/* | |
* 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, 2009 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 NodeFilter_h | |
#define NodeFilter_h | |
#include "NodeFilterCondition.h" | |
#include <wtf/PassRefPtr.h> | |
#include <wtf/RefPtr.h> | |
namespace WebCore { | |
class NodeFilter : public RefCounted<NodeFilter> { | |
public: | |
/** | |
* The following constants are returned by the acceptNode() | |
* method: | |
*/ | |
enum { | |
FILTER_ACCEPT = 1, | |
FILTER_REJECT = 2, | |
FILTER_SKIP = 3 | |
}; | |
/** | |
* These are the available values for the whatToShow parameter. | |
* They are the same as the set of possible types for Node, and | |
* their values are derived by using a bit position corresponding | |
* to the value of NodeType for the equivalent node type. | |
*/ | |
enum { | |
SHOW_ALL = 0xFFFFFFFF, | |
SHOW_ELEMENT = 0x00000001, | |
SHOW_ATTRIBUTE = 0x00000002, | |
SHOW_TEXT = 0x00000004, | |
SHOW_CDATA_SECTION = 0x00000008, | |
SHOW_ENTITY_REFERENCE = 0x00000010, | |
SHOW_ENTITY = 0x00000020, | |
SHOW_PROCESSING_INSTRUCTION = 0x00000040, | |
SHOW_COMMENT = 0x00000080, | |
SHOW_DOCUMENT = 0x00000100, | |
SHOW_DOCUMENT_TYPE = 0x00000200, | |
SHOW_DOCUMENT_FRAGMENT = 0x00000400, | |
SHOW_NOTATION = 0x00000800 | |
}; | |
static PassRefPtr<NodeFilter> create(PassRefPtr<NodeFilterCondition> condition) | |
{ | |
return adoptRef(new NodeFilter(condition)); | |
} | |
short acceptNode(ScriptState*, Node*) const; | |
void markAggregate(JSC::MarkStack& markStack) { m_condition->markAggregate(markStack); }; | |
// Do not call these functions. They are just scaffolding to support the Objective-C bindings. | |
// They operate in the main thread normal world, and they swallow JS exceptions. | |
short acceptNode(Node* node) const { return acceptNode(scriptStateFromNode(mainThreadNormalWorld(), node), node); } | |
private: | |
NodeFilter(PassRefPtr<NodeFilterCondition> condition) : m_condition(condition) { } | |
RefPtr<NodeFilterCondition> m_condition; | |
}; | |
} // namespace WebCore | |
#endif // NodeFilter_h |