Flags.h

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#ifndef DataFormats_PatCandidates_interface_Flags_h
#define DataFormats_PatCandidates_interface_Flags_h
//
//

#include "DataFormats/Candidate/interface/Candidate.h"
#include <string>
#include <vector>
#include <cstdint>

namespace pat {
  struct Flags {
    enum CleanerFlags {
      AllBits = 0xFFFFFFFF,
      CoreBits = 0x0000000F,
      SelectionBits = 0x0000FFF0,
      OverlapBits = 0x00FF0000,
      IsolationBits = 0xFF000000

    };
    inline static bool test(uint32_t val, uint32_t mask) { return (val & mask) == 0; }
    inline static bool test(const reco::Candidate &c, uint32_t mask) { return test(c.status(), mask); }

    static const std::string &bitToString(uint32_t bit);
    static std::string maskToString(uint32_t bit);
    static uint32_t get(const std::string &str);
    static uint32_t get(const std::vector<std::string> &str);

    struct Core {
      enum { Shift = 0 };
      enum Bits {
        All = 0x0000000F,
        Duplicate = 0x00000001,     // internal duplication
        Preselection = 0x00000002,  // base preselection 1 (e.g. pt, eta cuts)
        Vertexing = 0x00000004,     // vertex association cuts
        Overflow = 0x00000008,      // if one requests to save "at most X items",
                                    // the overflowing ones will have this bit set
        Undefined = 0x00000000
      };
      static const std::string &bitToString(Bits bit);
      static Bits get(const std::string &str);
      static uint32_t get(const std::vector<std::string> &str);
    };

    struct Overlap {
      enum { Shift = 16 };
      enum Bits {
        All = 0x00FF0000,
        Jets = 0x00010000,
        Electrons = 0x00020000,
        Muons = 0x00040000,
        Taus = 0x00080000,
        Photons = 0x00100000,
        User = 0X00E00000,
        User1 = 0x00200000,
        User2 = 0x00400000,
        User3 = 0x00800000,
        Undefined = 0x00000000
      };
      static const std::string &bitToString(Bits bit);
      static Bits get(const std::string &str);
      static uint32_t get(const std::vector<std::string> &str);
    };

    struct Selection {
      enum { Shift = 4 };
      enum Bits {
        All = 0x0000FFF0,
        Bit0 = 0x00000010,
        Bit1 = 0x00000020,
        Bit2 = 0x00000040,
        Bit3 = 0x00000080,
        Bit4 = 0x00000100,
        Bit5 = 0x00000200,
        Bit6 = 0x00000400,
        Bit7 = 0x00000800,
        Bit8 = 0x00001000,
        Bit9 = 0x00002000,
        Bit10 = 0x00004000,
        Bit11 = 0x00008000,
        Undefined = 0x00000000
      };
      static const std::string &bitToString(Bits bit);
      static Bits get(int8_t bit);
      static Bits get(const std::string &str);
      static uint32_t get(const std::vector<std::string> &str);
    };
    struct Isolation {
      enum { Shift = 24 };
      enum Bits {
        All = 0xFF000000,
        Tracker = 0x01000000,
        ECal = 0x02000000,
        HCal = 0x04000000,
        Calo = 0x06000000,
        User = 0xF8000000,
        User1 = 0x08000000,
        User2 = 0x10000000,
        User3 = 0x20000000,
        User4 = 0x40000000,
        User5 = 0x80000000,
        Undefined = 0x00000000
      };
      static const std::string &bitToString(Bits bit);
      static Bits get(const std::string &str);
      static uint32_t get(const std::vector<std::string> &str);
    };
  };
}  // namespace pat

#endif