143 lines
3.9 KiB
Objective-C
143 lines
3.9 KiB
Objective-C
/* NSCalendarDate+SOGo.m - this file is part of SOGo
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Copyright (C) 2000-2004 SKYRIX Software AG
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This file is part of OGo
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OGo is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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OGo is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with OGo; see the file COPYING. If not, write to the
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Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.
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*/
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#import <Foundation/NSCalendarDate.h>
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#import <Foundation/NSTimeZone.h>
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#import <NGExtensions/NSCalendarDate+misc.h>
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#import "NSCalendarDate+SOGo.h"
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static NSString *rfc822Days[] = {@"Sun", @"Mon", @"Tue", @"Wed", @"Thu",
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@"Fri", @"Sat"};
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static NSString *rfc822Months[] = {@"", @"Jan", @"Feb", @"Mar", @"Apr",
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@"May", @"Jun", @"Jul", @"Aug" , @"Sep",
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@"Oct", @"Nov", @"Dec"};
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@implementation NSCalendarDate (SOGoExtensions)
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+ (id) dateFromShortDateString: (NSString *) dateString
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andShortTimeString: (NSString *) timeString
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inTimeZone: (NSTimeZone *) timeZone
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{
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unsigned int year, month, day, hour, minute, total;
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NSCalendarDate *cDate, *tmpDate;
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if (timeString && [timeString length] == 4)
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{
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total = [timeString intValue];
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hour = total / 100;
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minute = total - (hour * 100);
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}
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else
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{
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hour = 12;
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minute = 0;
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}
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if (dateString && [dateString length] == 8)
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{
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total = [dateString intValue];
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year = total / 10000;
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total -= year * 10000;
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month = total / 100;
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day = total - (month * 100);
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cDate = [self dateWithYear: year month: month day: day
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hour: hour minute: minute second: 0
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timeZone: timeZone];
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}
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else
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{
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tmpDate = [NSCalendarDate calendarDate];
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[tmpDate setTimeZone: timeZone];
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cDate = [self dateWithYear: [tmpDate yearOfCommonEra]
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month: [tmpDate monthOfYear]
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day: [tmpDate dayOfMonth]
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hour: hour minute: minute second: 0
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timeZone: timeZone];
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}
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return cDate;
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}
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- (BOOL) isDateInSameMonth: (NSCalendarDate *) _other
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{
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return (([_other yearOfCommonEra] == [self yearOfCommonEra]) &&
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([_other monthOfYear] == [self monthOfYear]));
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}
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- (NSString *) shortDateString
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{
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NSString *str;
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str = [NSString stringWithFormat: @"%.4d%.2d%.2d",
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[self yearOfCommonEra],
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[self monthOfYear],
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[self dayOfMonth]];
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return str;
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}
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- (NSString *) rfc822DateString
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{
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int timeZoneShift, tzSeconds;
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tzSeconds = [[self timeZone] secondsFromGMT];
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timeZoneShift = (tzSeconds / 3600);
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tzSeconds -= timeZoneShift * 3600;
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timeZoneShift *= 100;
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timeZoneShift += tzSeconds / 60;
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return
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[NSString stringWithFormat: @"%@, %.2d %@ %d %.2d:%.2d:%.2d %+.4d",
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rfc822Days[[self dayOfWeek]], [self dayOfMonth],
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rfc822Months[[self monthOfYear]], [self yearOfCommonEra],
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[self hourOfDay], [self minuteOfHour], [self secondOfMinute],
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timeZoneShift];
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}
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#define secondsOfDistantFuture 1073741823.0
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#define secondsOfDistantPast -1073741823.0
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+ (id) distantFuture
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{
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static NSCalendarDate *date = nil;
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if (!date)
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date
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= [[self alloc] initWithTimeIntervalSinceReferenceDate: secondsOfDistantFuture];
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return date;
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}
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+ (id) distantPast
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{
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static NSCalendarDate *date = nil;
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if (!date)
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date
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= [[self alloc] initWithTimeIntervalSinceReferenceDate: secondsOfDistantPast];
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return date;
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}
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@end
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