path: root/calendar/cal-util/cal-util.c

/* Evolution calendar utilities and types
 *
 * Copyright (C) 2000 Helix Code, Inc.
 *
 * Author: Federico Mena-Quintero <federico@helixcode.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 <stdlib.h>
#include "cal-util.h"
#include "libversit/vcc.h"



/**
 * cal_obj_instance_list_free:
 * @list: List of CalObjInstance structures.
 * 
 * Frees a list of CalObjInstance structures.
 **/
void
cal_obj_instance_list_free (GList *list)
{
    CalObjInstance *i;
    GList *l;

    for (l = list; l; l = l->next) {
        i = l->data;

        g_assert (i != NULL);
        g_assert (i->uid != NULL);
        g_assert (i->calobj != NULL);

        g_free (i->uid);
        g_free (i->calobj);
        g_free (i);
    }

    g_list_free (list);
}

/**
 * cal_obj_uid_list_free:
 * @list: List of strings with unique identifiers.
 *
 * Frees a list of unique identifiers for calendar objects.
 **/
void
cal_obj_uid_list_free (GList *list)
{
    GList *l;

    for (l = list; l; l = l->next) {
        char *uid;

        uid = l->data;
        g_free (uid);
    }

    g_list_free (list);
}


#warning FIXME -- do we need a complete calendar here?  should we use libical instead of libversit?  can this be the same as string_from_ical_object in cal-backend.c?
char *ical_object_to_string (iCalObject *ico)
{
    VObject *vobj;
    char *buf;

    vobj = ical_object_to_vobject (ico);
    buf = writeMemVObject (NULL, NULL, vobj);
    cleanStrTbl ();
    return buf;
}

iCalObject *string_to_ical_object (char *buffer)
{
    /* FIX ME */
#if 0
    /* something */
    VObject *vcal;
    vcal = Parse_MIME (buffer, strlen (buffer));
#endif /* 0 */
    return NULL;
}


#if 0
this is the one from calendar.c:

/*
 * calendar_string_from_object:
 *
 * Returns the iCalObject @object armored around a vCalendar
 * object as a string.
 */
char *
calendar_string_from_object (iCalObject *object)
{
    Calendar *cal;
    char *str;

    g_return_val_if_fail (object != NULL, NULL);
    
    cal = calendar_new ("Temporal",CALENDAR_INIT_NIL);
    calendar_add_object (cal, object);
    str = calendar_get_as_vcal_string (cal);
    calendar_remove_object (cal, object);

    calendar_destroy (cal);
    
    return str;
}

char *
calendar_get_as_vcal_string (Calendar *cal)
{
    VObject *vcal;
    char *result;
    
    g_return_val_if_fail (cal != NULL, NULL);

    vcal = vcalendar_create_from_calendar (cal);
    result = writeMemVObject (NULL, 0, vcal);

    cleanVObject (vcal);
    cleanStrTbl ();

    return result;
}

#endif /* 0 */