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#ifndef logger_file_hh
#define logger_file_hh
// logger_file.hh
// marvin - programme du robot 2006. {{{
//
// Copyright (C) 2006 Dufour J�r�my
//
// Robot APB Team/Efrei 2004.
//        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 "logger.hh"

#include <string>
#include <map>
#include <fstream>

/// Logger to a file.
class LoggerFile : public Logger
{
    /// The pair contains the number of log reference to the file.
    typedef std::pair<unsigned int, std::ofstream *> t_pair_files_;
    /// Map of opened file, to manage multiple module access to the same file.
    typedef std::map<const std::string, t_pair_files_> t_files_;
    static t_files_ files_;
    /// Local file used by this instance of the logger file.
    std::ofstream *file_;
    /// Local file name.
    std::string filename_;
  public:
    /// Default constructor.
    LoggerFile (const std::string &param);
    /// Default destructor.
    ~LoggerFile (void);
    /// Called at the begining of a message.
    void start (const Log &log, const char *msg, Log::Level level);
    /// Called at the end of a message.
    void stop (void) { *file_ << std::endl; }
    /// Output a string or a variable name.
    LoggerFile &operator<< (const char *s);
    /// Output a string or a variable name.
    LoggerFile &operator<< (const std::string &s);
    /// Output a integer.
    LoggerFile &operator<< (int i);
    /// Output a double.
    LoggerFile &operator << (double d);
  private:
    /// Get a ofstream associated to the filename.
    std::ofstream *getFile (void);
    /// Release the file from the map if needed. Return true if deleted.
    bool releaseFile (void);
};

#endif // logger_file_hh