ObjFW  Diff

 *	 the methods that do the actual work. OFStream uses those for all other
 *	 methods and does all the caching and other stuff for you. If you
 *	 override these methods without the `lowlevel` prefix, you *will* break
 *	 caching and get broken results!
 */
@interface OFStream: OFObject <OFCopying>
{
	bool _blocking;
	bool _canBlock;
	id _Nullable _delegate;
#ifndef OF_SEEKABLE_STREAM_M
@private
#endif
	char *_Nullable _readBuffer, *_Nullable _readBufferMemory;
	char *_Nullable _writeBuffer;
	size_t _readBufferLength, _writeBufferLength;
	bool _writeBuffered, _waitingForDelimiter;
	bool _buffersWrites, _waitingForDelimiter;
	OF_RESERVE_IVARS(4)
}

/*!
 * @brief Whether the end of the stream has been reached.
 */
@property (readonly, nonatomic, getter=isAtEndOfStream) bool atEndOfStream;

/*!
 * @brief Whether writes are buffered.
 */
@property (nonatomic, nonatomic, getter=isWriteBuffered) bool writeBuffered;
@property (nonatomic, nonatomic) bool buffersWrites;

/*!
 * @brief Whether data is present in the internal read buffer.
 */
@property (readonly, nonatomic) bool hasDataInReadBuffer;

/*!
 * @brief Whether the stream is in blocking mode.
 * @brief Whether the stream can block.
 *
 * By default, a stream is in blocking mode.
 * By default, a stream can block.
 * On Win32, setting this currently only works for sockets!
 */
@property (nonatomic, getter=isBlocking) bool blocking;
@property (nonatomic) bool canBlock;

/*!
 * @brief The delegate for asynchronous operations on the stream.
 *
 * @note The delegate is retained for as long as asynchronous operations are
 *	 still ongoing.
 */