datetimetools.hpp

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/*****************************************************************************
    NumeRe: Framework fuer Numerische Rechnungen
    Copyright (C) 2021  Erik Haenel et al.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
 
#ifndef DATETIMETOOLS_HPP
#define DATETIMETOOLS_HPP
 
#include <ctime>
#include <chrono>
#include "date/date.h"
 
struct time_stamp
{
    date::year_month_day m_ymd;
    std::chrono::hours m_hours;
    std::chrono::minutes m_minutes;
    std::chrono::seconds m_seconds;
    std::chrono::milliseconds m_millisecs;
    std::chrono::microseconds m_microsecs;
 
    time_stamp();
};
 
 
struct time_zone
{
    std::chrono::minutes Bias;
    std::chrono::minutes DayLightBias;
};
 
 
using sys_time_point = std::chrono::time_point<std::chrono::system_clock, std::chrono::microseconds>;
 
 
sys_time_point sys_time_now();
 
date::year_month_day dateFromTimePoint(sys_time_point tp);
date::year_month_day dateFromTime_t(__time64_t t);
 
time_stamp getTimeStampFromTimePoint(sys_time_point tp);
time_stamp getTimeStampFromTime_t(__time64_t t);
 
sys_time_point getTimePointFromTimeStamp(const time_stamp& ts);
__time64_t getTime_tFromTimeStamp(const time_stamp& ts);
 
double to_double(sys_time_point tp);
sys_time_point to_timePoint(double d);
 
size_t getWeekDay(sys_time_point tp);
size_t getWeekNum(sys_time_point tp);
 
time_zone getCurrentTimeZone();
 
#endif // DATETIMETOOLS_HPP