ObjFW  Diff

#include "config.h"

#import "OFCountedSet.h"
#import "OFCountedSet_hashtable.h"
#import "OFNumber.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFAutoreleasePool.h"

#import "OFNotImplementedException.h"



static struct {
	Class isa;
} placeholder;

@interface OFCountedSet_placeholder: OFCountedSet
@end

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

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

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

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


	i = 0;

	pool2 = [[OFAutoreleasePool alloc] init];

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

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

		[pool2 releaseObjects];
	}
	[ret replaceOccurrencesOfString: @"\n"
			     withString: @"\n\t"];
	[ret appendString: @"\n)}"];

	[ret makeImmutable];

	[pool release];

	return ret;
}

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

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

- (OFXMLElement*)XMLElementBySerializing
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFAutoreleasePool *pool2;
	OFXMLElement *element;
	OFEnumerator *enumerator;
	id <OFSerialization> object;

	element = [OFXMLElement elementWithName: @"OFCountedSet"
				      namespace: OF_SERIALIZATION_NS];

	enumerator = [self objectEnumerator];

	pool2 = [[OFAutoreleasePool alloc] init];
	while ((object = [enumerator nextObject]) != nil) {


		OFXMLElement *objectElement;
		OFString *count;

		count =
		    [OFString stringWithFormat: @"%zu",
						[self countForObject: object]];

		objectElement = [OFXMLElement
		    elementWithName: @"object"
			  namespace: OF_SERIALIZATION_NS];
		[objectElement addAttributeWithName: @"count"
					stringValue: count];
		[objectElement addChild: [object XMLElementBySerializing]];
		[element addChild: objectElement];

		[pool2 releaseObjects];
	}

	[element retain];
	[pool release];
	[element autorelease];

	return element;
}

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

- (void)minusSet: (OFSet*)set
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

	if ([set isKindOfClass: [OFCountedSet class]]) {
		OFCountedSet *countedSet = (OFCountedSet*)set;
		OFEnumerator *enumerator = [countedSet objectEnumerator];
		id object;

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

			for (i = 0; i < count; i++)
				[self removeObject: object];
		}
	} else {
		OFEnumerator *enumerator = [set objectEnumerator];
		id object;

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

	[pool release];
}

- (void)unionSet: (OFSet*)set
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

	if ([set isKindOfClass: [OFCountedSet class]]) {
		OFCountedSet *countedSet = (OFCountedSet*)set;
		OFEnumerator *enumerator = [countedSet objectEnumerator];
		id object;

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

			for (i = 0; i < count; i++)
				[self addObject: object];
		}
	} else {
		OFEnumerator *enumerator = [set objectEnumerator];
		id object;

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

	[pool release];
}
@end