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This commit is contained in:
Théo DELRIEU
Théo DELRIEU
parent
47bc402113
commit
907484fb43
1 changed files with 119 additions and 74 deletions
193
src/json.hpp
193
src/json.hpp
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@ -183,19 +183,20 @@ template <class RealType, class CompatibleObjectType>
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struct is_compatible_object_type_impl<true, RealType, CompatibleObjectType>
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{
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static constexpr auto value =
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std::is_constructible<typename RealType::key_type, typename CompatibleObjectType::key_type>::value and
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std::is_constructible<typename RealType::mapped_type, typename CompatibleObjectType::mapped_type>::value;
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std::is_constructible<typename RealType::key_type,
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typename CompatibleObjectType::key_type>::value and
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std::is_constructible<typename RealType::mapped_type,
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typename CompatibleObjectType::mapped_type>::value;
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};
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template<class RealType, class CompatibleObjectType>
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struct is_compatible_object_type
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{
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static auto constexpr value = is_compatible_object_type_impl<
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conjunction<negation<std::is_same<void, CompatibleObjectType>>,
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has_mapped_type<CompatibleObjectType>,
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has_key_type<CompatibleObjectType>>::value,
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RealType, CompatibleObjectType>::value;
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conjunction<negation<std::is_same<void, CompatibleObjectType>>,
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has_mapped_type<CompatibleObjectType>,
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has_key_type<CompatibleObjectType>>::value,
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RealType, CompatibleObjectType>::value;
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};
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template <bool B, class BasicJson, class CompatibleArrayType>
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@ -205,28 +206,34 @@ template <class BasicJson, class CompatibleArrayType>
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struct is_compatible_array_type_impl<true, BasicJson, CompatibleArrayType>
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{
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static constexpr auto value =
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not std::is_same<CompatibleArrayType, typename BasicJson::iterator>::value and
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not std::is_same<CompatibleArrayType, typename BasicJson::const_iterator>::value and
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not std::is_same<CompatibleArrayType, typename BasicJson::reverse_iterator>::value and
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not std::is_same<CompatibleArrayType, typename BasicJson::const_reverse_iterator>::value and
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not std::is_same<CompatibleArrayType, typename BasicJson::array_t::iterator>::value and
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not std::is_same<CompatibleArrayType, typename BasicJson::array_t::const_iterator>::value;
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not std::is_same<CompatibleArrayType,
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typename BasicJson::iterator>::value and
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not std::is_same<CompatibleArrayType,
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typename BasicJson::const_iterator>::value and
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not std::is_same<CompatibleArrayType,
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typename BasicJson::reverse_iterator>::value and
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not std::is_same<CompatibleArrayType,
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typename BasicJson::const_reverse_iterator>::value and
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not std::is_same<CompatibleArrayType,
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typename BasicJson::array_t::iterator>::value and
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not std::is_same<CompatibleArrayType,
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typename BasicJson::array_t::const_iterator>::value;
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};
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template <class BasicJson, class CompatibleArrayType>
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struct is_compatible_array_type
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{
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static auto constexpr value = disjunction<std::is_same<BasicJson, CompatibleArrayType>,
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is_compatible_array_type_impl<
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conjunction<negation<
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// MSVC has troubles on that one
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std::is_same<void, CompatibleArrayType>>,
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negation<is_compatible_object_type<
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typename BasicJson::object_t, CompatibleArrayType>>,
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has_value_type<CompatibleArrayType>,
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has_iterator<CompatibleArrayType>>::value,
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BasicJson, CompatibleArrayType>>::value;
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static auto constexpr value = disjunction<
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std::is_same<BasicJson, CompatibleArrayType>,
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is_compatible_array_type_impl<
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conjunction<negation<
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// MSVC has troubles without this
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std::is_same<void, CompatibleArrayType>>,
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negation<is_compatible_object_type<
