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@interface OFMapTableObjectEnumerator: OFMapTableEnumerator
@end
@implementation OFMapTable
@synthesize keyFunctions = _keyFunctions, objectFunctions = _objectFunctions;
+ (instancetype)mapTableWithKeyFunctions: (of_map_table_functions_t)keyFunctions
objectFunctions: (of_map_table_functions_t)
objectFunctions
{
return [[[self alloc]
initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions] autorelease];
}
+ (instancetype)mapTableWithKeyFunctions: (of_map_table_functions_t)keyFunctions
objectFunctions: (of_map_table_functions_t)
objectFunctions
capacity: (size_t)capacity
{
return [[[self alloc]
initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions
capacity: capacity] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithKeyFunctions: (of_map_table_functions_t)keyFunctions
objectFunctions: (of_map_table_functions_t)objectFunctions
{
return [self initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions
capacity: 0];
}
- (instancetype)initWithKeyFunctions: (of_map_table_functions_t)keyFunctions
objectFunctions: (of_map_table_functions_t)objectFunctions
capacity: (size_t)capacity
{
self = [super init];
@try {
_keyFunctions = keyFunctions;
_objectFunctions = objectFunctions;
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@interface OFMapTableObjectEnumerator: OFMapTableEnumerator
@end
@implementation OFMapTable
@synthesize keyFunctions = _keyFunctions, objectFunctions = _objectFunctions;
+ (instancetype)mapTableWithKeyFunctions: (OFMapTableFunctions)keyFunctions
objectFunctions: (OFMapTableFunctions)objectFunctions
{
return [[[self alloc]
initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions] autorelease];
}
+ (instancetype)mapTableWithKeyFunctions: (OFMapTableFunctions)keyFunctions
objectFunctions: (OFMapTableFunctions)objectFunctions
capacity: (size_t)capacity
{
return [[[self alloc]
initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions
capacity: capacity] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithKeyFunctions: (OFMapTableFunctions)keyFunctions
objectFunctions: (OFMapTableFunctions)objectFunctions
{
return [self initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions
capacity: 0];
}
- (instancetype)initWithKeyFunctions: (OFMapTableFunctions)keyFunctions
objectFunctions: (OFMapTableFunctions)objectFunctions
capacity: (size_t)capacity
{
self = [super init];
@try {
_keyFunctions = keyFunctions;
_objectFunctions = objectFunctions;
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if (capacity * 8 / _capacity >= 6)
if (_capacity <= ULONG_MAX / 2)
_capacity *= 2;
if (_capacity < MIN_CAPACITY)
_capacity = MIN_CAPACITY;
_buckets = of_alloc_zeroed(_capacity, sizeof(*_buckets));
if (of_hash_seed != 0)
_rotate = of_random16() & 31;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
for (unsigned long i = 0; i < _capacity; i++) {
if (_buckets[i] != NULL && _buckets[i] != &deleted) {
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
free(_buckets[i]);
}
}
free(_buckets);
[super dealloc];
}
static void
resizeForCount(OFMapTable *self, unsigned long count)
{
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if (capacity * 8 / _capacity >= 6)
if (_capacity <= ULONG_MAX / 2)
_capacity *= 2;
if (_capacity < MIN_CAPACITY)
_capacity = MIN_CAPACITY;
_buckets = OFAllocZeroedMemory(_capacity, sizeof(*_buckets));
if (OFHashSeed != 0)
_rotate = OFRandom16() & 31;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
for (unsigned long i = 0; i < _capacity; i++) {
if (_buckets[i] != NULL && _buckets[i] != &deleted) {
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
OFFreeMemory(_buckets[i]);
}
}
OFFreeMemory(_buckets);
[super dealloc];
}
static void
resizeForCount(OFMapTable *self, unsigned long count)
{
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* Don't downsize if we have an initial capacity or if we would fall
* below the minimum capacity.
*/
if ((capacity < self->_capacity && count > self->_count) ||
capacity < MIN_CAPACITY)
return;
buckets = of_alloc_zeroed(capacity, sizeof(*buckets));
for (unsigned long i = 0; i < self->_capacity; i++) {
if (self->_buckets[i] != NULL &&
self->_buckets[i] != &deleted) {
unsigned long j, last;
last = capacity;
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* Don't downsize if we have an initial capacity or if we would fall
* below the minimum capacity.
