This commit was manufactured by cvs2svn to create tag 'guikachu-0_8'.guikachu-0_8

svn path=/tags/guikachu-0_8/; revision=11681

1 files changed, 0 insertions, 4977 deletions

diff --git a/calendar/cal-util/cal-component.c b/calendar/cal-util/cal-component.c
deleted file mode 100644
index b806f8e3e7..0000000000
--- a/calendar/cal-util/cal-component.c
+++ /dev/null
@@ -1,4977 +0,0 @@
-/* Evolution calendar - iCalendar component object
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Author: Federico Mena-Quintero <federico@ximian.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <config.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "cal-component.h"
-#include "timeutil.h"
-
-
-
-/* Extension property for alarm components so that we can reference them by UID */
-#define EVOLUTION_ALARM_UID_PROPERTY "X-EVOLUTION-ALARM-UID"
-
-/* Private part of the CalComponent structure */
-struct _CalComponentPrivate {
-	/* The icalcomponent we wrap */
-	icalcomponent *icalcomp;
-
-	/* Properties */
-
-	icalproperty *uid;
-
-	icalproperty *status;
-
-	struct attendee {
-		icalproperty *prop;
-		icalparameter *cutype_param;
-		icalparameter *member_param;
-		icalparameter *role_param;
-		icalparameter *partstat_param;
-		icalparameter *rsvp_param;
-		icalparameter *delto_param;
-		icalparameter *delfrom_param;
-		icalparameter *sentby_param;
-		icalparameter *cn_param;
-		icalparameter *language_param;
-	};
-	
-	GSList *attendee_list;
-	
-	icalproperty *categories;
-
-	icalproperty *classification;
-
-	struct text {
-		icalproperty *prop;
-		icalparameter *altrep_param;
-	};
-
-	GSList *comment_list; /* list of struct text */
-
-	icalproperty *completed;
-	icalproperty *created;
-
-	GSList *description_list; /* list of struct text */
-
-	struct datetime {
-		icalproperty *prop;
-		icalparameter *tzid_param;
-	};
-
-	struct datetime dtstart;
-	struct datetime dtend;
-
-	icalproperty *dtstamp;
-
-	struct datetime due;
-
-	GSList *exdate_list; /* list of struct datetime */
-	GSList *exrule_list; /* list of icalproperty objects */
-
-	struct organizer {
-		icalproperty *prop;
-		icalparameter *sentby_param;
-		icalparameter *cn_param;
-		icalparameter *language_param;
-	};
-
-	struct organizer organizer;
-	
-	icalproperty *geo;
-	icalproperty *last_modified;
-	icalproperty *percent;
-	icalproperty *priority;
-
-	struct period {
-		icalproperty *prop;
-		icalparameter *value_param;
-	};
-
-	struct recur_id {
-		struct datetime recur_time;
-		
-		icalparameter *range_param;
-	};
-
-	struct recur_id recur_id;
-	
-	GSList *rdate_list; /* list of struct period */
-
-	GSList *rrule_list; /* list of icalproperty objects */
-
-	icalproperty *sequence;
-
-	struct {
-		icalproperty *prop;
-		icalparameter *altrep_param;
-	} summary;
-
-	icalproperty *transparency;
-	icalproperty *url;
-
-	/* Subcomponents */
-
-	GHashTable *alarm_uid_hash;
-
-	/* Whether we should increment the sequence number when piping the
-	 * object over the wire.
-	 */
-	guint need_sequence_inc : 1;
-};
-
-/* Private structure for alarms */
-struct _CalComponentAlarm {
-	/* Alarm icalcomponent we wrap */
-	icalcomponent *icalcomp;
-
-	/* Our extension UID property */
-	icalproperty *uid;
-
-	/* Properties */
-
-	icalproperty *action;
-	icalproperty *attach; /* FIXME: see scan_alarm_property() below */
-
-	struct {
-		icalproperty *prop;
-		icalparameter *altrep_param;
-	} description;
-
-	icalproperty *duration;
-	icalproperty *repeat;
-	icalproperty *trigger;
-};
-
-
-
-static void cal_component_class_init (CalComponentClass *class);
-static void cal_component_init (CalComponent *comp);
-static void cal_component_destroy (GtkObject *object);
-
-static GtkObjectClass *parent_class;
-
-
-
-/**
- * cal_component_get_type:
- *
- * Registers the #CalComponent class if necessary, and returns the type ID
- * associated to it.
- *
- * Return value: The type ID of the #CalComponent class.
- **/
-GtkType
-cal_component_get_type (void)
-{
-	static GtkType cal_component_type = 0;
-
-	if (!cal_component_type) {
-		static const GtkTypeInfo cal_component_info = {
-			"CalComponent",
-			sizeof (CalComponent),
-			sizeof (CalComponentClass),
-			(GtkClassInitFunc) cal_component_class_init,
-			(GtkObjectInitFunc) cal_component_init,
-			NULL, /* reserved_1 */
-			NULL, /* reserved_2 */
-			(GtkClassInitFunc) NULL
-		};
-
-		cal_component_type = gtk_type_unique (GTK_TYPE_OBJECT, &cal_component_info);
-	}
-
-	return cal_component_type;
-}
-
-/* Class initialization function for the calendar component object */
-static void
-cal_component_class_init (CalComponentClass *class)
-{
-	GtkObjectClass *object_class;
-
-	object_class = (GtkObjectClass *) class;
-
-	parent_class = gtk_type_class (GTK_TYPE_OBJECT);
-
-	object_class->destroy = cal_component_destroy;
-}
-
-/* Object initialization function for the calendar component object */
-static void
-cal_component_init (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	priv = g_new0 (CalComponentPrivate, 1);
-	comp->priv = priv;
-
-	priv->alarm_uid_hash = g_hash_table_new (g_str_hash, g_str_equal);
-}
-
-/* Does a simple g_free() of the elements of a GSList and then frees the list
- * itself.  Returns NULL.
- */
-static GSList *
-free_slist (GSList *slist)
-{
-	GSList *l;
-
-	for (l = slist; l; l = l->next)
-		g_free (l->data);
-
-	g_slist_free (slist);
-	return NULL;
-}
-
-/* Used from g_hash_table_foreach_remove() to free the alarm UIDs hash table.
- * We do not need to do anything to individual elements since we were storing
- * the UID pointers inside the icalproperties themselves.
- */
-static gboolean
-free_alarm_cb (gpointer key, gpointer value, gpointer data)
-{
-	return TRUE;
-}
-
-/* Frees the internal icalcomponent only if it does not have a parent.  If it
- * does, it means we don't own it and we shouldn't free it.
- */
-static void
-free_icalcomponent (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	priv = comp->priv;
-
-	if (!priv->icalcomp)
-		return;
-
-	/* Free the icalcomponent */
-
-	if (icalcomponent_get_parent (priv->icalcomp) == NULL)
-		icalcomponent_free (priv->icalcomp);
-
-	priv->icalcomp = NULL;
-
-	/* Free the mappings */
-
-	priv->uid = NULL;
-
-	priv->status = NULL;
-
-	priv->categories = NULL;
-
-	priv->classification = NULL;
-	priv->comment_list = NULL;
-	priv->completed = NULL;
-	priv->created = NULL;
-
-	priv->description_list = free_slist (priv->description_list);
-
-	priv->dtend.prop = NULL;
-	priv->dtend.tzid_param = NULL;
-
-	priv->dtstamp = NULL;
-
-	priv->dtstart.prop = NULL;
-	priv->dtstart.tzid_param = NULL;
-
-	priv->due.prop = NULL;
-	priv->due.tzid_param = NULL;
-
-	priv->exdate_list = free_slist (priv->exdate_list);
-
-	g_slist_free (priv->exrule_list);
-	priv->exrule_list = NULL;
-
-	priv->geo = NULL;
-	priv->last_modified = NULL;
-	priv->percent = NULL;
-	priv->priority = NULL;
-
-	priv->rdate_list = free_slist (priv->rdate_list);
-
-	g_slist_free (priv->rrule_list);
-	priv->rrule_list = NULL;
-
-	priv->sequence = NULL;
-
-	priv->summary.prop = NULL;
-	priv->summary.altrep_param = NULL;
-
-	priv->transparency = NULL;
-	priv->url = NULL;
-
-	/* Free the subcomponents */
-
-	g_hash_table_foreach_remove (priv->alarm_uid_hash, free_alarm_cb, NULL);
-
-	/* Clean up */
-
-	priv->need_sequence_inc = FALSE;
-}
-
-/* Destroy handler for the calendar component object */
-static void
-cal_component_destroy (GtkObject *object)
-{
-	CalComponent *comp;
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (object != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (object));
-
-	comp = CAL_COMPONENT (object);
-	priv = comp->priv;
-
-	free_icalcomponent (comp);
-	g_hash_table_destroy (priv->alarm_uid_hash);
-	priv->alarm_uid_hash = NULL;
-
-	g_free (priv);
-	comp->priv = NULL;
-
-	if (GTK_OBJECT_CLASS (parent_class)->destroy)
-		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-
-
-/**
- * cal_component_gen_uid:
- *
- * Generates a unique identifier suitable for calendar components.
- *
- * Return value: A unique identifier string.  Every time this function is called
- * a different string is returned.
- **/
-char *
-cal_component_gen_uid (void)
-{
-        char *iso, *ret;
-	static char *hostname;
-	time_t t = time (NULL);
-	static int serial;
-
-	if (!hostname) {
-		static char buffer [512];
-
-		if ((gethostname (buffer, sizeof (buffer) - 1) == 0) &&
-		    (buffer [0] != 0))
-			hostname = buffer;
-		else
-			hostname = "localhost";
-	}
-
-	iso = isodate_from_time_t (t);
-	ret = g_strdup_printf ("%s-%d-%d-%d-%d@%s",
-			       iso,
-			       getpid (),
-			       getgid (),
-			       getppid (),
-			       serial++,
-			       hostname);
-	g_free (iso);
-
-	return ret;
-}
-
-/**
- * cal_component_new:
- *
- * Creates a new empty calendar component object.  You should set it from an
- * #icalcomponent structure by using cal_component_set_icalcomponent() or with a
- * new empty component type by using cal_component_set_new_vtype().
- *
- * Return value: A newly-created calendar component object.
- **/
-CalComponent *
-cal_component_new (void)
-{
-	return CAL_COMPONENT (gtk_type_new (CAL_COMPONENT_TYPE));
-}
-
-/**
- * cal_component_clone:
- * @comp: A calendar component object.
- *
- * Creates a new calendar component object by copying the information from
- * another one.
- *
- * Return value: A newly-created calendar component with the same values as the
- * original one.
- **/
-CalComponent *
-cal_component_clone (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-	CalComponent *new_comp;
-	icalcomponent *new_icalcomp;
-
-	g_return_val_if_fail (comp != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), NULL);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->need_sequence_inc == FALSE, NULL);
-
-	new_comp = cal_component_new ();
-
-	if (priv->icalcomp) {
-		new_icalcomp = icalcomponent_new_clone (priv->icalcomp);
-		cal_component_set_icalcomponent (new_comp, new_icalcomp);
-	}
-
-	return new_comp;
-}
-
-/* Scans an attendee property */
-static void
-scan_attendee (CalComponent *comp, GSList **attendee_list, icalproperty *prop) 
-{
-	struct attendee *attendee;
-	
-	attendee = g_new (struct attendee, 1);
-	attendee->prop = prop;
-
-	attendee->cutype_param = icalproperty_get_first_parameter (prop, ICAL_CUTYPE_PARAMETER);
-	attendee->member_param = icalproperty_get_first_parameter (prop, ICAL_MEMBER_PARAMETER);
-	attendee->role_param = icalproperty_get_first_parameter (prop, ICAL_ROLE_PARAMETER);
-	attendee->partstat_param = icalproperty_get_first_parameter (prop, ICAL_PARTSTAT_PARAMETER);
-	attendee->rsvp_param = icalproperty_get_first_parameter (prop, ICAL_RSVP_PARAMETER);
-	attendee->delto_param = icalproperty_get_first_parameter (prop, ICAL_DELEGATEDTO_PARAMETER);
-	attendee->delfrom_param = icalproperty_get_first_parameter (prop, ICAL_DELEGATEDFROM_PARAMETER);
-	attendee->sentby_param = icalproperty_get_first_parameter (prop, ICAL_SENTBY_PARAMETER);
-	attendee->cn_param = icalproperty_get_first_parameter (prop, ICAL_CN_PARAMETER);
-	attendee->language_param = icalproperty_get_first_parameter (prop, ICAL_LANGUAGE_PARAMETER);
-	
-	*attendee_list = g_slist_append (*attendee_list, attendee);
-}
-
-/* Scans a date/time and timezone pair property */
-static void
-scan_datetime (CalComponent *comp, struct datetime *datetime, icalproperty *prop)
-{
-	CalComponentPrivate *priv;
-
-	priv = comp->priv;
-
-	datetime->prop = prop;
-	datetime->tzid_param = icalproperty_get_first_parameter (prop, ICAL_TZID_PARAMETER);
-}
-
-/* Scans an exception date property */
-static void
-scan_exdate (CalComponent *comp, icalproperty *prop)
-{
-	CalComponentPrivate *priv;
-	struct datetime *dt;
-
-	priv = comp->priv;
-
-	dt = g_new (struct datetime, 1);
-	dt->prop = prop;
-	dt->tzid_param = icalproperty_get_first_parameter (prop, ICAL_TZID_PARAMETER);
-
-	priv->exdate_list = g_slist_append (priv->exdate_list, dt);
-}
-
-/* Scans and attendee property */
-static void
-scan_organizer (CalComponent *comp, struct organizer *organizer, icalproperty *prop) 
-{
-	organizer->prop = prop;
-
-	organizer->sentby_param = icalproperty_get_first_parameter (prop, ICAL_SENTBY_PARAMETER);
-	organizer->cn_param = icalproperty_get_first_parameter (prop, ICAL_CN_PARAMETER);
-	organizer->language_param = icalproperty_get_first_parameter (prop, ICAL_LANGUAGE_PARAMETER);
-}
-
-/* Scans an icalperiodtype property */
-static void
-scan_period (CalComponent *comp, GSList **list, icalproperty *prop)
-{
-	struct period *period;
-
-	period = g_new (struct period, 1);
-	period->prop = prop;
-	period->value_param = icalproperty_get_first_parameter (prop, ICAL_VALUE_PARAMETER);
-
-	*list = g_slist_append (*list, period);
-}
-
-
-/* Scans an icalrecurtype property */
-static void
-scan_recur_id (CalComponent *comp, struct recur_id *recur_id, icalproperty *prop)
-{
-	scan_datetime (comp, &recur_id->recur_time, prop);
-
-	recur_id->range_param = icalproperty_get_first_parameter (prop, ICAL_RANGE_PARAMETER);
-}
-
-/* Scans an icalrecurtype property */
-static void
-scan_recur (CalComponent *comp, GSList **list, icalproperty *prop)
-{
-	*list = g_slist_append (*list, prop);
-}
-
-/* Scans the summary property */
-static void
-scan_summary (CalComponent *comp, icalproperty *prop)
-{
-	CalComponentPrivate *priv;
-
-	priv = comp->priv;
-
-	priv->summary.prop = prop;
-	priv->summary.altrep_param = icalproperty_get_first_parameter (prop, ICAL_ALTREP_PARAMETER);
-}
-
-/* Scans a text (i.e. text + altrep) property */
-static void
-scan_text (CalComponent *comp, GSList **text_list, icalproperty *prop)
-{
-	struct text *text;
-
-	text = g_new (struct text, 1);
-	text->prop = prop;
-	text->altrep_param = icalproperty_get_first_parameter (prop, ICAL_ALTREP_PARAMETER);
-
-	*text_list = g_slist_append (*text_list, text);
-}
-
-/* Scans an icalproperty and adds its mapping to the component */
-static void
-scan_property (CalComponent *comp, icalproperty *prop)
-{
-	CalComponentPrivate *priv;
-	icalproperty_kind kind;
-
-	priv = comp->priv;
-
-	kind = icalproperty_isa (prop);
-
-	switch (kind) {
-	case ICAL_STATUS_PROPERTY:
-		priv->status = prop;
-		break;
-
-	case ICAL_ATTENDEE_PROPERTY:
-		scan_attendee (comp, &priv->attendee_list, prop);
-		break;
-
-	case ICAL_CATEGORIES_PROPERTY:
-		priv->categories = prop;
-		break;
-
-	case ICAL_CLASS_PROPERTY:
-		priv->classification = prop;
-		break;
-
-	case ICAL_COMMENT_PROPERTY:
-		scan_text (comp, &priv->comment_list, prop);
-		break;
-
-	case ICAL_COMPLETED_PROPERTY:
-		priv->completed = prop;
-		break;
-
-	case ICAL_CREATED_PROPERTY:
-		priv->created = prop;
-		break;
-
-	case ICAL_DESCRIPTION_PROPERTY:
-		scan_text (comp, &priv->description_list, prop);
-		break;
-
-	case ICAL_DTEND_PROPERTY:
-		scan_datetime (comp, &priv->dtend, prop);
-		break;
-
-	case ICAL_DTSTAMP_PROPERTY:
-		priv->dtstamp = prop;
-		break;
-
-	case ICAL_DTSTART_PROPERTY:
-		scan_datetime (comp, &priv->dtstart, prop);
-		break;
-
-	case ICAL_DUE_PROPERTY:
-		scan_datetime (comp, &priv->due, prop);
-		break;
-
-	case ICAL_EXDATE_PROPERTY:
-		scan_exdate (comp, prop);
-		break;
-
-	case ICAL_EXRULE_PROPERTY:
-		scan_recur (comp, &priv->exrule_list, prop);
-		break;
-
-	case ICAL_GEO_PROPERTY:
-		priv->geo = prop;
-		break;
-
-	case ICAL_LASTMODIFIED_PROPERTY:
-		priv->last_modified = prop;
-		break;
-
-	case ICAL_ORGANIZER_PROPERTY:
-		scan_organizer (comp, &priv->organizer, prop);
-		break;
-
-	case ICAL_PERCENTCOMPLETE_PROPERTY:
-		priv->percent = prop;
-		break;
-
-	case ICAL_PRIORITY_PROPERTY:
-		priv->priority = prop;
-		break;
-
-	case ICAL_RECURRENCEID_PROPERTY:
-		scan_recur_id (comp, &priv->recur_id, prop);
-		break;
-
-	case ICAL_RDATE_PROPERTY:
-		scan_period (comp, &priv->rdate_list, prop);
-		break;
-
-	case ICAL_RRULE_PROPERTY:
-		scan_recur (comp, &priv->rrule_list, prop);
-		break;
-
-	case ICAL_SEQUENCE_PROPERTY:
-		priv->sequence = prop;
-		break;
-
-	case ICAL_SUMMARY_PROPERTY:
-		scan_summary (comp, prop);
-		break;
-
-	case ICAL_TRANSP_PROPERTY:
-		priv->transparency = prop;
-		break;
-
-	case ICAL_UID_PROPERTY:
-		priv->uid = prop;
-		break;
-
-	case ICAL_URL_PROPERTY:
-		priv->url = prop;
-		break;
-
-	default:
-		break;
-	}
-}
-
-/* Gets our alarm UID string from a property that is known to contain it */
-static const char *
-alarm_uid_from_prop (icalproperty *prop)
-{
-	const char *xstr;
-
-	g_assert (icalproperty_isa (prop) == ICAL_X_PROPERTY);
-
-	xstr = icalproperty_get_x (prop);
-	g_assert (xstr != NULL);
-
-	return xstr;
-}
-
-/* Sets our alarm UID extension property on an alarm component.  Returns a
- * pointer to the UID string inside the property itself.
