elm::io::StreamPipe Class Reference

#include <elm/io/StreamPipe.h>

Public Member Functions
	StreamPipe (InStream &in, OutStream &out, int buffer_size=1<< 16)
	~StreamPipe (void)
int	proceed (void)
string	lastErrorMessage (void) const

Detailed Description

A stream pipe allows to pipe together a string of input stream and a string of output stream. When the proceed() method is called, the input stream is read to the end and write back to the output stream.

Constructor & Destructor Documentation

elm::io::StreamPipe::StreamPipe	(	InStream &	in,
		OutStream &	out,
		int	buffer_size = 1 << 16
	)

build a stream pipe.

Parameters

in	Input stream.
out	Output stream.
buffer_size	Size of the buffer.

elm::io::StreamPipe::~StreamPipe

(

void

)

Member Function Documentation

string elm::io::StreamPipe::lastErrorMessage

(

void

)

const

Get the message associated with the last error.

Returns

Last error message.

References elm::io::OutStream::lastErrorMessage(), and elm::io::InStream::lastErrorMessage().

int elm::io::StreamPipe::proceed

(

void

)

Perform the copy from input stream to output stream.

Returns

Number of copied bytes or <0 if there is an error.

References elm::io::InStream::ENDED, elm::io::InStream::FAILED, elm::io::InStream::read(), and elm::io::OutStream::write().

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The documentation for this class was generated from the following files:

• include/elm/io/StreamPipe.h
• src/io_StreamPipe.cpp