SignalSet.hpp

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#ifndef INCLUDE_DISTORTOS_SIGNALSET_HPP_
#define INCLUDE_DISTORTOS_SIGNALSET_HPP_

#include <bitset>

namespace distortos
{

class SignalSet
{
public:

    using Bitset = std::bitset<32>;

    struct Empty
    {

    };

    struct Full
    {

    };

    constexpr static Empty empty = {};

    constexpr static Full full = {};

    constexpr explicit SignalSet(uint32_t bitmask) :
            bitset_{bitmask}
    {

    }

    constexpr explicit SignalSet(const Bitset& bitset) :
            bitset_{bitset}
    {

    }

    constexpr explicit SignalSet(const Empty&) :
            SignalSet{uint32_t{}}
    {

    }

    constexpr explicit SignalSet(const Full&) :
            SignalSet{~uint32_t{}}
    {

    }

    int add(const uint8_t signalNumber)
    {
        return set(signalNumber, true);
    }

    Bitset getBitset() const
    {
        return bitset_;
    }

    int remove(const uint8_t signalNumber)
    {
        return set(signalNumber, false);
    }

    std::pair<int, bool> test(uint8_t signalNumber) const;

private:

    int set(uint8_t signalNumber, bool value);

    Bitset bitset_;
};

}   // namespace distortos

#endif  // INCLUDE_DISTORTOS_SIGNALSET_HPP_