cleaned up the code w.r.t. handling of 'non-standard' libxml element like

* libxslt/functions.c libxslt/keys.c libxslt/transform.c
  libxslt/xsltutils.h: cleaned up the code w.r.t. handling
  of 'non-standard' libxml element like namespace nodes.
* tests/docs/Makefile.am tests/docs/bug-54.xml
  tests/general/Makefile.am tests/general/bug-54.*: added a
  specific example in the regression tests
Daniel

ChangeLog

@@ -1,3 +1,12 @@
+Sun Aug 12 21:53:13 CEST 2001 Daniel Veillard <daniel@veillard.com>
+
+	* libxslt/functions.c libxslt/keys.c libxslt/transform.c 
+	  libxslt/xsltutils.h: cleaned up the code w.r.t. handling
+	  of 'non-standard' libxml element like namespace nodes.
+	* tests/docs/Makefile.am tests/docs/bug-54.xml
+	  tests/general/Makefile.am tests/general/bug-54.*: added a 
+	  specific example in the regression tests
+
 Wed Aug  8 22:57:05 CEST 2001 Daniel Veillard <daniel@veillard.com>
 
 	* HACKING: added John Fleck right to commit in the doc subdir

libxslt/functions.c

@@ -189,7 +189,8 @@ xsltDocumentFunction(xmlXPathParserContextPtr ctxt, int nargs){
 	valuePush(ctxt, xmlXPathNewNodeSet(NULL));
     } else {
 	if ((obj2 != NULL) && (obj2->nodesetval != NULL) &&
-	      (obj2->nodesetval->nodeNr > 0)) {
+	    (obj2->nodesetval->nodeNr > 0) &&
+	    IS_XSLT_REAL_NODE(obj2->nodesetval->nodeTab[0])) {
 	    xmlNodePtr target;
 
 	    target = obj2->nodesetval->nodeTab[0];

libxslt/keys.c

@@ -405,29 +405,31 @@ xsltInitCtxtKey(xsltTransformContextPtr ctxt, xsltDocumentPtr doc,
 	goto error;
 
     for (i = 0;i < nodelist->nodeNr;i++) {
-	ctxt->node = nodelist->nodeTab[i];
+	if (IS_XSLT_REAL_NODE(nodelist->nodeTab[i])) {
-	str = xsltEvalXPathString(ctxt, keyd->usecomp);
+	    ctxt->node = nodelist->nodeTab[i];
-	if (str != NULL) {
+	    str = xsltEvalXPathString(ctxt, keyd->usecomp);
+	    if (str != NULL) {
 #ifdef WITH_XSLT_DEBUG_KEYS
-	    xsltGenericDebug(xsltGenericDebugContext,
+		xsltGenericDebug(xsltGenericDebugContext,
-		 "xsl:key : node associated to(%s,%s)\n",
+		     "xsl:key : node associated to(%s,%s)\n",
-		             keyd->name, str);
+				 keyd->name, str);
 #endif
-	    keylist = xmlHashLookup(table->keys, str);
+		keylist = xmlHashLookup(table->keys, str);
-	    if (keylist == NULL) {
+		if (keylist == NULL) {
-		keylist = xmlXPathNodeSetCreate(nodelist->nodeTab[i]);
+		    keylist = xmlXPathNodeSetCreate(nodelist->nodeTab[i]);
-		xmlHashAddEntry(table->keys, str, keylist);
+		    xmlHashAddEntry(table->keys, str, keylist);
+		} else {
+		    xmlXPathNodeSetAdd(keylist, nodelist->nodeTab[i]);
+		}
+		nodelist->nodeTab[i]->_private = keyd;
+		xmlFree(str);
+#ifdef WITH_XSLT_DEBUG_KEYS
 	    } else {
-		xmlXPathNodeSetAdd(keylist, nodelist->nodeTab[i]);
+		xsltGenericDebug(xsltGenericDebugContext,
-	    }
+		     "xsl:key : use %s failed to return a string\n",
-	    nodelist->nodeTab[i]->_private = keyd;
+				 keyd->use);
-	    xmlFree(str);
-#ifdef WITH_XSLT_DEBUG_KEYS
-	} else {
-	    xsltGenericDebug(xsltGenericDebugContext,
-		 "xsl:key : use %s failed to return a string\n",
-		             keyd->use);
 #endif
+	    }
 	}
     }
 

