Regenerated single include.
This commit is contained in:
Anthony VH
parent
6ef1614fa9
commit
fc8c584288
@ -3185,6 +3185,52 @@ struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json<T>::value >>
|
||||
///////////////////
|
||||
// is_ functions //
|
||||
///////////////////
|
||||
// https://en.cppreference.com/w/cpp/types/conjunction
|
||||
template<class...> struct conjunction : std::true_type { };
|
||||
template<class B1> struct conjunction<B1> : B1 { };
|
||||
template<class B1, class... Bn>
|
||||
struct conjunction<B1, Bn...>
|
||||
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
|
||||
|
||||
// Reimplementation of is_constructible and is_default_constructible, due to them being broken for
|
||||
// std::pair and std::tuple until LWG 2367 fix (see https://cplusplus.github.io/LWG/lwg-defects.html#2367).
|
||||
// This causes compile errors in e.g. clang 3.5 or gcc 4.9.
|
||||
// Based on commit fixing this in gcc: https://github.com/gcc-mirror/gcc/commit/d3c64041b32b6962ad6b2d879231537a477631fb
|
||||
template <typename T>
|
||||
struct is_default_constructible : std::is_default_constructible<T> {};
|
||||
|
||||
template <typename T1, typename T2>
|
||||
struct is_default_constructible<std::pair<T1, T2>>
|
||||
: conjunction<is_default_constructible<T1>, is_default_constructible<T2>> {};
|
||||
|
||||
template <typename T1, typename T2>
|
||||
struct is_default_constructible<const std::pair<T1, T2>>
|
||||
: conjunction<is_default_constructible<T1>, is_default_constructible<T2>> {};
|
||||
|
||||
template <typename... Ts>
|
||||
struct is_default_constructible<std::tuple<Ts...>>
|
||||
: conjunction<is_default_constructible<Ts>...> {};
|
||||
|
||||
template <typename... Ts>
|
||||
struct is_default_constructible<const std::tuple<Ts...>>
|
||||
: conjunction<is_default_constructible<Ts>...> {};
|
||||
|
||||
|
||||
template <typename T, typename... Args>
|
||||
struct is_constructible : std::is_constructible<T, Args...> {};
|
||||
|
||||
template <typename T1, typename T2>
|
||||
struct is_constructible<std::pair<T1, T2>> : is_default_constructible<std::pair<T1, T2>> {};
|
||||
|
||||
template <typename T1, typename T2>
|
||||
struct is_constructible<const std::pair<T1, T2>> : is_default_constructible<const std::pair<T1, T2>> {};
|
||||
|
||||
template <typename... Ts>
|
||||
struct is_constructible<std::tuple<Ts...>> : is_default_constructible<std::tuple<Ts...>> {};
|
||||
|
||||
template <typename... Ts>
|
||||
struct is_constructible<const std::tuple<Ts...>> : is_default_constructible<const std::tuple<Ts...>> {};
|
||||
|
||||
|
||||
template<typename T, typename = void>
|
||||
struct is_iterator_traits : std::false_type {};
|
||||
@ -3228,9 +3274,9 @@ struct is_compatible_object_type_impl <
|
||||
|
||||
// macOS's is_constructible does not play well with nonesuch...
