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11491e7)
No functional change.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
/// Translating piece types to/from English piece letters
/// Translating piece types to/from English piece letters
-static const char PieceChars[] = " pnbrqk";
+static const string PieceChars(" pnbrqk PNBRQK");
char piece_type_to_char(PieceType pt, bool upcase) {
char piece_type_to_char(PieceType pt, bool upcase) {
- return char(upcase? toupper(PieceChars[pt]) : PieceChars[pt]);
+
+ return PieceChars[pt + upcase * 7];
}
PieceType piece_type_from_char(char c) {
}
PieceType piece_type_from_char(char c) {
- const char* ch = strchr(PieceChars, tolower(c));
- return ch? PieceType(ch - PieceChars) : NO_PIECE_TYPE;
+
+ size_t idx = PieceChars.find(c);
+
+ return idx != string::npos ? PieceType(idx % 7) : NO_PIECE_TYPE;