- */
-static const char *
-set_alarm_uid (icalcomponent *alarm, const char *auid)
-{
-	icalproperty *prop;
-	const char *inprop_auid;
-
-	/* Create the new property */
-
-	prop = icalproperty_new_x ((char *) auid);
-	icalproperty_set_x_name (prop, EVOLUTION_ALARM_UID_PROPERTY);
-
-	icalcomponent_add_property (alarm, prop);
-
-	inprop_auid = alarm_uid_from_prop (prop);
-	return inprop_auid;
-}
-
-/* Removes any alarm UID extension properties from an alarm subcomponent */
-static void
-remove_alarm_uid (icalcomponent *alarm)
-{
-	icalproperty *prop;
-	GSList *list, *l;
-
-	list = NULL;
-
-	for (prop = icalcomponent_get_first_property (alarm, ICAL_X_PROPERTY);
-	     prop;
-	     prop = icalcomponent_get_next_property (alarm, ICAL_X_PROPERTY)) {
-		const char *xname;
-
-		xname = icalproperty_get_x_name (prop);
-		g_assert (xname != NULL);
-
-		if (strcmp (xname, EVOLUTION_ALARM_UID_PROPERTY) == 0)
-			list = g_slist_prepend (list, prop);
-	}
-
-	for (l = list; l; l = l->next) {
-		prop = l->data;
-		icalcomponent_remove_property (alarm, prop);
-		icalproperty_free (prop);
-	}
-
-	g_slist_free (list);
-}
-
-/* Adds an alarm subcomponent to the calendar component's mapping table.  The
- * actual UID with which it gets added may not be the same as the specified one;
- * this function will change it if the table already had an alarm subcomponent
- * with the specified UID.  Returns the actual UID used.
- */
-static const char *
-add_alarm (CalComponent *comp, icalcomponent *alarm, const char *auid)
-{
-	CalComponentPrivate *priv;
-	icalcomponent *old_alarm;
-
-	priv = comp->priv;
-
-	/* First we see if we already have an alarm with the requested UID.  In
-	 * that case, we need to change the new UID to something else.  This
-	 * should never happen, but who knows.
-	 */
-
-	old_alarm = g_hash_table_lookup (priv->alarm_uid_hash, auid);
-	if (old_alarm != NULL) {
-		char *new_auid;
-
-		g_message ("add_alarm(): Got alarm with duplicated UID `%s', changing it...", auid);
-
-		remove_alarm_uid (alarm);
-
-		new_auid = cal_component_gen_uid ();
-		auid = set_alarm_uid (alarm, new_auid);
-		g_free (new_auid);
-	}
-
-	g_hash_table_insert (priv->alarm_uid_hash, (char *) auid, alarm);
-	return auid;
-}
-
-/* Scans an alarm subcomponent, adds an UID extension property to it (so that we
- * can reference alarms by unique IDs), and adds its mapping to the component.  */
-static void
-scan_alarm (CalComponent *comp, icalcomponent *alarm)
-{
-	CalComponentPrivate *priv;
-	icalproperty *prop;
-	const char *auid;
-	char *new_auid;
-
-	priv = comp->priv;
-
-	for (prop = icalcomponent_get_first_property (alarm, ICAL_X_PROPERTY);
-	     prop;
-	     prop = icalcomponent_get_next_property (alarm, ICAL_X_PROPERTY)) {
-		const char *xname;
-
-		xname = icalproperty_get_x_name (prop);
-		g_assert (xname != NULL);
-
-		if (strcmp (xname, EVOLUTION_ALARM_UID_PROPERTY) == 0) {
-			auid = alarm_uid_from_prop (prop);
-			add_alarm (comp, alarm, auid);
-			return;
-		}
-	}
-
-	/* The component has no alarm UID property, so we create one. */
-
-	new_auid = cal_component_gen_uid ();
-	auid = set_alarm_uid (alarm, new_auid);
-	g_free (new_auid);
-
-	add_alarm (comp, alarm, auid);
-}
-
-/* Scans an icalcomponent for its properties so that we can provide
- * random-access to them.  It also builds a hash table of the component's alarm
- * subcomponents.
- */
-static void
-scan_icalcomponent (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-	icalproperty *prop;
-	icalcompiter iter;
-
-	priv = comp->priv;
-
-	g_assert (priv->icalcomp != NULL);
-
-	/* Scan properties */
-
-	for (prop = icalcomponent_get_first_property (priv->icalcomp, ICAL_ANY_PROPERTY);
-	     prop;
-	     prop = icalcomponent_get_next_property (priv->icalcomp, ICAL_ANY_PROPERTY))
-		scan_property (comp, prop);
-
-	/* Scan subcomponents */
-
-	for (iter = icalcomponent_begin_component (priv->icalcomp, ICAL_VALARM_COMPONENT);
-	     icalcompiter_deref (&iter) != NULL;
-	     icalcompiter_next (&iter)) {
-		icalcomponent *subcomp;
-
-		subcomp = icalcompiter_deref (&iter);
-		scan_alarm (comp, subcomp);
-	}
-}
-
-/* Ensures that the mandatory calendar component properties (uid, dtstamp) do
- * exist.  If they don't exist, it creates them automatically.
- */
-static void
-ensure_mandatory_properties (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	priv = comp->priv;
-	g_assert (priv->icalcomp != NULL);
-
-	if (!priv->uid) {
-		char *uid;
-
-		uid = cal_component_gen_uid ();
-		priv->uid = icalproperty_new_uid (uid);
-		g_free (uid);
-
-		icalcomponent_add_property (priv->icalcomp, priv->uid);
-	}
-
-	if (!priv->dtstamp) {
-		time_t tim;
-		struct icaltimetype t;
-
-		tim = time (NULL);
-		t = icaltime_from_timet_with_zone (tim, FALSE, icaltimezone_get_utc_timezone ());
-
-		priv->dtstamp = icalproperty_new_dtstamp (t);
-		icalcomponent_add_property (priv->icalcomp, priv->dtstamp);
-	}
-}
-
-/**
- * cal_component_set_new_vtype:
- * @comp: A calendar component object.
- * @type: Type of calendar component to create.
- *
- * Clears any existing component data from a calendar component object and
- * creates a new #icalcomponent of the specified type for it.  The only property
- * that will be set in the new component will be its unique identifier.
- **/
-void
-cal_component_set_new_vtype (CalComponent *comp, CalComponentVType type)
-{
-	CalComponentPrivate *priv;
-	icalcomponent *icalcomp;
-	icalcomponent_kind kind;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-
-	free_icalcomponent (comp);
-
-	if (type == CAL_COMPONENT_NO_TYPE)
-		return;
-
-	/* Figure out the kind and create the icalcomponent */
-
-	switch (type) {
-	case CAL_COMPONENT_EVENT:
-		kind = ICAL_VEVENT_COMPONENT;
-		break;
-
-	case CAL_COMPONENT_TODO:
-		kind = ICAL_VTODO_COMPONENT;
-		break;
-
-	case CAL_COMPONENT_JOURNAL:
-		kind = ICAL_VJOURNAL_COMPONENT;
-		break;
-
-	case CAL_COMPONENT_FREEBUSY:
-		kind = ICAL_VFREEBUSY_COMPONENT;
-		break;
-
-	case CAL_COMPONENT_TIMEZONE:
-		kind = ICAL_VTIMEZONE_COMPONENT;
-		break;
-
-	default:
-		g_assert_not_reached ();
-		kind = ICAL_NO_COMPONENT;
-	}
-
-	icalcomp = icalcomponent_new (kind);
-	if (!icalcomp) {
-		g_message ("cal_component_set_new_vtype(): Could not create the icalcomponent!");
-		return;
-	}
-
-	/* Scan the component to build our mapping table */
-
-	priv->icalcomp = icalcomp;
-	scan_icalcomponent (comp);
-
-	/* Add missing stuff */
-
-	ensure_mandatory_properties (comp);
-}
-
-/**
- * cal_component_set_icalcomponent:
- * @comp: A calendar component object.
- * @icalcomp: An #icalcomponent.
- *
- * Sets the contents of a calendar component object from an #icalcomponent
- * structure.  If the @comp already had an #icalcomponent set into it, it will
- * will be freed automatically if the #icalcomponent does not have a parent
- * component itself.
- *
- * Supported component types are VEVENT, VTODO, VJOURNAL, VFREEBUSY, and VTIMEZONE.
- *
- * Return value: TRUE on success, FALSE if @icalcomp is an unsupported component
- * type.
- **/
-gboolean
-cal_component_set_icalcomponent (CalComponent *comp, icalcomponent *icalcomp)
-{
-	CalComponentPrivate *priv;
-	icalcomponent_kind kind;
-
-	g_return_val_if_fail (comp != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), FALSE);
-
-	priv = comp->priv;
-
-	if (priv->icalcomp == icalcomp)
-		return TRUE;
-
-	free_icalcomponent (comp);
-
-	if (!icalcomp) {
-		priv->icalcomp = NULL;
-		return TRUE;
-	}
-
-	kind = icalcomponent_isa (icalcomp);
-
-	if (!(kind == ICAL_VEVENT_COMPONENT
-	      || kind == ICAL_VTODO_COMPONENT
-	      || kind == ICAL_VJOURNAL_COMPONENT
-	      || kind == ICAL_VFREEBUSY_COMPONENT
-	      || kind == ICAL_VTIMEZONE_COMPONENT))
-		return FALSE;
-
-	priv->icalcomp = icalcomp;
-
-	scan_icalcomponent (comp);
-	ensure_mandatory_properties (comp);
-
-	return TRUE;
-}
-
-/**
- * cal_component_get_icalcomponent:
- * @comp: A calendar component object.
- *
- * Queries the #icalcomponent structure that a calendar component object is
- * wrapping.
- *
- * Return value: An #icalcomponent structure, or NULL if the @comp has no
- * #icalcomponent set to it.
- **/
-icalcomponent *
-cal_component_get_icalcomponent (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	g_return_val_if_fail (comp != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), NULL);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->need_sequence_inc == FALSE, NULL);
-
-	return priv->icalcomp;
-}
-
-/**
- * cal_component_get_vtype:
- * @comp: A calendar component object.
- *
- * Queries the type of a calendar component object.
- *
- * Return value: The type of the component, as defined by RFC 2445.
- **/
-CalComponentVType
-cal_component_get_vtype (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-	icalcomponent_kind kind;
-
-	g_return_val_if_fail (comp != NULL, CAL_COMPONENT_NO_TYPE);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), CAL_COMPONENT_NO_TYPE);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, CAL_COMPONENT_NO_TYPE);
-
-	kind = icalcomponent_isa (priv->icalcomp);
-	switch (kind) {
-	case ICAL_VEVENT_COMPONENT:
-		return CAL_COMPONENT_EVENT;
-
-	case ICAL_VTODO_COMPONENT:
-		return CAL_COMPONENT_TODO;
-
-	case ICAL_VJOURNAL_COMPONENT:
-		return CAL_COMPONENT_JOURNAL;
-
-	case ICAL_VFREEBUSY_COMPONENT:
-		return CAL_COMPONENT_FREEBUSY;
-
-	case ICAL_VTIMEZONE_COMPONENT:
-		return CAL_COMPONENT_TIMEZONE;
-
-	default:
-		/* We should have been loaded with a supported type! */
-		g_assert_not_reached ();
-		return CAL_COMPONENT_NO_TYPE;
-	}
-}
-
-/**
- * cal_component_get_as_string:
- * @comp: A calendar component.
- *
- * Gets the iCalendar string representation of a calendar component.  You should
- * call cal_component_commit_sequence() before this function to ensure that the
- * component's sequence number is consistent with the state of the object.
- *
- * Return value: String representation of the calendar component according to
- * RFC 2445.
- **/
-char *
-cal_component_get_as_string (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-	char *str, *buf;
-
-	g_return_val_if_fail (comp != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), NULL);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	/* Ensure that the user has committed the new SEQUENCE */
-	g_return_val_if_fail (priv->need_sequence_inc == FALSE, NULL);
-
-	/* We dup the string; libical owns that memory */
-
-	str = icalcomponent_as_ical_string (priv->icalcomp);
-
-	if (str)
-		buf = g_strdup (str);
-	else
-		buf = NULL;
-
-	return buf;
-}
-
-/**
- * cal_component_commit_sequence:
- * @comp:
- *
- * Increments the sequence number property in a calendar component object if it
- * needs it.  This needs to be done when any of a number of properties listed in
- * RFC 2445 change values, such as the start and end dates of a component.
- *
- * This function must be called before calling cal_component_get_as_string() to
- * ensure that the component is fully consistent.
- **/
-void
-cal_component_commit_sequence (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!priv->need_sequence_inc)
-		return;
-
-	if (priv->sequence) {
-		int seq;
-
-		seq = icalproperty_get_sequence (priv->sequence);
-		icalproperty_set_sequence (priv->sequence, seq + 1);
-	} else {
-		/* The component had no SEQUENCE property, so assume that the
-		 * default would have been zero.  Since it needed incrementing
-		 * anyways, we use a value of 1 here.
