icaltime_span icaltime_span_new(struct icaltimetype dtstart, struct icaltimetype dtend, int is_busy)
{
icaltime_span span;
span.is_busy = is_busy;
span.start = icaltime_as_timet_with_zone(dtstart,
dtstart.zone ? dtstart.
zone : icaltimezone_get_utc_timezone());
if (icaltime_is_null_time(dtend)) {
if (!icaltime_is_date(dtstart)) {
/* If dtstart is a DATE-TIME and there is no DTEND nor DURATION
it takes no time */
span.end = span.start;
return span;
} else {
dtend = dtstart;
}
}
span.end = icaltime_as_timet_with_zone(dtend,
dtend.zone ? dtend.
zone : icaltimezone_get_utc_timezone());
if (icaltime_is_date(dtstart)) {
/* no time specified, go until the end of the day.. */
span.end += 60 * 60 * 24 - 1;
}
return span;
}
PRTime calDateTime::IcaltimeToPRTime(icaltimetype const* icalt, icaltimezone const* tz)
{
icaltimetype tt;
PRExplodedTime et;
/* If the time is the special null time, return 0. */
if (icaltime_is_null_time(*icalt)) {
return 0;
}
if (tz) {
// use libical for timezone conversion, as it can handle all ics
// timezones. having nspr do it is much harder.
tt = icaltime_convert_to_zone(*icalt, const_cast<icaltimezone *>(tz));
} else {
tt = *icalt;
}
/* Empty the destination */
memset(&et, 0, sizeof(struct PRExplodedTime));
/* Fill the fields */
if (icaltime_is_date(tt)) {
et.tm_sec = et.tm_min = et.tm_hour = 0;
} else {
et.tm_sec = tt.second;
et.tm_min = tt.minute;
et.tm_hour = tt.hour;
}
et.tm_mday = static_cast<int16_t>(tt.day);
et.tm_month = static_cast<int16_t>(tt.month-1);
et.tm_year = static_cast<int16_t>(tt.year);
return PR_ImplodeTime(&et);
}
/** @brief Return the time as seconds past the UNIX epoch
*
* While this function is not currently deprecated, it probably won't do
* what you expect, unless you know what you're doing. In particular, you
* should only pass an icaltime in UTC, since no conversion is done. Even
* in that case, it's probably better to just use
* icaltime_as_timet_with_zone().
*/
time_t icaltime_as_timet(const struct icaltimetype tt)
{
struct tm stm;
time_t t;
/* If the time is the special null time, return 0. */
if (icaltime_is_null_time(tt)) {
return 0;
}
/* Copy the icaltimetype to a struct tm. */
memset(&stm, 0, sizeof(struct tm));
if (icaltime_is_date(tt)) {
stm.tm_sec = stm.tm_min = stm.tm_hour = 0;
} else {
stm.tm_sec = tt.second;
stm.tm_min = tt.minute;
stm.tm_hour = tt.hour;
}
stm.tm_mday = tt.day;
stm.tm_mon = tt.month - 1;
stm.tm_year = tt.year - 1900;
stm.tm_isdst = -1;
t = make_time(&stm, 0);
return t;
}
void
icaltimezone_convert_time (struct icaltimetype *tt,
icaltimezone *from_zone,
icaltimezone *to_zone)
{
int utc_offset, is_daylight;
/* If the time is a DATE value or both timezones are the same, or we are
converting a floating time, we don't need to do anything. */
if (icaltime_is_date(*tt) || from_zone == to_zone || from_zone == NULL)
return;
/* Convert the time to UTC by getting the UTC offset and subtracting it. */
utc_offset = icaltimezone_get_utc_offset (from_zone, tt, NULL);
icaltime_adjust (tt, 0, 0, 0, -utc_offset);
/* Now we convert the time to the new timezone by getting the UTC offset
of our UTC time and adding it. */
utc_offset = icaltimezone_get_utc_offset_of_utc_time (to_zone, tt,
&is_daylight);
tt->is_daylight = is_daylight;
icaltime_adjust (tt, 0, 0, 0, utc_offset);
}
static int gn_ical2calnote_real(icalcomponent *comp, gn_calnote *calnote, int id)
