DTChamberId.h

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#ifndef MuonDetId_DTChamberId_H
#define MuonDetId_DTChamberId_H

#include <DataFormats/DetId/interface/DetId.h>

#include <iosfwd>

class DTChamberId : public DetId {
public:
  DTChamberId();

  DTChamberId(uint32_t id);
  DTChamberId(DetId id);

  DTChamberId(int wheel, int station, int sector);

  DTChamberId(const DTChamberId& chId);

  DTChamberId& operator=(const DTChamberId& chId) = default;

  int wheel() const { return int((id_ >> wheelStartBit_) & wheelMask_) + minWheelId - 1; }

  int station() const { return ((id_ >> stationStartBit_) & stationMask_); }

  int sector() const { return ((id_ >> sectorStartBit_) & sectorMask_); }

  static const int minStationId = 1;
  static const int maxStationId = 4;
  static const int minSectorId = 0;
  static const int maxSectorId = 14;
  static const int minWheelId = -2;
  static const int maxWheelId = 2;
  static const int minSuperLayerId = 0;
  static const int maxSuperLayerId = 3;
  static const int minLayerId = 0;
  static const int maxLayerId = 4;
  static const int minWireId = 0;
  static const int maxWireId = 97;

protected:
  static const int wireNumBits_ = 7;
  static const int wireStartBit_ = 3;
  static const int layerNumBits_ = 3;
  static const int layerStartBit_ = wireStartBit_ + wireNumBits_;
  static const int slayerNumBits_ = 2;
  static const int slayerStartBit_ = layerStartBit_ + layerNumBits_;
  static const int wheelNumBits_ = 3;
  static const int wheelStartBit_ = slayerStartBit_ + slayerNumBits_;
  static const int sectorNumBits_ = 4;
  static const int sectorStartBit_ = wheelStartBit_ + wheelNumBits_;
  static const int stationNumBits_ = 3;
  static const int stationStartBit_ = sectorStartBit_ + sectorNumBits_;

  static const uint32_t wheelMask_ = 0x7;
  static const uint32_t stationMask_ = 0x7;
  static const uint32_t sectorMask_ = 0xf;
  static const uint32_t slMask_ = 0x3;
  static const uint32_t lMask_ = 0x7;
  static const uint32_t wireMask_ = 0x7f;

  static const uint32_t layerIdMask_ = ~(wireMask_ << wireStartBit_);
  static const uint32_t slIdMask_ = ~((wireMask_ << wireStartBit_) | (lMask_ << layerStartBit_));
  static const uint32_t chamberIdMask_ =
      ~((wireMask_ << wireStartBit_) | (lMask_ << layerStartBit_) | (slMask_ << slayerStartBit_));

  // Perform a consistency check of the id with a DT Id
  // It thorows an exception if this is not the case
  void checkMuonId();
};

std::ostream& operator<<(std::ostream& os, const DTChamberId& id);

#endif