CommandParsing.hpp

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#pragma once
 
#include <chrono>
#include <cstddef> // IWYU pragma: keep - for size_t
#include <expected>
#include <libchess/moves/MoveGen.hpp>
#include <optional>
#include <string>
#include <string_view>
 
namespace chess::game {
struct Position;
} // namespace chess::game

namespace chess::uci {
 
using game::Position;
using std::chrono::milliseconds;
using std::optional;
using std::size_t;
using std::string_view;

[[nodiscard]] auto parse_position_options(string_view options)
    -> std::expected<Position, std::string>;

struct RegisterNowOptions final {
    std::string name;

    std::string code;
};

using RegisterOptions = optional<RegisterNowOptions>;

[[nodiscard]] auto parse_register_options(string_view options) -> RegisterOptions;

struct [[nodiscard]] GoCommandOptions final {
    moves::MoveList moves;

    bool ponderMode { false };

    bool infinite { false };

    optional<milliseconds> whiteTimeLeft;

    optional<milliseconds> blackTimeLeft;

    optional<milliseconds> whiteInc;

    optional<milliseconds> blackInc;

    optional<milliseconds> searchTime;

    optional<size_t> movesToGo;

    optional<size_t> depth;

    optional<size_t> nodes;

    optional<size_t> mateIn;
};

[[nodiscard]] auto parse_go_options(
    string_view options, const Position& currentPosition)
    -> GoCommandOptions;
 
} // namespace chess::uci