Log.hh

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#ifndef __DIADES__UTILS__LOG__HH
#define __DIADES__UTILS__LOG__HH

#include <boost/format.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include "Logger.hh"


namespace Diades
{
  namespace Utils
  {
        using boost::posix_time::ptime;
        using boost::format;

        class Log
        {
          public:
          typedef LogLevel Level;

          Log():_now(),_fmt(),_logger(),_level(LgNothing){}

          Log(Logger & logger,Level level,const string & msg):
                _now(second_clock::local_time()),
                _fmt(msg),_logger(logger),_level(level){}



          Log(Level level,const string & msg):
                _now(second_clock::local_time()),
                _fmt(msg),_logger(),_level(level){}


          ~Log()
          {
                _logger.trace(_level,_now,_fmt.str());
          }


          template <typename T> 
          Log & operator %(T value)
          {
#ifndef __NO__DIADES__LOG
        _fmt % value;
#endif
                return *this;
          }    
         

        protected:
          ptime _now;
          format _fmt;
          Logger _logger;
          Level _level;
        };


  

        template<LogLevel level>
        Log log(Logger  logger, const string & msg)
        {
#ifdef __NO__DIADES__LOG
          return Log();
#else
          return Log(logger,level,msg);
#endif
        }


        template<LogLevel level>
        Log log(const string & msg)
        {
#ifdef __NO__DIADES__LOG
          return Log();
#else
          return Log(level,msg);
#endif
        }



        template<LogLevel level>
        void saveLog(Logger logger, ostream & os)
        {
#ifndef __NO__DIADES__LOG
          logger.printLevel(level,os);
#endif
        }


        template<LogLevel level>
        void saveLog(ostream & os)
        {
#ifndef __NO__DIADES__LOG
          Logger().printLevel(level,os);
#endif
        }



        void saveLog(ostream & os);


        void saveLog(Diades::Utils::Logger  logger, ostream & os);


        void saveAllLogs(ostream & os);

        
  };
};


#endif