mirror of
https://github.com/nlohmann/json
synced 2024-11-30 07:30:06 +00:00
add detail/conversions/to_json.hpp
This commit is contained in:
parent
e0c02c14f0
commit
21881606f2
3
Makefile
3
Makefile
@ -8,7 +8,8 @@ SRCS = ${SRCDIR}/json.hpp \
|
||||
${SRCDIR}/detail/meta.hpp \
|
||||
${SRCDIR}/detail/exceptions.hpp \
|
||||
${SRCDIR}/detail/value_t.hpp \
|
||||
${SRCDIR}/detail/conversions/from_json.hpp
|
||||
${SRCDIR}/detail/conversions/from_json.hpp \
|
||||
${SRCDIR}/detail/conversions/to_json.hpp
|
||||
|
||||
|
||||
|
||||
|
337
src/detail/conversions/to_json.hpp
Normal file
337
src/detail/conversions/to_json.hpp
Normal file
@ -0,0 +1,337 @@
|
||||
#ifndef NLOHMANN_JSON_DETAIL_CONVERSIONS_TO_JSON_HPP
|
||||
#define NLOHMANN_JSON_DETAIL_CONVERSIONS_TO_JSON_HPP
|
||||
|
||||
#include <type_traits>
|
||||
#include <utility>
|
||||
#include <valarray>
|
||||
|
||||
#include "detail/meta.hpp"
|
||||
#include "detail/value_t.hpp"
|
||||
|
||||
namespace nlohmann
|
||||
{
|
||||
namespace detail
|
||||
{
|
||||
//////////////////
|
||||
// constructors //
|
||||
//////////////////
|
||||
|
||||
template<value_t> struct external_constructor;
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::boolean>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept
|
||||
{
|
||||
j.m_type = value_t::boolean;
|
||||
j.m_value = b;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::string>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s)
|
||||
{
|
||||
j.m_type = value_t::string;
|
||||
j.m_value = s;
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s)
|
||||
{
|
||||
j.m_type = value_t::string;
|
||||
j.m_value = std::move(s);
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::number_float>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept
|
||||
{
|
||||
j.m_type = value_t::number_float;
|
||||
j.m_value = val;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::number_unsigned>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept
|
||||
{
|
||||
j.m_type = value_t::number_unsigned;
|
||||
j.m_value = val;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::number_integer>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept
|
||||
{
|
||||
j.m_type = value_t::number_integer;
|
||||
j.m_value = val;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::array>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = arr;
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = std::move(arr);
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleArrayType,
|
||||
enable_if_t<not std::is_same<CompatibleArrayType, typename BasicJsonType::array_t>::value,
|
||||
int> = 0>
|
||||
static void construct(BasicJsonType& j, const CompatibleArrayType& arr)
|
||||
{
|
||||
using std::begin;
|
||||
using std::end;
|
||||
j.m_type = value_t::array;
|
||||
j.m_value.array = j.template create<typename BasicJsonType::array_t>(begin(arr), end(arr));
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const std::vector<bool>& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = value_t::array;
|
||||
j.m_value.array->reserve(arr.size());
|
||||
for (const bool x : arr)
|
||||
{
|
||||
j.m_value.array->push_back(x);
|
||||
}
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T,
|
||||
enable_if_t<std::is_convertible<T, BasicJsonType>::value, int> = 0>
|
||||
static void construct(BasicJsonType& j, const std::valarray<T>& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = value_t::array;
|
||||
j.m_value.array->resize(arr.size());
|
||||
std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin());
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::object>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj)
|
||||
{
|
||||
j.m_type = value_t::object;
|
||||
j.m_value = obj;
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj)
|
||||
{
|
||||
j.m_type = value_t::object;
|
||||
j.m_value = std::move(obj);
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleObjectType,
|
||||
enable_if_t<not std::is_same<CompatibleObjectType, typename BasicJsonType::object_t>::value, int> = 0>
|
||||
static void construct(BasicJsonType& j, const CompatibleObjectType& obj)
|
||||
{
|
||||
using std::begin;
|
||||
using std::end;
|
||||
|
||||
j.m_type = value_t::object;
|
||||
j.m_value.object = j.template create<typename BasicJsonType::object_t>(begin(obj), end(obj));
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
/////////////
|
||||
// to_json //
|
||||
/////////////
|
||||
|
||||
template<typename BasicJsonType, typename T,
|
||||
enable_if_t<std::is_same<T, typename BasicJsonType::boolean_t>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, T b) noexcept
|
||||
{
|
||||
external_constructor<value_t::boolean>::construct(j, b);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleString,
|
||||
