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 "APIArray.h"
30#include "APIString.h"
31
32namespace WebKit {
33
34RefPtr<ImmutableDictionary> ImmutableDictionary::create()
35{
36    return create({ });
37}
38
39RefPtr<ImmutableDictionary> ImmutableDictionary::create(MapType map)
40{
41    return adoptRef(new ImmutableDictionary(WTF::move(map)));
42}
43
44ImmutableDictionary::ImmutableDictionary(MapType map)
45    : m_map(WTF::move(map))
46{
47}
48
49ImmutableDictionary::~ImmutableDictionary()
50{
51}
52
53PassRefPtr<API::Array> ImmutableDictionary::keys() const
54{
55    if (m_map.isEmpty())
56        return API::Array::create();
57
58    Vector<RefPtr<API::Object>> keys;
59    keys.reserveInitialCapacity(m_map.size());
60
61    for (const auto& key : m_map.keys())
62        keys.uncheckedAppend(API::String::create(key));
63
64    return API::Array::create(WTF::move(keys));
65}
66
67} // namespace WebKit
68