ObjFW  Diff

- (instancetype)initWithUTF8StringNoCopy: (char *)UTF8String
			    freeWhenDone: (bool)freeWhenDone
{
	id ret = [self initWithUTF8String: UTF8String];

	if (freeWhenDone)
		OFFreeMemory(UTF8String);

	return ret;
}

- (instancetype)initWithUTF8StringNoCopy: (char *)UTF8String
				  length: (size_t)UTF8StringLength
			    freeWhenDone: (bool)freeWhenDone
{
	id ret = [self initWithUTF8String: UTF8String length: UTF8StringLength];

	if (freeWhenDone)
		OFFreeMemory(UTF8String);

	return ret;
}

- (instancetype)initWithCString: (const char *)cString
		       encoding: (OFStringEncoding)encoding
{

		/*
		 * We need one extra byte for the terminating zero if we want
		 * to use -[initWithUTF8StringNoCopy:length:freeWhenDone:].
		 */
		if (SIZE_MAX - (size_t)fileSize < 1)
			@throw [OFOutOfRangeException exception];

		tmp = OFAllocMemory((size_t)fileSize + 1, 1);
		@try {
			file = [[OFFile alloc] initWithPath: path mode: @"r"];
			[file readIntoBuffer: tmp
				 exactLength: (size_t)fileSize];
		} @catch (id e) {
			OFFreeMemory(tmp);
			@throw e;
		} @finally {
			[file release];
		}

		tmp[(size_t)fileSize] = '\0';
	} @catch (id e) {
		[self release];
		@throw e;
	}

	if (encoding == OFStringEncodingUTF8) {
		@try {
			self = [self initWithUTF8StringNoCopy: tmp
						       length: (size_t)fileSize
						 freeWhenDone: true];
		} @catch (id e) {
			OFFreeMemory(tmp);
			@throw e;
		}
	} else {
		@try {
			self = [self initWithCString: tmp
					    encoding: encoding
					      length: (size_t)fileSize];
		} @finally {
			OFFreeMemory(tmp);
		}
	}

	return self;
}
#endif

{
	size_t length = self.length;
	char *cString;
	size_t cStringLength;

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

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

		@try {
			cString = OFResizeMemory(cString, cStringLength + 1, 1);
		} @catch (OFOutOfMemoryException *e) {
			/* We don't care, as we only tried to make it smaller */
		}

		break;
	case OFStringEncodingASCII:
	case OFStringEncodingISO8859_1:
	case OFStringEncodingISO8859_2:
	case OFStringEncodingISO8859_3:
	case OFStringEncodingISO8859_15:
	case OFStringEncodingWindows1251:
	case OFStringEncodingWindows1252:
	case OFStringEncodingCodepage437:
	case OFStringEncodingCodepage850:
	case OFStringEncodingCodepage858:
	case OFStringEncodingMacRoman:
	case OFStringEncodingKOI8R:
	case OFStringEncodingKOI8U:
		cString = OFAllocMemory(length + 1, 1);

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

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

	@try {
		return [[OFData dataWithItemsNoCopy: cString
					      count: cStringLength + 1
				       freeWhenDone: true] items];
	} @catch (id e) {
		OFFreeMemory(cString);
		@throw e;
	}
}

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

	if (range.length > SIZE_MAX / sizeof(OFUnichar))
		@throw [OFOutOfRangeException exception];

	pool = objc_autoreleasePoolPush();

	searchCharacters = string.characters;

	characters = OFAllocMemory(range.length, sizeof(OFUnichar));
	@try {
		[self getCharacters: characters inRange: range];

		if (options & OFStringSearchBackwards) {
			for (size_t i = range.length - searchLength;; i--) {
				if (memcmp(characters + i, searchCharacters,
				    searchLength * sizeof(OFUnichar)) == 0) {

					objc_autoreleasePoolPop(pool);
					return OFRangeMake(range.location + i,
					    searchLength);
				}
			}
		}
	} @finally {
		OFFreeMemory(characters);
	}

	objc_autoreleasePoolPop(pool);

	return OFRangeMake(OFNotFound, 0);
}

	if (range.length == 0)
		return OFNotFound;

	if (range.length > SIZE_MAX / sizeof(OFUnichar))
		@throw [OFOutOfRangeException exception];

	characters = OFAllocMemory(range.length, sizeof(OFUnichar));
	@try {
		[self getCharacters: characters inRange: range];

		if (options & OFStringSearchBackwards) {
			for (size_t i = range.length - 1;; i--) {
				if (characterIsMember(characterSet,
				    @selector(characterIsMember:),

