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.
33 TODO: rather move this functionality to iCalRecurrenceRule?
37 @class iCalRecurrenceRule, NGCalendarDateRange;
39 @interface iCalRecurrenceCalculator : NSObject
41 NGCalendarDateRange *firstRange;
42 iCalRecurrenceRule *rrule;
46 recurrenceRangesWithinCalendarDateRange: (NGCalendarDateRange *) _r
47 firstInstanceCalendarDateRange: (NGCalendarDateRange *) _fir
48 recurrenceRules: (NSArray *) _rRules
49 exceptionRules: (NSArray *) _exRules
50 exceptionDates: (NSArray *) _exDates;
52 + (id) recurrenceCalculatorForRecurrenceRule: (iCalRecurrenceRule *) _rrule
53 withFirstInstanceCalendarDateRange: (NGCalendarDateRange *) _range;
55 - (id) initWithRecurrenceRule: (iCalRecurrenceRule *) _rrule
56 firstInstanceCalendarDateRange: (NGCalendarDateRange *) _range;
59 recurrenceRangesWithinCalendarDateRange: (NGCalendarDateRange *)_r;
60 - (BOOL) doesRecurrWithinCalendarDateRange: (NGCalendarDateRange *) _range;
62 - (NGCalendarDateRange *) firstInstanceCalendarDateRange;
63 - (NGCalendarDateRange *) lastInstanceCalendarDateRange; /* might be nil */
67 #endif /* __NGiCal_iCalRecurrenceCalculator_H_ */