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/*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* 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 Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* Authors:
* JP Rosevear <jpr@novell.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <libedataserver/libedataserver.h>
#include "e-meeting-utils.h"
gint
e_meeting_time_compare_times (EMeetingTime *time1,
EMeetingTime *time2)
{
gint day_comparison;
day_comparison = g_date_compare (&time1->date, &time2->date);
if (day_comparison != 0)
return day_comparison;
if (time1->hour < time2->hour)
return -1;
if (time1->hour > time2->hour)
return 1;
if (time1->minute < time2->minute)
return -1;
if (time1->minute > time2->minute)
return 1;
/* The start times are exactly the same. */
return 0;
}
void
e_meeting_xfb_data_init (EMeetingXfbData *xfb)
{
g_return_if_fail (xfb != NULL);
xfb->summary = NULL;
xfb->location = NULL;
}
void
e_meeting_xfb_data_set (EMeetingXfbData *xfb,
const gchar *summary,
const gchar *location)
{
g_return_if_fail (xfb != NULL);
e_meeting_xfb_data_clear (xfb);
xfb->summary = g_strdup (summary);
xfb->location = g_strdup (location);
}
void
e_meeting_xfb_data_clear (EMeetingXfbData *xfb)
{
g_return_if_fail (xfb != NULL);
/* clearing the contents of xfb,
* but not the xfb structure itself
*/
if (xfb->summary != NULL) {
g_free (xfb->summary);
xfb->summary = NULL;
}
if (xfb->location != NULL) {
g_free (xfb->location);
xfb->location = NULL;
}
}
/* Creates an XFB string from a string property of a vfreebusy
* icalproperty. The ical string we read may be base64 encoded, but
* we get no reliable indication whether it really is. So we
* try to base64-decode, and failing that, assume the string
* is plain. The result is validated for UTF-8. We try to convert
* to UTF-8 from locale if the input is no valid UTF-8, and failing
* that, force the result into valid UTF-8. We also limit the
* length of the resulting string, since it gets displayed as a
* tooltip text in the meeting time selector.
*/
gchar *
e_meeting_xfb_utf8_string_new_from_ical (const gchar *icalstring,
gsize max_len)
{
gchar *tmp = NULL;
gchar *utf8s = NULL;
gsize in_len = 0;
gsize out_len = 0;
GError *tmp_err = NULL;
g_return_val_if_fail (max_len > 4, NULL);
if (icalstring == NULL)
return NULL;
/* ical does not carry charset hints, so we
* try UTF-8 first, then conversion using
* system locale info.
*/
/* if we have valid UTF-8, we're done converting */
if (g_utf8_validate (icalstring, -1, NULL))
goto valid;
/* no valid UTF-8, trying to convert to it
* according to system locale
*/
tmp = g_locale_to_utf8 (
icalstring, -1, &in_len, &out_len, &tmp_err);
if (tmp_err == NULL)
goto valid;
g_warning ("%s: %s", G_STRFUNC, tmp_err->message);
g_error_free (tmp_err);
g_free (tmp);
/* still no success, forcing it into UTF-8, using
* replacement chars to replace invalid ones
*/
tmp = e_util_utf8_data_make_valid (
icalstring, strlen (icalstring));
valid:
if (tmp == NULL)
tmp = g_strdup (icalstring);
/* now that we're (forcibly) valid UTF-8, we can
* limit the size of the UTF-8 string for display
*/
if (g_utf8_strlen (tmp, -1) > (glong) max_len) {
/* insert NULL termination to where we want to
* clip, take care to hit UTF-8 character boundary
*/
utf8s = g_utf8_offset_to_pointer (tmp, (glong) max_len - 4);
*utf8s = '\0';
/* create shortened UTF-8 string */
utf8s = g_strdup_printf ("%s ...", tmp);
g_free (tmp);
} else {
utf8s = tmp;
}
return utf8s;
}
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