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MOMapTable.m
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MOMapTable.m
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//
// MOMapTable.m
// Mocha
//
// Created by Logan Collins on 8/6/12.
// Copyright (c) 2012 Sunflower Softworks. All rights reserved.
//
#import "MOMapTable.h"
//
// Note: This file must be compiled with the -fno-objc-arc compiler setting.
//
static const void * MOObjectRetain(CFAllocatorRef allocator, const void * value) {
return (const void *)[(id)value retain];
}
static void MOObjectRelease(CFAllocatorRef allocator, const void * value) {
[(id)value release];
}
static CFStringRef MOObjectCopyDescription(const void * value) {
return (CFStringRef)[[(id)value description] copy];
}
static Boolean MOObjectEqual(const void * value1, const void * value2) {
// if ([[(id)value1 class] isSubclassOfClass:[NSDistantObject class]]) {
// return NO;
// }
return (Boolean)[(id)value1 isEqual:(id)value2];
}
static CFHashCode MOObjectHash(const void * value) {
return (CFHashCode)[(id)value hash];
}
@implementation MOMapTable
+ (MOMapTable *)mapTableWithStrongToStrongObjects {
CFDictionaryKeyCallBacks keyCallBacks = { 0, MOObjectRetain, MOObjectRelease, MOObjectCopyDescription, MOObjectEqual, MOObjectHash };
CFDictionaryValueCallBacks valueCallBacks = { 0, MOObjectRetain, MOObjectRelease, MOObjectCopyDescription, MOObjectEqual };
CFMutableDictionaryRef dictionary = CFDictionaryCreateMutable(NULL, 0, &keyCallBacks, &valueCallBacks);
MOMapTable *mapTable = [[self alloc] initWithOwnedDictionary:dictionary];
return [mapTable autorelease];
}
+ (MOMapTable *)mapTableWithStrongToUnretainedObjects {
CFDictionaryKeyCallBacks keyCallBacks = { 0, MOObjectRetain, MOObjectRelease, MOObjectCopyDescription, MOObjectEqual, MOObjectHash };
CFDictionaryValueCallBacks valueCallBacks = { 0, NULL, NULL, MOObjectCopyDescription, MOObjectEqual };
CFMutableDictionaryRef dictionary = CFDictionaryCreateMutable(NULL, 0, &keyCallBacks, &valueCallBacks);
MOMapTable *mapTable = [[self alloc] initWithOwnedDictionary:dictionary];
return [mapTable autorelease];
}
+ (MOMapTable *)mapTableWithUnretainedToStrongObjects {
CFDictionaryKeyCallBacks keyCallBacks = { 0, NULL, NULL, MOObjectCopyDescription, MOObjectEqual, MOObjectHash };
CFDictionaryValueCallBacks valueCallBacks = { 0, MOObjectRetain, MOObjectRelease, MOObjectCopyDescription, MOObjectEqual };
CFMutableDictionaryRef dictionary = CFDictionaryCreateMutable(NULL, 0, &keyCallBacks, &valueCallBacks);
MOMapTable *mapTable = [[self alloc] initWithOwnedDictionary:dictionary];
return [mapTable autorelease];
}
+ (MOMapTable *)mapTableWithUnretainedToUnretainedObjects {
CFDictionaryKeyCallBacks keyCallBacks = { 0, NULL, NULL, MOObjectCopyDescription, MOObjectEqual, MOObjectHash };
CFDictionaryValueCallBacks valueCallBacks = { 0, NULL, NULL, MOObjectCopyDescription, MOObjectEqual };
CFMutableDictionaryRef dictionary = CFDictionaryCreateMutable(NULL, 0, &keyCallBacks, &valueCallBacks);
MOMapTable *mapTable = [[self alloc] initWithOwnedDictionary:dictionary];
return [mapTable autorelease];
}
- (id)initWithOwnedDictionary:(CFMutableDictionaryRef)dictionary {
self = [super init];
if (self) {
_dictionary = dictionary;
}
return self;
}
- (void)dealloc {
CFRelease(_dictionary);
[super dealloc];
}
- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id __unsafe_unretained [])buffer count:(NSUInteger)len {
return [(NSMutableDictionary *)_dictionary countByEnumeratingWithState:state objects:buffer count:len];
}
- (NSEnumerator *)keyEnumerator {
return [(NSMutableDictionary *)_dictionary keyEnumerator];
}
- (NSEnumerator *)objectEnumerator {
return [(NSMutableDictionary *)_dictionary objectEnumerator];
}
- (NSUInteger)count {
return CFDictionaryGetCount(_dictionary);
}
- (NSArray *)allKeys {
return [(NSMutableDictionary *)_dictionary allKeys];
}
- (NSArray *)allObjects {
return [(NSMutableDictionary *)_dictionary allValues];
}
- (id)objectForKey:(id)key {
return (id)CFDictionaryGetValue(_dictionary, (const void *)key);
}
- (void)setObject:(id)value forKey:(id)key {
if (value == nil) {
@throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"Value cannot be nil" userInfo:nil];
}
if (key == nil) {
@throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"Key cannot be nil" userInfo:nil];
}
CFDictionarySetValue(_dictionary, (const void *)key, (const void *)value);
}
- (void)removeObjectForKey:(id)key {
if (key == nil) {
@throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"Key cannot be nil" userInfo:nil];
}
CFDictionaryRemoveValue(_dictionary, (const void *)key);
}
- (void)removeAllObjects {
CFDictionaryRemoveAllValues(_dictionary);
}
@end