{
int retval = GN_ERR_FAILED;
struct icaltimetype dtstart = {0}, dtend = {0};
icalcomponent *compresult = NULL;
if (id < 1)
id = 1;
/* iterate through the component */
iterate_cal(comp, 0, &id, &compresult, ICAL_VEVENT_COMPONENT);
if (!compresult) {
dprintf("No component found.\n");
retval = GN_ERR_EMPTYLOCATION;
} else {
const char *str;
icalcomponent *alarm = {0};
icalproperty *rrule;
struct icalrecurrencetype recur;
retval = GN_ERR_NONE;
calnote->phone_number[0] = 0;
/* type */
str = comp_get_category(compresult);
calnote->type = str2calnote_type(str);
switch (calnote->type) {
case GN_CALNOTE_CALL:
/* description goes into text */
/* TODO: UTF8 --> ascii */
snprintf(calnote->phone_number, GN_CALNOTE_NUMBER_MAX_LENGTH-1, "%s", icalcomponent_get_summary(compresult));
str = icalcomponent_get_description(compresult);
break;
default:
/* summary goes into text */
/* TODO: UTF8 --> ascii */
str = icalcomponent_get_summary(compresult);
break;
}
if (str) {
snprintf(calnote->text, GN_CALNOTE_MAX_LENGTH - 1, "%s", str);
}
/* start time */
dtstart = icalcomponent_get_dtstart(compresult);
if (!icaltime_is_null_time(dtstart)) {
calnote->time.year = dtstart.year;
calnote->time.month = dtstart.month;
calnote->time.day = dtstart.day;
if (!icaltime_is_date(dtstart)) {
calnote->time.hour = dtstart.hour;
calnote->time.minute = dtstart.minute;
calnote->time.second = dtstart.second;
/* TODO: what about time zones? */
}
}
/* end time */
memset(&calnote->end_time, 0, sizeof(calnote->end_time));
dtend = icalcomponent_get_dtend(compresult);
if (!icaltime_is_null_time(dtend)) {
calnote->end_time.year = dtend.year;
calnote->end_time.month = dtend.month;
calnote->end_time.day = dtend.day;
if (!icaltime_is_date(dtend)) {
calnote->end_time.hour = dtend.hour;
calnote->end_time.minute = dtend.minute;
calnote->end_time.second = dtend.second;
/* TODO: what about time zones? */
}
}
/* alarm */
alarm = icalcomponent_get_first_component(compresult, ICAL_VALARM_COMPONENT);
if (alarm) {
icalproperty *trigger = NULL;
trigger = icalcomponent_get_first_property(alarm, ICAL_TRIGGER_PROPERTY);
if (trigger) {
struct icaltriggertype trigger_value;
struct icaltimetype alarm_start;
icalproperty *property;
trigger_value = icalvalue_get_trigger(icalproperty_get_value(trigger));
if (icaltriggertype_is_null_trigger(trigger_value) ||
icaltriggertype_is_bad_trigger(trigger_value)) {
calnote->alarm.enabled = 0;
} else {
if (icaltime_is_null_time(trigger_value.time)) {
memcpy(&alarm_start, &dtstart, sizeof(struct icaltimetype));
} else {
memcpy(&alarm_start, &trigger_value.time, sizeof(struct icaltimetype));
}
if (!(icaldurationtype_is_bad_duration(trigger_value.duration) ||
icaldurationtype_is_null_duration(trigger_value.duration))) {
alarm_start = icaltime_add(alarm_start, trigger_value.duration);
}
calnote->alarm.enabled = 1;
calnote->alarm.timestamp.year = alarm_start.year;
calnote->alarm.timestamp.month = alarm_start.month;
calnote->alarm.timestamp.day = alarm_start.day;
calnote->alarm.timestamp.hour = alarm_start.hour;
calnote->alarm.timestamp.minute = alarm_start.minute;
calnote->alarm.timestamp.second = alarm_start.second;
/* TODO: time zone? */
property = icalcomponent_get_first_property(alarm, ICAL_ACTION_PROPERTY);
calnote->alarm.tone = icalproperty_get_action(property) == ICAL_ACTION_AUDIO ? 1 : 0;
}
}
}
