/*
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) 2008-2012 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
#include <map>
#include <string>
+struct OptionsMap;
+
+/// UCIOption class implements an option as defined by UCI protocol
class UCIOption {
+
+ typedef void (Fn)(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);
+ UCIOption() {} // Required by std::map::operator[]
+ UCIOption(const char* v, Fn* = NULL);
+ UCIOption(bool v, Fn* = NULL);
+ UCIOption(int v, int min, int max, Fn* = NULL);
- void set_value(const std::string& v);
- template<typename T> T value() const;
+ void operator=(const std::string& v);
+ void operator=(bool v) { *this = std::string(v ? "true" : "false"); }
+
+ operator int() const {
+ assert(type == "check" || type == "button" || type == "spin");
+ return (type == "spin" ? atoi(currentValue.c_str()) : currentValue == "true");
+ }
+
+ operator std::string() const {
+ assert(type == "string");
+ return currentValue;
+ }
private:
- friend struct OptionsMap;
+ friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
std::string defaultValue, currentValue, type;
- int minValue, maxValue;
+ int min, max;
size_t idx;
+ Fn* on_change;
};
/// Our options container is actually a map with a customized c'tor
-struct OptionsMap : std::map<std::string, UCIOption, CaseInsensitiveLess> {
+struct OptionsMap : public std::map<std::string, UCIOption, CaseInsensitiveLess> {
OptionsMap();
- std::string print_all() const;
};
+extern std::ostream& operator<<(std::ostream&, const OptionsMap&);
extern OptionsMap Options;
-
-/// Option::value() definition and specializations
-template<typename T>
-T UCIOption::value() const {
-
- assert(type == "spin");
- return T(atoi(currentValue.c_str()));
-}
-
-template<>
-inline std::string UCIOption::value<std::string>() const {
-
- assert(type == "string");
- return currentValue;
-}
-
-template<>
-inline bool UCIOption::value<bool>() const {
-
- assert(type == "check" || type == "button");
- return currentValue == "true";
-}
-
#endif // !defined(UCIOPTION_H_INCLUDED)