WebCore/dom/Traversal.h

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3  * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
   4  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
   5  * Copyright (C) 2006 Samuel Weinig (sam.weinig@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/Forward.h>
  30 #include <wtf/RefPtr.h>
  31
  32 namespace WebCore {
  33
  34     class Node;
  35     class NodeFilter;
  36
  37     class Traversal {
  38     public:
  39         Node* root() const { return m_root.get(); }
  40         unsigned whatToShow() const { return m_whatToShow; }
  41         NodeFilter* filter() const { return m_filter.get(); }
  42         bool expandEntityReferences() const { return m_expandEntityReferences; }
  43
  44     protected:
  45         Traversal(PassRefPtr<Node>, unsigned whatToShow, PassRefPtr<NodeFilter>, bool expandEntityReferences);
  46         short acceptNode(ScriptState*, Node*) const;
  47
  48     private:
  49         RefPtr<Node> m_root;
  50         unsigned m_whatToShow;
  51         RefPtr<NodeFilter> m_filter;
  52         bool m_expandEntityReferences;
  53     };
  54
  55 } // namespace WebCore
  56
  57 #endif // Traversal_h