95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
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#pragma once
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#include <cstdint> // uint8_t, uint64_t
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#include <tuple> // tie
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#include <utility> // move
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namespace nlohmann
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{
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/// @brief an internal type for a backed binary type
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/
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template<typename BinaryType>
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class byte_container_with_subtype : public BinaryType
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{
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public:
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using container_type = BinaryType;
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using subtype_type = std::uint64_t;
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/byte_container_with_subtype/
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byte_container_with_subtype() noexcept(noexcept(container_type()))
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: container_type()
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{}
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/byte_container_with_subtype/
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byte_container_with_subtype(const container_type& b) noexcept(noexcept(container_type(b)))
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: container_type(b)
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{}
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/byte_container_with_subtype/
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byte_container_with_subtype(container_type&& b) noexcept(noexcept(container_type(std::move(b))))
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: container_type(std::move(b))
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{}
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/byte_container_with_subtype/
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byte_container_with_subtype(const container_type& b, subtype_type subtype_) noexcept(noexcept(container_type(b)))
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: container_type(b)
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, m_subtype(subtype_)
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, m_has_subtype(true)
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{}
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/byte_container_with_subtype/
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byte_container_with_subtype(container_type&& b, subtype_type subtype_) noexcept(noexcept(container_type(std::move(b))))
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: container_type(std::move(b))
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, m_subtype(subtype_)
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, m_has_subtype(true)
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{}
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bool operator==(const byte_container_with_subtype& rhs) const
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{
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return std::tie(static_cast<const BinaryType&>(*this), m_subtype, m_has_subtype) ==
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std::tie(static_cast<const BinaryType&>(rhs), rhs.m_subtype, rhs.m_has_subtype);
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}
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bool operator!=(const byte_container_with_subtype& rhs) const
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{
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return !(rhs == *this);
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}
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/// @brief sets the binary subtype
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/set_subtype/
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void set_subtype(subtype_type subtype_) noexcept
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{
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m_subtype = subtype_;
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m_has_subtype = true;
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}
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/// @brief return the binary subtype
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/subtype/
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constexpr subtype_type subtype() const noexcept
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{
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return m_has_subtype ? m_subtype : static_cast<subtype_type>(-1);
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}
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/// @brief return whether the value has a subtype
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/has_subtype/
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constexpr bool has_subtype() const noexcept
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{
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return m_has_subtype;
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}
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/// @brief clears the binary subtype
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/// @sa https://json.nlohmann.me/api/byte_container_with_subtype/clear_subtype/
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void clear_subtype() noexcept
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{
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m_subtype = 0;
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m_has_subtype = false;
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}
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private:
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subtype_type m_subtype = 0;
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bool m_has_subtype = false;
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};
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} // namespace nlohmann
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