HeaderType.h

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//
// Copyright 2020, Jefferson Science Associates, LLC.
// Subject to the terms in the LICENSE file found in the top-level directory.
//
// EPSCI Group
// Thomas Jefferson National Accelerator Facility
// 12000, Jefferson Ave, Newport News, VA 23606
// (757)-269-7100


#ifndef EVIO_6_0_HEADERTYPE_H
#define EVIO_6_0_HEADERTYPE_H


#include <string>


namespace evio {


    class HeaderType {

    public:

        static const HeaderType EVIO_RECORD;
        static const HeaderType EVIO_FILE;
        static const HeaderType EVIO_FILE_EXTENDED;
        static const HeaderType EVIO_TRAILER;
        static const HeaderType HIPO_RECORD;
        static const HeaderType HIPO_FILE;
        static const HeaderType HIPO_FILE_EXTENDED;
        static const HeaderType HIPO_TRAILER;
        static const HeaderType UNKNOWN;

    private:

        static HeaderType intToType[16];

        static std::string names[16];

        uint32_t value;

        std::string name;


    private:

        HeaderType(uint32_t val, std::string name) : value(val), name(std::move(name)) {}

    public:

        std::string getName() const {return name;}

        uint32_t getValue() const {return value;}

        bool isEvioFileHeader() const {return (*this == EVIO_FILE || *this == EVIO_FILE_EXTENDED);}

        bool isHipoFileHeader() const {return (*this == HIPO_FILE || *this == HIPO_FILE_EXTENDED);}

        bool isFileHeader() const {return (isEvioFileHeader() | isHipoFileHeader());}

        bool isTrailer() const {return (*this == EVIO_TRAILER || *this == HIPO_TRAILER);}

        static const HeaderType & getHeaderType(uint32_t val) {
            if (val > 7) return UNKNOWN;
            return intToType[val];
        }

        static std::string getName(uint32_t val) {
            if (val > 7) return "UNKNOWN";
            return getHeaderType(val).names[val];
        }

        bool operator==(const HeaderType &rhs) const;

        bool operator!=(const HeaderType &rhs) const;
    };

}


#endif //EVIO_6_0_HEADERTYPE_H