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

/* $Id: AliTRDSaxHandler.h 26327 2008-06-02 15:36:18Z cblume $ */

////////////////////////////////////////////////////////////////////////////
//                                                                        //
//  The SAX XML file handler used in the preprocessor                     //
//                                                                        //
//  Author:                                                               //
//    Frederick Kramer (kramer@ikf.uni-frankfurt.de)                      //
//                                                                        //
////////////////////////////////////////////////////////////////////////////

#include "TObject.h"
#include "Cal/AliTRDCalDCSGTUCtpOpc.h"
#include "Cal/AliTRDCalDCSGTUBoardInfo.h"
#include "Cal/AliTRDCalDCSGTUSegment.h"
#include "Cal/AliTRDCalDCSGTUTmu.h"

class TObjArray;

class AliTRDCalDCS;
class AliTRDCalDCSFEE;
class AliTRDCalDCSPTR;
class AliTRDCalDCSGTU;

class AliTRDSaxHandler : public TObject {

public:
  enum { 
    kInsideFEE = 1, 
    kInsidePTR = 2,
    kInsideGTU = 3 
  }; // System level
  enum { 
    kInsideTgu = -1,
    kInsideNone = -2,
    kInsideSegment = -3,
    kInsideGainTable = -4 
  }; // The level under system (1)
  enum { 
    kInsideTmu = 10,
    kInsideSmu = 11 
  }; // The level under that   (2)

  AliTRDSaxHandler();
  AliTRDSaxHandler(const AliTRDSaxHandler &sh);
  virtual ~AliTRDSaxHandler();
  AliTRDSaxHandler &operator=(const AliTRDSaxHandler &sh);

  TObjArray*    GetDCSFEEDataArray() const { return fFEEArr;        }
  TObjArray*    GetDCSPTRDataArray() const { return fPTRArr;        }
  AliTRDCalDCS* GetCalDCSObj(); // to be called by the preprocessor

  Int_t         GetHandlerStatus() const { return fHandlerStatus; }

  // functions for all possible events
  void          OnStartDocument();
  void          OnEndDocument();
  void          OnStartElement(const char *name, const TList *attributes);
  void          OnEndElement(const char *name);
  void          OnCharacters(const char *name);
  void          OnComment(const char *name);
  void          OnWarning(const char *name);
  void          OnError(const char *name);
  void          OnFatalError(const char *name);
  void          OnCdataBlock(const char *name, Int_t len);

 private:

  bool           CompareString(TString str, const char *str2); 

  Int_t            fHandlerStatus; // 0: everything OK, >0: error
  Int_t            fNDCSPTR;       // number of current PTR unit (to be abandonned soon)
  Int_t            fNDCSGTU;       // number of current GTU unit (to be abandonned soon)
  TObjArray*       fFEEArr;        // array of AliTRDCalDCSFEE objects
  TObjArray*       fPTRArr;        // array of AliTRDCalDCSPTR objects
//   TObjArray*       fGTUArr;        // array of AliTRDCalDCSGTU objects
  Int_t            fSystem;        // current system (FEE/PTR/GTU)
  Int_t            fInsideRstate;  // if we are inside rstate
  Int_t            fCurrentSM;     // current supermodule
  Int_t            fCurrentStack;  // current stack
  Int_t            fCurrentROB;    // current ROB during processing
  Int_t            fCurrentMCM;    // current MCM
  Int_t            fCurrentADC;    // current ADC
  TString          fContent;       // content of the xml element (text) 
  AliTRDCalDCSFEE* fDCSFEEObj;     // the calib object for one FEE DCS board
  AliTRDCalDCSPTR* fDCSPTRObj;     // the calib object for one PTR DCS board
  AliTRDCalDCSGTU* fDCSGTUObj;     // the calib object for one GTU DCS board
  AliTRDCalDCS*    fCalDCSObj;     // the complete calib obj containing all inform.
  Int_t            fLevel1Tag;        // 
  Int_t            fLevel2Tag;        // 
  Bool_t           fInsideBoardInfo;

  AliTRDCalDCSGTUTmu*       fTmu;
  AliTRDCalDCSGTUCtpOpc*    fCtpOpc;
  AliTRDCalDCSGTUSegment*   fSegment;
  AliTRDCalDCSGTUBoardInfo* fBoardInfo;
  

  ClassDef(AliTRDSaxHandler,2);    // The XML file handler for the preprocessor
};
#endif