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75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
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Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
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Stockfish is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Stockfish is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(UCIOPTION_H_INCLUDED)
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#define UCIOPTION_H_INCLUDED
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#include <cassert>
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#include <cstdlib>
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#include <map>
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#include <string>
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struct OptionsMap;
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/// UCIOption class implements an option as defined by UCI protocol
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class UCIOption {
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public:
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UCIOption() {} // Required by std::map::operator[]
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UCIOption(const char* v);
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UCIOption(bool v, std::string type = "check");
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UCIOption(int v, int min, int max);
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void operator=(const std::string& v);
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void operator=(bool v) { *this = std::string(v ? "true" : "false"); }
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operator int() const {
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assert(type == "check" || type == "button" || type == "spin");
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return (type == "spin" ? atoi(currentValue.c_str()) : currentValue == "true");
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}
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operator std::string() const {
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assert(type == "string");
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return currentValue;
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}
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private:
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friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
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std::string defaultValue, currentValue, type;
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int min, max;
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size_t idx;
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};
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/// Custom comparator because UCI options should be case insensitive
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struct CaseInsensitiveLess {
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bool operator() (const std::string&, const std::string&) const;
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};
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/// Our options container is actually a map with a customized c'tor
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struct OptionsMap : public std::map<std::string, UCIOption, CaseInsensitiveLess> {
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OptionsMap();
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};
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extern std::ostream& operator<<(std::ostream&, const OptionsMap&);
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extern OptionsMap Options;
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#endif // !defined(UCIOPTION_H_INCLUDED)
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