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#ifndef log_hh
#define log_hh
// log.h
// robert - programme du robot 2005. {{{
//
// Copyright (C) 2004 Nicolas Schodet
//
// Robot APB Team/Efrei 2005.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}
#include <string>
#include <iostream>

class LogMessage;
class Logger;

/// Classe de log. Permet de construire des LogMessage.
class Log
{
  public:
    enum Level
      {
	none = 0x00,
	fatal = 0x01,
	error = 0x02,
	warning = 0x04,
	info = 0x08,
	debug = 0x10,
	verydebug = 0x20,
	levelReserved = 0xffff
      };
  private:
    const char *module_;
    const char *instance_;
    Level level_;
    /// Null logger.
    Logger *loggerNull_;
    /// Real logger.
    Logger *logger_;

  public:
    /// Constructeur.
    Log (const char *module, const char *instance = 0);
    /// Destructor.
    ~Log (void);
    /// Cr�e un nouveau LogMessage.
    LogMessage operator() (const char *msg, Level level = info) const;
    /// R�cup�re le module.
    const char *getModule (void) const { return module_; }
    /// R�cup�re l'instance.
    const char *getInstance (void) const { return instance_; }
    /// Traduit le niveau de log.
    static std::string toString (Level level);
    /// Traduit le niveau de log.
    static Level toLevel (const std::string &level);
    /// Change un niveau de log en masque.
    static Level toLevelMask (Level level);
    /// R�cup�re le niveau de log
    Level getLevel(void) const { return level_; }
    /// Set le niveau de log
    void setLevel(Level level) { level_ = level; }
};

#include "log_message.hh"

#endif // log_hh