path: root/shell/e-shell-utils.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shell-utils.c
 *
 * Copyright (C) 2000  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.
 *
 * 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.
 *
 * Author: Ettore Perazzoli
 */

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

#include <string.h>

#include <glib.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-util.h>
#include <libgnome/gnome-i18n.h>

#include "e-shell-constants.h"
#include "e-shell-utils.h"


static char *
get_icon_path (const char *icon_name)
{
    char *icon_path;

    if (g_path_is_absolute (icon_name))
        icon_path = g_strdup (icon_name);
    else
        icon_path = g_concat_dir_and_file (EVOLUTION_IMAGES, icon_name);

    if (g_file_exists (icon_path)) {
        return icon_path;
    } else {
        g_free (icon_path);
        return NULL;
    }
}

static char *
get_mini_name (const char *icon_name)
{
    const char *dot_ptr;
    const char *basename;
    char *name_without_extension;
    char *mini_name;

    basename = g_basename (icon_name);
    if (basename == NULL)
        return NULL;

    dot_ptr = strrchr (basename, '.');

    if (dot_ptr == NULL) {
        /* No extension.  */
        return g_strconcat (icon_name, E_SHELL_MINI_ICON_SUFFIX, NULL);
    }

    name_without_extension = g_strndup (icon_name, dot_ptr - icon_name);
    mini_name = g_strconcat (name_without_extension, E_SHELL_MINI_ICON_SUFFIX,
                 dot_ptr, NULL);
    g_free (name_without_extension);

    return mini_name;
}


char *
e_shell_get_icon_path (const char *icon_name,
               gboolean try_mini)
{
    if (try_mini) {
        char *path;
        char *mini_name;

        mini_name = get_mini_name (icon_name);
        if (mini_name == NULL) {
            path = NULL;
        } else {
            path = get_icon_path (mini_name);
            g_free (mini_name);
        }

        if (path != NULL)
            return path;
    }

    return get_icon_path (icon_name);
}


gboolean
e_shell_folder_name_is_valid (const char *name,
                  const char **reason_return)
{
    if (name == NULL || *name == '\0') {
        if (reason_return != NULL)
            *reason_return = _("No folder name specified.");
        return FALSE;
    }
    
    /* GtkEntry is broken - if you hit KP_ENTER you get a \r inserted... */
    if (strchr (name, '\r')) {
        if (reason_return != NULL)
            *reason_return = _("Folder name cannot contain the Return character.");
        return FALSE;
    }
    
    if (strchr (name, G_DIR_SEPARATOR) != NULL) {
        if (reason_return != NULL)
            *reason_return = _("Folder name cannot contain slashes.");
        return FALSE;
    }
    
    if (strcmp (name, ".") == 0 || strcmp (name, "..") == 0) {
        if (reason_return != NULL)
            *reason_return = _("'.' and '..' are reserved folder names.");
        return FALSE;
    }

    *reason_return = NULL;
    
    return TRUE;
}