AdcDeviceCommand is now parameter-less
rewrite AdcDeviceAttribute class, basic tests of AdcDeviceAttribute passed
This commit is contained in:
Timur A. Fatkhullin
@@ -63,52 +63,47 @@ concept adc_attr_convfunc_c = std::is_null_pointer_v<T> ||
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// deduce attribute type from getter and setter functions signatures
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template <adc_attr_getter_c GT, adc_attr_setter_c ST>
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using attr_value_t =
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using attr_value_t = std::decay_t<
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std::conditional_t<std::is_null_pointer_v<GT>,
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std::conditional_t<std::is_null_pointer_v<ST>, std::nullptr_t, traits::adc_func_arg1_t<ST>>,
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traits::adc_retval_t<GT>>;
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traits::adc_retval_t<GT>>>;
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// deduce attribute internal type from conversional functions signatures
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template <adc_attr_convfunc_c FromFuncT, adc_attr_convfunc_c ToFuncT>
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using attr_internal_t = std::conditional_t<
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using attr_internal_t = std::decay_t<std::conditional_t<
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std::is_null_pointer_v<ToFuncT>,
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std::conditional_t<std::is_null_pointer_v<FromFuncT>, std::nullptr_t, traits::adc_retval_t<FromFuncT>>,
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traits::adc_retval_t<ToFuncT>>;
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traits::adc_retval_t<ToFuncT>>>;
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// deduce user-defined type from conversional functions signatures
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template <adc_attr_convfunc_c FromFuncT, adc_attr_convfunc_c ToFuncT>
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using attr_user_t = std::conditional_t<
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using attr_user_t = std::decay_t<std::conditional_t<
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std::is_null_pointer_v<FromFuncT>,
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std::conditional_t<std::is_null_pointer_v<ToFuncT>, std::nullptr_t, traits::adc_retval_t<ToFuncT>>,
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traits::adc_retval_t<FromFuncT>>;
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traits::adc_retval_t<FromFuncT>>>;
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// attribute serializer function concept
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template <typename T, typename VT>
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concept adc_serializer_c = std::invocable<T, const VT&> && !std::same_as<void, traits::adc_retval_t<T>>;
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concept adc_serializer_c =
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std::is_null_pointer_v<T> || (std::invocable<T, const VT&> && !std::same_as<void, traits::adc_retval_t<T>>);
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// attribute deserializer function concept
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template <typename T, typename ST>
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concept adc_deserializer_c = std::invocable<T, const ST&> && !std::same_as<void, traits::adc_retval_t<T>>;
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// a callable and it has exactly one argument
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template <typename T>
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concept adc_is_setter = adc_func_traits<T>::arity == 1;
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// a callable with exactly one argument of type VT
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template <typename T, typename VT>
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concept adc_is_setter_arg = (adc_func_traits<T>::arity == 1) && std::same_as<VT, adc_func_arg1_t<T>>;
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concept adc_deserializer_c = std::is_null_pointer_v<T> || (traits::adc_func_traits<T>::arity == 1 &&
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std::convertible_to<traits::adc_retval_t<T>, VT>);
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// a callable with exactly one argument of type VT and it returns a value of type ST
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template <typename T, typename ST, typename VT>
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concept adc_is_serializer =
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(adc_func_traits<T>::arity == 1) && std::same_as<VT, adc_func_arg1_t<T>> && std::same_as<ST, adc_retval_t<T>>;
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template <typename SRT, typename DSRT>
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using adc_attr_serialized_t = std::decay_t<
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std::conditional_t<std::is_null_pointer_v<SRT>,
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std::conditional_t<std::is_null_pointer_v<DSRT>, std::nullptr_t, traits::adc_func_arg1_t<DSRT>>,
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traits::adc_retval_t<SRT>>>;
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} // namespace traits
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@@ -119,7 +114,9 @@ enum class AdcDeviceAttributeErrorCode : int {
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ERROR_INTERNAL_TYPE_MISMATCH,
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ERROR_READ_ONLY,
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ERROR_WRITE_ONLY,
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ERROR_INVALID_SERIALIZED_TYPE
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ERROR_INVALID_SERIALIZED_TYPE,
