j3d1/json
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

add template arguments for JSONSerializer

Browse source
This commit is contained in:
Théo DELRIEU 2016-11-08 13:16:14 +01:00
parent 7dc268ef42
commit 33abccf847
1 changed files with 7 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/json.hpp
View file

@ -214,8 +214,9 @@ inline namespace
constexpr auto const& from_json = _static_const<detail::from_json_fn>::value;
}
// default JSONSerializer template argument
// default JSONSerializer template argument, doesn't care about template argument
// will use ADL for serialization
template <typename = void, typename = void>
struct adl_serializer
{
template <typename T, typename Json, typename = enable_if_t<std::is_default_constructible<uncvref_t<T>>::value>>
@ -328,7 +329,7 @@ template <
class NumberUnsignedType = std::uint64_t,
class NumberFloatType = double,
template<typename U> class AllocatorType = std::allocator,
class JSONSerializer = adl_serializer
template<typename T, typename SFINAE = void> class JSONSerializer = adl_serializer
>
class basic_json
{
@ -1398,9 +1399,9 @@ class basic_json
}
// constructor chosen when JSONSerializer::to_json exists for type T
template <typename T, typename = decltype(JSONSerializer::to_json(std::declval<uncvref_t<T>>()))>
template <typename T, typename = decltype(JSONSerializer<uncvref_t<T>>::to_json(std::declval<uncvref_t<T>>()))>
explicit basic_json(T &&val)
: basic_json(JSONSerializer::to_json(std::forward<T>(val))) {}
: basic_json(JSONSerializer<uncvref_t<T>>::to_json(std::forward<T>(val))) {}
/*!
@brief create a string (explicit)
@ -3072,10 +3073,10 @@ class basic_json
}
template <typename ValueType, typename = enable_if_t<std::is_default_constructible<uncvref_t<ValueType>>::value, float>>
auto get() const -> remove_reference_t<decltype(JSONSerializer::from_json(*this, std::declval<ValueType&>()), std::declval<ValueType>())>
auto get() const -> remove_reference_t<decltype(JSONSerializer<uncvref_t<ValueType>>::from_json(*this, std::declval<ValueType&>()), std::declval<ValueType>())>
{
uncvref_t<ValueType> ret;
JSONSerializer::from_json(*this, ret);
JSONSerializer<uncvref_t<ValueType>>::from_json(*this, ret);
return ret;
}