/home/cypheon/dev/limiro/trunk/src/Logger.h

// -*- C++ -*-
/* Copyright (C) 2007-2008 Johann Rudloff
 * License: GNU GPLv2 or later, see file "COPYING". No warranty of any kind! */

#ifndef _LOGGER_H_
#define _LOGGER_H_

#include <ctime>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <string>
#include <vector>

namespace Limiro
{

class Logger
{
public:
  enum Event
  {
    EvtInvalid = 0, // Ungültig
    EvtProgStart = 0x10, // Data: Keine
    EvtProgEnd = 0x11, // Data: Keine
    EvtExerciseStart = 0x20, // Data: Liste mit Katalog-Titeln
    EvtExerciseEnd = 0x21, // Data: Anzahl Fehler
    /*
    EvtExerciseQuestionCorrect = 0x22, // Data: Fragetext
    EvtExerciseQuestionWrong = 0x23, // Data: Fragetext, falsche Antwort
    */
    EvtTestStart = 0x40, // Data: Liste mit Katalog-Titeln
    EvtTestEnd = 0x41, // Data: Anzahl Richtig/Falsch
  };

  void start(const std::string& logFile);
  void end();

  static Logger *getSingleton();

  void log(Event evt, const std::vector<std::string>& data=std::vector<std::string>());
  void log(Event evt, const std::string& s1, const std::string& s2="", const std::string& s3="", const std::string& s4="", const std::string& s5="");

private:
  Logger();
  void writeStrSafe(const char *str, int len);

  static Logger *m_singleton;

  std::ostream *m_out;
};

inline void log(Logger::Event evt, const std::string& s1, const std::string& s2="", const std::string& s3="", const std::string& s4="", const std::string& s5="")
{
  Logger::getSingleton()->log(evt, s1, s2, s3, s4, s5);
}

inline void log(Logger::Event evt, const std::vector<std::string>& data=std::vector<std::string>())
{
  Logger::getSingleton()->log(evt, data);
}

}

#endif // _LOGGER_H_

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