ObjFW  Diff

}

- (bool)lowlevelIsAtEndOfStream
{
	OF_UNRECOGNIZED_SELECTOR
}

- (size_t)lowlevelReadIntoBuffer: (void *)buffer
			  length: (size_t)length
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)lowlevelWriteBuffer: (const void *)buffer
		     length: (size_t)length
{
	OF_UNRECOGNIZED_SELECTOR
}

- copy
{
	return [self retain];
}

- (bool)isAtEndOfStream
{
	if (_readBufferLength > 0)
		return false;

	return [self lowlevelIsAtEndOfStream];
}

- (size_t)readIntoBuffer: (void *)buffer
		  length: (size_t)length
{
	if (_readBufferLength == 0) {
		/*
		 * For small sizes, it is cheaper to read more and cache the
		 * remainder - even if that means more copying of data - than
		 * to do a syscall for every read.

		_readBuffer += length;
		_readBufferLength -= length;

		return length;
	}
}

- (void)readIntoBuffer: (void *)buffer
	   exactLength: (size_t)length
{
	size_t readLength = 0;

	while (readLength < length)
		readLength += [self readIntoBuffer: (char *)buffer + readLength
					    length: length - readLength];
}

#ifdef OF_HAVE_SOCKETS
- (void)asyncReadIntoBuffer: (void *)buffer
		     length: (size_t)length
		     target: (id)target
		   selector: (SEL)selector
{
	[OFRunLoop OF_addAsyncReadForStream: self
				     buffer: buffer
				     length: length
				     target: target
				   selector: selector];
}

- (void)asyncReadIntoBuffer: (void *)buffer
		exactLength: (size_t)length
		     target: (id)target
		   selector: (SEL)selector
{
	[OFRunLoop OF_addAsyncReadForStream: self
				     buffer: buffer
				exactLength: length
				     target: target
				   selector: selector];
}

# ifdef OF_HAVE_BLOCKS
- (void)asyncReadIntoBuffer: (void *)buffer
		     length: (size_t)length
		      block: (of_stream_async_read_block_t)block
{
	[OFRunLoop OF_addAsyncReadForStream: self
				     buffer: buffer
				     length: length
				      block: block];
}

- (void)asyncReadIntoBuffer: (void *)buffer
		exactLength: (size_t)length
		      block: (of_stream_async_read_block_t)block
{
	[OFRunLoop OF_addAsyncReadForStream: self
				     buffer: buffer
				exactLength: length
				      block: block];
}
# endif
#endif

- (uint8_t)readInt8
{
	uint8_t ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 1];

	return ret;
}

- (uint16_t)readBigEndianInt16
{
	uint16_t ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 2];

	return OF_BSWAP16_IF_LE(ret);
}

- (uint32_t)readBigEndianInt32
{
	uint32_t ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 4];

	return OF_BSWAP32_IF_LE(ret);
}

- (uint64_t)readBigEndianInt64
{
	uint64_t ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 8];

	return OF_BSWAP64_IF_LE(ret);
}

- (float)readBigEndianFloat
{
	float ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 4];

	return OF_BSWAP_FLOAT_IF_LE(ret);
}

- (double)readBigEndianDouble
{
	double ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 8];

	return OF_BSWAP_DOUBLE_IF_LE(ret);
}

- (size_t)readBigEndianInt16sIntoBuffer: (uint16_t *)buffer
				  count: (size_t)count
{
	size_t size = count * sizeof(uint16_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP16(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianInt32sIntoBuffer: (uint32_t *)buffer
				  count: (size_t)count
{
	size_t size = count * sizeof(uint32_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP32(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianInt64sIntoBuffer: (uint64_t *)buffer
				  count: (size_t)count
{
	size_t size = count * sizeof(uint64_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP64(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianFloatsIntoBuffer: (float *)buffer
				  count: (size_t)count
{
	size_t size = count * sizeof(float);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_FLOAT_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP_FLOAT(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianDoublesIntoBuffer: (double *)buffer
				   count: (size_t)count
{
	size_t size = count * sizeof(double);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_FLOAT_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP_DOUBLE(buffer[i]);
#endif

