2 * Copyright (C) 2000-2015 Paul Davis <paul@linuxaudiosystems.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include "pbd/shortpath.h"
26 short_path (const Glib::ustring& path, ustring::size_type target_characters)
28 ustring::size_type last_sep;
29 ustring::size_type len = path.length();
30 const char separator = '/';
32 if (len <= target_characters) {
36 if ((last_sep = path.find_last_of (separator)) == ustring::npos) {
38 /* just a filename, but its too long anyway */
40 if (target_characters > 3) {
41 return path.substr (0, target_characters - 3) + ustring ("...");
43 /* stupid caller, just hand back the whole thing */
48 if (len - last_sep >= target_characters) {
50 /* even the filename itself is too long */
52 if (target_characters > 3) {
53 return path.substr (last_sep+1, target_characters - 3) + ustring ("...");
55 /* stupid caller, just hand back the whole thing */
60 uint32_t so_far = (len - last_sep);
61 uint32_t space_for = target_characters - so_far;
65 res += path.substr (last_sep - space_for);
68 /* remove part of the end */
70 res += path.substr (last_sep - space_for, len - last_sep + space_for - 3);