--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/dom/TreeWalker.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
+ * Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
+ * Copyright (C) 2004 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 TreeWalker_h
+#define TreeWalker_h
+
+#include "Traversal.h"
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+    typedef int ExceptionCode;
+
+    class TreeWalker : public Traversal {
+    public:
+        TreeWalker(Node*, unsigned whatToShow, PassRefPtr<NodeFilter>, bool expandEntityReferences);
+
+        Node* currentNode() const { return m_current.get(); }
+        void setCurrentNode(Node*, ExceptionCode&);
+
+        Node* parentNode();
+        Node* firstChild();
+        Node* lastChild();
+        Node* previousSibling();
+        Node* nextSibling();
+        Node* previousNode();
+        Node* nextNode();
+
+    private:
+        // convenience for when it is known there will be no exception
+        void setCurrentNode(Node*);
+        bool ancestorRejected(const Node*) const;
+
+        RefPtr<Node> m_current;
+    };
+
+} // namespace WebCore
+
+#endif // TreeWalker_h