diff -r 000000000000 -r 4f2f89ce4247 WebCore/css/CSSNamespace.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/css/CSSNamespace.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ *               1999 Waldo Bastian (bastian@kde.org)
+ * Copyright (C) 2004, 2006 Apple Computer, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef CSSNamespace_h
+#define CSSNamespace_h
+
+#include "AtomicString.h"
+
+namespace WebCore {
+
+    struct CSSNamespace : Noncopyable {
+        AtomicString m_prefix;
+        AtomicString m_uri;
+        CSSNamespace* m_parent;
+
+        CSSNamespace(const AtomicString& prefix, const AtomicString& uri, CSSNamespace* parent)
+            : m_prefix(prefix)
+            , m_uri(uri)
+            , m_parent(parent)
+        {
+        }
+        ~CSSNamespace() { delete m_parent; }
+
+        const AtomicString& uri() { return m_uri; }
+        const AtomicString& prefix() { return m_prefix; }
+
+        CSSNamespace* namespaceForPrefix(const AtomicString& prefix)
+        {
+            if (prefix == m_prefix)
+                return this;
+            if (m_parent)
+                return m_parent->namespaceForPrefix(prefix);
+            return 0;
+        }
+    };
+
+} // namespace WebCore
+
+#endif // CSSNamespace_h