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 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#pragma once
26
27#include "ExceptionOr.h"
28#include <wtf/RefPtr.h>
29
30namespace WebCore {
31
32class Node;
33class NodeFilter;
34
35class NodeIteratorBase {
36public:
37 Node& root() { return m_root.get(); }
38 const Node& root() const { return m_root.get(); }
39
40 unsigned whatToShow() const { return m_whatToShow; }
41 NodeFilter* filter() const { return m_filter.get(); }
42
43protected:
44 NodeIteratorBase(Node&, unsigned whatToShow, RefPtr<NodeFilter>&&);
45 ExceptionOr<unsigned short> acceptNode(Node&);
46
47private:
48 Ref<Node> m_root;
49 RefPtr<NodeFilter> m_filter;
50 unsigned m_whatToShow;
51 bool m_isActive { false };
52};
53
54} // namespace WebCore
55