|
||||
static constexpr bool value =
|
||||
std::is_constructible<typename object_t::key_type,
|
||||
is_constructible<typename object_t::key_type,
|
||||
typename CompatibleObjectType::key_type>::value &&
|
||||
std::is_constructible<typename object_t::mapped_type,
|
||||
is_constructible<typename object_t::mapped_type,
|
||||
typename CompatibleObjectType::mapped_type>::value;
|
||||
};
|
||||
|
||||
@ -3251,10 +3297,10 @@ struct is_constructible_object_type_impl <
|
||||
using object_t = typename BasicJsonType::object_t;
|
||||
|
||||
static constexpr bool value =
|
||||
(std::is_default_constructible<ConstructibleObjectType>::value &&
|
||||
(is_default_constructible<ConstructibleObjectType>::value &&
|
||||
(std::is_move_assignable<ConstructibleObjectType>::value ||
|
||||
std::is_copy_assignable<ConstructibleObjectType>::value) &&
|
||||
(std::is_constructible<typename ConstructibleObjectType::key_type,
|
||||
(is_constructible<typename ConstructibleObjectType::key_type,
|
||||
typename object_t::key_type>::value &&
|
||||
std::is_same <
|
||||
typename object_t::mapped_type,
|
||||
@ -3282,7 +3328,7 @@ struct is_compatible_string_type_impl <
|
||||
value_type_t, CompatibleStringType>::value >>
|
||||
{
|
||||
static constexpr auto value =
|
||||
std::is_constructible<typename BasicJsonType::string_t, CompatibleStringType>::value;
|
||||
is_constructible<typename BasicJsonType::string_t, CompatibleStringType>::value;
|
||||
};
|
||||
|
||||
template<typename BasicJsonType, typename ConstructibleStringType>
|
||||
@ -3300,7 +3346,7 @@ struct is_constructible_string_type_impl <
|
||||
value_type_t, ConstructibleStringType>::value >>
|
||||
{
|
||||
static constexpr auto value =
|
||||
std::is_constructible<ConstructibleStringType,
|
||||
is_constructible<ConstructibleStringType,
|
||||
typename BasicJsonType::string_t>::value;
|
||||
};
|
||||
|
||||
@ -3323,7 +3369,7 @@ struct is_compatible_array_type_impl <
|
||||
iterator_traits<CompatibleArrayType >>::value >>
|
||||
{
|
||||
static constexpr bool value =
|
||||
std::is_constructible<BasicJsonType,
|
||||
is_constructible<BasicJsonType,
|
||||
typename CompatibleArrayType::value_type>::value;
|
||||
};
|
||||
|
||||
@ -3346,7 +3392,7 @@ struct is_constructible_array_type_impl <
|
||||
BasicJsonType, ConstructibleArrayType,
|
||||
enable_if_t < !std::is_same<ConstructibleArrayType,
|
||||
typename BasicJsonType::value_type>::value&&
|
||||
std::is_default_constructible<ConstructibleArrayType>::value&&
|
||||
is_default_constructible<ConstructibleArrayType>::value&&
|
||||
(std::is_move_assignable<ConstructibleArrayType>::value ||
|
||||
std::is_copy_assignable<ConstructibleArrayType>::value)&&
|
||||
is_detected<value_type_t, ConstructibleArrayType>::value&&
|
||||
@ -3390,7 +3436,7 @@ struct is_compatible_integer_type_impl <
|
||||
using CompatibleLimits = std::numeric_limits<CompatibleNumberIntegerType>;
|
||||
|
||||
static constexpr auto value =
|
||||
std::is_constructible<RealIntegerType,
|
||||
is_constructible<RealIntegerType,
|
||||
CompatibleNumberIntegerType>::value &&
|
||||
CompatibleLimits::is_integer &&
|
||||
RealLimits::is_signed == CompatibleLimits::is_signed;
|
||||
@ -3417,18 +3463,11 @@ template<typename BasicJsonType, typename CompatibleType>
|
||||
struct is_compatible_type
|
||||
: is_compatible_type_impl<BasicJsonType, CompatibleType> {};
|
||||
|
||||
// https://en.cppreference.com/w/cpp/types/conjunction
|
||||
template<class...> struct conjunction : std::true_type { };
|
||||
template<class B1> struct conjunction<B1> : B1 { };
|
||||
template<class B1, class... Bn>
|
||||
struct conjunction<B1, Bn...>
|
||||
