author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Fri, 08 May 2009 08:25:06 +0300 | |
changeset 8 | 7c90e6132015 |
parent 0 | dd21522fd290 |
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/* |
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* This file is part of the DOM implementation for KDE. |
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* |
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
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* (C) 1999 Antti Koivisto (koivisto@kde.org) |
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* (C) 2001 Dirk Mueller (mueller@kde.org) |
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* Copyright (C) 2004, 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#ifndef NodeList_h |
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#define NodeList_h |
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#include "Shared.h" |
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#include <wtf/Forward.h> |
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#include <wtf/RefPtr.h> |
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namespace WebCore { |
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class AtomicString; |
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class Node; |
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class NodeList : public Shared<NodeList> { |
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public: |
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struct Caches { |
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Caches(); |
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void reset(); |
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unsigned cachedLength; |
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Node* lastItem; |
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unsigned lastItemOffset; |
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bool isLengthCacheValid : 1; |
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bool isItemCacheValid : 1; |
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}; |
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NodeList(PassRefPtr<Node> rootNode); |
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NodeList(PassRefPtr<Node> rootNode, Caches*); |
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virtual ~NodeList(); |
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// DOM methods & attributes for NodeList |
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virtual unsigned length() const = 0; |
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virtual Node* item(unsigned index) const = 0; |
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Node* itemWithName(const AtomicString&) const; |
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// Other methods (not part of DOM) |
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virtual void rootNodeChildrenChanged(); |
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virtual void rootNodeAttributeChanged() {} |
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protected: |
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// helper functions for searching all ElementImpls in a tree |
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unsigned recursiveLength(Node* start = 0) const; |
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Node* recursiveItem (unsigned offset, Node* start = 0) const; |
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virtual bool nodeMatches(Node* testNode) const = 0; |
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RefPtr<Node> m_rootNode; |
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mutable Caches* m_caches; |
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bool m_ownsCaches; |
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private: |
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Node* itemForwardsFromCurrent(Node* start, unsigned offset, int remainingOffset) const; |
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Node* itemBackwardsFromCurrent(Node* start, unsigned offset, int remainingOffset) const; |
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}; |
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} //namespace |
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#endif |