countingstream.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// CountingStream.cpp
//
// $Id: //poco/Main/Foundation/src/CountingStream.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#include "Foundation/CountingStream.h"


Foundation_BEGIN


CountingStreamBuf::CountingStreamBuf(): 
	_pIstr(0), 
	_pOstr(0), 
	_chars(0), 
	_lines(0), 
	_pos(0)
{
}


CountingStreamBuf::CountingStreamBuf(std::istream& istr): 
	_pIstr(&istr), 
	_pOstr(0), 
	_chars(0), 
	_lines(0), 
	_pos(0)
{
}


CountingStreamBuf::CountingStreamBuf(std::ostream& ostr): 
	_pIstr(0), 
	_pOstr(&ostr), 
	_chars(0), 
	_lines(0), 
	_pos(0)
{
}


CountingStreamBuf::~CountingStreamBuf()
{
}


int CountingStreamBuf::readFromDevice()
{
	if (_pIstr)
	{
		int c = _pIstr->get();
		if (c != -1)
		{
			++_chars;
			if (_pos++ == 0) ++_lines;
			if (c == '\n') _pos = 0;
		}
		return c;
	}
	return -1;
}


int CountingStreamBuf::writeToDevice(char c)
{
	++_chars;
	if (_pos++ == 0) ++_lines;
	if (c == '\n') _pos = 0;
	if (_pOstr) _pOstr->put(c);
	return c;
}


void CountingStreamBuf::reset()
{
	_chars = 0;
	_lines = 0;
	_pos   = 0;
}


CountingIOS::CountingIOS()
{
	init(&_buf);
}


CountingIOS::CountingIOS(std::istream& istr): _buf(istr)
{
	init(&_buf);
}


CountingIOS::CountingIOS(std::ostream& ostr): _buf(ostr)
{
	init(&_buf);
}


CountingIOS::~CountingIOS()
{
}


void CountingIOS::reset()
{
	_buf.reset();
}


CountingStreamBuf* CountingIOS::rdbuf()
{
	return &_buf;
}


CountingInputStream::CountingInputStream(std::istream& istr): CountingIOS(istr), std::istream(&_buf)
{
}


CountingInputStream::~CountingInputStream()
{
}


CountingOutputStream::CountingOutputStream(): std::ostream(&_buf)
{
}


CountingOutputStream::CountingOutputStream(std::ostream& ostr): CountingIOS(ostr), std::ostream(&_buf)
{
}


CountingOutputStream::~CountingOutputStream()
{
}


Foundation_END