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 <wtf/Forward.h>
  29 #include <wtf/RefPtr.h>
  30
  31 namespace JSC {
  32     class ExecState;
  33 }
  34
  35 namespace WebCore {
  36
  37     class Node;
  38     class NodeFilter;
  39
  40     class Traversal {
  41     public:
  42         Node* root() const { return m_root.get(); }
  43         unsigned whatToShow() const { return m_whatToShow; }
  44         NodeFilter* filter() const { return m_filter.get(); }
  45         bool expandEntityReferences() const { return m_expandEntityReferences; }
  46
  47     protected:
  48         Traversal(PassRefPtr<Node>, unsigned whatToShow, PassRefPtr<NodeFilter>, bool expandEntityReferences);
  49         short acceptNode(JSC::ExecState*, Node*) const;
  50
  51     private:
  52         RefPtr<Node> m_root;
  53         unsigned m_whatToShow;
  54         RefPtr<NodeFilter> m_filter;
  55         bool m_expandEntityReferences;
  56     };
  57
  58 } // namespace WebCore
  59
  60 #endif // Traversal_h