||
*/
|
||
cctxt->inode->exclResultNs =
|
||
xsltParseExclResultPrefixes(cctxt, node, NULL,
|
||
XSLT_ELEMENT_CATEGORY_XSLT);
|
||
/*
|
||
* Create/reuse info for the literal result element.
|
||
*/
|
||
if (cctxt->inode->nsChanged)
|
||
xsltLREInfoCreate(cctxt, node, 0);
|
||
/*
|
||
* Processed top-level elements:
|
||
* ----------------------------
|
||
* xsl:variable, xsl:param (QName, in-scope ns,
|
||
* expression (vars allowed))
|
||
* xsl:attribute-set (QName, in-scope ns)
|
||
* xsl:strip-space, xsl:preserve-space (XPath NameTests,
|
||
* in-scope ns)
|
||
* I *think* global scope, merge with includes
|
||
* xsl:output (QName, in-scope ns)
|
||
* xsl:key (QName, in-scope ns, pattern,
|
||
* expression (vars *not* allowed))
|
||
* xsl:decimal-format (QName, needs in-scope ns)
|
||
* xsl:namespace-alias (in-scope ns)
|
||
* global scope, merge with includes
|
||
* xsl:template (last, QName, pattern)
|
||
*
|
||
* (whitespace-only text-nodes have *not* been removed
|
||
* yet; this will be done in xsltParseSequenceConstructor)
|
||
*
|
||
* Report misplaced child-nodes first.
|
||
*/
|
||
cur = node->children;
|
||
while (cur != NULL) {
|
||
if (cur->type == XML_TEXT_NODE) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"Misplaced text node (content: '%s').\n",
|
||
(cur->content != NULL) ? cur->content : BAD_CAST "");
|
||
style->errors++;
|
||
} else if (cur->type != XML_ELEMENT_NODE) {
|
||
xsltTransformError(NULL, style, cur, "Misplaced node.\n");
|
||
style->errors++;
|
||
}
|
||
cur = cur->next;
|
||
}
|
||
/*
|
||
* Skip xsl:import elements; they have been processed
|
||
* already.
|
||
*/
|
||
cur = node->children;
|
||
while ((cur != NULL) && xsltParseFindTopLevelElem(cctxt, cur,
|
||
BAD_CAST "import", XSLT_NAMESPACE, 1, &cur) == 1)
|
||
cur = cur->next;
|
||
if (cur == NULL)
|
||
goto exit;
|
||
|
||
start = cur;
|
||
/*
|
||
* Process all top-level xsl:param elements.
|
||
*/
|
||
while ((cur != NULL) &&
|
||
xsltParseFindTopLevelElem(cctxt, cur,
|
||
BAD_CAST "param", XSLT_NAMESPACE, 0, &cur) == 1)
|
||
{
|
||
xsltParseTopLevelXSLTElem(cctxt, cur, XSLT_FUNC_PARAM);
|
||
cur = cur->next;
|
||
}
|
||
/*
|
||
* Process all top-level xsl:variable elements.
|
||
*/
|
||
cur = start;
|
||
while ((cur != NULL) &&
|
||
xsltParseFindTopLevelElem(cctxt, cur,
|
||
BAD_CAST "variable", XSLT_NAMESPACE, 0, &cur) == 1)
|
||
{
|
||
xsltParseTopLevelXSLTElem(cctxt, cur, XSLT_FUNC_VARIABLE);
|
||
cur = cur->next;
|
||
}
|
||
/*
|
||
* Process all the rest of top-level elements.
|
||
*/
|
||
cur = start;
|
||
while (cur != NULL) {
|
||
/*
|
||
* Process element nodes.
|
||
*/
|
||
if (cur->type == XML_ELEMENT_NODE) {
|
||
if (cur->ns == NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"Unexpected top-level element in no namespace.\n");
|
||
style->errors++;
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
/*
|
||
* Process all XSLT elements.
|
||
*/
|
||
if (IS_XSLT_ELEM_FAST(cur)) {
|
||
/*
|
||
* xsl:import is only allowed at the beginning.
|
||
*/
|
||
if (IS_XSLT_NAME(cur, "import")) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"Misplaced xsl:import element.\n");
|
||
style->errors++;
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
/*
|
||
* TODO: Change the return type of the parsing functions
|
||
* to int.
|
||
*/
|
||
if (IS_XSLT_NAME(cur, "template")) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
templates++;
|
||
#endif
|
||
/*
|
||
* TODO: Is the position of xsl:template in the
|
||
* tree significant? If not it would be easier to
|
||
* parse them at a later stage.
|
||
*/
|
||
xsltParseXSLTTemplate(cctxt, cur);
|
||
} else if (IS_XSLT_NAME(cur, "variable")) {
|
||
/* NOP; done already */
|
||
} else if (IS_XSLT_NAME(cur, "param")) {
|
||
/* NOP; done already */
|
||
} else if (IS_XSLT_NAME(cur, "include")) {
|
||
if (cur->psvi != NULL)
|
||
xsltParseXSLTStylesheetElemCore(cctxt, cur);
|
||
else {
|
||
xsltTransformError(NULL, style, cur,
|
||
"Internal error: "
|
||
"(xsltParseXSLTStylesheetElemCore) "
|
||
"The xsl:include element was not compiled.\n");
|
||
style->errors++;
|
||
}
|
||
} else if (IS_XSLT_NAME(cur, "strip-space")) {
|
||
/* No node info needed. */
|
||
xsltParseStylesheetStripSpace(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "preserve-space")) {
|
||
/* No node info needed. */
|
||
xsltParseStylesheetPreserveSpace(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "output")) {
|
||
/* No node-info needed. */
|
||
xsltParseStylesheetOutput(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "key")) {
|
||
/* TODO: node-info needed for expressions ? */
|
||
xsltParseStylesheetKey(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "decimal-format")) {
|
||
/* No node-info needed. */
|
||
xsltParseStylesheetDecimalFormat(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "attribute-set")) {
|
||
xsltParseTopLevelXSLTElem(cctxt, cur,
|
||
XSLT_FUNC_ATTRSET);
|
||
} else if (IS_XSLT_NAME(cur, "namespace-alias")) {
|
||
/* NOP; done already */
|
||
} else {
|
||
if (cctxt->inode->forwardsCompat) {
|
||
/*
|
||
* Forwards-compatible mode:
|
||
*
|
||
* XSLT-1: "if it is a top-level element and
|
||
* XSLT 1.0 does not allow such elements as top-level
|
||
* elements, then the element must be ignored along
|
||
* with its content;"
|
||
*/
|
||
/*
|
||
* TODO: I don't think we should generate a warning.
