/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFSet_hashtable.h"
#import "OFMutableSet_hashtable.h"
#import "OFCountedSet_hashtable.h"
#import "OFMapTable.h"
#import "OFMapTable+Private.h"
#import "OFArray.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFInvalidArgumentException.h"
#import "OFEnumerationMutationException.h"
static void *
retain(void *object)
{
return [(id)object retain];
}
static void
release(void *object)
{
[(id)object release];
}
static uint32_t
hash(void *object)
{
return [(id)object hash];
}
static bool
equal(void *object1, void *object2)
{
return [(id)object1 isEqual: (id)object2];
}
static const of_map_table_functions_t keyFunctions = {
.retain = retain,
.release = release,
.hash = hash,
.equal = equal
};
static const of_map_table_functions_t objectFunctions = { NULL };
@implementation OFSet_hashtable
- (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)initWithSet: (OFSet *)set
{
size_t count;
if (set == nil)
return [self init];
@try {
count = [set count];
} @catch (id e) {
[self release];
@throw e;
}
self = [self initWithCapacity: count];
@try {
for (id object in set)
[_mapTable setObject: (void *)1
forKey: object];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithArray: (OFArray *)array
{
size_t count;
if (array == nil)
return self;
@try {
count = [array count];
} @catch (id e) {
[self release];
@throw e;
}
self = [self initWithCapacity: count];
@try {
for (id object in array)
[_mapTable setObject: (void *)1
forKey: object];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithObjects: (id const *)objects
count: (size_t)count
{
self = [self initWithCapacity: count];
@try {
for (size_t i = 0; i < count; i++)
[_mapTable setObject: (void *)1
forKey: objects[i]];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithObject: (id)firstObject
arguments: (va_list)arguments
{
self = [super init];
@try {
id object;
va_list argumentsCopy;
size_t count;
va_copy(argumentsCopy, arguments);
for (count = 1; va_arg(argumentsCopy, id) != nil; count++);
_mapTable = [[OFMapTable alloc]
initWithKeyFunctions: keyFunctions
objectFunctions: objectFunctions
capacity: count];
[_mapTable setObject: (void *)1
forKey: firstObject];
while ((object = va_arg(arguments, id)) != nil)
[_mapTable setObject: (void *)1
forKey: object];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithSerialization: (OFXMLElement *)element
{
self = [self init];
@try {
void *pool = objc_autoreleasePoolPush();
if ((![[element name] isEqual: @"OFSet"] &&
![[element name] isEqual: @"OFMutableSet"]) ||
![[element namespace] isEqual: OF_SERIALIZATION_NS])
@throw [OFInvalidArgumentException exception];
for (OFXMLElement *child in
[element elementsForNamespace: OF_SERIALIZATION_NS]) {
void *pool2 = objc_autoreleasePoolPush();
[_mapTable setObject: (void *)1
forKey: [child objectByDeserializing]];
objc_autoreleasePoolPop(pool2);
}
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_mapTable release];
[super dealloc];
}
- (size_t)count
{
return [_mapTable count];
}
- (bool)containsObject: (id)object
{
if (object == nil)
return false;
return ([_mapTable objectForKey: object] != nil);
}
- (bool)isEqual: (id)object
{
OFSet_hashtable *set;
if (object == self)
return true;
if (![object isKindOfClass: [OFSet_hashtable class]] &&
![object isKindOfClass: [OFMutableSet_hashtable class]] &&
![object isKindOfClass: [OFCountedSet_hashtable class]])
return [super isEqual: object];
set = object;
return [set->_mapTable isEqual: _mapTable];
}
- (id)anyObject
{
void *pool = objc_autoreleasePoolPush();
void **objectPtr;
id object;
objectPtr = [[_mapTable keyEnumerator] nextObject];
if (objectPtr == NULL) {
objc_autoreleasePoolPop(pool);
return nil;
}
object = [(id)*objectPtr retain];
objc_autoreleasePoolPop(pool);
return [object autorelease];
}
- (OFEnumerator *)objectEnumerator
{
return [[[OFMapTable_EnumeratorWrapper alloc]
initWithEnumerator: [_mapTable keyEnumerator]
object: self] autorelease];
}
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
objects: (id *)objects
count: (int)count
{
return [_mapTable countByEnumeratingWithState: state
objects: objects
count: count];
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsUsingBlock: (of_set_enumeration_block_t)block
{
@try {
[_mapTable enumerateKeysAndObjectsUsingBlock:
^ (void *key, void *object, bool *stop) {
block(key, stop);
}];
} @catch (OFEnumerationMutationException *e) {
@throw [OFEnumerationMutationException
exceptionWithObject: self];
}
}
#endif
@end