/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
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.
-
+
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>
+class UCIOption {
+public:
+ UCIOption() {} // To be used in a std::map
+ UCIOption(const char* defaultValue);
+ UCIOption(bool defaultValue, std::string type = "check");
+ UCIOption(int defaultValue, int minValue, int maxValue);
+
+ void set_value(const std::string& v);
+ template<typename T> T value() const;
+
+private:
+ friend struct OptionsMap;
+
+ std::string defaultValue, currentValue, type;
+ int minValue, maxValue;
+ size_t idx;
+};
+
+
+/// Custom comparator because UCI options should be case insensitive
+struct CaseInsensitiveLess {
+ bool operator() (const std::string&, const std::string&) const;
+};
+
+
+/// Our options container is actually a map with a customized c'tor
+struct OptionsMap : public std::map<std::string, UCIOption, CaseInsensitiveLess> {
+ OptionsMap();
+ std::string print_all() const;
+};
+
+extern OptionsMap Options;
+
-////
-//// Variables
-////
+/// Option::value() definition and specializations
+template<typename T>
+T UCIOption::value() const {
-extern bool Chess960;
+ assert(type == "spin");
+ return T(atoi(currentValue.c_str()));
+}
+template<>
+inline std::string UCIOption::value<std::string>() const {
-////
-//// Prototypes
-////
+ assert(type == "string");
+ return currentValue;
+}
-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);
+template<>
+inline bool UCIOption::value<bool>() const {
+ assert(type == "check" || type == "button");
+ return currentValue == "true";
+}
#endif // !defined(UCIOPTION_H_INCLUDED)