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ERROR_NO_SERIALIZER,
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ERROR_NO_DESERIALIZER
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};
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} // namespace adc
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@@ -163,6 +160,10 @@ struct AdcDeviceAttributeErrorCategory : public std::error_category {
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return "device attribute is write-only";
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case AdcDeviceAttributeErrorCode::ERROR_INVALID_SERIALIZED_TYPE:
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return "invalid user-passed serialized type";
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case AdcDeviceAttributeErrorCode::ERROR_NO_SERIALIZER:
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return "serializing function was not defined";
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case AdcDeviceAttributeErrorCode::ERROR_NO_DESERIALIZER:
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return "deserializing function was not defined";
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default:
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return "UNKNOWN";
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}
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@@ -216,68 +217,63 @@ public:
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enum AccessType { ReadOnly, WriteOnly, ReadWrite };
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template <typename T>
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constexpr static T DummyGetter()
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{
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return T();
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}
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template <typename T>
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constexpr static void DummySetter(const T&)
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{
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}
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template <typename T, typename SerializedT = default_serialized_t>
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constexpr static SerializedT DummySerializer(const T&)
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{
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return SerializedT();
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}
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template <typename T, typename SerializedT = default_serialized_t>
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constexpr static T DummyDeserializer(const SerializedT&)
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{
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return T();
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}
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/* CONSTRUCTORS AND DESTRUCTOR */
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template <std::invocable<> GT,
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typename ValueT = ret_value_t<GT>,
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std::invocable<const ValueT&> ST,
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std::invocable<const ValueT&> SRT =
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template <traits::adc_attr_getter_c GT,
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traits::adc_attr_setter_c ST,
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typename ValueT = traits::attr_value_t<GT, ST>,
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traits::adc_serializer_c<ValueT> SRT =
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decltype(utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>),
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typename SerializedT = ret_value_t<SRT>,
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std::invocable<const SerializedT&> DSRT =
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decltype(utils::AdcDefaultValueConverter<>::deserialize<ValueT, SerializedT>)>
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AdcDeviceAttribute(GT&& getter,
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ST&& setter,
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SRT&& serializer = utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>,
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DSRT&& deserializer = utils::AdcDefaultValueConverter<>::deserialize<ValueT, SerializedT>)
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traits::adc_deserializer_c<ValueT> DSRT =
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decltype(utils::AdcDefaultValueConverter<>::deserialize<ValueT, default_serialized_t>)>
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AdcDeviceAttribute(
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const IdentT& ident,
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GT&& getter,
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ST&& setter,
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SRT&& serializer = utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>,
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DSRT&& deserializer = utils::AdcDefaultValueConverter<>::deserialize<ValueT, default_serialized_t>)
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: _ident(ident), _accessType(AdcDeviceAttribute::ReadWrite)
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{
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static_assert(!std::is_null_pointer_v<ValueT>, "Getter and Setter can not be nullptr simultaneously!!!");
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using SerializedT = traits::adc_attr_serialized_t<SRT, DSRT>;
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static_assert(!std::is_null_pointer_v<SerializedT>, "Deduced serialized type must not be std::nullptr_t!!!");
