glog.cpp

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//
// Copyright (C) 2001-2013 Graeme Walker <graeme_walker@users.sourceforge.net>
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program 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 General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
// ===
//
// glog.cpp
//

#include "gdef.h"
#include "glog.h"
#include "glogoutput.h"

G::Log::Log( Severity severity , const char * file , int line ) :
        m_severity(severity) ,
        m_file(file) ,
        m_line(line)
{
}

G::Log::~Log()
{
        try
        {
                flush() ;
        }
        catch(...)
        {
        }
}


bool G::Log::active()
{
        LogOutput * output = G::LogOutput::instance() ;
        if( output == NULL )
        {
                return false ;
        }
        else
        {
                // (enable it just to get the original state, then restore it)
                bool a = output->enable(true) ;
                output->enable(a) ;
                return a ;
        }
}

void G::Log::flush()
{
        if( active() )
        {
                G::LogOutput::output( m_severity , m_file , m_line , m_ss.str() ) ;
        }
}

std::ostream & G::Log::operator<<( const char * s )
{
        s = s ? s : "" ;
        return m_ss << s ;
}

std::ostream & G::Log::operator<<( const std::string & s )
{
        return m_ss << s ;
}