ObjFW  Diff

 * 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"

#define OF_COUNTED_SET_M

#import "OFCountedSet.h"
#import "OFMutableDictionary_hashtable.h"
#import "OFNumber.h"
#import "OFArray.h"
#import "OFCountedSet_hashtable.h"
#import "OFNumber.h"
#import "OFString.h"
#import "OFAutoreleasePool.h"

#import "OFNotImplementedException.h"

static struct {
	Class isa;
} placeholder;

@implementation OFCountedSet
- initWithSet: (OFSet*)set
@implementation OFCountedSet_placeholder
- init
{
	self = [super init];

	return (id)[[OFCountedSet_hashtable alloc] init];
}
	@try {
		[dictionary release];
		dictionary = nil;
		dictionary = [[OFMutableDictionary_hashtable alloc]
			_initWithDictionary: set->dictionary
				   copyKeys: NO];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;

- initWithSet: (OFSet*)set
{
	return (id)[[OFCountedSet_hashtable alloc] initWithSet: set];
}

- initWithArray: (OFArray*)array
{
	self = [super init];

	@try {
	return (id)[[OFCountedSet_hashtable alloc] initWithArray: array];
}

		id *cArray = [array cArray];
		size_t i, count = [array count];

- initWithObjects: (id)firstObject, ...
{
		for (i = 0; i < count; i++)
			[self addObject: cArray[i]];
	} @catch (id e) {
		[self release];
	id ret;
		@throw e;
	}
	va_list arguments;

	va_start(arguments, firstObject);
	ret = [[OFCountedSet_hashtable alloc] initWithObject: firstObject
						   arguments: arguments];
	va_end(arguments);

	return self;
	return ret;
}

- initWithObject: (id)firstObject
       arguments: (va_list)arguments
{
	return [[OFCountedSet_hashtable alloc] initWithObject: firstObject
						    arguments: arguments];
}
	self = [super init];

	@try {
		id object;

		[self addObject: firstObject];

		while ((object = va_arg(arguments, id)) != nil)
			[self addObject: object];
	} @catch (id e) {

- retain
{
	return self;
}

- autorelease
{
	return self;
}

- (void)release
{
}

- (void)dealloc
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
	[super dealloc];	/* Get rid of a stupid warning */
}
@end

@implementation OFCountedSet
+ (void)initialize
{
	if (self == [OFCountedSet class])
		placeholder.isa = [OFCountedSet_placeholder class];
}

+ alloc
{
	if (self == [OFCountedSet class])
		return (id)&placeholder;

	return [super alloc];
}

- init
{
	if (isa == [OFCountedSet class]) {
		Class c = isa;
		[self release];
		@throw e;
		@throw [OFNotImplementedException newWithClass: c
						      selector: _cmd];
	}

	return self;
	return [super init];
}

- (size_t)countForObject: (id)object
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
}

- (OFString*)description
{
	OFMutableString *ret;
	OFAutoreleasePool *pool, *pool2;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	size_t i, count = [dictionary count];
	id key, object;
	OFEnumerator *enumerator;
	size_t i, count = [self count];
	id object;

	if (count == 0)
		return @"{()}";

	ret = [OFMutableString stringWithString: @"{(\n"];
	pool = [[OFAutoreleasePool alloc] init];
	keyEnumerator = [dictionary keyEnumerator];
	objectEnumerator = [dictionary objectEnumerator];
	enumerator = [self objectEnumerator];

	i = 0;
	pool2 = [[OFAutoreleasePool alloc] init];

	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		[ret appendString: [key description]];
		[ret appendString: @": "];
	while ((object = [enumerator nextObject]) != nil) {
		[ret appendString: object];
		[ret appendFormat: @": %zu", [self countForObject: object]];
		[ret appendString: [object description]];

		if (++i < count)
			[ret appendString: @",\n"];

		[pool2 releaseObjects];
	}
	[ret replaceOccurrencesOfString: @"\n"

}

- mutableCopy
{
	return [[OFCountedSet alloc] initWithSet: self];
}

- (size_t)countForObject: (id)object
{
	return [[dictionary objectForKey: object] sizeValue];
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsAndCountUsingBlock:
    (of_counted_set_enumeration_block_t)block
{
	[dictionary enumerateKeysAndObjectsUsingBlock: ^ (id key, id object,
	[self enumerateObjectsUsingBlock: ^ (id object, BOOL *stop) {
	    BOOL *stop) {
		block(key, [object sizeValue], stop);
		block(object, [self countForObject: object], stop);
	}];
}
#endif

- (void)addObject: (id)object
- (void)minusSet: (OFSet*)set
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFNumber *count;

	count = [[dictionary objectForKey: object] numberByIncreasing];

	if (count == nil)
	if ([set isKindOfClass: [OFCountedSet class]]) {
		OFCountedSet *countedSet = (OFCountedSet*)set;
		count = [OFNumber numberWithSize: 1];

		OFEnumerator *enumerator = [countedSet objectEnumerator];
	[dictionary _setObject: count
			forKey: object
		id object;
		       copyKey: NO];

	mutations++;

		while ((object = [enumerator nextObject]) != nil) {
	[pool release];
}

			size_t i, count = [countedSet countForObject: object];
- (void)removeObject: (id)object
{

	OFNumber *count = [dictionary objectForKey: object];
	OFAutoreleasePool *pool;

			for (i = 0; i < count; i++)
	if (count == nil)
		return;

				[self removeObject: object];
	pool = [[OFAutoreleasePool alloc] init];
	count = [count numberByDecreasing];

		}
	if ([count sizeValue] > 0)
		[dictionary _setObject: count
				forKey: object
			       copyKey: NO];
	else
	} else {
		[dictionary removeObjectForKey: object];

	mutations++;

	[pool release];
}

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

	if (![set isKindOfClass: [OFCountedSet class]]) {
		[super minusSet: set];
		return;
	}

	countedSet = (OFCountedSet*)set;

	pool = [[OFAutoreleasePool alloc] init];
	enumerator = [countedSet objectEnumerator];

	while ((object = [enumerator nextObject]) != nil) {
		while ((object = [enumerator nextObject]) != nil)
		size_t i, count = [countedSet countForObject: object];

		for (i = 0; i < count; i++)
			[self removeObject: object];
	}

	[pool release];
}

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

	if (![set isKindOfClass: [OFCountedSet class]]) {
	if ([set isKindOfClass: [OFCountedSet class]]) {
		[super unionSet: set];
		return;
	}

	countedSet = (OFCountedSet*)set;
		OFCountedSet *countedSet = (OFCountedSet*)set;

	pool = [[OFAutoreleasePool alloc] init];
	enumerator = [countedSet objectEnumerator];
		OFEnumerator *enumerator = [countedSet objectEnumerator];
		id object;

	while ((object = [enumerator nextObject]) != nil) {
		size_t i, count = [countedSet countForObject: object];
		while ((object = [enumerator nextObject]) != nil) {
			size_t i, count = [countedSet countForObject: object];

		for (i = 0; i < count; i++)
			[self addObject: object];
	}

			for (i = 0; i < count; i++)
				[self addObject: object];
		}
	} else {
	[pool release];
}

		OFEnumerator *enumerator = [set objectEnumerator];
		id object;

		while ((object = [enumerator nextObject]) != nil)
			[self addObject: object];
	}
- (void)makeImmutable
{

	[pool release];
}
@end