libxslt/transform.c

@@ -586,6 +586,8 @@ xsltCopyTree(xsltTransformContextPtr ctxt, xmlNodePtr node,
 	    return((xmlNodePtr)
 		   xsltCopyProp(ctxt, insert, (xmlAttrPtr) node));
         case XML_NAMESPACE_DECL:
+	    if (insert->type != XML_ELEMENT_NODE)
+		return(NULL);
 	    return((xmlNodePtr)
 		   xsltCopyNamespaceList(ctxt, insert, (xmlNsPtr) node));
 	    
@@ -912,7 +914,8 @@ xsltProcessOneNode(xsltTransformContextPtr ctxt, xmlNodePtr node,
     /*
      * Cleanup children empty nodes if asked for
      */
-    if ((node->children != NULL) &&
+    if ((IS_XSLT_REAL_NODE(node)) &&
+	(node->children != NULL) &&
 	(xsltFindElemSpaceHandling(ctxt, node))) {
 	xmlNodePtr delete = NULL, cur = node->children;
 
@@ -2260,7 +2263,8 @@ xsltCopyOf(xsltTransformContextPtr ctxt, xmlNodePtr node,
 #endif
 	    list = res->nodesetval;
 	    if ((list != NULL) && (list->nodeTab != NULL) &&
-		(list->nodeTab[0] != NULL)) {
+		(list->nodeTab[0] != NULL) &&
+		(IS_XSLT_REAL_NODE(list->nodeTab[0]))) {
 		xsltCopyTreeList(ctxt, list->nodeTab[0]->children,
 			         ctxt->insert);
 	    }
@@ -2682,9 +2686,10 @@ xsltApplyTemplates(xsltTransformContextPtr ctxt, xmlNodePtr node,
 	ctxt->node = list->nodeTab[i];
 	ctxt->xpathCtxt->proximityPosition = i + 1;
 	/* For a 'select' nodeset, need to check if document has changed */
-	if ( (list->nodeTab[i]->doc!=NULL) &&
+	if ((IS_XSLT_REAL_NODE(list->nodeTab[i])) &&
-	     (list->nodeTab[i]->doc->doc!=NULL) &&
+	    (list->nodeTab[i]->doc!=NULL) &&
-	     (list->nodeTab[i]->doc->doc)!=ctxt->xpathCtxt->doc) {	  
+	    (list->nodeTab[i]->doc->doc!=NULL) &&
+	    (list->nodeTab[i]->doc->doc)!=ctxt->xpathCtxt->doc) {	  
 	    /* The nodeset is from another document, so must change */
 	    ctxt->xpathCtxt->doc=list->nodeTab[i]->doc->doc;
 	    if ((ctxt->document =
@@ -2696,7 +2701,7 @@ xsltApplyTemplates(xsltTransformContextPtr ctxt, xmlNodePtr node,
 	    }
 	    ctxt->xpathCtxt->node = list->nodeTab[i];
 #ifdef WITH_XSLT_DEBUG_PROCESS
-	xsltGenericDebug(xsltGenericDebugContext,
+	    xsltGenericDebug(xsltGenericDebugContext,
 	     "xsltApplyTemplates: Changing document - context doc %s, xpathdoc %s\n",
 	     ctxt->document->doc->URL, ctxt->xpathCtxt->doc->URL);
 #endif
@@ -3016,9 +3021,10 @@ xsltForEach(xsltTransformContextPtr ctxt, xmlNodePtr node,
 	ctxt->node = list->nodeTab[i];
 	ctxt->xpathCtxt->proximityPosition = i + 1;
 	/* For a 'select' nodeset, need to check if document has changed */
-	if ( (list->nodeTab[i]->doc!=NULL) &&
+	if ((IS_XSLT_REAL_NODE(list->nodeTab[i])) &&
-	     (list->nodeTab[i]->doc->doc!=NULL) &&
+	    (list->nodeTab[i]->doc!=NULL) &&
-	     (list->nodeTab[i]->doc->doc)!=ctxt->xpathCtxt->doc) {	  
+	    (list->nodeTab[i]->doc->doc!=NULL) &&
+	    (list->nodeTab[i]->doc->doc)!=ctxt->xpathCtxt->doc) {	  
 	    /* The nodeset is from another document, so must change */
 	    ctxt->xpathCtxt->doc=list->nodeTab[i]->doc->doc;
 	    if ((ctxt->document =

