| /* |
| * 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, 2008 Apple Inc. All rights reserved. |
| * |
| * 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 TreeWalker_h |
| #define TreeWalker_h |
| |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "core/dom/NodeFilter.h" |
| #include "core/dom/NodeIteratorBase.h" |
| #include "platform/heap/Handle.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| |
| class TreeWalker final : public GarbageCollected<TreeWalker>, |
| public ScriptWrappable, |
| public NodeIteratorBase { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(TreeWalker); |
| |
| public: |
| static TreeWalker* create(Node* rootNode, |
| unsigned whatToShow, |
| NodeFilter* filter) { |
| return new TreeWalker(rootNode, whatToShow, filter); |
| } |
| |
| Node* currentNode() const { return m_current.get(); } |
| void setCurrentNode(Node*); |
| |
| Node* parentNode(ExceptionState&); |
| Node* firstChild(ExceptionState&); |
| Node* lastChild(ExceptionState&); |
| Node* previousSibling(ExceptionState&); |
| Node* nextSibling(ExceptionState&); |
| Node* previousNode(ExceptionState&); |
| Node* nextNode(ExceptionState&); |
| |
| DECLARE_TRACE(); |
| |
| DECLARE_VIRTUAL_TRACE_WRAPPERS(); |
| |
| private: |
| TreeWalker(Node*, unsigned whatToShow, NodeFilter*); |
| |
| Node* setCurrent(Node*); |
| |
| Member<Node> m_current; |
| }; |
| |
| } // namespace blink |
| |
| #endif // TreeWalker_h |