SiStripHashedDetId.h

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#ifndef CalibFormats_SiStripObjects_SiStripHashedDetId_H
#define CalibFormats_SiStripObjects_SiStripHashedDetId_H
 
#include "DataFormats/DetId/interface/DetId.h"
#include "DataFormats/SiStripCommon/interface/SiStripConstants.h"
#include <algorithm>
#include <iomanip>
#include <vector>
#include <cstdint>
 
class SiStripHashedDetId;
std::ostream &operator<<(std::ostream &os, const SiStripHashedDetId &);
 
class SiStripHashedDetId {
public:
  // ---------- constructors ----------
 
  SiStripHashedDetId(const std::vector<uint32_t> &);
 
  SiStripHashedDetId(const std::vector<DetId> &);
 
  SiStripHashedDetId(const SiStripHashedDetId &);
 
  SiStripHashedDetId();
 
  ~SiStripHashedDetId();
 
  // ---------- typedefs ----------
 
  typedef std::vector<uint32_t>::const_iterator const_iterator;
 
  typedef std::vector<uint32_t>::iterator iterator;
 
  // ---------- public interface ----------
 
  inline uint32_t hashedIndex(uint32_t det_id);
 
  inline uint32_t unhashIndex(uint32_t hashed_index) const;
 
  // inline DetId detId( uint32_t index ) const;
 
  inline const_iterator begin() const;
 
  inline const_iterator end() const;
 
private:
  void init(const std::vector<uint32_t> &);
 
  std::vector<uint32_t> detIds_;
 
  uint32_t id_;
 
  const_iterator iter_;
};
 
uint32_t SiStripHashedDetId::hashedIndex(uint32_t det_id) {
  const_iterator iter = end();
  if (det_id > id_) {
    iter = find(iter_, end(), det_id);
  } else {
    iter = find(begin(), iter_, det_id);
  }
  if (iter != end()) {
    id_ = det_id;
    iter_ = iter;
    return iter - begin();
  } else {
    id_ = 0;
    iter_ = begin();
    return sistrip::invalid32_;
  }
}
uint32_t SiStripHashedDetId::unhashIndex(uint32_t hashed_index) const {
  if (hashed_index < static_cast<uint32_t>(end() - begin())) {
    return detIds_[hashed_index];
  } else {
    return sistrip::invalid32_;
  }
}
SiStripHashedDetId::const_iterator SiStripHashedDetId::begin() const { return detIds_.begin(); }
SiStripHashedDetId::const_iterator SiStripHashedDetId::end() const { return detIds_.end(); }
 
#endif  // CalibFormats_SiStripObjects_SiStripHashedDetId_H