ObjFW  Diff

	return [super alloc];
}

#ifdef OF_HAVE_UNICODE_TABLES
- (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_DIRECT
{
	void *pool = objc_autoreleasePoolPush();
	const of_unichar_t *characters = self.characters;
	size_t length = self.length;
	bool isStart = true;

	for (size_t i = 0; i < length; i++) {
		const of_unichar_t *const *table;
		size_t tableSize;
		of_unichar_t c = characters[i];

		if (isStart) {
			table = startTable;
			tableSize = middleTableSize;
		} else {
			table = middleTable;
			tableSize = middleTableSize;
		}

		if (c >> 8 < tableSize && table[c >> 8][c & 0xFF])
			[self setCharacter: table[c >> 8][c & 0xFF]
				   atIndex: i];

		isStart = of_ascii_isspace(c);
	}

	objc_autoreleasePoolPop(pool);
}
#else

- (void)of_convertWithWordStartFunction: (char (*)(char))startFunction
		     wordMiddleFunction: (char (*)(char))middleFunction
    OF_DIRECT
{
	void *pool = objc_autoreleasePoolPush();
	const of_unichar_t *characters = self.characters;
	size_t length = self.length;
	bool isStart = true;

	for (size_t i = 0; i < length; i++) {
		char (*function)(char) =
		    (isStart ? startFunction : middleFunction);
		of_unichar_t c = characters[i];

		if (c <= 0x7F)
			[self setCharacter: (int)function(c)
				   atIndex: i];

		isStart = of_ascii_isspace(c);
	}

	objc_autoreleasePoolPop(pool);
}
#endif

- (void)setCharacter: (of_unichar_t)character
	     atIndex: (size_t)idx
{
	void *pool = objc_autoreleasePoolPush();
	OFString *string;

	string = [OFString stringWithCharacters: &character
					 length: 1];

	[self replaceCharactersInRange: of_range(idx, 1)
			    withString: string];

	objc_autoreleasePoolPop(pool);
}

- (void)appendString: (OFString *)string
{
	[self insertString: string
		   atIndex: self.length];
}

- (void)appendCharacters: (const of_unichar_t *)characters
		  length: (size_t)length
{
	void *pool = objc_autoreleasePoolPush();

	[self appendString: [OFString stringWithCharacters: characters
						    length: length]];

	objc_autoreleasePoolPop(pool);
}

- (void)appendUTF8String: (const char *)UTF8String
{
	void *pool = objc_autoreleasePoolPush();

	[self appendString: [OFString stringWithUTF8String: UTF8String]];

	objc_autoreleasePoolPop(pool);
}

- (void)appendUTF8String: (const char *)UTF8String
		  length: (size_t)UTF8StringLength
{
	void *pool = objc_autoreleasePoolPush();

	[self appendString: [OFString stringWithUTF8String: UTF8String
						    length: UTF8StringLength]];

	objc_autoreleasePoolPop(pool);
}

- (void)appendCString: (const char *)cString
	     encoding: (of_string_encoding_t)encoding
{
	void *pool = objc_autoreleasePoolPush();

	[self appendString: [OFString stringWithCString: cString
					       encoding: encoding]];

	objc_autoreleasePoolPop(pool);
}

- (void)appendCString: (const char *)cString
	     encoding: (of_string_encoding_t)encoding
	       length: (size_t)cStringLength
{
	void *pool = objc_autoreleasePoolPush();

	[self appendString: [OFString stringWithCString: cString
					       encoding: encoding
						 length: cStringLength]];

	objc_autoreleasePoolPop(pool);
}

- (void)appendFormat: (OFConstantString *)format, ...
{
	va_list arguments;

	va_start(arguments, format);
	[self appendFormat: format
		 arguments: arguments];
	va_end(arguments);
}

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

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

	if ((UTF8StringLength = of_vasprintf(&UTF8String, format.UTF8String,
	    arguments)) == -1)
		@throw [OFInvalidFormatException exception];

	@try {
		[self appendUTF8String: UTF8String
				length: UTF8StringLength];
	} @finally {
		free(UTF8String);
	}
}

- (void)prependString: (OFString *)string
{
	[self insertString: string
		   atIndex: 0];
}

- (void)reverse
{
	size_t i, j, length = self.length;

	for (i = 0, j = length - 1; i < length / 2; i++, j--) {
		of_unichar_t tmp = [self characterAtIndex: j];
		[self setCharacter: [self characterAtIndex: i]
			   atIndex: j];
		[self setCharacter: tmp
			   atIndex: i];
	}
}

#ifdef OF_HAVE_UNICODE_TABLES
- (void)uppercase
{
	[self of_convertWithWordStartTable: of_unicode_uppercase_table

			   wordMiddleTable: of_unicode_lowercase_table
			wordStartTableSize: OF_UNICODE_TITLECASE_TABLE_SIZE
		       wordMiddleTableSize: OF_UNICODE_LOWERCASE_TABLE_SIZE];
}
#else
- (void)uppercase
{
	[self of_convertWithWordStartFunction: of_ascii_toupper
			   wordMiddleFunction: of_ascii_toupper];
}

- (void)lowercase
{
	[self of_convertWithWordStartFunction: of_ascii_tolower
			   wordMiddleFunction: of_ascii_tolower];
}

- (void)capitalize
{
	[self of_convertWithWordStartFunction: of_ascii_toupper
			   wordMiddleFunction: of_ascii_tolower];
}
#endif

- (void)insertString: (OFString *)string
	     atIndex: (size_t)idx
{
	[self replaceCharactersInRange: of_range(idx, 0)
			    withString: string];
}

- (void)deleteCharactersInRange: (of_range_t)range
{
	[self replaceCharactersInRange: range
			    withString: @""];
}

- (void)replaceCharactersInRange: (of_range_t)range
		      withString: (OFString *)replacement
{
	OF_UNRECOGNIZED_SELECTOR
}