exceptions.hpp

#ifndef _TARTAN_CHESS_EXCEPTIONS_HPP_
#define _TARTAN_CHESS_EXCEPTIONS_HPP_
 
#include <tartan/chess.hpp>
#include <tartan/board/exceptions.hpp>
 
#include <string>
 
namespace tt::chess::ex {
 
class duplicate_king : public tt::ex::bad_piece {
public:
    duplicate_king(
        const Piece* p, 
        const std::string& what_arg = "Board already has a king"
    ) : bad_piece(p, what_arg) {};
};
 
class no_king : public tt::ex::tartan {
public:
    no_king(
        Piece::Color c,
        const std::string& what_arg = "Board does not have a king"
    ) : tartan(what_arg) { e_color = c; };
    Piece::Color e_color;
    Piece::Color color() const { return e_color; };
};
 
class check : public tt::ex::illegal_move {
public:
    check(
        const Piece* p,
        const Piece::Position& to, 
        const Piece* k,
        const std::string& what_arg = "King is under check after move") 
    :   illegal_move(p, to, what_arg) { e_king = k; };
    const Piece* king() const { return e_king; };
private:
    const Piece* e_king;
};
 
class checkmate : public check {
public:
    checkmate(
        const Piece* p,
        const Piece::Position& to, 
        const Piece* k,
        const std::string& what_arg = "King is under checkmate") 
    :   check(p, to, k, what_arg) {};
};
 
}
 
#endif // !_TARTAN_CHESS_EXCEPTIONS_HPP_