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/*
xmunipack - time conversions
Copyright © 1997-2011, 2019-2022 F.Hroch (hroch@physics.muni.cz)
This file is part of Munipack.
Munipack 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.
Munipack 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 Munipack. If not, see <http://www.gnu.org/licenses/>.
*/
#include "xmunipack.h"
#include <wx/wx.h>
#include <wx/tokenzr.h>
#ifdef __WXDEBUG__
#include <wx/debug.h>
#endif
FitsTime::FitsTime(const wxString& text)
{
year = 0; month = 0; day = 0;
hour = 0; minute = 0; second = 0; milisecond = 0;
SetDateTime(text);
}
void FitsTime::SetDateTime(const wxString& text)
{
if( text.IsEmpty() )
return;
wxString a;
wxStringTokenizer tb(text,"T");
if( tb.HasMoreTokens() )
date = tb.GetNextToken().Trim();
if( tb.HasMoreTokens() )
time = tb.GetNextToken();
SetDate(date);
SetTime(time);
}
void FitsTime::SetDate(const wxString& xdate)
{
wxString a;
wxStringTokenizer tb(xdate,"-");
if( tb.HasMoreTokens() ) {
a = tb.GetNextToken().Trim();
if( ! a.ToLong(&year) )
year = 0;
}
if( tb.HasMoreTokens() ) {
a = tb.GetNextToken().Trim();
if( ! a.ToLong(&month) )
month = 0;
}
if( tb.HasMoreTokens() ) {
a = tb.GetNextToken().Trim();
if( ! a.ToLong(&day) )
day = 0;
}
}
void FitsTime::SetTime(const wxString& xtime)
{
double sec;
wxString a;
wxStringTokenizer tb(xtime,":");
if( tb.HasMoreTokens() ) {
a = tb.GetNextToken().Trim();
if( ! a.ToLong(&hour) )
hour = 0;
}
if( tb.HasMoreTokens() ) {
a = tb.GetNextToken().Trim();
if( ! a.ToLong(&minute) )
minute = 0;
}
if( tb.HasMoreTokens() ) {
a = tb.GetNextToken().Trim();
if( ! a.ToDouble(&sec) )
sec = 0.0;
}
second = long(sec);
milisecond = long(1000.0*(sec - second));
}
double FitsTime::GetJd() const
{
double y,m,d,j;
// wxLogDebug("%ld %ld %ld %ld %ld %ld.%ld",year,month,day,hour,minute,second,milisecond);
d = day + (hour + (minute + (second + milisecond/1000.0)/60.0)/60.0)/24.0;
y = year;
if( y < 0 ) y = y + 1;
if( month > 2 )
m = month + 1;
else {
y = y - 1.0;
m = month + 13;
}
j = int(365.25*y) + int(30.6001*m) + d + 1720994.5;
if( d + 31*(m + 12*y) >= 15 + 31*(10 + 12*1582) ) {
double a = int(y/100.0);
j = j + 2.0 - a + int(a/4.0);
}
return j;
}
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