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
|
||||
|
||||
template<typename T1, typename T2>
|
||||
struct is_constructible_tuple : std::false_type {};
|
||||
|
||||
template<typename T1, typename... Args>
|
||||
struct is_constructible_tuple<T1, std::tuple<Args...>> : conjunction<std::is_constructible<T1, Args>...> {};
|
||||
struct is_constructible_tuple<T1, std::tuple<Args...>> : conjunction<is_constructible<T1, Args>...> {};
|
||||
} // namespace detail
|
||||
} // namespace nlohmann
|
||||
|
||||
@ -3746,23 +3785,16 @@ void())
|
||||
from_json_array_impl(j, arr, priority_tag<3> {});
|
||||
}
|
||||
|
||||
template < typename T, typename BasicJsonType, typename ArrayType, std::size_t... Idx>
|
||||
ArrayType from_json_inplace_array_impl_base(BasicJsonType&& j, identity_tag<ArrayType> /*unused*/,
|
||||
index_sequence<Idx...> /*unused*/)
|
||||
template < typename BasicJsonType, typename T, std::size_t... Idx >
|
||||
std::array<T, sizeof...(Idx)> from_json_inplace_array_impl(BasicJsonType&& j,
|
||||
identity_tag<std::array<T, sizeof...(Idx)>> /*unused*/, index_sequence<Idx...> /*unused*/)
|
||||
{
|
||||
return { std::forward<BasicJsonType>(j).at(Idx).template get<T>()... };
|
||||
}
|
||||
|
||||
template < typename BasicJsonType, typename T, std::size_t N >
|
||||
auto from_json_inplace_array_impl(BasicJsonType&& j, identity_tag<std::array<T, N>> tag, priority_tag<0> /*unused*/)
|
||||
-> decltype(from_json_inplace_array_impl_base<T>(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {}))
|
||||
{
|
||||
return from_json_inplace_array_impl_base<T>(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {});
|
||||
}
|
||||
|
||||
template < typename BasicJsonType, typename ArrayType >
|
||||
auto from_json(BasicJsonType&& j, identity_tag<ArrayType> tag)
|
||||
-> decltype(from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, priority_tag<0> {}))
|
||||
auto from_json(BasicJsonType&& j, identity_tag<std::array<T, N>> tag)
|
||||
-> decltype(from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {}))
|
||||
{
|
||||
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
|
||||
{
|
||||
@ -3770,7 +3802,7 @@ auto from_json(BasicJsonType&& j, identity_tag<ArrayType> tag)
|
||||
std::string(j.type_name())));
|
||||
}
|
||||
|
||||
return from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, priority_tag<0> {});
|
||||
return from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {});
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
@ -3855,9 +3887,8 @@ std::pair<A1, A2> from_json_pair_impl(BasicJsonType&& j, identity_tag<std::pair<
|
||||
std::forward<BasicJsonType>(j).at(1).template get<A2>()};
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename A1, typename A2,
|
||||
enable_if_t<std::is_default_constructible<std::pair<A1, A2>>::value, int> = 0>
|
||||
void from_json_pair_impl(BasicJsonType && j, std::pair<A1, A2>& p, priority_tag<1> /*unused*/)
|
||||
template<typename BasicJsonType, typename A1, typename A2>
|
||||
void from_json_pair_impl(BasicJsonType&& j, std::pair<A1, A2>& p, priority_tag<1> /*unused*/)
|
||||
{
|
||||
p = from_json_pair_impl(std::forward<BasicJsonType>(j), identity_tag<std::pair<A1, A2>> {}, priority_tag<0> {});
|
||||
}
|
||||
@ -3875,22 +3906,27 @@ auto from_json(BasicJsonType&& j, PairRelatedType&& p)
|
||||
return from_json_pair_impl(std::forward<BasicJsonType>(j), std::forward<PairRelatedType>(p), priority_tag<1> {});
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename Tuple, std::size_t... Idx>
|
||||
Tuple from_json_tuple_impl(BasicJsonType&& j, identity_tag<Tuple> /*unused*/, index_sequence<Idx...> /*unused*/, priority_tag<0> /*unused*/)
|
||||
