/*
- Glaurung, a UCI chess playing engine.
- Copyright (C) 2004-2008 Tord Romstad
+ Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+ Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+ Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
- Glaurung is free software: you can redistribute it and/or modify
+ Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
-
- Glaurung is distributed in the hope that it will be useful,
+
+ Stockfish is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
#if !defined(UCIOPTION_H_INCLUDED)
#define UCIOPTION_H_INCLUDED
-////
-//// Includes
-////
-
+#include <cassert>
+#include <cstdlib>
+#include <map>
#include <string>
+struct OptionsMap;
+
+/// UCIOption class implements an option as defined by UCI protocol
+class UCIOption {
+
+ typedef void (Fn)(const UCIOption&);
+
+public:
+ UCIOption(Fn* = NULL);
+ UCIOption(bool v, Fn* = NULL);
+ UCIOption(const char* v, Fn* = NULL);
+ UCIOption(int v, int min, int max, Fn* = NULL);
+
+ UCIOption& operator=(const std::string& v);
+
+ operator int() const {
+ assert(type == "check" || type == "spin");
+ return (type == "spin" ? atoi(currentValue.c_str()) : currentValue == "true");
+ }
+
+ operator std::string() const {
+ assert(type == "string");
+ return currentValue;
+ }
+
+private:
+ friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
-////
-//// Variables
-////
+ std::string defaultValue, currentValue, type;
+ int min, max;
+ size_t idx;
+ Fn* on_change;
+};
-extern bool Chess960;
+/// Custom comparator because UCI options should be case insensitive
+struct CaseInsensitiveLess {
+ bool operator() (const std::string&, const std::string&) const;
+};
-////
-//// Prototypes
-////
-extern void init_uci_options();
-extern void print_uci_options();
-extern bool get_option_value_bool(const std::string &optionName);
-extern int get_option_value_int(const std::string &optionName);
-extern const std::string get_option_value_string(const std::string &optionName);
-extern bool button_was_pressed(const std::string &buttonName);
-extern void set_option_value(const std::string &optionName,
- const std::string &newValue);
-extern void push_button(const std::string &buttonName);
+/// Our options container is actually a map with a customized c'tor
+struct OptionsMap : public std::map<std::string, UCIOption, CaseInsensitiveLess> {
+ OptionsMap();
+};
+extern std::ostream& operator<<(std::ostream&, const OptionsMap&);
+extern OptionsMap Options;
#endif // !defined(UCIOPTION_H_INCLUDED)