1/*
2 * Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ImmutableDictionary.h"
28
29#include "ImmutableArray.h"
30#include "WebString.h"
31
32namespace WebKit {
33
34ImmutableDictionary::ImmutableDictionary()
35{
36}
37
38ImmutableDictionary::ImmutableDictionary(MapType& map)
39{
40    m_map.swap(map);
41}
42
43ImmutableDictionary::~ImmutableDictionary()
44{
45}
46
47PassRefPtr<ImmutableArray> ImmutableDictionary::keys() const
48{
49    if (m_map.isEmpty())
50        return ImmutableArray::create();
51
52    Vector<RefPtr<APIObject>> vector;
53    vector.reserveInitialCapacity(m_map.size());
54
55    MapType::const_iterator::Keys it = m_map.begin().keys();
56    MapType::const_iterator::Keys end = m_map.end().keys();
57    for (; it != end; ++it)
58        vector.uncheckedAppend(WebString::create(*it));
59
60    return ImmutableArray::adopt(vector);
61}
62
63} // namespace WebKit
64