			for (size_t i = 0; i < range.length; i++)
				if (characterIsMember(characterSet,
				    @selector(characterIsMember:),
				    characters[i]))
					return range.location + i;
		}
	} @finally {
		OFFreeMemory(characters);
	}

	return OFNotFound;
}

- (bool)containsString: (OFString *)string
{

	OFUnichar *tmp;
	size_t prefixLength;
	bool hasPrefix;

	if ((prefixLength = prefix.length) > self.length)
		return false;

	tmp = OFAllocMemory(prefixLength, sizeof(OFUnichar));
	@try {
		void *pool = objc_autoreleasePoolPush();

		[self getCharacters: tmp inRange: OFRangeMake(0, prefixLength)];

		hasPrefix = (memcmp(tmp, prefix.characters,
		    prefixLength * sizeof(OFUnichar)) == 0);

		objc_autoreleasePoolPop(pool);
	} @finally {
		OFFreeMemory(tmp);
	}

	return hasPrefix;
}

- (bool)hasSuffix: (OFString *)suffix
{
	OFUnichar *tmp;
	const OFUnichar *suffixCharacters;
	size_t length, suffixLength;
	bool hasSuffix;

	if ((suffixLength = suffix.length) > self.length)
		return false;

	length = self.length;

	tmp = OFAllocMemory(suffixLength, sizeof(OFUnichar));
	@try {
		void *pool = objc_autoreleasePoolPush();

		[self getCharacters: tmp
			    inRange: OFRangeMake(length - suffixLength,
					 suffixLength)];

		suffixCharacters = suffix.characters;
		hasSuffix = (memcmp(tmp, suffixCharacters,
		    suffixLength * sizeof(OFUnichar)) == 0);

		objc_autoreleasePoolPop(pool);
	} @finally {
		OFFreeMemory(tmp);
	}

	return hasSuffix;
}

- (OFArray *)componentsSeparatedByString: (OFString *)delimiter
{

}

- (const OFUnichar *)characters
{
	size_t length = self.length;
	OFUnichar *buffer;

	buffer = OFAllocMemory(length, sizeof(OFUnichar));
	@try {
		[self getCharacters: buffer inRange: OFRangeMake(0, length)];

		return [[OFData dataWithItemsNoCopy: buffer
					      count: length
					   itemSize: sizeof(OFUnichar)
				       freeWhenDone: true] items];
	} @catch (id e) {
		OFFreeMemory(buffer);
		@throw e;
	}
}

- (const OFChar16 *)UTF16String
{
	return [self UTF16StringWithByteOrder: OFByteOrderNative];
}

- (const OFChar16 *)UTF16StringWithByteOrder: (OFByteOrder)byteOrder
{
	void *pool = objc_autoreleasePoolPush();
	const OFUnichar *characters = self.characters;
	size_t length = self.length;
	OFChar16 *buffer;
	size_t j;
	bool swap = (byteOrder != OFByteOrderNative);

	/* 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) {
			OFFreeMemory(buffer);
			@throw [OFInvalidEncodingException exception];
		}

		if (swap) {
			if (c > 0xFFFF) {
				c -= 0x10000;
				buffer[j++] = OF_BSWAP16(0xD800 | (c >> 10));

			} else
				buffer[j++] = c;
		}
	}
	buffer[j] = 0;

	@try {
		buffer = OFResizeMemory(buffer, j + 1, sizeof(OFChar16));
	} @catch (OFOutOfMemoryException *e) {
		/* We don't care, as we only tried to make it smaller */
	}

	objc_autoreleasePoolPop(pool);

	@try {
		return [[OFData dataWithItemsNoCopy: buffer
					      count: j + 1
					   itemSize: sizeof(OFChar16)
				       freeWhenDone: true] items];
	} @catch (id e) {
		OFFreeMemory(buffer);
		@throw e;
	}
}

- (size_t)UTF16StringLength
{
	const OFUnichar *characters = self.characters;

}

- (const OFChar32 *)UTF32StringWithByteOrder: (OFByteOrder)byteOrder
{
	size_t length = self.length;
	OFChar32 *buffer;

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

		if (byteOrder != OFByteOrderNative)
			for (size_t i = 0; i < length; i++)
				buffer[i] = OF_BSWAP32(buffer[i]);

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

- (OFData *)dataWithEncoding: (OFStringEncoding)encoding
{
	void *pool = objc_autoreleasePoolPush();