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_getterFunc<ValueT>.emplace(this, std::forward<GT>(getter));
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_setterFunc<ValueT>.emplace(this, std::forward<ST>(setter));
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if constexpr (std::is_null_pointer_v<GT>) {
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_accessType = AdcDeviceAttribute::WriteOnly;
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}
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_serializerFunc<SerializedT>[this] = [wrapper = traits::adc_pf_wrapper(std::forward<SRT>(serializer)), this]() {
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auto& serializer = std::get<0>(wrapper);
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if constexpr (std::is_null_pointer_v<ST>) {
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_accessType = AdcDeviceAttribute::ReadOnly;
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}
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if constexpr (!std::is_null_pointer_v<GT> && !std::is_null_pointer_v<SRT>) {
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_serializerFunc<SerializedT>[this] = [wrapper = traits::adc_pf_wrapper(std::forward<SRT>(serializer)),
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this]() {
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auto& serializer = std::get<0>(wrapper);
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auto val = _getterFunc<ValueT>[this]();
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auto val = _getterFunc<ValueT>[this]();
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return serializer(val);
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};
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return serializer(val);
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};
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}
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_deserializerFunc<SerializedT>[this] = [wrapper = traits::adc_pf_wrapper(std::forward<DSRT>(deserializer)),
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this](const SerializedT& sval) {
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auto& deserializer = std::get<0>(wrapper);
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if constexpr (!std::is_null_pointer_v<ST> && !std::is_null_pointer_v<DSRT>) {
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_deserializerFunc<SerializedT>[this] = [wrapper = traits::adc_pf_wrapper(std::forward<DSRT>(deserializer)),
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this](const SerializedT& sval) {
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auto& deserializer = std::get<0>(wrapper);
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ValueT val = deserializer(sval);
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ValueT val = deserializer(sval);
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_setterFunc<ValueT>[this](val);
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};
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_setterFunc<ValueT>[this](val);
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};
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}
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_clearFunc = [this]() {
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_getterFunc<ValueT>.erase(this);
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@@ -309,90 +305,77 @@ public:
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}
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template <traits::adc_tuple_like<> TupleT,
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std::invocable<> GT,
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typename ValueT = ret_value_t<GT>,
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std::invocable<const ValueT&> ST,
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std::invocable<const ValueT&> SRT =
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template <traits::adc_tuple_like TupleT,
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traits::adc_attr_getter_c GT,
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traits::adc_attr_setter_c ST,
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typename ValueT = traits::attr_value_t<GT, ST>,
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traits::adc_serializer_c<ValueT> SRT =
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decltype(utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>),
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typename SerializedT = ret_value_t<SRT>,
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std::invocable<const SerializedT&> DSRT =
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decltype(utils::AdcDefaultValueConverter<>::deserialize<ValueT, SerializedT>)>
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AdcDeviceAttribute(TupleT&&,
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GT&& getter,
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ST&& setter,
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SRT&& serializer = utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>,
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DSRT&& deserializer = utils::AdcDefaultValueConverter<>::deserialize<ValueT, SerializedT>)
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: AdcDeviceAttribute(std::forward<GT>(getter),
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traits::adc_deserializer_c<ValueT> DSRT =
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decltype(utils::AdcDefaultValueConverter<>::deserialize<ValueT, default_serialized_t>)>
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AdcDeviceAttribute(
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const IdentT& ident,
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TupleT&&,
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GT&& getter,
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ST&& setter,
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SRT&& serializer = utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>,
