ObjFW  Check-in [6fbc3b18c7]

			return;

		ivars = OFAllocZeroedMemory(1, sizeof(*ivars));
		ivars->cString = _cString;
		ivars->cStringLength = _cStringLength;

		switch (_OFUTF8StringCheck(ivars->cString, ivars->cStringLength,
		    &ivars->length, &ivars->containsNull)) {
		case 1:
			ivars->isUTF8 = true;
			break;
		case -1:
			OFFreeMemory(ivars);
			@throw [OFInvalidEncodingException exception];
		}

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

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

	if (character == 0)
		_s->containsNull = true;

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

	if (UTF8StringLength >= 3 &&
	    memcmp(UTF8String, "\xEF\xBB\xBF", 3) == 0) {
		UTF8String += 3;
		UTF8StringLength -= 3;
	}

	switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength, &length,
	    &_s->containsNull)) {
	case 1:
		_s->isUTF8 = true;
		break;
	case -1:
		@throw [OFInvalidEncodingException exception];
	}

	if (UTF8StringLength >= 3 &&
	    memcmp(UTF8String, "\xEF\xBB\xBF", 3) == 0) {
		UTF8String += 3;
		UTF8StringLength -= 3;
	}

	switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength, &length,
	    &_s->containsNull)) {
	case 1:
		_s->isUTF8 = true;
		break;
	case -1:
		@throw [OFInvalidEncodingException exception];
	}

{
	const char *UTF8String;
	size_t UTF8StringLength;

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

	UTF8String = [string insecureCStringWithEncoding: OFStringEncodingUTF8];
	UTF8StringLength = string.UTF8StringLength;

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

		if (((OFMutableUTF8String *)string)->_s->containsNull)
			_s->containsNull = true;
	} else {
		switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength,
		    NULL, &_s->containsNull)) {
		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 {
		size_t j = 0;
		bool isUTF8 = false, containsNull = false;

		for (size_t i = 0; i < length; i++) {
			size_t len = _OFUTF8StringEncode(characters[i],
			    tmp + j);

			if (len == 0)
				@throw [OFInvalidEncodingException exception];

			if (len > 1)
				isUTF8 = true;

			if (characters[i] == 0)
				containsNull = true;

			j += len;
		}

		tmp[j] = '\0';

		_s->hasHash = false;
		_s->cString = OFResizeMemory(_s->cString,
		    _s->cStringLength + j + 1, 1);
		memcpy(_s->cString + _s->cStringLength, tmp, j + 1);

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

		if (isUTF8)
			_s->isUTF8 = true;

		if (containsNull)
			_s->containsNull = true;
	} @finally {
		OFFreeMemory(tmp);
	}
}

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

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

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

	UTF8String = [string insecureCStringWithEncoding: OFStringEncodingUTF8];
	UTF8StringLength = string.UTF8StringLength;

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

	memmove(_s->cString + idx + UTF8StringLength, _s->cString + idx,
	    _s->cStringLength - idx);
	memcpy(_s->cString + idx, UTF8String, 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;

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

	memmove(_s->cString + start, _s->cString + end,
	    _s->cStringLength - end);
	_s->hasHash = false;
	_s->length -= range.length;
	_s->cStringLength -= end - start;
	_s->cString[_s->cStringLength] = 0;

	if (_s->containsNull) {
		_s->containsNull = false;

		for (size_t i = 0; i < _s->cStringLength; i++)
			if (_s->cString[i] == '\0')
				_s->containsNull = true;
	}

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

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

	replacementString =
	    [replacement insecureCStringWithEncoding: OFStringEncodingUTF8];
	replacementLength = replacement.UTF8StringLength;

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

	/*

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

	if ([replacement isKindOfClass: [OFUTF8String class]] ||
	    [replacement isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)replacement)->_s->isUTF8)
			_s->isUTF8 = true;

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

	if (_s->containsNull) {
		_s->containsNull = false;

		for (size_t i = 0; i < _s->cStringLength; i++)
			if (_s->cString[i] == '\0')
				_s->containsNull = true;
	}
}

- (void)replaceOccurrencesOfString: (OFString *)string
			withString: (OFString *)replacement
			   options: (int)options
			     range: (OFRange)range
{
	const char *searchString =
	    [string insecureCStringWithEncoding: OFStringEncodingUTF8];
	const char *replacementString =
	    [replacement insecureCStringWithEncoding: OFStringEncodingUTF8];
	size_t searchLength = string.UTF8StringLength;
	size_t replacementLength = replacement.UTF8StringLength;
	size_t last, newCStringLength, newLength;
	char *newCString;

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

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

	if ([replacement isKindOfClass: [OFUTF8String class]] ||
	    [replacement isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)replacement)->_s->isUTF8)
			_s->isUTF8 = true;

