ObjFW  Diff

		objc_autoreleasePoolPop(pool);
	}
}

- (void)appendString: (OFString *)string
{
	const char *UTF8String;
	size_t UTF8StringLength;

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

	UTF8String = string.UTF8String;
	UTF8StringLength = string.UTF8StringLength;

	_s->hasHash = false;
	_s->cString = OFResizeMemory(_s->cString,
	    _s->cStringLength + UTF8StringLength + 1, 1);
	memcpy(_s->cString + _s->cStringLength, string.UTF8String,
	memcpy(_s->cString + _s->cStringLength, UTF8String, UTF8StringLength);
	    UTF8StringLength);

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

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

	if ([string isKindOfClass: [OFUTF8String class]] ||
	    [string isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)string)->_s->isUTF8)
			_s->isUTF8 = true;
	} else
		_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

- (void)appendCharacters: (const OFUnichar *)characters length: (size_t)length
{
	char *tmp = OFAllocMemory((length * 4) + 1, 1);

	@try {

	} @finally {
		free(UTF8String);
	}
}

- (void)insertString: (OFString *)string atIndex: (size_t)idx
{
	const char *UTF8String;
	size_t newCStringLength;
	size_t UTF8StringLength, newCStringLength;

	if (idx > _s->length)
		@throw [OFOutOfRangeException exception];

	if (_s->isUTF8)
		idx = _OFUTF8StringIndexToPosition(_s->cString, idx,
		    _s->cStringLength);

	UTF8String = string.UTF8String;
	UTF8StringLength = string.UTF8StringLength;

	newCStringLength = _s->cStringLength + string.UTF8StringLength;
	newCStringLength = _s->cStringLength + UTF8StringLength;
	_s->hasHash = false;
	_s->cString = OFResizeMemory(_s->cString, newCStringLength + 1, 1);

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

	_s->cStringLength = newCStringLength;
	_s->length += string.length;

	if ([string isKindOfClass: [OFUTF8String class]] ||
	    [string isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)string)->_s->isUTF8)
			_s->isUTF8 = true;
	} else
		_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

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

- (void)replaceCharactersInRange: (OFRange)range
		      withString: (OFString *)replacement
{
	size_t start = range.location;
	size_t end = range.location + range.length;
	size_t newCStringLength, newLength;
	const char *replacementString;
	size_t replacementLength;

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

	if (range.length > SIZE_MAX - range.location || end > _s->length)
		@throw [OFOutOfRangeException exception];

	newLength = _s->length - range.length + replacement.length;

	if (_s->isUTF8) {
		start = _OFUTF8StringIndexToPosition(_s->cString, start,
		    _s->cStringLength);
		end = _OFUTF8StringIndexToPosition(_s->cString, end,
		    _s->cStringLength);
	}

	replacementString = replacement.UTF8String;
	replacementLength = replacement.UTF8StringLength;

	newCStringLength = _s->cStringLength - (end - start) +
	    replacement.UTF8StringLength;
	newCStringLength =
	    _s->cStringLength - (end - start) + replacementLength;
	_s->hasHash = false;

	/*
	 * If the new string is bigger, we need to resize it first so we can
	 * memmove() the rest of the string to the end.
	 *
	 * We must not resize the string if the new string is smaller, because
	 * then we can't memmove() the rest of the string forward as the rest is
	 * lost due to the resize!
	 */
	if (newCStringLength > _s->cStringLength)
		_s->cString = OFResizeMemory(_s->cString, newCStringLength + 1,
		    1);

	memmove(_s->cString + start + replacement.UTF8StringLength,
	    _s->cString + end, _s->cStringLength - end);
	memcpy(_s->cString + start, replacement.UTF8String,
	memmove(_s->cString + start + replacementLength, _s->cString + end,
	    _s->cStringLength - end);
	memcpy(_s->cString + start, replacementString, replacementLength);
	    replacement.UTF8StringLength);
	_s->cString[newCStringLength] = '\0';

	/*
	 * If the new string is smaller, we can safely resize it now as we're
	 * done with memmove().
	 */
	if (newCStringLength < _s->cStringLength)
		_s->cString = OFResizeMemory(_s->cString, newCStringLength + 1,
		    1);

	_s->cStringLength = newCStringLength;
	_s->length = newLength;

	if ([replacement isKindOfClass: [OFUTF8String class]] ||
	    [replacement isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)replacement)->_s->isUTF8)
			_s->isUTF8 = true;
	} else
		_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(replacementString, replacementLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

- (void)replaceOccurrencesOfString: (OFString *)string
			withString: (OFString *)replacement
			   options: (int)options
			     range: (OFRange)range
{

	_s->cStringLength = newCStringLength;
	_s->length = newLength;

	if ([replacement isKindOfClass: [OFUTF8String class]] ||
	    [replacement isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)replacement)->_s->isUTF8)
			_s->isUTF8 = true;
	} else
		_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(replacementString, replacementLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

- (void)deleteLeadingWhitespaces
{
	size_t i;

	for (i = 0; i < _s->cStringLength; i++)