mirror of https://github.com/acanas/swad-core.git
125 lines
5.1 KiB
C
125 lines
5.1 KiB
C
// swad_date.h: dates
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#ifndef _SWAD_DAT
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#define _SWAD_DAT
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/*
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SWAD (Shared Workspace At a Distance in Spanish),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2015 Antonio Cañas Vargas
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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 Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <stdio.h> // For FILE *
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#include <time.h>
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#include "swad_bool.h"
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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/*****************************************************************************/
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#define Dat_SECONDS_IN_ONE_MONTH (30UL*24UL*60UL*60UL)
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/*****************************************************************************/
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/******************************* Public types ********************************/
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/*****************************************************************************/
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struct Date
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{
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unsigned Day,Month,Year,Week;
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char YYYYMMDD[4+2+2+1];
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};
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struct Time
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{
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unsigned Hour,Minute,Second;
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};
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struct Hour
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{
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unsigned Hour,Minute;
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};
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struct DateTime
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{
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struct Date Date;
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struct Time Time;
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char YYYYMMDDHHMMSS[4+2+2+2+2+2+1];
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};
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/*****************************************************************************/
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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void Dat_GetTimeStartExecution (void);
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void Dat_GetAndConvertCurrentDateTime (void);
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bool Dat_GetDateFromYYYYMMDD (struct Date *Date,const char *YYYYMMDDString);
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bool Dat_GetDateTimeFromYYYYMMDDHHMMSS (struct DateTime *DateTime,const char *YYYYMMDDHHMMSS);
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void Dat_ShowCurrentDateTime (void);
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void Dat_DrawCurrentMonth (void);
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void Dat_DrawCalendar (void);
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void Dat_DrawMonth (unsigned RealYear,unsigned RealMonth,
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bool DrawingCalendar,bool PutLinkToEvents,bool PrintView);
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void Dat_GetLocalTimeFromClock (const time_t *clock);
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void Dat_WriteDateTimeFromtblock (void);
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void Dat_WriteDateFromtblock (void);
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void Dat_ConvDateToDateStr (struct Date *Date,char *DateStr);
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void Dat_WriteFormIniEndDates (void);
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void Dat_WriteFormDate (unsigned FirstYear,unsigned LastYear,
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const char *NameSelectDay,const char *NameSelectMonth,const char *NameSelectYear,
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struct Date *DateSelected,
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bool SubmitFormOnChange,bool Disabled);
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void Dat_WriteFormHourMinute (const char *NameSelectHour,const char *NameSelectMinute,
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struct Time *TimeSelected,
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bool SubmitFormOnChange,bool Disabled);
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void Dat_GetDateFromForm (const char *NameParamDay,const char *NameParamMonth,const char *NameParamYear,
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unsigned *Day,unsigned *Month,unsigned *Year);
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void Dat_GetHourMinuteFromForm (const char *NameParamHour,const char *NameParamMinute,
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unsigned *Hour,unsigned *Minute);
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void Dat_GetIniEndDatesFromForm (void);
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void Dat_WriteDate (const char *YYYYMMDD);
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void Dat_WriteHourMinute (const char *HHMM);
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void Dat_WriteRFC822DateFromTM (FILE *File,struct tm *tm);
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void Dat_GetDateBefore (struct Date *Date,struct Date *PrecedingDate);
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void Dat_GetDateAfter (struct Date *Date,struct Date *SubsequentDate);
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void Dat_GetWeekBefore (struct Date *Date,struct Date *PrecedingDate);
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void Dat_GetMonthBefore (struct Date *Date,struct Date *PrecedingDate);
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unsigned Dat_GetNumDaysBetweenDates (struct Date *DateIni,struct Date *DateEnd);
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unsigned Dat_GetNumWeeksBetweenDates (struct Date *DateIni,struct Date *DateEnd);
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unsigned Dat_GetNumMonthsBetweenDates (struct Date *DateIni,struct Date *DateEnd);
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unsigned Dat_GetNumDaysInYear (unsigned Year);
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unsigned Dat_GetNumDaysFebruary (unsigned Year);
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bool Dat_GetIfLeapYear (unsigned Year);
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unsigned Dat_GetNumWeeksInYear (unsigned Year);
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unsigned Dat_GetDayOfWeek (unsigned Year,unsigned Month,unsigned Day);
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unsigned Dat_GetDayOfYear (struct Date *Date);
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void Dat_CalculateWeekOfYear (struct Date *Date);
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void Dat_AssignDate (struct Date *DateDst,struct Date *DateSrc);
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int Dat_CompareDates (struct Date *Date1,struct Date *Date2);
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int Dat_CompareDateTimes (struct DateTime *DateTime1,struct DateTime *DateTime2);
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#endif
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