/**************************************************************************
 * Author: Panos Christakoglou.                                           *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

//-----------------------------------------------------------------
//                   AliDetectorTagCuts class
//   This is the class to deal with the Detector tag level cuts
//   Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
//-----------------------------------------------------------------

class AliLog;

#include "AliDetectorTag.h"
#include "AliDetectorTagCuts.h"

#include "TObjString.h"
#include "TString.h"

ClassImp(AliDetectorTagCuts)

//___________________________________________________________________________
AliDetectorTagCuts::AliDetectorTagCuts() :
  TObject(),
  fDetectors(0), 
  fDetectorsFlag(kFALSE)
{
  //Default constructor which calls the Reset method.
}

//___________________________________________________________________________
AliDetectorTagCuts::~AliDetectorTagCuts() {  
  //Defaut destructor.
}

//___________________________________________________________________________
Bool_t AliDetectorTagCuts::IsAccepted(AliDetectorTag *detTag) const {
  //Returns true if the event is accepted otherwise false.
  if(fDetectorsFlag){
    TString detStr = fDetectors;
    TObjArray *activeDetectors = detTag->GetDetectorMask();
    for (Int_t iDet = 0; iDet < activeDetectors->GetEntries(); iDet++) {
      TObjString *detectorString = (TObjString *)activeDetectors->At(iDet);
      if (!IsSelected(detectorString->GetString(), detStr))return kFALSE;
    }
  }
  return kTRUE;
}

//___________________________________________________________________________
Bool_t AliDetectorTagCuts::IsSelected(TString detName, TString& detectors) const {
  //Returns true if the detector is included
  if ((detectors.CompareTo("ALL") == 0) ||
      detectors.BeginsWith("ALL ") ||
      detectors.EndsWith(" ALL") ||
      detectors.Contains(" ALL ")) {
    detectors = "ALL";
    return kTRUE;
  }
  
  // search for the given detector
  Bool_t result = kFALSE;
  if ((detectors.CompareTo(detName) == 0) ||
      detectors.BeginsWith(detName+" ") ||
      detectors.EndsWith(" "+detName) ||
      detectors.Contains(" "+detName+" ")) {
    detectors.ReplaceAll(detName, "");
    result = kTRUE;
  }

  // clean up the detectors string
  while (detectors.Contains("  ")) detectors.ReplaceAll("  ", " ");
  while (detectors.BeginsWith(" ")) detectors.Remove(0, 1);
  while (detectors.EndsWith(" ")) detectors.Remove(detectors.Length()-1, 1);
 
  return result;
}