b234f02a47
Monotone-Revision: 53a7cdc42e8710e661ce709242c9857ae53542ff Monotone-Author: wsourdeau@inverse.ca Monotone-Date: 2007-01-31T17:11:29 Monotone-Branch: ca.inverse.sogo
126 lines
3.8 KiB
Objective-C
126 lines
3.8 KiB
Objective-C
/*
|
|
Copyright (C) 2004-2005 SKYRIX Software AG
|
|
|
|
This file is part of SOPE.
|
|
|
|
SOPE is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser General Public License as published by the
|
|
Free Software Foundation; either version 2, or (at your option) any
|
|
later version.
|
|
|
|
SOPE 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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with SOPE; see the file COPYING. If not, write to the
|
|
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA.
|
|
*/
|
|
|
|
#include "iCalRecurrenceCalculator.h"
|
|
|
|
@interface iCalDailyRecurrenceCalculator : iCalRecurrenceCalculator
|
|
@end
|
|
|
|
#include <NGExtensions/NGCalendarDateRange.h>
|
|
#include "iCalRecurrenceRule.h"
|
|
#include "NSCalendarDate+ICal.h"
|
|
#include "common.h"
|
|
|
|
@interface iCalRecurrenceCalculator(PrivateAPI)
|
|
- (NSCalendarDate *)lastInstanceStartDate;
|
|
@end
|
|
|
|
@implementation iCalDailyRecurrenceCalculator
|
|
|
|
- (NSArray *)recurrenceRangesWithinCalendarDateRange:(NGCalendarDateRange *)_r{
|
|
NSMutableArray *ranges;
|
|
NSCalendarDate *firStart;
|
|
long i, jnFirst, jnStart, jnEnd, startEndCount;
|
|
unsigned interval;
|
|
|
|
firStart = [self->firstRange startDate];
|
|
jnFirst = [firStart julianNumber];
|
|
jnEnd = [[_r endDate] julianNumber];
|
|
|
|
if (jnFirst > jnEnd)
|
|
return nil;
|
|
|
|
jnStart = [[_r startDate] julianNumber];
|
|
interval = [self->rrule repeatInterval];
|
|
|
|
/* if rule is bound, check the bounds */
|
|
if (![self->rrule isInfinite]) {
|
|
NSCalendarDate *until;
|
|
long jnRuleLast;
|
|
|
|
until = [self->rrule untilDate];
|
|
if (until) {
|
|
if ([until compare:[_r startDate]] == NSOrderedAscending)
|
|
return nil;
|
|
jnRuleLast = [until julianNumber];
|
|
}
|
|
else {
|
|
jnRuleLast = (interval * [self->rrule repeatCount])
|
|
+ jnFirst;
|
|
if (jnRuleLast < jnStart)
|
|
return nil;
|
|
}
|
|
/* jnStart < jnRuleLast < jnEnd ? */
|
|
if (jnEnd > jnRuleLast)
|
|
jnEnd = jnRuleLast;
|
|
}
|
|
|
|
startEndCount = (jnEnd - jnStart) + 1;
|
|
ranges = [NSMutableArray arrayWithCapacity:startEndCount];
|
|
for (i = 0 ; i < startEndCount; i++) {
|
|
long jnCurrent;
|
|
|
|
jnCurrent = jnStart + i;
|
|
if (jnCurrent >= jnFirst) {
|
|
long jnTest;
|
|
|
|
jnTest = jnCurrent - jnFirst;
|
|
if ((jnTest % interval) == 0) {
|
|
NSCalendarDate *start, *end;
|
|
NGCalendarDateRange *r;
|
|
|
|
start = [NSCalendarDate dateForJulianNumber:jnCurrent];
|
|
[start setTimeZone:[firStart timeZone]];
|
|
start = [start hour: [firStart hourOfDay]
|
|
minute:[firStart minuteOfHour]
|
|
second:[firStart secondOfMinute]];
|
|
end = [start addTimeInterval:[self->firstRange duration]];
|
|
r = [NGCalendarDateRange calendarDateRangeWithStartDate:start
|
|
endDate:end];
|
|
if ([_r containsDateRange:r])
|
|
[ranges addObject:r];
|
|
}
|
|
}
|
|
}
|
|
return ranges;
|
|
}
|
|
|
|
- (NSCalendarDate *)lastInstanceStartDate {
|
|
if ([self->rrule repeatCount] > 0) {
|
|
long jnFirst, jnRuleLast;
|
|
NSCalendarDate *firStart, *until;
|
|
|
|
firStart = [self->firstRange startDate];
|
|
jnFirst = [firStart julianNumber];
|
|
jnRuleLast = ([self->rrule repeatInterval] *
|
|
[self->rrule repeatCount]) +
|
|
jnFirst;
|
|
until = [NSCalendarDate dateForJulianNumber:jnRuleLast];
|
|
until = [until hour: [firStart hourOfDay]
|
|
minute:[firStart minuteOfHour]
|
|
second:[firStart secondOfMinute]];
|
|
return until;
|
|
}
|
|
return [super lastInstanceStartDate];
|
|
}
|
|
|
|
@end /* iCalDailyRecurrenceCalculator */
|