1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
6 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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#include "config.h"
25#include "core/dom/TagCollection.h"
26
27#include "core/dom/NodeRareData.h"
28#include "wtf/Assertions.h"
29
30namespace blink {
31
32TagCollection::TagCollection(ContainerNode& rootNode, CollectionType type, const AtomicString& namespaceURI, const AtomicString& localName)
33    : HTMLCollection(rootNode, type, DoesNotOverrideItemAfter)
34    , m_namespaceURI(namespaceURI)
35    , m_localName(localName)
36{
37    ASSERT(m_namespaceURI.isNull() || !m_namespaceURI.isEmpty());
38}
39
40TagCollection::~TagCollection()
41{
42#if !ENABLE(OILPAN)
43    if (m_namespaceURI == starAtom)
44        ownerNode().nodeLists()->removeCache(this, type(), m_localName);
45    else
46        ownerNode().nodeLists()->removeCache(this, m_namespaceURI, m_localName);
47#endif
48}
49
50bool TagCollection::elementMatches(const Element& testNode) const
51{
52    // Implements http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-getelementsbytagnamens
53    if (m_localName != starAtom && m_localName != testNode.localName())
54        return false;
55
56    return m_namespaceURI == starAtom || m_namespaceURI == testNode.namespaceURI();
57}
58
59} // namespace blink
60