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

	if (_s->containsNull) {
		_s->containsNull = false;

		for (size_t i = 0; i < _s->cStringLength; i++)
			if (_s->cString[i] == '\0')
				_s->containsNull = true;
	}
}

- (void)deleteLeadingWhitespaces
{
	size_t i;

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

		   runLoopMode: (OFRunLoopMode)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously receives a packet and stores it into the specified
 *	  buffer.
 *
 * @deprecated Use @ref asyncReceiveIntoBuffer:length:handler: instead.
 *
 * If the buffer is too small, the receive operation fails.
 *
 * @param buffer The buffer to write the packet to
 * @param length The length of the buffer
 * @param block The block to call when the packet has been received. If the
 *		block returns true, it will be called again with the same
 *		buffer and maximum length when more packets have been received.
 *		If you want the next method in the queue to handle the packet
 *		received next, you need to return false from the method.
 */
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
			 block: (OFSequencedPacketSocketAsyncReceiveBlock)block
    OF_DEPRECATED(ObjFW, 1, 2,
	"Use -[asyncReceiveIntoBuffer:length:handler:] instead");

/**
 * @brief Asynchronously receives a packet and stores it into the specified
 *	  buffer.
 *
 * If the buffer is too small, the receive operation fails.
 *

				buffer[i++] = '\r';
				(*pointer)++;
				break;
			case 't':
				buffer[i++] = '\t';
				(*pointer)++;
				break;
			case '0':
				buffer[i++] = '\0';
				(*pointer)++;
				break;
			/* Parse Unicode escape sequence */
			case 'u':;
				OFChar16 c1, c2;
				OFUnichar c;
				size_t l;

				c1 = parseUnicodeEscape(*pointer - 1, stop);

 * copy it.
 *
 * @param encoding The encoding for the C string
 * @return The OFString as a C string in the specified encoding
 */
- (const char *)lossyCStringWithEncoding: (OFStringEncoding)encoding;

/**
 * @brief Returns the OFString as an insecure C string (meaning it can contain
 *	  `\0`) in the specified encoding.
 *
 * The result is valid until the autorelease pool is released. If you want to
 * use the result outside the scope of the current autorelease pool, you have to
 * copy it.
 *
 * @param encoding The encoding for the C string
 * @return The OFString as a C string in the specified encoding
 */
- (const char *)insecureCStringWithEncoding: (OFStringEncoding)encoding;

/**
 * @brief Returns the number of bytes the string needs in the specified
 *	  encoding.
 *
 * @param encoding The encoding for the string
 * @return The number of bytes the string needs in the specified encoding.
 * @throw OFInvalidEncodingException The string cannot be represented in the

# endif
#endif

@interface OFString ()
- (size_t)of_getCString: (char *)cString
	      maxLength: (size_t)maxLength
	       encoding: (OFStringEncoding)encoding
		  lossy: (bool)lossy
	       insecure: (bool)insecure OF_DIRECT;
- (const char *)of_cStringWithEncoding: (OFStringEncoding)encoding
				 lossy: (bool)lossy
			      insecure: (bool)insecure OF_DIRECT;
- (OFString *)
    of_JSONRepresentationWithOptions: (OFJSONRepresentationOptions)options
			       depth: (size_t)depth;
@end

@interface OFPlaceholderString: OFString
@end

extern bool _OFUnicodeToISO8859_2(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToISO8859_3(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToISO8859_15(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToWindows1250(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToWindows1251(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToWindows1252(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToCodepage437(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToCodepage850(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToCodepage852(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToCodepage858(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToMacRoman(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToKOI8R(const OFUnichar *, unsigned char *,
    size_t, bool, bool);
extern bool _OFUnicodeToKOI8U(const OFUnichar *, unsigned char *,
    size_t, bool, bool);

/* References for static linking */
void OF_VISIBILITY_HIDDEN
_references_to_categories_of_OFString(void)
{
	_OFString_CryptographicHashing_reference = 1;
	_OFString_JSONParsing_reference = 1;

	memcpy(copy, string, length + 1);

	return copy;
}

#ifdef OF_OBJFW_RUNTIME
static bool
isASCIIWithoutNull(const char *string, size_t length)
{
	uint8_t combined = 0;
	bool containsNull = false;

	for (size_t i = 0; i < length; i++) {
		combined |= string[i];

		if (string[i] == '\0')
			containsNull = true;
	}

	return !(combined & ~0x7F) && !containsNull;
}
#endif

@implementation OFPlaceholderString
#ifdef __clang__
/* We intentionally don't call into super, so silence the warning. */
# pragma clang diagnostic push

	void *storage;

	if (length == 0)
		return (id)@"";

#ifdef OF_OBJFW_RUNTIME
	if (length <= MAX_TAGGED_POINTER_LENGTH &&
	    isASCIIWithoutNull(UTF8String, length)) {
		id ret = [OFTaggedPointerString
		    stringWithASCIIString: UTF8String
				   length: length];

		if (ret != nil)
			return ret;
	}

	void *storage;

	if (UTF8StringLength == 0)
		return (id)@"";