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DSRT&& deserializer = utils::AdcDefaultValueConverter<>::deserialize<ValueT, default_serialized_t>)
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: AdcDeviceAttribute(ident,
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std::forward<GT>(getter),
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std::forward<ST>(setter),
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std::forward<SRT>(serializer),
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std::forward<DSRT>(deserializer))
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{
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static_assert(!std::is_null_pointer_v<ValueT>, "Getter and Setter can not be nullptr simultaneously!!!");
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AdcDeviceAttribute::setupTrivialConvertFunc<ValueT, std::decay_t<TupleT>>();
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}
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// read-only attribute constructor
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template <std::invocable<> GT,
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template <std::invocable GT,
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typename ValueT = ret_value_t<GT>,
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std::invocable<const ValueT&> SRT =
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traits::adc_serializer_c<ValueT> SRT =
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decltype(utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>),
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typename SerializedT = ret_value_t<SRT>>
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AdcDeviceAttribute(const IdentT& ident,
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GT&& getter,
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SRT&& serializer = utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>)
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: AdcDeviceAttribute(ident,
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std::forward<GT>(getter),
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AdcDeviceAttribute::DummySetter<ValueT>,
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std::forward<SRT>(serializer),
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AdcDeviceAttribute::DummyDeserializer<ValueT, SerializedT>)
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: AdcDeviceAttribute(ident, std::forward<GT>(getter), nullptr, std::forward<SRT>(serializer), nullptr)
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{
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_accessType = ReadOnly;
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}
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template <traits::adc_tuple_like<> TupleT,
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std::invocable<> GT,
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template <traits::adc_tuple_like TupleT,
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std::invocable GT,
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typename ValueT = ret_value_t<GT>,
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std::invocable<const ValueT&> SRT =
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traits::adc_serializer_c<ValueT> SRT =
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decltype(utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>),
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typename SerializedT = ret_value_t<SRT>>
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AdcDeviceAttribute(const IdentT& ident,
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TupleT&&,
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GT&& getter,
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SRT&& serializer = utils::AdcDefaultValueConverter<>::serialize<default_serialized_t, ValueT>)
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: AdcDeviceAttribute(ident,
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TupleT{},
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std::forward<GT>(getter),
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AdcDeviceAttribute::DummySetter<ValueT>,
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std::forward<SRT>(serializer),
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AdcDeviceAttribute::DummyDeserializer<ValueT, SerializedT>)
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: AdcDeviceAttribute(ident, TupleT{}, std::forward<GT>(getter), nullptr, std::forward<SRT>(serializer), nullptr)
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{
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_accessType = ReadOnly;
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}
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// write-only attribute constructor
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template <traits::adc_is_setter<> ST,
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template <traits::adc_attr_setter_c ST,
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typename ValueT = std::decay_t<traits::adc_func_arg1_t<ST>>,
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typename DSRT = decltype(utils::AdcDefaultValueConverter<>::deserialize<ValueT, default_serialized_t>),
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typename SerializedT = std::decay_t<traits::adc_func_arg1_t<DSRT>>>
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AdcDeviceAttribute(const IdentT& ident,
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ST&& setter,
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DSRT&& deserializer = utils::AdcDefaultValueConverter<>::deserialize<ValueT, SerializedT>)
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: AdcDeviceAttribute(ident,
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AdcDeviceAttribute::DummyGetter<ValueT>,
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std::forward<ST>(setter),
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AdcDeviceAttribute::DummySerializer<ValueT>,