-		 */
-		priv->sequence = icalproperty_new_sequence (1);
-		icalcomponent_add_property (priv->icalcomp, priv->sequence);
-	}
-
-	priv->need_sequence_inc = FALSE;
-}
-
-/**
- * cal_component_get_uid:
- * @comp: A calendar component object.
- * @uid: Return value for the UID string.
- *
- * Queries the unique identifier of a calendar component object.
- **/
-void
-cal_component_get_uid (CalComponent *comp, const char **uid)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (uid != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	/* This MUST exist, since we ensured that it did */
-	g_assert (priv->uid != NULL);
-
-	*uid = icalproperty_get_uid (priv->uid);
-}
-
-/**
- * cal_component_set_uid:
- * @comp: A calendar component object.
- * @uid: Unique identifier.
- *
- * Sets the unique identifier string of a calendar component object.
- **/
-void
-cal_component_set_uid (CalComponent *comp, const char *uid)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (uid != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	/* This MUST exist, since we ensured that it did */
-	g_assert (priv->uid != NULL);
-
-	icalproperty_set_uid (priv->uid, (char *) uid);
-}
-
-/**
- * cal_component_get_categories:
- * @comp: A calendar component object.
- * @categories:
- *
- *
- **/
-void
-cal_component_get_categories (CalComponent *comp, const char **categories)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (categories != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (priv->categories)
-		*categories = icalproperty_get_categories (priv->categories);
-	else
-		*categories = NULL;
-}
-
-/**
- * cal_component_set_categories:
- * @comp: A calendar component object.
- * @categories:
- *
- *
- **/
-void
-cal_component_set_categories (CalComponent *comp, const char *categories)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!categories || !(*categories)) {
-		if (priv->categories) {
-			icalcomponent_remove_property (priv->icalcomp, priv->categories);
-			icalproperty_free (priv->categories);
-			priv->url = NULL;
-		}
-
-		return;
-	}
-
-	if (priv->categories)
-		icalproperty_set_categories (priv->categories, (char *) categories);
-	else {
-		priv->categories = icalproperty_new_categories ((char *) categories);
-		icalcomponent_add_property (priv->icalcomp, priv->categories);
-	}
-}
-
-
-/**
- * cal_component_get_categories_list:
- * @comp: A calendar component object.
- * @categ_list: Return value for the list of strings, where each string is a
- * category.  This should be freed using cal_component_free_categories_list().
- *
- * Queries the list of categories of a calendar component object.  Each element
- * in the returned categ_list is a string with the corresponding category.
- **/
-void
-cal_component_get_categories_list (CalComponent *comp, GSList **categ_list)
-{
-	CalComponentPrivate *priv;
-	const char *categories;
-	const char *p;
-	const char *cat_start;
-	char *str;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (categ_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!priv->categories) {
-		*categ_list = NULL;
-		return;
-	}
-
-	categories = icalproperty_get_categories (priv->categories);
-	g_assert (categories != NULL);
-
-	cat_start = categories;
-	*categ_list = NULL;
-
-	for (p = categories; *p; p++)
-		if (*p == ',') {
-			str = g_strndup (cat_start, p - cat_start);
-			*categ_list = g_slist_prepend (*categ_list, str);
-
-			cat_start = p + 1;
-		}
-
-	str = g_strndup (cat_start, p - cat_start);
-	*categ_list = g_slist_prepend (*categ_list, str);
-
-	*categ_list = g_slist_reverse (*categ_list);
-}
-
-/* Creates a comma-delimited string of categories */
-static char *
-stringify_categories (GSList *categ_list)
-{
-	GString *s;
-	GSList *l;
-	char *str;
-
-	s = g_string_new (NULL);
-
-	for (l = categ_list; l; l = l->next) {
-		g_string_append (s, l->data);
-
-		if (l->next != NULL)
-			g_string_append (s, ",");
-	}
-
-	str = s->str;
-	g_string_free (s, FALSE);
-
-	return str;
-}
-
-/**
- * cal_component_set_categories_list:
- * @comp: A calendar component object.
- * @categ_list: List of strings, one for each category.
- *
- * Sets the list of categories of a calendar component object.
- **/
-void
-cal_component_set_categories_list (CalComponent *comp, GSList *categ_list)
-{
-	CalComponentPrivate *priv;
-	char *categories_str;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!categ_list) {
-		if (priv->categories) {
-			icalcomponent_remove_property (priv->icalcomp, priv->categories);
-			icalproperty_free (priv->categories);
-		}
-
-		return;
-	}
-
-	/* Create a single string of categories */
-	categories_str = stringify_categories (categ_list);
-
-	/* Set the categories */
-	priv->categories = icalproperty_new_categories (categories_str);
-	g_free (categories_str);
-
-	icalcomponent_add_property (priv->icalcomp, priv->categories);
-}
-
-/**
- * cal_component_get_classification:
- * @comp: A calendar component object.
- * @classif: Return value for the classification.
- *
- * Queries the classification of a calendar component object.  If the
- * classification property is not set on this component, this function returns
- * #CAL_COMPONENT_CLASS_NONE.
- **/
-void
-cal_component_get_classification (CalComponent *comp, CalComponentClassification *classif)
-{
-	CalComponentPrivate *priv;
-	const char *class;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (classif != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!priv->classification) {
-		*classif = CAL_COMPONENT_CLASS_NONE;
-		return;
-	}
-
-	class = icalproperty_get_class (priv->classification);
-
-	if (strcasecmp (class, "PUBLIC") == 0)
-		*classif = CAL_COMPONENT_CLASS_PUBLIC;
-	else if (strcasecmp (class, "PRIVATE") == 0)
-		*classif = CAL_COMPONENT_CLASS_PRIVATE;
-	else if (strcasecmp (class, "CONFIDENTIAL") == 0)
-		*classif = CAL_COMPONENT_CLASS_CONFIDENTIAL;
-	else
-		*classif = CAL_COMPONENT_CLASS_UNKNOWN;
-}
-
-/**
- * cal_component_set_classification:
- * @comp: A calendar component object.
- * @classif: Classification to use.
- *
- * Sets the classification property of a calendar component object.  To unset
- * the property, specify CAL_COMPONENT_CLASS_NONE for @classif.
- **/
-void
-cal_component_set_classification (CalComponent *comp, CalComponentClassification classif)
-{
-	CalComponentPrivate *priv;
-	char *str;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (classif != CAL_COMPONENT_CLASS_UNKNOWN);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (classif == CAL_COMPONENT_CLASS_NONE) {
-		if (priv->classification) {
-			icalcomponent_remove_property (priv->icalcomp, priv->classification);
-			icalproperty_free (priv->classification);
-			priv->classification = NULL;
-		}
-
-		return;
-	}
-
-	switch (classif) {
-	case CAL_COMPONENT_CLASS_PUBLIC:
-		str = "PUBLIC";
-		break;
-
-	case CAL_COMPONENT_CLASS_PRIVATE:
-		str = "PRIVATE";
-		break;
-
-	case CAL_COMPONENT_CLASS_CONFIDENTIAL:
-		str = "CONFIDENTIAL";
-		break;
-
-	default:
-		g_assert_not_reached ();
-		str = NULL;
-	}
-
-	if (priv->classification)
-		icalproperty_set_class (priv->classification, str);
-	else {
-		priv->classification = icalproperty_new_class (str);
-		icalcomponent_add_property (priv->icalcomp, priv->classification);
-	}
-}
-
-/* Gets a text list value */
-static void
-get_text_list (GSList *text_list,
-	       const char *(* get_prop_func) (icalproperty *prop),
-	       GSList **tl)
-{
-	GSList *l;
-
-	*tl = NULL;
-
-	if (!text_list)
-		return;
-
-	for (l = text_list; l; l = l->next) {
-		struct text *text;
-		CalComponentText *t;
-
-		text = l->data;
-		g_assert (text->prop != NULL);
-
-		t = g_new (CalComponentText, 1);
-		t->value = (* get_prop_func) (text->prop);
-
-		if (text->altrep_param)
-			t->altrep = icalparameter_get_altrep (text->altrep_param);
-		else
-			t->altrep = NULL;
-
-		*tl = g_slist_prepend (*tl, t);
-	}
-
-	*tl = g_slist_reverse (*tl);
-}
-
-/* Sets a text list value */
-static void
-set_text_list (CalComponent *comp,
-	       icalproperty *(* new_prop_func) (const char *value),
-	       GSList **text_list,
-	       GSList *tl)
-{
-	CalComponentPrivate *priv;
-	GSList *l;
-
-	priv = comp->priv;
-
-	/* Remove old texts */
-
-	for (l = *text_list; l; l = l->next) {
-		struct text *text;
-
-		text = l->data;
-		g_assert (text->prop != NULL);
-
-		icalcomponent_remove_property (priv->icalcomp, text->prop);
-		icalproperty_free (text->prop);
-		g_free (text);
-	}
-
-	g_slist_free (*text_list);
-	*text_list = NULL;
-
-	/* Add in new texts */
-
-	for (l = tl; l; l = l->next) {
-		CalComponentText *t;
-		struct text *text;
-
-		t = l->data;
-		g_return_if_fail (t->value != NULL);
-
-		text = g_new (struct text, 1);
-
-		text->prop = (* new_prop_func) ((char *) t->value);
-		icalcomponent_add_property (priv->icalcomp, text->prop);
-
-		if (t->altrep) {
-			text->altrep_param = icalparameter_new_altrep ((char *) t->altrep);
-			icalproperty_add_parameter (text->prop, text->altrep_param);
-		} else
-			text->altrep_param = NULL;
-
-		*text_list = g_slist_prepend (*text_list, text);
-	}
-
-	*text_list = g_slist_reverse (*text_list);
-}
-
-/**
- * cal_component_get_comment_list:
- * @comp: A calendar component object.
- * @text_list: Return value for the comment properties and their parameters, as
- * a list of #CalComponentText structures.  This should be freed using the
- * cal_component_free_text_list() function.
- *
- * Queries the comment of a calendar component object.  The comment property can
- * appear several times inside a calendar component, and so a list of
- * #CalComponentText is returned.
- **/
-void
-cal_component_get_comment_list (CalComponent *comp, GSList **text_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (text_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_text_list (priv->comment_list, icalproperty_get_comment, text_list);
-}
-
-/**
- * cal_component_set_comment_list:
- * @comp: A calendar component object.
- * @text_list: List of #CalComponentText structures.
- *
- * Sets the comment of a calendar component object.  The comment property can
- * appear several times inside a calendar component, and so a list of
- * #CalComponentText structures is used.
- **/
-void
-cal_component_set_comment_list (CalComponent *comp, GSList *text_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_text_list (comp, icalproperty_new_comment, &priv->comment_list, text_list);
-}
-
-/* Gets a struct icaltimetype value */
-static void
-get_icaltimetype (icalproperty *prop,
-		  struct icaltimetype (* get_prop_func) (icalproperty *prop),
-		  struct icaltimetype **t)
-{
-	if (!prop) {
-		*t = NULL;
-		return;
-	}
-
-	*t = g_new (struct icaltimetype, 1);
-	**t = (* get_prop_func) (prop);
-}
-
-/* Sets a struct icaltimetype value */
-static void
-set_icaltimetype (CalComponent *comp, icalproperty **prop,
-		  icalproperty *(* prop_new_func) (struct icaltimetype v),
-		  void (* prop_set_func) (icalproperty *prop, struct icaltimetype v),
-		  struct icaltimetype *t)
-{
-	CalComponentPrivate *priv;
-
-	priv = comp->priv;
-
-	if (!t) {
-		if (*prop) {
-			icalcomponent_remove_property (priv->icalcomp, *prop);
-			icalproperty_free (*prop);
-			*prop = NULL;
-		}
-
-		return;
-	}
-
-	if (*prop)
-		(* prop_set_func) (*prop, *t);
-	else {
-		*prop = (* prop_new_func) (*t);
-		icalcomponent_add_property (priv->icalcomp, *prop);
-	}
-}
-
-/**
- * cal_component_get_completed:
- * @comp: A calendar component object.
- * @t: Return value for the completion date.  This should be freed using the
- * cal_component_free_icaltimetype() function.
- *
- * Queries the date at which a calendar compoment object was completed.
- **/
-void
-cal_component_get_completed (CalComponent *comp, struct icaltimetype **t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (t != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_icaltimetype (priv->completed, icalproperty_get_completed, t);
-}
-
-/**
- * cal_component_set_completed:
- * @comp: A calendar component object.
- * @t: Value for the completion date.
- *
- * Sets the date at which a calendar component object was completed.
- **/
-void
-cal_component_set_completed (CalComponent *comp, struct icaltimetype *t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_icaltimetype (comp, &priv->completed,
-			  icalproperty_new_completed,
-			  icalproperty_set_completed,
-			  t);
-}
-
-
-/**
- * cal_component_get_created:
- * @comp: A calendar component object.
- * @t: Return value for the creation date.  This should be freed using the
- * cal_component_free_icaltimetype() function.
- *
- * Queries the date in which a calendar component object was created in the
- * calendar store.
- **/
-void
-cal_component_get_created (CalComponent *comp, struct icaltimetype **t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (t != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_icaltimetype (priv->created, icalproperty_get_created, t);
-}
-
-/**
- * cal_component_set_created:
- * @comp: A calendar component object.
- * @t: Value for the creation date.
- *
- * Sets the date in which a calendar component object is created in the calendar
- * store.  This should only be used inside a calendar store application, i.e.
- * not by calendar user agents.
- **/
-void
-cal_component_set_created (CalComponent *comp, struct icaltimetype *t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_icaltimetype (comp, &priv->created,
-			  icalproperty_new_created,
-			  icalproperty_set_created,
-			  t);
-}
-
-/**
- * cal_component_get_description_list:
- * @comp: A calendar component object.
- * @text_list: Return value for the description properties and their parameters,
- * as a list of #CalComponentText structures.  This should be freed using the
- * cal_component_free_text_list() function.
- *
- * Queries the description of a calendar component object.  Journal components
- * may have more than one description, and as such this function returns a list
- * of #CalComponentText structures.  All other types of components can have at
- * most one description.
- **/
-void
-cal_component_get_description_list (CalComponent *comp, GSList **text_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (text_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_text_list (priv->description_list, icalproperty_get_description, text_list);
-}
-
-/**
- * cal_component_set_description_list:
- * @comp: A calendar component object.
- * @text_list: List of #CalComponentSummary structures.
- *
- * Sets the description of a calendar component object.  Journal components may
- * have more than one description, and as such this function takes in a list of
- * #CalComponentDescription structures.  All other types of components can have
- * at most one description.
- **/
-void
-cal_component_set_description_list (CalComponent *comp, GSList *text_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_text_list (comp, icalproperty_new_description, &priv->description_list, text_list);
-}
-
-/* Gets a date/time and timezone pair */
-static void
-get_datetime (struct datetime *datetime,
-	      struct icaltimetype (* get_prop_func) (icalproperty *prop),
-	      CalComponentDateTime *dt)
-{
-	if (datetime->prop) {
-		dt->value = g_new (struct icaltimetype, 1);
-		*dt->value = (* get_prop_func) (datetime->prop);
-	} else
-		dt->value = NULL;
-
-	/* If the icaltimetype has is_utc set, we set "UTC" as the TZID.
