1 files changed, 41 insertions, 0 deletions
diff --git a/src/Fen.hpp b/src/Fen.hpp
new file mode 100644
index 0000000..a477bb0
--- /dev/null
+++ b/src/Fen.hpp
@@ -0,0 +1,41 @@
+#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