libs/ardour/recent_sessions.cc

   1 /*
   2     Copyright (C) 2004 Paul Davis
   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
  20 #include <cstring>
  21 #include <cerrno>
  22 #include <unistd.h>
  23 #include <fstream>
  24 #include <algorithm>
  25
  26 #include <glibmm/miscutils.h>
  27
  28 #include "pbd/error.h"
  29
  30 #include "ardour/configuration.h"
  31 #include "ardour/filesystem_paths.h"
  32 #include "ardour/recent_sessions.h"
  33 #include "ardour/utils.h"
  34
  35 #include "i18n.h"
  36
  37 using namespace std;
  38 using namespace ARDOUR;
  39 using namespace PBD;
  40
  41 namespace {
  42
  43         const char * const recent_file_name = "recent";
  44
  45 } // anonymous
  46
  47 int
  48 ARDOUR::read_recent_sessions (RecentSessions& rs)
  49 {
  50         sys::path recent_file_path(user_config_directory());
  51
  52         recent_file_path /= recent_file_name;
  53
  54         const string path = recent_file_path.to_string();
  55
  56         ifstream recent (path.c_str());
  57
  58         if (!recent) {
  59                 if (errno != ENOENT) {
  60                         error << string_compose (_("cannot open recent session file %1 (%2)"), path, strerror (errno)) << endmsg;
  61                         return -1;
  62                 } else {
  63                         return 1;
  64                 }
  65         }
  66
  67         while (true) {
  68
  69                 pair<string,string> newpair;
  70
  71                 getline(recent, newpair.first);
  72
  73                 if (!recent.good()) {
  74                         break;
  75                 }
  76
  77                 getline(recent, newpair.second);
  78
  79                 if (!recent.good()) {
  80                         break;
  81                 }
  82
  83                 rs.push_back (newpair);
  84         }
  85
  86         /* display sorting should be done in the GUI, otherwise the
  87          * natural order will be broken
  88          */
  89
  90         return 0;
  91 }
  92
  93 int
  94 ARDOUR::write_recent_sessions (RecentSessions& rs)
  95 {
  96         sys::path recent_file_path(user_config_directory());
  97
  98         recent_file_path /= recent_file_name;
  99
 100         const string path = recent_file_path.to_string();
 101
 102         ofstream recent (path.c_str());
 103
 104         if (!recent) {
 105                 return -1;
 106         }
 107
 108         for (RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
 109                 recent << (*i).first << '\n' << (*i).second << endl;
 110         }
 111
 112         return 0;
 113 }
 114
 115 int
 116 ARDOUR::store_recent_sessions (string name, string path)
 117 {
 118         RecentSessions rs;
 119
 120         if (ARDOUR::read_recent_sessions (rs) < 0) {
 121                 return -1;
 122         }
 123
 124         pair<string,string> newpair;
 125
 126         newpair.first = name;
 127         newpair.second = path;
 128
 129         rs.erase(remove(rs.begin(), rs.end(), newpair), rs.end());
 130
 131         rs.push_front (newpair);
 132
 133         if (rs.size() > 10) {
 134                 rs.erase(rs.begin()+10, rs.end());
 135         }
 136
 137         return ARDOUR::write_recent_sessions (rs);
 138 }
 139