ObjFW  Diff

{
	of_unichar_t *unicodeString;
	size_t unicodeLen, newCStringLength;
	size_t i, j;
	char *newCString;
	BOOL isStart = YES;

	if (!s->isUTF8) {
		uint8_t t;
		const of_unichar_t *const *table;

		assert(startTableSize >= 1 && middleTableSize >= 1);

		s->hashed = NO;

- (void)setCharacter: (of_unichar_t)character
	     atIndex: (size_t)index
{
	char buffer[4];
	of_unichar_t c;
	size_t lenNew, lenOld;

	if (s->isUTF8)
		index = of_string_utf8_get_position(s->cString, index,
		    s->cStringLength);

	if (index > s->cStringLength)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	/* Shortcut if old and new character both are ASCII */

		memcpy(s->cString + index, buffer, lenNew);

		s->cStringLength -= lenOld;
		s->cStringLength += lenNew;
		s->cString[s->cStringLength] = '\0';

		if (character & 0x80)
			s->isUTF8 = YES;
	} else if (lenNew < lenOld) {
		memmove(s->cString + index + lenNew,
		    s->cString + index + lenOld,
		    s->cStringLength - index - lenOld);
		memcpy(s->cString + index, buffer, lenNew);

		s->cStringLength -= lenOld;

	if (UTF8StringLength >= 3 && !memcmp(UTF8String, "\xEF\xBB\xBF", 3)) {
		UTF8String += 3;
		UTF8StringLength -= 3;
	}

	switch (of_string_utf8_check(UTF8String, UTF8StringLength, &length)) {
	case 1:
		s->isUTF8 = YES;
		break;
	case -1:
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];
	}

	s->hashed = NO;

	if (UTF8StringLength >= 3 && !memcmp(UTF8String, "\xEF\xBB\xBF", 3)) {
		UTF8String += 3;
		UTF8StringLength -= 3;
	}

	switch (of_string_utf8_check(UTF8String, UTF8StringLength, &length)) {
	case 1:
		s->isUTF8 = YES;
		break;
	case -1:
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];
	}

	s->hashed = NO;

	s->cStringLength += UTF8StringLength;
	s->length += [string length];

	s->cString[s->cStringLength] = 0;

	if ([string isKindOfClass: [OFString_UTF8 class]] ||
	    [string isKindOfClass: [OFMutableString_UTF8 class]]) {
		if (((OFString_UTF8*)string)->s->isUTF8)
			s->isUTF8 = YES;
	} else
		s->isUTF8 = YES;
}

- (void)appendFormat: (OFConstantString*)format
       withArguments: (va_list)arguments
{
	char *UTF8String;
	int UTF8StringLength;

	for (i = 0, j = s->cStringLength - 1; i < s->cStringLength / 2;
	    i++, j--) {
		s->cString[i] ^= s->cString[j];
		s->cString[j] ^= s->cString[i];
		s->cString[i] ^= s->cString[j];
	}

	if (!s->isUTF8)
		return;

	for (i = 0; i < s->cStringLength; i++) {
		/* ASCII */
		if OF_LIKELY (!(s->cString[i] & 0x80))
			continue;

{
	size_t newCStringLength;

	if (index > s->length)
		@throw [OFOutOfRangeException
		    exceptionWithClass: [self class]];

	if (s->isUTF8)
		index = of_string_utf8_get_position(s->cString, index,
		    s->cStringLength);

	newCStringLength = s->cStringLength + [string UTF8StringLength];
	s->hashed = NO;
	s->cString = [self resizeMemory: s->cString
				   size: newCStringLength + 1];

	memmove(s->cString + index + [string UTF8StringLength],
	    s->cString + index, s->cStringLength - index);
	memcpy(s->cString + index, [string UTF8String],
	    [string UTF8StringLength]);
	s->cString[newCStringLength] = '\0';

	s->cStringLength = newCStringLength;
	s->length += [string length];

	if ([string isKindOfClass: [OFString_UTF8 class]] ||
	    [string isKindOfClass: [OFMutableString_UTF8 class]]) {
		if (((OFString_UTF8*)string)->s->isUTF8)
			s->isUTF8 = YES;
	} else
		s->isUTF8 = YES;
}

- (void)deleteCharactersInRange: (of_range_t)range
{
	size_t start = range.start;
	size_t end = range.start + range.length;

	if (end > s->length)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	s->hashed = NO;
	s->length -= end - start;

	if (s->isUTF8) {
		start = of_string_utf8_get_position(s->cString, start,
		    s->cStringLength);
		end = of_string_utf8_get_position(s->cString, end,
		    s->cStringLength);
	}

	memmove(s->cString + start, s->cString + end, s->cStringLength - end);

	size_t newCStringLength, newLength;

	if (end > s->length)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	newLength = s->length - (end - start) + [replacement length];

	if (s->isUTF8) {
		start = of_string_utf8_get_position(s->cString, start,
		    s->cStringLength);
		end = of_string_utf8_get_position(s->cString, end,
		    s->cStringLength);
	}

	newCStringLength = s->cStringLength - (end - start) +

	const char *searchString = [string UTF8String];
	const char *replacementString = [replacement UTF8String];
	size_t searchLength = [string UTF8StringLength];
	size_t replacementLength = [replacement UTF8StringLength];
	size_t i, last, newCStringLength, newLength;
	char *newCString;

	if (s->isUTF8) {
		range.start = of_string_utf8_get_position(s->cString,
		    range.start, s->cStringLength);
		range.length = of_string_utf8_get_position(s->cString,
		    range.start + range.length, s->cStringLength) - range.start;
	}

	if (range.start + range.length > [self UTF8StringLength])