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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 #include "config.h" | |
26 #include "core/dom/NodeIteratorBase.h" | |
27 | |
28 #include "core/dom/Node.h" | |
29 #include "core/dom/NodeFilter.h" | |
30 | |
31 namespace WebCore { | |
32 | |
33 NodeIteratorBase::NodeIteratorBase(PassRefPtr<Node> rootNode, unsigned whatToSho
w, PassRefPtr<NodeFilter> nodeFilter) | |
34 : m_root(rootNode) | |
35 , m_whatToShow(whatToShow) | |
36 , m_filter(nodeFilter) | |
37 { | |
38 } | |
39 | |
40 short NodeIteratorBase::acceptNode(ScriptState* state, Node* node) const | |
41 { | |
42 // The bit twiddling here is done to map DOM node types, which are given as
integers from | |
43 // 1 through 14, to whatToShow bit masks. | |
44 if (!(((1 << (node->nodeType() - 1)) & m_whatToShow))) | |
45 return NodeFilter::FILTER_SKIP; | |
46 if (!m_filter) | |
47 return NodeFilter::FILTER_ACCEPT; | |
48 return m_filter->acceptNode(state, node); | |
49 } | |
50 | |
51 } // namespace WebCore | |
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