1/*
2 * Copyright (C) 2007, 2008 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef StaticNodeList_h
30#define StaticNodeList_h
31
32#include "Element.h"
33#include "NodeList.h"
34#include <wtf/PassRefPtr.h>
35#include <wtf/RefPtr.h>
36#include <wtf/Vector.h>
37
38namespace WebCore {
39
40class StaticNodeList final : public NodeList {
41public:
42    static PassRefPtr<StaticNodeList> adopt(Vector<Ref<Node>>& nodes)
43    {
44        RefPtr<StaticNodeList> nodeList = adoptRef(new StaticNodeList);
45        nodeList->m_nodes.swap(nodes);
46        return nodeList.release();
47    }
48
49    static PassRefPtr<StaticNodeList> createEmpty()
50    {
51        return adoptRef(new StaticNodeList);
52    }
53
54    virtual unsigned length() const override;
55    virtual Node* item(unsigned index) const override;
56    virtual Node* namedItem(const AtomicString&) const override;
57
58private:
59    StaticNodeList() { }
60
61    Vector<Ref<Node>> m_nodes;
62};
63
64class StaticElementList final : public NodeList {
65public:
66    static PassRefPtr<StaticElementList> adopt(Vector<Ref<Element>>& elements)
67    {
68        RefPtr<StaticElementList> nodeList = adoptRef(new StaticElementList);
69        nodeList->m_elements.swap(elements);
70        return nodeList.release();
71    }
72
73    static PassRefPtr<StaticElementList> createEmpty()
74    {
75        return adoptRef(new StaticElementList);
76    }
77
78    virtual unsigned length() const override;
79    virtual Node* item(unsigned index) const override;
80    virtual Node* namedItem(const AtomicString&) const override;
81
82private:
83    StaticElementList()
84    {
85    }
86
87    Vector<Ref<Element>> m_elements;
88};
89
90} // namespace WebCore
91
92#endif // StaticNodeList_h
93