const int xsltLibxsltVersion = LIBXSLT_VERSION;
const int xsltLibxmlVersion = LIBXML_VERSION;
+#ifdef XSLT_REFACTORED
+
+const xmlChar *xsltConstNamespaceNameXSLT= (const xmlChar *) XSLT_NAMESPACE;
+
+static const xmlChar *xsltLibxsltDataElementNameMeta =
+ (const xmlChar *) "meta";
+
+static const xmlChar *xsltLibxsltDataElementNamespaceMeta =
+ (const xmlChar *) XSLT_DEFAULT_URL;
+
+static const xmlChar *xsltUserDataElemMarker =
+ (const xmlChar *) "User Data Element";
+
+/*
+* xsltLiteralResultMarker:
+* Marker for Literal result elements, in order to avoid multiple attempts
+* to recognize such elements in the stylesheet's tree.
+* This marker is set on node->psvi during the initial traversal
+* of a stylesheet's node tree.
+*
+const xmlChar *xsltLiteralResultMarker =
+ (const xmlChar *) "Literal Result Element";
+*/
+
+/*
+* xsltXSLTTextMarker:
+* Marker for xsl:text elements. Used to recognize xsl:text elements
+* for post-processing of the stylesheet's tree, where those
+* elements are removed from the tree.
+*/
+const xmlChar *xsltXSLTTextMarker = (const xmlChar *) "XSLT Text Element";
+
+#endif
+
/*
* Harmless but avoiding a problem when compiling against a
* libxml <= 2.3.11 without LIBXML_DEBUG_ENABLED
(((n)->type == XML_TEXT_NODE) && (xsltIsBlank((n)->content)))
/**
+ * xsltParseContentError:
+ *
+ * @style: the stylesheet
+ * @node: the node where the error occured
+ *
+ * Compile-time error function.
+ */
+static void
+xsltParseContentError(xsltStylesheetPtr style,
+ xmlNodePtr node)
+{
+ if ((style == NULL) || (node == NULL))
+ return;
+
+ if (IS_XSLT_ELEM(node))
+ xsltTransformError(NULL, style, node,
+ "The XSLT-element '%s' is not allowed at this position.\n",
+ node->name);
+ else
+ xsltTransformError(NULL, style, node,
+ "The element '%s' is not allowed at this position.\n",
+ node->name);
+ style->errors++;
+}
+
+#ifdef XSLT_REFACTORED
+#else
+/**
* exclPrefixPush:
* @style: the transformation stylesheet
- * @value: the excluded prefix to push on the stack
+ * @value: the excluded namespace name to push on the stack
*
- * Push an excluded prefix on the stack
+ * Push an excluded namespace name on the stack
*
* Returns the new index in the stack or 0 in case of error
*/
style->exclPrefixTab[style->exclPrefixNr] = 0;
return (ret);
}
+#endif
/************************************************************************
* *
/**
* xsltDecimalFormatGetByName:
- * @sheet: the XSLT stylesheet
+ * @style: the XSLT stylesheet
* @name: the decimal-format name to find
*
* Find decimal-format by name
* Returns the xsltDecimalFormatPtr
*/
xsltDecimalFormatPtr
-xsltDecimalFormatGetByName(xsltStylesheetPtr sheet, xmlChar *name)
+xsltDecimalFormatGetByName(xsltStylesheetPtr style, xmlChar *name)
{
xsltDecimalFormatPtr result = NULL;
if (name == NULL)
- return sheet->decimalFormat;
+ return style->decimalFormat;
- while (sheet != NULL) {
- for (result = sheet->decimalFormat->next;
+ while (style != NULL) {
+ for (result = style->decimalFormat->next;
result != NULL;
result = result->next) {
if (xmlStrEqual(name, result->name))
return result;
}
- sheet = xsltNextImport(sheet);
+ style = xsltNextImport(style);
}
return result;
}
if (template == NULL)
return;
if (template->match) xmlFree(template->match);
- if (template->name) xmlFree(template->name);
- if (template->nameURI) xmlFree(template->nameURI);
+/*
+* 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);
}
}
+#ifdef XSLT_REFACTORED
/**
- * xsltNewStylesheet:
+ * xsltCompilerCreate:
*
- * Create a new XSLT Stylesheet
+ * Create an XSLT compiler context.
*
- * Returns the newly allocated xsltStylesheetPtr or NULL in case of error
+ * Returns the allocated xsltCompilerCtxtPtr or NULL in case of error.
*/
-xsltStylesheetPtr
-xsltNewStylesheet(void) {
- xsltStylesheetPtr cur;
-#ifdef XSLT_REFACTORED
- xsltCompilerCtxtPtr cctxt;
-#endif
+static xsltCompilerCtxtPtr
+xsltCompilerCreate(xsltStylesheetPtr style) {
+ xsltCompilerCtxtPtr ret;
- cur = (xsltStylesheetPtr) xmlMalloc(sizeof(xsltStylesheet));
- if (cur == NULL) {
- xsltTransformError(NULL, NULL, NULL,
- "xsltNewStylesheet : malloc failed\n");
+ ret = (xsltCompilerCtxtPtr) xmlMalloc(sizeof(xsltCompilerCtxt));
+ if (ret == NULL) {
+ xsltTransformError(NULL, style, NULL,
+ "xsltCompilerCreate: allocation of compiler "
+ "context failed.\n");
return(NULL);
}
- memset(cur, 0, sizeof(xsltStylesheet));
-#ifdef XSLT_REFACTORED
+ memset(ret, 0, sizeof(xsltCompilerCtxt));
+
+ ret->errSeverity = XSLT_ERROR_SEVERITY_ERROR;
+
+ style->compCtxt = (void *) ret;
+ ret->style = style;
+ ret->tmpList = xsltPointerListCreate(20);
+ if (ret->tmpList == NULL) {
+ xmlFree(ret);
+ return(NULL);
+ }
+ ret->dict = style->dict;
+ return(ret);
+}
+
+static void
+xsltCompilerCtxtFree(xsltCompilerCtxtPtr cctxt)
+{
+ if (cctxt == NULL)
+ return;
/*
- * Create the compiler context.
+ * Free node-infos.
*/
- cctxt = (xsltCompilerCtxtPtr) xmlMalloc(sizeof(xsltCompilerCtxt));
- if (cctxt == NULL) {
- xmlFree(cur);
+ 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);
+ xmlFree(cctxt);
+}
+
+static void
+xsltFreeNamespaceMap(xsltNsMapPtr item)
+{
+ xsltNsMapPtr tmp;
+
+ while (item) {
+ tmp = item;
+ item = item->next;
+ xmlFree(tmp);
+ }
+ return;
+}
+
+static xsltNsMapPtr
+xsltNewNamespaceMapItem(xsltCompilerCtxtPtr cctxt,
+ xmlDocPtr doc,
+ xmlNodePtr elem,
+ xmlNsPtr ns)
+{
+ xsltNsMapPtr ret;
+
+ if ((cctxt == NULL) || (doc == NULL) || (elem == 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);
+}
+
+static void
+xsltFreePrincipalStylesheetData(xsltPrincipalStylesheetDataPtr data)
+{
+ if (data == NULL)
+ return;
+
+ if (data->inScopeNamespaces != NULL) {
+ int i;
+ xsltNsListPtr nsi;
+ xsltPointerListPtr list =
+ (xsltPointerListPtr) data->inScopeNamespaces;
+
+ for (i = 0; i < list->number; i++) {
+ /*
+ * REVISIT TODO: Free info of in-scope namespaces.
+ */
+ nsi = (xsltNsListPtr) 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;
+ }
+ xsltFreeNamespaceMap(data->nsMap);
+ xmlFree(data);
+}
+
+static xsltPrincipalStylesheetDataPtr
+xsltNewPrincipalStylesheetData(void)
+{
+ xsltPrincipalStylesheetDataPtr ret;
+
+ ret = (xsltPrincipalStylesheetDataPtr)
+ xmlMalloc(sizeof(xsltPrincipalStylesheetData));
+ if (ret == NULL) {
xsltTransformError(NULL, NULL, NULL,
- "xsltNewStylesheet : malloc of compilation context failed\n");
+ "xsltNewPrincipalStylesheetData: memory allocation failed.\n");
return(NULL);
}
- memset(cctxt, 0, sizeof(xsltCompilerCtxt));
- cur->compCtxt = (void *) cctxt;
- cctxt->sheet = cur;
-#endif
+ memset(ret, 0, sizeof(xsltPrincipalStylesheetData));
+
/*
- * TODO: This here seems to be the best place where to create
- * the compilation context, right?