template<typename BasicJsonType, typename... Args, std::size_t... Idx>
|
||||
std::tuple<Args...> from_json_tuple_impl_base(BasicJsonType&& j, index_sequence<Idx...> /*unused*/)
|
||||
{
|
||||
return std::make_tuple(std::forward<BasicJsonType>(j).at(Idx).template get<typename std::tuple_element<Idx, Tuple>::type>()...);
|
||||
return std::make_tuple(std::forward<BasicJsonType>(j).at(Idx).template get<Args>()...);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename Tuple, std::size_t... Idx,
|
||||
enable_if_t<std::is_default_constructible<Tuple>::value, int> = 0>
|
||||
void from_json_tuple_impl(BasicJsonType && j, Tuple& t, index_sequence<Idx...> /*unused*/, priority_tag<1> /*unused*/)
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
std::tuple<Args...> from_json_tuple_impl(BasicJsonType&& j, identity_tag<std::tuple<Args...>> /*unused*/, priority_tag<0> /*unused*/)
|
||||
{
|
||||
t = from_json_tuple_impl(std::forward<BasicJsonType>(j), identity_tag<Tuple> {}, priority_tag<0> {});
|
||||
return from_json_tuple_impl_base<BasicJsonType, Args...>(std::forward<BasicJsonType>(j), index_sequence_for<Args...> {});
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename TupleRelated, std::size_t... Idx>
|
||||
auto from_json_tuple(BasicJsonType&& j, TupleRelated&& t, index_sequence<Idx...> idx)
|
||||
-> decltype(from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), idx, priority_tag<1> {}))
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
void from_json_tuple_impl(BasicJsonType&& j, std::tuple<Args...>& t, priority_tag<1> /*unused*/)
|
||||
{
|
||||
t = from_json_tuple_impl_base<BasicJsonType, Args...>(std::forward<BasicJsonType>(j), index_sequence_for<Args...> {});
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename TupleRelated>
|
||||
auto from_json(BasicJsonType&& j, TupleRelated&& t)
|
||||
-> decltype(from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), priority_tag<1> {}))
|
||||
{
|
||||
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
|
||||
{
|
||||
@ -3898,21 +3934,7 @@ auto from_json_tuple(BasicJsonType&& j, TupleRelated&& t, index_sequence<Idx...>
|
||||
std::string(j.type_name())));
|
||||
}
|
||||
|
||||
return from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), idx, priority_tag<1> {});
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
auto from_json(BasicJsonType&& j, std::tuple<Args...>& t)
|
||||
-> decltype(from_json_tuple(std::forward<BasicJsonType>(j), t, index_sequence_for<Args...> {}))
|
||||
{
|
||||
from_json_tuple(std::forward<BasicJsonType>(j), t, index_sequence_for<Args...> {});
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
auto from_json(BasicJsonType&& j, identity_tag<std::tuple<Args...>> tag)
|
||||
-> decltype(from_json_tuple(std::forward<BasicJsonType>(j), std::move(tag), index_sequence_for<Args...> {}))
|
||||
{
|
||||
return from_json_tuple(std::forward<BasicJsonType>(j), std::move(tag), index_sequence_for<Args...> {});
|
||||
return from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), priority_tag<1> {});
|
||||
}
|
||||
|
||||
template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator,
|
||||
@ -19575,50 +19597,53 @@ class basic_json
|
||||
/// @{
|
||||
|
||||
/*!
|
||||
@brief get special-case overload
|
||||
@brief get a pointer value (implicit)
|
||||
|
||||
This overloads avoids a lot of template boilerplate, it can be seen as the
|
||||
identity method
|
||||
Implicit pointer access to the internally stored JSON value. No copies are
|
||||
made.
|
||||
|
||||
@tparam BasicJsonType == @ref basic_json
|
||||
@warning Writing data to the pointee of the result yields an undefined
|
||||
state.
