path: root/calendar/gui/misc.c

/* Evolution calendar - Miscellaneous utility functions
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * Authors: Federico Mena-Quintero <federico@ximian.com>
 *
 * 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.
 *
 * 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., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <ctype.h>
#include <time.h>
#include <libedataserver/e-url.h>
#include <glib/gi18n.h>

#include "misc.h"



/**
 * string_is_empty:
 * @value: A string.
 *
 * Returns whether a string is NULL, the empty string, or completely made up of
 * whitespace characters.
 *
 * Return value: TRUE if the string is empty, FALSE otherwise.
 **/
gboolean
string_is_empty (const char *value)
{
    const char *p;
    gboolean empty;

    empty = TRUE;

    if (value) {
        p = value;
        while (*p) {
            if (!isspace ((unsigned char) *p)) {
                empty = FALSE;
                break;
            }
            p++;
        }
    }
    return empty;

}

/**
 * get_uri_without_password
 */
char *
get_uri_without_password (const char *full_uri)
{
    EUri *uri;
    char *uristr;

    uri = e_uri_new (full_uri);
    if (!uri)
        return NULL;

    uristr = e_uri_to_string (uri, FALSE);
    e_uri_free (uri);

    return uristr;
 }

gint
get_position_in_array (GPtrArray *objects, gpointer item)
{
    gint i;

    for (i = 0; i < objects->len; i++) {
        if (g_ptr_array_index (objects, i) == item)
            return i;
    }

    return -1;
}

char *
calculate_time (time_t start, time_t end)
{
    time_t difference = end - start;
    char *str;
    int   hours, minutes;
    char *times[4];
    char *joined;
    int   i;

        i = 0;
    if (difference >= 3600) {
        hours = difference / 3600;
        difference %= 3600;

        times[i++] = g_strdup_printf (ngettext("%d hour", "%d hours", hours), hours);
    }
    if (difference >= 60) {
        minutes = difference / 60;
        difference %= 60;

        times[i++] = g_strdup_printf (ngettext("%d minute", "%d minutes", minutes), minutes);
    }
    if (i == 0 || difference != 0) {
        /* TRANSLATORS: here, "second" is the time division (like "minute"), not the ordinal number (like "third") */
        times[i++] = g_strdup_printf (ngettext("%d second", "%d seconds", difference), (int)difference);
    }

    times[i] = NULL;
    joined = g_strjoinv (" ", times);
    str = g_strconcat ("(", joined, ")", NULL);
    while (i > 0)
        g_free (times[--i]);
    g_free (joined);

    return str;
}