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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2000 Frederik Holljen (frederik.holljen (at) hig.no)
      4  * Copyright (C) 2001 Peter Kelly (pmk (at) post.com)
      5  * Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com)
      6  * Copyright (C) 2004, 2008 Apple Inc. All rights reserved.
      7  *
      8  * This library is free software; you can redistribute it and/or
      9  * modify it under the terms of the GNU Library General Public
     10  * License as published by the Free Software Foundation; either
     11  * version 2 of the License, or (at your option) any later version.
     12  *
     13  * This library is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * Library General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU Library General Public License
     19  * along with this library; see the file COPYING.LIB.  If not, write to
     20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21  * Boston, MA 02110-1301, USA.
     22  *
     23  */
     24 
     25 #ifndef Traversal_h
     26 #define Traversal_h
     27 
     28 #include "ScriptState.h"
     29 #include <wtf/RefPtr.h>
     30 
     31 namespace WebCore {
     32 
     33     class Node;
     34     class NodeFilter;
     35 
     36     class Traversal {
     37     public:
     38         Node* root() const { return m_root.get(); }
     39         unsigned whatToShow() const { return m_whatToShow; }
     40         NodeFilter* filter() const { return m_filter.get(); }
     41         bool expandEntityReferences() const { return m_expandEntityReferences; }
     42 
     43     protected:
     44         Traversal(PassRefPtr<Node>, unsigned whatToShow, PassRefPtr<NodeFilter>, bool expandEntityReferences);
     45         short acceptNode(ScriptState*, Node*) const;
     46 
     47     private:
     48         RefPtr<Node> m_root;
     49         unsigned m_whatToShow;
     50         RefPtr<NodeFilter> m_filter;
     51         bool m_expandEntityReferences;
     52     };
     53 
     54 } // namespace WebCore
     55 
     56 #endif // Traversal_h
     57