2 Copyright (C) 2004-2005 SKYRIX Software AG
4 This file is part of SOPE.
6 SOPE is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with SOPE; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 #ifndef __NGiCal_iCalRecurrenceCalculator_H_
23 #define __NGiCal_iCalRecurrenceCalculator_H_
25 #import <Foundation/NSObject.h>
28 iCalRecurrenceCalculator
30 Provides an API for performing common calculations performed in conjunction
31 with iCalRecurrenceRule objects.
35 @class iCalRecurrenceRule, NGCalendarDateRange;
37 @interface iCalRecurrenceCalculator : NSObject
39 NGCalendarDateRange *firstRange;
40 iCalRecurrenceRule *rrule;
43 + (NSArray *)recurrenceRangesWithinCalendarDateRange:(NGCalendarDateRange *)_r
44 firstInstanceCalendarDateRange:(NGCalendarDateRange *)_fir
45 recurrenceRules:(NSArray *)_rRules
46 exceptionRules:(NSArray *)_exRules
47 exceptionDates:(NSArray *)_exDates;
49 + (id)recurrenceCalculatorForRecurrenceRule:(iCalRecurrenceRule *)_rrule
50 withFirstInstanceCalendarDateRange:(NGCalendarDateRange *)_range;
52 - (id)initWithRecurrenceRule:(iCalRecurrenceRule *)_rrule
53 firstInstanceCalendarDateRange:(NGCalendarDateRange *)_range;
55 - (NSArray *)recurrenceRangesWithinCalendarDateRange:(NGCalendarDateRange *)_r;
56 - (BOOL)doesRecurrWithinCalendarDateRange:(NGCalendarDateRange *)_range;
58 - (NGCalendarDateRange *)firstInstanceCalendarDateRange;
59 - (NGCalendarDateRange *)lastInstanceCalendarDateRange; /* might be nil */
63 #endif /* __NGiCal_iCalRecurrenceCalculator_H_ */