ObjFW  Diff

	char *newCString;

	if (!s->UTF8) {
		assert(tableSize >= 1);

		uint8_t *p = (uint8_t*)s->cString + s->cStringLength;
		uint8_t t;

		s->hashed = NO;

		while (--p >= (uint8_t*)s->cString)
			if ((t = table[0][*p]) != 0)
				*p = t;

		return;
	}

	}

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

	[self freeMemory: s->cString];
	s->hashed = NO;
	s->cString = newCString;
	s->cStringLength = newCStringLength;

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

	size_t length, oldLength;

	if (s->UTF8)
		index = of_string_index_to_position(s->cString, index,
		    s->cStringLength);

	if (!(character & 0x80) && !(s->cString[index] & 0x80)) {
		s->hashed = NO;
		s->cString[index] = character;
		return;
	}

	if ((length = of_string_unicode_to_utf8(character, buffer)) == 0)
		@throw [OFInvalidEncodingException exceptionWithClass: isa];

	if ((oldLength = of_string_utf8_to_unicode(s->cString + index,
	    s->cStringLength - index, &c)) == 0)
		@throw [OFInvalidEncodingException exceptionWithClass: isa];

	s->hashed = NO;

	if (length == oldLength) {
		memcpy(s->cString + index, buffer, length);
		return;
	}

	if (length > oldLength) {

	case 1:
		s->UTF8 = YES;
		break;
	case -1:
		@throw [OFInvalidEncodingException exceptionWithClass: isa];
	}

	s->hashed = NO;
	s->cString = [self resizeMemory: s->cString
				 toSize: s->cStringLength +
					 UTF8StringLength + 1];
	memcpy(s->cString + s->cStringLength, UTF8String, UTF8StringLength + 1);

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

	case 1:
		s->UTF8 = YES;
		break;
	case -1:
		@throw [OFInvalidEncodingException exceptionWithClass: isa];
	}

	s->hashed = NO;
	s->cString = [self resizeMemory: s->cString
				 toSize: s->cStringLength +
					 UTF8StringLength + 1];
	memcpy(s->cString + s->cStringLength, UTF8String, UTF8StringLength);

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

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

	UTF8StringLength = [string UTF8StringLength];

	s->hashed = NO;
	s->cString = [self resizeMemory: s->cString
				 toSize: s->cStringLength +
					 UTF8StringLength + 1];
	memcpy(s->cString + s->cStringLength, [string UTF8String],
	    UTF8StringLength);

	s->cStringLength += UTF8StringLength;

		free(UTF8String);
	}
}

- (void)reverse
{
	size_t i, j;

	s->hashed = NO;

	/* 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];

		@throw [OFOutOfRangeException exceptionWithClass: isa];

	if (s->UTF8)
		index = of_string_index_to_position(s->cString, index,
		    s->cStringLength);

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

	memmove(s->cString + index + [string UTF8StringLength],
	    s->cString + index, s->cStringLength - index);
	memcpy(s->cString + index, [string UTF8String],
	    [string UTF8StringLength]);

	if (start > end)
		@throw [OFInvalidArgumentException exceptionWithClass: isa
							     selector: _cmd];

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

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

	if (s->UTF8) {
		start = of_string_index_to_position(s->cString, start,
		    s->cStringLength);
		end = of_string_index_to_position(s->cString, end,
		    s->cStringLength);

		    s->cStringLength);
		end = of_string_index_to_position(s->cString, end,
		    s->cStringLength);
	}

	newCStringLength = s->cStringLength - (end - start) +
	    [replacement UTF8StringLength];
	s->hashed = NO;
	s->cString = [self resizeMemory: s->cString
				 toSize: newCStringLength + 1];

	memmove(s->cString + end, s->cString + start +
	    [replacement UTF8StringLength], 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 = NO;
	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 = NO;
	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
					 toSize: 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 = NO;

	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 = NO;

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