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typename BasicJson::object_t, CompatibleArrayType>>,
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has_value_type<CompatibleArrayType>,
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has_iterator<CompatibleArrayType>>::value,
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BasicJson, CompatibleArrayType>>::value;
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};
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template <bool, typename, typename>
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@ -235,15 +242,19 @@ struct is_compatible_integer_type_impl : std::false_type{};
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template <typename RealIntegerType, typename CompatibleNumberIntegerType>
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struct is_compatible_integer_type_impl<true, RealIntegerType, CompatibleNumberIntegerType>
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{
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static constexpr auto value = std::is_constructible<RealIntegerType, CompatibleNumberIntegerType>::value and
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std::numeric_limits<CompatibleNumberIntegerType>::is_integer and
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std::numeric_limits<CompatibleNumberIntegerType>::is_signed;
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static constexpr auto value =
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std::is_constructible<RealIntegerType,
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CompatibleNumberIntegerType>::value and
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std::numeric_limits<CompatibleNumberIntegerType>::is_integer and
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std::numeric_limits<CompatibleNumberIntegerType>::is_signed;
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};
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template <typename RealIntegerType, typename CompatibleNumberIntegerType>
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struct is_compatible_integer_type
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{
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static constexpr auto value = is_compatible_integer_type_impl<std::is_arithmetic<CompatibleNumberIntegerType>::value, RealIntegerType, CompatibleNumberIntegerType>::value;
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static constexpr auto value = is_compatible_integer_type_impl<
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std::is_arithmetic<CompatibleNumberIntegerType>::value, RealIntegerType,
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CompatibleNumberIntegerType>::value;
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};
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template <bool, typename, typename>
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@ -252,37 +263,43 @@ struct is_compatible_unsigned_integer_type_impl : std::false_type{};
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template <typename RealUnsignedType, typename CompatibleNumberUnsignedType>
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struct is_compatible_unsigned_integer_type_impl<true, RealUnsignedType, CompatibleNumberUnsignedType>
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{
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static constexpr auto value = std::is_constructible<RealUnsignedType, CompatibleNumberUnsignedType>::value and
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std::numeric_limits<CompatibleNumberUnsignedType>::is_integer and
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not std::numeric_limits<CompatibleNumberUnsignedType>::is_signed;
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static constexpr auto value =
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std::is_constructible<RealUnsignedType,
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CompatibleNumberUnsignedType>::value and
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std::numeric_limits<CompatibleNumberUnsignedType>::is_integer and
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not std::numeric_limits<CompatibleNumberUnsignedType>::is_signed;
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};
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template <typename RealUnsignedType, typename CompatibleNumberUnsignedType>
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struct is_compatible_unsigned_integer_type
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{
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static constexpr auto value = is_compatible_unsigned_integer_type_impl<std::is_arithmetic<CompatibleNumberUnsignedType>::value, RealUnsignedType, CompatibleNumberUnsignedType>::value;
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static constexpr auto value = is_compatible_unsigned_integer_type_impl<
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std::is_arithmetic<CompatibleNumberUnsignedType>::value, RealUnsignedType,
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CompatibleNumberUnsignedType>::value;
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};
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template <typename RealFloat, typename CompatibleFloat>
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struct is_compatible_float_type
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{
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static constexpr auto value = std::is_constructible<RealFloat, CompatibleFloat>::value and
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std::is_floating_point<CompatibleFloat>::value;
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static constexpr auto value =
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std::is_constructible<RealFloat, CompatibleFloat>::value and
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std::is_floating_point<CompatibleFloat>::value;
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};
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template <typename T, typename BasicJson>
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struct is_compatible_basic_json_type
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{
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static auto constexpr value =
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std::is_same<T, BasicJson>::value or
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std::is_constructible<typename BasicJson::string_t, T>::value or
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std::is_same<typename BasicJson::boolean_t, T>::value or
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is_compatible_array_type<BasicJson, T>::value or
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is_compatible_object_type<typename BasicJson::object_t, T>::value or
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is_compatible_float_type<typename BasicJson::number_float_t, T>::value or
