#ifndef ALIMUONRAWSTREAMTRIGGER_H
#define ALIMUONRAWSTREAMTRIGGER_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/*$Id$*/

/// \ingroup raw
/// \class AliMUONRawStreamTrigger
/// \brief Class for reading MUON raw digits
///
//  Author: Christian Finck

#include <TObject.h>
#include "AliMUONPayloadTrigger.h"

class AliRawReader;
class AliMUONDDLTrigger;


class AliMUONRawStreamTrigger: public TObject {
  public :
    AliMUONRawStreamTrigger();
    AliMUONRawStreamTrigger(AliRawReader* rawReader);
    virtual ~AliMUONRawStreamTrigger();

    virtual Bool_t   Next();
    virtual Bool_t   NextDDL();

    /// Return maximum number of DDL in DATE file
    Int_t GetMaxDDL() const {return fMaxDDL;}
    /// Return maximum number of regional cards in DATE file
    Int_t GetMaxReg() const {return fPayload->GetMaxReg();}
    /// Return maximum number of local cards in DATE file
    Int_t GetMaxLoc() const {return fPayload->GetMaxLoc();}


    void SetMaxDDL(Int_t ddl);
    void SetMaxReg(Int_t reg);
    void SetMaxLoc(Int_t loc);

    /// Set object for reading the raw data
    void SetReader(AliRawReader* rawReader) {fRawReader = rawReader;}

    /// Return pointer for DDL structure
    AliMUONDDLTrigger* GetDDLTrigger() const {return fPayload->GetDDLTrigger();}

    /// Return pointer for payload
    AliMUONPayloadTrigger*  GetPayLoad()    const {return fPayload;}

    /// Return number of DDL
    Int_t              GetDDL()        const {return fDDL - 1;}

    /// add error message into error logger
    void AddErrorMessage();

    /// Enable error info logger
    void EnabbleErrorLogger() {fEnableErrorLogger = kTRUE;}

    /// error numbers
    enum rawStreamTriggerError {
      kDarcEoWErr   = 6, ///< end of Darc word error 
      kGlobalEoWErr = 7, ///< end of Global word error
      kRegEoWErr    = 8, ///< end of Regional word error 
      kLocalEoWErr  = 9  ///< end of local word error

    };

  private :
    /// Not implemented
    AliMUONRawStreamTrigger(const AliMUONRawStreamTrigger& stream);
    /// Not implemented
    AliMUONRawStreamTrigger& operator = (const AliMUONRawStreamTrigger& stream);

    AliRawReader*    fRawReader;     ///< object for reading the raw data
    AliMUONPayloadTrigger* fPayload; ///< pointer to payload decoder

    Int_t  fDDL;          ///< number of DDL
    Int_t  fSubEntries;   ///< entries of buspatch structure
    Bool_t fNextDDL;      ///< flag for next DDL to be read
    Int_t  fMaxDDL;       ///< maximum number of DDL in DATE file
    Bool_t fEnableErrorLogger; //!< flag to enable the error info logger

    ClassDef(AliMUONRawStreamTrigger, 3)    // base class for reading MUON trigger rawdata
};

#endif