hc_internal.h

#ifndef SRC_HCONVERTER_INTERNAL_H_
#define SRC_HCONVERTER_INTERNAL_H_
#include "hconverter.h"
typedef struct hc_cal_impl_s {
    long (*abs_date)(int year, int month, int day);
    int (*compute_date)(long abs_date, hc_date *target);
    int (*check_date)(int year, int month, int day);
    int (*is_leap_year)(int year);
    int (*month_length)(int year, int month);
} hc_cal_impl;

extern hc_cal_impl *greg_impl;
extern hc_cal_impl *heb_impl;
extern hc_cal_impl *jul_impl;

extern const long COMMON_BEGINNING;

extern const int COMMON_MONTH_LENGTH[12];

hc_cal_impl* get_calendar(hc_calendar_type calendar_type);

#endif