|
||||
|
||||
@return a copy of *this
|
||||
@tparam PointerType pointer type; must be a pointer to @ref array_t, @ref
|
||||
object_t, @ref string_t, @ref boolean_t, @ref number_integer_t,
|
||||
@ref number_unsigned_t, or @ref number_float_t. Enforced by a static
|
||||
assertion.
|
||||
|
||||
@return pointer to the internally stored JSON value if the requested
|
||||
pointer type @a PointerType fits to the JSON value; `nullptr` otherwise
|
||||
|
||||
@complexity Constant.
|
||||
|
||||
@since version 2.1.0
|
||||
@liveexample{The example below shows how pointers to internal values of a
|
||||
JSON value can be requested. Note that no type conversions are made and a
|
||||
`nullptr` is returned if the value and the requested pointer type does not
|
||||
match.,get_ptr}
|
||||
|
||||
@since version 1.0.0
|
||||
*/
|
||||
template<typename BasicJsonType, detail::enable_if_t<
|
||||
std::is_same<typename std::remove_const<BasicJsonType>::type, basic_json_t>::value,
|
||||
int> = 0>
|
||||
basic_json get() const
|
||||
template<typename PointerType, typename std::enable_if<
|
||||
std::is_pointer<PointerType>::value, int>::type = 0>
|
||||
auto get_ptr() noexcept -> decltype(std::declval<basic_json_t&>().get_impl_ptr(std::declval<PointerType>()))
|
||||
{
|
||||
return *this;
|
||||
// delegate the call to get_impl_ptr<>()
|
||||
return get_impl_ptr(static_cast<PointerType>(nullptr));
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get special-case overload
|
||||
|
||||
This overloads converts the current @ref basic_json in a different
|
||||
@ref basic_json type
|
||||
|
||||
@tparam BasicJsonType == @ref basic_json
|
||||
|
||||
@return a copy of *this, converted into @tparam BasicJsonType
|
||||
|
||||
@complexity Depending on the implementation of the called `from_json()`
|
||||
method.
|
||||
|
||||
@since version 3.2.0
|
||||
@brief get a pointer value (implicit)
|
||||
@copydoc get_ptr()
|
||||
*/
|
||||
template < typename BasicJsonType, detail::enable_if_t <
|
||||
!std::is_same<BasicJsonType, basic_json>::value&&
|
||||
detail::is_basic_json<BasicJsonType>::value, int > = 0 >
|
||||
BasicJsonType get() const
|
||||
template < typename PointerType, typename std::enable_if <
|
||||
std::is_pointer<PointerType>::value&&
|
||||
std::is_const<typename std::remove_pointer<PointerType>::type>::value, int >::type = 0 >
|
||||
constexpr auto get_ptr() const noexcept -> decltype(std::declval<const basic_json_t&>().get_impl_ptr(std::declval<PointerType>()))
|
||||
{
|
||||
return *this;
|
||||
// delegate the call to get_impl_ptr<>() const
|
||||
return get_impl_ptr(static_cast<PointerType>(nullptr));
|
||||
}
|
||||
|
||||
private:
|
||||
/*!
