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#include <iostream>
#include <sstream>
#include <string>
#define IS_DIGIT(c) \
(c == '0' || c == '1' || c == '2' || c == '3' || c == '4' || c == '5' || \
c == '6' || c == '7' || c == '8' || c == '9')
#define IS_BLANK(c) (c == ' ' || c == '\n' || c == '\t' || c == '\r')
namespace chessarbiter {
class FEN {
public:
std::string board;
bool player;
bool white_castle_short;
bool white_castle_long;
bool black_castle_short;
bool black_castle_long;
std::string en_passant;
short halfmove;
short move;
FEN()
: board(""), player(false), white_castle_short(true),
white_castle_long(true), black_castle_short(true),
black_castle_long(true), en_passant("-"), halfmove(0), move(1) {}
};
class FENParser {
private:
static std::string normalize_rank(std::string fen_rank);
static char NextToken(std::string fen, char loc);
static char NextRank(std::string fen, char loc);
public:
/// @brief Parse a FEN from a string
static FEN Parse(std::string);
/// @brief Generate a fen string from the FEN object
static std::string Serialize(FEN fen);
};
} // namespace chessarbiter
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