/*
* $Id$
- *
+ */
+/**
+ * \defgroup IcalDezonify normalize ical dates to UTC
* Function to go through an ical component set and convert all non-UTC
- * DTSTART and DTEND properties to UTC. It also strips out any VTIMEZONE
+ * date/time properties to UTC. It also strips out any VTIMEZONE
* subcomponents afterwards, because they're irrelevant.
*
+ * Everything here will work on both a fully encapsulated VCALENDAR component
+ * or any type of subcomponent.
+ *
+ * \ingroup Calendaring
*/
+/*@{*/
+
+#include "webcit.h"
+#include "webserver.h"
+
-#ifdef HAVE_ICAL_H
+#ifdef WEBCIT_WITH_CALENDAR_SERVICE
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <ical.h>
-/*
- * Back end function for ical_dezonify()
+/**
+ * \brief Back end function for ical_dezonify()
*
- * We supply this with the master component and the property (which will
- * be a DTSTART or DTEND) which we want to convert to UTC.
+ * We supply this with the master component, the relevant component,
+ * and the property (which will be a DTSTART, DTEND, etc.)
+ * which we want to convert to UTC.
+ * \param cal dunno ???
+ * \param rcal dunno ???
+ * \param prop dunno ???
*/
-void ical_dezonify_backend(icalcomponent *cal, icalproperty *prop) {
- icaltimezone *t;
+void ical_dezonify_backend(icalcomponent *cal,
+ icalcomponent *rcal,
+ icalproperty *prop) {
+
+ icaltimezone *t = NULL;
icalparameter *param;
const char *tzid;
struct icaltimetype TheTime;
- /* Give me nothing and I will give you nothing in return. */
+ /** Give me nothing and I will give you nothing in return. */
if (cal == NULL) return;
- /* Hunt for a TZID parameter in this property. */
+ /** Hunt for a TZID parameter in this property. */
param = icalproperty_get_first_parameter(prop, ICAL_TZID_PARAMETER);
- if (param == NULL) return;
- /* Get the stringish name of this TZID. */
- tzid = icalparameter_get_tzid(param);
- if (tzid == NULL) return;
+ /** Get the stringish name of this TZID. */
+ if (param != NULL) {
+ tzid = icalparameter_get_tzid(param);
- /* Convert it to an icaltimezone type. */
- t = icalcomponent_get_timezone(cal, tzid);
- if (t == NULL) return;
+ /** Convert it to an icaltimezone type. */
+ if (tzid != NULL) {
+ t = icalcomponent_get_timezone(cal, tzid);
+ }
- /* Now we know the timezone. Convert to UTC. */
+ }
+
+ /** Now we know the timezone. Convert to UTC. */
if (icalproperty_isa(prop) == ICAL_DTSTART_PROPERTY) {
TheTime = icalproperty_get_dtstart(prop);
else if (icalproperty_isa(prop) == ICAL_DTEND_PROPERTY) {
TheTime = icalproperty_get_dtend(prop);
}
+ else if (icalproperty_isa(prop) == ICAL_DUE_PROPERTY) {
+ TheTime = icalproperty_get_due(prop);
+ }
+ else if (icalproperty_isa(prop) == ICAL_EXDATE_PROPERTY) {
+ TheTime = icalproperty_get_exdate(prop);
+ }
+ else {
+ return;
+ }
- /* Do the conversion.
- */
- icaltimezone_convert_time(&TheTime,
- t,
- icaltimezone_get_utc_timezone()
- );
-
- /* Now strip the TZID parameter, because it's incorrect now. */
- icalproperty_remove_parameter(prop, ICAL_TZID_PARAMETER);
+ /** Do the conversion. */
+ if (t != NULL) {
+ icaltimezone_convert_time(&TheTime,
+ t,
+ icaltimezone_get_utc_timezone()
+ );
+ }
+ TheTime.is_utc = 1;
+ icalproperty_remove_parameter_by_kind(prop, ICAL_TZID_PARAMETER);
+ /** Now add the converted property back in. */
if (icalproperty_isa(prop) == ICAL_DTSTART_PROPERTY) {
icalproperty_set_dtstart(prop, TheTime);
}
else if (icalproperty_isa(prop) == ICAL_DTEND_PROPERTY) {
icalproperty_set_dtend(prop, TheTime);
}
-
+ else if (icalproperty_isa(prop) == ICAL_DUE_PROPERTY) {
+ icalproperty_set_due(prop, TheTime);
+ }
+ else if (icalproperty_isa(prop) == ICAL_EXDATE_PROPERTY) {
+ icalproperty_set_exdate(prop, TheTime);
+ }
}
-/*
- * Recursive portion of ical_dezonify()
+/**
+ * \brief Recursive portion of ical_dezonify()
+ * \param cal dunno ???
+ * \param rcal dunno ???
*/
void ical_dezonify_recur(icalcomponent *cal, icalcomponent *rcal) {
icalcomponent *c;
icalproperty *p;
- /*
+ /**
* Recurse through all subcomponents *except* VTIMEZONE ones.
*/
for (c=icalcomponent_get_first_component(
}
}
- /*
+ /**
* Now look for DTSTART and DTEND properties
*/
for (p=icalcomponent_get_first_property(
if (
(icalproperty_isa(p) == ICAL_DTSTART_PROPERTY)
|| (icalproperty_isa(p) == ICAL_DTEND_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_DUE_PROPERTY)
+ || (icalproperty_isa(p) == ICAL_EXDATE_PROPERTY)
) {
- ical_dezonify_backend(cal, p);
+ ical_dezonify_backend(cal, rcal, p);
}
}
}
-/*
- * Convert all DTSTART and DTEND properties in all subcomponents to UTC.
+/**
+ * \brief Convert all DTSTART and DTEND properties in all subcomponents to UTC.
* This function will search any VTIMEZONE subcomponents to learn the
* relevant timezone information.
+ * \param cal item to process
*/
void ical_dezonify(icalcomponent *cal) {
icalcomponent *vt = NULL;
- /* Convert all times to UTC */
+ /** Convert all times to UTC */
ical_dezonify_recur(cal, cal);
- /* Strip out VTIMEZONE subcomponents -- we don't need them anymore */
+ /** Strip out VTIMEZONE subcomponents -- we don't need them anymore */
while (vt = icalcomponent_get_first_component(
cal, ICAL_VTIMEZONE_COMPONENT), vt != NULL) {
icalcomponent_remove_component(cal, vt);
icalcomponent_free(vt);
}
+
}
-#endif /* HAVE_ICAL_H */
+
+#endif /* WEBCIT_WITH_CALENDAR_SERVICE */
+/*@}*/
projects / citadel.git / blobdiff