1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no) 4 * Copyright (C) 2001 Peter Kelly (pmk@post.com) 5 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) 6 * Copyright (C) 2004, 2008, 2009 Apple Inc. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25#ifndef NodeFilterCondition_h 26#define NodeFilterCondition_h 27 28#include "ScriptState.h" 29#include <wtf/RefCounted.h> 30 31namespace JSC { 32 33class SlotVisitor; 34 35} 36 37namespace WebCore { 38 39 class Node; 40 41 class NodeFilterCondition : public RefCounted<NodeFilterCondition> { 42 public: 43 virtual ~NodeFilterCondition() { } 44 virtual short acceptNode(JSC::ExecState*, Node*) const = 0; 45 virtual void visitAggregate(JSC::SlotVisitor&) { } 46 }; 47 48} // namespace WebCore 49 50#endif // NodeFilterCondition_h 51