Make a workaround for PHP's broken clone_node().

diff --git a/php/xml-template.php b/php/xml-template.php
index d7e8aef7428d4817fd03b3121be80271bcc20498..bbc76f2bf12afd9f7a4883b32a0a85749810cd39 100644 (file)
--- a/php/xml-template.php
+++ b/php/xml-template.php
@@ -18,7 +18,7 @@ function XML_Template_process($node, $obj, $clean = 1)
                        $obj = $obj->document_element();
                }
 
-               $newobj = $obj->clone_node(true);
+               $newobj = own_clone_node($obj, $node->owner_document());
                $node->append_child($newobj);
 
                XML_Template_process($newobj, array(), $clean);
@@ -83,7 +83,7 @@ function XML_Template_process($node, $obj, $clean = 1)
                }
 
                foreach ($obj as $instance) {
-                       $newnode = $frag->clone_node(true);
+                       $newnode = own_clone_node($frag, $frag->owner_document());
                        $node->append_child($newnode);
                        XML_Template_process($newnode, $instance, $clean);
                        if ($clean) {
@@ -142,6 +142,35 @@ function XML_Template_alternate($tag, $array, $elems)
 
        return $array;
 }
+               
+# Ideally, this would be "return $obj->clone_node(true)". But surprise, surprise,
+# PHP is buggy (at least PHP4); it removes the prefix information from all attributes
+# during a clone. IOW, we'll have to clone evverything ourselves.
+function own_clone_node($node, $doc)
+{
+       // we only need these two
+       if ($node->node_type() == XML_ELEMENT_NODE) {
+               $newnode = $doc->create_element_ns($node->namespace_uri(), $node->node_name(), $node->prefix());
+               $attrs = $node->attributes();
+               if (isset($attrs)) {
+                       foreach ($node->attributes() as $attr) {
+                               // set_attribute_node() does not exist...
+                               $prefix = $attr->prefix();
+                               if (isset($prefix)) {
+                                       $newnode->set_attribute($prefix . ":" . $attr->name(), $attr->value());
+                               } else {
+                                       $newnode->set_attribute($attr->name(), $attr->value());
+                               }
+                       }
+               }
+               foreach ($node->child_nodes() as $child) {
+                       $newnode->append_child(own_clone_node($child, $doc));
+               }
+               return $newnode;
+       } else {
+               return $node->clone_node(true);
+       }
+}
 
 function is_associative_array($arr)
 {