/*

(c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000
(c) Thales group, 2010

    This library is free software; you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License as published by the Free
    Software Foundation; version 2 of the license.

    This library is distributed in the hope that it will be useful, but WITHOUT ANY
    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
    PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License along
    with this library; if not, write to the Free Software Foundation, Inc., 59
    Temple Place, Suite 330, Boston, MA 02111-1307 USA

Contact: http://eodev.sourceforge.net

Authors:
     todos@geneura.ugr.es
     Marc.Schoenauer@polytechnique.fr
     mkeijzer@dhi.dk
         Johann Dréo <johann.dreo@thalesgroup.com>
*/

#ifndef _eoOStreamMonitor_h_
#define _eoOStreamMonitor_h_

#include <string>
#include <iostream>

#include <utils/eoMonitor.h>
#include <utils/eoLogger.h>
#include <eoObject.h>

/**
    Prints statistics to a given ostream.

    You can pass any instance of an ostream to the constructor, like, for example, std::clog.

    @ingroup Monitors
*/
class eoOStreamMonitor : public eoMonitor
{
public :
    eoOStreamMonitor( std::ostream & _out, bool _verbose=true, std::string _delim = "\t", unsigned int _width=20, char _fill=' ' ) :
        out(_out), delim(_delim), width(_width), fill(_fill), firsttime(true)
    {
        (void)_verbose;
        eo::log << eo::warnings << "WARNING: the use of the verbose parameter in eoOStreamMonitor constructor is deprecated and will be removed in the next release" << std::endl;
#pragma message "WARNING: the use of the verbose parameter in eoOStreamMonitor constructor is deprecated and will be removed in the next release"
    }

    eoOStreamMonitor( std::ostream & _out, std::string _delim = "\t", unsigned int _width=20, char _fill=' ' ) :
        out(_out), delim(_delim), width(_width), fill(_fill), firsttime(true)
    {}

    eoMonitor& operator()(void);

    virtual std::string className(void) const { return "eoOStreamMonitor"; }

private :
    std::ostream & out;
    std::string delim;
    unsigned int width;
    char fill;
    bool firsttime;
};

#endif // _eoOStreamMonitor_h_