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.
27 #include <glibmm/miscutils.h>
29 #include "pbd/compose.h"
30 #include "pbd/pathexpand.h"
31 #include "pbd/error.h"
33 #include "ardour/filename_extensions.h"
34 #include "ardour/utils.h"
35 #include "ardour/session_utils.h"
45 find_session (string str, string& path, string& snapshot, bool& isnew)
51 str = canonical_path (str);
53 /* check to see if it exists, and what it is */
55 if (stat (str.c_str(), &statbuf)) {
56 if (errno == ENOENT) {
59 error << string_compose (_("cannot check session path %1 (%2)"), str, strerror (errno))
67 /* it exists, so it must either be the name
68 of the directory, or the name of the statefile
72 if (S_ISDIR (statbuf.st_mode)) {
74 string::size_type slash = str.find_last_of (G_DIR_SEPARATOR);
76 if (slash == string::npos) {
78 /* a subdirectory of cwd, so statefile should be ... */
80 string tmp = Glib::build_filename (str, str+statefile_suffix);
84 if (stat (tmp.c_str(), &statbuf)) {
85 error << string_compose (_("cannot check statefile %1 (%2)"), tmp, strerror (errno))
95 /* some directory someplace in the filesystem.
96 the snapshot name is the directory name
101 snapshot = str.substr (slash+1);
105 } else if (S_ISREG (statbuf.st_mode)) {
107 string::size_type slash = str.find_last_of (G_DIR_SEPARATOR);
108 string::size_type suffix;
110 /* remove the suffix */
112 if (slash != string::npos) {
113 snapshot = str.substr (slash+1);
118 suffix = snapshot.find (statefile_suffix);
120 const string::size_type start_pos_of_extension = snapshot.size () - strlen (statefile_suffix);
121 // we should check the start of extension position
122 // because files '*.ardour.bak' are possible
123 if (suffix != start_pos_of_extension) {
124 error << string_compose (_("%1 is not a snapshot file"), str) << endmsg;
130 snapshot = snapshot.substr (0, suffix);
132 if (slash == string::npos) {
134 /* we must be in the directory where the
135 statefile lives. get it using cwd().
138 char cwd[PATH_MAX+1];
140 if (getcwd (cwd, sizeof (cwd)) == 0) {
141 error << string_compose (_("cannot determine current working directory (%1)"), strerror (errno))
150 /* full path to the statefile */
152 path = str.substr (0, slash);
157 /* what type of file is it? */
158 error << string_compose (_("unknown file type for session %1"), str) << endmsg;
164 /* its the name of a new directory. get the name
168 string::size_type slash = str.find_last_of (G_DIR_SEPARATOR);
170 if (slash == string::npos) {
172 /* no slash, just use the name, but clean it up */
174 path = legalize_for_path (str);
180 snapshot = str.substr (slash+1);
187 } // namespace ARDOUR