ObjFW  Diff

+ (void)initialize
{
	if (self == [OFMutableString_UTF8 class])
		[self inheritMethodsFromClass: [OFString_UTF8 class]];
}

- initWithUTF8StringNoCopy: (char*)UTF8String
	      freeWhenDone: (bool)freeWhenDone
{
	@try {
		self = [self initWithUTF8String: UTF8String];
	} @finally {
		if (freeWhenDone)
			free(UTF8String);
	}

	return self;
}

- (void)OF_convertWithWordStartTable: (const of_unichar_t *const[])startTable
		     wordMiddleTable: (const of_unichar_t *const[])middleTable
		  wordStartTableSize: (size_t)startTableSize
		 wordMiddleTableSize: (size_t)middleTableSize
{
	of_unichar_t *unicodeString;
	size_t unicodeLen, newCStringLength;
	size_t i, j;
	char *newCString;
	bool isStart = true;

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

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

		_s->hashed = false;

		for (i = 0; i < _s->cStringLength; i++) {
			if (isStart)
				table = startTable;
			else
				table = middleTable;

			switch (_s->cString[i]) {
			case ' ':
			case '\t':
			case '\n':
			case '\r':
				isStart = true;
				break;
			default:
				isStart = false;
				break;
			}

			if ((t = table[0][(uint8_t)_s->cString[i]]) != 0)
				_s->cString[i] = t;
		}

		}

		switch (c) {
		case ' ':
		case '\t':
		case '\n':
		case '\r':
			isStart = true;
			break;
		default:
			isStart = false;
			break;
		}

		if (c >> 8 < tableSize) {
			of_unichar_t tc = table[c >> 8][c & 0xFF];

			if (tc)

	}

	assert(j == newCStringLength);
	newCString[j] = 0;
	[self freeMemory: unicodeString];

	[self freeMemory: _s->cString];
	_s->hashed = false;
	_s->cString = newCString;
	_s->cStringLength = newCStringLength;

	/*
	 * Even though cStringLength can change, length cannot, therefore no
	 * need to change it.
	 */

		    _s->cStringLength);

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

	/* Shortcut if old and new character both are ASCII */
	if (!(character & 0x80) && !(_s->cString[index] & 0x80)) {
		_s->hashed = false;
		_s->cString[index] = character;
		return;
	}

	if ((lenNew = of_string_utf8_encode(character, buffer)) == 0)
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];

	if ((lenOld = of_string_utf8_decode(_s->cString + index,
	    _s->cStringLength - index, &c)) == 0)
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];

	_s->hashed = false;

	if (lenNew == lenOld)
		memcpy(_s->cString + index, buffer, lenNew);
	else if (lenNew > lenOld) {
		_s->cString = [self resizeMemory: _s->cString
					    size: _s->cStringLength -
						  lenOld + lenNew + 1];

		memmove(_s->cString + index + lenNew,
		    _s->cString + index + lenOld,
		    _s->cStringLength - index - lenOld);
		memcpy(_s->cString + index, buffer, lenNew);

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

		if (character & 0x80)
			_s->isUTF8 = true;
	} 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 = true;
		break;
	case -1:
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];
	}

	_s->hashed = false;
	_s->cString = [self resizeMemory: _s->cString
				    size: _s->cStringLength +
					  UTF8StringLength + 1];
	memcpy(_s->cString + _s->cStringLength, UTF8String,
	    UTF8StringLength + 1);

	_s->cStringLength += UTF8StringLength;

	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 = true;
		break;
	case -1:
		@throw [OFInvalidEncodingException
		    exceptionWithClass: [self class]];
	}

	_s->hashed = false;
	_s->cString = [self resizeMemory: _s->cString
				    size: _s->cStringLength +
					  UTF8StringLength + 1];
	memcpy(_s->cString + _s->cStringLength, UTF8String, UTF8StringLength);

	_s->cStringLength += UTF8StringLength;
	_s->length += length;

	if (string == nil)
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];

	UTF8StringLength = [string UTF8StringLength];

	_s->hashed = false;
	_s->cString = [self resizeMemory: _s->cString
				    size: _s->cStringLength +
					  UTF8StringLength + 1];
	memcpy(_s->cString + _s->cStringLength, [string UTF8String],
	    UTF8StringLength);

	_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 = true;
	} else
		_s->isUTF8 = true;
}