|
||
*/
|
||
xsltTransformError(NULL, style, cur,
|
||
"Forwards-compatible mode: Ignoring unknown XSLT "
|
||
"element '%s'.\n", cur->name);
|
||
style->warnings++;
|
||
} else {
|
||
xsltTransformError(NULL, style, cur,
|
||
"Unknown XSLT element '%s'.\n", cur->name);
|
||
style->errors++;
|
||
}
|
||
}
|
||
} else {
|
||
xsltTopLevelFunction function;
|
||
|
||
/*
|
||
* Process non-XSLT elements, which are in a
|
||
* non-NULL namespace.
|
||
*/
|
||
/*
|
||
* QUESTION: What does xsltExtModuleTopLevelLookup()
|
||
* do exactly?
|
||
*/
|
||
function = xsltExtModuleTopLevelLookup(cur->name,
|
||
cur->ns->href);
|
||
if (function != NULL)
|
||
function(style, cur);
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseXSLTStylesheetElemCore : User-defined "
|
||
"data element '%s'.\n", cur->name);
|
||
#endif
|
||
}
|
||
}
|
||
cur = cur->next;
|
||
}
|
||
|
||
exit:
|
||
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"### END of parsing top-level elements of doc '%s'.\n",
|
||
node->doc->URL);
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"### Templates: %d\n", templates);
|
||
#ifdef XSLT_REFACTORED
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"### Max inodes: %d\n", cctxt->maxNodeInfos);
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"### Max LREs : %d\n", cctxt->maxLREs);
|
||
#endif /* XSLT_REFACTORED */
|
||
#endif /* WITH_XSLT_DEBUG_PARSING */
|
||
|
||
xsltCompilerNodePop(cctxt, node);
|
||
return(0);
|
||
}
|
||
|
||
/**
|
||
* xsltParseXSLTStylesheet:
|
||
* @cctxt: the compiler context
|
||
* @node: the xsl:stylesheet/xsl:transform element-node
|
||
*
|
||
* Parses the xsl:stylesheet and xsl:transform element.
|
||
*
|
||
* <xsl:stylesheet
|
||
* id = id
|
||
* extension-element-prefixes = tokens
|
||
* exclude-result-prefixes = tokens
|
||
* version = number>
|
||
* <!-- Content: (xsl:import*, top-level-elements) -->
|
||
* </xsl:stylesheet>
|
||
*
|
||
* BIG TODO: The xsl:include stuff.
|
||
*
|
||
* Called by xsltParseStylesheetTree()
|
||
*
|
||
* Returns 0 on success, a positive result on errors and
|
||
* -1 on API or internal errors.
|
||
*/
|
||
static int
|
||
xsltParseXSLTStylesheetElem(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
|
||
{
|
||
xmlNodePtr cur, start;
|
||
|
||
if ((cctxt == NULL) || (node == NULL) || (node->type != XML_ELEMENT_NODE))
|
||
return(-1);
|
||
|
||
if (node->children == NULL)
|
||
goto exit;
|
||
|
||
/*
|
||
* Process top-level elements:
|
||
* xsl:import (must be first)
|
||
* xsl:include (this is just a pre-processing)
|
||
*/
|
||
cur = node->children;
|
||
/*
|
||
* Process xsl:import elements.
|
||
* XSLT 1.0: "The xsl:import element children must precede all
|
||
* other element children of an xsl:stylesheet element,
|
||
* including any xsl:include element children."
|
||
*/
|
||
while ((cur != NULL) &&
|
||
xsltParseFindTopLevelElem(cctxt, cur,
|
||
BAD_CAST "import", XSLT_NAMESPACE, 1, &cur) == 1)
|
||
{
|
||
if (xsltParseStylesheetImport(cctxt->style, cur) != 0) {
|
||
cctxt->style->errors++;
|
||
}
|
||
cur = cur->next;
|
||
}
|
||
if (cur == NULL)
|
||
goto exit;
|
||
start = cur;
|
||
/*
|
||
* Pre-process all xsl:include elements.
|
||
*/
|
||
cur = start;
|
||
while ((cur != NULL) &&
|
||
xsltParseFindTopLevelElem(cctxt, cur,
|
||
BAD_CAST "include", XSLT_NAMESPACE, 0, &cur) == 1)
|
||
{
|
||
xsltParseTopLevelXSLTElem(cctxt, cur, XSLT_FUNC_INCLUDE);
|
||
cur = cur->next;
|
||
}
|
||
/*
|
||
* Pre-process all xsl:namespace-alias elements.
|
||
* URGENT TODO: This won't work correctly: the order of included
|
||
* aliases and aliases defined here is significant.
|
||
*/
|
||
cur = start;
|
||
while ((cur != NULL) &&
|
||
xsltParseFindTopLevelElem(cctxt, cur,
|
||
BAD_CAST "namespace-alias", XSLT_NAMESPACE, 0, &cur) == 1)
|
||
{
|
||
xsltNamespaceAlias(cctxt->style, cur);
|
||
cur = cur->next;
|
||
}
|
||
|
||
if (cctxt->isInclude) {
|
||
/*
|
||
* If this stylesheet is intended for inclusion, then
|
||
* we will process only imports and includes.