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is_compatible_integer_type<typename BasicJson::number_integer_t, T>::value or
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is_compatible_unsigned_integer_type<typename BasicJson::number_unsigned_t, T>::value;
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static auto constexpr value =
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std::is_same<T, BasicJson>::value or
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std::is_constructible<typename BasicJson::string_t, T>::value or
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std::is_same<typename BasicJson::boolean_t, T>::value or
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is_compatible_array_type<BasicJson, T>::value or
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is_compatible_object_type<typename BasicJson::object_t, T>::value or
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is_compatible_float_type<typename BasicJson::number_float_t, T>::value or
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is_compatible_integer_type<typename BasicJson::number_integer_t,
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T>::value or
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is_compatible_unsigned_integer_type<typename BasicJson::number_unsigned_t,
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T>::value;
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};
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template <template <typename, typename> class JSONSerializer, typename Json,
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@ -322,23 +339,24 @@ void from_json();
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struct to_json_fn
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{
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template <typename Json, typename T>
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constexpr auto
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operator()(Json&& j, T &&val) const noexcept(noexcept(to_json(std::forward<Json>(j), std::forward<T>(val))))
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-> decltype(to_json(std::forward<Json>(j), std::forward<T>(val)), void())
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{
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return to_json(std::forward<Json>(j), std::forward<T>(val));
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}
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template <typename Json, typename T>
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constexpr auto operator()(Json &&j, T &&val) const
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noexcept(noexcept(to_json(std::forward<Json>(j), std::forward<T>(val))))
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-> decltype(to_json(std::forward<Json>(j), std::forward<T>(val)),
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void())
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{
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return to_json(std::forward<Json>(j), std::forward<T>(val));
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}
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};
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struct from_json_fn
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{
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template <typename Json, typename T>
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constexpr auto operator()(Json &&j, T &val) const
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noexcept(noexcept(from_json(std::forward<Json>(j), val)))
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-> decltype(from_json(std::forward<Json>(j), val), void())
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{
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return from_json(std::forward<Json>(j), val);
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template <typename Json, typename T>
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constexpr auto operator()(Json &&j, T &val) const
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noexcept(noexcept(from_json(std::forward<Json>(j), val)))
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-> decltype(from_json(std::forward<Json>(j), val), void())
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{
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return from_json(std::forward<Json>(j), val);
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}
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};
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@ -1555,10 +1573,17 @@ class basic_json
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// constructor chosen when JSONSerializer::to_json exists for type T
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// first check avoids being chosen instead of move/copy constructor
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template <typename T, enable_if_t<detail::conjunction<detail::negation<std::is_same<uncvref_t<T>, basic_json_t>>,
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detail::negation<std::is_base_of<std::istream, uncvref_t<T>>>,
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detail::negation<detail::is_compatible_basic_json_type<uncvref_t<T>, basic_json_t>>, detail::has_to_json<
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JSONSerializer, basic_json, uncvref_t<T>>>::value, int> = 0>
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template <
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typename T,
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enable_if_t<
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detail::conjunction<
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detail::negation<std::is_same<uncvref_t<T>, basic_json_t>>,
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detail::negation<std::is_base_of<std::istream, uncvref_t<T>>>,
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detail::negation<detail::is_compatible_basic_json_type<
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uncvref_t<T>, basic_json_t>>,
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detail::has_to_json<JSONSerializer, basic_json,
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uncvref_t<T>>>::value,
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int> = 0>
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explicit basic_json(T &&val)
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{
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JSONSerializer<uncvref_t<T>>::to_json(*this, std::forward<T>(val));
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@ -1757,7 +1782,11 @@ detail::negation<detail::is_compatible_basic_json_type<uncvref_t<T>, basic_json_
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@since version 1.0.0
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*/
