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/Go4Log/TGo4Log.h

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//---------------------------------------------------------------
//        Go4 Release Package v2.10-5 (build 21005) 
//                      03-Nov-2005
//---------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//       Experiment Data Processing at DVEE department, GSI
//---------------------------------------------------------------
//
//Copyright (C) 2000- Gesellschaft f. Schwerionenforschung, GSI
//                    Planckstr. 1, 64291 Darmstadt, Germany
//Contact:            http://go4.gsi.de
//----------------------------------------------------------------
//This software can be used under the license agreements as stated
//in Go4License.txt file which is part of the distribution.
//----------------------------------------------------------------
#ifndef TGO4LOG_H
#define TGO4LOG_H

#include "TObject.h"
#include "TString.h"
#include <fstream.h>

class TMutex;

#define __MESSAGETEXTLENGTH__ 1024

// define previous trace macro void
#define TRACE(X) ;


// optional definitions
#define GO4MESSAGE( X ) TGo4Log::Message X;
#define GO4INFO(X) TGo4Log::Info X ;
#define GO4WARN(X) TGo4Log::Warn X ;
#define GO4ERROR(X) TGo4Log::Error X ;

class TGo4Log : public TObject {
  public:
    static TGo4Log *Instance();

    static void SetIgnoreLevel(Int_t level);

    static Int_t GetIgnoreLevel();

    static void OutputEnable(Bool_t on=kTRUE);

    static Bool_t IsOutputEnabled();

    static void LogfileEnable(Bool_t on=kTRUE);

    static Bool_t IsLogfileEnabled();

    static void AutoEnable(Bool_t on=kTRUE);

    static Bool_t IsAutoEnabled();

    static void OpenLogfile(const Text_t* name=0,
                            const Text_t* headercomment=0,
                            Bool_t appendmode=kFALSE);

    static void CloseLogfile();

    static const Text_t* GetLogname();

   static const Text_t* Message(Int_t prio, const Text_t* text,...);

   static void Debug(const Text_t* text,...);

   static void Info(const Text_t* text,...);

   static void Warn(const Text_t* text,...);

   static void Error(const Text_t* text,...);


    static void WriteLogfile(const Text_t* text,
                              Bool_t withtime=kTRUE);


    static void set_trace_level(int){;}

    static void SetTracePriority(int){;}

    static void StartTracing(){Instance(); SetIgnoreLevel(0);}

    static void StopTracing(){Instance(); SetIgnoreLevel(1);}

    static const Text_t fgcLEFT[]; 

    static const Text_t fgcRIGHT[];

    static const Text_t fgcDEBUG[]; 

    static const Text_t fgcINFO[]; 

    static const Text_t fgcWARN[];

    static const Text_t fgcERR[]; 

    static const Text_t fgcDEFAULTLOG[]; 

    static const UInt_t fguMESLEN;

    virtual ~TGo4Log();

  private:
    TGo4Log();

    static TGo4Log* fgxInstance; 

    static TMutex* fgxMutex; 

    static Int_t fgiIgnoreLevel;  

    static Bool_t fgbOutputEnabled;   

    static Bool_t fgbLogfileEnabled;   

    static Bool_t fgbAutoMode;    

    static Text_t fgcMessagetext[__MESSAGETEXTLENGTH__]; 

    static std::ofstream* fgxLogfile;   

    static TString fgxLogName;    

  ClassDef(TGo4Log,1)
};

/* for backward compatibility in user code: */
typedef TGo4Log TGo4Trace;

#endif //TGO4LOG_H

//----------------------------END OF GO4 SOURCE FILE ---------------------

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