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