/* recurrence */
rrule = icalcomponent_get_first_property(compresult, ICAL_RRULE_PROPERTY);
if (rrule) {
recur = icalproperty_get_rrule(rrule);
calnote->occurrences = recur.count;
switch (recur.freq) {
case ICAL_SECONDLY_RECURRENCE:
dprintf("Not supported recurrence type. Approximating recurrence\n");
calnote->recurrence = recur.interval / 3600;
if (!calnote->recurrence)
calnote->recurrence = 1;
break;
case ICAL_MINUTELY_RECURRENCE:
dprintf("Not supported recurrence type. Approximating recurrence\n");
calnote->recurrence = recur.interval / 60;
if (!calnote->recurrence)
calnote->recurrence = 1;
break;
case ICAL_HOURLY_RECURRENCE:
calnote->recurrence = recur.interval;
break;
case ICAL_DAILY_RECURRENCE:
calnote->recurrence = recur.interval * 24;
break;
case ICAL_WEEKLY_RECURRENCE:
calnote->recurrence = recur.interval * 24 * 7;
break;
case ICAL_MONTHLY_RECURRENCE:
calnote->recurrence = GN_CALNOTE_MONTHLY;
break;
case ICAL_YEARLY_RECURRENCE:
calnote->recurrence = GN_CALNOTE_YEARLY;
break;
case ICAL_NO_RECURRENCE:
calnote->recurrence = GN_CALNOTE_NEVER;
break;
default:
dprintf("Not supported recurrence type. Assuming never\n");
calnote->recurrence = GN_CALNOTE_NEVER;
break;
}
}
str = icalcomponent_get_location(compresult);
if (!str)
str = "";
snprintf(calnote->mlocation, sizeof(calnote->mlocation), "%s", str);
}
if (compresult) {
#ifdef DEBUG
char *temp;
temp = icalcomponent_as_ical_string(compresult);
dprintf("Component found\n%s\n", temp);
free(temp);
#endif
icalcomponent_free(compresult);
}
return retval;
}
static void
icaltimezone_expand_vtimezone (icalcomponent *comp,
int end_year,
icalarray *changes)
{
icaltimezonechange change;
icalproperty *prop;
struct icaltimetype dtstart, occ;
struct icalrecurrencetype rrule;
icalrecur_iterator* rrule_iterator;
struct icaldatetimeperiodtype rdate;
int found_dtstart = 0, found_tzoffsetto = 0, found_tzoffsetfrom = 0;
int has_recurrence = 0;
/* First we check if it is a STANDARD or DAYLIGHT component, and
just return if it isn't. */
if (icalcomponent_isa (comp) == ICAL_XSTANDARD_COMPONENT)
change.is_daylight = 0;
else if (icalcomponent_isa (comp) == ICAL_XDAYLIGHT_COMPONENT)
change.is_daylight = 1;
else
return;
/* Step through each of the properties to find the DTSTART,
TZOFFSETFROM and TZOFFSETTO. We can't expand recurrences here
since we need these properties before we can do that. */
prop = icalcomponent_get_first_property (comp, ICAL_ANY_PROPERTY);
while (prop) {
switch (icalproperty_isa (prop)) {
case ICAL_DTSTART_PROPERTY:
dtstart = icalproperty_get_dtstart (prop);
found_dtstart = 1;
break;
case ICAL_TZOFFSETTO_PROPERTY:
change.utc_offset = icalproperty_get_tzoffsetto (prop);
/*printf ("Found TZOFFSETTO: %i\n", change.utc_offset);*/
found_tzoffsetto = 1;
break;
case ICAL_TZOFFSETFROM_PROPERTY:
change.prev_utc_offset = icalproperty_get_tzoffsetfrom (prop);
/*printf ("Found TZOFFSETFROM: %i\n", change.prev_utc_offset);*/
found_tzoffsetfrom = 1;
break;
case ICAL_RDATE_PROPERTY:
case ICAL_RRULE_PROPERTY:
has_recurrence = 1;
break;
default:
/* Just ignore any other properties. */
break;
}
prop = icalcomponent_get_next_property (comp, ICAL_ANY_PROPERTY);
}
/* If we didn't find a DTSTART, TZOFFSETTO and TZOFFSETFROM we have to
ignore the component. FIXME: Add an error property? */
if (!found_dtstart || !found_tzoffsetto || !found_tzoffsetfrom)
return;
#if 0
