/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#import "OFConcreteDictionary.h"
#import "OFArray.h"
#import "OFConcreteMutableDictionary.h"
#import "OFMapTable+Private.h"
#import "OFMapTable.h"
#import "OFString.h"
#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
static void *
copy(void *object)
{
return [(id)object copy];
}
static void *
retain(void *object)
{
return [(id)object retain];
}
static void
release(void *object)
{
[(id)object release];
}
static unsigned long
hash(void *object)
{
return [(id)object hash];
}
static bool
equal(void *object1, void *object2)
{
return [(id)object1 isEqual: (id)object2];
}
static const OFMapTableFunctions keyFunctions = {
.retain = copy,
.release = release,
.hash = hash,
.equal = equal
};
static const OFMapTableFunctions objectFunctions = {
.retain = retain,
.release = release,
.hash = hash,
.equal = equal
};
@implementation OFConcreteDictionary
- (instancetype)init
{
return [self initWithCapacity: 0];
}
- (instancetype)initWithCapacity: (size_t)capacity
{
self = [super init];
@try {
_mapTable = [[OFMapTable alloc]
initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions
capacity: capacity];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithDictionary: (OFDictionary *)dictionary
{
size_t count;
if (dictionary == nil)
return [self init];
if ([dictionary isKindOfClass: [OFConcreteDictionary class]] ||
[dictionary isKindOfClass: [OFConcreteMutableDictionary class]]) {
self = [super init];
@try {
OFConcreteDictionary *dictionary_ =
(OFConcreteDictionary *)dictionary;
_mapTable = [dictionary_->_mapTable copy];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
@try {
count = dictionary.count;
} @catch (id e) {
[self release];
@throw e;
}
self = [self initWithCapacity: count];
@try {
void *pool = objc_autoreleasePoolPush();
OFEnumerator *keyEnumerator, *objectEnumerator;
id key, object;
keyEnumerator = [dictionary keyEnumerator];
objectEnumerator = [dictionary objectEnumerator];
while ((key = [keyEnumerator nextObject]) != nil &&
(object = [objectEnumerator nextObject]) != nil)
[_mapTable setObject: object forKey: key];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithObject: (id)object forKey: (id)key
{
self = [self initWithCapacity: 1];
@try {
[_mapTable setObject: object forKey: key];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithObjects: (id const *)objects
forKeys: (id const *)keys
count: (size_t)count
{
self = [self initWithCapacity: count];
@try {
size_t i;
for (i = 0; i < count; i++)
[_mapTable setObject: objects[i] forKey: keys[i]];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithKey: (id)firstKey arguments: (va_list)arguments
{
self = [super init];
@try {
va_list argumentsCopy;
id key, object;
size_t i, count;
va_copy(argumentsCopy, arguments);
if (firstKey == nil)
@throw [OFInvalidArgumentException exception];
key = firstKey;
if ((object = va_arg(arguments, id)) == nil)
@throw [OFInvalidArgumentException exception];
count = 1;
for (; va_arg(argumentsCopy, id) != nil; count++);
if (count % 2 != 0)
@throw [OFInvalidArgumentException exception];
count /= 2;
_mapTable = [[OFMapTable alloc]
initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions
capacity: count];
[_mapTable setObject: object forKey: key];
for (i = 1; i < count; i++) {
key = va_arg(arguments, id);
object = va_arg(arguments, id);
if (key == nil || object == nil)
@throw [OFInvalidArgumentException exception];
[_mapTable setObject: object forKey: key];
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_mapTable release];
[super dealloc];
}
- (id)objectForKey: (id)key
{
return [_mapTable objectForKey: key];
}
- (size_t)count
{
return _mapTable.count;
}
- (bool)isEqual: (id)object
{
OFConcreteDictionary *dictionary;
if (object == self)
return true;
if (![object isKindOfClass: [OFConcreteDictionary class]] &&
![object isKindOfClass: [OFConcreteMutableDictionary class]])
return [super isEqual: object];
dictionary = (OFConcreteDictionary *)object;
return [dictionary->_mapTable isEqual: _mapTable];
}
- (bool)containsObject: (id)object
{
return [_mapTable containsObject: object];
}
- (bool)containsObjectIdenticalTo: (id)object
{
return [_mapTable containsObjectIdenticalTo: object];
}
- (OFArray *)allKeys
{
OFArray *ret;
id *keys;
size_t count;
count = _mapTable.count;
keys = OFAllocMemory(count, sizeof(*keys));
@try {
void *pool = objc_autoreleasePoolPush();
OFMapTableEnumerator *enumerator;
void **keyPtr;
size_t i;
i = 0;
enumerator = [_mapTable keyEnumerator];
while ((keyPtr = [enumerator nextObject]) != NULL) {
OFAssert(i < count);
keys[i++] = (id)*keyPtr;
}
objc_autoreleasePoolPop(pool);
ret = [OFArray arrayWithObjects: keys count: count];
} @finally {
OFFreeMemory(keys);
}
return ret;
}
- (OFArray *)allObjects
{
OFArray *ret;
id *objects;
size_t count;
count = _mapTable.count;
objects = OFAllocMemory(count, sizeof(*objects));
@try {
void *pool = objc_autoreleasePoolPush();
OFMapTableEnumerator *enumerator;
void **objectPtr;
size_t i;
i = 0;
enumerator = [_mapTable objectEnumerator];
while ((objectPtr = [enumerator nextObject]) != NULL) {
OFAssert(i < count);
objects[i++] = (id)*objectPtr;
}
objc_autoreleasePoolPop(pool);
ret = [OFArray arrayWithObjects: objects count: count];
} @finally {
OFFreeMemory(objects);
}
return ret;
}
- (OFEnumerator *)keyEnumerator
{
return [[[OFMapTableEnumeratorWrapper alloc]
initWithEnumerator: [_mapTable keyEnumerator]
object: self] autorelease];
}
- (OFEnumerator *)objectEnumerator
{
return [[[OFMapTableEnumeratorWrapper alloc]
initWithEnumerator: [_mapTable objectEnumerator]
object: self] autorelease];
}
- (int)countByEnumeratingWithState: (OFFastEnumerationState *)state
objects: (id *)objects
count: (int)count
{
return [_mapTable countByEnumeratingWithState: state
objects: objects
count: count];
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateKeysAndObjectsUsingBlock: (OFDictionaryEnumerationBlock)block
{
@try {
[_mapTable enumerateKeysAndObjectsUsingBlock:
^ (void *key, void *object, bool *stop) {
block(key, object, stop);
}];
} @catch (OFEnumerationMutationException *e) {
@throw [OFEnumerationMutationException
exceptionWithObject: self];
}
}
#endif
- (unsigned long)hash
{
return _mapTable.hash;
}
@end