- */
-
- cur->omitXmlDeclaration = -1;
- cur->standalone = -1;
- cur->decimalFormat = xsltNewDecimalFormat(NULL);
- cur->indent = -1;
- cur->errors = 0;
- cur->warnings = 0;
- cur->exclPrefixNr = 0;
- cur->exclPrefixMax = 0;
- cur->exclPrefixTab = NULL;
- cur->extInfos = NULL;
- cur->extrasNr = 0;
- cur->internalized = 1;
- cur->literal_result = 0;
- cur->dict = xmlDictCreate();
+ * 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 element namespace names.
+ */
+ ret->extElemNamespaces = xsltPointerListCreate(-1);
+ if (ret->extElemNamespaces == NULL)
+ goto internal_err;
+
+ return(ret);
+
+internal_err:
+
+ return(NULL);
+}
+
+#endif
+
+/**
+ * xsltNewStylesheet:
+ *
+ * Create a new XSLT Stylesheet
+ *
+ * Returns the newly allocated xsltStylesheetPtr or NULL in case of error
+ */
+xsltStylesheetPtr
+xsltNewStylesheet(void) {
+ 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->omitXmlDeclaration = -1;
+ ret->standalone = -1;
+ ret->decimalFormat = xsltNewDecimalFormat(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->dict = xmlDictCreate();
#ifdef WITH_XSLT_DEBUG
xsltGenericDebug(xsltGenericDebugContext,
- "creating dictionary for stylesheet\n");
+ "creating dictionary for stylesheet\n");
#endif
xsltInit();
- return(cur);
+ return(ret);
+
+internal_err:
+ if (ret != NULL)
+ xsltFreeStylesheet(ret);
+ return(NULL);
}
/**
/**
* xsltFreeStylesheetList:
- * @sheet: an XSLT stylesheet list
+ * @style: an XSLT stylesheet list
*
- * Free up the memory allocated by the list @sheet
+ * Free up the memory allocated by the list @style
*/
static void
-xsltFreeStylesheetList(xsltStylesheetPtr sheet) {
+xsltFreeStylesheetList(xsltStylesheetPtr style) {
xsltStylesheetPtr next;
- while (sheet != NULL) {
- next = sheet->next;
- xsltFreeStylesheet(sheet);
- sheet = next;
+ while (style != NULL) {
+ next = style->next;
+ xsltFreeStylesheet(style);
+ style = next;
}
}
-#ifdef XSLT_REFACTORED
/**
- * xsltFreeInScopeNamespaces:
- * @sheet: an XSLT stylesheet
+ * xsltCleanupStylesheetTree:
+ *
+ * @doc: the document-node
+ * @node: the element where the stylesheet is rooted at
*
- * Frees the list of in-scope namespace lists.
+ * Actually @node need not be the document-element, but
+ * currently Libxslt does not support embedeed stylesheets.
+ *
+ * Returns 0 if OK, -1 on API or internal errors.
*/
-static void
-xsltFreeInScopeNamespaces(xsltStylesheetPtr sheet)
+static int
+xsltCleanupStylesheetTree(xmlDocPtr doc, xmlNodePtr rootElem)
{
- if (sheet->inScopeNamespaces == NULL)
- return;
- else {
- int i;
- xsltNsListPtr nsi;
- xsltPointerListPtr list = sheet->inScopeNamespaces;
+ xmlNodePtr cur;
- for (i = 0; i < list->number; i++) {
+ 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) {
/*
- * REVISIT TODO: Free info of in-scope namespaces.
+ * Clear the PSVI field.
*/
- nsi = (xsltNsListPtr) list->items[i];
- if (nsi->list != NULL)
- xmlFree(nsi->list);
- xmlFree(nsi);
+ cur->psvi = NULL;
+ if (cur->children) {
+ cur = cur->children;
+ continue;
+ }
}
- xsltPointerListFree(list);
- sheet->inScopeNamespaces = NULL;
- }
- return;
-}
-static void
-xsltCompilerCtxtFree(xsltCompilerCtxtPtr cctxt)
-{
- if (cctxt == NULL)
- return;
- /*
- * Free node-infos.
- */
- if (cctxt->inodeList != NULL) {
- xsltCompilerNodeInfoPtr tmp, cur = cctxt->inodeList;
- while (cur != NULL) {
- tmp = cur;
+leave_node:
+ if (cur == rootElem)
+ break;
+ if (cur->next != NULL)
cur = cur->next;
- xmlFree(tmp);
+ else {
+ cur = cur->parent;
+ if (cur == NULL)
+ break;
+ goto leave_node;
}
}
- xmlFree(cctxt);
+ return(0);
}
-#endif
/**
* xsltFreeStylesheet:
- * @sheet: an XSLT stylesheet
+ * @style: an XSLT stylesheet
*
- * Free up the memory allocated by @sheet
+ * Free up the memory allocated by @style
*/
void
-xsltFreeStylesheet(xsltStylesheetPtr sheet)
+xsltFreeStylesheet(xsltStylesheetPtr style)
{
- if (sheet == NULL)
+ if (style == NULL)
return;
-
- xsltFreeKeys(sheet);
- xsltFreeExts(sheet);
- xsltFreeTemplateHashes(sheet);
- xsltFreeDecimalFormatList(sheet);
- xsltFreeTemplateList(sheet->templates);
- xsltFreeAttributeSetsHashes(sheet);
- xsltFreeNamespaceAliasHashes(sheet);
+
#ifdef XSLT_REFACTORED
- if (sheet->inScopeNamespaces != NULL)
- xsltFreeInScopeNamespaces(sheet);
+ /*
+ * Start with a cleanup of the main stylesheet's doc.
+ */
+ if ((style->principal == style) && (style->doc))
+ xsltCleanupStylesheetTree(style->doc,
+ xmlDocGetRootElement(style->doc));
+ /*
+ * 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);
+ }
+#else
+ /*
+ * Start with a cleanup of the main stylesheet's doc.
+ */
+ if ((style->parent == NULL) && (style->doc))
+ xsltCleanupStylesheetTree(style->doc,
+ xmlDocGetRootElement(style->doc));
#endif
- xsltFreeStyleDocuments(sheet);
- xsltFreeStylePreComps(sheet);
- xsltShutdownExts(sheet);
- if (sheet->doc != NULL)
- xmlFreeDoc(sheet->doc);
- if (sheet->variables != NULL)
- xsltFreeStackElemList(sheet->variables);
- if (sheet->cdataSection != NULL)
- xmlHashFree(sheet->cdataSection, NULL);
- if (sheet->stripSpaces != NULL)
- xmlHashFree(sheet->stripSpaces, NULL);
- if (sheet->nsHash != NULL)
- xmlHashFree(sheet->nsHash, NULL);
-
- if (sheet->exclPrefixTab != NULL)
- xmlFree(sheet->exclPrefixTab);
- if (sheet->method != NULL)
- xmlFree(sheet->method);
- if (sheet->methodURI != NULL)
- xmlFree(sheet->methodURI);
- if (sheet->version != NULL)
- xmlFree(sheet->version);
- if (sheet->encoding != NULL)
- xmlFree(sheet->encoding);
- if (sheet->doctypePublic != NULL)
- xmlFree(sheet->doctypePublic);
- if (sheet->doctypeSystem != NULL)
- xmlFree(sheet->doctypeSystem);
- if (sheet->mediaType != NULL)
- xmlFree(sheet->mediaType);
- if (sheet->attVTs)
- xsltFreeAVTList(sheet->attVTs);
-
- if (sheet->imports != NULL)
- xsltFreeStylesheetList(sheet->imports);
+
+ 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
/*
- * TODO: Just a paranoid cleanup, in case the compilation
- * context was not freed after the compilation.
+ * If this is the principal stylesheet, then
+ * free its internal data.
*/
- if (sheet->compCtxt != NULL) {
- xsltCompilerCtxtFree((xsltCompilerCtxtPtr) sheet->compCtxt);
- }
+ 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(sheet->dict);
+ xmlDictFree(style->dict);
- memset(sheet, -1, sizeof(xsltStylesheet));
- xmlFree(sheet);
+ memset(style, -1, sizeof(xsltStylesheet));
+ xmlFree(style);
}
/************************************************************************
* *
************************************************************************/
+#ifdef XSLT_REFACTORED
+ /*
+ * This is now performed in an optimized way in xsltParseXSLTTemplate.