#ifdef OF_OBJFW_RUNTIME
	if (UTF8StringLength <= MAX_TAGGED_POINTER_LENGTH &&
	    isASCIIWithoutNull(UTF8String, UTF8StringLength)) {
		id ret = [OFTaggedPointerString
		    stringWithASCIIString: UTF8String
				   length: UTF8StringLength];

		if (ret != nil)
			return ret;
	}

		void *storage;

		if (length == 0)
			return (id)@"";

#ifdef OF_OBJFW_RUNTIME
		if (length <= MAX_TAGGED_POINTER_LENGTH &&
		    isASCIIWithoutNull(cString, length)) {
			id ret = [OFTaggedPointerString
			    stringWithASCIIString: cString
					   length: length];

			if (ret != nil)
				return ret;
		}

		void *storage;

		if (cStringLength == 0)
			return (id)@"";

#ifdef OF_OBJFW_RUNTIME
		if (cStringLength <= MAX_TAGGED_POINTER_LENGTH &&
		    isASCIIWithoutNull(cString, cStringLength)) {
			id ret = [OFTaggedPointerString
			    stringWithASCIIString: cString
					   length: cStringLength];

			if (ret != nil)
				return ret;
		}

{
	if (length == 0)
		return (id)@"";

#ifdef OF_OBJFW_RUNTIME
	if (length <= MAX_TAGGED_POINTER_LENGTH) {
		char buffer[MAX_TAGGED_POINTER_LENGTH];
		bool useTaggedPointer = true;

		for (size_t i = 0; i < length; i++) {
			if (string[i] >= 0x80 || string[i] == 0) {
				useTaggedPointer = false;
				break;
			}

			buffer[i] = (char)string[i];
		}

		if (useTaggedPointer) {
			id ret = [OFTaggedPointerString
			    stringWithASCIIString: buffer
					   length: length];

			if (ret != nil)
				return ret;
		}

	return self;
}

- (size_t)of_getCString: (char *)cString
	      maxLength: (size_t)maxLength
	       encoding: (OFStringEncoding)encoding
		  lossy: (bool)lossy
	       insecure: (bool)insecure
{
	const OFUnichar *characters = self.characters;
	size_t i, length = self.length;

	switch (encoding) {
	case OFStringEncodingUTF8:;
		size_t j = 0;

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

			if OF_UNLIKELY (!insecure && characters[i] == 0)
				@throw [OFInvalidEncodingException exception];

			len = _OFUTF8StringEncode(characters[i], buffer);

			/*
			 * Check for one more than the current index, as we
			 * need one for the terminating zero.
			 */
			if (j + len >= maxLength)
				@throw [OFOutOfRangeException exception];

		return j;
	case OFStringEncodingASCII:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		for (i = 0; i < length; i++) {
			if OF_UNLIKELY (!insecure && characters[i] == 0)
				@throw [OFInvalidEncodingException exception];

			if OF_UNLIKELY (characters[i] > 0x80) {
				if (lossy)
					cString[i] = '?';
				else
					@throw [OFInvalidEncodingException
					    exception];
			} else
				cString[i] = (unsigned char)characters[i];
		}

		cString[i] = '\0';

		return length;
	case OFStringEncodingISO8859_1:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		for (i = 0; i < length; i++) {
			if OF_UNLIKELY (!insecure && characters[i] == 0)
				@throw [OFInvalidEncodingException exception];

			if OF_UNLIKELY (characters[i] > 0xFF) {
				if (lossy)
					cString[i] = '?';
				else
					@throw [OFInvalidEncodingException
					    exception];
			} else
				cString[i] = (unsigned char)characters[i];
		}

		cString[i] = '\0';

		return length;
#ifdef HAVE_ISO_8859_2
	case OFStringEncodingISO8859_2:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToISO8859_2(characters, (unsigned char *)cString,
		    length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_ISO_8859_3
	case OFStringEncodingISO8859_3:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToISO8859_3(characters, (unsigned char *)cString,
		    length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_ISO_8859_15
	case OFStringEncodingISO8859_15:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToISO8859_15(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_WINDOWS_1250
	case OFStringEncodingWindows1250:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToWindows1250(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_WINDOWS_1251
	case OFStringEncodingWindows1251:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToWindows1251(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_WINDOWS_1252
	case OFStringEncodingWindows1252:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToWindows1252(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_CODEPAGE_437
	case OFStringEncodingCodepage437:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToCodepage437(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_CODEPAGE_850
	case OFStringEncodingCodepage850:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToCodepage850(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_CODEPAGE_852
	case OFStringEncodingCodepage852:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToCodepage852(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_CODEPAGE_858
	case OFStringEncodingCodepage858:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToCodepage858(characters,
		    (unsigned char *)cString, length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_MAC_ROMAN
	case OFStringEncodingMacRoman:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToMacRoman(characters, (unsigned char *)cString,
		    length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_KOI8_R
	case OFStringEncodingKOI8R:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToKOI8R(characters, (unsigned char *)cString,
		    length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
#ifdef HAVE_KOI8_U
	case OFStringEncodingKOI8U:
		if (length + 1 > maxLength)
			@throw [OFOutOfRangeException exception];

