ObjFW  Diff

#include <stdlib.h>

#import "OFSet.h"
#import "OFArray.h"
#import "OFMapTableSet.h"
#import "OFNull.h"
#import "OFString.h"
#import "OFXMLElement.h"

static struct {
	Class isa;
} placeholder;

@interface OFSetPlaceholder: OFSet
@end

- (instancetype)initWithObject: (id)firstObject arguments: (va_list)arguments
{
	return (id)[[OFMapTableSet alloc] initWithObject: firstObject
					       arguments: arguments];
}

- (instancetype)initWithSerialization: (OFXMLElement *)element
{
	return (id)[[OFMapTableSet alloc] initWithSerialization: element];
}

- (instancetype)retain
{
	return self;
}

- (instancetype)autorelease
{

	va_end(arguments);

	return ret;
}

- (instancetype)initWithObject: (id)firstObject arguments: (va_list)arguments
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithSerialization: (OFXMLElement *)element
{
	OF_INVALID_INIT_METHOD
}

- (size_t)count
{
	OF_UNRECOGNIZED_SELECTOR
}

	for (id object in self)
		if ([set containsObject: object])
			return true;

	return false;
}

- (OFXMLElement *)XMLElementBySerializing
{
	void *pool = objc_autoreleasePoolPush();
	OFXMLElement *element;

	if ([self isKindOfClass: [OFMutableSet class]])
		element = [OFXMLElement elementWithName: @"OFMutableSet"
					      namespace: OFSerializationNS];
	else
		element = [OFXMLElement elementWithName: @"OFSet"
					      namespace: OFSerializationNS];

	for (id <OFSerialization> object in self) {
		void *pool2 = objc_autoreleasePoolPush();
		[element addChild: object.XMLElementBySerializing];
		objc_autoreleasePoolPop(pool2);
	}

	[element retain];

	objc_autoreleasePoolPop(pool);

	return [element autorelease];
}

- (OFSet *)setByAddingObjectsFromSet: (OFSet *)set
{
	OFMutableSet *new = [[self mutableCopy] autorelease];
	[new unionSet: set];
	[new makeImmutable];
	return new;
}