BCLog.h

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/*
 * Copyright (C) 2008, Daniel Kollar and Kevin Kroeninger. 
 * All rights reserved. 
 * 
 * For the licensing terms see doc/COPYING. 
 */ 

// ---------------------------------------------------------

#ifndef __BCLOG__H
#define __BCLOG__H

#include <iostream>
#include <fstream>

#include <TROOT.h>
#include <TError.h>

#include "BCReleaseVersion.h"

// --------------------------------------------------------- 

class BCLog
{

 public:

   // definition of log level 

   enum LogLevel {debug, detail, summary, warning, nothing}; 

   // constructor and destructor 

   BCLog(); 

   ~BCLog(); 

   // methods (get) 

   static BCLog::LogLevel GetMinimumLogLevelFile()
   { return fMinimumLogLevelFile; }; 

   static BCLog::LogLevel GetMinimumLogLevelScreen()
   { return fMinimumLogLevelScreen; }; 

   // method (set) 

   static void SetMinimumLogLevelFile(BCLog::LogLevel loglevel)
   { BCLog::fMinimumLogLevelFile = loglevel; }; 

   static void SetMinimumLogLevelScreen(BCLog::LogLevel loglevel)
   { BCLog::fMinimumLogLevelScreen = loglevel; }; 

   // methods 

   static void OpenLog(const char * filename, BCLog::LogLevel loglevelfile, BCLog::LogLevel loglevelscreen); 

   static void OpenLog(const char * filename); 

   static void OpenLog(); 

   static void CloseLog(); 

   /*
    * Writes string to the file and screen log if the log level is equal or greater than the minimum
    * @param loglevelfile The loglevel for the current message 
    * @param loglevelscreen The loglevel for the current message 
    * @param message The string to write to the file and screen log 
    */ 
   static void Out(BCLog::LogLevel loglevelfile, BCLog::LogLevel loglevelscreen, const char * message); 

   static void Out(const char * message);

   static void StartupInfo();

   static const char * GetVersion()
   { return fVersion; };

   static int GetHIndex()
   { return BCLog::fHindex++; };

 private: 

   static const char * fVersion;

   static BCLog::LogLevel fMinimumLogLevelFile; 

   static BCLog::LogLevel fMinimumLogLevelScreen; 

   static std::ofstream fOutputStream; 

   static const char * ToString(BCLog::LogLevel); 

   static int fHindex;

}; 

// --------------------------------------------------------- 

#endif 

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