|
||
*/
|
||
goto exit;
|
||
}
|
||
/*
|
||
* Now parse the rest of the top-level elements.
|
||
*/
|
||
xsltParseXSLTStylesheetElemCore(cctxt, node);
|
||
exit:
|
||
|
||
return(0);
|
||
}
|
||
|
||
#else /* XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseStylesheetTop:
|
||
* @style: the XSLT stylesheet
|
||
* @top: the top level "stylesheet" or "transform" element
|
||
*
|
||
* scan the top level elements of an XSL stylesheet
|
||
*/
|
||
static void
|
||
xsltParseStylesheetTop(xsltStylesheetPtr style, xmlNodePtr top) {
|
||
xmlNodePtr cur;
|
||
xmlChar *prop;
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
int templates = 0;
|
||
#endif
|
||
|
||
if ((top == NULL) || (top->type != XML_ELEMENT_NODE))
|
||
return;
|
||
|
||
prop = xmlGetNsProp(top, (const xmlChar *)"version", NULL);
|
||
if (prop == NULL) {
|
||
xsltTransformError(NULL, style, top,
|
||
"xsl:version is missing: document may not be a stylesheet\n");
|
||
if (style != NULL) style->warnings++;
|
||
} else {
|
||
if ((!xmlStrEqual(prop, (const xmlChar *)"1.0")) &&
|
||
(!xmlStrEqual(prop, (const xmlChar *)"1.1"))) {
|
||
xsltTransformError(NULL, style, top,
|
||
"xsl:version: only 1.1 features are supported\n");
|
||
if (style != NULL) {
|
||
style->forwards_compatible = 1;
|
||
style->warnings++;
|
||
}
|
||
}
|
||
xmlFree(prop);
|
||
}
|
||
|
||
/*
|
||
* process xsl:import elements
|
||
*/
|
||
cur = top->children;
|
||
while (cur != NULL) {
|
||
if (IS_BLANK_NODE(cur)) {
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
if (IS_XSLT_ELEM(cur) && IS_XSLT_NAME(cur, "import")) {
|
||
if (xsltParseStylesheetImport(style, cur) != 0)
|
||
if (style != NULL) style->errors++;
|
||
} else
|
||
break;
|
||
cur = cur->next;
|
||
}
|
||
|
||
/*
|
||
* process other top-level elements
|
||
*/
|
||
while (cur != NULL) {
|
||
if (IS_BLANK_NODE(cur)) {
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
if (cur->type == XML_TEXT_NODE) {
|
||
if (cur->content != NULL) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"misplaced text node: '%s'\n", cur->content);
|
||
}
|
||
if (style != NULL) style->errors++;
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
if ((cur->type == XML_ELEMENT_NODE) && (cur->ns == NULL)) {
|
||
xsltGenericError(xsltGenericErrorContext,
|
||
"Found a top-level element %s with null namespace URI\n",
|
||
cur->name);
|
||
if (style != NULL) style->errors++;
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
if ((cur->type == XML_ELEMENT_NODE) && (!(IS_XSLT_ELEM(cur)))) {
|
||
xsltTopLevelFunction function;
|
||
|
||
function = xsltExtModuleTopLevelLookup(cur->name,
|
||
cur->ns->href);
|
||
if (function != NULL)
|
||
function(style, cur);
|
||
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseStylesheetTop : found foreign element %s\n",
|
||
cur->name);
|
||
#endif
|
||
cur = cur->next;
|
||
continue;
|
||
}
|
||
if (IS_XSLT_NAME(cur, "import")) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseStylesheetTop: ignoring misplaced import element\n");
|
||
if (style != NULL) style->errors++;
|
||
} else if (IS_XSLT_NAME(cur, "include")) {
|
||
if (xsltParseStylesheetInclude(style, cur) != 0)
|
||
if (style != NULL) style->errors++;
|
||
} else if (IS_XSLT_NAME(cur, "strip-space")) {
|
||
xsltParseStylesheetStripSpace(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "preserve-space")) {
|
||
xsltParseStylesheetPreserveSpace(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "output")) {
|
||
xsltParseStylesheetOutput(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "key")) {
|
||
xsltParseStylesheetKey(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "decimal-format")) {
|
||
xsltParseStylesheetDecimalFormat(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "attribute-set")) {
|
||
xsltParseStylesheetAttributeSet(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "variable")) {
|
||
xsltParseGlobalVariable(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "param")) {
|
||
xsltParseGlobalParam(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "template")) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
templates++;
|
||
#endif
|
||
xsltParseStylesheetTemplate(style, cur);
|
||
} else if (IS_XSLT_NAME(cur, "namespace-alias")) {
|
||
xsltNamespaceAlias(style, cur);
|
||
} else {
|
||
if ((style != NULL) && (style->forwards_compatible == 0)) {
|
||
xsltTransformError(NULL, style, cur,
|
||
"xsltParseStylesheetTop: unknown %s element\n",
|
||
cur->name);
|
||
if (style != NULL) style->errors++;
|
||
}
|
||
}
|
||
cur = cur->next;
|
||
}
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"parsed %d templates\n", templates);
|
||
#endif
|
||
}
|
||
|
||
#endif /* else of XSLT_REFACTORED */
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
/**
|
||
* xsltParseSimplifiedStylesheetTree:
|
||
*
|
||
* @style: the stylesheet (TODO: Change this to the compiler context)
|
||
* @doc: the document containing the stylesheet.
|
||
* @node: the node where the stylesheet is rooted at
|
||
*
|
||
* Returns 0 in case of success, a positive result if an error occurred
|
||
* and -1 on API and internal errors.
