mirror of
https://github.com/nlohmann/json.git
synced 2024-08-22 04:52:35 +02:00
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
#pragma once
|
|
|
|
#include <type_traits>
|
|
#include <utility>
|
|
|
|
#include <nlohmann/detail/conversions/from_json.hpp>
|
|
#include <nlohmann/detail/conversions/to_json.hpp>
|
|
#include <nlohmann/detail/meta/identity_tag.hpp>
|
|
#include <nlohmann/detail/meta/type_traits.hpp>
|
|
|
|
namespace nlohmann
|
|
{
|
|
|
|
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).
|
|
|
|
@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
|
|
*/
|
|
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);
|
|
}
|
|
|
|
/*!
|
|
@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
|
|
*/
|
|
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())
|
|
{
|
|
::nlohmann::to_json(j, std::forward<TargetType>(val));
|
|
}
|
|
};
|
|
} // namespace nlohmann
|