ObjFW  Diff

- (OFString *)
    of_JSONRepresentationWithOptions: (OFJSONRepresentationOptions)options
			       depth: (size_t)depth
{
	OFMutableString *JSON = [OFMutableString stringWithString: @"{"];
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator *keyEnumerator = [self keyEnumerator];
	OFArray *keys = self.allKeys;
	OFEnumerator *objectEnumerator = [self objectEnumerator];
	size_t i, count = self.count;
	id key, object;

	if (options & OFJSONRepresentationOptionSorted)
		keys = keys.sortedArray;

	if (options & OFJSONRepresentationOptionPretty) {
		OFMutableString *indentation = [OFMutableString string];

		for (i = 0; i < depth; i++)
			[indentation appendString: @"\t"];

		[JSON appendString: @"\n"];

		i = 0;
		while ((key = [keyEnumerator nextObject]) != nil &&
		for (id key in keys) {
		    (object = [objectEnumerator nextObject]) != nil) {
			void *pool2 = objc_autoreleasePoolPush();
			id object = [self objectForKey: key];
			int identifierOptions =
			    options | OFJSONRepresentationOptionIsIdentifier;

			if (![key isKindOfClass: [OFString class]])
				@throw [OFInvalidArgumentException exception];

			[JSON appendString: indentation];

			objc_autoreleasePoolPop(pool2);
		}

		[JSON appendString: indentation];
	} else {
		i = 0;
		while ((key = [keyEnumerator nextObject]) != nil &&
		for (id key in keys) {
		    (object = [objectEnumerator nextObject]) != nil) {
			void *pool2 = objc_autoreleasePoolPush();
			id object = [self objectForKey: key];
			int identifierOptions =
			    options | OFJSONRepresentationOptionIsIdentifier;

			if (![key isKindOfClass: [OFString class]])
				@throw [OFInvalidArgumentException exception];

			[JSON appendString: [key