KHtml

SVGElementInstanceList.cpp
1 /*
2  Copyright (C) 2007 Nikolas Zimmermann <[email protected]>
3 
4  This file is part of the KDE project
5 
6  This library is free software; you can redistribute it and/or
7  modify it under the terms of the GNU Library General Public
8  License as published by the Free Software Foundation; either
9  version 2 of the License, or (at your option) any later version.
10 
11  This library is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  Library General Public License for more details.
15 
16  You should have received a copy of the GNU Library General Public License
17  along with this library; see the file COPYING.LIB. If not, write to
18  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  Boston, MA 02110-1301, USA.
20 */
21 
22 #include "wtf/Platform.h"
23 
24 #if ENABLE(SVG)
25 #include "SVGElementInstanceList.h"
26 
27 namespace WebCore
28 {
29 
30 SVGElementInstanceList::SVGElementInstanceList(PassRefPtr<SVGElementInstance> rootInstance)
31  : m_rootInstance(rootInstance)
32 {
33 }
34 
35 SVGElementInstanceList::~SVGElementInstanceList()
36 {
37 }
38 
39 unsigned int SVGElementInstanceList::length() const
40 {
41  // NOTE: We could use the same caching facilities, "ChildNodeList" uses.
42  unsigned length = 0;
43  SVGElementInstance *instance;
44  for (instance = m_rootInstance->firstChild(); instance; instance = instance->nextSibling()) {
45  length++;
46  }
47 
48  return length;
49 }
50 
51 RefPtr<SVGElementInstance> SVGElementInstanceList::item(unsigned int index)
52 {
53  unsigned int pos = 0;
54  SVGElementInstance *instance = m_rootInstance->firstChild();
55 
56  while (instance && pos < index) {
57  instance = instance->nextSibling();
58  pos++;
59  }
60 
61  return instance;
62 }
63 
64 }
65 
66 #endif // ENABLE(SVG)
67 
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