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template<typename CompatibleNumberIntegerType, enable_if_t<detail::is_compatible_integer_type<number_integer_t, CompatibleNumberIntegerType>::value, int> = 0>
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template <
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typename CompatibleNumberIntegerType,
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enable_if_t<detail::is_compatible_integer_type<
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number_integer_t, CompatibleNumberIntegerType>::value,
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int> = 0>
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basic_json(const CompatibleNumberIntegerType val) noexcept
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: m_type(value_t::number_integer),
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m_value(static_cast<number_integer_t>(val))
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@ -1811,7 +1840,11 @@ detail::negation<detail::is_compatible_basic_json_type<uncvref_t<T>, basic_json_
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@since version 2.0.0
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*/
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template<typename CompatibleNumberUnsignedType, enable_if_t<detail::is_compatible_unsigned_integer_type<number_unsigned_t, CompatibleNumberUnsignedType>::value, int> = 0>
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template <
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typename CompatibleNumberUnsignedType,
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enable_if_t<detail::is_compatible_unsigned_integer_type<
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number_unsigned_t, CompatibleNumberUnsignedType>::value,
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int> = 0>
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basic_json(const CompatibleNumberUnsignedType val) noexcept
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: m_type(value_t::number_unsigned),
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m_value(static_cast<number_unsigned_t>(val))
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@ -1887,7 +1920,10 @@ detail::negation<detail::is_compatible_basic_json_type<uncvref_t<T>, basic_json_
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@since version 1.0.0
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*/
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template<typename CompatibleNumberFloatType, enable_if_t<detail::is_compatible_float_type<number_float_t, CompatibleNumberFloatType>::value, int> = 0>
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template <typename CompatibleNumberFloatType,
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enable_if_t<detail::is_compatible_float_type<
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number_float_t, CompatibleNumberFloatType>::value,
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int> = 0>
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basic_json(const CompatibleNumberFloatType val) noexcept
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: basic_json(number_float_t(val))
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{
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@ -2941,13 +2977,17 @@ detail::negation<detail::is_compatible_basic_json_type<uncvref_t<T>, basic_json_
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}
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/// get an array (explicit)
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template<class T, typename std::enable_if<
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std::is_convertible<basic_json_t, typename T::value_type>::value and
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not std::is_same<basic_json_t, typename T::value_type>::value and
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not std::is_arithmetic<T>::value and
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not std::is_convertible<std::string, T>::value and
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not detail::has_mapped_type<T>::value, int>::type = 0>
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T get_impl(T* /*unused*/) const
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template <
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class T,
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typename std::enable_if<
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std::is_convertible<basic_json_t, typename T::value_type>::value and
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not std::is_same<basic_json_t,
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typename T::value_type>::value and
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not std::is_arithmetic<T>::value and
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not std::is_convertible<std::string, T>::value and
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not detail::has_mapped_type<T>::value,
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int>::type = 0>
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T get_impl(T *) const
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{
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if (is_array())
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{
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@ -3225,9 +3265,14 @@ detail::negation<detail::is_compatible_basic_json_type<uncvref_t<T>, basic_json_
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return get_impl(static_cast<ValueType *>(nullptr));
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}
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template <typename T,
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enable_if_t<detail::conjunction<detail::negation<detail::is_compatible_basic_json_type<uncvref_t<T>, basic_json_t>>,
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detail::has_from_json<JSONSerializer, basic_json_t, uncvref_t<T>>>::value, int> = 0>
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template <
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typename T,
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enable_if_t<detail::conjunction<
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detail::negation<detail::is_compatible_basic_json_type<
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uncvref_t<T>, basic_json_t>>,
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detail::has_from_json<JSONSerializer, basic_json_t,
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uncvref_t<T>>>::value,
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int> = 0>
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auto get() const -> uncvref_t<T>
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{
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using type = uncvref_t<T>;
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