+ */
+#else
/**
* xsltGetInheritedNsList:
* @style: the stylesheet
* <xsl:stylesheet ...
* </doc>
* Will have foo="urn:test:foo" in the list.
- * Is this a bug?
+ * Is this OK?
*/
if ((style == NULL) || (template == NULL) || (node == NULL) ||
while (cur != NULL) {
if (xmlStrEqual(cur->href, XSLT_NAMESPACE))
goto skip_ns;
+
if ((cur->prefix != NULL) &&
(xsltCheckExtPrefix(style, cur->prefix)))
goto skip_ns;
}
return (nbns);
}
+#endif /* else of XSLT_REFACTORED */
/**
* xsltParseStylesheetOutput:
} else {
xsltTransformError(NULL, style, cur,
"invalid value for standalone: %s\n", prop);
- if (style != NULL) style->warnings++;
+ style->errors++;
}
xmlFree(prop);
}
} else {
xsltTransformError(NULL, style, cur,
"invalid value for indent: %s\n", prop);
- if (style != NULL) style->warnings++;
+ style->errors++;
}
xmlFree(prop);
}
xsltTransformError(NULL, style, cur,
"invalid value for omit-xml-declaration: %s\n",
prop);
- if (style != NULL) style->warnings++;
+ style->errors++;
}
xmlFree(prop);
}
while ((*end != 0) && (!IS_BLANK(*end)))
end++;
element = xmlStrndup(element, end - element);
- if (element) {
- const xmlChar *URI;
+ if (element) {
#ifdef WITH_XSLT_DEBUG_PARSING
xsltGenericDebug(xsltGenericDebugContext,
"add cdata section output element %s\n",
element);
#endif
-
- URI = xsltGetQNameURI(cur, &element);
- if (element == NULL) {
- if (style != NULL) style->errors++;
+ 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 {
- xmlNsPtr ns;
-
- xmlHashAddEntry2(style->cdataSection, element, URI,
- (void *) "cdata");
- /*
- * if prefix is NULL, we must check whether it's
- * necessary to also put in the name of the default
- * namespace.
- */
- if (URI == NULL) {
- ns = xmlSearchNs(style->doc, cur, NULL);
- if (ns != NULL)
- xmlHashAddEntry2(style->cdataSection, element,
- ns->href, (void *) "cdata");
+ const xmlChar *URI;
+
+ 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': The value "
+ "'%s' is not a valid QName.\n", element);
+ 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);
}
- xmlFree(element);
}
}
element = end;
xmlFree(style->mediaType);
style->mediaType = prop;
}
+ if (cur->children != NULL) {
+ xsltParseContentError(style, cur->children);
+ }
}
/**
if (format->patternSeparator != NULL) xmlFree(format->patternSeparator);
format->patternSeparator = prop;
}
+ if (cur->children != NULL) {
+ xsltParseContentError(style, cur->children);
+ }
}
/**
element = end;
}
xmlFree(elements);
+ if (cur->children != NULL) {
+ xsltParseContentError(style, cur->children);
+ }
}
+#ifdef XSLT_REFACTORED
+#else
/**
* xsltParseStylesheetExtPrefix:
* @style: the XSLT stylesheet
* literal result element
* 3) TODO: an extension element."
*/
-
static void
xsltParseStylesheetExtPrefix(xsltStylesheetPtr style, xmlNodePtr cur,
int isXsltElem) {
}
xmlFree(prefixes);
}
+#endif /* else of XSLT_REFACTORED */
/**
* xsltParseStylesheetStripSpace:
element = end;
}
xmlFree(elements);
+ if (cur->children != NULL) {
+ xsltParseContentError(style, cur->children);
+ }
}
+#ifdef XSLT_REFACTORED
+#else
/**
* xsltParseStylesheetExcludePrefix:
* @style: the XSLT stylesheet
xmlFree(prefixes);
return(nb);
}
+#endif /* else of XSLT_REFACTORED */
#ifdef XSLT_REFACTORED
-static xsltCompilerNodeInfoPtr
-xsltCompilerNodePush(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
+/*
+* 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.
+*/
+xsltCompilerNodeInfoPtr
+xsltCompilerNodePush(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
{
+ xsltCompilerNodeInfoPtr inode;
+
if ((cctxt->inode != NULL) && (cctxt->inode->next != NULL)) {
- cctxt->inode = cctxt->inode->next;
+ inode = cctxt->inode->next;
} else if ((cctxt->inode == NULL) && (cctxt->inodeList != NULL)) {
- cctxt->inode = cctxt->inodeList;
+ inode = cctxt->inodeList;
} else {
/*
* Create a new node-info.
*/
- cctxt->inode = (xsltCompilerNodeInfoPtr)
+ inode = (xsltCompilerNodeInfoPtr)
xmlMalloc(sizeof(xsltCompilerNodeInfo));
- if (cctxt->inode == NULL) {
- xsltTransformError(NULL, cctxt->sheet, NULL,
+ if (inode == NULL) {
+ xsltTransformError(NULL, cctxt->style, NULL,
"xsltCompilerNodePush: malloc failed.\n");
return(NULL);
}
- memset(cctxt->inode, 0, sizeof(xsltCompilerNodeInfo));
+ memset(inode, 0, sizeof(xsltCompilerNodeInfo));
if (cctxt->inodeList == NULL)
- cctxt->inodeList = cctxt->inode;
+ cctxt->inodeList = inode;
else {
- cctxt->inodeLast->next = cctxt->inode;
- cctxt->inode->prev = cctxt->inodeLast;
+ cctxt->inodeLast->next = inode;
+ inode->prev = cctxt->inodeLast;
}
- cctxt->inodeLast = cctxt->inode;
+ cctxt->inodeLast = inode;
+ cctxt->maxNodeInfos++;
}
/*
* REVISIT TODO: Keep the reset always complete.
*/
cctxt->depth++;
- cctxt->inode->depth = cctxt->depth;
- cctxt->inode->templ = NULL;
- cctxt->inode->item = NULL;
- cctxt->inode->node = node;
+
/*
- * Inherit the list of in-scope namespaces.
+ * NOTE: Be carefull with the @node, since it might be
+ * a doc-node.
*/
- if (cctxt->inode->prev != NULL)
- cctxt->inode->inScopeNS = cctxt->inode->prev->inScopeNS;
- else
- cctxt->inode->inScopeNS = NULL;
+ 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;
- return(cctxt->inode);
+ if (inode->prev != NULL) {
+ /*
+ * Inherit the following information:
+ */
+ inode->inScopeNs = inode->prev->inScopeNs;
+ /*
+ * in-scope namespaces
+ */
+ inode->exclResultNs = inode->prev->exclResultNs;
+ /*
+ * extension-element namespaces
+ */
+ inode->extElemNs = inode->prev->extElemNs;
+ /*
+ * whitespace perservation
+ */
+ inode->preserveWhitespace = inode->prev->preserveWhitespace;
+ /*
+ * forwards-compatible mode
+ */
+ inode->forwardsCompat = inode->prev->forwardsCompat;
+ } else {
+ inode->inScopeNs = NULL;
+ inode->exclResultNs = NULL;
+ inode->extElemNs = NULL;
+ inode->preserveWhitespace = 0;
+ inode->forwardsCompat = 0;
+ }
+ cctxt->inode = inode;
+ 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)
{
xmlGenericError(xmlGenericErrorContext,
"xsltCompilerNodePop: Top-node mismatch.\n");
return;
- }
- if (cctxt->inode->node != node)
+ }
+ /*
+ * NOTE: Be carefull with the @node, since it might be
+ * a doc-node.
+ */
+ if (cctxt->inode->node != node) {
xmlGenericError(xmlGenericErrorContext,
"xsltCompilerNodePop: Node mismatch.\n");
- if (cctxt->inode->depth != cctxt->depth)
+ goto mismatch;
+ }
+ if (cctxt->inode->depth != cctxt->depth) {
xmlGenericError(xmlGenericErrorContext,
"xsltCompilerNodePop: Depth mismatch.\n");
+ goto mismatch;
+ }
cctxt->depth--;
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 xsltNsListPtr
+xsltCompilerBuildInScopeNsList(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
+{
+ xsltNsListPtr nsi = NULL;
+ xmlNsPtr *list = NULL;
+ /*
+ * 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.
+ */
+ list = xmlGetNsList(node->doc, node);
+ if (list == NULL)
+ return(NULL);
+ /*
+ * Create the info-structure.
