UserSettings.h

   1 /*  UserSettings.h
   2
   3     Copyright (c) 2009, Christopher Faylor
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     A copy of the GNU General Public License can be found at http://www.gnu.org
  11 */
  12
  13 #ifndef SETUP_USERSETTINGS_H
  14 #define SETUP_USERSETTINGS_H
  15
  16 #include <string>
  17 #include "io_stream.h"
  18
  19 class UserSettings
  20 {
  21 private:
  22   struct Element
  23   {
  24     const char *key;
  25     const char *value;
  26   } **table;
  27   ssize_t table_len;
  28
  29   std::string filename;
  30   std::string cwd;
  31
  32 public:
  33   static class UserSettings *global;
  34   UserSettings ();
  35   static UserSettings& instance() {return *global;}
  36
  37   const char *get (const char *);
  38   unsigned int get_index (const char *key);
  39   io_stream *open (const char *); // opens an iostream you can write to set the value of key
  40   const char *set (const char *, const char *);
  41   const char *set (const char *key, const std::string val) {return set (key, val.c_str ());}
  42   void load (std::string local_dir);
  43   void save ();
  44
  45 private:
  46   void extend_table (ssize_t);
  47   io_stream *open_settings (const char *, std::string&);
  48
  49 };
  50
  51 #endif // SETUP_USERSETTINGS_H