MidiLayer source code

/*
    Midi Layer
    Copyright (C) 2012-2013, António José Soares Maia <maia.ajs@gmail.com>

    For this file, the following copyright notice is also applicable:
    Copyright (C) 2009-2013, Antonio Manuel Silva Oliveira. All rights
    reserved.

    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/>.
*/


#include "Logger.h"

/* TODO: Implement recognition of env var MIDILAYER_LOG_LEVEL */

char const *sevText[7]  = {
    ""        ,
    "TRACE"   ,
    "DEBUG"   ,
    "INFO "   ,
    "WARN "   ,
    "ERROR"   ,
    "FATAL"
};

std::auto_ptr<Logger> Logger::m_pInstance;

Logger::Logger() : m_logger(QDir::homePath() + "/"+__DBG_LOG__) {
}

Logger::~Logger() {
    m_logger.stop();
}

Logger *Logger::getInstance(void) {
    if ( 0==m_pInstance.get() ) {
        try {
            m_pInstance.reset(new Logger);
        }
        catch(...) {
            std::cerr << "Unhandled exception! Log will not work!" << std::endl;
        }
    }
    return m_pInstance.get();
}

void Logger::log( Severity level , char const */*file*/ , int line , char const *func , QString  const text ) {

    if ( level>=__LOG_LEVEL__ ) {
        // QString msg( QString("| %1 | %2(%3) | %4 | %5").arg(sevText[level]).arg(file).arg(line).arg(func).arg(text));
        QString msg( QString("| %1 | %2(%3) | %5").arg(sevText[level]).arg(func).arg(line).arg(text));
        m_logger.write(false , msg);
        #ifdef QT_DEBUG
        qDebug() << sevText[level]<<"|"<<text;
        #endif
    }
}

void Logger::log( Severity level , char const *file , int line , char const *func , char const *text ) {
    QString msg(text);
    log( level , file , line , func , msg );
}

void Logger::forceLog( char const *file , int line , char const *func , QString const text ) {
    QString msg( QString("| FORCED | %1(%2) | %3 | %4").arg(file).arg(line).arg(func).arg(text));
    #ifdef QT_DEBUG
    qDebug() <<"FORCED |"<< text;
    #endif
    m_logger.write(false , msg);
}

void Logger::forceLog( char const *file , int line , char const *func , char const *text ) {
    QString msg(text);
    forceLog(file , line , func , msg );
}

bool Logger::isLoggable(Severity level)  {
    return ( level>=__LOG_LEVEL__ );
}