C_flag.hpp

/*
 * Copyright 2024 Guillaume Guillet
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _FGE_C_FLAG_HPP_INCLUDED
#define _FGE_C_FLAG_HPP_INCLUDED
 
namespace fge
{
 
class Flag
{
public:
    inline Flag(bool defaultValue = false) :
            g_flag(defaultValue)
    {}
 
    inline bool check(bool input)
    {
        if (!this->g_flag)
        {
            this->g_flag = input;
            return input;
        }
        if (!input)
        {
            this->g_flag = false;
        }
        return false;
    }
 
    inline void set(bool value) { this->g_flag = value; }
    [[nodiscard]] inline bool get() const { return this->g_flag; }
 
    inline bool operator=(bool value) { return this->g_flag = value; }
 
    inline operator bool() const { return this->g_flag; }
 
private:
    bool g_flag;
};
 
} // namespace fge
 
#endif // _FGE_C_FLAG_HPP_INCLUDED