Program Listing for File interface.h#

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#ifndef SDV_INTERFACE_H
#define SDV_INTERFACE_H

#include <cstdint>

#ifndef interface
#define interface struct
#endif

namespace sdv
{
    using interface_id = uint64_t;

    template <typename TIfc>
    constexpr inline interface_id GetInterfaceId() noexcept
    {
        // Return the interface ID.
        return TIfc::_id;
    }

    class interface_t
    {
    public:
        interface_t() noexcept;

        interface_t(const interface_t& rifc) noexcept;

        interface_t(interface_t&& rifc) noexcept;

        interface_t(std::nullptr_t) noexcept;

        template <typename TInterface>
        interface_t(TInterface* pInterface) noexcept;

        interface_t& operator=(const interface_t& rifc) noexcept;

        interface_t& operator=(interface_t&& rifc) noexcept;

        interface_t& operator=(std::nullptr_t) noexcept;

        template <typename TInterface>
        interface_t& operator=(TInterface* pInterface) noexcept;

        operator bool() const noexcept;

        void reset() noexcept;

        interface_id id() const noexcept;

        template <typename TInterface>
        TInterface* get() noexcept;

        template <typename TInterface>
        const TInterface* get() const noexcept;

        int compare(const interface_t& rifc) const noexcept;

    private:
        interface_id    m_id = 0ull;
        void*           m_pInterface = nullptr;
    };

    bool operator==(const interface_t& rifcLeft, const interface_t& rifcRight) noexcept;

    bool operator==(const interface_t& rifcLeft, std::nullptr_t) noexcept;

    bool operator==(std::nullptr_t, const interface_t& rifcRight) noexcept;

    bool operator!=(const interface_t& rifcLeft, const interface_t& rifcRight) noexcept;

    bool operator!=(const interface_t& rifcLeft, std::nullptr_t) noexcept;

    bool operator!=(std::nullptr_t, const interface_t& rifcRight) noexcept;

    bool operator<(const interface_t& rifcLeft, const interface_t& rifcRight) noexcept;

    bool operator<(const interface_t& rifcLeft, std::nullptr_t) noexcept;

    bool operator<(std::nullptr_t, const interface_t& rifcRight) noexcept;

    bool operator<=(const interface_t& rifcLeft, const interface_t& rifcRight) noexcept;

    bool operator<=(const interface_t& rifcLeft, std::nullptr_t) noexcept;

    bool operator<=(std::nullptr_t, const interface_t& rifcRight) noexcept;

    bool operator>(const interface_t& rifcLeft, const interface_t& rifcRight) noexcept;

    bool operator>(const interface_t& rifcLeft, std::nullptr_t) noexcept;

    bool operator>(std::nullptr_t, const interface_t& rifcRight) noexcept;

    bool operator>=(const interface_t& rifcLeft, const interface_t& rifcRight) noexcept;

    bool operator>=(const interface_t& rifcLeft, std::nullptr_t) noexcept;

    bool operator>=(std::nullptr_t, const interface_t& rifcRight) noexcept;

} // namespace idl

#include "interface.inl"

#endif // !defined SDV_INTERFACE_H
Program Listing for File interface.h#

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