libs/ardour/session_state_utils.cc

   1 /*
   2         Copyright (C) 2007 Tim Mayberry
   3
   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.
   8
   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.
  13
  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.
  17 */
  18
  19 #include <algorithm>
  20
  21 #include "pbd/compose.h"
  22 #include "pbd/error.h"
  23 #include "pbd/file_utils.h"
  24
  25 #include "ardour/session_state_utils.h"
  26 #include "ardour/filename_extensions.h"
  27
  28 #include "i18n.h"
  29
  30 using namespace std;
  31 using namespace PBD;
  32
  33 namespace ARDOUR {
  34
  35 bool
  36 create_backup_file (const sys::path & file_path)
  37 {
  38         if (!sys::exists (file_path)) return false;
  39
  40         sys::path backup_path(file_path.to_string() + backup_suffix);
  41
  42         try
  43         {
  44                 sys::copy_file (file_path, backup_path);
  45         }
  46         catch(sys::filesystem_error& ex)
  47         {
  48                 error << string_compose (_("Unable to create a backup copy of file %1 (%2)"),
  49                                 file_path.to_string(), ex.what())
  50                         << endmsg;
  51                 return false;
  52         }
  53         return true;
  54 }
  55
  56 void
  57 get_state_files_in_directory (const sys::path & directory_path,
  58                               vector<sys::path> & result)
  59 {
  60         Glib::PatternSpec state_file_pattern('*' + string(statefile_suffix));
  61
  62         find_matching_files_in_directory (directory_path, state_file_pattern,
  63                         result);
  64 }
  65
  66 vector<string>
  67 get_file_names_no_extension (const vector<sys::path> & file_paths)
  68 {
  69         vector<string> result;
  70
  71         std::transform (file_paths.begin(), file_paths.end(),
  72                         std::back_inserter(result), sys::basename);
  73
  74         sort (result.begin(), result.end(), std::less<string>());
  75
  76         return result;
  77 }
  78
  79 } // namespace ARDOUR