-	   This makes the timezone code simpler. */
-	if (datetime->tzid_param)
-		dt->tzid = g_strdup (icalparameter_get_tzid (datetime->tzid_param));
-	else if (dt->value && dt->value->is_utc)
-		dt->tzid = g_strdup ("UTC");
-	else
-		dt->tzid = NULL;
-}
-
-/* Sets a date/time and timezone pair */
-static void
-set_datetime (CalComponent *comp, struct datetime *datetime,
-	      icalproperty *(* prop_new_func) (struct icaltimetype v),
-	      void (* prop_set_func) (icalproperty * prop, struct icaltimetype v),
-	      CalComponentDateTime *dt)
-{
-	CalComponentPrivate *priv;
-
-	priv = comp->priv;
-
-	if (!dt) {
-		if (datetime->prop) {
-			icalcomponent_remove_property (priv->icalcomp, datetime->prop);
-			icalproperty_free (datetime->prop);
-
-			datetime->prop = NULL;
-			datetime->tzid_param = NULL;
-		}
-
-		return;
-	}
-
-	g_return_if_fail (dt->value != NULL);
-
-	/* If the TZID is set to "UTC", we set the is_utc flag. */
-	if (dt->tzid && !strcmp (dt->tzid, "UTC"))
-		dt->value->is_utc = 1;
-
-	if (datetime->prop)
-		(* prop_set_func) (datetime->prop, *dt->value);
-	else {
-		datetime->prop = (* prop_new_func) (*dt->value);
-		icalcomponent_add_property (priv->icalcomp, datetime->prop);
-	}
-
-	/* If the TZID is set to "UTC", we don't want to save the TZID. */
-	if (dt->tzid && strcmp (dt->tzid, "UTC")) {
-		g_assert (datetime->prop != NULL);
-
-		if (datetime->tzid_param)
-			icalparameter_set_tzid (datetime->tzid_param, (char *) dt->tzid);
-		else {
-			datetime->tzid_param = icalparameter_new_tzid ((char *) dt->tzid);
-			icalproperty_add_parameter (datetime->prop, datetime->tzid_param);
-		}
-	} else if (datetime->tzid_param) {
-		icalproperty_remove_parameter (datetime->prop, ICAL_TZID_PARAMETER);
-		icalparameter_free (datetime->tzid_param);
-		datetime->tzid_param = NULL;
-	}
-}
-
-/**
- * cal_component_get_dtend:
- * @comp: A calendar component object.
- * @dt: Return value for the date/time end.  This should be freed with the
- * cal_component_free_datetime() function.
- *
- * Queries the date/time end of a calendar component object.
- **/
-void
-cal_component_get_dtend (CalComponent *comp, CalComponentDateTime *dt)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (dt != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_datetime (&priv->dtend, icalproperty_get_dtend, dt);
-}
-
-/**
- * cal_component_set_dtend:
- * @comp: A calendar component object.
- * @dt: End date/time.
- *
- * Sets the date/time end property of a calendar component object.
- **/
-void
-cal_component_set_dtend (CalComponent *comp, CalComponentDateTime *dt)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_datetime (comp, &priv->dtend,
-		      icalproperty_new_dtend,
-		      icalproperty_set_dtend,
-		      dt);
-
-	priv->need_sequence_inc = TRUE;
-}
-
-/**
- * cal_component_get_dtstamp:
- * @comp: A calendar component object.
- * @t: A value for the date/timestamp.
- *
- * Queries the date/timestamp property of a calendar component object, which is
- * the last time at which the object was modified by a calendar user agent.
- **/
-void
-cal_component_get_dtstamp (CalComponent *comp, struct icaltimetype *t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (t != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	/* This MUST exist, since we ensured that it did */
-	g_assert (priv->dtstamp != NULL);
-
-	*t = icalproperty_get_dtstamp (priv->dtstamp);
-}
-
-/**
- * cal_component_set_dtstamp:
- * @comp: A calendar component object.
- * @t: Date/timestamp value.
- *
- * Sets the date/timestamp of a calendar component object.  This should be
- * called whenever a calendar user agent makes a change to a component's
- * properties.
- **/
-void
-cal_component_set_dtstamp (CalComponent *comp, struct icaltimetype *t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (t != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	/* This MUST exist, since we ensured that it did */
-	g_assert (priv->dtstamp != NULL);
-
-	icalproperty_set_dtstamp (priv->dtstamp, *t);
-}
-
-/**
- * cal_component_get_dtstart:
- * @comp: A calendar component object.
- * @dt: Return value for the date/time start.  This should be freed with the
- * cal_component_free_datetime() function.
- *
- * Queries the date/time start of a calendar component object.
- **/
-void
-cal_component_get_dtstart (CalComponent *comp, CalComponentDateTime *dt)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (dt != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_datetime (&priv->dtstart, icalproperty_get_dtstart, dt);
-}
-
-/**
- * cal_component_set_dtstart:
- * @comp: A calendar component object.
- * @dt: Start date/time.
- *
- * Sets the date/time start property of a calendar component object.
- **/
-void
-cal_component_set_dtstart (CalComponent *comp, CalComponentDateTime *dt)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_datetime (comp, &priv->dtstart,
-		      icalproperty_new_dtstart,
-		      icalproperty_set_dtstart,
-		      dt);
-
-	priv->need_sequence_inc = TRUE;
-}
-
-/**
- * cal_component_get_due:
- * @comp: A calendar component object.
- * @dt: Return value for the due date/time.  This should be freed with the
- * cal_component_free_datetime() function.
- *
- * Queries the due date/time of a calendar component object.
- **/
-void
-cal_component_get_due (CalComponent *comp, CalComponentDateTime *dt)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (dt != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_datetime (&priv->due, icalproperty_get_due, dt);
-}
-
-/**
- * cal_component_set_due:
- * @comp: A calendar component object.
- * @dt: End date/time.
- *
- * Sets the due date/time property of a calendar component object.
- **/
-void
-cal_component_set_due (CalComponent *comp, CalComponentDateTime *dt)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_datetime (comp, &priv->due,
-		      icalproperty_new_due,
-		      icalproperty_set_due,
-		      dt);
-
-	priv->need_sequence_inc = TRUE;
-}
-
-/* Builds a list of CalComponentPeriod structures based on a list of icalproperties */
-static void
-get_period_list (GSList *period_list,
-		 struct icaldatetimeperiodtype (* get_prop_func) (icalproperty *prop),
-		 GSList **list)
-{
-	GSList *l;
-
-	*list = NULL;
-
-	if (!period_list)
-		return;
-
-	for (l = period_list; l; l = l->next) {
-		struct period *period;
-		CalComponentPeriod *p;
-		struct icaldatetimeperiodtype ip;
-
-		period = l->data;
-		g_assert (period->prop != NULL);
-
-		p = g_new (CalComponentPeriod, 1);
-
-		/* Get value parameter */
-
-		if (period->value_param) {
-			icalparameter_value value_type;
-
-			value_type = icalparameter_get_value (period->value_param);
-
-			if (value_type == ICAL_VALUE_DATE || value_type == ICAL_VALUE_DATETIME)
-				p->type = CAL_COMPONENT_PERIOD_DATETIME;
-			else if (value_type == ICAL_VALUE_DURATION)
-				p->type = CAL_COMPONENT_PERIOD_DURATION;
-			else {
-				g_message ("get_period_list(): Unknown value for period %d; "
-					   "using DATETIME", value_type);
-				p->type = CAL_COMPONENT_PERIOD_DATETIME;
-			}
-		} else
-			p->type = CAL_COMPONENT_PERIOD_DATETIME;
-
-		/* Get start and end/duration */
-
-		ip = (* get_prop_func) (period->prop);
-
-		p->start = ip.period.start;
-
-		if (p->type == CAL_COMPONENT_PERIOD_DATETIME)
-			p->u.end = ip.period.end;
-		else if (p->type == CAL_COMPONENT_PERIOD_DURATION)
-			p->u.duration = ip.period.duration;
-		else
-			g_assert_not_reached ();
-
-		/* Put in list */
-
-		*list = g_slist_prepend (*list, p);
-	}
-
-	*list = g_slist_reverse (*list);
-}
-
-/* Sets a period list value */
-static void
-set_period_list (CalComponent *comp,
-		 icalproperty *(* new_prop_func) (struct icaldatetimeperiodtype period),
-		 GSList **period_list,
-		 GSList *pl)
-{
-	CalComponentPrivate *priv;
-	GSList *l;
-
-	priv = comp->priv;
-
-	/* Remove old periods */
-
-	for (l = *period_list; l; l = l->next) {
-		struct period *period;
-
-		period = l->data;
-		g_assert (period->prop != NULL);
-
-		icalcomponent_remove_property (priv->icalcomp, period->prop);
-		icalproperty_free (period->prop);
-		g_free (period);
-	}
-
-	g_slist_free (*period_list);
-	*period_list = NULL;
-
-	/* Add in new periods */
-
-	for (l = pl; l; l = l->next) {
-		CalComponentPeriod *p;
-		struct period *period;
-		struct icaldatetimeperiodtype ip;
-		icalparameter_value value_type;
-
-		g_assert (l->data != NULL);
-		p = l->data;
-
-		/* Create libical value */
-
-		ip.period.start = p->start;
-
-		if (p->type == CAL_COMPONENT_PERIOD_DATETIME) {
-			value_type = ICAL_VALUE_DATETIME;
-			ip.period.end = p->u.end;
-		} else if (p->type == CAL_COMPONENT_PERIOD_DURATION) {
-			value_type = ICAL_VALUE_DURATION;
-			ip.period.duration = p->u.duration;
-		} else {
-			g_assert_not_reached ();
-			return;
-		}
-
-		/* Create property */
-
-		period = g_new (struct period, 1);
-
-		period->prop = (* new_prop_func) (ip);
-		period->value_param = icalparameter_new_value (value_type);
-		icalproperty_add_parameter (period->prop, period->value_param);
-
-		/* Add to list */
-
-		*period_list = g_slist_prepend (*period_list, period);
-	}
-
-	*period_list = g_slist_reverse (*period_list);
-}
-
-/**
- * cal_component_get_exdate_list:
- * @comp: A calendar component object.
- * @exdate_list: Return value for the list of exception dates, as a list of
- * #CalComponentDateTime structures.  This should be freed using the
- * cal_component_free_exdate_list() function.
- *
- * Queries the list of exception date properties in a calendar component object.
- **/
-void
-cal_component_get_exdate_list (CalComponent *comp, GSList **exdate_list)
-{
-	CalComponentPrivate *priv;
-	GSList *l;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (exdate_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	*exdate_list = NULL;
-
-	for (l = priv->exdate_list; l; l = l->next) {
-		struct datetime *dt;
-		CalComponentDateTime *cdt;
-
-		dt = l->data;
-
-		cdt = g_new (CalComponentDateTime, 1);
-		cdt->value = g_new (struct icaltimetype, 1);
-
-		*cdt->value = icalproperty_get_exdate (dt->prop);
-
-		if (dt->tzid_param)
-			cdt->tzid = g_strdup (icalparameter_get_tzid (dt->tzid_param));
-		else
-			cdt->tzid = NULL;
-
-		*exdate_list = g_slist_prepend (*exdate_list, cdt);
-	}
-
-	*exdate_list = g_slist_reverse (*exdate_list);
-}
-
-/**
- * cal_component_set_exdate_list:
- * @comp: A calendar component object.
- * @exdate_list: List of #CalComponentDateTime structures.
- *
- * Sets the list of exception dates in a calendar component object.
- **/
-void
-cal_component_set_exdate_list (CalComponent *comp, GSList *exdate_list)
-{
-	CalComponentPrivate *priv;
-	GSList *l;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	/* Remove old exception dates */
-
-	for (l = priv->exdate_list; l; l = l->next) {
-		struct datetime *dt;
-
-		dt = l->data;
-
-		/* Removing the DATE or DATE-TIME property will also remove
-		   any TZID parameter. */
-		icalcomponent_remove_property (priv->icalcomp, dt->prop);
-		icalproperty_free (dt->prop);
-		g_free (dt);
-	}
-
-	g_slist_free (priv->exdate_list);
-	priv->exdate_list = NULL;
-
-	/* Add in new exception dates */
-
-	for (l = exdate_list; l; l = l->next) {
-		CalComponentDateTime *cdt;
-		struct datetime *dt;
-
-		g_assert (l->data != NULL);
-		cdt = l->data;
-
-		g_assert (cdt->value != NULL);
-
-		dt = g_new (struct datetime, 1);
-		dt->prop = icalproperty_new_exdate (*cdt->value);
-
-		if (cdt->tzid) {
-			dt->tzid_param = icalparameter_new_tzid ((char *) cdt->tzid);
-			icalproperty_add_parameter (dt->prop, dt->tzid_param);
-		} else
-			dt->tzid_param = NULL;
-
-		icalcomponent_add_property (priv->icalcomp, dt->prop);
-		priv->exdate_list = g_slist_prepend (priv->exdate_list, dt);
-	}
-
-	priv->exdate_list = g_slist_reverse (priv->exdate_list);
-
-	priv->need_sequence_inc = TRUE;
-}
-
-/**
- * cal_component_has_exdates:
- * @comp: A calendar component object.
- *
- * Queries whether a calendar component object has any exception dates defined
- * for it.
- *
- * Return value: TRUE if the component has exception dates, FALSE otherwise.
- **/
-gboolean
-cal_component_has_exdates (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	g_return_val_if_fail (comp != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), FALSE);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	return (priv->exdate_list != NULL);
-}
-
-/* Gets a list of recurrence rules */
-static void
-get_recur_list (GSList *recur_list,
-		struct icalrecurrencetype (* get_prop_func) (icalproperty *prop),
-		GSList **list)
-{
-	GSList *l;
-
-	*list = NULL;
-
-	for (l = recur_list; l; l = l->next) {
-		icalproperty *prop;
-		struct icalrecurrencetype *r;
-
-		prop = l->data;
-
-		r = g_new (struct icalrecurrencetype, 1);
-		*r = (* get_prop_func) (prop);
-
-		*list = g_slist_prepend (*list, r);
-	}
-
-	*list = g_slist_reverse (*list);
-}
-
-/* Sets a list of recurrence rules */
-static void
-set_recur_list (CalComponent *comp,
-		icalproperty *(* new_prop_func) (struct icalrecurrencetype recur),
-		GSList **recur_list,
-		GSList *rl)
-{
-	CalComponentPrivate *priv;
-	GSList *l;
-
-	priv = comp->priv;
-
-	/* Remove old recurrences */
-
-	for (l = *recur_list; l; l = l->next) {
-		icalproperty *prop;
-
-		prop = l->data;
-		icalcomponent_remove_property (priv->icalcomp, prop);
-		icalproperty_free (prop);
-	}
-
-	g_slist_free (*recur_list);
-	*recur_list = NULL;
-
-	/* Add in new recurrences */
-
-	for (l = rl; l; l = l->next) {
-		icalproperty *prop;
-		struct icalrecurrencetype *recur;
-
-		g_assert (l->data != NULL);
-		recur = l->data;
-
-		prop = (* new_prop_func) (*recur);
-		icalcomponent_add_property (priv->icalcomp, prop);
-
-		*recur_list = g_slist_prepend (*recur_list, prop);
-	}
-
-	*recur_list = g_slist_reverse (*recur_list);
-}
-
-/**
- * cal_component_get_exrule_list:
- * @comp: A calendar component object.
- * @recur_list: List of exception rules as struct #icalrecurrencetype
- * structures.  This should be freed using the cal_component_free_recur_list()
- * function.
- *
- * Queries the list of exception rule properties of a calendar component
- * object.
- **/
-void
-cal_component_get_exrule_list (CalComponent *comp, GSList **recur_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (recur_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_recur_list (priv->exrule_list, icalproperty_get_exrule, recur_list);
-}
-
-/**
- * cal_component_get_exrule_property_list:
- * @comp: A calendar component object.
- * @recur_list: Returns a list of exception rule properties.
- *
- * Queries the list of exception rule properties of a calendar component object.
- **/
-void
-cal_component_get_exrule_property_list (CalComponent *comp, GSList **recur_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (recur_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	*recur_list = priv->exrule_list;
-}
-
-/**
- * cal_component_set_exrule_list:
- * @comp: A calendar component object.
- * @recur_list: List of struct #icalrecurrencetype structures.
- *
- * Sets the list of exception rules in a calendar component object.
- **/
-void
-cal_component_set_exrule_list (CalComponent *comp, GSList *recur_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_recur_list (comp, icalproperty_new_exrule, &priv->exrule_list, recur_list);
-
-	priv->need_sequence_inc = TRUE;
-}
-
-/**
- * cal_component_has_exrules:
- * @comp: A calendar component object.
- *
- * Queries whether a calendar component object has any exception rules defined
- * for it.
- *
- * Return value: TRUE if the component has exception rules, FALSE otherwise.
- **/
-gboolean
-cal_component_has_exrules (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	g_return_val_if_fail (comp != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), FALSE);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	return (priv->exrule_list != NULL);
-}
-
-/**
- * cal_component_has_exceptions:
- * @comp: A calendar component object
- *
- * Queries whether a calendar component object has any exception dates
- * or exception rules.
- *
- * Return value: TRUE if the component has exceptions, FALSE otherwise.