	return size;
}

- (uint16_t)readLittleEndianInt16
{
	uint16_t ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 2];

	return OF_BSWAP16_IF_BE(ret);
}

- (uint32_t)readLittleEndianInt32
{
	uint32_t ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 4];

	return OF_BSWAP32_IF_BE(ret);
}

- (uint64_t)readLittleEndianInt64
{
	uint64_t ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 8];

	return OF_BSWAP64_IF_BE(ret);
}

- (float)readLittleEndianFloat
{
	float ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 4];

	return OF_BSWAP_FLOAT_IF_BE(ret);
}

- (double)readLittleEndianDouble
{
	double ret;

	[self readIntoBuffer: (char *)&ret
		 exactLength: 8];

	return OF_BSWAP_DOUBLE_IF_BE(ret);
}

- (size_t)readLittleEndianInt16sIntoBuffer: (uint16_t *)buffer
				     count: (size_t)count
{
	size_t size = count * sizeof(uint16_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP16(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianInt32sIntoBuffer: (uint32_t *)buffer
				     count: (size_t)count
{
	size_t size = count * sizeof(uint32_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP32(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianInt64sIntoBuffer: (uint64_t *)buffer
				     count: (size_t)count
{
	size_t size = count * sizeof(uint64_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP64(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianFloatsIntoBuffer: (float *)buffer
				     count: (size_t)count
{
	size_t size = count * sizeof(float);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_FLOAT_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP_FLOAT(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianDoublesIntoBuffer: (double *)buffer
				      count: (size_t)count
{
	size_t size = count * sizeof(double);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_FLOAT_BIG_ENDIAN
	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP_DOUBLE(buffer[i]);
#endif

	return size;
}

- (OFDataArray *)readDataArrayWithCount: (size_t)count
{
	return [self readDataArrayWithItemSize: 1
					 count: count];
}

- (OFDataArray *)readDataArrayWithItemSize: (size_t)itemSize
				     count: (size_t)count
{
	OFDataArray *dataArray;
	char *tmp;

	dataArray = [OFDataArray dataArrayWithItemSize: itemSize];
	tmp = [self allocMemoryWithSize: itemSize
				  count: count];

	} @finally {
		[self freeMemory: tmp];
	}

	return dataArray;
}

- (OFDataArray *)readDataArrayTillEndOfStream
{
	OFDataArray *dataArray;
	size_t pageSize;
	char *buffer;

	dataArray = [OFDataArray dataArray];
	pageSize = [OFSystemInfo pageSize];

	} @finally {
		[self freeMemory: buffer];
	}

	return dataArray;
}

- (OFString *)readStringWithLength: (size_t)length
{
	return [self readStringWithLength: length
				 encoding: OF_STRING_ENCODING_UTF_8];
}

- (OFString *)readStringWithLength: (size_t)length
			  encoding: (of_string_encoding_t)encoding
{
	OFString *ret;
	char *buffer = [self allocMemoryWithSize: length + 1];
	buffer[length] = 0;

	@try {
		[self readIntoBuffer: buffer
			 exactLength: length];

		ret = [OFString stringWithCString: buffer
					 encoding: encoding];
	} @finally {
		[self freeMemory: buffer];
	}

	return ret;
}

- (OFString *)tryReadLineWithEncoding: (of_string_encoding_t)encoding
{
	size_t pageSize, bufferLength, retLength;
	char *retCString, *buffer, *readBuffer;
	OFString *ret;

	/* Look if there's a line or \0 in our buffer */
	if (!_waitingForDelimiter && _readBuffer != NULL) {

		[self freeMemory: buffer];
	}

	_waitingForDelimiter = true;
	return nil;
}

- (OFString *)readLine
{
	return [self readLineWithEncoding: OF_STRING_ENCODING_UTF_8];
}