|
||
*/
|
||
static int
|
||
xsltParseSimplifiedStylesheetTree(xsltCompilerCtxtPtr cctxt,
|
||
xmlDocPtr doc,
|
||
xmlNodePtr node)
|
||
{
|
||
xsltTemplatePtr templ;
|
||
|
||
if ((cctxt == NULL) || (node == NULL))
|
||
return(-1);
|
||
|
||
if (xsltParseAttrXSLTVersion(cctxt, node, 0) == XSLT_ELEMENT_CATEGORY_LRE)
|
||
{
|
||
/*
|
||
* TODO: Adjust report, since this might be an
|
||
* embedded stylesheet.
|
||
*/
|
||
xsltTransformError(NULL, cctxt->style, node,
|
||
"The attribute 'xsl:version' is missing; cannot identify "
|
||
"this document as an XSLT stylesheet document.\n");
|
||
cctxt->style->errors++;
|
||
return(1);
|
||
}
|
||
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseSimplifiedStylesheetTree: document is stylesheet\n");
|
||
#endif
|
||
|
||
/*
|
||
* Create and link the template
|
||
*/
|
||
templ = xsltNewTemplate();
|
||
if (templ == NULL) {
|
||
return(-1);
|
||
}
|
||
templ->next = cctxt->style->templates;
|
||
cctxt->style->templates = templ;
|
||
templ->match = xmlStrdup(BAD_CAST "/");
|
||
|
||
/*
|
||
* Note that we push the document-node in this special case.
|
||
*/
|
||
xsltCompilerNodePush(cctxt, (xmlNodePtr) doc);
|
||
/*
|
||
* In every case, we need to have
|
||
* the in-scope namespaces of the element, where the
|
||
* stylesheet is rooted at, regardless if it's an XSLT
|
||
* instruction or a literal result instruction (or if
|
||
* this is an embedded stylesheet).
|
||
*/
|
||
cctxt->inode->inScopeNs =
|
||
xsltCompilerBuildInScopeNsList(cctxt, node);
|
||
/*
|
||
* Parse the content and register the match-pattern.
|
||
*/
|
||
xsltParseSequenceConstructor(cctxt, node);
|
||
xsltCompilerNodePop(cctxt, (xmlNodePtr) doc);
|
||
|
||
templ->elem = (xmlNodePtr) doc;
|
||
templ->content = node;
|
||
xsltAddTemplate(cctxt->style, templ, NULL, NULL);
|
||
cctxt->style->literal_result = 1;
|
||
return(0);
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
/**
|
||
* xsltRestoreDocumentNamespaces:
|
||
* @ns: map of namespaces
|
||
* @doc: the document
|
||
*
|
||
* Restore the namespaces for the document
|
||
*
|
||
* Returns 0 in case of success, -1 in case of failure
|
||
*/
|
||
int
|
||
xsltRestoreDocumentNamespaces(xsltNsMapPtr ns, xmlDocPtr doc)
|
||
{
|
||
if (doc == NULL)
|
||
return(-1);
|
||
/*
|
||
* Revert the changes we have applied to the namespace-URIs of
|
||
* ns-decls.
|
||
*/
|
||
while (ns != NULL) {
|
||
if ((ns->doc == doc) && (ns->ns != NULL)) {
|
||
ns->ns->href = ns->origNsName;
|
||
ns->origNsName = NULL;
|
||
ns->ns = NULL;
|
||
}
|
||
ns = ns->next;
|
||
}
|
||
return(0);
|
||
}
|
||
#endif /* XSLT_REFACTORED_XSLT_NSCOMP */
|
||
|
||
/**
|
||
* xsltParseStylesheetProcess:
|
||
* @style: the XSLT stylesheet (the current stylesheet-level)
|
||
* @doc: and xmlDoc parsed XML
|
||
*
|
||
* Parses an XSLT stylesheet, adding the associated structures.
|
||
* Called by:
|
||
* xsltParseStylesheetImportedDoc() (xslt.c)
|
||
* xsltParseStylesheetInclude() (imports.c)
|
||
*
|
||
* Returns the value of the @style parameter if everything
|
||
* went right, NULL if something went amiss.
|
||
*/
|
||
xsltStylesheetPtr
|
||
xsltParseStylesheetProcess(xsltStylesheetPtr style, xmlDocPtr doc)
|
||
{
|
||
xsltCompilerCtxtPtr cctxt;
|
||
xmlNodePtr cur;
|
||
int oldIsSimplifiedStylesheet;
|
||
|
||
xsltInitGlobals();
|
||
|
||
if ((style == NULL) || (doc == NULL))
|
||
return(NULL);
|
||
|
||
cctxt = XSLT_CCTXT(style);
|
||
|
||
cur = xmlDocGetRootElement(doc);
|
||
if (cur == NULL) {
|
||
xsltTransformError(NULL, style, (xmlNodePtr) doc,
|
||
"xsltParseStylesheetProcess : empty stylesheet\n");
|
||
return(NULL);
|
||
}
|
||
oldIsSimplifiedStylesheet = cctxt->simplified;
|
||
|
||
if ((IS_XSLT_ELEM(cur)) &&
|
||
((IS_XSLT_NAME(cur, "stylesheet")) ||
|
||
(IS_XSLT_NAME(cur, "transform")))) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseStylesheetProcess : found stylesheet\n");
|
||
#endif
|
||
cctxt->simplified = 0;
|
||
style->literal_result = 0;
|
||
} else {
|
||
cctxt->simplified = 1;
|
||
style->literal_result = 1;
|
||
}
|
||
/*
|
||
* Pre-process the stylesheet if not already done before.
|
||
* This will remove PIs and comments, merge adjacent
|
||
* text nodes, internalize strings, etc.
|
||
*/
|
||
if (! style->nopreproc)
|
||
xsltParsePreprocessStylesheetTree(cctxt, cur);
|
||
/*
|
||
* Parse and compile the stylesheet.
