| /* |
| * 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., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, 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 |