		if (!_OFUnicodeToKOI8U(characters, (unsigned char *)cString,
		    length, lossy, insecure))
			@throw [OFInvalidEncodingException exception];

		cString[length] = '\0';

		return length;
#endif
	default:
		@throw [OFInvalidArgumentException exception];
	}
}

- (size_t)getCString: (char *)cString
	   maxLength: (size_t)maxLength
	    encoding: (OFStringEncoding)encoding
{
	return [self of_getCString: cString
			 maxLength: maxLength
			  encoding: encoding
			     lossy: false
			  insecure: false];
}

- (size_t)getLossyCString: (char *)cString
		maxLength: (size_t)maxLength
		 encoding: (OFStringEncoding)encoding
{
	return [self of_getCString: cString
			 maxLength: maxLength
			  encoding: encoding
			     lossy: true
			  insecure: false];
}

- (const char *)of_cStringWithEncoding: (OFStringEncoding)encoding
				 lossy: (bool)lossy
			      insecure: (bool)insecure
{
	size_t length = self.length;
	char *cString;
	size_t cStringLength;
	const char *ret;

	switch (encoding) {
	case OFStringEncodingUTF8:
		cString = OFAllocMemory((length * 4) + 1, 1);

		@try {
			cStringLength = [self
			    of_getCString: cString
				maxLength: (length * 4) + 1
				 encoding: OFStringEncodingUTF8
				    lossy: lossy
				 insecure: insecure];
		} @catch (id e) {
			OFFreeMemory(cString);
			@throw e;
		}

		@try {
			cString = OFResizeMemory(cString, cStringLength + 1, 1);

	case OFStringEncodingKOI8U:
		cString = OFAllocMemory(length + 1, 1);

		@try {
			cStringLength = [self of_getCString: cString
						  maxLength: length + 1
						   encoding: encoding
						      lossy: lossy
						   insecure: insecure];
		} @catch (id e) {
			OFFreeMemory(cString);
			@throw e;
		}

		break;
	default:

	}

	return ret;
}

- (const char *)cStringWithEncoding: (OFStringEncoding)encoding
{
	return [self of_cStringWithEncoding: encoding
				      lossy: false
				   insecure: false];
}

- (const char *)lossyCStringWithEncoding: (OFStringEncoding)encoding
{
	return [self of_cStringWithEncoding: encoding
				      lossy: true
				   insecure: false];
}

- (const char *)insecureCStringWithEncoding: (OFStringEncoding)encoding
{
	return [self of_cStringWithEncoding: encoding
				      lossy: false
				   insecure: true];
}

- (const char *)UTF8String
{
	return [self of_cStringWithEncoding: OFStringEncodingUTF8
				      lossy: false
				   insecure: false];
}

- (size_t)length
{
	OF_UNRECOGNIZED_SELECTOR
}

- (size_t)cStringLengthWithEncoding: (OFStringEncoding)encoding
{
	switch (encoding) {
	case OFStringEncodingUTF8:;
		const OFUnichar *characters;
		size_t length, UTF8StringLength = 0;

		characters = self.characters;
		length = self.length;

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

			if (characters[i] == 0)
				@throw [OFInvalidArgumentException exception];

			len = _OFUTF8StringEncode(characters[i], buffer);
			if (len == 0)
				@throw [OFInvalidEncodingException exception];

			UTF8StringLength += len;
		}

		return UTF8StringLength;

	[JSON replaceOccurrencesOfString: @"\b" withString: @"\\b"];
	[JSON replaceOccurrencesOfString: @"\f" withString: @"\\f"];
	[JSON replaceOccurrencesOfString: @"\r" withString: @"\\r"];
	[JSON replaceOccurrencesOfString: @"\t" withString: @"\\t"];

	if (options & OFJSONRepresentationOptionJSON5) {
		[JSON replaceOccurrencesOfString: @"\n" withString: @"\\\n"];
		[JSON replaceOccurrencesOfString: @"\0" withString: @"\\0"];

		if (options & OFJSONRepresentationOptionIsIdentifier) {
			const char *cString = JSON.UTF8String;

			if ((!OFASCIIIsAlpha(cString[0]) &&
			    cString[0] != '_' && cString[0] != '$') ||
			    strpbrk(cString, " \n\r\t\b\f\\\"'") != NULL) {
				[JSON insertString: @"\"" atIndex: 0];
				[JSON appendString: @"\""];
			}
		} else {
			[JSON insertString: @"\"" atIndex: 0];
			[JSON appendString: @"\""];
		}
	} else {
		[JSON replaceOccurrencesOfString: @"\n" withString: @"\\n"];
		[JSON replaceOccurrencesOfString: @"\0" withString: @"\\u0000"];

