ObjFW  Diff

	return ret;
}

- (OFString*)componentsJoinedByString: (OFString*)separator
{
	return [self componentsJoinedByString: separator
				usingSelector: @selector(description)];
				usingSelector: @selector(description)
				      options: 0];
}

- (OFString*)componentsJoinedByString: (OFString*)separator
			      options: (int)options
{
	return [self componentsJoinedByString: separator
				usingSelector: @selector(description)
				      options: options];
}

- (OFString*)componentsJoinedByString: (OFString*)separator
			usingSelector: (SEL)selector
{
	return [self componentsJoinedByString: separator
				usingSelector: selector
				      options: 0];
}

- (OFString*)componentsJoinedByString: (OFString*)separator
			usingSelector: (SEL)selector
			      options: (int)options
{
	void *pool;
	OFMutableString *ret;
	id *objects;
	size_t i, count;
	IMP append;

	if (separator == nil)
		@throw [OFInvalidArgumentException exception];

	count = [self count];

	if (count == 0)
		return @"";
	if (count == 1)
		return [[self firstObject] performSelector: selector];

	ret = [OFMutableString string];
	append = [ret methodForSelector: @selector(appendString:)];

	pool = objc_autoreleasePoolPush();
	objects = [self objects];

	if (options & OF_ARRAY_SKIP_EMPTY) {
		for (i = 0; i < count; i++) {
			void *pool2 = objc_autoreleasePoolPush();
			OFString *component =
			    [objects[i] performSelector: selector];

			if ([component length] > 0) {
				if ([ret length] > 0)
					[ret appendString: separator];
				[ret appendString: component];
			}

			objc_autoreleasePoolPop(pool2);
		}
	} else {
	for (i = 0; i < count - 1; i++) {
		void *pool2 = objc_autoreleasePoolPush();
		for (i = 0; i < count - 1; i++) {
			void *pool2 = objc_autoreleasePoolPush();

		append(ret, @selector(appendString:),
		    [objects[i] performSelector: selector]);
		append(ret, @selector(appendString:), separator);
			[ret appendString:
			    [objects[i] performSelector: selector]];
			[ret appendString: separator];

		objc_autoreleasePoolPop(pool2);
	}
			objc_autoreleasePoolPop(pool2);
		}
	append(ret, @selector(appendString:),
	    [objects[i] performSelector: selector]);
		[ret appendString: [objects[i] performSelector: selector]];
	}

	[ret makeImmutable];

	objc_autoreleasePoolPop(pool);

	return ret;
}