From 4509fb9d5d9bc423e34f6a944191b6309e9d0b74 Mon Sep 17 00:00:00 2001
From: Rob Richards <rrichards@php.net>
Date: Sun, 28 Aug 2005 16:22:03 +0000
Subject: [PATCH] Fixed bug #34276 (setAttributeNS doesn't work with default
 namespace) Add test

---
 ext/dom/element.c           | 53 +++++++++++++++++++++++++++++++++++--
 ext/dom/tests/bug34276.phpt | 43 ++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100644 ext/dom/tests/bug34276.phpt

diff --git a/ext/dom/element.c b/ext/dom/element.c
index 26fb297488..68e63c061c 100644
--- a/ext/dom/element.c
+++ b/ext/dom/element.c
@@ -501,6 +501,42 @@ PHP_FUNCTION(dom_element_get_attribute_ns)
 }
 /* }}} end dom_element_get_attribute_ns */
 
+static xmlNsPtr _dom_new_reconNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns) {
+    xmlNsPtr def;
+    xmlChar prefix[50];
+    int counter = 1;
+
+	if ((tree == NULL) || (ns == NULL) || (ns->type != XML_NAMESPACE_DECL)) {
+		return NULL;
+	}
+
+	/* Code taken from libxml2 (2.6.20) xmlNewReconciliedNs
+	 *
+	 * Find a close prefix which is not already in use.
+	 * Let's strip namespace prefixes longer than 20 chars !
+	 */
+	if (ns->prefix == NULL)
+		snprintf((char *) prefix, sizeof(prefix), "default");
+	else
+		snprintf((char *) prefix, sizeof(prefix), "%.20s", (char *)ns->prefix);
+
+	def = xmlSearchNs(doc, tree, prefix);
+	while (def != NULL) {
+		if (counter > 1000) return(NULL);
+		if (ns->prefix == NULL)
+			snprintf((char *) prefix, sizeof(prefix), "default%d", counter++);
+		else
+			snprintf((char *) prefix, sizeof(prefix), "%.20s%d", 
+			(char *)ns->prefix, counter++);
+		def = xmlSearchNs(doc, tree, prefix);
+	}
+
+	/*
+	 * OK, now we are ready to create a new one.
+	 */
+	def = xmlNewNs(tree, ns->href, prefix);
+	return(def);
+}
 
 /* {{{ proto void dom_element_set_attribute_ns(string namespaceURI, string qualifiedName, string value);
 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElSetAttrNS
@@ -550,8 +586,21 @@ PHP_FUNCTION(dom_element_set_attribute_ns)
 				nsptr = dom_get_nsdecl(elemp, localname);
 			} else {
 				nsptr = xmlSearchNsByHref(elemp->doc, elemp, uri);
-				while (nsptr && nsptr->prefix == NULL) {
-					nsptr = nsptr->next;
+				if (nsptr && nsptr->prefix == NULL) {
+					xmlNsPtr tmpnsptr;
+
+					tmpnsptr = nsptr->next;
+					while (tmpnsptr) {
+						if ((tmpnsptr->prefix != NULL) && (tmpnsptr->href != NULL) && 
+							(xmlStrEqual(tmpnsptr->href, (xmlChar *) uri))) {
+							nsptr = tmpnsptr;
+							break;
+						}
+						tmpnsptr = tmpnsptr->next;
+					}
+					if (tmpnsptr == NULL) {
+						nsptr = _dom_new_reconNs(elemp->doc, elemp, nsptr);
+					}
 				}
 			}
 
diff --git a/ext/dom/tests/bug34276.phpt b/ext/dom/tests/bug34276.phpt
new file mode 100644
index 0000000000..e1083364a5
--- /dev/null
+++ b/ext/dom/tests/bug34276.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Bug # 34276: setAttributeNS and default namespace
+--SKIPIF--
+<?php require_once('skipif.php'); ?>
+--FILE--
+<?php
+$xml = <<<HERE
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<foo xmlns="http://www.example.com/ns/foo"
+     xmlns:fubar="http://www.example.com/ns/fubar" attra="attra" />
+HERE;
+
+function dump($elems) {
+	foreach ($elems as $elem) {
+		var_dump($elem->nodeName);
+		dump($elem->childNodes);
+	}
+}
+
+$dom = new DOMDocument();
+$dom->loadXML($xml);
+$foo = $dom->documentElement;
+var_dump($foo->hasAttributeNS('http://www.example.com/ns/foo', 'attra'));
+var_dump($foo->getAttributeNS('http://www.example.com/ns/foo', 'attra'));
+
+$foo->setAttributeNS('http://www.example.com/ns/foo', 'attra', 'attranew');
+$foo->setAttributeNS('http://www.example.com/ns/fubar', 'attrb', 'attrbnew');
+$foo->setAttributeNS('http://www.example.com/ns/foo', 'attrc', 'attrc');
+
+var_dump($foo->getAttributeNS('http://www.example.com/ns/foo', 'attra'));
+var_dump($foo->getAttributeNS('http://www.example.com/ns/fubar', 'attrb'));
+var_dump($foo->getAttributeNS('http://www.example.com/ns/foo', 'attrc'));
+
+print $dom->saveXML();
+?>
+--EXPECT--
+bool(false)
+string(0) ""
+string(8) "attranew"
+string(8) "attrbnew"
+string(5) "attrc"
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<foo xmlns="http://www.example.com/ns/foo" xmlns:fubar="http://www.example.com/ns/fubar" xmlns:default="http://www.example.com/ns/foo" attra="attra" default:attra="attranew" fubar:attrb="attrbnew" default:attrc="attrc"/>
-- 
2.40.0