|
||||
@brief get a value (explicit)
|
||||
|
||||
@ -19660,21 +19685,12 @@ class basic_json
|
||||
*/
|
||||
template < typename ValueTypeCV, typename ValueType = detail::uncvref_t<ValueTypeCV>,
|
||||
detail::enable_if_t <
|
||||
!detail::is_basic_json<ValueType>::value &&
|
||||
detail::has_from_json<basic_json_t, ValueType>::value &&
|
||||
!detail::has_non_default_from_json<basic_json_t, ValueType>::value,
|
||||
detail::is_default_constructible<ValueType>::value &&
|
||||
detail::has_from_json<basic_json_t, ValueType>::value,
|
||||
int > = 0 >
|
||||
ValueType get() const noexcept(noexcept(
|
||||
JSONSerializer<ValueType>::from_json(std::declval<const basic_json_t&>(), std::declval<ValueType&>())))
|
||||
ValueType get_impl(detail::priority_tag<0> /*unused*/) const noexcept(noexcept(
|
||||
JSONSerializer<ValueType>::from_json(std::declval<const basic_json_t&>(), std::declval<ValueType&>())))
|
||||
{
|
||||
// we cannot static_assert on ValueTypeCV being non-const, because
|
||||
// there is support for get<const basic_json_t>(), which is why we
|
||||
// still need the uncvref
|
||||
static_assert(!std::is_reference<ValueTypeCV>::value,
|
||||
"get() cannot be used with reference types, you might want to use get_ref()");
|
||||
static_assert(std::is_default_constructible<ValueType>::value,
|
||||
"types must be DefaultConstructible when used with get()");
|
||||
|
||||
ValueType ret;
|
||||
JSONSerializer<ValueType>::from_json(*this, ret);
|
||||
return ret;
|
||||
@ -19712,15 +19728,142 @@ class basic_json
|
||||
@since version 2.1.0
|
||||
*/
|
||||
template < typename ValueTypeCV, typename ValueType = detail::uncvref_t<ValueTypeCV>,
|
||||
detail::enable_if_t < !std::is_same<basic_json_t, ValueType>::value &&
|
||||
detail::has_non_default_from_json<basic_json_t, ValueType>::value,
|
||||
int > = 0 >
|
||||
ValueType get() const noexcept(noexcept(
|
||||
JSONSerializer<ValueType>::from_json(std::declval<const basic_json_t&>())))
|
||||
detail::enable_if_t <
|
||||
detail::has_non_default_from_json<basic_json_t, ValueType>::value,
|
||||
int > = 0 >
|
||||
ValueType get_impl(detail::priority_tag<1> /*unused*/) const noexcept(noexcept(
|
||||
JSONSerializer<ValueType>::from_json(std::declval<const basic_json_t&>())))
|
||||
{
|
||||
return JSONSerializer<ValueType>::from_json(*this);
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get special-case overload
|
||||
|
||||
This overloads converts the current @ref basic_json in a different
|
||||
@ref basic_json type
|
||||
|
||||
@tparam BasicJsonType == @ref basic_json
|
||||
|
||||
@return a copy of *this, converted into @tparam BasicJsonType
|
||||
|
||||
@complexity Depending on the implementation of the called `from_json()`
|
||||
method.
|
||||
|
||||
@since version 3.2.0
|
||||
*/
|
||||
template < typename BasicJsonType, detail::enable_if_t <
|
||||
detail::is_basic_json<BasicJsonType>::value,
|
||||
int > = 0 >
|
||||
BasicJsonType get_impl(detail::priority_tag<2> /*unused*/) const
|
||||
{
|
||||
return *this;
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get special-case overload
|
||||
|
||||
This overloads avoids a lot of template boilerplate, it can be seen as the
|
||||
identity method
|
||||
|
||||
@tparam BasicJsonType == @ref basic_json
|
||||
|
||||
@return a copy of *this
|
||||
|
||||
@complexity Constant.
|
||||
|
||||
@since version 2.1.0
|
||||
*/
|
||||
template<typename BasicJsonType, detail::enable_if_t<
|
||||
std::is_same<BasicJsonType, basic_json_t>::value,
|
||||
int> = 0>
|
||||
basic_json get_impl(detail::priority_tag<3> /*unused*/) const
|
||||
{
|
||||
return *this;
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get a pointer value (explicit)
|
||||
@copydoc get()
|
||||
*/
|
||||
template<typename PointerType, detail::enable_if_t<
|
||||
std::is_pointer<PointerType>::value, int> = 0>
|
||||
constexpr auto get_impl(detail::priority_tag<4> /*unused*/) const noexcept
|
||||
-> decltype(std::declval<const basic_json_t&>().template get_ptr<PointerType>())
|
||||
{
|
||||
// delegate the call to get_ptr
|
||||
return get_ptr<PointerType>();
|
||||
}
|
||||
|
||||
public:
|
||||
/*!
