GClasses::GPipe Class Reference

Detailed Description

This class wraps the handle of a pipe. It closes the pipe when it is destroyed. This class is useful in conjunction with GApp::systemExecute for reading from, or writing to, the standard i/o streams of a child process.

#include <GApp.h>

Public Member Functions
	GPipe ()
	Construct an empty pipe holder. More...
	~GPipe ()
HANDLE	get ()
	Returns the current handle. More...
ssize_t	read (char *buf, size_t bufSize)
	Read from the pipe until there is nothing else to read, or the buffer is full. More...
std::string	read (size_t maxSize=(size_t)-1)
	Read from the pipe until there is nothing else to read. More...
void	set (HANDLE h)
	Set the handle of the pipe. More...
void	toFile (const char *szFilename)
	Reads from the pipe and writes to the specified file, until there is nothing left to read. More...
void	write (const char *buf, size_t bufSize)
	Write to the pipe. More...

Protected Attributes
HANDLE	m_handle

Constructor & Destructor Documentation

GClasses::GPipe::GPipe

(

)

Construct an empty pipe holder.

GClasses::GPipe::~GPipe

(

)

Member Function Documentation

HANDLE GClasses::GPipe::get ( )

inline

Returns the current handle.

ssize_t GClasses::GPipe::read	(	char *	buf,
		size_t	bufSize
	)

Read from the pipe until there is nothing else to read, or the buffer is full.

std::string GClasses::GPipe::read

(

size_t

maxSize = (size_t)-1

)

Read from the pipe until there is nothing else to read.

Returns

the data read from the pipe

void GClasses::GPipe::set

(

HANDLE

h

)

Set the handle of the pipe.

void GClasses::GPipe::toFile

(

const char *

szFilename

)

Reads from the pipe and writes to the specified file, until there is nothing left to read.

void GClasses::GPipe::write	(	const char *	buf,
		size_t	bufSize
	)

Write to the pipe.

Member Data Documentation

HANDLE GClasses::GPipe::m_handle

protected