- **/
-gboolean
-cal_component_has_exceptions (CalComponent *comp)
-{
-	return cal_component_has_exdates (comp) || cal_component_has_exrules (comp);
-}
-
-/**
- * cal_component_get_geo:
- * @comp: A calendar component object.
- * @geo: Return value for the geographic position property.  This should be
- * freed using the cal_component_free_geo() function.
- *
- * Sets the geographic position property of a calendar component object.
- **/
-void
-cal_component_get_geo (CalComponent *comp, struct icalgeotype **geo)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (geo != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (priv->geo) {
-		*geo = g_new (struct icalgeotype, 1);
-		**geo = icalproperty_get_geo (priv->geo);
-	} else
-		*geo = NULL;
-}
-
-/**
- * cal_component_set_geo:
- * @comp: A calendar component object.
- * @geo: Value for the geographic position property.
- *
- * Sets the geographic position property on a calendar component object.
- **/
-void
-cal_component_set_geo (CalComponent *comp, struct icalgeotype *geo)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!geo) {
-		if (priv->geo) {
-			icalcomponent_remove_property (priv->icalcomp, priv->geo);
-			icalproperty_free (priv->geo);
-			priv->geo = NULL;
-		}
-
-		return;
-	}
-
-	if (priv->geo)
-		icalproperty_set_geo (priv->geo, *geo);
-	else {
-		priv->geo = icalproperty_new_geo (*geo);
-		icalcomponent_add_property (priv->icalcomp, priv->geo);
-	}
-}
-
-/**
- * cal_component_get_last_modified:
- * @comp: A calendar component object.
- * @t: Return value for the last modified time value.
- *
- * Queries the time at which a calendar component object was last modified in
- * the calendar store.
- **/
-void
-cal_component_get_last_modified (CalComponent *comp, struct icaltimetype **t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (t != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_icaltimetype (priv->last_modified, icalproperty_get_lastmodified, t);
-}
-
-/**
- * cal_component_set_last_modified:
- * @comp: A calendar component object.
- * @t: Value for the last time modified.
- *
- * Sets the time at which a calendar component object was last stored in the
- * calendar store.  This should not be called by plain calendar user agents.
- **/
-void
-cal_component_set_last_modified (CalComponent *comp, struct icaltimetype *t)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_icaltimetype (comp, &priv->last_modified,
-			  icalproperty_new_lastmodified,
-			  icalproperty_set_lastmodified,
-			  t);
-}
-
-/**
- * cal_component_get_organizer:
- * @comp:  A calendar component object
- * @organizer: A value for the organizer
- * 
- * Queries the organizer property of a calendar component object
- **/
-void
-cal_component_get_organizer (CalComponent *comp, CalComponentOrganizer *organizer)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (organizer != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (priv->organizer.prop)
-		organizer->value = icalproperty_get_organizer (priv->organizer.prop);
-	else
-		organizer->value = NULL;
-
-	if (priv->organizer.sentby_param)
-		organizer->sentby = icalparameter_get_sentby (priv->organizer.sentby_param);
-	else
-		organizer->sentby = NULL;
-
-	if (priv->organizer.cn_param)
-		organizer->cn = icalparameter_get_sentby (priv->organizer.cn_param);
-	else
-		organizer->cn = NULL;
-
-	if (priv->organizer.language_param)
-		organizer->language = icalparameter_get_sentby (priv->organizer.language_param);
-	else
-		organizer->language = NULL;
-
-}
-
-/**
- * cal_component_set_organizer:
- * @comp:  A calendar component object.
- * @organizer: Value for the organizer property
- * 
- * Sets the organizer of a calendar component object
- **/
-void
-cal_component_set_organizer (CalComponent *comp, CalComponentOrganizer *organizer)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!organizer) {
-		if (priv->organizer.prop) {
-			icalcomponent_remove_property (priv->icalcomp, priv->organizer.prop);
-			icalproperty_free (priv->organizer.prop);
-
-			priv->organizer.prop = NULL;
-			priv->organizer.sentby_param = NULL;
-			priv->organizer.cn_param = NULL;
-			priv->organizer.language_param = NULL;
-		}
-
-		return;
-	}
-
-	g_return_if_fail (organizer->value != NULL);
-
-	if (priv->organizer.prop)
-		icalproperty_set_organizer (priv->organizer.prop, (char *) organizer->value);
-	else {
-		priv->organizer.prop = icalproperty_new_organizer ((char *) organizer->value);
-		icalcomponent_add_property (priv->icalcomp, priv->organizer.prop);
-	}
-
-	if (organizer->sentby) {
-		g_assert (priv->organizer.prop != NULL);
-
-		if (priv->organizer.sentby_param)
-			icalparameter_set_sentby (priv->organizer.sentby_param,
-						  (char *) organizer->sentby);
-		else {
-			priv->organizer.sentby_param = icalparameter_new_sentby (
-				(char *) organizer->sentby);
-			icalproperty_add_parameter (priv->organizer.prop,
-						    priv->organizer.sentby_param);
-		}
-	} else if (priv->organizer.sentby_param) {
-		icalproperty_remove_parameter (priv->organizer.prop, ICAL_SENTBY_PARAMETER);
-		icalparameter_free (priv->organizer.sentby_param);
-		priv->organizer.sentby_param = NULL;
-	}
-
-	if (organizer->cn) {
-		g_assert (priv->organizer.prop != NULL);
-
-		if (priv->organizer.cn_param)
-			icalparameter_set_cn (priv->organizer.cn_param,
-						  (char *) organizer->cn);
-		else {
-			priv->organizer.cn_param = icalparameter_new_cn (
-				(char *) organizer->cn);
-			icalproperty_add_parameter (priv->organizer.prop,
-						    priv->organizer.cn_param);
-		}
-	} else if (priv->organizer.cn_param) {
-		icalproperty_remove_parameter (priv->organizer.prop, ICAL_CN_PARAMETER);
-		icalparameter_free (priv->organizer.cn_param);
-		priv->organizer.cn_param = NULL;
-	}
-
-	if (organizer->language) {
-		g_assert (priv->organizer.prop != NULL);
-
-		if (priv->organizer.language_param)
-			icalparameter_set_language (priv->organizer.language_param,
-						  (char *) organizer->language);
-		else {
-			priv->organizer.language_param = icalparameter_new_language (
-				(char *) organizer->language);
-			icalproperty_add_parameter (priv->organizer.prop,
-						    priv->organizer.language_param);
-		}
-	} else if (priv->organizer.language_param) {
-		icalproperty_remove_parameter (priv->organizer.prop, ICAL_LANGUAGE_PARAMETER);
-		icalparameter_free (priv->organizer.language_param);
-		priv->organizer.language_param = NULL;
-	}
-
-
-}
-		
-/**
- * cal_component_get_percent:
- * @comp: A calendar component object.
- * @percent: Return value for the percent-complete property.  This should be
- * freed using the cal_component_free_percent() function.
- *
- * Queries the percent-complete property of a calendar component object.
- **/
-void
-cal_component_get_percent (CalComponent *comp, int **percent)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (percent != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (priv->percent) {
-		*percent = g_new (int, 1);
-		**percent = icalproperty_get_percentcomplete (priv->percent);
-	} else
-		*percent = NULL;
-}
-
-/**
- * cal_component_set_percent:
- * @comp: A calendar component object.
- * @percent: Value for the percent-complete property.
- *
- * Sets the percent-complete property of a calendar component object.
- **/
-void
-cal_component_set_percent (CalComponent *comp, int *percent)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!percent) {
-		if (priv->percent) {
-			icalcomponent_remove_property (priv->icalcomp, priv->percent);
-			icalproperty_free (priv->percent);
-			priv->percent = NULL;
-		}
-
-		return;
-	}
-
-	g_return_if_fail (*percent >= 0 && *percent <= 100);
-
-	if (priv->percent)
-		icalproperty_set_percentcomplete (priv->percent, *percent);
-	else {
-		priv->percent = icalproperty_new_percentcomplete (*percent);
-		icalcomponent_add_property (priv->icalcomp, priv->percent);
-	}
-}
-
-/**
- * cal_component_get_priority:
- * @comp: A calendar component object.
- * @priority: Return value for the priority property.  This should be freed using
- * the cal_component_free_priority() function.
- *
- * Queries the priority property of a calendar component object.
- **/
-void
-cal_component_get_priority (CalComponent *comp, int **priority)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (priority != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (priv->priority) {
-		*priority = g_new (int, 1);
-		**priority = icalproperty_get_priority (priv->priority);
-	} else
-		*priority = NULL;
-}
-
-/**
- * cal_component_set_priority:
- * @comp: A calendar component object.
- * @priority: Value for the priority property.
- *
- * Sets the priority property of a calendar component object.
- **/
-void
-cal_component_set_priority (CalComponent *comp, int *priority)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!priority) {
-		if (priv->priority) {
-			icalcomponent_remove_property (priv->icalcomp, priv->priority);
-			icalproperty_free (priv->priority);
-			priv->priority = NULL;
-		}
-
-		return;
-	}
-
-	g_return_if_fail (*priority >= 0 && *priority <= 9);
-
-	if (priv->priority)
-		icalproperty_set_priority (priv->priority, *priority);
-	else {
-		priv->priority = icalproperty_new_priority (*priority);
-		icalcomponent_add_property (priv->icalcomp, priv->priority);
-	}
-}
-
-/**
- * cal_component_get_recurid:
- * @comp: A calendar component object.
- * @recur_id: Return value for the recurrence id property
- * 
- * Queries the recurrence id property of a calendar component object
- **/
-void 
-cal_component_get_recurid (CalComponent *comp, CalComponentRange **recur_id)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (recur_id != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_datetime (&priv->recur_id.recur_time, 
-		      icalproperty_get_recurrenceid, 
-		      (*recur_id)->datetime);
-}
-
-/**
- * cal_component_set_recurid:
- * @comp: A calendar component object.
- * @recur_id: Value for the recurrence id property.
- * 
- * Sets the recurrence id property of a calendar component object.
- **/
-void
-cal_component_set_recurid (CalComponent *comp, CalComponentRange *recur_id)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-	
-	set_datetime (comp, &priv->recur_id.recur_time,
-		      icalproperty_new_recurrenceid,
-		      icalproperty_set_recurrenceid,
-		      recur_id->datetime);
-}
-
-/**
- * cal_component_get_rdate_list:
- * @comp: A calendar component object.
- * @period_list: Return value for the list of recurrence dates, as a list of
- * #CalComponentPeriod structures.  This should be freed using the
- * cal_component_free_period_list() function.
- *
- * Queries the list of recurrence date properties in a calendar component
- * object.
- **/
-void
-cal_component_get_rdate_list (CalComponent *comp, GSList **period_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (period_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_period_list (priv->rdate_list, icalproperty_get_rdate, period_list);
-}
-
-/**
- * cal_component_set_rdate_list:
- * @comp: A calendar component object.
- * @period_list: List of #CalComponentPeriod structures.
- *
- * Sets the list of recurrence dates in a calendar component object.
- **/
-void
-cal_component_set_rdate_list (CalComponent *comp, GSList *period_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_period_list (comp, icalproperty_new_rdate, &priv->rdate_list, period_list);
-
-	priv->need_sequence_inc = TRUE;
-}
-
-/**
- * cal_component_has_rdates:
- * @comp: A calendar component object.
- *
- * Queries whether a calendar component object has any recurrence dates defined
- * for it.
- *
- * Return value: TRUE if the component has recurrence dates, FALSE otherwise.
- **/
-gboolean
-cal_component_has_rdates (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	g_return_val_if_fail (comp != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), FALSE);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	return (priv->rdate_list != NULL);
-}
-
-/**
- * cal_component_get_rrule_list:
- * @comp: A calendar component object.
- * @recur_list: List of recurrence rules as struct #icalrecurrencetype
- * structures.  This should be freed using the cal_component_free_recur_list()
- * function.
- *
- * Queries the list of recurrence rule properties of a calendar component
- * object.
- **/
-void
-cal_component_get_rrule_list (CalComponent *comp, GSList **recur_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (recur_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_recur_list (priv->rrule_list, icalproperty_get_rrule, recur_list);
-}
-
-/**
- * cal_component_get_rrule_property_list:
- * @comp: A calendar component object.
- * @recur_list: Returns a list of recurrence rule properties.
- *
- * Queries a list of recurrence rule properties of a calendar component object.
- **/
-void
-cal_component_get_rrule_property_list (CalComponent *comp, GSList **recur_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (recur_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	*recur_list = priv->rrule_list;
-}
-
-/**
- * cal_component_set_rrule_list:
- * @comp: A calendar component object.
- * @recur_list: List of struct #icalrecurrencetype structures.
- *
- * Sets the list of recurrence rules in a calendar component object.
- **/
-void
-cal_component_set_rrule_list (CalComponent *comp, GSList *recur_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_recur_list (comp, icalproperty_new_rrule, &priv->rrule_list, recur_list);
-
-	priv->need_sequence_inc = TRUE;
-}
-
-/**
- * cal_component_has_rrules:
- * @comp: A calendar component object.
- *
- * Queries whether a calendar component object has any recurrence rules defined
- * for it.
- *
- * Return value: TRUE if the component has recurrence rules, FALSE otherwise.
- **/
-gboolean
-cal_component_has_rrules (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	g_return_val_if_fail (comp != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), FALSE);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	return (priv->rrule_list != NULL);
-}
-
-/**
- * cal_component_has_recurrences:
- * @comp: A calendar component object
- *
- * Queries whether a calendar component object has any recurrence dates or
- * recurrence rules.
- *
- * Return value: TRUE if the component has recurrences, FALSE otherwise.
- **/
-gboolean
-cal_component_has_recurrences (CalComponent *comp)
-{
-	return cal_component_has_rdates (comp) || cal_component_has_rrules (comp);
-}
-
-/**
- * cal_component_get_sequence:
- * @comp: A calendar component object.
- * @sequence: Return value for the sequence number.  This should be freed using
- * cal_component_free_sequence().
- *
- * Queries the sequence number of a calendar component object.
- **/
-void
-cal_component_get_sequence (CalComponent *comp, int **sequence)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (sequence != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!priv->sequence) {
-		*sequence = NULL;
-		return;
-	}
-
-	*sequence = g_new (int, 1);
-	**sequence = icalproperty_get_sequence (priv->sequence);
-}
-
-/**
- * cal_component_set_sequence:
- * @comp: A calendar component object.
- * @sequence: Sequence number value.
- *
- * Sets the sequence number of a calendar component object.  Normally this
- * function should not be called, since the sequence number is incremented
- * automatically at the proper times.
- **/
-void
-cal_component_set_sequence (CalComponent *comp, int *sequence)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	priv->need_sequence_inc = FALSE;
-
-	if (!sequence) {
-		if (priv->sequence) {
-			icalcomponent_remove_property (priv->icalcomp, priv->sequence);
-			icalproperty_free (priv->sequence);
-			priv->sequence = NULL;
-		}
-
-		return;
-	}
-
-	if (priv->sequence)
-		icalproperty_set_sequence (priv->sequence, *sequence);
-	else {
-		priv->sequence = icalproperty_new_sequence (*sequence);
-		icalcomponent_add_property (priv->icalcomp, priv->sequence);
-	}
-}
-
-/**
- * cal_component_get_status:
- * @comp: A calendar component object.
- * @status: Return value for the status value.  It is set to #ICAL_STATUS_NONE
- * if the component has no status property.
- *
- * Queries the status property of a calendar component object.
- **/
-void
-cal_component_get_status (CalComponent *comp, icalproperty_status *status)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (status != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!priv->status) {
-		*status = ICAL_STATUS_NONE;
-		return;
-	}
-
-	*status = icalproperty_get_status (priv->status);
-}
-
-/**
- * cal_component_set_status:
- * @comp: A calendar component object.
- * @status: Status value.  You should use #ICAL_STATUS_NONE if you want to unset
- * this property.
- *
- * Sets the status property of a calendar component object.
- **/
-void
-cal_component_set_status (CalComponent *comp, icalproperty_status status)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	priv->need_sequence_inc = TRUE;
-
-	if (status == ICAL_STATUS_NONE) {
-		if (priv->status) {
-			icalcomponent_remove_property (priv->icalcomp, priv->status);
-			icalproperty_free (priv->status);
-			priv->status = NULL;
-		}
-
-		return;
-	}
-
-	if (priv->status) {
-		icalproperty_set_status (priv->status, status);
-	} else {
-		priv->status = icalproperty_new_status (status);
-		icalcomponent_add_property (priv->icalcomp, priv->status);
-	}
-}
-
-/**
- * cal_component_get_summary:
- * @comp: A calendar component object.
