AdventOfCode2024/include/aoc/MullCharState.hpp

// Solutions to the Advent Of Code 2024.
// Copyright (C) 2024  Stefan Müller
//
// This program is free software: you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation, either version 3 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with
// this program.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include <aoc/StringState.hpp>

class MullCharState
    : public StringState
{
public:
    MullCharState(const char expected);
    void enter(StringStateMachine* stateMachine) override {};
    void next(StringStateMachine* stateMachine) override;
    void exit(StringStateMachine* stateMachine) override {};
    void setTransitions(StringState& successState, StringState& failState);
private:
    char expected_;
    StringState* successState_;
    StringState* failState_;
};