		[JSON insertString: @"\"" atIndex: 0];
		[JSON appendString: @"\""];
	}

	[JSON makeImmutable];

		data = [OFMutableData dataWithCapacity: length + 5];
		[data addItem: &type];
		[data addItems: &tmp count: sizeof(tmp)];
	} else
		@throw [OFOutOfRangeException exception];

	[data addItems: [self insecureCStringWithEncoding: OFStringEncodingUTF8]
		 count: length];

	return data;
}

- (OFRange)rangeOfString: (OFString *)string
{
	return [self rangeOfString: string

	/* Allocate memory for the worst case */
	buffer = OFAllocMemory((length + 1) * 2, sizeof(OFChar16));

	j = 0;
	for (size_t i = 0; i < length; i++) {
		OFUnichar c = characters[i];

		if (c > 0x10FFFF || c == 0) {
			OFFreeMemory(buffer);
			@throw [OFInvalidEncodingException exception];
		}

		if (swap) {
			if (c > 0xFFFF) {
				c -= 0x10000;

	const OFChar32 *ret;

	buffer = OFAllocMemory(length + 1, sizeof(OFChar32));
	@try {
		[self getCharacters: buffer inRange: OFMakeRange(0, length)];
		buffer[length] = 0;

		for (size_t i = 0; i < length; i++) {
			if (buffer[i] == 0)
				@throw [OFInvalidEncodingException exception];

			if (byteOrder != OFByteOrderNative)

				buffer[i] = OFByteSwap32(buffer[i]);
		}

		ret = [[OFData dataWithItemsNoCopy: buffer
					     count: length + 1
					  itemSize: sizeof(OFChar32)
				      freeWhenDone: true] items];
	} @catch (id e) {
		OFFreeMemory(buffer);

@class OFTCPSocket;
@class OFString;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief A block which is called when the socket connected.
 *
 * @deprecated Use @ref OFTCPSocketConnectedHandler instead.
 *
 * @param exception An exception which occurred while connecting the socket or
 *		    `nil` on success
 */
typedef void (^OFTCPSocketAsyncConnectBlock)(id _Nullable exception)
    OF_DEPRECATED(ObjFW, 1, 2, "Use OFTCPSocketConnecetedHandler instead");

			       length: (size_t)UTF8StringLength
			      storage: (char *)storage OF_METHOD_FAMILY(init);
@end

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFUTF8StringCheck(const char *, size_t, size_t *_Nullable, bool *)
    OF_VISIBILITY_HIDDEN;
extern size_t _OFUTF8StringIndexToPosition(const char *, size_t, size_t)
    OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

	 * Since constant strings don't have `_storage`, they have to allocate
	 * it on the first access. Strings created at runtime just set the
	 * pointer to `&_storage`.
	 */
	struct OFUTF8StringIvars {
		char          *cString;
		size_t        cStringLength;
		bool          isUTF8, containsNull;
		size_t        length;
		bool          hasHash;
		unsigned long hash;
		bool          freeWhenDone;
	} *restrict _s;
	struct OFUTF8StringIvars _storage;
}

			return OFOrderedAscending;
	}

	return OFOrderedSame;
}

int
_OFUTF8StringCheck(const char *UTF8String, size_t UTF8Length, size_t *length,
    bool *containsNull)
{
	size_t tmpLength = UTF8Length;
	int isUTF8 = 0;
	bool tmpContainsNull = false;

	for (size_t i = 0; i < UTF8Length; i++) {
		if OF_UNLIKELY (UTF8String[i] == '\0')
			tmpContainsNull = true;

		/* No sign of UTF-8 here */
		if OF_LIKELY (!(UTF8String[i] & 0x80))
			continue;

		isUTF8 = 1;

		/* We're missing a start byte here */

		i += 3;
		tmpLength -= 3;
	}

	if (length != NULL)
		*length = tmpLength;

	if (containsNull != NULL)
		*containsNull = tmpContainsNull;

	return isUTF8;
}

static size_t
positionToIndex(const char *string, size_t position)
{
	size_t idx = position;

		_s = &_storage;

		_s->cString = storage;
		_s->cStringLength = UTF8StringLength;

		switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength,
		    &_s->length, &_s->containsNull)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}

