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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 #ifndef Traversal_h | |
26 #define Traversal_h | |
27 | |
28 #include "bindings/v8/ScriptState.h" | |
29 #include "wtf/RefPtr.h" | |
30 | |
31 namespace WebCore { | |
32 | |
33 class Node; | |
34 class NodeFilter; | |
35 | |
36 class Traversal { | |
37 public: | |
38 Node* root() const { return m_root.get(); } | |
39 unsigned whatToShow() const { return m_whatToShow; } | |
40 NodeFilter* filter() const { return m_filter.get(); } | |
41 // |expandEntityReferences| first appeared in "DOM Level 2 Traversal and
Range". However, this argument was | |
42 // never implemented, and, in DOM4, the function argument |expandEntityR
eferences| is removed from | |
43 // Document.createNodeIterator() and Document.createTreeWalker(). | |
44 bool expandEntityReferences() const { return false; } | |
45 | |
46 protected: | |
47 Traversal(PassRefPtr<Node>, unsigned whatToShow, PassRefPtr<NodeFilter>)
; | |
48 short acceptNode(ScriptState*, Node*) const; | |
49 | |
50 private: | |
51 RefPtr<Node> m_root; | |
52 unsigned m_whatToShow; | |
53 RefPtr<NodeFilter> m_filter; | |
54 }; | |
55 | |
56 } // namespace WebCore | |
57 | |
58 #endif // Traversal_h | |
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