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std::forward<DSRT>(deserializer))
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: AdcDeviceAttribute(ident, nullptr, std::forward<ST>(setter), nullptr, std::forward<DSRT>(deserializer))
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{
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_accessType = WriteOnly;
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}
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template <traits::adc_tuple_like<> TupleT,
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traits::adc_is_setter<> ST,
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template <traits::adc_tuple_like TupleT,
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traits::adc_attr_setter_c ST,
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typename ValueT = std::decay_t<traits::adc_func_arg1_t<ST>>,
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typename DSRT = decltype(utils::AdcDefaultValueConverter<>::deserialize<ValueT, default_serialized_t>),
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typename SerializedT = std::decay_t<traits::adc_func_arg1_t<DSRT>>>
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@@ -402,16 +385,14 @@ public:
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DSRT&& deserializer = utils::AdcDefaultValueConverter<>::deserialize<ValueT, SerializedT>)
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: AdcDeviceAttribute(ident,
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TupleT{},
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AdcDeviceAttribute::DummyGetter<ValueT>,
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nullptr,
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std::forward<ST>(setter),
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AdcDeviceAttribute::DummySerializer<ValueT>,
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nullptr,
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std::forward<DSRT>(deserializer))
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{
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_accessType = WriteOnly;
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}
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AdcDeviceAttribute(const AdcDeviceAttribute& other)
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{
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_clearFunc();
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@@ -447,37 +428,45 @@ public:
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AccessType accessType() const { return _accessType; }
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template <typename FromFuncT, typename ToFuncT>
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template <traits::adc_attr_convfunc_c FromFuncT, traits::adc_attr_convfunc_c ToFuncT>
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AdcDeviceAttribute& addConvertFunc(FromFuncT&& func_from_internal, ToFuncT&& func_to_internal)
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requires std::invocable<FromFuncT, const ret_value_t<ToFuncT>&> &&
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std::invocable<ToFuncT, const ret_value_t<FromFuncT>&>
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{
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using value_t = ret_value_t<ToFuncT>; // it must be internal value type
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using user_t = ret_value_t<FromFuncT>;
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// using value_t = ret_value_t<ToFuncT>; // it must be internal value type
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// using user_t = ret_value_t<FromFuncT>;
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_getterFunc<user_t>[this] = [wrapper = traits::adc_pf_wrapper(std::forward<FromFuncT>(func_from_internal)),
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this]() {
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auto& getter = _getterFunc<value_t>[this];
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if (getter) {
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auto val = getter();
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return std::get<0>(wrapper)(val); // convert from internal type
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}
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// invalid conversion function signature
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using value_t = traits::attr_internal_t<FromFuncT, ToFuncT>;
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using user_t = traits::attr_user_t<FromFuncT, ToFuncT>;
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static_assert(!std::is_null_pointer_v<value_t>,
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"Deduced attribute internal type must not be std::nullptr_t!!!");
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static_assert(!std::is_null_pointer_v<user_t>, "Deduced user-defined type must not be std::nullptr_t!!!");
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try {
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if (_accessType != AdcDeviceAttribute::WriteOnly) {
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auto& getter = _getterFunc<value_t>.at(this); // throw out_of_range if value_t is invalid
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_getterFunc<user_t>[this] =
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[&getter, wrapper = traits::adc_pf_wrapper(std::forward<FromFuncT>(func_from_internal)), this]() {
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auto val = getter();
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return std::get<0>(wrapper)(val); // convert from internal type
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};
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} // ignore "from_internal" conversional function for write-only attribute
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if (_accessType != AdcDeviceAttribute::ReadOnly) {
