ObjFW  Diff

}

- (OFString*)stringByXMLUnescapingWithDelegate:
    (id <OFStringXMLUnescapingDelegate>)delegate
{
	const char *string;
	size_t i, last, length;
	BOOL inEntity;
	bool inEntity;
	OFMutableString *ret;

	string = [self UTF8String];
	length = [self UTF8StringLength];

	ret = [OFMutableString string];

	last = 0;
	inEntity = NO;
	inEntity = false;

	for (i = 0; i < length; i++) {
		if (!inEntity && string[i] == '&') {
			[ret appendUTF8String: string + last
				       length: i - last];

			last = i + 1;
			inEntity = YES;
			inEntity = true;
		} else if (inEntity && string[i] == ';') {
			const char *entity = string + last;
			size_t entityLength = i - last;

			if (entityLength == 2 && !memcmp(entity, "lt", 2))
				[ret appendCString: "<"
					  encoding: OF_STRING_ENCODING_ASCII

				[ret appendString: tmp];
				objc_autoreleasePoolPop(pool);
			} else
				@throw [OFInvalidEncodingException
				    exceptionWithClass: [self class]];

			last = i + 1;
			inEntity = NO;
			inEntity = false;
		}
	}

	if (inEntity)
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];

#ifdef OF_HAVE_BLOCKS
- (OFString*)stringByXMLUnescapingWithBlock:
    (of_string_xml_unescaping_block_t)block
{
	const char *string;
	size_t i, last, length;
	BOOL inEntity;
	bool inEntity;
	OFMutableString *ret;

	string = [self UTF8String];
	length = [self UTF8StringLength];

	ret = [OFMutableString string];

	last = 0;
	inEntity = NO;
	inEntity = false;

	for (i = 0; i < length; i++) {
		if (!inEntity && string[i] == '&') {
			[ret appendUTF8String: string + last
				       length: i - last];

			last = i + 1;
			inEntity = YES;
			inEntity = true;
		} else if (inEntity && string[i] == ';') {
			const char *entity = string + last;
			size_t entityLength = i - last;

			if (entityLength == 2 && !memcmp(entity, "lt", 2))
				[ret appendCString: "<"
					  encoding: OF_STRING_ENCODING_ASCII

					    exceptionWithClass: [self class]];

				[ret appendString: tmp];
				objc_autoreleasePoolPop(pool);
			}

			last = i + 1;
			inEntity = NO;
			inEntity = false;
		}
	}

	if (inEntity)
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];