123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101 |
- // Copyright 2017 Google
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
-
- #import "Private/GULMutableDictionary.h"
-
- @implementation GULMutableDictionary {
- /// The mutable dictionary.
- NSMutableDictionary *_objects;
-
- /// Serial synchronization queue. All reads should use dispatch_sync, while writes use
- /// dispatch_async.
- dispatch_queue_t _queue;
- }
-
- - (instancetype)init {
- self = [super init];
-
- if (self) {
- _objects = [[NSMutableDictionary alloc] init];
- _queue = dispatch_queue_create("GULMutableDictionary", DISPATCH_QUEUE_SERIAL);
- }
-
- return self;
- }
-
- - (NSString *)description {
- __block NSString *description;
- dispatch_sync(_queue, ^{
- description = self->_objects.description;
- });
- return description;
- }
-
- - (id)objectForKey:(id)key {
- __block id object;
- dispatch_sync(_queue, ^{
- object = [self->_objects objectForKey:key];
- });
- return object;
- }
-
- - (void)setObject:(id)object forKey:(id<NSCopying>)key {
- dispatch_async(_queue, ^{
- [self->_objects setObject:object forKey:key];
- });
- }
-
- - (void)removeObjectForKey:(id)key {
- dispatch_async(_queue, ^{
- [self->_objects removeObjectForKey:key];
- });
- }
-
- - (void)removeAllObjects {
- dispatch_async(_queue, ^{
- [self->_objects removeAllObjects];
- });
- }
-
- - (NSUInteger)count {
- __block NSUInteger count;
- dispatch_sync(_queue, ^{
- count = self->_objects.count;
- });
- return count;
- }
-
- - (id)objectForKeyedSubscript:(id<NSCopying>)key {
- __block id object;
- dispatch_sync(_queue, ^{
- object = self->_objects[key];
- });
- return object;
- }
-
- - (void)setObject:(id)obj forKeyedSubscript:(id<NSCopying>)key {
- dispatch_async(_queue, ^{
- self->_objects[key] = obj;
- });
- }
-
- - (NSDictionary *)dictionary {
- __block NSDictionary *dictionary;
- dispatch_sync(_queue, ^{
- dictionary = [self->_objects copy];
- });
- return dictionary;
- }
-
- @end
|