- * @summary: Return value for the summary property and its parameters.
- *
- * Queries the summary of a calendar component object.
- **/
-void
-cal_component_get_summary (CalComponent *comp, CalComponentText *summary)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (summary != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (priv->summary.prop)
-		summary->value = icalproperty_get_summary (priv->summary.prop);
-	else
-		summary->value = NULL;
-
-	if (priv->summary.altrep_param)
-		summary->altrep = icalparameter_get_altrep (priv->summary.altrep_param);
-	else
-		summary->altrep = NULL;
-}
-
-/**
- * cal_component_set_summary:
- * @comp: A calendar component object.
- * @summary: Summary property and its parameters.
- *
- * Sets the summary of a calendar component object.
- **/
-void
-cal_component_set_summary (CalComponent *comp, CalComponentText *summary)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!summary) {
-		if (priv->summary.prop) {
-			icalcomponent_remove_property (priv->icalcomp, priv->summary.prop);
-			icalproperty_free (priv->summary.prop);
-
-			priv->summary.prop = NULL;
-			priv->summary.altrep_param = NULL;
-		}
-
-		return;
-	}
-
-	g_return_if_fail (summary->value != NULL);
-
-	if (priv->summary.prop)
-		icalproperty_set_summary (priv->summary.prop, (char *) summary->value);
-	else {
-		priv->summary.prop = icalproperty_new_summary ((char *) summary->value);
-		icalcomponent_add_property (priv->icalcomp, priv->summary.prop);
-	}
-
-	if (summary->altrep) {
-		g_assert (priv->summary.prop != NULL);
-
-		if (priv->summary.altrep_param)
-			icalparameter_set_altrep (priv->summary.altrep_param,
-						  (char *) summary->altrep);
-		else {
-			priv->summary.altrep_param = icalparameter_new_altrep (
-				(char *) summary->altrep);
-			icalproperty_add_parameter (priv->summary.prop,
-						    priv->summary.altrep_param);
-		}
-	} else if (priv->summary.altrep_param) {
-		icalproperty_remove_parameter (priv->summary.prop, ICAL_ALTREP_PARAMETER);
-		icalparameter_free (priv->summary.altrep_param);
-		priv->summary.altrep_param = NULL;
-	}
-}
-
-/**
- * cal_component_get_transparency:
- * @comp: A calendar component object.
- * @transp: Return value for the time transparency.
- *
- * Queries the time transparency of a calendar component object.
- **/
-void
-cal_component_get_transparency (CalComponent *comp, CalComponentTransparency *transp)
-{
-	CalComponentPrivate *priv;
-	const char *val;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (transp != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!priv->transparency) {
-		*transp = CAL_COMPONENT_TRANSP_NONE;
-		return;
-	}
-
-	val = icalproperty_get_transp (priv->transparency);
-
-	if (strcasecmp (val, "TRANSPARENT") == 0)
-		*transp = CAL_COMPONENT_TRANSP_TRANSPARENT;
-	else if (strcasecmp (val, "OPAQUE") == 0)
-		*transp = CAL_COMPONENT_TRANSP_OPAQUE;
-	else
-		*transp = CAL_COMPONENT_TRANSP_UNKNOWN;
-}
-
-/**
- * cal_component_set_transparency:
- * @comp: A calendar component object.
- * @transp: Time transparency value.
- *
- * Sets the time transparency of a calendar component object.
- **/
-void
-cal_component_set_transparency (CalComponent *comp, CalComponentTransparency transp)
-{
-	CalComponentPrivate *priv;
-	char *str;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (transp != CAL_COMPONENT_TRANSP_UNKNOWN);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-
-	if (transp == CAL_COMPONENT_TRANSP_NONE) {
-		if (priv->transparency) {
-			icalcomponent_remove_property (priv->icalcomp, priv->transparency);
-			icalproperty_free (priv->transparency);
-			priv->transparency = NULL;
-		}
-
-		return;
-	}
-
-	switch (transp) {
-	case CAL_COMPONENT_TRANSP_TRANSPARENT:
-		str = "TRANSPARENT";
-		break;
-
-	case CAL_COMPONENT_TRANSP_OPAQUE:
-		str = "OPAQUE";
-		break;
-
-	default:
-		g_assert_not_reached ();
-		str = NULL;
-	}
-
-	if (priv->transparency)
-		icalproperty_set_transp (priv->transparency, str);
-	else {
-		priv->transparency = icalproperty_new_transp (str);
-		icalcomponent_add_property (priv->icalcomp, priv->transparency);
-	}
-}
-
-/**
- * cal_component_get_url:
- * @comp: A calendar component object.
- * @url: Return value for the URL.
- *
- * Queries the uniform resource locator property of a calendar component object.
- **/
-void
-cal_component_get_url (CalComponent *comp, const char **url)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (url != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (priv->url)
-		*url = icalproperty_get_url (priv->url);
-	else
-		*url = NULL;
-}
-
-/**
- * cal_component_set_url:
- * @comp: A calendar component object.
- * @url: URL value.
- *
- * Sets the uniform resource locator property of a calendar component object.
- **/
-void
-cal_component_set_url (CalComponent *comp, const char *url)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	if (!url || !(*url)) {
-		if (priv->url) {
-			icalcomponent_remove_property (priv->icalcomp, priv->url);
-			icalproperty_free (priv->url);
-			priv->url = NULL;
-		}
-
-		return;
-	}
-
-	if (priv->url)
-		icalproperty_set_url (priv->url, (char *) url);
-	else {
-		priv->url = icalproperty_new_url ((char *) url);
-		icalcomponent_add_property (priv->icalcomp, priv->url);
-	}
-}
-
-/* Gets a text list value */
-static void
-get_attendee_list (GSList *attendee_list, GSList **al)
-{
-	GSList *l;
-
-	*al = NULL;
-
-	if (!attendee_list)
-		return;
-
-	for (l = attendee_list; l; l = l->next) {
-		struct attendee *attendee;
-		CalComponentAttendee *a;
-
-		attendee = l->data;
-		g_assert (attendee->prop != NULL);
-
-		a = g_new0 (CalComponentAttendee, 1);
-		a->value = icalproperty_get_attendee (attendee->prop);
-
-		if (attendee->member_param)
-			a->member = icalparameter_get_member (attendee->member_param);
-		if (attendee->cutype_param) {
-			switch (icalparameter_get_cutype (attendee->cutype_param)) {
-			case ICAL_CUTYPE_INDIVIDUAL:
-				a->cutype = CAL_COMPONENT_CUTYPE_INDIVIDUAL;
-				break;
-			case ICAL_CUTYPE_GROUP:
-				a->cutype = CAL_COMPONENT_CUTYPE_GROUP;
-				break;
-			case ICAL_CUTYPE_RESOURCE:
-				a->cutype = CAL_COMPONENT_CUTYPE_RESOURCE;
-				break;
-			case ICAL_CUTYPE_ROOM:
-				a->cutype = CAL_COMPONENT_CUTYPE_ROOM;
-				break;
-			default:
-				a->cutype = CAL_COMPONENT_CUTYPE_UNKNOWN;
-			}
-		}
-			
-		if (attendee->role_param) {
-			switch (icalparameter_get_role (attendee->role_param)) {
-			case ICAL_ROLE_CHAIR:
-				a->role = CAL_COMPONENT_ROLE_CHAIR;
-				break;
-			case ICAL_ROLE_REQPARTICIPANT:
-				a->role = CAL_COMPONENT_ROLE_REQUIRED;
-				break;
-			case ICAL_ROLE_OPTPARTICIPANT:
-				a->role = CAL_COMPONENT_ROLE_OPTIONAL;
-				break;
-			case ICAL_ROLE_NONPARTICIPANT:
-				a->role = CAL_COMPONENT_ROLE_NON;
-				break;
-			default:
-				a->role = CAL_COMPONENT_ROLE_UNKNOWN;
-			}
-		}
-
-		if (attendee->partstat_param) {
-			switch (icalparameter_get_role (attendee->partstat_param)) {
-			case ICAL_PARTSTAT_NEEDSACTION:
-				a->status = CAL_COMPONENT_PARTSTAT_NEEDSACTION;
-				break;
-			case ICAL_PARTSTAT_ACCEPTED:
-				a->status = CAL_COMPONENT_PARTSTAT_ACCEPTED;
-				break;
-			case ICAL_PARTSTAT_DECLINED:
-				a->status = CAL_COMPONENT_PARTSTAT_DECLINED;
-				break;
-			case ICAL_PARTSTAT_TENTATIVE:
-				a->status = CAL_COMPONENT_PARTSTAT_TENTATIVE;
-				break;
-			case ICAL_PARTSTAT_DELEGATED:
-				a->status = CAL_COMPONENT_PARTSTAT_DELEGATED;
-				break;
-			case ICAL_PARTSTAT_COMPLETED:
-				a->status = CAL_COMPONENT_PARTSTAT_COMPLETED;
-				break;
-			case ICAL_PARTSTAT_INPROCESS:
-				a->status = CAL_COMPONENT_PARTSTAT_INPROCESS;
-				break;
-			default:
-				a->status = CAL_COMPONENT_PARTSTAT_UNKNOWN;
-			}
-		}
-
-		if (attendee->rsvp_param && icalparameter_get_rsvp (attendee->rsvp_param) == ICAL_RSVP_TRUE)
-			a->rsvp = TRUE;
-		else
-			a->rsvp = FALSE;
-
-		if (attendee->delfrom_param)
-			a->delfrom = icalparameter_get_sentby (attendee->delfrom_param);
-		if (attendee->delto_param)
-			a->delto = icalparameter_get_sentby (attendee->delto_param);
-		if (attendee->sentby_param)
-			a->sentby = icalparameter_get_sentby (attendee->sentby_param);
-		if (attendee->cn_param)
-			a->cn = icalparameter_get_sentby (attendee->cn_param);
-		if (attendee->language_param)
-			a->language = icalparameter_get_sentby (attendee->language_param);
-
-		*al = g_slist_prepend (*al, a);
-	}
-
-	*al = g_slist_reverse (*al);
-}
-
-
-/* Sets a text list value */
-static void
-set_attendee_list (CalComponent *comp,
-		   GSList **attendee_list,
-		   GSList *al)
-{
-	CalComponentPrivate *priv;
-	GSList *l;
-
-	priv = comp->priv;
-
-	/* Remove old attendees */
-
-	for (l = *attendee_list; l; l = l->next) {
-		struct attendee *attendee;
-
-		attendee = l->data;
-		g_assert (attendee->prop != NULL);
-
-		icalcomponent_remove_property (priv->icalcomp, attendee->prop);
-		icalproperty_free (attendee->prop);
-		g_free (attendee);
-	}
-
-	g_slist_free (*attendee_list);
-	*attendee_list = NULL;
-
-	/* Add in new attendees */
-
-	for (l = al; l; l = l->next) {
-		CalComponentAttendee *a;
-		struct attendee *attendee;
-		icalparameter_cutype ct;
-		icalparameter_role r;
-		icalparameter_partstat p;
-
-		a = l->data;
-		g_return_if_fail (a->value != NULL);
-
-		attendee = g_new0 (struct attendee, 1);
-
-		attendee->prop = icalproperty_new_attendee (a->value);
-		icalcomponent_add_property (priv->icalcomp, attendee->prop);
-
-		if (a->member) {
-			attendee->member_param = icalparameter_new_member (a->member);
-			icalproperty_add_parameter (attendee->prop, attendee->member_param);
-		}
-
-		switch (a->cutype) {
-			case CAL_COMPONENT_CUTYPE_INDIVIDUAL:
-				ct = ICAL_CUTYPE_INDIVIDUAL;
-				break;
-			case CAL_COMPONENT_CUTYPE_GROUP:
-				ct = ICAL_CUTYPE_GROUP;
-				break;
-			case CAL_COMPONENT_CUTYPE_RESOURCE:
-				ct = ICAL_CUTYPE_RESOURCE;
-				break;
-			case CAL_COMPONENT_CUTYPE_ROOM:
-				ct = ICAL_CUTYPE_ROOM;
-				break;
-			default:
-				ct = ICAL_CUTYPE_UNKNOWN;
-		}
-		attendee->cutype_param = icalparameter_new_cutype (ct);
-		icalproperty_add_parameter (attendee->prop, attendee->cutype_param);
-
-		switch (a->role) {
-			case CAL_COMPONENT_ROLE_CHAIR:
-				r = ICAL_ROLE_CHAIR;
-				break;
-			case CAL_COMPONENT_ROLE_REQUIRED:
-				r = ICAL_ROLE_REQPARTICIPANT;
-				break;
-			case CAL_COMPONENT_ROLE_OPTIONAL:
-				r = ICAL_ROLE_OPTPARTICIPANT;
-				break;
-			case CAL_COMPONENT_ROLE_NON:
-				r = ICAL_ROLE_NONPARTICIPANT;
-				break;
-			default:
-				r = ICAL_ROLE_NONE;
-		}
-		attendee->role_param = icalparameter_new_role (r);
-		icalproperty_add_parameter (attendee->prop, attendee->role_param);
-
-		switch (a->status) {
-			case CAL_COMPONENT_PARTSTAT_NEEDSACTION:
-				p = ICAL_PARTSTAT_NEEDSACTION;
-				break;
-			case CAL_COMPONENT_PARTSTAT_ACCEPTED:
-				p = ICAL_PARTSTAT_ACCEPTED;
-				break;
-			case CAL_COMPONENT_PARTSTAT_DECLINED:
-				p = ICAL_PARTSTAT_DECLINED;
-				break;
-			case CAL_COMPONENT_PARTSTAT_TENTATIVE:
-				p = ICAL_PARTSTAT_TENTATIVE;
-				break;
-			case CAL_COMPONENT_PARTSTAT_DELEGATED:
-				p = ICAL_PARTSTAT_DELEGATED;
-				break;
-			case CAL_COMPONENT_PARTSTAT_COMPLETED:
-				p = ICAL_PARTSTAT_COMPLETED;
-				break;
-			case CAL_COMPONENT_PARTSTAT_INPROCESS:
-				p = ICAL_PARTSTAT_INPROCESS;
-				break;
-			default:
-				p = ICAL_PARTSTAT_NONE;
-		}
-		attendee->partstat_param = icalparameter_new_partstat (p);
-		icalproperty_add_parameter (attendee->prop, attendee->partstat_param);
-
-		if (a->rsvp)
-			attendee->rsvp_param = icalparameter_new_rsvp (ICAL_RSVP_TRUE);
-		else
-			attendee->rsvp_param = icalparameter_new_rsvp (ICAL_RSVP_FALSE);
-		icalproperty_add_parameter (attendee->prop, attendee->rsvp_param);
-	
-		if (a->delfrom) {
-			attendee->delfrom_param = icalparameter_new_delegatedfrom (a->delfrom);
-			icalproperty_add_parameter (attendee->prop, attendee->delfrom_param);
-		}
-		if (a->delto) {
-			attendee->delto_param = icalparameter_new_delegatedto (a->delto);
-			icalproperty_add_parameter (attendee->prop, attendee->delto_param);
-		}
-		if (a->sentby) {
-			attendee->sentby_param = icalparameter_new_sentby (a->sentby);
-			icalproperty_add_parameter (attendee->prop, attendee->sentby_param);
-		}
-		if (a->cn) {
-			attendee->cn_param = icalparameter_new_cn (a->cn);
-			icalproperty_add_parameter (attendee->prop, attendee->cn_param);
-		}
-		if (a->language) {
-			attendee->language_param = icalparameter_new_language (a->language);
-			icalproperty_add_parameter (attendee->prop, attendee->language_param);
-		}
-
-		*attendee_list = g_slist_prepend (*attendee_list, attendee);
-	}
-
-	*attendee_list = g_slist_reverse (*attendee_list);
-}
-
-/**
- * cal_component_get_attendee_list: 
- * @comp: A calendar component object. 
- * @attendee_list: Return value for the attendee property.
- * This should be freed using the cal_component_free_attendee_list ()
- * function.
