CSSNamespace.h revision ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddb 
1/*
2 * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 *               1999 Waldo Bastian (bastian@kde.org)
4 * Copyright (C) 2004, 2006, 2010 Apple Inc. All rights reserved.
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#ifndef CSSNamespace_h
23#define CSSNamespace_h
24
25#include <wtf/text/AtomicString.h>
26
27namespace WebCore {
28
29    struct CSSNamespace {
30        WTF_MAKE_NONCOPYABLE(CSSNamespace); WTF_MAKE_FAST_ALLOCATED;
31    public:
32        AtomicString prefix;
33        AtomicString uri;
34        OwnPtr<CSSNamespace> parent;
35
36        CSSNamespace(const AtomicString& prefix, const AtomicString& uri, PassOwnPtr<CSSNamespace> parent)
37            : prefix(prefix)
38            , uri(uri)
39            , parent(parent)
40        {
41        }
42
43        CSSNamespace* namespaceForPrefix(const AtomicString& prefix)
44        {
45            for (CSSNamespace* candidate = this; candidate; candidate = candidate->parent.get()) {
46                if (candidate->prefix == prefix)
47                    return candidate;
48            }
49            return 0;
50        }
51    };
52
53} // namespace WebCore
54
55#endif // CSSNamespace_h
56