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/*
* 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 "bindings/v8/ScriptWrappable.h"
#include "core/dom/NodeFilterCondition.h"
#include "platform/heap/Handle.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class NodeFilter FINAL : public RefCountedWillBeGarbageCollectedFinalized<NodeFilter>, public ScriptWrappable {
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 PassRefPtrWillBeRawPtr<NodeFilter> create(PassRefPtrWillBeRawPtr<NodeFilterCondition> condition)
{
return adoptRefWillBeNoop(new NodeFilter(condition));
}
static PassRefPtrWillBeRawPtr<NodeFilter> create()
{
return adoptRefWillBeNoop(new NodeFilter());
}
short acceptNode(Node*, ExceptionState&) const;
void setCondition(PassRefPtrWillBeRawPtr<NodeFilterCondition> condition)
{
m_condition = condition;
}
void trace(Visitor*);
private:
explicit NodeFilter(PassRefPtrWillBeRawPtr<NodeFilterCondition> condition) : m_condition(condition)
{
ScriptWrappable::init(this);
}
NodeFilter()
{
ScriptWrappable::init(this);
}
RefPtrWillBeMember<NodeFilterCondition> m_condition;
};
} // namespace WebCore
#endif // NodeFilter_h
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