- (OFString *)readLineWithEncoding: (of_string_encoding_t)encoding
{
	OFString *line = nil;

	while ((line = [self tryReadLineWithEncoding: encoding]) == nil)
		if ([self isAtEndOfStream])
			return nil;

	[OFRunLoop OF_addAsyncReadLineForStream: self
				       encoding: encoding
					  block: block];
}
# endif
#endif

- (OFString *)tryReadLine
{
	return [self tryReadLineWithEncoding: OF_STRING_ENCODING_UTF_8];
}

- (OFString *)tryReadTillDelimiter: (OFString *)delimiter
			  encoding: (of_string_encoding_t)encoding
{
	const char *delimiterCString;
	size_t j, delimiterLength, pageSize, bufferLength, retLength;
	char *retCString, *buffer, *readBuffer;
	OFString *ret;

	delimiterCString = [delimiter cStringWithEncoding: encoding];

	}

	_waitingForDelimiter = true;
	return nil;
}


- (OFString *)readTillDelimiter: (OFString *)delimiter
{
	return [self readTillDelimiter: delimiter
			      encoding: OF_STRING_ENCODING_UTF_8];
}

- (OFString *)readTillDelimiter: (OFString *)delimiter
		       encoding: (of_string_encoding_t)encoding
{
	OFString *ret = nil;


	while ((ret = [self tryReadTillDelimiter: delimiter
					encoding: encoding]) == nil)
		if ([self isAtEndOfStream])
			return nil;

	return ret;
}

- (OFString *)tryReadTillDelimiter: (OFString *)delimiter
{
	return [self tryReadTillDelimiter: delimiter
				 encoding: OF_STRING_ENCODING_UTF_8];
}

- (bool)isWriteBuffered
{

			   length: _writeBufferLength];

	[self freeMemory: _writeBuffer];
	_writeBuffer = NULL;
	_writeBufferLength = 0;
}

- (void)writeBuffer: (const void *)buffer
	     length: (size_t)length
{
	if (!_writeBuffered)
		[self lowlevelWriteBuffer: buffer
				   length: length];
	else {
		_writeBuffer = [self resizeMemory: _writeBuffer
					     size: _writeBufferLength + length];
		memcpy(_writeBuffer + _writeBufferLength, buffer, length);
		_writeBufferLength += length;
	}
}

- (void)writeInt8: (uint8_t)int8
{
	[self writeBuffer: (char *)&int8
		   length: 1];
}

- (void)writeBigEndianInt16: (uint16_t)int16
{
	int16 = OF_BSWAP16_IF_LE(int16);

	[self writeBuffer: (char *)&int16
		   length: 2];
}

- (void)writeBigEndianInt32: (uint32_t)int32
{
	int32 = OF_BSWAP32_IF_LE(int32);

	[self writeBuffer: (char *)&int32
		   length: 4];
}

- (void)writeBigEndianInt64: (uint64_t)int64
{
	int64 = OF_BSWAP64_IF_LE(int64);

	[self writeBuffer: (char *)&int64
		   length: 8];
}

- (void)writeBigEndianFloat: (float)float_
{
	float_ = OF_BSWAP_FLOAT_IF_LE(float_);

	[self writeBuffer: (char *)&float_
		   length: 4];
}

- (void)writeBigEndianDouble: (double)double_
{
	double_ = OF_BSWAP_DOUBLE_IF_LE(double_);

	[self writeBuffer: (char *)&double_
		   length: 8];
}

- (size_t)writeBigEndianInt16s: (const uint16_t *)buffer
			 count: (size_t)count
{
	size_t size = count * sizeof(uint16_t);

#ifdef OF_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeBigEndianInt32s: (const uint32_t *)buffer
			 count: (size_t)count
{
	size_t size = count * sizeof(uint32_t);

#ifdef OF_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeBigEndianInt64s: (const uint64_t *)buffer
			 count: (size_t)count
{
	size_t size = count * sizeof(uint64_t);

#ifdef OF_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeBigEndianFloats: (const float *)buffer
			 count: (size_t)count
{
	size_t size = count * sizeof(float);

