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/*======================================================================
FILE: recur.c
CREATOR: ebusboom 8jun00
(C) COPYRIGHT 1999 Eric Busboom <eric@civicknowledge.com>
DESCRIPTION:
Test program for expanding recurrences. Run as:
./recur ../../test-data/recur.txt
This library 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: https://www.gnu.org/licenses/lgpl-2.1.html
Or:
The Mozilla Public License Version 2.0. You may obtain a copy of
the License at https://www.mozilla.org/MPL/
======================================================================*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "libical/ical.h"
#include "libicalss/icalss.h"
#include <stdlib.h>
#if defined(HAVE_SIGNAL) && defined(HAVE_ALARM)
static void sig_alrm(int i)
{
_unused(i);
fprintf(stderr, "Could not get lock on file\n");
exit(1);
}
#endif
static void recur_callback(icalcomponent *comp, struct icaltime_span *span, void *data)
{
_unused(comp);
_unused(data);
printf("cb: %s", ctime(&span->start));
printf(" %s\n", ctime(&span->end));
}
int main(int argc, char *argv[])
{
icalset *cin;
struct icaltimetype next;
icalcomponent *itr;
icalproperty *desc, *dtstart, *rrule;
struct icalrecurrencetype recur;
icalrecur_iterator *ritr;
icaltime_t tt;
const char *file;
icalerror_set_error_state(ICAL_PARSE_ERROR, ICAL_ERROR_NONFATAL);
#if defined(HAVE_SIGNAL) && defined(HAVE_ALARM)
(void)signal(SIGALRM, sig_alrm);
#endif
if (argc <= 1) {
file = TEST_DATADIR "/recur.txt";
} else if (argc == 2) {
file = argv[1];
} else {
fprintf(stderr, "usage: recur [input file]\n");
exit(1);
}
#if defined(HAVE_SIGNAL) && defined(HAVE_ALARM)
alarm(300); /* to get file lock */
#endif
cin = icalfileset_new(file);
#if defined(HAVE_SIGNAL) && defined(HAVE_ALARM)
alarm(0);
#endif
if (cin == 0) {
fprintf(stderr, "recur: can't open file %s\n", file);
exit(1);
}
for (itr = icalfileset_get_first_component(cin);
itr != 0; itr = icalfileset_get_next_component(cin)) {
struct icaltimetype start;
struct icaltimetype end = icaltime_today();
desc = icalcomponent_get_first_property(itr, ICAL_DESCRIPTION_PROPERTY);
dtstart = icalcomponent_get_first_property(itr, ICAL_DTSTART_PROPERTY);
rrule = icalcomponent_get_first_property(itr, ICAL_RRULE_PROPERTY);
if (desc == 0 || dtstart == 0 || rrule == 0) {
printf("\n******** Error in input component ********\n");
printf("The following component is malformed:\n %s\n",
icalcomponent_as_ical_string(itr));
continue;
}
printf("\n\n#### %s\n", icalproperty_get_description(desc));
printf("#### %s\n", icalvalue_as_ical_string(icalproperty_get_value(rrule)));
recur = icalproperty_get_rrule(rrule);
start = icalproperty_get_dtstart(dtstart);
ritr = icalrecur_iterator_new(recur, start);
tt = icaltime_as_timet(start);
printf("#### %s\n", ctime(&tt));
icalrecur_iterator_free(ritr);
ritr = icalrecur_iterator_new(recur, start);
for (next = icalrecur_iterator_next(ritr);
!icaltime_is_null_time(next);
next = icalrecur_iterator_next(ritr)) {
tt = icaltime_as_timet(next);
printf(" %s", ctime(&tt));
}
icalrecur_iterator_free(ritr);
icalcomponent_foreach_recurrence(itr, start, end, recur_callback, NULL);
}
icalset_free(cin);
icaltimezone_free_builtin_timezones();
icalmemory_free_ring();
free_zone_directory();
return 0;
}
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