mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-31 17:51:38 +01:00
115 lines
4.2 KiB
PHP
115 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
|
|
|
|
TwoDigitYearCenturyWindow : word=0;
|
|
{ Threshold to be subtracted from year before
|
|
age-detection.}
|
|
|
|
{ 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
|
|
}
|
|
|
|
type
|
|
TSystemTime = record
|
|
Year, Month, Day: word;
|
|
Hour, Minute, Second, MilliSecond: word;
|
|
end ;
|
|
|
|
TDateTime = double;
|
|
|
|
TTimeStamp = record
|
|
Time: integer; { Number of milliseconds since midnight }
|
|
Date: integer; { One plus number of days since 1/1/0001 }
|
|
end ;
|
|
|
|
function DateTimeToTimeStamp(DateTime: TDateTime): TTimeStamp;
|
|
function TimeStampToDateTime(const TimeStamp: TTimeStamp): TDateTime;
|
|
function MSecsToTimeStamp(MSecs: Comp): TTimeStamp;
|
|
function TimeStampToMSecs(const TimeStamp: TTimeStamp): comp;
|
|
function EncodeDate(Year, Month, Day :word): TDateTime;
|
|
function EncodeTime(Hour, Minute, Second, MilliSecond:word): TDateTime;
|
|
procedure DecodeDate(Date: TDateTime; var Year, Month, Day: word);
|
|
procedure DecodeTime(Time: TDateTime; var Hour, Minute, Second, MilliSecond: word);
|
|
procedure DateTimeToSystemTime(DateTime: TDateTime; var SystemTime: TSystemTime);
|
|
function SystemTimeToDateTime(const SystemTime: TSystemTime): TDateTime;
|
|
function DayOfWeek(DateTime: TDateTime): integer;
|
|
function Date: TDateTime;
|
|
function Time: TDateTime;
|
|
function Now: TDateTime;
|
|
function IncMonth(const DateTime: TDateTime; NumberOfMonths: integer): TDateTime;
|
|
function IsLeapYear(Year: Word): boolean;
|
|
function DateToStr(Date: TDateTime): string;
|
|
function TimeToStr(Time: TDateTime): string;
|
|
function DateTimeToStr(DateTime: TDateTime): string;
|
|
function StrToDate(const S: string): TDateTime;
|
|
function StrToTime(const S: string): TDateTime;
|
|
function StrToDateTime(const S: string): TDateTime;
|
|
function FormatDateTime(FormatStr: string; DateTime: TDateTime):string;
|
|
procedure DateTimeToString(var Result: string; const FormatStr: string; const DateTime: TDateTime);
|
|
Function DateTimeToFileDate(DateTime : TDateTime) : Longint;
|
|
Function FileDateToDateTime (Filedate : Longint) :TDateTime;
|
|
|
|
{ FPC Extra }
|
|
Procedure GetLocalTime(var SystemTime: TSystemTime);
|
|
|
|
{
|
|
$Log$
|
|
Revision 1.3 2000-08-20 15:46:46 peter
|
|
* sysutils.pp moved to target and merged with disk.inc, filutil.inc
|
|
|
|
}
|