|
||
*/
|
||
if (style->literal_result == 0) {
|
||
if (xsltParseXSLTStylesheetElem(cctxt, cur) != 0)
|
||
return(NULL);
|
||
} else {
|
||
if (xsltParseSimplifiedStylesheetTree(cctxt, doc, cur) != 0)
|
||
return(NULL);
|
||
}
|
||
|
||
cctxt->simplified = oldIsSimplifiedStylesheet;
|
||
|
||
return(style);
|
||
}
|
||
|
||
#else /* XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseStylesheetProcess:
|
||
* @ret: the XSLT stylesheet (the current stylesheet-level)
|
||
* @doc: and xmlDoc parsed XML
|
||
*
|
||
* Parses an XSLT stylesheet, adding the associated structures.
|
||
* Called by:
|
||
* xsltParseStylesheetImportedDoc() (xslt.c)
|
||
* xsltParseStylesheetInclude() (imports.c)
|
||
*
|
||
* Returns the value of the @style parameter if everything
|
||
* went right, NULL if something went amiss.
|
||
*/
|
||
xsltStylesheetPtr
|
||
xsltParseStylesheetProcess(xsltStylesheetPtr ret, xmlDocPtr doc) {
|
||
xmlNodePtr cur;
|
||
|
||
xsltInitGlobals();
|
||
|
||
if (doc == NULL)
|
||
return(NULL);
|
||
if (ret == NULL)
|
||
return(ret);
|
||
|
||
/*
|
||
* First steps, remove blank nodes,
|
||
* locate the xsl:stylesheet element and the
|
||
* namespace declaration.
|
||
*/
|
||
cur = xmlDocGetRootElement(doc);
|
||
if (cur == NULL) {
|
||
xsltTransformError(NULL, ret, (xmlNodePtr) doc,
|
||
"xsltParseStylesheetProcess : empty stylesheet\n");
|
||
return(NULL);
|
||
}
|
||
|
||
if ((IS_XSLT_ELEM(cur)) &&
|
||
((IS_XSLT_NAME(cur, "stylesheet")) ||
|
||
(IS_XSLT_NAME(cur, "transform")))) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseStylesheetProcess : found stylesheet\n");
|
||
#endif
|
||
ret->literal_result = 0;
|
||
xsltParseStylesheetExcludePrefix(ret, cur, 1);
|
||
xsltParseStylesheetExtPrefix(ret, cur, 1);
|
||
} else {
|
||
xsltParseStylesheetExcludePrefix(ret, cur, 0);
|
||
xsltParseStylesheetExtPrefix(ret, cur, 0);
|
||
ret->literal_result = 1;
|
||
}
|
||
if (!ret->nopreproc) {
|
||
xsltPreprocessStylesheet(ret, cur);
|
||
}
|
||
if (ret->literal_result == 0) {
|
||
xsltParseStylesheetTop(ret, cur);
|
||
} else {
|
||
xmlChar *prop;
|
||
xsltTemplatePtr template;
|
||
|
||
/*
|
||
* the document itself might be the template, check xsl:version
|
||
*/
|
||
prop = xmlGetNsProp(cur, (const xmlChar *)"version", XSLT_NAMESPACE);
|
||
if (prop == NULL) {
|
||
xsltTransformError(NULL, ret, cur,
|
||
"xsltParseStylesheetProcess : document is not a stylesheet\n");
|
||
return(NULL);
|
||
}
|
||
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseStylesheetProcess : document is stylesheet\n");
|
||
#endif
|
||
|
||
if ((!xmlStrEqual(prop, (const xmlChar *)"1.0")) &&
|
||
(!xmlStrEqual(prop, (const xmlChar *)"1.1"))) {
|
||
xsltTransformError(NULL, ret, cur,
|
||
"xsl:version: only 1.1 features are supported\n");
|
||
ret->forwards_compatible = 1;
|
||
ret->warnings++;
|
||
}
|
||
xmlFree(prop);
|
||
|
||
/*
|
||
* Create and link the template
|
||
*/
|
||
template = xsltNewTemplate();
|
||
if (template == NULL) {
|
||
return(NULL);
|
||
}
|
||
template->next = ret->templates;
|
||
ret->templates = template;
|
||
template->match = xmlStrdup((const xmlChar *)"/");
|
||
|
||
/*
|
||
* parse the content and register the pattern
|
||
*/
|
||
xsltParseTemplateContent(ret, (xmlNodePtr) doc);
|
||
template->elem = (xmlNodePtr) doc;
|
||
template->content = doc->children;
|
||
xsltAddTemplate(ret, template, NULL, NULL);
|
||
ret->literal_result = 1;
|
||
}
|
||
|
||
return(ret);
|
||
}
|
||
|
||
#endif /* else of XSLT_REFACTORED */
|
||
|
||
/**
|
||
* xsltParseStylesheetImportedDoc:
|
||
* @doc: an xmlDoc parsed XML
|
||
* @parentStyle: pointer to the parent stylesheet (if it exists)
|
||
*
|
||
* parse an XSLT stylesheet building the associated structures
|
||
* except the processing not needed for imported documents.
|
||
*
|
||
* Returns a new XSLT stylesheet structure.
|
||
*/
|
||
|
||
xsltStylesheetPtr
|
||
xsltParseStylesheetImportedDoc(xmlDocPtr doc,
|
||
xsltStylesheetPtr parentStyle) {
|
||
xsltStylesheetPtr retStyle;
|
||
|
||
if (doc == NULL)
|
||
return(NULL);
|
||
|
||
retStyle = xsltNewStylesheetInternal(parentStyle);
|
||
if (retStyle == NULL)
|
||
return(NULL);
|
||
|
||
if (xsltParseStylesheetUser(retStyle, doc) != 0) {
|
||
xsltFreeStylesheet(retStyle);
|
||
return(NULL);
|
||
}
|
||
|
||
return(retStyle);
|
||
}
|
||
|
||
/**
|
||
* xsltParseStylesheetUser:
|
||
* @style: pointer to the stylesheet
|
||
* @doc: an xmlDoc parsed XML
|
||
*
|
||
* Parse an XSLT stylesheet with a user-provided stylesheet struct.
