/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* 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"
#include <assert.h>
#import "OFMutableSet.h"
#import "OFMutableSet_hashtable.h"
#import "OFNotImplementedException.h"
#import "autorelease.h"
static struct {
Class isa;
} placeholder;
@interface OFMutableSet_placeholder: OFMutableSet
@end
@implementation OFMutableSet_placeholder
- init
{
return (id)[[OFMutableSet_hashtable alloc] init];
}
- initWithSet: (OFSet*)set
{
return (id)[[OFMutableSet_hashtable alloc] initWithSet: set];
}
- initWithArray: (OFArray*)array
{
return (id)[[OFMutableSet_hashtable alloc] initWithArray: array];
}
- initWithObjects: (id)firstObject, ...
{
id ret;
va_list arguments;
va_start(arguments, firstObject);
ret = [[OFMutableSet_hashtable alloc] initWithObject: firstObject
arguments: arguments];
va_end(arguments);
return ret;
}
- initWithObjects: (id const*)objects
count: (size_t)count
{
return (id)[[OFMutableSet_hashtable alloc] initWithObjects: objects
count: count];
}
- initWithObject: (id)firstObject
arguments: (va_list)arguments
{
return (id)[[OFMutableSet_hashtable alloc] initWithObject: firstObject
arguments: arguments];
}
- initWithSerialization: (OFXMLElement*)element
{
return (id)[[OFMutableSet_hashtable alloc]
initWithSerialization: element];
}
- retain
{
return self;
}
- autorelease
{
return self;
}
- (void)release
{
}
- (void)dealloc
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
[super dealloc]; /* Get rid of a stupid warning */
}
@end
@implementation OFMutableSet
+ (void)initialize
{
if (self == [OFMutableSet class])
placeholder.isa = [OFMutableSet_placeholder class];
}
+ alloc
{
if (self == [OFMutableSet class])
return (id)&placeholder;
return [super alloc];
}
- init
{
if (object_getClass(self) == [OFMutableSet class]) {
Class c = [self class];
[self release];
@throw [OFNotImplementedException exceptionWithClass: c
selector: _cmd];
}
return [super init];
}
- (void)addObject: (id)object
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void)removeObject: (id)object
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void)minusSet: (OFSet*)set
{
void *pool = objc_autoreleasePoolPush();
OFEnumerator *enumerator = [set objectEnumerator];
id object;
while ((object = [enumerator nextObject]) != nil)
[self removeObject: object];
objc_autoreleasePoolPop(pool);
}
- (void)intersectSet: (OFSet*)set
{
void *pool = objc_autoreleasePoolPush();
size_t count = [self count];
id *cArray;
cArray = [self allocMemoryWithSize: sizeof(id)
count: count];
@try {
OFEnumerator *enumerator;
id object;
size_t i;
i = 0;
enumerator = [self objectEnumerator];
while ((object = [enumerator nextObject]) != nil) {
assert(i < count);
cArray[i++] = object;
}
for (i = 0; i < count; i++)
if (![set containsObject: cArray[i]])
[self removeObject: cArray[i]];
} @finally {
[self freeMemory: cArray];
}
objc_autoreleasePoolPop(pool);
}
- (void)unionSet: (OFSet*)set
{
void *pool = objc_autoreleasePoolPush();
OFEnumerator *enumerator;
id object;
enumerator = [set objectEnumerator];
while ((object = [enumerator nextObject]) != nil)
[self addObject: object];
objc_autoreleasePoolPop(pool);
}
- (void)makeImmutable
{
}
@end