+ */
+ nsi = (xsltNsListPtr) xmlMalloc(sizeof(xsltNsList));
+ if (nsi == NULL) {
+ xsltTransformError(NULL, cctxt->style, NULL,
+ "xsltCompilerBuildInScopeNsList: malloc failed.\n");
+ goto internal_err;
+ }
+ memset(nsi, 0, sizeof(xsltNsList));
+ nsi->list = list;
+ /*
+ * Eval the number of ns-decls; this is used to speed up
+ * XPath-context initialization.
+ */
+ while (list[nsi->number] != NULL)
+ nsi->number++;
+ /*
+ * 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;
+ }
+
+ 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);
+}
/**
- * xsltPrecomputeStylesheet:
- * @style: the XSLT stylesheet
- * @cur: the current child list
- *
- * Clean-up the stylesheet content from unwanted ignorable blank nodes
- * and run the preprocessing of all XSLT constructs.
+ * xsltCompilerUtilsCreateMergedList:
+ * @dest: the destination list (optional)
+ * @first: the first list
+ * @second: the second list (optional)
*
- * and process xslt:text
+ * Appends the content of @second to @first into @destination.
+ * If @destination is NULL a new list will be created.
*
- * URGENT TODO: In order to avoid separation of the parsing of the stylesheet's
- * node-tree, this should either only strip whitespace-only text-nodes,
- * or it should be merged completely with the stylesheet-parsing
- * functions (e.g. xsltParseStylesheetTop()).
+ * Returns the merged list of items or NULL if there's nothing to merge.
*/
-static void
-xsltPrecomputeStylesheet(xsltStylesheetPtr style, xmlNodePtr cur) {
- xmlNodePtr delete;
- int internalize = 0;
-#ifdef XSLT_REFACTORED
- xsltCompilerCtxtPtr cctxt;
-#endif
+static xsltPointerListPtr
+xsltCompilerUtilsCreateMergedList(xsltPointerListPtr first,
+ xsltPointerListPtr second)
+{
+ xsltPointerListPtr ret;
+ size_t num;
- if ((style == NULL) || (cur == NULL)
-#ifdef XSLT_REFACTORED
- ||(style->compCtxt == NULL)
-#endif
- )
- return;
+ 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);
+}
- if ((cur->doc != NULL) && (style->dict != NULL) &&
- (cur->doc->dict == style->dict))
+/*
+* 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 isXsltElem)
+{
+ xsltPointerListPtr list = NULL;
+ xmlChar *value = NULL;
+
+ if ((cctxt == NULL) || (node == NULL))
+ return(NULL);
+
+ if (isXsltElem)
+ value = xmlGetNsProp(node, BAD_CAST "exclude-result-prefixes", NULL);
+ else
+ value = xmlGetNsProp(node, BAD_CAST "exclude-result-prefixes",
+ XSLT_NAMESPACE);
+
+ if (value == NULL)
+ 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.
+ */
+ if (xsltPointerListAddSize(
+ cctxt->psData->exclResultNamespaces, list, 5) == -1)
+ {
+ xsltPointerListFree(list);
+ list = NULL;
+ goto exit;
+ }
+
+exit:
+ if (value != NULL)
+ xmlFree(value);
+ 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 isXsltElem)
+{
+ xsltPointerListPtr list = NULL;
+ xmlChar *value;
+ int i;
+
+ if ((cctxt == NULL) || (node == NULL))
+ return(NULL);
+
+ if (isXsltElem)
+ value = xmlGetNsProp(node, BAD_CAST "extension-element-prefixes", NULL);
+ else
+ value = xmlGetNsProp(node, BAD_CAST "extension-element-prefixes",
+ XSLT_NAMESPACE);
+
+ if (value == NULL)
+ 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;
+ }
+
+exit:
+ if (value != NULL)
+ xmlFree(value);
+ 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 isXsltElem)
+{
+ xmlChar *value;
+
+ if ((cctxt == NULL) || (node == NULL))
+ return(-1);
+
+ if (isXsltElem)
+ value = xmlGetNsProp(node, BAD_CAST "version", NULL);
+ else
+ value = xmlGetNsProp(node, BAD_CAST "version", XSLT_NAMESPACE);
+
+ if (value == NULL)
+ return(0);
+
+ 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;
+ }
+ xmlFree(value);
+ 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;
+ xsltNsMapPtr nsMapItem;
+
+ if ((cctxt == NULL) || (cctxt->style == NULL) ||
+ (node == NULL) || (node->type != XML_ELEMENT_NODE))
+ return(-1);
+
+ doc = node->doc;
+ if (doc == NULL)
+ return(-1);
+
+ style = cctxt->style;
+ if ((style->dict != NULL) && (doc->dict == style->dict))
internalize = 1;
else
style->internalized = 0;
-#ifdef XSLT_REFACTORED
- cctxt = (xsltCompilerCtxtPtr) style->compCtxt;
-#endif
+
/*
- * This content comes from the stylesheet
- * For stylesheets, the set of whitespace-preserving
- * element names consists of just xsl:text.
- */
- delete = NULL;
+ * 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 (delete != NULL) {
+ if (deleteNode != NULL) {
+
#ifdef WITH_XSLT_DEBUG_BLANKS
xsltGenericDebug(xsltGenericDebugContext,
- "xsltPrecomputeStylesheet: removing ignorable blank node\n");
+ "xsltParsePreprocessStylesheetTree: removing node\n");
#endif
- xmlUnlinkNode(delete);
- xmlFreeNode(delete);
- delete = NULL;
+ xmlUnlinkNode(deleteNode);
+ xmlFreeNode(deleteNode);
+ deleteNode = NULL;
}
if (cur->type == XML_ELEMENT_NODE) {
- int exclPrefixes;
+
+ /*
+ * Clear the PSVI field.
+ */
+ cur->psvi = NULL;
-#ifdef XSLT_REFACTORED
xsltCompilerNodePush(cctxt, cur);
-#endif
+
+ inXSLText = 0;
+ textNode = NULL;
+ findSpaceAttr = 1;
+ cctxt->inode->stripWhitespace = 0;
/*
- * Internalize attributes values.
- */
- if ((internalize) && (cur->properties != NULL)) {
- xmlAttrPtr prop = cur->properties;
- xmlNodePtr txt;
+ * TODO: I'd love to use a string pointer comparison here :-/
+ */
+ if (IS_XSLT_ELEM(cur)) {
+ if (cur->ns->href != nsNameXSLT) {
+ nsMapItem = xsltNewNamespaceMapItem(cctxt,
+ doc, cur, cur->ns);
+ if (nsMapItem == NULL)
+ goto internal_err;
+ cur->ns->href = nsNameXSLT;
+ }
- while (prop != NULL) {
- txt = prop->children;
- if ((txt != NULL) && (txt->type == XML_TEXT_NODE) &&
- (txt->content != NULL) &&
- (!xmlDictOwns(style->dict, txt->content))) {
- xmlChar *tmp;
+ 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; */
- /*
- * 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;
+ /*
+ * 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;
}
- }
- prop = prop->next;
+
+ 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:
/*
- * TODO: "exclude-result-prefixes"
- * SPEC 1.0:
- * "exclude-result-prefixes" is only allowed on literal
- * result elements and "xsl:exclude-result-prefixes" only
- * 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."
+ * Process attributes.
+ * ------------------
*/
- if (IS_XSLT_ELEM(cur)) {
- exclPrefixes = 0;
-#ifdef XSLT_REFACTORED
- if ((cctxt->depth == 0) && (cur->nsDef != NULL)) {
- /*
- * In every case, we need the in-scope namespaces of the
- * element, where the stylesheet is rooted at.
- * Otherwise we need to pre-compute the in-scope namespaces
- * only if there's a new ns-decl.
+ if (cur->properties != NULL) {
+ if (cur->children == NULL)
+ findSpaceAttr = 0;
+ attr = cur->properties;
+ do {
+ 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.
