77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
/*
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Copyright (C) 2000-2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdint.h>
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#include "pbd/shortpath.h"
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using namespace Glib;
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using namespace std;
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ustring
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short_path (const Glib::ustring& path, ustring::size_type target_characters)
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{
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ustring::size_type last_sep;
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ustring::size_type len = path.length();
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const char separator = '/';
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if (len <= target_characters) {
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return path;
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}
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if ((last_sep = path.find_last_of (separator)) == ustring::npos) {
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/* just a filename, but its too long anyway */
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if (target_characters > 3) {
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return path.substr (0, target_characters - 3) + ustring ("...");
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} else {
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/* stupid caller, just hand back the whole thing */
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return path;
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}
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}
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if (len - last_sep >= target_characters) {
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/* even the filename itself is too long */
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if (target_characters > 3) {
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return path.substr (last_sep+1, target_characters - 3) + ustring ("...");
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} else {
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/* stupid caller, just hand back the whole thing */
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return path;
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}
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}
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uint32_t so_far = (len - last_sep);
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uint32_t space_for = target_characters - so_far;
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if (space_for >= 3) {
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ustring res = "...";
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res += path.substr (last_sep - space_for);
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return res;
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} else {
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/* remove part of the end */
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ustring res = "...";
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res += path.substr (last_sep - space_for, len - last_sep + space_for - 3);
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res += "...";
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return res;
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}
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}
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