- (void)appendCharacters: (of_unichar_t*)characters
		  length: (size_t)length
{
	char *tmp;

	tmp = [self allocMemoryWithSize: (length * 4) + 1];
	@try {
		size_t i, j = 0;
		bool isUTF8 = false;

		for (i = 0; i < length; i++) {
			char buffer[4];

			switch (of_string_utf8_encode(characters[i], buffer)) {
			case 1:
				tmp[j++] = buffer[0];
				break;
			case 2:
				isUTF8 = true;

				memcpy(tmp + j, buffer, 2);
				j += 2;

				break;
			case 3:
				isUTF8 = true;

				memcpy(tmp + j, buffer, 3);
				j += 3;

				break;
			case 4:
				isUTF8 = true;

				memcpy(tmp + j, buffer, 4);
				j += 4;

				break;
			default:
				@throw [OFInvalidEncodingException
				    exceptionWithClass: [self class]];
			}
		}

		tmp[j] = '\0';

		_s->hashed = false;
		_s->cString = [self resizeMemory: _s->cString
					    size: _s->cStringLength + j + 1];
		memcpy(_s->cString + _s->cStringLength, tmp, j + 1);

		_s->cStringLength += j;
		_s->length += length;

		if (isUTF8)
			_s->isUTF8 = true;
	} @finally {
		[self freeMemory: tmp];
	}
}

- (void)appendFormat: (OFConstantString*)format
	   arguments: (va_list)arguments

	}
}

- (void)reverse
{
	size_t i, j;

	_s->hashed = false;

	/* We reverse all bytes and restore UTF-8 later, if necessary */
	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];

		    exceptionWithClass: [self class]];

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

	newCStringLength = _s->cStringLength + [string UTF8StringLength];
	_s->hashed = false;
	_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 = true;
	} else
		_s->isUTF8 = true;
}

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

	if (range.length > SIZE_MAX - range.location || end > _s->length)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	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);
	_s->hashed = false;
	_s->length -= range.length;
	_s->cStringLength -= end - start;
	_s->cString[_s->cStringLength] = 0;

	@try {
		_s->cString = [self resizeMemory: _s->cString
					    size: _s->cStringLength + 1];

		    _s->cStringLength);
		end = of_string_utf8_get_position(_s->cString, end,
		    _s->cStringLength);
	}

	newCStringLength = _s->cStringLength - (end - start) +
	    [replacement UTF8StringLength];
	_s->hashed = false;
	_s->cString = [self resizeMemory: _s->cString
				    size: newCStringLength + 1];

	memmove(_s->cString + start + [replacement UTF8StringLength],
	    _s->cString + end, _s->cStringLength - end);
	memcpy(_s->cString + start, [replacement UTF8String],
	    [replacement UTF8StringLength]);

	}
	memcpy(newCString + newCStringLength, _s->cString + last,
	    _s->cStringLength - last);
	newCStringLength += _s->cStringLength - last;
	newCString[newCStringLength] = 0;

	[self freeMemory: _s->cString];
	_s->hashed = false;
	_s->cString = newCString;
	_s->cStringLength = newCStringLength;
	_s->length = newLength;
}

- (void)deleteLeadingWhitespaces
{
	size_t i;

	for (i = 0; i < _s->cStringLength; i++)
		if (_s->cString[i] != ' '  && _s->cString[i] != '\t' &&
		    _s->cString[i] != '\n' && _s->cString[i] != '\r' &&
		    _s->cString[i] != '\f')
			break;

	_s->hashed = false;
	_s->cStringLength -= i;
	_s->length -= i;

	memmove(_s->cString, _s->cString + i, _s->cStringLength);
	_s->cString[_s->cStringLength] = '\0';

	@try {
		_s->cString = [self resizeMemory: _s->cString
					    size: _s->cStringLength + 1];
	} @catch (OFOutOfMemoryException *e) {
		/* We don't really care, as we only made it smaller */
	}
}

- (void)deleteTrailingWhitespaces
{
	size_t d;
	char *p;

	_s->hashed = false;

	d = 0;
	for (p = _s->cString + _s->cStringLength - 1; p >= _s->cString; p--) {
		if (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\r' &&
		    *p != '\f')
			break;

}

- (void)deleteEnclosingWhitespaces
{
	size_t d, i;
	char *p;

	_s->hashed = false;

	d = 0;
	for (p = _s->cString + _s->cStringLength - 1; p >= _s->cString; p--) {
		if (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\r' &&
		    *p != '\f')
			break;