- * 
- * Queries the attendee properties of the calendar component object
- **/
-void
-cal_component_get_attendee_list (CalComponent *comp, GSList **attendee_list)
-{
-	CalComponentPrivate *priv;
-	
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (attendee_list != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	get_attendee_list (priv->attendee_list, attendee_list);
-}
-
-/**
- * cal_component_set_attendee_list:
- * @comp: A calendar component object. 
- * @attendee_list: Values for attendee properties
- * 
- * Sets the attendees of a calendar component object
- **/
-void
-cal_component_set_attendee_list (CalComponent *comp, GSList *attendee_list)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	set_attendee_list (comp, &priv->attendee_list, attendee_list);
-}
-
-
-
-
-/**
- * cal_component_free_categories_list:
- * @categ_list: List of category strings.
- *
- * Frees a list of category strings.
- **/
-void
-cal_component_free_categories_list (GSList *categ_list)
-{
-	GSList *l;
-
-	for (l = categ_list; l; l = l->next)
-		g_free (l->data);
-
-	g_slist_free (categ_list);
-}
-
-/**
- * cal_component_free_datetime:
- * @dt: A date/time structure.
- *
- * Frees a date/time structure.
- **/
-void
-cal_component_free_datetime (CalComponentDateTime *dt)
-{
-	g_return_if_fail (dt != NULL);
-
-	g_free (dt->value);
-	g_free ((char*)dt->tzid);
-}
-
-/**
- * cal_component_free_exdate_list:
- * @exdate_list: List of #CalComponentDateTime structures.
- *
- * Frees a list of #CalComponentDateTime structures as returned by the
- * cal_component_get_exdate_list() function.
- **/
-void
-cal_component_free_exdate_list (GSList *exdate_list)
-{
-	GSList *l;
-
-	for (l = exdate_list; l; l = l->next) {
-		CalComponentDateTime *cdt;
-
-		g_assert (l->data != NULL);
-		cdt = l->data;
-
-		g_assert (cdt->value != NULL);
-		g_free (cdt->value);
-		g_free ((char*)cdt->tzid);
-
-		g_free (cdt);
-	}
-
-	g_slist_free (exdate_list);
-}
-
-/**
- * cal_component_free_geo:
- * @geo: An #icalgeotype structure.
- *
- * Frees a struct #icalgeotype structure as returned by the calendar component
- * functions.
- **/
-void
-cal_component_free_geo (struct icalgeotype *geo)
-{
-	g_return_if_fail (geo != NULL);
-
-	g_free (geo);
-}
-
-/**
- * cal_component_free_icaltimetype:
- * @t: An #icaltimetype structure.
- *
- * Frees a struct #icaltimetype value as returned by the calendar component
- * functions.
- **/
-void
-cal_component_free_icaltimetype (struct icaltimetype *t)
-{
-	g_return_if_fail (t != NULL);
-
-	g_free (t);
-}
-
-/**
- * cal_component_free_percent:
- * @percent: Percent value.
- *
- * Frees a percent value as returned by the cal_component_get_percent()
- * function.
- **/
-void
-cal_component_free_percent (int *percent)
-{
-	g_return_if_fail (percent != NULL);
-
-	g_free (percent);
-}
-
-/**
- * cal_component_free_priority:
- * @priority: Priority value.
- *
- * Frees a priority value as returned by the cal_component_get_priority()
- * function.
- **/
-void
-cal_component_free_priority (int *priority)
-{
-	g_return_if_fail (priority != NULL);
-
-	g_free (priority);
-}
-
-/**
- * cal_component_free_period_list:
- * @period_list: List of #CalComponentPeriod structures.
- *
- * Frees a list of #CalComponentPeriod structures.
- **/
-void
-cal_component_free_period_list (GSList *period_list)
-{
-	GSList *l;
-
-	for (l = period_list; l; l = l->next) {
-		CalComponentPeriod *period;
-
-		g_assert (l->data != NULL);
-
-		period = l->data;
-		g_free (period);
-	}
-
-	g_slist_free (period_list);
-}
-
-/**
- * cal_component_free_recur_list:
- * @recur_list: List of struct #icalrecurrencetype structures.
- *
- * Frees a list of struct #icalrecurrencetype structures.
- **/
-void
-cal_component_free_recur_list (GSList *recur_list)
-{
-	GSList *l;
-
-	for (l = recur_list; l; l = l->next) {
-		struct icalrecurrencetype *r;
-
-		g_assert (l->data != NULL);
-		r = l->data;
-
-		g_free (r);
-	}
-
-	g_slist_free (recur_list);
-}
-
-/**
- * cal_component_free_sequence:
- * @sequence: Sequence number value.
- *
- * Frees a sequence number value.
- **/
-void
-cal_component_free_sequence (int *sequence)
-{
-	g_return_if_fail (sequence != NULL);
-
-	g_free (sequence);
-}
-
-/**
- * cal_component_free_text_list:
- * @text_list: List of #CalComponentText structures.
- *
- * Frees a list of #CalComponentText structures.  This function should only be
- * used to free lists of text values as returned by the other getter functions
- * of #CalComponent.
- **/
-void
-cal_component_free_text_list (GSList *text_list)
-{
-	GSList *l;
-
-	for (l = text_list; l; l = l->next) {
-		CalComponentText *text;
-
-		g_assert (l->data != NULL);
-
-		text = l->data;
-		g_return_if_fail (text != NULL);
-		g_free (text);
-	}
-
-	g_slist_free (text_list);
-}
-
-/**
- * cal_component_free_attendee_list:
- * @attendee_list: 
- * 
- * 
- **/
-void
-cal_component_free_attendee_list (GSList *attendee_list)
-{
-	GSList *l;
-
-	for (l = attendee_list; l; l = l->next) {
-		CalComponentAttendee *attendee;
-
-		g_assert (l->data != NULL);
-
-		attendee = l->data;
-		g_return_if_fail (attendee != NULL);
-		g_free (attendee);
-	}
-
-	g_slist_free (attendee_list);
-}
-
-
-
-/**
- * cal_component_has_alarms:
- * @comp: A calendar component object.
- *
- * Checks whether the component has any alarms.
- *
- * Return value: TRUE if the component has any alarms.
- **/
-gboolean
-cal_component_has_alarms (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-
-	g_return_val_if_fail (comp != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), FALSE);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	return g_hash_table_size (priv->alarm_uid_hash) != 0;
-}
-
-/**
- * cal_component_add_alarm:
- * @comp: A calendar component.
- * @alarm: An alarm.
- * 
- * Adds an alarm subcomponent to a calendar component.  You should have created
- * the @alarm by using cal_component_alarm_new(); it is invalid to use a
- * #CalComponentAlarm structure that came from cal_component_get_alarm().  After
- * adding the alarm, the @alarm structure is no longer valid because the
- * internal structures may change and you should get rid of it by using
- * cal_component_alarm_free().
- **/
-void
-cal_component_add_alarm (CalComponent *comp, CalComponentAlarm *alarm)
-{
-	CalComponentPrivate *priv;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (alarm != NULL);
-
-	priv = comp->priv;
-
-	add_alarm (comp, alarm->icalcomp, icalproperty_get_x (alarm->uid));
-	icalcomponent_add_component (priv->icalcomp, alarm->icalcomp);
-}
-
-/**
- * cal_component_remove_alarm:
- * @comp: A calendar component.
- * @auid: UID of the alarm to remove.
- * 
- * Removes an alarm subcomponent from a calendar component.  If the alarm that
- * corresponds to the specified @auid had been fetched with
- * cal_component_get_alarm(), then those alarm structures will be invalid; you
- * should get rid of them with cal_component_alarm_free() before using this
- * function.
- **/
-void
-cal_component_remove_alarm (CalComponent *comp, const char *auid)
-{
-	CalComponentPrivate *priv;
-	icalcomponent *alarm;
-
-	g_return_if_fail (comp != NULL);
-	g_return_if_fail (IS_CAL_COMPONENT (comp));
-	g_return_if_fail (auid != NULL);
-
-	priv = comp->priv;
-	g_return_if_fail (priv->icalcomp != NULL);
-
-	alarm = g_hash_table_lookup (priv->alarm_uid_hash, auid);
-	if (!alarm)
-		return;
-
-	g_hash_table_remove (priv->alarm_uid_hash, auid);
-	icalcomponent_remove_component (priv->icalcomp, alarm);
-	icalcomponent_free (alarm);
-}
-
-
-/* Scans an icalproperty from a calendar component and adds its mapping to our
- * own alarm structure.
- */
-static void
-scan_alarm_property (CalComponentAlarm *alarm, icalproperty *prop)
-{
-	icalproperty_kind kind;
-	const char *xname;
-
-	kind = icalproperty_isa (prop);
-
-	switch (kind) {
-	case ICAL_ACTION_PROPERTY:
-		alarm->action = prop;
-		break;
-
-	case ICAL_ATTACH_PROPERTY:
-		/* FIXME: mail alarms may have any number of these, not just one */
-		alarm->attach = prop;
-		break;
-
-	case ICAL_DESCRIPTION_PROPERTY:
-		alarm->description.prop = prop;
-		alarm->description.altrep_param = icalproperty_get_first_parameter (
-			prop, ICAL_ALTREP_PARAMETER);
-		break;
-
-	case ICAL_DURATION_PROPERTY:
-		alarm->duration = prop;
-		break;
-
-	case ICAL_REPEAT_PROPERTY:
-		alarm->repeat = prop;
-		break;
-
-	case ICAL_TRIGGER_PROPERTY:
-		alarm->trigger = prop;
-		break;
-
-	case ICAL_X_PROPERTY:
-		xname = icalproperty_get_x_name (prop);
-		g_assert (xname != NULL);
-
-		if (strcmp (xname, EVOLUTION_ALARM_UID_PROPERTY) == 0)
-			alarm->uid = prop;
-
-		break;
-
-	default:
-		break;
-	}
-}
-
-/* Creates a CalComponentAlarm from a libical alarm subcomponent */
-static CalComponentAlarm *
-make_alarm (icalcomponent *subcomp)
-{
-	CalComponentAlarm *alarm;
-	icalproperty *prop;
-
-	alarm = g_new (CalComponentAlarm, 1);
-
-	alarm->icalcomp = subcomp;
-	alarm->uid = NULL;
-
-	alarm->action = NULL;
-	alarm->attach = NULL;
-	alarm->description.prop = NULL;
-	alarm->description.altrep_param = NULL;
-	alarm->duration = NULL;
-	alarm->repeat = NULL;
-	alarm->trigger = NULL;
-
-	for (prop = icalcomponent_get_first_property (subcomp, ICAL_ANY_PROPERTY);
-	     prop;
-	     prop = icalcomponent_get_next_property (subcomp, ICAL_ANY_PROPERTY))
-		scan_alarm_property (alarm, prop);
-
-	g_assert (alarm->uid != NULL);
-
-	return alarm;
-}
-
-/* Used from g_hash_table_foreach(); adds an alarm UID to a list */
-static void
-add_alarm_uid (gpointer key, gpointer value, gpointer data)
-{
-	const char *auid;
-	GList **l;
-
-	auid = key;
-	l = data;
-
-	*l = g_list_prepend (*l, g_strdup (auid));
-}
-
-/**
- * cal_component_get_alarm_uids:
- * @comp: A calendar component.
- *
- * Builds a list of the unique identifiers of the alarm subcomponents inside a
- * calendar component.
- *
- * Return value: List of unique identifiers for alarms.  This should be freed
- * using cal_obj_uid_list_free().
- **/
-GList *
-cal_component_get_alarm_uids (CalComponent *comp)
-{
-	CalComponentPrivate *priv;
-	GList *l;
-
-	g_return_val_if_fail (comp != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), NULL);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	l = NULL;
-	g_hash_table_foreach (priv->alarm_uid_hash, add_alarm_uid, &l);
-
-	return l;
-}
-
-/**
- * cal_component_get_alarm:
- * @comp: A calendar component.
- * @auid: Unique identifier for the sought alarm subcomponent.
- *
- * Queries a particular alarm subcomponent of a calendar component.
- *
- * Return value: The alarm subcomponent that corresponds to the specified @auid,
- * or #NULL if no alarm exists with that UID.  This should be freed using
- * cal_component_alarm_free().
- **/
-CalComponentAlarm *
-cal_component_get_alarm (CalComponent *comp, const char *auid)
-{
-	CalComponentPrivate *priv;
-	icalcomponent *alarm;
-
-	g_return_val_if_fail (comp != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_COMPONENT (comp), NULL);
-
-	priv = comp->priv;
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	g_return_val_if_fail (auid != NULL, NULL);
-
-	alarm = g_hash_table_lookup (priv->alarm_uid_hash, auid);
-
-	if (alarm)
-		return make_alarm (alarm);
-	else
-		return NULL;
-}
-
-/**
- * cal_component_alarms_free:
- * @alarms: Component alarms structure.
- *
- * Frees a #CalComponentAlarms structure.
- **/
-void
-cal_component_alarms_free (CalComponentAlarms *alarms)
-{
-	GSList *l;
-
-	g_return_if_fail (alarms != NULL);
-
-	g_assert (alarms->comp != NULL);
-	gtk_object_unref (GTK_OBJECT (alarms->comp));
-
-	for (l = alarms->alarms; l; l = l->next) {
-		CalAlarmInstance *instance;
-
-		instance = l->data;
-		g_assert (instance != NULL);
-		g_free (instance);
-	}
-
-	g_slist_free (alarms->alarms);
-	g_free (alarms);
-}
-
-/**
- * cal_component_alarm_new:
- *
- *
- *
- * Return value: a new alarm component
- **/
-CalComponentAlarm *
-cal_component_alarm_new (void)
-{
-	CalComponentAlarm *alarm;
-	char *new_auid ;
-
-	alarm = g_new (CalComponentAlarm, 1);
-
-	alarm->icalcomp = icalcomponent_new (ICAL_VALARM_COMPONENT);
-
-	new_auid = cal_component_gen_uid ();
-	alarm->uid = icalproperty_new_x (new_auid);
-	icalproperty_set_x_name (alarm->uid, EVOLUTION_ALARM_UID_PROPERTY);
-	icalcomponent_add_property (alarm->icalcomp, alarm->uid);
-	g_free (new_auid);
-
-	alarm->action = NULL;
-	alarm->attach = NULL;
-	alarm->description.prop = NULL;
-	alarm->description.altrep_param = NULL;
-	alarm->duration = NULL;
-	alarm->repeat = NULL;
-	alarm->trigger = NULL;
-
-	return alarm;
-}
-
-/**
- * cal_component_alarm_clone:
- * @alarm: An alarm subcomponent.
- * 
- * Creates a new alarm subcomponent by copying the information from another one.
- * 
- * Return value: A newly-created alarm subcomponent with the same values as the
- * original one.  Should be freed with cal_component_alarm_free().
- **/
-CalComponentAlarm *
-cal_component_alarm_clone (CalComponentAlarm *alarm)
-{
-	icalcomponent *icalcomp;
-
-	g_return_val_if_fail (alarm != NULL, NULL);
-
-	icalcomp = icalcomponent_new_clone (alarm->icalcomp);
-	return make_alarm (icalcomp);
-}
-
-/**
- * cal_component_alarm_free:
- * @alarm: A calendar alarm.
- *
- * Frees an alarm structure.
- **/
-void
-cal_component_alarm_free (CalComponentAlarm *alarm)
-{
-	g_return_if_fail (alarm != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (icalcomponent_get_parent (alarm->icalcomp) == NULL)
-		icalcomponent_free (alarm->icalcomp);
-
-	alarm->icalcomp = NULL;
-	alarm->uid = NULL;
-	alarm->action = NULL;
-	alarm->attach = NULL;
-	alarm->description.prop = NULL;
-	alarm->description.altrep_param = NULL;
-	alarm->duration = NULL;
-	alarm->repeat = NULL;
-	alarm->trigger = NULL;
-
-	g_free (alarm);
-}
-
-/**
- * cal_component_alarm_get_uid:
- * @alarm: An alarm subcomponent.
- *
- * Queries the unique identifier of an alarm subcomponent.
- *
- * Return value: UID of the alarm.
- **/
-const char *
-cal_component_alarm_get_uid (CalComponentAlarm *alarm)
-{
-	g_return_val_if_fail (alarm != NULL, NULL);
-
-	return alarm_uid_from_prop (alarm->uid);
-}
-
-/**
- * cal_component_alarm_get_action:
- * @alarm: An alarm.