+ * ----------------------------
*/
- cctxt->inode->inScopeNS =
- xsltCompilerGetInScopeNSInfo(cctxt, cur);
+ 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
+xsltPrecomputeStylesheet(xsltStylesheetPtr style, xmlNodePtr cur)
+{
+ xmlNodePtr deleteNode;
+ 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;
+ /*
+ * 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,
+ "xsltPrecomputeStylesheet: 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;
}
-#endif
+ }
+ if (IS_XSLT_ELEM(cur)) {
+ exclPrefixes = 0;
xsltStylePreCompute(style, cur);
if (IS_XSLT_NAME(cur, "text")) {
for (;exclPrefixes > 0;exclPrefixes--)
goto skip_children;
}
} else {
-#ifdef XSLT_REFACTORED
- if (cctxt->depth == 0)
- cctxt->inode->inScopeNS =
- xsltCompilerGetInScopeNSInfo(cctxt, cur);
-#endif
exclPrefixes = xsltParseStylesheetExcludePrefix(style, cur, 0);
}
-
- /*
- * Remove excluded prefixes
- * TODO BUG:
- * This will incorrectly apply excluded-result-prefixes
- * of the including stylesheet to the included stylesheet.
- * We need to localize the list of excluded-prefixes for
- * every processed stylesheet.
- * SPEC 1.0: "a subtree rooted at an xsl:stylesheet element
- * does not include any stylesheets imported or included by
- * children of that xsl:stylesheet element."
- */
+
if ((cur->nsDef != NULL) && (style->exclPrefixNr > 0)) {
xmlNsPtr ns = cur->nsDef, prev = NULL, next;
xmlNodePtr root = NULL;
break;
}
}
- if (moved == 0)
- prev = ns;
- ns = next;
+ if (moved == 0)
+ prev = ns;
+ ns = next;
+ }
+ }
+ }
+ /*
+ * If we have prefixes locally, recurse and pop them up when
+ * going back
+ */
+ if (exclPrefixes > 0) {
+ xsltPrecomputeStylesheet(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) != 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
+ */
+ if (cur->children != NULL) {
+ if ((cur->children->type != XML_ENTITY_DECL) &&
+ (cur->children->type != XML_ENTITY_REF_NODE) &&
+ (cur->children->type != XML_ENTITY_NODE)) {
+ 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,
+ "xsltPrecomputeStylesheet: 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, (xmlHashDeallocator)xmlFree);
+
+#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);
+}
+
+int
+xsltParseAnyXSLTElem(xsltCompilerCtxtPtr cctxt, xmlNodePtr elem)
+{
+ if ((cctxt == NULL) || (elem == NULL) ||
+ (elem->type != XML_ELEMENT_NODE))
+ return(-1);
+
+ elem->psvi = NULL;
+
+ if (! (IS_IN_XSLT_NS(elem)))
+ return(-1);
+ /*
+ * Detection of handled content of extension elements.
+ */
+ 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(): Precompute the XSLT-instruction.
+ * This will compile the information found on the current
+ * element's attributes. NOTE that this won't process the
+ * children of the current element.
+ */
+ xsltStylePreCompute(cctxt->style, elem);
+ /*
+ * 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:
+ /* <!-- 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:
+ /* <!-- 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_IN_XSLT_NS(child)) {
+ xsltStyleType type;
+
+ type = xsltGetXSLTElementTypeByNode(cctxt, child);
+ if ((type == XSLT_FUNC_WITHPARAM) ||
+ (type == XSLT_FUNC_SORT))
+ {
+ /* cctxt->inode->type = type; */
+ 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_IN_XSLT_NS(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) {
+ xsltTransformError(NULL, cctxt->style, elem,
+ "This XSLT element must have no content.\n");
+ cctxt->style->errors++;
+ }
+ 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_IN_XSLT_NS(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_IN_XSLT_NS(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:
+ if (elem->children != NULL)
+ xsltParseSequenceConstructor(cctxt, elem->children);
+
+exit:
+ xsltCompilerNodePop(cctxt, elem);
+ return(0);
+
+internal_err:
+ xsltCompilerNodePop(cctxt, elem);
+ return(-1);
+}
+
+static int
+xsltParseForwardsCompatUnexpectedXSLTElem(xsltCompilerCtxtPtr cctxt,
+ xmlNodePtr node)
+{
+ if ((cctxt == NULL) || (node == NULL))
+ return(-1);
+
+ /*
+ * Detection of handled content of extension elements.
+ */
+ if (cctxt->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
+ cctxt->inode->extContentHandled = 1;
+ }
+
+ node->psvi = NULL;
+ 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_IN_XSLT_NS(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 elements.
+ */
+ if (cctxt->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
+ cctxt->inode->extContentHandled = 1;
+ }
+ if (cur == NULL)
+ 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 elements
+ * 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) {
+ /*
+ * Process 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_IN_XSLT_NS(cur)) {
+ /*
+ * TODO: Using the XSLT-marker is still not stable yet.
+ */
+ /* if (cur->psvi == xsltXSLTElemMarker) { */
+ /*
+ * This is element in the XSLT namespace.
+ * =====================================
+ */
+ 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:
+ /* cctxt->inode->type = type; */
+ /*
+ * Parse the XSLT element.
+ */
+ cctxt->inode->curChildType = type;
+ xsltParseAnyXSLTElem(cctxt, cur);
+ break;
+ default:
+ cur->psvi = NULL;
+ /*
+ * Ignore unknown elements in the
+ * XSLT namespace if in forwards-compatible
+ * mode.
+ */
+ if (cctxt->inode->forwardsCompat) {
+ /*
+ * This will parse xsl:fallback elements.
+ */
+ xsltParseForwardsCompatUnexpectedXSLTElem(
+ cctxt, cur);
+ } else {
+ xsltParseContentError(cctxt->style, cur);
+ }
+ cur = cur->next;
+ continue;
+ }
+ } else {
+ /*
+ * This is a non-XSLT element.
+ * ==========================
+ */
+ xsltCompilerNodePush(cctxt, cur);
+ /*
+ * The current element is either a literal result element
+ * or an extension element.
+ *
+ * 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, 0);
+ /*
+ * Eval if we have an extension element here.
+ */
+ if ((cur->ns != NULL) &&
+ (cctxt->inode->extElemNs != NULL) &&
+ (xsltCheckExtPrefix(cctxt->style, cur->ns->href) == 1))
+ {
+ /*
+ * This is an extension element.
+ * ============================
+ * 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: (xsltParseNonXSLTElement) "
+ " 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 xsltApplyOneTemplateInt() 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 element 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 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 {
+ /*
+ * This is a 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
+ */
+ cctxt->inode->category = XSLT_ELEMENT_CATEGORY_LR;
+ if (cur->properties != NULL) {
+ /*
+ * Attribute "xsl:exclude-result-prefixes".
+ */
+ cctxt->inode->exclResultNs =
+ xsltParseExclResultPrefixes(cctxt, cur,
+ cctxt->inode->exclResultNs, 0);
+ /*
+ * Attribute "xsl:version".
+ */
+ xsltParseAttrXSLTVersion(cctxt, cur, 0);
+ }
+ /*
+ * TODO: Create the literal result item.
+ * TODO: Check what this *defaultAlias* mechanism does. Do we
+ * need to create the compiled item after such namespace
+ * conversion?
+ */
+ if ((cur->ns == NULL) && (cctxt->style->defaultAlias != NULL) &&
+ (cur->type == XML_ELEMENT_NODE))
+ {
+
+ cur->ns = xmlSearchNsByHref(cur->doc, cur,
+ cctxt->style->defaultAlias);
+ }
+ 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);
}
}
- }
-
- /*
- * If we have prefixes locally, recurse and pop them up when
- * going back
- */
- if (exclPrefixes > 0) {
- xsltPrecomputeStylesheet(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) != 1) {
- delete = 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)) {
- delete = cur;
- goto skip_children;
- }
-
- /*
- * Skip to next node
- */
- if (cur->children != NULL) {
- if ((cur->children->type != XML_ENTITY_DECL) &&
- (cur->children->type != XML_ENTITY_REF_NODE) &&
- (cur->children->type != XML_ENTITY_NODE)) {
- cur = cur->children;
- continue;
+ * Leave the non-XSLT element.
+ */
+ xsltCompilerNodePop(cctxt, cur);
}
}
-#ifdef XSLT_REFACTORED
- if (cur->type == XML_ELEMENT_NODE) {
- /* Leaving the scope of an element-node. */
- xsltCompilerNodePop(cctxt, cur);
- }
-#endif
-
-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);
+ cur = cur->next;
}
- if (delete != NULL) {
-#ifdef WITH_XSLT_DEBUG_PARSING
+ if (deleteNode != NULL) {
+#ifdef WITH_XSLT_DEBUG_BLANKS
xsltGenericDebug(xsltGenericDebugContext,
- "xsltPrecomputeStylesheet: removing ignorable blank node\n");
+ "xsltParseSequenceConstructor: removing xsl:text element\n");
#endif
- xmlUnlinkNode(delete);
- xmlFreeNode(delete);
- delete = NULL;
+ xmlUnlinkNode(deleteNode);
+ xmlFreeNode(deleteNode);
+ deleteNode = NULL;
}
}
/**
- * xsltGatherNamespaces:
+ * xsltParseTemplateContent:
* @style: the XSLT stylesheet
+ * @templ: the node containing the content to be parsed
*
- * Browse the stylesheet and build the namspace hash table which
- * will be used for XPath interpretation. If needed do a bit of normalization
+ * Parses and compiles the content-model of an xsl:template element.
