fpc/rtl/objpas/datih.inc
michael 80e4fa2639 + Initial implementation; Donated by Gertjan Schouten
His file was split into several files, to keep it a little bit structured.
1998-04-10 15:17:46 +00:00

119 lines
4.2 KiB
PHP

{
*********************************************************************
$Id$
Copyright (C) 1997, 1998 Gertjan Schouten
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*********************************************************************
System Utilities For Free Pascal
}
const
SecsPerDay = 24 * 60 * 60; // Seconds and milliseconds per day
MSecsPerDay = SecsPerDay * 1000;
DateDelta = 693594; // Days between 1/1/0001 and 12/31/1899
DateSeparator:char='-';
TimeSeparator:char=':';
TimeAMString: pchar = 'am';
TimePMString: pchar = 'pm';
ShortMonthNames: array[1..12] of pchar =
('jan','feb','mar','apr','mai','jun',
'jul','aug','sep','oct','nov','dec');
LongMonthNames: array[1..12] of pchar=
('january','february','march','april','mai','june',
'july','august','september','october','november','december');
ShortDayNames: array[1..7] of pchar=
('sun','mon','tue','wen','thu','fri','sat');
LongDayNames: array[1..7] of pchar=
('sunday','monday','tuesday','wednesday','thursday','friday','saturday');
{ date time formatting characters:
c : shortdateformat + ' ' + shorttimeformat
d : day of month
dd : day of month (leading zero)
ddd : day of week (abbreviation)
dddd : day of week (full)
ddddd : shortdateformat
dddddd : longdateformat
m : month
mm : month (leading zero)
mmm : month (abbreviation)
mmmm : month (full)
y : year (four digits)
yy : year (two digits)
yyyy : year (with century)
h : hour
hh : hour (leading zero)
n : minute
nn : minute (leading zero)
s : second
ss : second (leading zero)
t : shorttimeformat
tt : longtimeformat
am/pm : use 12 hour clock and display am and pm accordingly
a/p : use 12 hour clock and display a and p accordingly
/ : insert date seperator
: : insert time seperator
"xx" : literal text
'xx' : literal text
}
// these constant strings will be changed to pchars too, someday :)
ShortDateFormat:string='d/m/y';
LongDateFormat:string='dd" "mmmm" "yyyy';
ShortTimeFormat:string='hh:nn';
LongTimeFormat:string='hh:nn:ss';
Eoln = #10; // or should that be #13, or $0d0a
type
TSystemTime=record
wYear:word;wMonth:word;wDay:word;
wHour:word;wMinute:word;wSecond:word;wMilliSecond:word;
end ;
TDateTime = double;
{ Date and Time functions }
function DateToStr(Date:TDateTime):string;
function TimeToStr(Time:TDateTime):string;
function DateTimeToStr(DateTime:TDateTime):string;
function EncodeDate(Year, Month, Day :word):TDateTime;
function EncodeTime(Hour, Minute, Second, MilliSecond:word):TDateTime;
procedure DecodeDate(Date:TDateTime;var Year:word;var Month:word;var Day:word);
procedure DecodeTime(Time:TDateTime;var Hour:word;var Minute:word;var Second:word;var MilliSecond:word);
function FormatDateTime(FormatStr:string;DateTime:TDateTime):string;
function StrToDate(const s:string):TDateTime;
function StrToTime(const s:string):TDateTime;
function StrToDateTime(const s:string):TDateTime;
function DayOfWeek(DateTime:TDateTime):longint;
function Date:TDateTime;
function Time:TDateTime;
function Now:TDateTime;
procedure GetLocalTime(var systemtime:tsystemtime);
{
$Log$
Revision 1.1 1998-04-10 15:17:46 michael
+ Initial implementation; Donated by Gertjan Schouten
His file was split into several files, to keep it a little bit structured.
}