/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Mozilla browser.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications, Inc.  Portions created by Netscape are
 * Copyright (C) 1999, Mozilla.  All Rights Reserved.
 * 
 * Contributor(s):
 *   Adam Lock <adamlock@netscape.com>
 */

#ifndef NSDOMWALKER_H
#define NSDOMWALKER_H

#include "nsIDOMNode.h"

class nsDOMWalkerCallback
{
public:
  virtual nsresult OnWalkDOMNode(nsIDOMNode *aNode, PRBool *aAbort) = 0;
};

class nsDOMWalker
{
public:
    nsresult WalkDOM(nsIDOMNode *aRootNode, nsDOMWalkerCallback *aCallback = nsnull);
};

#endif