| 1 | // BotConfig.C -*- C++ -*- |
| 2 | // Copyright (C) 2004,2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | |
| 18 | #include "BotConfig.H" |
| 19 | #include "Bot.H" |
| 20 | #include "StringTokenizer.H" |
| 21 | #include "Utils.H" |
| 22 | #include <iostream> |
| 23 | #include <string> |
| 24 | #include <list> |
| 25 | #include <algorithm> |
| 26 | |
| 27 | BotConfig::BotConfig (std::string cf) |
| 28 | : config_filename (cf) |
| 29 | { } |
| 30 | |
| 31 | bool |
| 32 | BotConfig::read_config () |
| 33 | { |
| 34 | std::ifstream config_file (config_filename.c_str ()); |
| 35 | std::string current_line; |
| 36 | unsigned int line_number = 1; |
| 37 | |
| 38 | options_db.clear (); |
| 39 | |
| 40 | if (!config_file) |
| 41 | { |
| 42 | // FIXME: log lines (needs local bot object, probably a |
| 43 | // redesign. UGH). |
| 44 | |
| 45 | // Bot::logLine ("Error: Config File Not Found `" + |
| 46 | // config_filename + "'"); |
| 47 | return false; |
| 48 | } |
| 49 | |
| 50 | while (!config_file.eof ()) |
| 51 | { |
| 52 | std::getline (config_file, current_line); |
| 53 | if (current_line.length () == 0 || current_line[0] == '#') |
| 54 | { |
| 55 | line_number++; |
| 56 | continue; |
| 57 | } |
| 58 | |
| 59 | StringTokenizer st (current_line); |
| 60 | std::string command = Utils::to_upper (Utils::trim_str(st.next_token('='))); |
| 61 | StringTokenizer params (Utils::trim_str (st.next_token('='))); |
| 62 | |
| 63 | set_option_value (command, params.rest (), true); |
| 64 | } |
| 65 | return true; |
| 66 | } |
| 67 | |
| 68 | |
| 69 | BotConfig::t_option_values |
| 70 | BotConfig::get_option_values (std::string key) |
| 71 | { |
| 72 | t_options_db::const_iterator cf_iter = |
| 73 | options_db.find (key); |
| 74 | |
| 75 | if (cf_iter != options_db.end ()) |
| 76 | return cf_iter->second; |
| 77 | else |
| 78 | return t_option_values (); // Empty vector |
| 79 | } |
| 80 | |
| 81 | std::string |
| 82 | BotConfig::set_config_file (std::string fname) |
| 83 | { |
| 84 | std::string old_config_filename = config_filename; |
| 85 | config_filename = fname; |
| 86 | options_db.clear (); |
| 87 | read_config (); |
| 88 | return old_config_filename; |
| 89 | } |
| 90 | |
| 91 | namespace |
| 92 | { |
| 93 | struct push_back_ |
| 94 | { |
| 95 | BotConfig::t_value_list* lst; |
| 96 | |
| 97 | push_back_ (BotConfig::t_value_list* l) |
| 98 | : lst (l) |
| 99 | {} |
| 100 | |
| 101 | void operator() (BotConfig::t_value val) |
| 102 | { |
| 103 | lst->push_back (val); |
| 104 | } |
| 105 | }; |
| 106 | |
| 107 | struct run_fun_ |
| 108 | { |
| 109 | std::string key; |
| 110 | BotConfig::t_value_list& vals; |
| 111 | bool appended; |
| 112 | |
| 113 | run_fun_ (std::string k, BotConfig::t_value_list& vl, bool a) |
| 114 | : key (k), vals (vl), appended (a) |
| 115 | { } |
| 116 | void operator() (BotConfig::t_watcher w) |
| 117 | { |
| 118 | w (key, vals, appended); |
| 119 | } |
| 120 | }; |
| 121 | } |
| 122 | |
| 123 | void |
| 124 | BotConfig::set_option_value (std::string key, t_value_list values, |
| 125 | bool append) |
| 126 | { |
| 127 | key = Utils::to_upper (key); // keys are case insensitive |
| 128 | t_options_db::iterator cf_iter = options_db.find (key); |
| 129 | |
| 130 | |
| 131 | if (cf_iter != options_db.end ()) |
| 132 | { |
| 133 | if (append) |
| 134 | { |
| 135 | // FIXME: Potentially slow (make this push_front in 3.0) |
| 136 | std::for_each (values.begin (), values.end (), |
| 137 | push_back_ (&cf_iter->second.first)); |
| 138 | } |
| 139 | else |
| 140 | cf_iter->second.first = values; |
| 141 | |
| 142 | // call watchers |
| 143 | std::for_each (cf_iter->second.second.begin (), |
| 144 | cf_iter->second.second.end (), |
| 145 | run_fun_ (key, values, append)); |
| 146 | } |
| 147 | else |
| 148 | options_db[key] = t_option_values (values, t_watcher_list ()); |
| 149 | } |
| 150 | |
| 151 | void |
| 152 | BotConfig::set_option_value (std::string key, t_value value, bool append) |
| 153 | { |
| 154 | t_value_list value_list = t_value_list (); |
| 155 | value_list.push_front (value); |
| 156 | |
| 157 | set_option_value (key, value_list, append); |
| 158 | } |
| 159 | |
| 160 | bool |
| 161 | BotConfig::add_watcher (std::string key, t_watcher new_watcher) |
| 162 | { |
| 163 | t_options_db::iterator cf_iter = options_db.find (key); |
| 164 | |
| 165 | if (cf_iter != options_db.end ()) |
| 166 | { |
| 167 | cf_iter->second.second.push_front (new_watcher); |
| 168 | return true; |
| 169 | } |
| 170 | else |
| 171 | return false; |
| 172 | } |