+ * Note that this is *not* the "template" (or "sequence constructor"
+ * in XSLT 2.0) content model. Since 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))
+ return;
-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.
- *
+ * Detection of handled content of extension elements.
*/
- 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, (xmlHashDeallocator)xmlFree);
-
-#ifdef WITH_XSLT_DEBUG_PARSING
- xsltGenericDebug(xsltGenericDebugContext,
- "Added namespace: %s mapped to %s\n", ns->prefix, ns->href);
-#endif
- }
- }
- ns = ns->next;
- }
- }
+ if (XSLT_CCTXT(style)->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
+ XSLT_CCTXT(style)->inode->extContentHandled = 1;
+ }
+ if (templ->children != NULL) {
+ xmlNodePtr child = templ->children;
/*
- * 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;
- }
-
+ * Process xsl:param elements, which can only occur as the
+ * immediate children of xsl:template (well, and of any
+ * user-defined extension element if needed).
+ */
do {
- cur = cur->parent;
- if (cur == NULL)
- break;
- if (cur == (xmlNodePtr) style->doc) {
- cur = NULL;
- break;
- }
- if (cur->next != NULL) {
- cur = cur->next;
+ if ((child->type == XML_ELEMENT_NODE) &&
+ IS_IN_XSLT_NS(child) && IS_XSLT_NAME(child, "param"))
+ {
+ XSLT_CCTXT(style)->inode->curChildType = XSLT_FUNC_PARAM;
+ xsltParseAnyXSLTElem(XSLT_CCTXT(style), child);
+ } else
break;
- }
- } while (cur != NULL);
+ 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
* Clean-up the template content from unwanted ignorable blank nodes
* and process xslt:text
*/
-
void
xsltParseTemplateContent(xsltStylesheetPtr style, xmlNodePtr templ) {
xmlNodePtr cur, delete;
}
if (IS_XSLT_ELEM(cur)) {
if (IS_XSLT_NAME(cur, "text")) {
+ /*
+ * TODO: Processing of xsl:text should be moved to
+ * xsltPrecomputeStylesheet(), 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;
delete = cur;
goto skip_children;
}
- } else if ((cur->ns != NULL) && (style->nsDefs != NULL) &&
- (xsltCheckExtPrefix(style, cur->ns->prefix))) {
+ }
+ else if ((cur->ns != NULL) && (style->nsDefs != NULL) &&
+ (xsltCheckExtPrefix(style, cur->ns->prefix)))
+ {
/*
* okay this is an extension element compile it too
*/
}
}
}
-
/*
* Skip to next node
*/
}
}
+#endif /* else XSLT_REFACTORED */
+
/**
* xsltParseStylesheetKey:
* @style: the XSLT stylesheet
xmlChar *name = NULL;
xmlChar *nameURI = NULL;
- if (key == NULL)
+ if ((style == NULL) || (key == NULL))
return;
/*
}
/*
- * register the keys
- */
- xsltAddKey(style, name, nameURI, match, use, key);
+ * 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))
+ 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;
+
+
+ /*
+ * Get inherited namespaces.
+ */
+ if (cctxt->inode->inScopeNs != NULL) {
+ int i, j;
+ xmlNsPtr ns;
+ xsltPointerListPtr extElemList = cctxt->inode->extElemNs;
+ xsltPointerListPtr exclResultList = cctxt->inode->exclResultNs;
+ xsltNsListPtr inScopeNs = cctxt->inode->inScopeNs;
+
+ for (i = 0; i < inScopeNs->number; i++) {
+ ns = inScopeNs->list[i];
+ /*
+ * Exclude the XSLT namespace.
+ */
+ if (xmlStrEqual(ns->href, XSLT_NAMESPACE))
+ goto skip_ns;
+ /*
+ * Exclude excluded result namespaces.
+ */
+ if (exclResultList) {
+ for (j = 0; j < exclResultList->number; j++)
+ if (xmlStrEqual(ns->href,
+ BAD_CAST exclResultList->items[j]))
+ goto skip_ns;
+ }
+ /*
+ * Exclude extension-element namespaces.
+ */
+ if (extElemList) {
+ for (j = 0; j < extElemList->number; j++)
+ if (xmlStrEqual(ns->href, BAD_CAST extElemList->items[j]))
+ goto skip_ns;
+ }
+ /*
+ * Add the xmlNs item.
+ */
+ if (templ->inheritedNs == NULL) {
+ templ->inheritedNs = (xmlNsPtr *) xmlMalloc(
+ inScopeNs->number * sizeof(xmlNsPtr));
+ if (templ->inheritedNs == NULL) {
+ xmlGenericError(xmlGenericErrorContext,
+ "xsltGetInheritedNsList : out of memory!\n");
+ cctxt->style->errors++;
+ goto error;
+ }
+ memset(templ->inheritedNs, 0,
+ inScopeNs->number * sizeof(xmlNsPtr));
+ }
+ templ->inheritedNs[templ->inheritedNsNr++] = ns;
+skip_ns:
+ {}
+ }
+#ifdef WITH_XSLT_DEBUG_PARSING
+ if (templ->inheritedNsNr != 0) {
+ xsltGenericDebug(xsltGenericDebugContext,
+ "xsl:template has %d inherited namespaces\n",
+ templ->inheritedNsNr);
+ }
+#endif
+ }
+
+ /*
+ * 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.
+ */
+ 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;
+
+ 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);
+
+ templ->elem = templNode;
+ templ->content = templNode->children;
+ xsltAddTemplate(cctxt->style, templ, templ->mode, templ->modeURI);
error:
- if (use != NULL)
- xmlFree(use);
- if (match != NULL)
- xmlFree(match);
- if (name != NULL)
- xmlFree(name);
- if (nameURI != NULL)
- xmlFree(nameURI);
+ xsltCompilerNodePop(cctxt, templNode);
+
+ return;
}
+#else /* XSLT_REFACTORED */
+
/**
* xsltParseStylesheetTemplate:
* @style: the XSLT stylesheet
if (prop != NULL) {
const xmlChar *URI;
xsltTemplatePtr cur;
-
- if (ret->name != NULL) {
- xmlFree(ret->name);
- ret->name = NULL;
- }
- if (ret->nameURI != NULL) {
- xmlFree(ret->nameURI);
- ret->nameURI = NULL;
- }
-
+
URI = xsltGetQNameURI(template, &prop);
if (prop == NULL) {
if (style != NULL) style->errors++;
"xsl:template : error invalid name '%s'\n", prop);
if (style != NULL) style->errors++;
goto error;
- }
- ret->name = prop;
+ }
+ ret->name = xmlDictLookup(style->dict, BAD_CAST prop, -1);
+ xmlFree(prop);
+ prop = NULL;
if (URI != NULL)
- ret->nameURI = xmlStrdup(URI);
+ ret->nameURI = xmlDictLookup(style->dict, BAD_CAST URI, -1);
else
ret->nameURI = NULL;
cur = ret->next;
while (cur != NULL) {
- if ((URI != NULL && xmlStrEqual(cur->name, prop) &&
+ if ((URI != NULL && xmlStrEqual(cur->name, ret->name) &&
xmlStrEqual(cur->nameURI, URI) ) ||
(URI == NULL && cur->nameURI == NULL &&
- xmlStrEqual(cur->name, prop))) {
+ xmlStrEqual(cur->name, ret->name))) {
xsltTransformError(NULL, style, template,
- "xsl:template: error duplicate name '%s'\n", prop);
+ "xsl:template: error duplicate name '%s'\n", ret->name);
+ style->errors++;
+ goto error;
+ }
+ cur = cur->next;
+ }
+ }
+ }
+
+ /*
+ * 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 contenxt
+ * @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))
+ 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);
+}
+
+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);
+}
+
+static int
+xsltParseMetaInfo(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
+{
+#define XSLT_MODULE_SCOPE_GLOBAL 0
+#define XSLT_MODULE_SCOPE_SSLEVEL 1
+ xmlNodePtr cur;
+ xmlChar *value = NULL, *value2 = NULL;
+ int moduleScope;
+
+ if ((cctxt == NULL) || (node == NULL) || (node->children == NULL))
+ return(-1);
+
+ /*
+ * Remove whitespace in case we had a xml:space.