		_s->cString = OFAllocMemory(cStringLength + 1, 1);
		_s->cStringLength = cStringLength;
		_s->freeWhenDone = true;

		if (encoding == OFStringEncodingUTF8 ||
		    encoding == OFStringEncodingASCII) {
			switch (_OFUTF8StringCheck(cString, cStringLength,
			    &_s->length, &_s->containsNull)) {
			case 1:
				if (encoding == OFStringEncodingASCII)
					@throw [OFInvalidEncodingException
					    exception];

				_s->isUTF8 = true;
				break;

				if (!(cString[i] & 0x80)) {
					_s->cString[j++] = cString[i];
					continue;
				}

				_s->isUTF8 = true;

				if OF_UNLIKELY (cString[i] == '\0')
					_s->containsNull = true;

				bytes = _OFUTF8StringEncode(
				    (uint8_t)cString[i], buffer);

				if (bytes == 0)
					@throw [OFInvalidEncodingException
					    exception];

				_s->cStringLength += bytes - 1;
				_s->cString = OFResizeMemory(_s->cString,
				    _s->cStringLength + 1, 1);

			if (unichar < 0x7F) {
				_s->cString[j++] = (char)unichar;
				continue;
			}

			_s->isUTF8 = true;

			if OF_UNLIKELY (cString[i] == '\0')
				_s->containsNull = true;

			byteLength = _OFUTF8StringEncode(unichar, buffer);
			if (byteLength == 0)
				@throw [OFInvalidEncodingException exception];

			_s->cStringLength += byteLength - 1;
			_s->cString = OFResizeMemory(_s->cString,

		if (UTF8StringLength >= 3 &&
		    memcmp(UTF8String, "\xEF\xBB\xBF", 3) == 0) {
			UTF8String += 3;
			UTF8StringLength -= 3;
		}

		switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength,
		    &_s->length, &_s->containsNull)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}

	@try {
		_s = &_storage;

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

		_s->cString = OFAllocMemory(_s->cStringLength + 1, 1);
		memcpy(_s->cString,
		    [string insecureCStringWithEncoding: OFStringEncodingUTF8],
		    _s->cStringLength + 1);
		_s->freeWhenDone = true;

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

			    _s->cString + j);

			if (len == 0)
				@throw [OFInvalidEncodingException exception];

			if (len > 1)
				_s->isUTF8 = true;

			if OF_UNLIKELY (characters[i] == 0)
				_s->containsNull = true;

			j += len;
		}

		_s->cString[j] = '\0';
		_s->cStringLength = j;

			if (len == 0)
				@throw [OFInvalidEncodingException exception];

			if (len > 1)
				_s->isUTF8 = true;

			if OF_UNLIKELY (character == 0)
				_s->containsNull = true;

			j += len;
		}

		_s->cString[j] = '\0';
		_s->cStringLength = j;

		@try {

		_s->cString = OFAllocMemory((length * 4) + 1, 1);
		_s->length = length;
		_s->freeWhenDone = true;

		j = 0;
		for (size_t i = 0; i < length; i++) {
			char buffer[4];
			OFUnichar character = (swap
			    ? OFByteSwap32(characters[i]) : characters[i]);
			size_t len = _OFUTF8StringEncode(character, buffer);


			switch (len) {
			case 1:
				_s->cString[j++] = buffer[0];
				break;
			case 2:
			case 3:
			case 4:
				_s->isUTF8 = true;

				memcpy(_s->cString + j, buffer, len);
				j += len;

				break;
			default:
				@throw [OFInvalidEncodingException exception];
			}

			if OF_UNLIKELY (character == 0)
				_s->containsNull = true;
		}

		_s->cString[j] = '\0';
		_s->cStringLength = j;

		@try {
			_s->cString = OFResizeMemory(_s->cString, j + 1, 1);

		    arguments)) == -1)
			@throw [OFInvalidFormatException exception];

		_s->cStringLength = cStringLength;

		@try {
			switch (_OFUTF8StringCheck(tmp, cStringLength,
			    &_s->length, &_s->containsNull)) {
			case 1:
				_s->isUTF8 = true;
				break;
			case -1:
				@throw [OFInvalidEncodingException exception];
			}

	[super dealloc];
}

- (size_t)getCString: (char *)cString
	   maxLength: (size_t)maxLength
	    encoding: (OFStringEncoding)encoding
{
	if (_s->containsNull)
		@throw [OFInvalidEncodingException exception];

	switch (encoding) {
	case OFStringEncodingASCII:
		if (_s->isUTF8)
			@throw [OFInvalidEncodingException exception];
		/* intentional fall-through */
	case OFStringEncodingUTF8:
		if (_s->cStringLength + 1 > maxLength)

			       maxLength: maxLength
				encoding: encoding];
	}
}

- (const char *)cStringWithEncoding: (OFStringEncoding)encoding
{
	if (_s->containsNull)
		@throw [OFInvalidEncodingException exception];

	switch (encoding) {
	case OFStringEncodingASCII:
		if (_s->isUTF8)
			@throw [OFInvalidEncodingException exception];
		/* intentional fall-through */
	case OFStringEncodingUTF8:
		return _s->cString;
	default:
		return [super cStringWithEncoding: encoding];
	}
}