|
||||
@brief get a (pointer) value (explicit)
|
||||
|
||||
Performs explicit type conversion between the JSON value and a compatible value if required.
|
||||
|
||||
- If the requested type is a pointer to the internally stored JSON value that pointer is returned.
|
||||
No copies are made.
|
||||
|
||||
- If the requested type is the current @ref basic_json, or a different @ref basic_json convertible
|
||||
from the current @ref basic_json.
|
||||
|
||||
- Otherwise the value is converted by calling the @ref json_serializer<ValueType> `from_json()`
|
||||
method.
|
||||
|
||||
@tparam ValueTypeCV the provided value type
|
||||
@tparam ValueType the returned value type
|
||||
|
||||
@return copy of the JSON value, converted to @tparam ValueType if necessary
|
||||
|
||||
@throw what @ref json_serializer<ValueType> `from_json()` method throws if conversion is required
|
||||
|
||||
@since version 2.1.0
|
||||
*/
|
||||
template < typename ValueTypeCV, typename ValueType = detail::uncvref_t<ValueTypeCV>>
|
||||
constexpr auto get() const noexcept(noexcept(get_impl<ValueType>(detail::priority_tag<4> {})))
|
||||
-> decltype(get_impl<ValueType>(detail::priority_tag<4> {}))
|
||||
{
|
||||
// we cannot static_assert on ValueTypeCV being non-const, because
|
||||
// there is support for get<const basic_json_t>(), which is why we
|
||||
// still need the uncvref
|
||||
static_assert(!std::is_reference<ValueTypeCV>::value,
|
||||
"get() cannot be used with reference types, you might want to use get_ref()");
|
||||
return JSONSerializer<ValueType>::from_json(*this);
|
||||
return get_impl<ValueType>(detail::priority_tag<4> {});
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get a pointer value (explicit)
|
||||
|
||||
Explicit pointer access to the internally stored JSON value. No copies are
|
||||
made.
|
||||
|
||||
@warning The pointer becomes invalid if the underlying JSON object
|
||||
changes.
|
||||
|
||||
@tparam PointerType pointer type; must be a pointer to @ref array_t, @ref
|
||||
object_t, @ref string_t, @ref boolean_t, @ref number_integer_t,
|
||||
@ref number_unsigned_t, or @ref number_float_t.
|
||||
|
||||
@return pointer to the internally stored JSON value if the requested
|
||||
pointer type @a PointerType fits to the JSON value; `nullptr` otherwise
|
||||
|
||||
@complexity Constant.
|
||||
|
||||
@liveexample{The example below shows how pointers to internal values of a
|
||||
JSON value can be requested. Note that no type conversions are made and a
|
||||
`nullptr` is returned if the value and the requested pointer type does not
|
||||
match.,get__PointerType}
|
||||
|
||||
@sa @ref get_ptr() for explicit pointer-member access
|
||||
|
||||
@since version 1.0.0
|
||||
*/
|
||||
template<typename PointerType, typename std::enable_if<
|
||||
std::is_pointer<PointerType>::value, int>::type = 0>
|
||||
auto get() noexcept -> decltype(std::declval<basic_json_t&>().template get_ptr<PointerType>())
|
||||
{
|
||||
// delegate the call to get_ptr
|
||||
return get_ptr<PointerType>();
|
||||
}
|
||||
|
||||
/*!
|
||||
@ -19793,101 +19936,6 @@ class basic_json
|
||||
return v;
|
||||
}
|
||||
|
||||
|
||||
/*!
|
||||
@brief get a pointer value (implicit)
|
||||
|
||||
Implicit pointer access to the internally stored JSON value. No copies are
|
||||
made.
|
||||
|
||||
@warning Writing data to the pointee of the result yields an undefined
|
||||
state.