*/
if ((capacity < self->_capacity && count > self->_count) ||
capacity < MIN_CAPACITY)
return;
buckets = OFAllocZeroedMemory(capacity, sizeof(*buckets));
for (unsigned long i = 0; i < self->_capacity; i++) {
if (self->_buckets[i] != NULL &&
self->_buckets[i] != &deleted) {
unsigned long j, last;
last = capacity;
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if (j >= last)
@throw [OFOutOfRangeException exception];
buckets[j] = self->_buckets[i];
}
}
free(self->_buckets);
self->_buckets = buckets;
self->_capacity = capacity;
}
static void
setObject(OFMapTable *restrict self, void *key, void *object,
unsigned long hash)
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if (j >= last)
@throw [OFOutOfRangeException exception];
buckets[j] = self->_buckets[i];
}
}
OFFreeMemory(self->_buckets);
self->_buckets = buckets;
self->_capacity = capacity;
}
static void
setObject(OFMapTable *restrict self, void *key, void *object,
unsigned long hash)
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for (i = 0; i < last && self->_buckets[i] != NULL &&
self->_buckets[i] != &deleted; i++);
}
if (i >= last)
@throw [OFOutOfRangeException exception];
bucket = of_alloc(1, sizeof(*bucket));
@try {
bucket->key = self->_keyFunctions.retain(key);
} @catch (id e) {
free(bucket);
@throw e;
}
@try {
bucket->object = self->_objectFunctions.retain(object);
} @catch (id e) {
self->_keyFunctions.release(bucket->key);
free(bucket);
@throw e;
}
bucket->hash = hash;
self->_buckets[i] = bucket;
self->_count++;
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for (i = 0; i < last && self->_buckets[i] != NULL &&
self->_buckets[i] != &deleted; i++);
}
if (i >= last)
@throw [OFOutOfRangeException exception];
bucket = OFAllocMemory(1, sizeof(*bucket));
@try {
bucket->key = self->_keyFunctions.retain(key);
} @catch (id e) {
OFFreeMemory(bucket);
@throw e;
}
@try {
bucket->object = self->_objectFunctions.retain(object);
} @catch (id e) {
self->_keyFunctions.release(bucket->key);
OFFreeMemory(bucket);
@throw e;
}
bucket->hash = hash;
self->_buckets[i] = bucket;
self->_count++;
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if (_keyFunctions.equal(_buckets[i]->key, key)) {
_mutations++;
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
free(_buckets[i]);
_buckets[i] = &deleted;
_count--;
resizeForCount(self, _count);
return;
}
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if (_keyFunctions.equal(_buckets[i]->key, key)) {
_mutations++;
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
OFFreeMemory(_buckets[i]);
_buckets[i] = &deleted;
_count--;
resizeForCount(self, _count);
return;
}
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if (_buckets[i] == &deleted)
continue;
if (_keyFunctions.equal(_buckets[i]->key, key)) {
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
free(_buckets[i]);
_buckets[i] = &deleted;
_count--;
_mutations++;
resizeForCount(self, _count);
return;
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if (_buckets[i] == &deleted)
continue;
if (_keyFunctions.equal(_buckets[i]->key, key)) {
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
OFFreeMemory(_buckets[i]);
_buckets[i] = &deleted;
_count--;
_mutations++;
resizeForCount(self, _count);
return;
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_buckets[i] = NULL;
continue;
}
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
free(_buckets[i]);
_buckets[i] = NULL;
}
}
_count = 0;
_capacity = MIN_CAPACITY;
_buckets = of_realloc(_buckets, _capacity, sizeof(*_buckets));
/*
* Get a new random value for _rotate, so that it is not less secure
* than creating a new hash map.
*/
if (of_hash_seed != 0)
_rotate = of_random16() & 31;
}
- (bool)containsObject: (void *)object
{
if (object == NULL || _count == 0)
return false;
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_buckets[i] = NULL;
continue;
}
_keyFunctions.release(_buckets[i]->key);
_objectFunctions.release(_buckets[i]->object);
OFFreeMemory(_buckets[i]);
_buckets[i] = NULL;
}
}
_count = 0;
_capacity = MIN_CAPACITY;
_buckets = OFResizeMemory(_buckets, _capacity, sizeof(*_buckets));
/*
* Get a new random value for _rotate, so that it is not less secure
* than creating a new hash map.
*/
if (OFHashSeed != 0)
_rotate = OFRandom16() & 31;
}
- (bool)containsObject: (void *)object
{
if (object == NULL || _count == 0)
return false;
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return [[[OFMapTableObjectEnumerator alloc]
of_initWithMapTable: self
buckets: _buckets
capacity: _capacity
mutationsPointer: &_mutations] autorelease];
}
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
objects: (id *)objects
count: (int)count
{
unsigned long j = state->state;
int i;
for (i = 0; i < count; i++) {
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return [[[OFMapTableObjectEnumerator alloc]
of_initWithMapTable: self
buckets: _buckets
capacity: _capacity
mutationsPointer: &_mutations] autorelease];
}
- (int)countByEnumeratingWithState: (OFFastEnumerationState *)state
objects: (id *)objects
count: (int)count
{
unsigned long j = state->state;
int i;
for (i = 0; i < count; i++) {
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state->itemsPtr = objects;
state->mutationsPtr = &_mutations;
return i;
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateKeysAndObjectsUsingBlock:
(of_map_table_enumeration_block_t)block
{
bool stop = false;
unsigned long mutations = _mutations;
for (size_t i = 0; i < _capacity && !stop; i++) {
if (_mutations != mutations)
@throw [OFEnumerationMutationException
exceptionWithObject: self];
if (_buckets[i] != NULL && _buckets[i] != &deleted)
block(_buckets[i]->key, _buckets[i]->object, &stop);
}
}
- (void)replaceObjectsUsingBlock: (of_map_table_replace_block_t)block
{
unsigned long mutations = _mutations;
for (size_t i = 0; i < _capacity; i++) {
if (_mutations != mutations)
@throw [OFEnumerationMutationException
exceptionWithObject: self];
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state->itemsPtr = objects;
state->mutationsPtr = &_mutations;
return i;
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateKeysAndObjectsUsingBlock: (OFMapTableEnumerationBlock)block
{
bool stop = false;
unsigned long mutations = _mutations;
for (size_t i = 0; i < _capacity && !stop; i++) {
if (_mutations != mutations)
@throw [OFEnumerationMutationException
exceptionWithObject: self];
if (_buckets[i] != NULL && _buckets[i] != &deleted)
block(_buckets[i]->key, _buckets[i]->object, &stop);
}
}
- (void)replaceObjectsUsingBlock: (OFMapTableReplaceBlock)block
{
unsigned long mutations = _mutations;
for (size_t i = 0; i < _capacity; i++) {
if (_mutations != mutations)
@throw [OFEnumerationMutationException
exceptionWithObject: self];
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