2 Copyright (C) 2012 Paul Davis
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
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "pbd/gstdio_compat.h"
28 #include <glibmm/miscutils.h>
30 #include "pbd/compose.h"
31 #include "pbd/pathexpand.h"
32 #include "pbd/error.h"
34 #include "ardour/filename_extensions.h"
35 #include "ardour/utils.h"
36 #include "ardour/session_utils.h"
46 find_session (string str, string& path, string& snapshot, bool& isnew)
52 str = canonical_path (str);
54 /* check to see if it exists, and what it is */
56 if (g_stat (str.c_str(), &statbuf)) {
57 if (errno == ENOENT) {
60 error << string_compose (_("cannot check session path %1 (%2)"), str, strerror (errno))
68 /* it exists, so it must either be the name
69 of the directory, or the name of the statefile
73 if (S_ISDIR (statbuf.st_mode)) {
75 string::size_type slash = str.find_last_of (G_DIR_SEPARATOR);
77 if (slash == string::npos) {
79 /* a subdirectory of cwd, so statefile should be ... */
81 string tmp = Glib::build_filename (str, str+statefile_suffix);
85 if (g_stat (tmp.c_str(), &statbuf)) {
86 error << string_compose (_("cannot check statefile %1 (%2)"), tmp, strerror (errno))
96 /* some directory someplace in the filesystem.
97 the snapshot name is the directory name
102 snapshot = str.substr (slash+1);
106 } else if (S_ISREG (statbuf.st_mode)) {
108 string::size_type slash = str.find_last_of (G_DIR_SEPARATOR);
109 string::size_type suffix;
111 /* remove the suffix */
113 if (slash != string::npos) {
114 snapshot = str.substr (slash+1);
119 suffix = snapshot.find (statefile_suffix);
121 const string::size_type start_pos_of_extension = snapshot.size () - strlen (statefile_suffix);
122 // we should check the start of extension position
123 // because files '*.ardour.bak' are possible
124 if (suffix != start_pos_of_extension) {
125 error << string_compose (_("%1 is not a snapshot file"), str) << endmsg;
131 snapshot = snapshot.substr (0, suffix);
133 if (slash == string::npos) {
135 /* we must be in the directory where the
136 statefile lives. get it using cwd().
139 char cwd[PATH_MAX+1];
141 if (getcwd (cwd, sizeof (cwd)) == 0) {
142 error << string_compose (_("cannot determine current working directory (%1)"), strerror (errno))
151 /* full path to the statefile */
153 path = str.substr (0, slash);
158 /* what type of file is it? */
159 error << string_compose (_("unknown file type for session %1"), str) << endmsg;
165 /* its the name of a new directory. get the name
169 string::size_type slash = str.find_last_of (G_DIR_SEPARATOR);
171 if (slash == string::npos) {
173 /* no slash, just use the name, but clean it up */
175 path = legalize_for_path (str);
181 snapshot = str.substr (slash+1);
188 } // namespace ARDOUR