1/*
2 * Copyright (C) 2009, 2011, 2012 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "HTMLAllCollection.h"
28
29#include "Element.h"
30
31namespace WebCore {
32
33PassRefPtr<HTMLAllCollection> HTMLAllCollection::create(Node* node, CollectionType type)
34{
35    return adoptRef(new HTMLAllCollection(node, type));
36}
37
38HTMLAllCollection::HTMLAllCollection(Node* node, CollectionType type)
39    : HTMLCollection(node, type, DoesNotOverrideItemAfter)
40{
41}
42
43HTMLAllCollection::~HTMLAllCollection()
44{
45}
46
47Node* HTMLAllCollection::namedItemWithIndex(const AtomicString& name, unsigned index) const
48{
49    updateNameCache();
50
51    if (Vector<Element*>* cache = idCache(name)) {
52        if (index < cache->size())
53            return cache->at(index);
54        index -= cache->size();
55    }
56
57    if (Vector<Element*>* cache = nameCache(name)) {
58        if (index < cache->size())
59            return cache->at(index);
60    }
61
62    return 0;
63}
64
65} // namespace WebCore
66