|
||
*
|
||
* Returns 0 if successful, -1 in case of error.
|
||
*/
|
||
int
|
||
xsltParseStylesheetUser(xsltStylesheetPtr style, xmlDocPtr doc) {
|
||
if ((style == NULL) || (doc == NULL))
|
||
return(-1);
|
||
|
||
/*
|
||
* Adjust the string dict.
|
||
*/
|
||
if (doc->dict != NULL) {
|
||
xmlDictFree(style->dict);
|
||
style->dict = doc->dict;
|
||
#ifdef WITH_XSLT_DEBUG
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"reusing dictionary from %s for stylesheet\n",
|
||
doc->URL);
|
||
#endif
|
||
xmlDictReference(style->dict);
|
||
}
|
||
|
||
/*
|
||
* TODO: Eliminate xsltGatherNamespaces(); we must not restrict
|
||
* the stylesheet to containt distinct namespace prefixes.
|
||
*/
|
||
xsltGatherNamespaces(style);
|
||
|
||
#ifdef XSLT_REFACTORED
|
||
{
|
||
xsltCompilerCtxtPtr cctxt;
|
||
xsltStylesheetPtr oldCurSheet;
|
||
|
||
if (style->parent == NULL) {
|
||
xsltPrincipalStylesheetDataPtr principalData;
|
||
/*
|
||
* Create extra data for the principal stylesheet.
|
||
*/
|
||
principalData = xsltNewPrincipalStylesheetData();
|
||
if (principalData == NULL) {
|
||
return(-1);
|
||
}
|
||
style->principalData = principalData;
|
||
/*
|
||
* Create the compilation context
|
||
* ------------------------------
|
||
* (only once; for the principal stylesheet).
|
||
* This is currently the only function where the
|
||
* compilation context is created.
|
||
*/
|
||
cctxt = xsltCompilationCtxtCreate(style);
|
||
if (cctxt == NULL) {
|
||
return(-1);
|
||
}
|
||
style->compCtxt = (void *) cctxt;
|
||
cctxt->style = style;
|
||
cctxt->dict = style->dict;
|
||
cctxt->psData = principalData;
|
||
/*
|
||
* Push initial dummy node info.
|
||
*/
|
||
cctxt->depth = -1;
|
||
xsltCompilerNodePush(cctxt, (xmlNodePtr) doc);
|
||
} else {
|
||
/*
|
||
* Imported stylesheet.
|
||
*/
|
||
cctxt = style->parent->compCtxt;
|
||
style->compCtxt = cctxt;
|
||
}
|
||
/*
|
||
* Save the old and set the current stylesheet structure in the
|
||
* compilation context.
|
||
*/
|
||
oldCurSheet = cctxt->style;
|
||
cctxt->style = style;
|
||
|
||
style->doc = doc;
|
||
xsltParseStylesheetProcess(style, doc);
|
||
|
||
cctxt->style = oldCurSheet;
|
||
if (style->parent == NULL) {
|
||
/*
|
||
* Pop the initial dummy node info.
|
||
*/
|
||
xsltCompilerNodePop(cctxt, (xmlNodePtr) doc);
|
||
} else {
|
||
/*
|
||
* Clear the compilation context of imported
|
||
* stylesheets.
|
||
* TODO: really?
|
||
*/
|
||
/* style->compCtxt = NULL; */
|
||
}
|
||
|
||
#ifdef XSLT_REFACTORED_XSLT_NSCOMP
|
||
if (style->errors != 0) {
|
||
/*
|
||
* Restore all changes made to namespace URIs of ns-decls.
|
||
*/
|
||
if (cctxt->psData->nsMap)
|
||
xsltRestoreDocumentNamespaces(cctxt->psData->nsMap, doc);
|
||
}
|
||
#endif
|
||
|
||
if (style->parent == NULL) {
|
||
xsltCompilationCtxtFree(style->compCtxt);
|
||
style->compCtxt = NULL;
|
||
}
|
||
}
|
||
|
||
#else /* XSLT_REFACTORED */
|
||
/*
|
||
* Old behaviour.
|
||
*/
|
||
style->doc = doc;
|
||
if (xsltParseStylesheetProcess(style, doc) == NULL) {
|
||
style->doc = NULL;
|
||
return(-1);
|
||
}
|
||
#endif /* else of XSLT_REFACTORED */
|
||
|
||
if (style->errors != 0) {
|
||
/*
|
||
* Detach the doc from the stylesheet; otherwise the doc
|
||
* will be freed in xsltFreeStylesheet().
|
||
*/
|
||
style->doc = NULL;
|
||
/*
|
||
* Cleanup the doc if its the main stylesheet.
|
||
*/
|
||
if (style->parent == NULL)
|
||
xsltCleanupStylesheetTree(doc, xmlDocGetRootElement(doc));
|
||
return(-1);
|
||
}
|
||
|
||
if (style->parent == NULL)
|
||
xsltResolveStylesheetAttributeSet(style);
|
||
|
||
return(0);
|
||
}
|
||
|
||
/**
|
||
* xsltParseStylesheetDoc:
|
||
* @doc: and xmlDoc parsed XML
|
||
*
|
||
* parse an XSLT stylesheet, building the associated structures. doc
|
||
* is kept as a reference within the returned stylesheet, so changes
|
||
* to doc after the parsing will be reflected when the stylesheet
|
||
* is applied, and the doc is automatically freed when the
|
||
* stylesheet is closed.
|
||
*
|
||
* Returns a new XSLT stylesheet structure.
