IOStream Class Reference

#include <Pt/System/IOStream.h>

Input/Output stream for I/O devices.

Inherits BasicIOStream< char >.

Public Member Functions
	IOStream (std::size_t bufferSize=8192, bool extend=false)
	Construct with buffer size.
	IOStream (IODevice &device, std::size_t bufferSize=8192, bool extend=false)
	Construct with I/O device.
	~IOStream ()
	Destructor.
void	attach (IODevice &dev)
	Attach to I/O device.
BasicStreamBuffer< char > *	buffer ()
	Returns the buffer.
void	detach ()
	Detach from I/O device.
IODevice *	device ()
	Returns the I/O device.
void	discard ()
	Discards the buffer.
IOBuffer &	ioBuffer ()
	Returns the stream buffer.
std::streamsize	peeksome (char *buffer, std::streamsize n)
	Peeks bytes in the stream buffer. More...
void	reset ()
	Discards and detaches.
void	setBuffer (BasicStreamBuffer< char > *sb)
	Sets the buffer.
std::streamsize	writesome (char *buffer, std::streamsize n)
	Write as much data as fits in buffer.

Member Function Documentation

std::streamsize peeksome ( char *  buffer, std::streamsize  n  )

inherited

The number of bytes that can be peeked depends on the current stream buffer get area and maybe less than requested, similar to istream::readsome().