1/*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2007 David Smith (catfish.man@gmail.com)
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1.  Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 * 2.  Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15 *     its contributors may be used to endorse or promote products derived
16 *     from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef ClassNodeList_h
31#define ClassNodeList_h
32
33#include "Element.h"
34#include "LiveNodeList.h"
35#include "Node.h"
36#include "SpaceSplitString.h"
37
38namespace WebCore {
39
40class ClassNodeList : public LiveNodeList {
41public:
42    static PassRefPtr<ClassNodeList> create(PassRefPtr<Node> rootNode, const String& classNames)
43    {
44        return adoptRef(new ClassNodeList(rootNode, classNames));
45    }
46
47    virtual ~ClassNodeList();
48
49    bool nodeMatchesInlined(Element*) const;
50
51private:
52    ClassNodeList(PassRefPtr<Node> rootNode, const String& classNames);
53
54    virtual bool nodeMatches(Element*) const;
55
56    SpaceSplitString m_classNames;
57    String m_originalClassNames;
58};
59
60inline bool ClassNodeList::nodeMatchesInlined(Element* testNode) const
61{
62    if (!testNode->hasClass())
63        return false;
64    if (!m_classNames.size())
65        return false;
66    // FIXME: DOM4 allows getElementsByClassName to return non StyledElement.
67    // https://bugs.webkit.org/show_bug.cgi?id=94718
68    if (!testNode->isStyledElement())
69        return false;
70    return testNode->classNames().containsAll(m_classNames);
71}
72
73} // namespace WebCore
74
75#endif // ClassNodeList_h
76