/*
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>
-class Option {
-public:
- Option() {} // To allow insertion in a std::map
- Option(const char* defaultValue);
- Option(bool defaultValue, std::string type = "check");
- Option(int defaultValue, int minValue, int maxValue);
+struct OptionsMap;
- void set_value(const std::string& value);
- template<typename T> T value() const;
+/// UCIOption class implements an option as defined by UCI protocol
+class UCIOption {
-private:
- friend void init_uci_options();
- friend void print_uci_options();
+ typedef void (Fn)(UCIOption&);
- std::string defaultValue, currentValue, type;
- size_t idx;
- int minValue, maxValue;
-};
-
-template<typename T>
-inline T Option::value() const {
+public:
+ 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);
- assert(type == "spin");
- return T(atoi(currentValue.c_str()));
-}
+ void operator=(const std::string& v);
+ void operator=(bool v) { *this = std::string(v ? "true" : "false"); }
-template<>
-inline std::string Option::value<std::string>() const {
+ operator int() const {
+ assert(type == "check" || type == "button" || type == "spin");
+ return (type == "spin" ? atoi(currentValue.c_str()) : currentValue == "true");
+ }
- assert(type == "string");
- return currentValue;
-}
+ operator std::string() const {
+ assert(type == "string");
+ return currentValue;
+ }
-template<>
-inline bool Option::value<bool>() const {
+private:
+ friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
- assert(type == "check" || type == "button");
- return currentValue == "true";
-}
+ std::string defaultValue, currentValue, type;
+ int min, max;
+ size_t idx;
+ Fn* on_change;
+};
-// Custom comparator because UCI options should not be case sensitive
+/// Custom comparator because UCI options should be case insensitive
struct CaseInsensitiveLess {
bool operator() (const std::string&, const std::string&) const;
};
-typedef std::map<std::string, Option, CaseInsensitiveLess> OptionsMap;
+/// 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;
-extern void init_uci_options();
-extern void print_uci_options();
#endif // !defined(UCIOPTION_H_INCLUDED)