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auto& setter = _setterFunc<value_t>.at(this); // throw out_of_range if value_t is invalid
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_setterFunc<user_t>[this] = [&setter,
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wrapper = traits::adc_pf_wrapper(std::forward<ToFuncT>(func_to_internal)),
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this](const user_t& val) {
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value_t value = std::get<0>(wrapper)(val); // convert to internal type
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setter(value);
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};
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} // ignore "to_internal" conversional function for read-only attribute
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} catch (const std::out_of_range&) {
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throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_INTERNAL_TYPE_MISMATCH);
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};
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|
||||
_setterFunc<user_t>[this] = [wrapper = traits::adc_pf_wrapper(std::forward<ToFuncT>(func_to_internal)),
|
||||
this](const user_t& val) {
|
||||
value_t value = std::get<0>(wrapper)(val); // convert to internal type
|
||||
auto& setter = _setterFunc<value_t>[this];
|
||||
if (setter) {
|
||||
setter(value);
|
||||
} else {
|
||||
// invalid conversion function signature
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_INTERNAL_TYPE_MISMATCH);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
_clearFunc = [prev_clear = _clearFunc, this]() {
|
||||
prev_clear();
|
||||
@@ -515,16 +504,22 @@ public:
|
||||
|
||||
using val_t = std::decay_t<UT>;
|
||||
|
||||
auto getter = _getterFunc<val_t>[this];
|
||||
if (getter) {
|
||||
return getter();
|
||||
try {
|
||||
return _getterFunc<val_t>.at(this)();
|
||||
} catch (const std::out_of_range&) {
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_NO_CONV_FUNC);
|
||||
}
|
||||
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_NO_CONV_FUNC);
|
||||
// auto& getter = _getterFunc<val_t>[this];
|
||||
// if (getter) {
|
||||
// return getter();
|
||||
// }
|
||||
|
||||
// throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_NO_CONV_FUNC);
|
||||
}
|
||||
|
||||
template <typename UT>
|
||||
AdcDeviceAttribute& operator=(UT&& other)
|
||||
AdcDeviceAttribute& operator=(UT&& val)
|
||||
{
|
||||
if (_accessType == ReadOnly) {
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_READ_ONLY);
|
||||
@@ -532,13 +527,19 @@ public:
|
||||
|
||||
using val_t = std::decay_t<UT>;
|
||||
|
||||
auto setter = _setterFunc<val_t>[this];
|
||||
if (setter) {
|
||||
setter(std::forward<UT>(other));
|
||||
} else {
|
||||
try {
|
||||
_setterFunc<val_t>.at(this)(std::forward<UT>(val));
|
||||
} catch (const std::out_of_range&) {
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_NO_CONV_FUNC);
|
||||
}
|
||||
|
||||
// auto& setter = _setterFunc<val_t>[this];
|
||||
// if (setter) {
|
||||
// setter(std::forward<UT>(val));
|
||||
// } else {
|
||||
// throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_NO_CONV_FUNC);
|
||||
// }
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
@@ -577,28 +578,63 @@ public:
|
||||
template <typename SerializedT>
|
||||
SerializedT serialize()
|
||||
{
|
||||
using s_t = std::decay_t<SerializedT>;
|
||||
|
||||
auto& serializer = _serializerFunc<s_t>[this];
|
||||
|
||||
if (serializer) {
|
||||
return serializer();
|
||||
if (_accessType == AdcDeviceAttribute::WriteOnly) {
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_WRITE_ONLY);
|
||||
}
|
||||
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_INVALID_SERIALIZED_TYPE);
|
||||
using s_t = std::decay_t<SerializedT>;
|
||||
|
||||
try {
|
||||
_serializerFunc<s_t>.at(this)();
|
||||
} catch (const std::out_of_range&) {
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_INVALID_SERIALIZED_TYPE);
|
||||
} catch (const std::bad_function_call&) { // serializer was not defined in ctor!
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_NO_SERIALIZER);
|
||||
}
|
||||
|
||||
// auto& serializer = _serializerFunc<s_t>[this];
|
||||
|
||||
// if (serializer) {
|
||||
// return serializer();
|
||||
// }
|
||||
|
||||
// throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_INVALID_SERIALIZED_TYPE);
|
||||
}
|
||||
|
||||
template <typename SerializedT>
|
||||
void deserialize(const SerializedT& sval)
|
||||
AdcDeviceAttribute& deserialize(const SerializedT& sval)
|
||||
{
|
||||
if (_accessType == AdcDeviceAttribute::ReadOnly) {
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_READ_ONLY);
|
||||
}
|
||||
|
||||
using s_t = std::decay_t<SerializedT>;
|
||||
|
||||
auto& deserializer = _deserializerFunc<s_t>[this];
|
||||
if (deserializer) {
|
||||
deserializer(sval);
|
||||
} else {
|
||||
try {
|
||||
_deserializerFunc<s_t>.at(this)(sval);
|
||||
} catch (const std::out_of_range&) {
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_INVALID_SERIALIZED_TYPE);
|
||||
} catch (const std::bad_function_call&) { // deserializer was not defined in ctor!
|
||||
throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_NO_DESERIALIZER);
|
||||
}
|
||||
|
||||
// auto& deserializer = _deserializerFunc<s_t>[this];
|
||||
// if (deserializer) {
|
||||
// deserializer(sval);
|
||||
// } else {
|
||||
// throw std::system_error(AdcDeviceAttributeErrorCode::ERROR_INVALID_SERIALIZED_TYPE);
|
||||
// }
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
/* some usefull factory functions */
|
||||
|
||||
template <typename... CtorArgTs>
|
||||
static AdcDeviceAttribute makeArithAttr(const IdentT& ident, CtorArgTs... ctor_args)
|
||||
{
|
||||
return AdcDeviceAttribute{ident, constants::AdcDefaultTrivialConvTypes, std::forward<CtorArgTs>(ctor_args)...};
|
||||
}
|
||||
|
||||
protected:
|
||||
@@ -628,4 +664,5 @@ protected:
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
} // namespace adc
|
||||
|
||||
Reference in New Issue
Block a user