Revision c637662b426d256f990a298f43bf08039531b846 authored by tnagel on 02 June 2021, 14:27:04 UTC, committed by tnagel on 02 June 2021, 14:27:04 UTC
1 parent 51806bc
DateTools.cpp
/**
* \file
* \author Karsten Rink
* \date 2010-06-16
* \brief Implementation of date helper functions.
*
* \copyright
* Copyright (c) 2012-2021, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*/
#include "DateTools.h"
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <sstream>
#include "Logging.h"
namespace BaseLib
{
int date2int(int y, int m, int d)
{
if ((y < 1000 || y > 9999) || (m < 1 || m > 12) || (d < 1 || d > 31))
{
WARN("date2int(): Input not in expected range.");
return 0;
}
int ddate(0);
ddate = y * 10000;
ddate += (m * 100);
ddate += d;
return ddate;
}
std::string int2date(int date)
{
if (date > 10000000 && date < 22000000)
{
auto y = static_cast<int>(std::floor(date / 10000.0));
auto m = static_cast<int>(std::floor((date - (y * 10000)) / 100.0));
int d = date - (y * 10000) - (m * 100);
std::stringstream ss;
if (d < 10)
{
ss << "0";
}
ss << d << ".";
if (m < 10)
{
ss << "0";
}
ss << m << "." << y;
return ss.str();
}
return "";
}
std::string date2string(double ddate)
{
if (ddate < 10000101 || ddate > 99991231)
{
WARN("date2String(): Input not in expected format.");
return "0.0.0000";
}
auto rest(static_cast<int>(ddate));
auto y = static_cast<int>(std::floor(rest / 10000.0));
rest = rest % (y * 10000);
auto m = static_cast<int>(std::floor(rest / 100.0));
if (m < 1 || m > 12)
{
WARN("date2String(): month not in [1:12].");
}
rest = rest % (m * 100);
int d = rest;
if (d < 1 || d > 31)
{
WARN("date2String(): day not in [1:31].");
}
std::string day = std::to_string(d);
if (d < 10)
{
day = "0" + day;
}
std::string month = std::to_string(m);
if (m < 10)
{
month = "0" + month;
}
std::string s = std::to_string(y) + "-" + month + "-" + day;
return s;
}
int strDate2int(const std::string& s)
{
std::string str(s);
if (s.length() > 10)
{
str = s.substr(0, 10);
}
std::size_t sep(str.find('.', 0));
int d(atoi(str.substr(0, sep).c_str()));
std::size_t sep2(str.find('.', sep + 1));
int m(atoi(str.substr(sep + 1, sep2 - (sep + 1)).c_str()));
int y(atoi(str.substr(sep2 + 1, s.length() - (sep2 + 1)).c_str()));
return date2int(y, m, d);
}
int xmlDate2int(const std::string& s)
{
if (s.length() == 10)
{
int d = atoi(s.substr(8, 2).c_str());
if (d < 1 || d > 31)
{
WARN("xmlDate2double(): day not in [1:31].");
}
int m = atoi(s.substr(5, 2).c_str());
if (m < 1 || m > 12)
{
WARN("xmlDate2double(): month not in [1:12].");
}
int y = atoi(s.substr(0, 4).c_str());
return date2int(y, m, d);
}
return 0;
}
std::string formatDate(
std::chrono::time_point<std::chrono::system_clock> const& time)
{
auto const time_t = std::chrono::system_clock::to_time_t(time);
char time_str[100];
if (std::strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S%z",
std::localtime(&time_t)))
{
return time_str;
}
return "FAILED FORMATTING THE GIVEN TIME POINT.";
}
} // end namespace BaseLib
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