ObjFW  Artifact [0db3d60d53]

Artifact 0db3d60d531b42dd21e35453944d9b584fc56cd70b204f352ad7223854158d19:

• File src/OFMutableSet.m — part of check-in [13ee56edf3] at 2014-06-21 21:43:43 on branch trunk — Move all macros from OFObject.h to macros.h

  This means that OFObject.h imports macros.h now, making it unnecessary
  to manually import macros.h in almost every file. And while at it, also
  import autorelease.h in OFObject.h, so that this doesn't need to be
  manually imported in almost every file as well. (user: js, size: 3740) [annotate] [blame] [check-ins using]

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014
 *   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 <stdlib.h>

#include <assert.h>

#import "OFMutableSet.h"
#import "OFMutableSet_hashtable.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
{
	OF_UNRECOGNIZED_SELECTOR

	/* Get rid of a stupid warning */
	[super dealloc];
}
@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]) {
		@try {
			[self doesNotRecognizeSelector: _cmd];
			abort();
		} @catch (id e) {
			[self release];
			@throw e;
		}
	}

	return [super init];
}

- (void)addObject: (id)object
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)removeObject: (id)object
{
	OF_UNRECOGNIZED_SELECTOR
}

- (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