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Diffstat (limited to 'libical/src/libical/icalrecur.h')
| -rw-r--r-- | libical/src/libical/icalrecur.h | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/libical/src/libical/icalrecur.h b/libical/src/libical/icalrecur.h deleted file mode 100644 index 5fcdc15a8c..0000000000 --- a/libical/src/libical/icalrecur.h +++ /dev/null @@ -1,189 +0,0 @@ -/* -*- Mode: C -*- */ -/*====================================================================== - FILE: icalrecur.h - CREATOR: eric 20 March 2000 - - - (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org - - This program is free software; you can redistribute it and/or modify - it under the terms of either: - - The LGPL as published by the Free Software Foundation, version - 2.1, available at: http://www.fsf.org/copyleft/lesser.html - - Or: - - The Mozilla Public License Version 1.0. You may obtain a copy of - the License at http://www.mozilla.org/MPL/ - -How to use: - -1) Get a rule and a start time from a component - icalproperty rrule; - struct icalrecurrencetype recur; - struct icaltimetype dtstart; - - rrule = icalcomponent_get_first_property(comp,ICAL_RRULE_PROPERTY); - recur = icalproperty_get_rrule(rrule); - start = icalproperty_get_dtstart(dtstart); - -Or, just make them up: - recur = icalrecurrencetype_from_string("FREQ=YEARLY;BYDAY=SU,WE"); - dtstart = icaltime_from_string("19970101T123000") - -2) Create an iterator - icalrecur_iterator* ritr; - ritr = icalrecur_iterator_new(recur,start); - -3) Iterator over the occurrences - struct icaltimetype next; - while (next = icalrecur_iterator_next(ritr) - && !icaltime_is_null_time(next){ - Do something with next - } - -Note that that the time returned by icalrecur_iterator_next is in -whatever timezone that dtstart is in. - -======================================================================*/ - -#ifndef ICALRECUR_H -#define ICALRECUR_H - -#include <time.h> -#include "icaltime.h" - -/*********************************************************************** - * Recurrance enumerations -**********************************************************************/ - -typedef enum icalrecurrencetype_frequency -{ - /* These enums are used to index an array, so don't change the - order or the integers */ - - ICAL_SECONDLY_RECURRENCE=0, - ICAL_MINUTELY_RECURRENCE=1, - ICAL_HOURLY_RECURRENCE=2, - ICAL_DAILY_RECURRENCE=3, - ICAL_WEEKLY_RECURRENCE=4, - ICAL_MONTHLY_RECURRENCE=5, - ICAL_YEARLY_RECURRENCE=6, - ICAL_NO_RECURRENCE=7 - -} icalrecurrencetype_frequency; - -typedef enum icalrecurrencetype_weekday -{ - ICAL_NO_WEEKDAY, - ICAL_SUNDAY_WEEKDAY, - ICAL_MONDAY_WEEKDAY, - ICAL_TUESDAY_WEEKDAY, - ICAL_WEDNESDAY_WEEKDAY, - ICAL_THURSDAY_WEEKDAY, - ICAL_FRIDAY_WEEKDAY, - ICAL_SATURDAY_WEEKDAY -} icalrecurrencetype_weekday; - -enum { - ICAL_RECURRENCE_ARRAY_MAX = 0x7f7f, - ICAL_RECURRENCE_ARRAY_MAX_BYTE = 0x7f -}; - - - -/********************** Recurrence type routines **************/ - -/* See RFC 2445 Section 4.3.10, RECUR Value, for an explaination of - the values and fields in struct icalrecurrencetype */ - -#define ICAL_BY_SECOND_SIZE 61 -#define ICAL_BY_MINUTE_SIZE 61 -#define ICAL_BY_HOUR_SIZE 25 -#define ICAL_BY_DAY_SIZE 364 /* 7 days * 52 weeks */ -#define ICAL_BY_MONTHDAY_SIZE 32 -#define ICAL_BY_YEARDAY_SIZE 367 -#define ICAL_BY_WEEKNO_SIZE 54 -#define ICAL_BY_MONTH_SIZE 13 -#define ICAL_BY_SETPOS_SIZE 367 - -/* Main struct for holding digested recurrence rules */ -struct icalrecurrencetype -{ - icalrecurrencetype_frequency freq; - - - /* until and count are mutually exclusive. */ - struct icaltimetype until; - int count; - - short interval; - - icalrecurrencetype_weekday week_start; - - /* The BY* parameters can each take a list of values. Here I - * assume that the list of values will not be larger than the - * range of the value -- that is, the client will not name a - * value more than once. - - * Each of the lists is terminated with the value - * ICAL_RECURRENCE_ARRAY_MAX unless the the list is full. - */ - - short by_second[ICAL_BY_SECOND_SIZE]; - short by_minute[ICAL_BY_MINUTE_SIZE]; - short by_hour[ICAL_BY_HOUR_SIZE]; - short by_day[ICAL_BY_DAY_SIZE]; /* Encoded value, see below */ - short by_month_day[ICAL_BY_MONTHDAY_SIZE]; - short by_year_day[ ICAL_BY_YEARDAY_SIZE]; - short by_week_no[ICAL_BY_WEEKNO_SIZE]; - short by_month[ICAL_BY_MONTH_SIZE]; - short by_set_pos[ICAL_BY_SETPOS_SIZE]; -}; - - -void icalrecurrencetype_clear(struct icalrecurrencetype *r); - -/* The 'day' element of the by_day array is encoded to allow -representation of both the day of the week ( Monday, Tueday), but also -the Nth day of the week ( First tuesday of the month, last thursday of -the year) These routines decode the day values */ - -/* 1 == Monday, etc. */ -enum icalrecurrencetype_weekday icalrecurrencetype_day_day_of_week(short day); - -/* 0 == any of day of week. 1 == first, 2 = second, -2 == second to last, etc */ -short icalrecurrencetype_day_position(short day); - - -/*********************************************************************** - * Recurrance rule parser -**********************************************************************/ - -/* Convert between strings ans recurrencetype structures. */ -struct icalrecurrencetype icalrecurrencetype_from_string(const char* str); -char* icalrecurrencetype_as_string(struct icalrecurrencetype *recur); - - -/********** recurrence iteration routines ********************/ - -typedef void icalrecur_iterator; - -/* Create a new recurrence rule iterator */ -icalrecur_iterator* icalrecur_iterator_new(struct icalrecurrencetype rule, - struct icaltimetype dtstart); - -/* Get the next occurrence from an iterator */ -struct icaltimetype icalrecur_iterator_next(icalrecur_iterator*); - -/* Free the iterator */ -void icalrecur_iterator_free(icalrecur_iterator*); - -/* Fills array up with at most 'count' time_t values, each - representing an occurrence time in seconds past the POSIX epoch */ -int icalrecur_expand_recurrence(char* rule, time_t start, - int count, time_t* array); - - -#endif |