printf ("\n Expanding component DTSTART (Y/M/D): %i/%i/%i %i:%02i:%02i\n",
dtstart.year, dtstart.month, dtstart.day,
dtstart.hour, dtstart.minute, dtstart.second);
#endif
/* If the STANDARD/DAYLIGHT component has no recurrence data, we just add
a single change for the DTSTART. */
if (!has_recurrence) {
change.year = dtstart.year;
change.month = dtstart.month;
change.day = dtstart.day;
change.hour = dtstart.hour;
change.minute = dtstart.minute;
change.second = dtstart.second;
/* Convert to UTC. */
icaltimezone_adjust_change (&change, 0, 0, 0, -change.prev_utc_offset);
#if 0
printf (" Appending single DTSTART (Y/M/D): %i/%02i/%02i %i:%02i:%02i\n",
change.year, change.month, change.day,
change.hour, change.minute, change.second);
#endif
/* Add the change to the array. */
icalarray_append (changes, &change);
return;
}
/* The component has recurrence data, so we expand that now. */
prop = icalcomponent_get_first_property (comp, ICAL_ANY_PROPERTY);
while (prop) {
#if 0
printf ("Expanding property...\n");
#endif
switch (icalproperty_isa (prop)) {
case ICAL_RDATE_PROPERTY:
rdate = icalproperty_get_rdate (prop);
change.year = rdate.time.year;
change.month = rdate.time.month;
change.day = rdate.time.day;
/* RDATEs with a DATE value inherit the time from
the DTSTART. */
if (icaltime_is_date(rdate.time)) {
change.hour = dtstart.hour;
change.minute = dtstart.minute;
change.second = dtstart.second;
} else {
change.hour = rdate.time.hour;
change.minute = rdate.time.minute;
change.second = rdate.time.second;
/* The spec was a bit vague about whether RDATEs were in local
time or UTC so we support both to be safe. So if it is in
UTC we have to add the UTC offset to get a local time. */
if (!icaltime_is_utc(rdate.time))
icaltimezone_adjust_change (&change, 0, 0, 0,
-change.prev_utc_offset);
}
#if 0
printf (" Appending RDATE element (Y/M/D): %i/%02i/%02i %i:%02i:%02i\n",
change.year, change.month, change.day,
change.hour, change.minute, change.second);
#endif
icalarray_append (changes, &change);
break;
case ICAL_RRULE_PROPERTY:
rrule = icalproperty_get_rrule (prop);
/* If the rrule UNTIL value is set and is in UTC, we convert it to
a local time, since the recurrence code has no way to convert
it itself. */
if (!icaltime_is_null_time (rrule.until) && rrule.until.is_utc) {
#if 0
printf (" Found RRULE UNTIL in UTC.\n");
#endif
/* To convert from UTC to a local time, we use the TZOFFSETFROM
since that is the offset from UTC that will be in effect
when each of the RRULE occurrences happens. */
icaltime_adjust (&rrule.until, 0, 0, 0,
change.prev_utc_offset);
rrule.until.is_utc = 0;
}
rrule_iterator = icalrecur_iterator_new (rrule, dtstart);
for (;;) {
occ = icalrecur_iterator_next (rrule_iterator);
if (occ.year > end_year || icaltime_is_null_time (occ))
break;
change.year = occ.year;
change.month = occ.month;
change.day = occ.day;
change.hour = occ.hour;
change.minute = occ.minute;
change.second = occ.second;
#if 0
printf (" Appending RRULE element (Y/M/D): %i/%02i/%02i %i:%02i:%02i\n",
change.year, change.month, change.day,
change.hour, change.minute, change.second);
#endif
icaltimezone_adjust_change (&change, 0, 0, 0,
-change.prev_utc_offset);
icalarray_append (changes, &change);
}
icalrecur_iterator_free (rrule_iterator);
break;
default:
break;
}
prop = icalcomponent_get_next_property (comp, ICAL_ANY_PROPERTY);
}
}