- (const char *)insecureCStringWithEncoding: (OFStringEncoding)encoding
{
	switch (encoding) {
	case OFStringEncodingASCII:
		if (_s->isUTF8)
			@throw [OFInvalidEncodingException exception];
		/* intentional fall-through */
	case OFStringEncodingUTF8:
		return _s->cString;
	default:
		return [super insecureCStringWithEncoding: encoding];
	}
}

- (const char *)UTF8String
{
	if (_s->containsNull)
		@throw [OFInvalidEncodingException exception];

	return _s->cString;
}

- (size_t)length
{
	return _s->length;
}

		return false;

	if (([string isKindOfClass: [OFUTF8String class]] ||
	    [string isKindOfClass: [OFMutableUTF8String class]]) &&
	    _s->hasHash && string->_s->hasHash && _s->hash != string->_s->hash)
		return false;

	if (memcmp(_s->cString,
	    [string insecureCStringWithEncoding: OFStringEncodingUTF8],
	    _s->cStringLength) != 0)
		return false;

	return true;
}

- (OFComparisonResult)compare: (OFString *)string
{
	size_t otherCStringLength, minimumCStringLength;
	int compare;

	if (string == self)
		return OFOrderedSame;

	if (![string isKindOfClass: [OFString class]])
		@throw [OFInvalidArgumentException exception];

	otherCStringLength = string.UTF8StringLength;
	minimumCStringLength = (_s->cStringLength > otherCStringLength
	    ? otherCStringLength : _s->cStringLength);

	if ((compare = memcmp(_s->cString,
	    [string insecureCStringWithEncoding: OFStringEncodingUTF8],
	    minimumCStringLength)) == 0) {
		if (_s->cStringLength > otherCStringLength)
			return OFOrderedDescending;
		if (_s->cStringLength < otherCStringLength)
			return OFOrderedAscending;
		return OFOrderedSame;
	}

	size_t i, j;
#endif
	int compare;

	if (string == self)
		return OFOrderedSame;

	otherCString =
	    [string insecureCStringWithEncoding: OFStringEncodingUTF8];
	otherCStringLength = string.UTF8StringLength;

#ifdef OF_HAVE_UNICODE_TABLES
	if (!_s->isUTF8) {
#endif
		minimumCStringLength = (_s->cStringLength > otherCStringLength
		    ? otherCStringLength : _s->cStringLength);

	objc_autoreleasePoolPop(pool);
}

- (OFRange)rangeOfString: (OFString *)string
		 options: (OFStringSearchOptions)options
		   range: (OFRange)range
{
	const char *cString =
	    [string insecureCStringWithEncoding: OFStringEncodingUTF8];
	size_t cStringLength = string.UTF8StringLength;
	size_t rangeLocation, rangeLength;

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

	}

	return OFMakeRange(OFNotFound, 0);
}

- (bool)containsString: (OFString *)string
{
	const char *cString =
	    [string insecureCStringWithEncoding: OFStringEncodingUTF8];
	size_t cStringLength = string.UTF8StringLength;

	if (cStringLength == 0)
		return true;

	if (cStringLength > _s->cStringLength)
		return false;

- (bool)hasPrefix: (OFString *)prefix
{
	size_t cStringLength = prefix.UTF8StringLength;

	if (cStringLength > _s->cStringLength)
		return false;

	return (memcmp(_s->cString,
	    [prefix insecureCStringWithEncoding: OFStringEncodingUTF8],
	    cStringLength) == 0);
}

- (bool)hasSuffix: (OFString *)suffix
{
	size_t cStringLength = suffix.UTF8StringLength;

	if (cStringLength > _s->cStringLength)
		return false;

	return (memcmp(_s->cString + (_s->cStringLength - cStringLength),
	    [suffix insecureCStringWithEncoding: OFStringEncodingUTF8],
	    cStringLength) == 0);
}

- (OFArray *)componentsSeparatedByString: (OFString *)delimiter
				 options: (OFStringSeparationOptions)options
{
	void *pool;
	OFMutableArray *array;

		@throw [OFInvalidArgumentException exception];

	if (delimiter.length == 0)
		return [OFArray arrayWithObject: self];

	array = [OFMutableArray array];
	pool = objc_autoreleasePoolPush();
	cString = [delimiter insecureCStringWithEncoding: OFStringEncodingUTF8];
	cStringLength = delimiter.UTF8StringLength;

	if (cStringLength > _s->cStringLength) {
		[array addObject: [[self copy] autorelease]];
		objc_autoreleasePoolPop(pool);

		return array;