libxslt/xsltutils.h

@@ -60,6 +60,30 @@ extern "C" {
 #define IS_XSLT_NAME(n, val)						\
     (xmlStrEqual((n)->name, (const xmlChar *) (val)))
 
+/**
+ * IS_XSLT_REAL_NODE:
+ *
+ * check that a node is a 'real' one: document, element, text or attribute
+ */
+#ifdef LIBXML_DOCB_ENABLED
+#define IS_XSLT_REAL_NODE(n)						\
+    (((n) != NULL) &&							\
+     (((n)->type == XML_ELEMENT_NODE) ||				\
+      ((n)->type == XML_TEXT_NODE) ||					\
+      ((n)->type == XML_ATTRIBUTE_NODE) ||				\
+      ((n)->type == XML_DOCUMENT_NODE) ||				\
+      ((n)->type == XML_HTML_DOCUMENT_NODE) ||				\
+      ((n)->type == XML_DOCB_DOCUMENT_NODE)))
+#else
+#define IS_XSLT_REAL_NODE(n)						\
+    (((n) != NULL) &&							\
+     (((n)->type == XML_ELEMENT_NODE) ||				\
+      ((n)->type == XML_TEXT_NODE) ||					\
+      ((n)->type == XML_ATTRIBUTE_NODE) ||				\
+      ((n)->type == XML_DOCUMENT_NODE) ||				\
+      ((n)->type == XML_HTML_DOCUMENT_NODE)))
+#endif
+
 /*
  * Our own version of namespaced atributes lookup
  */

tests/docs/Makefile.am

@@ -56,6 +56,7 @@ EXTRA_DIST =	\
 	bug-50-.xml \
 	bug-52-.xml \
 	bug-53-.xml \
+	bug-54-.xml \
 	character.xml \
 	array.xml \
 	items.xml

tests/docs/bug-54.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0"?>
+<all>
+<one xmlns="http://www.test1.com">1</one>
+<two xmlns="http://www.test2.com">2</two>
+</all>

tests/general/Makefile.am

@@ -58,6 +58,7 @@ EXTRA_DIST = \
     bug-50-.out bug-50-.xsl \
     bug-52-.out bug-52-.xsl \
     bug-53-.out bug-53-.xsl \
+    bug-54-.out bug-54-.xsl \
     character.out character.xsl \
     character2.out character2.xsl \
     itemschoose.out itemschoose.xsl \

tests/general/bug-54.out

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root xmlns:libxslt="http://xmlsoft.org/XSLT/namespace" xmlns:test1="http://www.test1.com" xmlns:test2="http://www.test2.com" xmlns="http://www.test1.com">
+
+
+</root>

tests/general/bug-54.xsl

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet
+        version="1.0"
+        xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+        xmlns:libxslt="http://xmlsoft.org/XSLT/namespace"
+        xmlns:test1="http://www.test1.com"
+        xmlns:test2="http://www.test2.com"
+        >
+<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
+
+<xsl:template match="/all/*">
+        <xsl:for-each select="namespace::*">
+                <xsl:copy-of select="."/>
+        </xsl:for-each>
+</xsl:template>
+<xsl:template match="/">
+    <root>
+    <xsl:apply-templates/>
+    </root>
+</xsl:template>
+
+</xsl:stylesheet>