LeapSecond.hpp

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#pragma once
 
#include "AstGlobal.h"
#include <cstdio>
#include <vector>
 
AST_NAMESPACE_BEGIN
 
 
class JulianDate;
class TimePoint;
class Date;
 
class AST_CORE_API LeapSecond
{
public:
    struct Entry
    {
        int mjd;
        int leapSecond;
    };
public:
    LeapSecond();
public:
    errc_t load(StringView filepath);
 
    errc_t loadHPIERS(StringView filepath);
 
    errc_t loadATK(StringView filepath);
 
    errc_t loadDefault();
 
    void setDefaultData();
 
    void setData(const std::vector<int>& mjd, const std::vector<int>& taiMinusUTC);
protected:
    errc_t loadATK(FILE* file);
 
    errc_t loadSTK(FILE* file);
 
    errc_t loadHPIERS(FILE* file);
 
    errc_t loadSpice(FILE* file);
public:
    double leapSecondUTC(ImpreciseJD jdUTC);
    double leapSecondUTCMJD(ImpreciseMJD mjdUTC);
 
    double leapSecondTAI(ImpreciseJD jdTAI);
    double leapSecondTAIMJD(ImpreciseMJD mjdTAI);
 
    
    double getLodUTC(const Date& utcDate);
 
    double getLodUTCMJD(ImpreciseMJD mjdUTC);
 
    const std::vector<Entry>& data() const { return m_data; }
    std::vector<Entry>& data() { return m_data; }
 
 
protected:
    std::vector<Entry> m_data;
};
 
 
AST_NAMESPACE_END