	}

	return ret;
}

- (const OFChar32 *)UTF32StringWithByteOrder: (OFByteOrder)byteOrder
{
	OFChar32 *buffer;
	size_t i = 0, j = 0;
	const OFChar32 *ret;

	if (_s->containsNull)
		@throw [OFInvalidEncodingException exception];

	buffer = OFAllocMemory(_s->length + 1, sizeof(OFChar32));

	while (i < _s->cStringLength) {
		OFChar32 c;
		ssize_t cLen;

		cLen = _OFUTF8StringDecode(_s->cString + i,
		    _s->cStringLength - i, &c);

	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0xFE
};
static const uint8_t page25Start = 0x00;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToCodepage437(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return 0;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0xFE
};
static const uint8_t page25Start = 0x00;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToCodepage850(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0xFE
};
static const uint8_t page25Start = 0x00;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToCodepage852(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0xFE
};
static const uint8_t page25Start = 0x00;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToCodepage858(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

static const unsigned char page20[] = {
	0xA4
};
static const uint8_t page20Start = 0xAC;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToISO8859_15(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0xA2, 0xFF, 0x00, 0xB2, 0x00, 0xBD
};
static const uint8_t page2Start = 0xC7;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToISO8859_2(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

static const unsigned char page2[] = {
	0xA2, 0xFF
};
static const uint8_t page2Start = 0xD8;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToISO8859_3(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x94
};
static const uint8_t page25Start = 0x00;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToKOI8R(const OFUnichar *input, unsigned char *output, size_t length,
    bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x94
};
static const uint8_t page25Start = 0x00;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToKOI8U(const OFUnichar *input, unsigned char *output, size_t length,
    bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

static const unsigned char pageFB[] = {
	0xDE, 0xDF
};
static const uint8_t pageFBStart = 0x01;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToMacRoman(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

static const unsigned char page21[] = {
	0x99
};
static const uint8_t page21Start = 0x22;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToWindows1250(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

	0xB9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x99
};
static const uint8_t page21Start = 0x16;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToWindows1251(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

static const unsigned char page21[] = {
	0x99
};
static const uint8_t page21Start = 0x22;

bool OF_VISIBILITY_HIDDEN
_OFUnicodeToWindows1252(const OFUnichar *input, unsigned char *output,
    size_t length, bool lossy, bool insecure)
{
	for (size_t i = 0; i < length; i++) {
		OFUnichar c;

		if OF_UNLIKELY (!insecure && input[i] == 0)
			return false;

		c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t idx;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';

@interface OFJSONTests: OTTestCase
{
	OFDictionary *_dictionary;
}
@end

static OFString *string = @"{\"f\\0oo\"\t:'b\\na\\r', \"x\":/*foo*/ [.5\r,0xF,"
    @"null//bar\n,\"foo\",false]}";

@implementation OFJSONTests
- (void)setUp
{
	[super setUp];

	_dictionary = [[OTOrderedDictionary alloc] initWithKeysAndObjects:
	    @"f\0oo", @"b\na\r",
	    @"x", [OFArray arrayWithObjects:
		[OFNumber numberWithFloat: .5f],
		[OFNumber numberWithInt: 0xF],
		[OFNull null],
		@"foo",
		[OFNumber numberWithBool: false],
		nil],

{
	OTAssertEqualObjects(string.objectByParsingJSON, _dictionary);
}

- (void)testJSONRepresentation
{
	OTAssert(_dictionary.JSONRepresentation,
	    @"{\"f\\u0000oo\":\"b\\na\\r\",\"x\":[0.5,15,null,\"foo\",false]}");
}

- (void)testSortedJSONRepresentation
{
	OTAssertEqualObjects(
	    [([OFDictionary dictionaryWithKeysAndObjects:
	    @"b", @"a", @"a", @"b", nil])
	    JSONRepresentationWithOptions: OFJSONRepresentationOptionSorted],
	    @"{\"a\":\"b\",\"b\":\"a\"}");
}

- (void)testPrettyJSONRepresentation
{
	OTAssertEqualObjects([_dictionary JSONRepresentationWithOptions:
	    OFJSONRepresentationOptionPretty],
	    @"{\n\t\"f\\u0000oo\": \"b\\na\\r\",\n\t\"x\": [\n\t\t0.5,\n\t\t15,"
	    @"\n\t\tnull,\n\t\t\"foo\",\n\t\tfalse\n\t]\n}");
}

- (void)testJSON5Representation
{
	OTAssertEqualObjects([_dictionary JSONRepresentationWithOptions:
	    OFJSONRepresentationOptionJSON5],
	    @"{\"f\\0oo\":\"b\\\na\\r\",x:[0.5,15,null,\"foo\",false]}");
}

- (void)testObjectByParsingJSONFailsWithInvalidJSON
{
	OTAssertThrowsSpecific([@"{" objectByParsingJSON],
	    OFInvalidJSONException);