- * @action: Return value for the alarm's action type.
- *
- * Queries the action type of an alarm.
- **/
-void
-cal_component_alarm_get_action (CalComponentAlarm *alarm, CalAlarmAction *action)
-{
-	enum icalproperty_action ipa;
-
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (action != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (!alarm->action) {
-		*action = CAL_ALARM_NONE;
-		return;
-	}
-
-	ipa = icalproperty_get_action (alarm->action);
-
-	switch (ipa) {
-	case ICAL_ACTION_AUDIO:
-		*action = CAL_ALARM_AUDIO;
-		break;
-
-	case ICAL_ACTION_DISPLAY:
-		*action = CAL_ALARM_DISPLAY;
-		break;
-
-	case ICAL_ACTION_EMAIL:
-		*action = CAL_ALARM_EMAIL;
-		break;
-
-	case ICAL_ACTION_PROCEDURE:
-		*action = CAL_ALARM_PROCEDURE;
-		break;
-
-	case ICAL_ACTION_NONE:
-		*action = CAL_ALARM_NONE;
-		break;
-
-	default:
-		*action = CAL_ALARM_UNKNOWN;
-	}
-}
-
-/**
- * cal_component_alarm_set_action:
- * @alarm: An alarm.
- * @action: Action type.
- *
- * Sets the action type for an alarm.
- **/
-void
-cal_component_alarm_set_action (CalComponentAlarm *alarm, CalAlarmAction action)
-{
-	enum icalproperty_action ipa;
-
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (action != CAL_ALARM_NONE);
-	g_return_if_fail (action != CAL_ALARM_UNKNOWN);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	switch (action) {
-	case CAL_ALARM_AUDIO:
-		ipa = ICAL_ACTION_AUDIO;
-		break;
-
-	case CAL_ALARM_DISPLAY:
-		ipa = ICAL_ACTION_DISPLAY;
-		break;
-
-	case CAL_ALARM_EMAIL:
-		ipa = ICAL_ACTION_EMAIL;
-		break;
-
-	case CAL_ALARM_PROCEDURE:
-		ipa = ICAL_ACTION_PROCEDURE;
-		break;
-
-	default:
-		g_assert_not_reached ();
-		ipa = ICAL_ACTION_NONE;
-	}
-
-	if (alarm->action)
-		icalproperty_set_action (alarm->action, ipa);
-	else {
-		alarm->action = icalproperty_new_action (ipa);
-		icalcomponent_add_property (alarm->icalcomp, alarm->action);
-	}
-}
-
-/**
- * cal_component_alarm_get_attach:
- * @alarm: An alarm.
- * @attach: Return value for the attachment; should be freed using icalattachtype_free().
- * 
- * Queries the attachment property of an alarm.
- **/
-void
-cal_component_alarm_get_attach (CalComponentAlarm *alarm, struct icalattachtype **attach)
-{
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (attach != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (alarm->attach) {
-		*attach = icalattachtype_new ();
-		**attach = icalproperty_get_attach (alarm->attach);
-		/* FIXME: This is bogus in libical; icalattachtype is supposed
-		 * to be refcounted but the property functions return it by
-		 * value.
-		 */
-	} else
-		*attach = NULL;
-}
-
-/**
- * cal_component_alarm_set_attach:
- * @alarm: An alarm.
- * @attach: Attachment property or NULL to remove an existing property.
- * 
- * Sets the attachment property of an alarm.
- **/
-void
-cal_component_alarm_set_attach (CalComponentAlarm *alarm, struct icalattachtype *attach)
-{
-	g_return_if_fail (alarm != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (alarm->attach) {
-		icalcomponent_remove_property (alarm->icalcomp, alarm->attach);
-		icalproperty_free (alarm->attach);
-		alarm->attach = NULL;
-	}
-
-	if (attach) {
-		alarm->attach = icalproperty_new_attach (*attach);
-		icalcomponent_add_property (alarm->icalcomp, alarm->attach);
-	}
-}
-
-/**
- * cal_component_alarm_get_description:
- * @alarm: An alarm.
- * @description: Return value for the description property and its parameters.
- * 
- * Queries the description property of an alarm.
- **/
-void
-cal_component_alarm_get_description (CalComponentAlarm *alarm, CalComponentText *description)
-{
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (description != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (alarm->description.prop)
-		description->value = icalproperty_get_description (alarm->description.prop);
-	else
-		description->value = NULL;
-
-	if (alarm->description.altrep_param)
-		description->altrep = icalparameter_get_altrep (alarm->description.altrep_param);
-	else
-		description->altrep = NULL;
-}
-
-/**
- * cal_component_alarm_set_description:
- * @alarm: An alarm.
- * @description: Description property and its parameters, or NULL for no description.
- * 
- * Sets the description property of an alarm.
- **/
-void
-cal_component_alarm_set_description (CalComponentAlarm *alarm, CalComponentText *description)
-{
-	g_return_if_fail (alarm != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (alarm->description.prop) {
-		icalcomponent_remove_property (alarm->icalcomp, alarm->description.prop);
-		icalproperty_free (alarm->description.prop);
-
-		alarm->description.prop = NULL;
-		alarm->description.altrep_param = NULL;
-	}
-
-	if (!description)
-		return;
-
-	g_return_if_fail (description->value != NULL);
-
-	alarm->description.prop = icalproperty_new_description (description->value);
-	icalcomponent_add_property (alarm->icalcomp, alarm->description.prop);
-
-	if (description->altrep) {
-		alarm->description.altrep_param = icalparameter_new_altrep (
-			(char *) description->altrep);
-		icalproperty_add_parameter (alarm->description.prop,
-					    alarm->description.altrep_param);
-	}
-}
-
-/**
- * cal_component_alarm_get_repeat:
- * @alarm: An alarm.
- * @repeat: Return value for the repeat/duration properties.
- * 
- * Queries the repeat/duration properties of an alarm.
- **/
-void
-cal_component_alarm_get_repeat (CalComponentAlarm *alarm, CalAlarmRepeat *repeat)
-{
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (repeat != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (!(alarm->repeat && alarm->duration)) {
-		repeat->repetitions = 0;
-		memset (&repeat->duration, 0, sizeof (repeat->duration));
-		return;
-	}
-
-	repeat->repetitions = icalproperty_get_repeat (alarm->repeat);
-	repeat->duration = icalproperty_get_duration (alarm->duration);
-}
-
-/**
- * cal_component_alarm_set_repeat:
- * @alarm: An alarm.
- * @repeat: Repeat/duration values.  To remove any repetitions from the alarm,
- * set the @repeat.repetitions to 0.
- * 
- * Sets the repeat/duration values for an alarm.
- **/
-void
-cal_component_alarm_set_repeat (CalComponentAlarm *alarm, CalAlarmRepeat repeat)
-{
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (repeat.repetitions >= 0);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	/* Delete old properties */
-
-	if (alarm->repeat) {
-		icalcomponent_remove_property (alarm->icalcomp, alarm->repeat);
-		icalproperty_free (alarm->repeat);
-		alarm->repeat = NULL;
-	}
-
-	if (alarm->duration) {
-		icalcomponent_remove_property (alarm->icalcomp, alarm->duration);
-		icalproperty_free (alarm->duration);
-		alarm->duration = NULL;
-	}
-
-	/* Set the new properties */
-
-	if (repeat.repetitions == 0)
-		return; /* For zero extra repetitions the properties should not exist */
-
-	alarm->repeat = icalproperty_new_repeat (repeat.repetitions);
-	icalcomponent_add_property (alarm->icalcomp, alarm->repeat);
-
-	alarm->duration = icalproperty_new_duration (repeat.duration);
-	icalcomponent_add_property (alarm->icalcomp, alarm->duration);
-}
-
-/**
- * cal_component_alarm_get_trigger:
- * @alarm: An alarm.
- * @trigger: Return value for the trigger time.
- *
- * Queries the trigger time for an alarm.
- **/
-void
-cal_component_alarm_get_trigger (CalComponentAlarm *alarm, CalAlarmTrigger *trigger)
-{
-	icalparameter *param;
-	struct icaltriggertype t;
-	gboolean relative;
-
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (trigger != NULL);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	if (!alarm->trigger) {
-		trigger->type = CAL_ALARM_TRIGGER_NONE;
-		return;
-	}
-
-	/* Get trigger type */
-
-	param = icalproperty_get_first_parameter (alarm->trigger, ICAL_VALUE_PARAMETER);
-	if (param) {
-		icalparameter_value value;
-
-		value = icalparameter_get_value (param);
-
-		switch (value) {
-		case ICAL_VALUE_DURATION:
-			relative = TRUE;
-			break;
-
-		case ICAL_VALUE_DATETIME:
-			relative = FALSE;
-			break;
-
-		default:
-			g_message ("cal_component_alarm_get_trigger(): Unknown value for trigger "
-				   "value %d; using RELATIVE", value);
-
-			relative = TRUE;
-			break;
-		}
-	} else
-		relative = TRUE;
-
-	/* Get trigger value and the RELATED parameter */
-
-	t = icalproperty_get_trigger (alarm->trigger);
-
-	if (relative) {
-		trigger->u.rel_duration = t.duration;
-
-		param = icalproperty_get_first_parameter (alarm->trigger, ICAL_RELATED_PARAMETER);
-		if (param) {
-			icalparameter_related rel;
-
-			rel = icalparameter_get_related (param);
-
-			switch (rel) {
-			case ICAL_RELATED_START:
-				trigger->type = CAL_ALARM_TRIGGER_RELATIVE_START;
-				break;
-
-			case ICAL_RELATED_END:
-				trigger->type = CAL_ALARM_TRIGGER_RELATIVE_END;
-				break;
-
-			default:
-				g_assert_not_reached ();
-			}
-		} else
-			trigger->type = CAL_ALARM_TRIGGER_RELATIVE_START;
-	} else {
-		trigger->u.abs_time = t.time;
-		trigger->type = CAL_ALARM_TRIGGER_ABSOLUTE;
-	}
-}
-
-/**
- * cal_component_alarm_set_trigger:
- * @alarm: An alarm.
- * @trigger: Trigger time structure.
- *
- * Sets the trigger time of an alarm.
- **/
-void
-cal_component_alarm_set_trigger (CalComponentAlarm *alarm, CalAlarmTrigger trigger)
-{
-	struct icaltriggertype t;
-	icalparameter *param;
-	icalparameter_value value_type;
-	icalparameter_related related;
-
-	g_return_if_fail (alarm != NULL);
-	g_return_if_fail (trigger.type != CAL_ALARM_TRIGGER_NONE);
-
-	g_assert (alarm->icalcomp != NULL);
-
-	/* Delete old trigger */
-
-	if (alarm->trigger) {
-		icalcomponent_remove_property (alarm->icalcomp, alarm->trigger);
-		icalproperty_free (alarm->trigger);
-		alarm->trigger = NULL;
-	}
-
-	/* Set the value */
-
-	related = ICAL_RELATED_START; /* Keep GCC happy */
-
-	t.time = icaltime_null_time ();
-	t.duration = icaldurationtype_null_duration ();
-	switch (trigger.type) {
-	case CAL_ALARM_TRIGGER_RELATIVE_START:
-		t.duration = trigger.u.rel_duration;
-		value_type = ICAL_VALUE_DURATION;
-		related = ICAL_RELATED_START;
-		break;
-
-	case CAL_ALARM_TRIGGER_RELATIVE_END:
-		t.duration = trigger.u.rel_duration;
-		value_type = ICAL_VALUE_DURATION;
-		related = ICAL_RELATED_END;
-		break;
-
-	case CAL_ALARM_TRIGGER_ABSOLUTE:
-		t.time = trigger.u.abs_time;
-		value_type = ICAL_VALUE_DATETIME;
-		break;
-
-	default:
-		g_assert_not_reached ();
-		return;
-	}
-
-	alarm->trigger = icalproperty_new_trigger (t);
-	icalcomponent_add_property (alarm->icalcomp, alarm->trigger);
-
-	/* Value parameters */
-
-	param = icalproperty_get_first_parameter (alarm->trigger, ICAL_VALUE_PARAMETER);
-	if (param)
-		icalparameter_set_value (param, value_type);
-	else {
-		param = icalparameter_new_value (value_type);
-		icalproperty_add_parameter (alarm->trigger, param);
-	}
-
-	/* Related parameter */
-
-	if (trigger.type != CAL_ALARM_TRIGGER_ABSOLUTE) {
-		param = icalproperty_get_first_parameter (alarm->trigger, ICAL_RELATED_PARAMETER);
-
-		if (param)
-			icalparameter_set_related (param, related);
-		else {
-			param = icalparameter_new_related (related);
-			icalproperty_add_parameter (alarm->trigger, param);
-		}
-	}
-}
-
-/* Returns TRUE if both strings match, i.e. they are both NULL or the
-   strings are equal. */
-static gboolean
-cal_component_strings_match	(const gchar	*string1,
-				 const gchar	*string2)
-{
-	if (string1 == NULL || string2 == NULL)
-		return (string1 == string2) ? TRUE : FALSE;
-
-	if (!strcmp (string1, string2))
-		return TRUE;
-
-	return FALSE;
-}
-
-
-/**
- * cal_component_event_dates_match:
- * @comp1: A calendar component object.
- * @comp2: A calendar component object.
- *
- * Checks if the DTSTART and DTEND properties of the 2 components match.
- * Note that the events may have different recurrence properties which are not
- * taken into account here.
- *
- * Returns: TRUE if the DTSTART and DTEND properties of the 2 components match.
- **/
-gboolean
-cal_component_event_dates_match	(CalComponent *comp1,
-				 CalComponent *comp2)
-{
-	CalComponentDateTime comp1_dtstart, comp1_dtend;
-	CalComponentDateTime comp2_dtstart, comp2_dtend;
-
-	cal_component_get_dtstart (comp1, &comp1_dtstart);
-	cal_component_get_dtend   (comp1, &comp1_dtend);
-	cal_component_get_dtstart (comp2, &comp2_dtstart);
-	cal_component_get_dtend   (comp2, &comp2_dtend);
-
-	/* If either value is NULL they must both be NULL to match. */
-	if (comp1_dtstart.value == NULL || comp2_dtstart.value == NULL) {
-		if (comp1_dtstart.value != comp2_dtstart.value)
-			return FALSE;
-	} else {
-		if (icaltime_compare (*comp1_dtstart.value,
-				      *comp2_dtstart.value))
-			return FALSE;
-	}
-
-	if (comp1_dtend.value == NULL || comp2_dtend.value == NULL) {
-		if (comp1_dtend.value != comp2_dtend.value)
-			return FALSE;
-	} else {
-		if (icaltime_compare (*comp1_dtend.value,
-				      *comp2_dtend.value))
-			return FALSE;
-	}
-
-	/* Now check the timezones. */
-	if (!cal_component_strings_match (comp1_dtstart.tzid,
-					  comp2_dtstart.tzid))
-		return FALSE;
-
-	if (!cal_component_strings_match (comp1_dtend.tzid,
-					  comp2_dtend.tzid))
-		return FALSE;
-
-	return TRUE;
-}
-
-/* Returns TRUE if the TZIDs are equivalent, i.e. both NULL or the same. */
-static gboolean
-cal_component_compare_tzid (const char *tzid1, const char *tzid2)
-{
-	gboolean retval = TRUE;
-
-	if (tzid1) {
-		if (!tzid2 || strcmp (tzid1, tzid2))
-			retval = FALSE;
-	} else {
-		if (tzid2)
-			retval = FALSE;
-	}
-
-	return retval;
-}
-
-/* Returns TRUE if the component uses the given timezones for both DTSTART
-   and DTEND. */
-gboolean
-cal_component_compare_event_timezone (CalComponent *comp, icaltimezone *zone)
-{
-	CalComponentDateTime datetime;
-	const char *tzid;
-	gboolean match;
-
-	tzid = icaltimezone_get_tzid (zone);
-
-	cal_component_get_dtstart (comp, &datetime);
-	match = cal_component_compare_tzid (tzid, datetime.tzid);
-	cal_component_free_datetime (&datetime);
-	if (!match)
-		return FALSE;
-
-	/* FIXME: DURATION may be used instead. */
-	cal_component_get_dtend (comp, &datetime);
-	match = cal_component_compare_tzid (tzid, datetime.tzid);
-	cal_component_free_datetime (&datetime);
-
-	return match;
-}