path_manager.hxx

   1 //  $Id: path_manager.hxx,v 1.1 2003/07/25 11:07:44 grumbel Exp $
   2 //
   3 //  Pingus - A free Lemmings clone
   4 //  Copyright (C) 2000 Ingo Ruhnke <grumbel@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #ifndef HEADER_PINGUS_PATH_MANAGER_HXX
  21 #define HEADER_PINGUS_PATH_MANAGER_HXX
  22
  23 #include <string>
  24 #include <list>
  25
  26 class PathManager
  27 {
  28 private:
  29   std::list<std::string> path_list;
  30   typedef std::list<std::string>::const_iterator PathIter;
  31
  32   bool path_found;
  33   std::string base_path;
  34 public:
  35   PathManager ();
  36   ~PathManager ();
  37
  38   /** Search for a path which contains all the files given in
  39       file_list */
  40   bool find_path (const std::list<std::string>& file_list);
  41
  42   /** Search for a path which contains the file 'file' */
  43   bool find_path (const std::string& file);
  44
  45   /** Set the path directly without using find_path/add_path
  46       Must include trailing slash */
  47   void set_path (const std::string& path);
  48
  49   /** Add a path to the search list */
  50   void add_path (const std::string& path);
  51
  52   std::string get_base_path () { return base_path; }
  53
  54   /** Complete a releative path to the absolute path, the returned
  55       path contains a trailing slash */
  56   std::string complete (const std::string& relative_path);
  57
  58 private:
  59   PathManager (const PathManager&);
  60   PathManager& operator= (const PathManager&);
  61 };
  62
  63 extern PathManager path_manager;
  64
  65 #endif
  66
  67 /* EOF */