enum_set.h

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// Copyright (c) 2018, Smart Projects Holdings Ltd
// All rights reserved.
// See LICENSE file for license details.

#ifndef _UGCS_VSM_ENUM_SET_H_
#define _UGCS_VSM_ENUM_SET_H_

#include <bitset>

namespace ugcs {
namespace vsm {

template<typename Enum_type>
class Enum_set {
public:
    template<typename... Enum_types>
    Enum_set(Enum_types... values)
    {
        Set_recursive(values...);
    }

    void
    Set(Enum_type value, bool present = true)
    {
        set.set(static_cast<uint32_t>(value), present);
    }

    void
    Reset()
    {
        set.reset();
    }

    bool
    Is_set(Enum_type value) const
    {
        return set.test(static_cast<uint32_t>(value));
    }

    bool
    operator==(const Enum_set& other) const
    {
        return set == other.set;
    }

private:
    template<typename... Enum_types>
    void
    Set_recursive(Enum_type value, Enum_types... values)
    {
        Set(value);
        Set_recursive(values...);
    }

    void
    Set_recursive()
    {
    }

    std::bitset<static_cast<uint32_t>(Enum_type::LAST)> set;
};

} /* namespace vsm */
} /* namespace ugcs */

#endif /* _UGCS_VSM_ENUM_SET_H_ */