|
||
*/
|
||
|
||
xsltStylesheetPtr
|
||
xsltParseStylesheetDoc(xmlDocPtr doc) {
|
||
xsltInitGlobals();
|
||
|
||
return(xsltParseStylesheetImportedDoc(doc, NULL));
|
||
}
|
||
|
||
/**
|
||
* xsltParseStylesheetFile:
|
||
* @filename: the filename/URL to the stylesheet
|
||
*
|
||
* Load and parse an XSLT stylesheet
|
||
*
|
||
* Returns a new XSLT stylesheet structure.
|
||
*/
|
||
|
||
xsltStylesheetPtr
|
||
xsltParseStylesheetFile(const xmlChar* filename) {
|
||
xsltSecurityPrefsPtr sec;
|
||
xsltStylesheetPtr ret;
|
||
xmlDocPtr doc;
|
||
|
||
xsltInitGlobals();
|
||
|
||
if (filename == NULL)
|
||
return(NULL);
|
||
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltParseStylesheetFile : parse %s\n", filename);
|
||
#endif
|
||
|
||
/*
|
||
* Security framework check
|
||
*/
|
||
sec = xsltGetDefaultSecurityPrefs();
|
||
if (sec != NULL) {
|
||
int res;
|
||
|
||
res = xsltCheckRead(sec, NULL, filename);
|
||
if (res <= 0) {
|
||
if (res == 0)
|
||
xsltTransformError(NULL, NULL, NULL,
|
||
"xsltParseStylesheetFile: read rights for %s denied\n",
|
||
filename);
|
||
return(NULL);
|
||
}
|
||
}
|
||
|
||
doc = xsltDocDefaultLoader(filename, NULL, XSLT_PARSE_OPTIONS,
|
||
NULL, XSLT_LOAD_START);
|
||
if (doc == NULL) {
|
||
xsltTransformError(NULL, NULL, NULL,
|
||
"xsltParseStylesheetFile : cannot parse %s\n", filename);
|
||
return(NULL);
|
||
}
|
||
ret = xsltParseStylesheetDoc(doc);
|
||
if (ret == NULL) {
|
||
xmlFreeDoc(doc);
|
||
return(NULL);
|
||
}
|
||
|
||
return(ret);
|
||
}
|
||
|
||
/************************************************************************
|
||
* *
|
||
* Handling of Stylesheet PI *
|
||
* *
|
||
************************************************************************/
|
||
|
||
#define CUR (*cur)
|
||
#define SKIP(val) cur += (val)
|
||
#define NXT(val) cur[(val)]
|
||
#define SKIP_BLANKS \
|
||
while (IS_BLANK(CUR)) NEXT
|
||
#define NEXT ((*cur) ? cur++ : cur)
|
||
|
||
/**
|
||
* xsltParseStylesheetPI:
|
||
* @value: the value of the PI
|
||
*
|
||
* This function checks that the type is text/xml and extracts
|
||
* the URI-Reference for the stylesheet
|
||
*
|
||
* Returns the URI-Reference for the stylesheet or NULL (it need to
|
||
* be freed by the caller)
|
||
*/
|
||
static xmlChar *
|
||
xsltParseStylesheetPI(const xmlChar *value) {
|
||
const xmlChar *cur;
|
||
const xmlChar *start;
|
||
xmlChar *val;
|
||
xmlChar tmp;
|
||
xmlChar *href = NULL;
|
||
int isXml = 0;
|
||
|
||
if (value == NULL)
|
||
return(NULL);
|
||
|
||
cur = value;
|
||
while (CUR != 0) {
|
||
SKIP_BLANKS;
|
||
if ((CUR == 't') && (NXT(1) == 'y') && (NXT(2) == 'p') &&
|
||
(NXT(3) == 'e')) {
|
||
SKIP(4);
|
||
SKIP_BLANKS;
|
||
if (CUR != '=')
|
||
continue;
|
||
NEXT;
|
||
if ((CUR != '\'') && (CUR != '"'))
|
||
continue;
|
||
tmp = CUR;
|
||
NEXT;
|
||
start = cur;
|
||
while ((CUR != 0) && (CUR != tmp))
|
||
NEXT;
|
||
if (CUR != tmp)
|
||
continue;
|
||
val = xmlStrndup(start, cur - start);
|
||
NEXT;
|
||
if (val == NULL)
|
||
return(NULL);
|
||
if ((xmlStrcasecmp(val, BAD_CAST "text/xml")) &&
|
||
(xmlStrcasecmp(val, BAD_CAST "text/xsl"))) {
|
||
xmlFree(val);
|
||
break;
|
||
}
|
||
isXml = 1;
|
||
xmlFree(val);
|
||
} else if ((CUR == 'h') && (NXT(1) == 'r') && (NXT(2) == 'e') &&
|
||
(NXT(3) == 'f')) {
|
||
SKIP(4);
|
||
SKIP_BLANKS;
|
||
if (CUR != '=')
|
||
continue;
|
||
NEXT;
|
||
if ((CUR != '\'') && (CUR != '"'))
|
||
continue;
|
||
tmp = CUR;
|
||
NEXT;
|
||
start = cur;
|
||
while ((CUR != 0) && (CUR != tmp))
|
||
NEXT;
|
||
if (CUR != tmp)
|
||
continue;
|
||
if (href == NULL)
|
||
href = xmlStrndup(start, cur - start);
|
||
NEXT;
|
||
} else {
|
||
while ((CUR != 0) && (!IS_BLANK(CUR)))
|
||
NEXT;
|
||
}
|
||
|
||
}
|
||
|
||
if (!isXml) {
|
||
if (href != NULL)
|
||
xmlFree(href);
|
||
href = NULL;
|
||
}
|
||
return(href);
|
||
}
|
||
|
||
/**
|
||
* xsltLoadStylesheetPI:
|
||
* @doc: a document to process
|
||
*
|
||
* This function tries to locate the stylesheet PI in the given document
|
||
* If found, and if contained within the document, it will extract
|
||
* that subtree to build the stylesheet to process @doc (doc itself will
|
||
* be modified). If found but referencing an external document it will
|
||
* attempt to load it and generate a stylesheet from it. In both cases,
|
||
* the resulting stylesheet and the document need to be freed once the
|
||
* transformation is done.
