/** Get TZID property value from iCal component.
*
* @param comp iCal component.
*
* @return TZID value (string) or NULL.
*/
const char *icalcomponent_get_tzid(icalcomponent *comp)
{
icalproperty *prop;
if (comp)
{
prop = icalcomponent_get_first_property(comp, ICAL_TZID_PROPERTY);
if (prop)
{
return icalproperty_get_tzid(prop);
}
}
return NULL;
}
/** Gets the TZID, LOCATION/X-LIC-LOCATION and TZNAME properties of
the VTIMEZONE component and stores them in the icaltimezone. It
returns 1 on success, or 0 if the TZID can't be found. Note that
it expects the zone to be initialized or reset - it doesn't free
any old values. */
static int
icaltimezone_get_vtimezone_properties (icaltimezone *zone,
icalcomponent *component)
{
icalproperty *prop;
const char *tzid;
prop = icalcomponent_get_first_property (component, ICAL_TZID_PROPERTY);
if (!prop)
return 0;
/* A VTIMEZONE MUST have a TZID, or a lot of our code won't work. */
tzid = icalproperty_get_tzid (prop);
if (!tzid)
return 0;
zone->tzid = strdup (tzid);
zone->component = component;
if ( zone->location != 0 ) free ( zone->location );
zone->location = icaltimezone_get_location_from_vtimezone (component);
zone->tznames = icaltimezone_get_tznames_from_vtimezone (component);
return 1;
}
