chregu          Mon Jan  6 05:00:57 2003 EDT

  Modified files:              (Branch: PHP_4_3)
    /php4/ext/domxml    php_domxml.c 
  Log:
  - fix crash in domxml_node_insert_before() (by Lukas Schr�der)
  
  
Index: php4/ext/domxml/php_domxml.c
diff -u php4/ext/domxml/php_domxml.c:1.218.2.6 php4/ext/domxml/php_domxml.c:1.218.2.7
--- php4/ext/domxml/php_domxml.c:1.218.2.6      Mon Jan  6 03:48:38 2003
+++ php4/ext/domxml/php_domxml.c        Mon Jan  6 05:00:34 2003
@@ -16,7 +16,7 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id: php_domxml.c,v 1.218.2.6 2003/01/06 08:48:38 chregu Exp $ */
+/* $Id: php_domxml.c,v 1.218.2.7 2003/01/06 10:00:34 chregu Exp $ */
 
 /* TODO
  * - Support Notation Nodes
@@ -2400,9 +2400,40 @@
 
        DOMXML_GET_OBJ(child, node, le_domxmlnodep);
 
+       new_child = NULL;
+
        if (ref != NULL) {
                DOMXML_GET_OBJ(refp, ref, le_domxmlnodep);
-               new_child = xmlAddPrevSibling(refp, child);
+               
+                /* 
+                 * The following code is from libxml2/tree.c 
+                 * libxml does free textnodes, if there are adjacent TEXT nodes
+                 * This is bad behaviour for domxml, since then we have have reference
+                 * to undefined nodes. The idea here is, that we do this text 
+comparison
+                 * by ourself and not free the nodes. and only if libxml2 won't do 
+any harm
+                 * call the function from libxml2.
+                 * The code is exactly the same as in libxml2, only xmlFreeNode was 
+taken away.
+                 */
+
+               if (child->type == XML_TEXT_NODE) {
+                       if (refp->type == XML_TEXT_NODE) {
+                               xmlChar *tmp;
+
+                               tmp = xmlStrdup(child->content);
+                               tmp = xmlStrcat(tmp, refp->content);
+                               xmlNodeSetContent(refp, tmp);
+                               xmlFree(tmp);
+                               new_child = refp;
+                       }
+                       if ((refp->prev != NULL) && (refp->prev->type == XML_TEXT_NODE)
+                               && (refp->name == refp->prev->name)) {
+                               xmlNodeAddContent(refp->prev, child->content);
+                               new_child = refp->prev;
+                       }
+               }
+
+               if (new_child == NULL)
+                       new_child = xmlAddPrevSibling(refp, child);
        } else {
                /* first unlink node, if child is already a child of parent
                        for some strange reason, this is needed



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