/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2013 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#if !defined(UCIOPTION_H_INCLUDED)
+#ifndef UCIOPTION_H_INCLUDED
#define UCIOPTION_H_INCLUDED
-#include <cassert>
-#include <cstdlib>
#include <map>
#include <string>
+namespace UCI {
+
+class Option;
+
+/// 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 std::map
+typedef std::map<std::string, Option, CaseInsensitiveLess> OptionsMap;
+
+/// Option class implements an option as defined by UCI protocol
class Option {
+
+ typedef void (Fn)(const Option&);
+
public:
- Option(); // To allow insertion in a std::map
- Option(const char* defaultValue, std::string type = "string");
- Option(bool defaultValue, std::string type = "check");
- Option(int defaultValue, int minValue, int maxValue);
+ Option(Fn* = NULL);
+ Option(bool v, Fn* = NULL);
+ Option(const char* v, Fn* = NULL);
+ Option(int v, int min, int max, Fn* = NULL);
- void set_value(const std::string& value);
- template<typename T> T value() const;
+ Option& operator=(const std::string& v);
+ operator int() const;
+ operator std::string() const;
private:
- friend void init_uci_options();
- friend void print_uci_options();
+ friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
std::string defaultValue, currentValue, type;
+ int min, max;
size_t idx;
- int minValue, maxValue;
+ Fn* on_change;
};
-template<typename T>
-inline T Option::value() const {
-
- assert(type != "UNDEFINED");
- return T(atoi(currentValue.c_str()));
-}
-
-template<>
-inline std::string Option::value<std::string>() const {
-
- assert(type != "UNDEFINED");
- return currentValue;
-}
+void init(OptionsMap&);
+void loop(const std::string&);
-typedef std::map<std::string, Option> OptionsMap;
+} // namespace UCI
-extern OptionsMap Options;
-extern void init_uci_options();
-extern void print_uci_options();
+extern UCI::OptionsMap Options;
-#endif // !defined(UCIOPTION_H_INCLUDED)
+#endif // #ifndef UCIOPTION_H_INCLUDED