MedTime.h

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#ifndef __MED__TIME__H__
#define __MED__TIME__H__
 
#include <vector>
#include <string>
using namespace std;
 
class MedTime {
 
public:
 
    // names for timing options
    const static int Undefined = 0;         
    const static int Date = 1;              
    const static int Years = 2;             
    const static int Months = 3;            
    const static int Days = 4;              
    const static int Hours = 5;             
    const static int Minutes = 6;           
    const static int DateTimeString = 7;    
    const static int MIN_DATE_SUPPORT = 19000000; 
 
    vector<int> YearsMonths2Days;
    vector<int> Years2Days;
    vector<int> Days2Years;
    vector<int> Days2Months;
    vector<int> Days2Date;
    vector<int> days2month = { 0,31,59,90,120,151,181,212,243,273,304,334,365 };
 
    MedTime() { init_time_tables(); }
 
    bool is_valid_date(int date) const;
 
    // general converters
    // when times are given/returned in int they are rounded to the floor
    // then times are given/returned in double they are in fractions of the given/requested unit
 
    int convert_times(int from_type, int to_type, int in_time);
    int convert_times(int from_type, int to_type, double in_time);
    double convert_times_D(int from_type, int to_type, int in_time);
    double convert_times_D(int from_type, int to_type, double in_time);
    string convert_times_S(int from_type, int to_type, int in_time);
    void init_time_tables();
 
    int convert_date(int to_type, int in_time);
    int convert_datetime(int to_type, string in_time);
 
    int convert_datetime_safe(int to_type, string in_time, char handle_ilegal_date = 2);
 
    int convert_years(int to_type, int in_time);
    int convert_months(int to_type, int in_time);
    int convert_days(int to_type, int in_time);
    int convert_hours(int to_type, int in_time);
    int convert_minutes(int to_type, int in_time);
    int add_subtruct_days(int in_time, int delta_days);
 
    int string_to_type(const string &str);
 
    string type_to_string(int type);
 
    int diff_times(int d1, int d2, int in_type, int out_type);
    double diff_times_D(int d1, int type1, int d2, int type2, int out_type);
    int diff_times(int d1, int type1, int d2, int type2, int out_type);
 
    double get_age(int t, int type_t, int byear);
    double get_age_from_bdate(int t, int type_t, int bdate);
 
    int add_subtract_time(int in_time, int in_type, int delta_time, int delta_type);
};
 
extern MedTime med_time_converter;
extern int global_default_time_unit;
extern int global_default_windows_time_unit;
 
 
#endif