|
||
*
|
||
* Returns a new XSLT stylesheet structure or NULL if not found.
|
||
*/
|
||
xsltStylesheetPtr
|
||
xsltLoadStylesheetPI(xmlDocPtr doc) {
|
||
xmlNodePtr child;
|
||
xsltStylesheetPtr ret = NULL;
|
||
xmlChar *href = NULL;
|
||
xmlURIPtr URI;
|
||
|
||
xsltInitGlobals();
|
||
|
||
if (doc == NULL)
|
||
return(NULL);
|
||
|
||
/*
|
||
* Find the text/xml stylesheet PI id any before the root
|
||
*/
|
||
child = doc->children;
|
||
while ((child != NULL) && (child->type != XML_ELEMENT_NODE)) {
|
||
if ((child->type == XML_PI_NODE) &&
|
||
(xmlStrEqual(child->name, BAD_CAST "xml-stylesheet"))) {
|
||
href = xsltParseStylesheetPI(child->content);
|
||
if (href != NULL)
|
||
break;
|
||
}
|
||
child = child->next;
|
||
}
|
||
|
||
/*
|
||
* If found check the href to select processing
|
||
*/
|
||
if (href != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltLoadStylesheetPI : found PI href=%s\n", href);
|
||
#endif
|
||
URI = xmlParseURI((const char *) href);
|
||
if (URI == NULL) {
|
||
xsltTransformError(NULL, NULL, child,
|
||
"xml-stylesheet : href %s is not valid\n", href);
|
||
xmlFree(href);
|
||
return(NULL);
|
||
}
|
||
if ((URI->fragment != NULL) && (URI->scheme == NULL) &&
|
||
(URI->opaque == NULL) && (URI->authority == NULL) &&
|
||
(URI->server == NULL) && (URI->user == NULL) &&
|
||
(URI->path == NULL) && (URI->query == NULL)) {
|
||
xmlAttrPtr ID;
|
||
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltLoadStylesheetPI : Reference to ID %s\n", href);
|
||
#endif
|
||
if (URI->fragment[0] == '#')
|
||
ID = xmlGetID(doc, (const xmlChar *) &(URI->fragment[1]));
|
||
else
|
||
ID = xmlGetID(doc, (const xmlChar *) URI->fragment);
|
||
if (ID == NULL) {
|
||
xsltTransformError(NULL, NULL, child,
|
||
"xml-stylesheet : no ID %s found\n", URI->fragment);
|
||
} else {
|
||
xmlDocPtr fake;
|
||
xmlNodePtr subtree, newtree;
|
||
xmlNsPtr ns;
|
||
|
||
#ifdef WITH_XSLT_DEBUG
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"creating new document from %s for embedded stylesheet\n",
|
||
doc->URL);
|
||
#endif
|
||
/*
|
||
* move the subtree in a new document passed to
|
||
* the stylesheet analyzer
|
||
*/
|
||
subtree = ID->parent;
|
||
fake = xmlNewDoc(NULL);
|
||
if (fake != NULL) {
|
||
/*
|
||
* Should the dictionary still be shared even though
|
||
* the nodes are being copied rather than moved?
|
||
*/
|
||
fake->dict = doc->dict;
|
||
xmlDictReference(doc->dict);
|
||
#ifdef WITH_XSLT_DEBUG
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"reusing dictionary from %s for embedded stylesheet\n",
|
||
doc->URL);
|
||
#endif
|
||
|
||
newtree = xmlDocCopyNode(subtree, fake, 1);
|
||
|
||
fake->URL = xmlNodeGetBase(doc, subtree->parent);
|
||
#ifdef WITH_XSLT_DEBUG
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"set base URI for embedded stylesheet as %s\n",
|
||
fake->URL);
|
||
#endif
|
||
|
||
/*
|
||
* Add all namespaces in scope of embedded stylesheet to
|
||
* root element of newly created stylesheet document
|
||
*/
|
||
while ((subtree = subtree->parent) != (xmlNodePtr)doc) {
|
||
for (ns = subtree->ns; ns; ns = ns->next) {
|
||
xmlNewNs(newtree, ns->href, ns->prefix);
|
||
}
|
||
}
|
||
|
||
xmlAddChild((xmlNodePtr)fake, newtree);
|
||
ret = xsltParseStylesheetDoc(fake);
|
||
if (ret == NULL)
|
||
xmlFreeDoc(fake);
|
||
}
|
||
}
|
||
} else {
|
||
xmlChar *URL, *base;
|
||
|
||
/*
|
||
* Reference to an external stylesheet
|
||
*/
|
||
|
||
base = xmlNodeGetBase(doc, (xmlNodePtr) doc);
|
||
URL = xmlBuildURI(href, base);
|
||
if (URL != NULL) {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltLoadStylesheetPI : fetching %s\n", URL);
|
||
#endif
|
||
ret = xsltParseStylesheetFile(URL);
|
||
xmlFree(URL);
|
||
} else {
|
||
#ifdef WITH_XSLT_DEBUG_PARSING
|
||
xsltGenericDebug(xsltGenericDebugContext,
|
||
"xsltLoadStylesheetPI : fetching %s\n", href);
|
||
#endif
|
||
ret = xsltParseStylesheetFile(href);
|
||
}
|
||
if (base != NULL)
|
||
xmlFree(base);
|
||
}
|
||
xmlFreeURI(URI);
|
||
xmlFree(href);
|
||
}
|
||
return(ret);
|
||
}
|