MushMachine/external/json/include/nlohmann/adl_serializer.hpp

74 lines
2.5 KiB
C++
Raw Normal View History

#pragma once
2021-12-11 23:32:21 +01:00
#include <type_traits>
#include <utility>
#include <nlohmann/detail/conversions/from_json.hpp>
#include <nlohmann/detail/conversions/to_json.hpp>
2021-12-11 23:32:21 +01:00
#include <nlohmann/detail/meta/identity_tag.hpp>
#include <nlohmann/detail/meta/type_traits.hpp>
namespace nlohmann
{
2021-12-11 23:32:21 +01:00
template<typename ValueType, typename>
struct adl_serializer
{
/*!
@brief convert a JSON value to any value type
This function is usually called by the `get()` function of the
@ref basic_json class (either explicit or via conversion operators).
2021-12-11 23:32:21 +01:00
@note This function is chosen for default-constructible value types.
@param[in] j JSON value to read from
@param[in,out] val value to write to
*/
2021-12-11 23:32:21 +01:00
template<typename BasicJsonType, typename TargetType = ValueType>
static auto from_json(BasicJsonType && j, TargetType& val) noexcept(
noexcept(::nlohmann::from_json(std::forward<BasicJsonType>(j), val)))
-> decltype(::nlohmann::from_json(std::forward<BasicJsonType>(j), val), void())
{
::nlohmann::from_json(std::forward<BasicJsonType>(j), val);
}
2021-12-11 23:32:21 +01:00
/*!
@brief convert a JSON value to any value type
This function is usually called by the `get()` function of the
@ref basic_json class (either explicit or via conversion operators).
@note This function is chosen for value types which are not default-constructible.
@param[in] j JSON value to read from
@return copy of the JSON value, converted to @a ValueType
*/
template<typename BasicJsonType, typename TargetType = ValueType>
static auto from_json(BasicJsonType && j) noexcept(
noexcept(::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {})))
-> decltype(::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {}))
{
return ::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {});
}
/*!
@brief convert any value type to a JSON value
This function is usually called by the constructors of the @ref basic_json
class.
@param[in,out] j JSON value to write to
@param[in] val value to read from
*/
2021-12-11 23:32:21 +01:00
template<typename BasicJsonType, typename TargetType = ValueType>
static auto to_json(BasicJsonType& j, TargetType && val) noexcept(
noexcept(::nlohmann::to_json(j, std::forward<TargetType>(val))))
-> decltype(::nlohmann::to_json(j, std::forward<TargetType>(val)), void())
{
2021-12-11 23:32:21 +01:00
::nlohmann::to_json(j, std::forward<TargetType>(val));
}
};
} // namespace nlohmann