Phase2TrackerFEDZSChannelUnpacker.h

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#ifndef EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDZSChannelUnpacker_H // {
#define EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDZSChannelUnpacker_H

#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDDAQHeader.h"
#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDDAQTrailer.h"
#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDChannel.h"
#include <cstdint>

namespace Phase2Tracker {

 class Phase2TrackerFEDZSChannelUnpacker
  {
  public:
    Phase2TrackerFEDZSChannelUnpacker(const Phase2TrackerFEDChannel& channel);
    uint8_t clusterIndex() const { return data_[currentOffset_^7]; }
    uint8_t clusterLength() const {return data_[(currentOffset_+1)^7]; }
    bool hasData() const { return valuesLeft_; }
    Phase2TrackerFEDZSChannelUnpacker& operator ++ ();
    Phase2TrackerFEDZSChannelUnpacker& operator ++ (int);
  private:
    const uint8_t* data_;
    uint8_t currentOffset_;
    uint16_t valuesLeft_;
  };

  // unpacker for ZS CBC data
  inline Phase2TrackerFEDZSChannelUnpacker::Phase2TrackerFEDZSChannelUnpacker(const Phase2TrackerFEDChannel& channel)
    : data_(channel.data()),
      currentOffset_(channel.offset()),
      valuesLeft_(channel.length()/2)
  {
  }

  inline Phase2TrackerFEDZSChannelUnpacker& Phase2TrackerFEDZSChannelUnpacker::operator ++ ()
  {
    currentOffset_ = currentOffset_+2;
    valuesLeft_--;
    return (*this);
  }
  
  inline Phase2TrackerFEDZSChannelUnpacker& Phase2TrackerFEDZSChannelUnpacker::operator ++ (int)
  {
    ++(*this); return *this;
  }

} // end of Phase2Tracker namespace

#endif // } end def EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDZSChannelUnpacker_H