RegionDataFromFile.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef MUONCALIB_REGIONDATAFROMFILE_H
#define MUONCALIB_REGIONDATAFROMFILE_H
 
#include <iosfwd>
#include <vector>
 
namespace MuonCalib {

    struct MultilayerId {
        MultilayerId() = default;
        MultilayerId(int st, int e, int p, int m) : stName(st), eta(e), phi(p), ml(m) {}
        int stName{-1};
        int eta{-1};
        int phi{-1};
        int ml{-1};
    };

    class RegionDataFromFile {
    public:
        typedef MultilayerId id_type;
        typedef std::vector<id_type> id_vec;
 
    public:
        id_vec getIdentifiers(int regionId) const;

        unsigned int nregions() const;
 
        void setNRegions(unsigned int nreg) {
            m_nregions = nreg;
            m_identifiersPerRegions.resize(nreg);
        }

        bool addRegion(int regionIndex, const id_vec& ids);

        void clear();
 
        std::istream& read(std::istream& is);
        std::ostream& write(std::ostream& os) const;
 
    private:
        typedef std::vector<id_vec> id_vec_vec;

        unsigned int m_nregions = 0;
        id_vec_vec m_identifiersPerRegions;
    };
 
}  // namespace MuonCalib
 
std::istream& operator>>(std::istream& is, MuonCalib::RegionDataFromFile& data);
std::ostream& operator<<(std::ostream& os, const MuonCalib::RegionDataFromFile& data);
 
#endif