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115 lines
4.2 KiB
PHP
115 lines
4.2 KiB
PHP
{
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*********************************************************************
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$Id$
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Copyright (C) 1997, 1998 Gertjan Schouten
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*********************************************************************
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System Utilities For Free Pascal
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}
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const
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SecsPerDay = 24 * 60 * 60; // Seconds and milliseconds per day
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MSecsPerDay = SecsPerDay * 1000;
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DateDelta = 693594; // Days between 1/1/0001 and 12/31/1899
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TwoDigitYearCenturyWindow : word=0;
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{ Threshold to be subtracted from year before
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age-detection.}
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{ date time formatting characters:
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c : shortdateformat + ' ' + shorttimeformat
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d : day of month
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dd : day of month (leading zero)
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ddd : day of week (abbreviation)
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dddd : day of week (full)
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ddddd : shortdateformat
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dddddd : longdateformat
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m : month
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mm : month (leading zero)
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mmm : month (abbreviation)
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mmmm : month (full)
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y : year (four digits)
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yy : year (two digits)
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yyyy : year (with century)
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h : hour
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hh : hour (leading zero)
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n : minute
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nn : minute (leading zero)
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s : second
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ss : second (leading zero)
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t : shorttimeformat
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tt : longtimeformat
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am/pm : use 12 hour clock and display am and pm accordingly
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a/p : use 12 hour clock and display a and p accordingly
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/ : insert date seperator
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: : insert time seperator
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"xx" : literal text
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'xx' : literal text
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}
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type
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TSystemTime = record
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Year, Month, Day: word;
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Hour, Minute, Second, MilliSecond: word;
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end ;
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TDateTime = double;
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TTimeStamp = record
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Time: integer; { Number of milliseconds since midnight }
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Date: integer; { One plus number of days since 1/1/0001 }
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end ;
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function DateTimeToTimeStamp(DateTime: TDateTime): TTimeStamp;
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function TimeStampToDateTime(const TimeStamp: TTimeStamp): TDateTime;
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function MSecsToTimeStamp(MSecs: Comp): TTimeStamp;
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function TimeStampToMSecs(const TimeStamp: TTimeStamp): comp;
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function EncodeDate(Year, Month, Day :word): TDateTime;
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function EncodeTime(Hour, Minute, Second, MilliSecond:word): TDateTime;
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procedure DecodeDate(Date: TDateTime; var Year, Month, Day: word);
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procedure DecodeTime(Time: TDateTime; var Hour, Minute, Second, MilliSecond: word);
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procedure DateTimeToSystemTime(DateTime: TDateTime; var SystemTime: TSystemTime);
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function SystemTimeToDateTime(const SystemTime: TSystemTime): TDateTime;
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function DayOfWeek(DateTime: TDateTime): integer;
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function Date: TDateTime;
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function Time: TDateTime;
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function Now: TDateTime;
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function IncMonth(const DateTime: TDateTime; NumberOfMonths: integer): TDateTime;
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function IsLeapYear(Year: Word): boolean;
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function DateToStr(Date: TDateTime): string;
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function TimeToStr(Time: TDateTime): string;
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function DateTimeToStr(DateTime: TDateTime): string;
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function StrToDate(const S: string): TDateTime;
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function StrToTime(const S: string): TDateTime;
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function StrToDateTime(const S: string): TDateTime;
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function FormatDateTime(FormatStr: string; DateTime: TDateTime):string;
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procedure DateTimeToString(var Result: string; const FormatStr: string; const DateTime: TDateTime);
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Function DateTimeToFileDate(DateTime : TDateTime) : Longint;
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Function FileDateToDateTime (Filedate : Longint) :TDateTime;
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{ FPC Extra }
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Procedure GetLocalTime(var SystemTime: TSystemTime);
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{
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$Log$
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Revision 1.3 2000-08-20 15:46:46 peter
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* sysutils.pp moved to target and merged with disk.inc, filutil.inc
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}
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