droidfish/DroidFish/jni/stockfish/ucioption.h
2011-11-12 19:44:06 +00:00

86 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) 2008-2010 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
#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 class OptionsMap;
std::string defaultValue, currentValue, type;
int minValue, maxValue;
size_t idx;
};
/// Custom comparator because UCI options should not be case sensitive
struct CaseInsensitiveLess {
bool operator() (const std::string&, const std::string&) const;
};
/// Our options container is actually a map with a customized c'tor
class OptionsMap : public std::map<std::string, UCIOption, CaseInsensitiveLess> {
public:
OptionsMap();
std::string print_all() const;
};
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)