source/BotConfig.H

   1 // BotConfig.H  -*- C++ -*-
   2 // Copyright (C) 2004 Clinton Ebadi
   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 // 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  17
  18 /*
  19   Config Database:
  20   map<key,pair<list<string>,list<watcher>>
  21   void watcher (key, options, appended?)
  22
  23 */
  24
  25 #include <map>
  26 #include <list>
  27 #include <string>
  28
  29 class BotConfig
  30 {
  31 public:
  32   typedef std::string t_value;
  33   typedef std::list<t_value> t_value_list;
  34
  35   typedef void (*t_watcher) (std::string, t_value_list, bool);
  36
  37   typedef std::list<t_watcher> t_watcher_list;
  38   typedef std::pair<t_value_list, t_watcher_list> t_option_values;
  39
  40   typedef std::map<std::string, t_option_values> t_options_db;
  41
  42
  43 private:
  44   t_options_db options_db;
  45   std::string config_filename;
  46
  47 public:
  48   BotConfig (std::string);
  49
  50   bool read_config (); // true if read successfully
  51   bool write_config (); // true if written succesfully
  52
  53   // Getters
  54   t_option_values  get_option_values (std::string key);
  55
  56
  57
  58   // Setters
  59   void set_option_value (std::string key, t_value_list values,
  60                          bool append);
  61
  62
  63   std::string set_config_file (std::string new_filename); // returns
  64                                                           // old
  65                                                           // filename
  66
  67   bool add_watcher (std::string key, t_watcher new_watcher); // t if key
  68                                                            // exists,
  69                                                            // f
  70                                                            // otherwise
  71   bool clear_watchers (std::string key); // t if key exists, f
  72                                         // otherwise
  73
  74   // Static Procedures (these are for convinience)
  75   t_value_list get_option_value_list (t_option_values v)
  76   { return v.first; }
  77
  78   t_watcher_list get_option_watcher_list (t_option_values v)
  79   { return v.second; }
  80 };