+ */
+ xsltParseRemoveWhitespace(node);
+
+ cur = node->children;
+ while (cur != NULL) {
+ if (value != NULL) {
+ xmlFree(value);
+ value = NULL;
+ }
+ if (value2 != NULL) {
+ xmlFree(value2);
+ value2 = NULL;
+ }
+ /*
+ * Process the module-registration specific elements.
+ */
+ if ((cur->type == XML_ELEMENT_NODE) &&
+ (cur->ns == NULL))
+ {
+ if (xmlStrEqual(cur->name, "initialize-module")) {
+ /*
+ * TODO: Validation of attributes.
+ */
+ value = xmlGetNsProp(cur, "namespace", NULL);
+ if (value != NULL) {
+ moduleScope = XSLT_MODULE_SCOPE_GLOBAL;
+ value2 = xmlGetNsProp(cur, "scope", NULL);
+ if (value != NULL) {
+ if (xmlStrEqual(value2, "global"))
+ moduleScope = XSLT_MODULE_SCOPE_GLOBAL;
+ else if (xmlStrEqual(value2, "stylesheet-level"))
+ moduleScope = XSLT_MODULE_SCOPE_SSLEVEL;
+ else {
+ xsltTransformError(NULL, cctxt->style, cur,
+ "Attribute 'scope': Invalid value. "
+ "Only the values 'global' and "
+ "'stylesheet-level' are expected.\n");
+ }
+ }
+ /*
+ * Call the module initialization.
+ */
+ if (moduleScope == XSLT_MODULE_SCOPE_GLOBAL) {
+ /*
+ * Initialize the modle using global user-data
+ * storage. This means that this module
+ * will be initialized only *once* (regardless
+ * of the number of stylesheet-modules) and the
+ * user-data will be only stored in the main
+ * stylesheet.
+ */
+ xsltStyleGetExtData(cctxt->style, BAD_CAST value);
+ } else {
+ /*
+ * Initialize the modle using per-stylesheet
+ * user-data storage. This means that this module
+ * will be initialized (and user-data is stored)
+ * in the stylesheet at the current stylesheet-level.
+ */
+ xsltStyleStylesheetLevelGetExtData(cctxt->style,
+ BAD_CAST value);
+ }
+ goto next_item;
+ }
+ }
+ }
+ xsltParseContentError(cctxt->style, cur);
+
+next_item:
+ cur = cur->next;
+ }
+ if (value != NULL) {
+ xmlFree(value);
+ value = NULL;
+ }
+ if (value2 != NULL) {
+ xmlFree(value2);
+ value2 = NULL;
+ }
+
+ return(0);
+}
+
+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_IN_XSLT_NS(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;
+
+ /*
+ * 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, 1) == 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, 1);
+ /*
+ * Attribute "exclude-result-prefixes".
+ */
+ cctxt->inode->exclResultNs =
+ xsltParseExclResultPrefixes(cctxt, node, NULL, 1);
+
+ /*
+ * 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;
+ }
+ /*
+ * REVISIT TODO: Process Libxslt's module handling user-defined
+ * data element.
+ */
+ cur = start;
+ while ((cur != NULL) &&
+ xsltParseFindTopLevelElem(cctxt, cur,
+ xsltLibxsltDataElementNameMeta,
+ xsltLibxsltDataElementNamespaceMeta, 0, &cur) == 1)
+ {
+ if (xsltParseMetaInfo(cctxt, cur) == -1)
+ goto internal_err;
+ cur->psvi = (void *) xsltUserDataElemMarker;
+ 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;
+ }
+ if (cur->psvi == xsltUserDataElemMarker) {
+ cur->psvi = NULL;
+ cur = cur->next;
+ continue;
+ }
+ /*
+ * Process all XSLT elements.
+ */
+ if (IS_IN_XSLT_NS(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++;
- goto error;
+ cur = cur->next;
+ continue;
}
- cur = cur->next;
+ /*
+ * 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")) {
+ xsltNamespaceAlias(style, cur);
+ } 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,
+ "xsltParseStylesheetTop : found foreign element %s\n",
+ cur->name);
+#endif
}
}
+ cur = cur->next;
}
- /*
- * parse the content and register the pattern
- */
- xsltParseTemplateContent(style, template);
- ret->elem = template;
- ret->content = template->children;
- xsltAddTemplate(style, ret, ret->mode, ret->modeURI);
+exit:
+ xsltCompilerNodePop(cctxt, node);
+#ifdef WITH_XSLT_DEBUG_PARSING
+ xsltGenericDebug(xsltGenericDebugContext,
+ "parsed %d templates\n", templates);
+#endif
+ return(0);
-error:
- return;
+internal_err:
+ xsltCompilerNodePop(cctxt, node);
+ return(-1);
}
-#ifdef XSLT_REFACTORED_PARSING
-/*
-* xsltParseStylesheetTreeNew:
-*
-* Parses and compiles an XSLT stylesheet's XML tree.
-*
-* TODO: Adjust error report text.
-*/
+/**
+ * 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
-xsltParseStylesheetTreeNew(xsltStylesheetPtr sheet, xmlNodePtr cur)
+xsltParseXSLTStylesheetElem(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
{
- xsltCompilerCtxtPtr cctxt;
- xmlNodePtr top = cur;
- int depth = 0, simpleSyntax = 0;
+ xmlNodePtr cur;
- if ((cur == NULL) || (cur->type != XML_ELEMENT_NODE) ||
- (sheet == NULL) || (sheet->compCtxt == NULL))
+ if ((cctxt == NULL) || (node == NULL))
return(-1);
- cctxt = (xsltCompilerCtxtPtr) sheet->compCtxt;
-
+
+ if (node->children == NULL)
+ goto exit;
/*
- * Evalute if we have a simplified syntax.
+ * Process top-level elements:
+ * xsl:import (must be first)
+ * xsl:include (this is just a pre-processing)
*/
- 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
- /*
- * TODO: Initialize.
- */
- } else {
- simpleSyntax = 1;
- /*
- * TODO: Create the initial template.
- * TODO: Initialize.
- */
- }
+ cur = node->children;
/*
- * Reset the compiler context.
- */
- cctxt->depth = 0;
- cctxt->inode = NULL;
+ * 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;
/*
- * Initialize the in-scope namespaces. We need to have
- * the in-scope ns-decls of the first given node, regardless
- * if it's a XSLT instruction or a literal result element.
+ * Pre-process all xsl:include elements.
*/
- xsltCompilerNodePush(cctxt, cur);
- xsltCompilerGetInScopeNSInfo(cctxt, cur);
- goto next_sibling;
-
- while (cur != NULL) {
- if (cur->type == XML_ELEMENT_NODE) {
-
- }
-
-next_sibling:
- if (cur->type == XML_ELEMENT_NODE) {
- /*
- * Leaving an element.
- */
- xsltCompilerNodePop(cctxt, cur);
- }
- if (cur == top)
- break;
- if (cur->next != NULL)
- cur = cur->next;
- else {
- cur = cur->parent;
- goto next_sibling;
- }
+ while ((cur != NULL) &&
+ xsltParseFindTopLevelElem(cctxt, cur,
+ BAD_CAST "include", XSLT_NAMESPACE, 0, &cur) == 1)
+ {
+ xsltParseTopLevelXSLTElem(cctxt, cur, XSLT_FUNC_INCLUDE);
+ 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);
}
-#endif /* XSLT_REFACTORED_PARSING */
+
+#else /* XSLT_REFACTORED */
/**
* xsltParseStylesheetTop:
if (cur->type == XML_TEXT_NODE) {
if (cur->content != NULL) {
xsltTransformError(NULL, style, cur,
- "misplaced text element: '%s'\n", cur->content);
+ "misplaced text node: '%s'\n", cur->content);
}
if (style != NULL) style->errors++;
cur = cur->next;
} else if (IS_XSLT_NAME(cur, "namespace-alias")) {
xsltNamespaceAlias(style, cur);
} else {
+ /*
+ * BUG TODO: The version of the *doc* is irrelevant for
+ * the forwards-compatible mode.
