/*
* 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 NodeIterator_h
#define NodeIterator_h
#include "Traversal.h"
namespace WebCore {
class Document;
typedef int ExceptionCode;
class NodeIterator : public Traversal {
public:
NodeIterator(Node*, unsigned whatToShow, PassRefPtr<NodeFilter>, bool expandEntityReferences);
~NodeIterator();
Node* nextNode(ExceptionCode&);
Node* previousNode(ExceptionCode&);
void detach();
Node* referenceNode() const { return m_referenceNode.get(); }
bool pointerBeforeReferenceNode() const { return m_beforeReferenceNode; }
/**
* This function has to be called if you delete a node from the
* document tree and you want the Iterator to react if there
* are any changes concerning it.
*/
void notifyBeforeNodeRemoval(Node* removed);
private:
void setReferenceNode(Node*);
void setPointerBeforeReferenceNode(bool flag = true) { m_beforeReferenceNode = flag; }
bool detached() const { return m_detached; }
void setDetached(bool flag = true) { m_detached = flag; }
Document* document() const { return m_doc.get(); }
Node* findNextNode(Node*) const;
Node* findPreviousNode(Node*) const;
RefPtr<Node> m_referenceNode;
bool m_beforeReferenceNode;
bool m_detached;
RefPtr<Document> m_doc;
};
} // namespace WebCore
#endif // NodeIterator_h