86 lines
1.7 KiB
C++
86 lines
1.7 KiB
C++
/*
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Glaurung, a UCI chess playing engine.
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Copyright (C) 2004-2008 Tord Romstad
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Glaurung 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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Glaurung 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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////
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//// Includes
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////
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#include <cassert>
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#include <cstdio>
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#include <string>
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#include "square.h"
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////
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//// Functions
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////
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/// Translating files, ranks and squares to/from characters and strings:
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File file_from_char(char c) {
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return File(c - 'a') + FILE_A;
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}
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char file_to_char(File f) {
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return char(f - FILE_A) + 'a';
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}
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Rank rank_from_char(char c) {
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return Rank(c - '1') + RANK_1;
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}
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char rank_to_char(Rank r) {
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return char(r - RANK_1) + '1';
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}
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Square square_from_string(const std::string &str) {
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return make_square(file_from_char(str[0]), rank_from_char(str[1]));
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}
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const std::string square_to_string(Square s) {
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std::string str;
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str += file_to_char(square_file(s));
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str += rank_to_char(square_rank(s));
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return str;
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}
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/// file_is_ok(), rank_is_ok() and square_is_ok(), for debugging:
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bool file_is_ok(File f) {
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return f >= FILE_A && f <= FILE_H;
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}
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bool rank_is_ok(Rank r) {
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return r >= RANK_1 && r <= RANK_8;
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}
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bool square_is_ok(Square s) {
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return file_is_ok(square_file(s)) && rank_is_ok(square_rank(s));
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}
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