/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-    */
/* ex: set filetype=cpp softtabstop=4 shiftwidth=4 tabstop=4 cindent expandtab: */

/*
  $Id: cmnOutputMultiplexer.cpp,v 1.10 2007/04/26 19:33:56 anton Exp $
  
  Author(s):  Ofri Sadowsky
  Created on: 2002-04-18

  (C) Copyright 2002-2007 Johns Hopkins University (JHU), All Rights
  Reserved.

--- begin cisst license - do not edit ---

This software is provided "as is" under an open source license, with
no warranty.  The complete license can be found in license.txt and
http://www.cisst.org/cisst/license.txt.

--- end cisst license ---

*/


#include <algorithm>

#include <cisstCommon/cmnPortability.h>
#include <cisstCommon/cmnOutputMultiplexer.h>


// Add an output channel. See notes above.
// Parameters:
//   channel    - a pointer to the output channel to be added.
//
// Return value: *this
std::ostream & cmnOutputMultiplexer::AddChannel(ChannelType * channel)
{
	ChannelContainerType::iterator it = std::find(m_ChannelContainer.begin(), m_ChannelContainer.end(), 
                                                  channel);

    if (it == m_ChannelContainer.end()) {
        m_ChannelContainer.insert(it, channel);
        m_Streambuf.AddChannel( channel->rdbuf(), 0 );
    }

    return (*this);
}


// Remove an output channel.
// Parameters:
//   channel    - a pointer to the output channel to be removed. No change occurs if
//                the pointer is not on the list of channels for this multiplexer
//
// Return value: *this
std::ostream & cmnOutputMultiplexer::RemoveChannel(ChannelType * channel)
{
    m_ChannelContainer.remove(channel);
    m_Streambuf.RemoveChannel( channel->rdbuf() );
    return (*this);
}


// ****************************************************************************
//                              Change History
// ****************************************************************************
//
// $Log: cmnOutputMultiplexer.cpp,v $
// Revision 1.10  2007/04/26 19:33:56  anton
// All files in libraries: Applied new license text, separate copyright and
// updated dates, added standard header where missing.
//
// Revision 1.9  2006/11/20 20:33:19  anton
// Licensing: Applied new license to cisstCommon, cisstVector, cisstNumerical,
// cisstInteractive, cisstImage and cisstOSAbstraction.
//
// Revision 1.8  2005/09/26 15:41:46  anton
// cisst: Added modelines for emacs and vi.
//
// Revision 1.7  2005/05/19 19:29:01  anton
// cisst libs: Added the license to cisstCommon and cisstVector
//
// Revision 1.6  2004/10/09 18:52:49  ofri
// Some cleanup in cisstCommon header files.  gcc on cygwin prints a bunch of
// warnings when it encounters #pragma warning .  Some files had that prama used
// if WIN32 is defined, which is the case with cygwin/gcc.  I substituted that with
// including cmnPortability and adding the warning disable that.
//
// Revision 1.5  2004/08/20 20:09:21  anton
// cisstCommon: Corrected bug introduced by [709] (find requires std::find)
//
// Revision 1.4  2004/08/19 21:04:02  anton
// cmnOutputMultiplexer: Removed using namespace std.
//
// Revision 1.3  2003/09/09 18:50:14  anton
// changed from double quotes to <> for all #include
//
// Revision 1.2  2003/06/23 20:53:51  anton
// removed tabs
//
// Revision 1.1.1.1  2003/05/30 19:47:56  anton
// no message
//
//
// ****************************************************************************