#ifdef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeBigEndianDoubles: (const double *)buffer
			  count: (size_t)count
{
	size_t size = count * sizeof(double);

#ifdef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

	return size;
}

- (void)writeLittleEndianInt16: (uint16_t)int16
{
	int16 = OF_BSWAP16_IF_BE(int16);

	[self writeBuffer: (char *)&int16
		   length: 2];
}

- (void)writeLittleEndianInt32: (uint32_t)int32
{
	int32 = OF_BSWAP32_IF_BE(int32);

	[self writeBuffer: (char *)&int32
		   length: 4];
}

- (void)writeLittleEndianInt64: (uint64_t)int64
{
	int64 = OF_BSWAP64_IF_BE(int64);

	[self writeBuffer: (char *)&int64
		   length: 8];
}

- (void)writeLittleEndianFloat: (float)float_
{
	float_ = OF_BSWAP_FLOAT_IF_BE(float_);

	[self writeBuffer: (char *)&float_
		   length: 4];
}

- (void)writeLittleEndianDouble: (double)double_
{
	double_ = OF_BSWAP_DOUBLE_IF_BE(double_);

	[self writeBuffer: (char *)&double_
		   length: 8];
}

- (size_t)writeLittleEndianInt16s: (const uint16_t *)buffer
			    count: (size_t)count
{
	size_t size = count * sizeof(uint16_t);

#ifndef OF_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeLittleEndianInt32s: (const uint32_t *)buffer
			    count: (size_t)count
{
	size_t size = count * sizeof(uint32_t);

#ifndef OF_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeLittleEndianInt64s: (const uint64_t *)buffer
			    count: (size_t)count
{
	size_t size = count * sizeof(uint64_t);

#ifndef OF_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeLittleEndianFloats: (const float *)buffer
			    count: (size_t)count
{
	size_t size = count * sizeof(float);

#ifndef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeLittleEndianDoubles: (const double *)buffer
			     count: (size_t)count
{
	size_t size = count * sizeof(double);

#ifndef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer
		   length: size];

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeDataArray: (OFDataArray *)dataArray
{
	size_t length = [dataArray count] * [dataArray itemSize];

	[self writeBuffer: [dataArray items]
		   length: length];

	return length;
}

- (size_t)writeString: (OFString *)string
{
	return [self writeString: string
			encoding: OF_STRING_ENCODING_UTF_8];
}

- (size_t)writeString: (OFString *)string
	     encoding: (of_string_encoding_t)encoding
{
	size_t length = [string cStringLengthWithEncoding: encoding];

	[self writeBuffer: [string cStringWithEncoding: encoding]
		   length: length];

	return length;
}

- (size_t)writeLine: (OFString *)string
{
	return [self writeLine: string
		      encoding: OF_STRING_ENCODING_UTF_8];
}

- (size_t)writeLine: (OFString *)string
	   encoding: (of_string_encoding_t)encoding
{
	size_t stringLength = [string cStringLengthWithEncoding: encoding];
	char *buffer;

	buffer = [self allocMemoryWithSize: stringLength + 1];

	} @finally {
		[self freeMemory: buffer];
	}

	return stringLength + 1;
}

- (size_t)writeFormat: (OFConstantString *)format, ...
{
	va_list arguments;
	size_t ret;

	va_start(arguments, format);
	ret = [self writeFormat: format
		      arguments: arguments];
	va_end(arguments);

	return ret;
}

- (size_t)writeFormat: (OFConstantString *)format
	    arguments: (va_list)arguments
{
	char *UTF8String;
	int length;

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

#ifdef OF_HAVE_SOCKETS
- (void)cancelAsyncRequests
{
	[OFRunLoop OF_cancelAsyncRequestsForObject: self];
}
#endif

- (void)unreadFromBuffer: (const void *)buffer
		  length: (size_t)length
{
	char *readBuffer;

	if (length > SIZE_MAX - _readBufferLength)
		@throw [OFOutOfRangeException exception];