ObjFW  Diff

#include "config.h"

#include <assert.h>

#import "OFMutableSet.h"
#import "OFMutableSet_hashtable.h"
#import "OFAutoreleasePool.h"

#import "OFNotImplementedException.h"

#import "autorelease.h"

static struct {
	Class isa;
} placeholder;

@interface OFMutableSet_placeholder: OFMutableSet
@end

{
	@throw [OFNotImplementedException exceptionWithClass: [self class]
						    selector: _cmd];
}

- (void)minusSet: (OFSet*)set
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator *enumerator = [set objectEnumerator];
	id object;

	while ((object = [enumerator nextObject]) != nil)
		[self removeObject: object];

	[pool release];
	objc_autoreleasePoolPop(pool);
}

- (void)intersectSet: (OFSet*)set
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	void *pool = objc_autoreleasePoolPush();
	size_t count = [self count];
	id *cArray;

	cArray = [self allocMemoryWithSize: sizeof(id)
				     count: count];

	@try {

		for (i = 0; i < count; i++)
			if (![set containsObject: cArray[i]])
			      [self removeObject: cArray[i]];
	} @finally {
		[self freeMemory: cArray];
	}

	[pool release];
	objc_autoreleasePoolPop(pool);
}

- (void)unionSet: (OFSet*)set
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator *enumerator = [set objectEnumerator];
	id object;

	while ((object = [enumerator nextObject]) != nil)
		[self addObject: object];

	[pool release];
	objc_autoreleasePoolPop(pool);
}

- (void)makeImmutable
{
}
@end