|
||||
|
||||
@tparam PointerType pointer type; must be a pointer to @ref array_t, @ref
|
||||
object_t, @ref string_t, @ref boolean_t, @ref number_integer_t,
|
||||
@ref number_unsigned_t, or @ref number_float_t. Enforced by a static
|
||||
assertion.
|
||||
|
||||
@return pointer to the internally stored JSON value if the requested
|
||||
pointer type @a PointerType fits to the JSON value; `nullptr` otherwise
|
||||
|
||||
@complexity Constant.
|
||||
|
||||
@liveexample{The example below shows how pointers to internal values of a
|
||||
JSON value can be requested. Note that no type conversions are made and a
|
||||
`nullptr` is returned if the value and the requested pointer type does not
|
||||
match.,get_ptr}
|
||||
|
||||
@since version 1.0.0
|
||||
*/
|
||||
template<typename PointerType, typename std::enable_if<
|
||||
std::is_pointer<PointerType>::value, int>::type = 0>
|
||||
auto get_ptr() noexcept -> decltype(std::declval<basic_json_t&>().get_impl_ptr(std::declval<PointerType>()))
|
||||
{
|
||||
// delegate the call to get_impl_ptr<>()
|
||||
return get_impl_ptr(static_cast<PointerType>(nullptr));
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get a pointer value (implicit)
|
||||
@copydoc get_ptr()
|
||||
*/
|
||||
template < typename PointerType, typename std::enable_if <
|
||||
std::is_pointer<PointerType>::value&&
|
||||
std::is_const<typename std::remove_pointer<PointerType>::type>::value, int >::type = 0 >
|
||||
constexpr auto get_ptr() const noexcept -> decltype(std::declval<const basic_json_t&>().get_impl_ptr(std::declval<PointerType>()))
|
||||
{
|
||||
// delegate the call to get_impl_ptr<>() const
|
||||
return get_impl_ptr(static_cast<PointerType>(nullptr));
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get a pointer value (explicit)
|
||||
|
||||
Explicit pointer access to the internally stored JSON value. No copies are
|
||||
made.
|
||||
|
||||
@warning The pointer becomes invalid if the underlying JSON object
|
||||
changes.
|
||||
|
||||
@tparam PointerType pointer type; must be a pointer to @ref array_t, @ref
|
||||
object_t, @ref string_t, @ref boolean_t, @ref number_integer_t,
|
||||
@ref number_unsigned_t, or @ref number_float_t.
|
||||
|
||||
@return pointer to the internally stored JSON value if the requested
|
||||
pointer type @a PointerType fits to the JSON value; `nullptr` otherwise
|
||||
|
||||
@complexity Constant.
|
||||
|
||||
@liveexample{The example below shows how pointers to internal values of a
|
||||
JSON value can be requested. Note that no type conversions are made and a
|
||||
`nullptr` is returned if the value and the requested pointer type does not
|
||||
match.,get__PointerType}
|
||||
|
||||
@sa @ref get_ptr() for explicit pointer-member access
|
||||
|
||||
@since version 1.0.0
|
||||
*/
|
||||
template<typename PointerType, typename std::enable_if<
|
||||
std::is_pointer<PointerType>::value, int>::type = 0>
|
||||
auto get() noexcept -> decltype(std::declval<basic_json_t&>().template get_ptr<PointerType>())
|
||||
{
|
||||
// delegate the call to get_ptr
|
||||
return get_ptr<PointerType>();
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get a pointer value (explicit)
|
||||
@copydoc get()
|
||||
*/
|
||||
template<typename PointerType, typename std::enable_if<
|
||||
std::is_pointer<PointerType>::value, int>::type = 0>
|
||||
constexpr auto get() const noexcept -> decltype(std::declval<const basic_json_t&>().template get_ptr<PointerType>())
|
||||
{
|
||||
// delegate the call to get_ptr
|
||||
return get_ptr<PointerType>();
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief get a reference value (implicit)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user