1/*
2 * Copyright (C) 2013 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#import "config.h"
27#import "WKNSDictionary.h"
28
29#if WK_API_ENABLED
30
31#import "WKNSArray.h"
32
33using namespace WebKit;
34
35@implementation WKNSDictionary {
36    API::ObjectStorage<ImmutableDictionary> _dictionary;
37}
38
39- (void)dealloc
40{
41    _dictionary->~ImmutableDictionary();
42
43    [super dealloc];
44}
45
46#pragma mark NSDictionary primitive methods
47
48- (instancetype)initWithObjects:(const id [])objects forKeys:(const id <NSCopying> [])keys count:(NSUInteger)count
49{
50    ASSERT_NOT_REACHED();
51    return [super initWithObjects:objects forKeys:keys count:count];
52}
53
54- (NSUInteger)count
55{
56    return _dictionary->size();
57}
58
59- (id)objectForKey:(id)key
60{
61    if (![key isKindOfClass:[NSString class]])
62        return nil;
63
64    bool exists;
65    API::Object* value = _dictionary->get((NSString *)key, exists);
66    if (!exists)
67        return nil;
68
69    return value ? value->wrapper() : [NSNull null];
70}
71
72- (NSEnumerator *)keyEnumerator
73{
74    return [wrapper(*_dictionary->keys()) objectEnumerator];
75}
76
77#pragma mark NSCopying protocol implementation
78
79- (id)copyWithZone:(NSZone *)zone
80{
81    if (!_dictionary->isMutable())
82        return [self retain];
83
84    auto map = _dictionary->map();
85    return ImmutableDictionary::create(WTF::move(map)).release().leakRef()->wrapper();
86}
87
88#pragma mark WKObject protocol implementation
89
90- (API::Object&)_apiObject
91{
92    return *_dictionary;
93}
94
95@end
96
97#endif // WK_API_ENABLED
98