]> err.no Git - sope/blob - sope-ical/NGiCal/iCalRecurrenceRule.h
first sketch of recurrence rules and associated functionality
[sope] / sope-ical / NGiCal / iCalRecurrenceRule.h
1 /*
2   Copyright (C) 2004-2005 SKYRIX Software AG
3
4   This file is part of SOPE.
5
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
9   later version.
10
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.
15
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
19   02111-1307, USA.
20 */
21
22 #ifndef __NGiCal_iCalRecurrenceRule_H_
23 #define __NGiCal_iCalRecurrenceRule_H_
24
25 #import <Foundation/NSObject.h>
26
27 /*
28  iCalRecurrenceRule
29  
30  Encapsulates a (probably complex) recurrence rule by offering
31  a high level API.
32  
33  NOTE: as of now, only a very limited subset of RFC2445 is implemented.
34  Please see the unit tests for what is covered.
35 */
36
37 typedef enum {
38   iCalRecurrenceFrequenceSecondly = 1,
39   iCalRecurrenceFrequenceMinutely = 2,
40   iCalRecurrenceFrequenceHourly   = 3,
41   iCalRecurrenceFrequenceDaily    = 4,
42   iCalRecurrenceFrequenceWeekly   = 5,
43   iCalRecurrenceFrequenceMonthly  = 6,
44   iCalRecurrenceFrequenceYearly   = 7,
45 } iCalRecurrenceFrequency;
46
47 typedef enum {
48   iCalWeekDayMonday    = 1,
49   iCalWeekDayTuesday   = 2,
50   iCalWeekDayWednesday = 4,
51   iCalWeekDayThursday  = 8,
52   iCalWeekDayFriday    = 16,
53   iCalWeekDaySaturday  = 32,
54   iCalWeekDaySunday    = 64,
55 } iCalWeekDay;
56
57 @class NSString, NSCalendarDate, NGCalendarDateRange;
58
59 @interface iCalRecurrenceRule : NSObject
60 {
61   iCalRecurrenceFrequency frequency;
62   int            interval;
63   unsigned       repeatCount;
64   NSCalendarDate *untilDate;
65   struct {
66     unsigned weekStart: 7;
67     unsigned mask:      7;
68   } byDay;
69
70   NSString       *rrule;
71 }
72
73 + (id)recurrenceRuleWithICalRepresentation:(NSString *)_iCalRep;
74
75 - (void)setFrequency:(iCalRecurrenceFrequency)_frequency;
76 - (iCalRecurrenceFrequency)frequency;
77 - (void)setRepeatInterval:(int)_repeatInterval;
78 - (int)repeatInterval;
79
80 /* count and untilDate are mutually exclusive */
81 - (void)setRepeatCount:(unsigned)_repeatCount;
82 - (unsigned)repeatCount;
83 - (void)setUntilDate:(NSCalendarDate *)_untilDate;
84 - (NSCalendarDate *)untilDate;
85
86 - (BOOL)isInfinite;
87
88 /* parse complete iCal RRULE */
89 - (void)setRrule:(NSString *)_rrule;
90
91 - (NSString *)iCalRepresentation;
92
93 @end
94
95 #endif  /* __NGiCal_iCalRecurrenceRule_H_ */