droidfish/DroidFish/jni/stockfish/ucioption.h
2012-01-01 00:52:19 +00:00

75 lines
2.2 KiB
C++

/*
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
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
#include <cassert>
#include <cstdlib>
#include <map>
#include <string>
struct OptionsMap;
/// UCIOption class implements an option as defined by UCI protocol
class UCIOption {
public:
UCIOption() {} // Required by std::map::operator[]
UCIOption(const char* v);
UCIOption(bool v, std::string type = "check");
UCIOption(int v, int min, int max);
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 std::ostream& operator<<(std::ostream&, const OptionsMap&);
std::string defaultValue, currentValue, type;
int min, max;
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();
};
extern std::ostream& operator<<(std::ostream&, const OptionsMap&);
extern OptionsMap Options;
#endif // !defined(UCIOPTION_H_INCLUDED)