+ */
if ((style != NULL) && (style->doc->version != NULL) &&
(!strncmp((const char *) style->doc->version, "1.0", 3))) {
xsltTransformError(NULL, style, cur,
#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) == 0) {
+ /*
+ * 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);
+}
+
+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->ns = NULL;
+ ns->origNsName = NULL;
+ }
+ ns = ns->next;
+ }
+ return(0);
+}
+
/**
* xsltParseStylesheetProcess:
- * @ret: the XSLT stylesheet
+ * @style: the XSLT stylesheet (the current stylesheet-level)
* @doc: and xmlDoc parsed XML
*
- * parse an XSLT stylesheet adding the associated structures
+ * Parses an XSLT stylesheet, adding the associated structures.
+ * Called by:
+ * xsltParseStylesheetImportedDoc() (xslt.c)
+ * xsltParseStylesheetInclude() (imports.c)
*
- * Returns the value of the 'ret' parameter if everything
+ * 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;
+
+
+ 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 */
xsltStylesheetPtr
xsltParseStylesheetProcess(xsltStylesheetPtr ret, xmlDocPtr doc) {
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")))) {
ret->literal_result = 1;
}
if (!ret->nopreproc) {
-#ifdef XSLT_REFACTORED
- /*
- * Reset the compiler context.
- * TODO: This all looks ugly; but note that this will go
- * into an other function; it's just temporarily here.
- */
- XSLT_CCTXT(ret)->depth = -1;
- XSLT_CCTXT(ret)->inode = NULL;
-#endif
xsltPrecomputeStylesheet(ret, cur);
-#ifdef XSLT_REFACTORED
- XSLT_CCTXT(ret)->depth = -1;
- XSLT_CCTXT(ret)->inode = NULL;
-#endif
}
-
if (ret->literal_result == 0) {
xsltParseStylesheetTop(ret, cur);
} else {
template->elem = (xmlNodePtr) doc;
template->content = doc->children;
xsltAddTemplate(ret, template, NULL, NULL);
- ret->literal_result = 1;
+ ret->literal_result = 1;
}
return(ret);
}
+#endif /* else of XSLT_REFACTORED */
+
/**
* xsltParseStylesheetImportedDoc:
* @doc: an xmlDoc parsed XML
- * @style: pointer to parent stylesheet
+ * @style: pointer to the parent stylesheet (if it exists)
*
* parse an XSLT stylesheet building the associated structures
* except the processing not needed for imported documents.
*/
xsltStylesheetPtr
-xsltParseStylesheetImportedDoc(xmlDocPtr doc, xsltStylesheetPtr style) {
- xsltStylesheetPtr ret;
+xsltParseStylesheetImportedDoc(xmlDocPtr doc,
+ xsltStylesheetPtr parentStyle) {
+ xsltStylesheetPtr retStyle;
if (doc == NULL)
return(NULL);
- ret = xsltNewStylesheet();
- if (ret == NULL)
+ retStyle = xsltNewStylesheet();
+ if (retStyle == NULL)
return(NULL);
-
+ /*
+ * Set the importing stylesheet module; also used to detect recursion.
+ */
+ retStyle->parent = parentStyle;
+ /*
+ * Adjust the string dict.
+ */
if (doc->dict != NULL) {
- xmlDictFree(ret->dict);
- ret->dict = doc->dict;
+ xmlDictFree(retStyle->dict);
+ retStyle->dict = doc->dict;
#ifdef WITH_XSLT_DEBUG
xsltGenericDebug(xsltGenericDebugContext,
- "reusing dictionary from %s for stylesheet\n",
- doc->URL);
+ "reusing dictionary from %s for stylesheet\n",
+ doc->URL);
#endif
- xmlDictReference(ret->dict);
- }
+ xmlDictReference(retStyle->dict);
+ }
- ret->doc = doc;
- ret->parent = style; /* needed to prevent loops */
- xsltGatherNamespaces(ret);
- if (xsltParseStylesheetProcess(ret, doc) == NULL) {
- ret->doc = NULL;
- xsltFreeStylesheet(ret);
- ret = NULL;
+ /*
+ * TODO: Eliminate xsltGatherNamespaces(); we must not restrict
+ * the stylesheet to containt distinct namespace prefixes.
+ */
+ xsltGatherNamespaces(retStyle);
+
+#ifdef XSLT_REFACTORED
+ {
+ xsltCompilerCtxtPtr cctxt;
+ xsltStylesheetPtr oldCurSheet;
+
+ if (parentStyle == NULL) {
+ xsltPrincipalStylesheetDataPtr principalData;
+ /*
+ * Principal stylesheet
+ * --------------------
+ */
+ retStyle->principal = retStyle;
+ /*
+ * Create extra data for the principal stylesheet.
+ */
+ principalData = xsltNewPrincipalStylesheetData();
+ if (principalData == NULL) {
+ xsltFreeStylesheet(retStyle);
+ return(NULL);
+ }
+ retStyle->principalData = principalData;
+ /*
+ * Create the compilation context (only once; for the
+ * principal stylesheet).
+ * This is currently the only function where the
+ * compilation context is created.
+ */
+ if (xsltCompilerCreate(retStyle) == NULL) {
+ xsltFreeStylesheet(retStyle);
+ return(NULL);
+ }
+ cctxt = XSLT_CCTXT(retStyle);
+ cctxt->psData = principalData;
+ /*
+ * Push initial dummy node info.
+ */
+ cctxt->depth = -1;
+ xsltCompilerNodePush(cctxt, (xmlNodePtr) doc);
+ } else {
+ /*
+ * Imported stylesheet.
+ */
+ retStyle->principal = parentStyle->principal;
+ cctxt = parentStyle->compCtxt;
+ retStyle->compCtxt = cctxt;
+ }
+ /*
+ * Save the old and set the current stylesheet structure in the
+ * compilation context.
+ */
+ oldCurSheet = cctxt->style;
+ cctxt->style = retStyle;
+
+ retStyle->doc = doc;
+ xsltParseStylesheetProcess(retStyle, doc);
+
+ cctxt->style = oldCurSheet;
+ if (parentStyle == NULL) {
+ /*
+ * Pop the initial dummy node info.
+ */
+ xsltCompilerNodePop(cctxt, (xmlNodePtr) doc);
+ } else {
+ /*
+ * Clear the compilation context of imported
+ * stylesheets.
+ * TODO: really?
+ */
+ /* retStyle->compCtxt = NULL; */
+ }
+ /*
+ * Free the stylesheet if there were errors.
+ */
+ if (retStyle != NULL) {
+ if (retStyle->errors != 0) {
+ /*
+ * Restore all changes made to namespace URIs of ns-decls.
+ */
+ if (cctxt->psData->nsMap)
+ xsltRestoreDocumentNamespaces(cctxt->psData->nsMap, doc);
+ /*
+ * Detach the doc from the stylesheet; otherwise the doc
+ * will be freed in xsltFreeStylesheet().
+ */
+ retStyle->doc = NULL;
+ /*
+ * Cleanup the doc if its the main doc.
+ */
+ if (parentStyle == NULL)
+ xsltCleanupStylesheetTree(doc, xmlDocGetRootElement(doc));
+
+ xsltFreeStylesheet(retStyle);
+ retStyle = NULL;
+ }
+ }
}
- if (ret != NULL) {
- if (ret->errors != 0) {
- ret->doc = NULL;
- xsltFreeStylesheet(ret);
- ret = NULL;
+
+#else /* XSLT_REFACTORED */
+ /*
+ * Old behaviour.
+ */
+ retStyle->doc = doc;
+ xsltParseStylesheetProcess(retStyle, doc);
+ if (retStyle != NULL) {
+ if (retStyle->errors != 0) {
+ retStyle->doc = NULL;
+ if (parentStyle == NULL)
+ xsltCleanupStylesheetTree(doc,
+ xmlDocGetRootElement(doc));
+ xsltFreeStylesheet(retStyle);
+ retStyle = NULL;
}
}
-
- return(ret);
+#endif /* else of XSLT_REFACTORED */
+
+ return(retStyle);
}
/**
* xsltParseStylesheetImportedDoc().
*/
if (ret->compCtxt != NULL) {
+ /* TEST TODO: REMOVE test output*/
+ /* printf("MAX NODE INFO: %d\n", XSLT_CCTXT(ret)->maxNodeInfos); */
xsltCompilerCtxtFree(XSLT_CCTXT(ret));
ret->compCtxt = NULL;
}
projects / platform / upstream / libxslt.git / commitdiff