diff options
Diffstat (limited to 'calendar/gui/e-meeting-utils.c')
| -rw-r--r-- | calendar/gui/e-meeting-utils.c | 152 |
1 files changed, 136 insertions, 16 deletions
diff --git a/calendar/gui/e-meeting-utils.c b/calendar/gui/e-meeting-utils.c index 496bb8ebaa..733052674c 100644 --- a/calendar/gui/e-meeting-utils.c +++ b/calendar/gui/e-meeting-utils.c @@ -1,39 +1,43 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* itip-model.c - * - * Copyright (C) 2001 Ximian, Inc. +/* * * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. * * 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. + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * * - * 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. + * Authors: + * JP Rosevear <jpr@novell.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * - * Author: JP Rosevear */ #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) +e_meeting_time_compare_times (EMeetingTime *time1, + EMeetingTime *time2) { gint day_comparison; - day_comparison = g_date_compare (&time1->date, - &time2->date); + day_comparison = g_date_compare (&time1->date, &time2->date); + if (day_comparison != 0) return day_comparison; @@ -50,3 +54,119 @@ e_meeting_time_compare_times (EMeetingTime*time1, /* 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; +} |