2 Stockfish, a UCI chess playing engine derived from Glaurung 2.1
3 Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
4 Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
6 Stockfish is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 Stockfish is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #if !defined(UCIOPTION_H_INCLUDED)
21 #define UCIOPTION_H_INCLUDED
30 /// UCIOption class implements an option as defined by UCI protocol
33 UCIOption() {} // Required by std::map::operator[]
34 UCIOption(const char* v);
35 UCIOption(bool v, std::string type = "check");
36 UCIOption(int v, int min, int max);
38 template<typename T> T value() const;
39 void operator=(const std::string& v);
40 void operator=(bool v) { *this = std::string(v ? "true" : "false"); }
43 friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
45 std::string defaultValue, currentValue, type;
51 /// UCIOption::value() definition and specializations
53 T UCIOption::value() const {
55 assert(type == "spin");
56 return T(atoi(currentValue.c_str()));
60 inline std::string UCIOption::value<std::string>() const {
62 assert(type == "string");
67 inline bool UCIOption::value<bool>() const {
69 assert(type == "check" || type == "button");
70 return currentValue == "true";
74 /// Custom comparator because UCI options should be case insensitive
75 struct CaseInsensitiveLess {
76 bool operator() (const std::string&, const std::string&) const;
80 /// Our options container is actually a map with a customized c'tor
81 struct OptionsMap : public std::map<std::string, UCIOption, CaseInsensitiveLess> {
85 extern std::ostream& operator<<(std::ostream&, const OptionsMap&);
86 extern OptionsMap Options;
88 #endif // !defined(UCIOPTION_H_INCLUDED)