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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <AK/String.h>
#include <LibChess/Chess.h>
#include <LibCore/Event.h>
namespace Chess::UCI {
class Command : public Core::Event {
public:
enum Type {
// GUI to engine commands.
UCI = 12000,
Debug,
IsReady,
SetOption,
Register,
UCINewGame,
Position,
Go,
Stop,
PonderHit,
Quit,
// Engine to GUI commands.
Id,
UCIOk,
ReadyOk,
BestMove,
CopyProtection,
Registration,
Info,
Option,
};
explicit Command(Type type)
: Core::Event(type)
{
}
virtual String to_string() const = 0;
virtual ~Command() { }
};
class UCICommand : public Command {
public:
explicit UCICommand()
: Command(Command::Type::UCI)
{
}
static UCICommand from_string(StringView command);
virtual String to_string() const override;
};
class DebugCommand : public Command {
public:
enum class Flag {
On,
Off
};
explicit DebugCommand(Flag flag)
: Command(Command::Type::Debug)
, m_flag(flag)
{
}
static DebugCommand from_string(StringView command);
virtual String to_string() const override;
Flag flag() const { return m_flag; }
private:
Flag m_flag;
};
class IsReadyCommand : public Command {
public:
explicit IsReadyCommand()
: Command(Command::Type::IsReady)
{
}
static IsReadyCommand from_string(StringView command);
virtual String to_string() const override;
};
class SetOptionCommand : public Command {
public:
explicit SetOptionCommand(StringView name, Optional<String> value = {})
: Command(Command::Type::SetOption)
, m_name(name)
, m_value(value)
{
}
static SetOptionCommand from_string(StringView command);
virtual String to_string() const override;
const String& name() const { return m_name; }
const Optional<String>& value() const { return m_value; }
private:
String m_name;
Optional<String> m_value;
};
class PositionCommand : public Command {
public:
explicit PositionCommand(const Optional<String>& fen, const Vector<Chess::Move>& moves)
: Command(Command::Type::Position)
, m_fen(fen)
, m_moves(moves)
{
}
static PositionCommand from_string(StringView command);
virtual String to_string() const override;
const Optional<String>& fen() const { return m_fen; }
const Vector<Chess::Move>& moves() const { return m_moves; }
private:
Optional<String> m_fen;
Vector<Chess::Move> m_moves;
};
class GoCommand : public Command {
public:
explicit GoCommand()
: Command(Command::Type::Go)
{
}
static GoCommand from_string(StringView command);
virtual String to_string() const override;
Optional<Vector<Chess::Move>> searchmoves;
bool ponder { false };
Optional<int> wtime;
Optional<int> btime;
Optional<int> winc;
Optional<int> binc;
Optional<int> movestogo;
Optional<int> depth;
Optional<int> nodes;
Optional<int> mate;
Optional<int> movetime;
bool infinite { false };
};
class StopCommand : public Command {
public:
explicit StopCommand()
: Command(Command::Type::Stop)
{
}
static StopCommand from_string(StringView command);
virtual String to_string() const override;
};
class IdCommand : public Command {
public:
enum class Type {
Name,
Author,
};
explicit IdCommand(Type field_type, StringView value)
: Command(Command::Type::Id)
, m_field_type(field_type)
, m_value(value)
{
}
static IdCommand from_string(StringView command);
virtual String to_string() const override;
Type field_type() const { return m_field_type; }
const String& value() const { return m_value; }
private:
Type m_field_type;
String m_value;
};
class UCIOkCommand : public Command {
public:
explicit UCIOkCommand()
: Command(Command::Type::UCIOk)
{
}
static UCIOkCommand from_string(StringView command);
virtual String to_string() const override;
};
class ReadyOkCommand : public Command {
public:
explicit ReadyOkCommand()
: Command(Command::Type::ReadyOk)
{
}
static ReadyOkCommand from_string(StringView command);
virtual String to_string() const override;
};
class BestMoveCommand : public Command {
public:
explicit BestMoveCommand(const Chess::Move& move)
: Command(Command::Type::BestMove)
, m_move(move)
{
}
static BestMoveCommand from_string(StringView command);
virtual String to_string() const override;
Chess::Move move() const { return m_move; }
private:
Chess::Move m_move;
};
class InfoCommand : public Command {
public:
explicit InfoCommand()
: Command(Command::Type::BestMove)
{
}
static InfoCommand from_string(StringView command);
virtual String to_string() const override;
Optional<int> depth;
Optional<int> seldepth;
Optional<int> time;
Optional<int> nodes;
Optional<Vector<Chess::Move>> pv;
// FIXME: Add multipv.
Optional<int> score_cp;
Optional<int> score_mate;
// FIXME: Add score bounds.
Optional<Chess::Move> currmove;
Optional<int> currmove_number;
// FIXME: Add additional fields.
};
}
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