enable_if_t<std::is_constructible<typename BasicJsonType::string_t, CompatibleString>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, const CompatibleString& s)
|
||||
{
|
||||
external_constructor<value_t::string>::construct(j, s);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, typename BasicJsonType::string_t&& s)
|
||||
{
|
||||
external_constructor<value_t::string>::construct(j, std::move(s));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename FloatType,
|
||||
enable_if_t<std::is_floating_point<FloatType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, FloatType val) noexcept
|
||||
{
|
||||
external_constructor<value_t::number_float>::construct(j, static_cast<typename BasicJsonType::number_float_t>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleNumberUnsignedType,
|
||||
enable_if_t<is_compatible_integer_type<typename BasicJsonType::number_unsigned_t, CompatibleNumberUnsignedType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, CompatibleNumberUnsignedType val) noexcept
|
||||
{
|
||||
external_constructor<value_t::number_unsigned>::construct(j, static_cast<typename BasicJsonType::number_unsigned_t>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleNumberIntegerType,
|
||||
enable_if_t<is_compatible_integer_type<typename BasicJsonType::number_integer_t, CompatibleNumberIntegerType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, CompatibleNumberIntegerType val) noexcept
|
||||
{
|
||||
external_constructor<value_t::number_integer>::construct(j, static_cast<typename BasicJsonType::number_integer_t>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename EnumType,
|
||||
enable_if_t<std::is_enum<EnumType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, EnumType e) noexcept
|
||||
{
|
||||
using underlying_type = typename std::underlying_type<EnumType>::type;
|
||||
external_constructor<value_t::number_integer>::construct(j, static_cast<underlying_type>(e));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, const std::vector<bool>& e)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, e);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleArrayType,
|
||||
enable_if_t<is_compatible_array_type<BasicJsonType, CompatibleArrayType>::value or
|
||||
std::is_same<typename BasicJsonType::array_t, CompatibleArrayType>::value,
|
||||
int> = 0>
|
||||
void to_json(BasicJsonType& j, const CompatibleArrayType& arr)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, arr);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T,
|
||||
enable_if_t<std::is_convertible<T, BasicJsonType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, std::valarray<T> arr)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, std::move(arr));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, typename BasicJsonType::array_t&& arr)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, std::move(arr));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleObjectType,
|
||||
enable_if_t<is_compatible_object_type<BasicJsonType, CompatibleObjectType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, const CompatibleObjectType& obj)
|
||||
{
|
||||
external_constructor<value_t::object>::construct(j, obj);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj)
|
||||
{
|
||||
external_constructor<value_t::object>::construct(j, std::move(obj));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T, std::size_t N,
|
||||
enable_if_t<not std::is_constructible<typename BasicJsonType::string_t, T (&)[N]>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, T (&arr)[N])
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, arr);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
void to_json(BasicJsonType& j, const std::pair<Args...>& p)
|
||||
{
|
||||
j = {p.first, p.second};
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename Tuple, std::size_t... Idx>
|
||||
void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence<Idx...>)
|
||||
{
|
||||
j = {std::get<Idx>(t)...};
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
void to_json(BasicJsonType& j, const std::tuple<Args...>& t)
|
||||
{
|
||||
to_json_tuple_impl(j, t, index_sequence_for<Args...> {});
|
||||
}
|
||||
|
||||
struct to_json_fn
|
||||
{
|
||||
private:
|
||||
template<typename BasicJsonType, typename T>
|
||||
auto call(BasicJsonType& j, T&& val, priority_tag<1> /*unused*/) const noexcept(noexcept(to_json(j, std::forward<T>(val))))
|
||||
-> decltype(to_json(j, std::forward<T>(val)), void())
|
||||
{
|
||||
return to_json(j, std::forward<T>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T>
|
||||
void call(BasicJsonType& /*unused*/, T&& /*unused*/, priority_tag<0> /*unused*/) const noexcept
|
||||
{
|
||||
static_assert(sizeof(BasicJsonType) == 0,
|
||||
"could not find to_json() method in T's namespace");
|
||||
|
||||
#ifdef _MSC_VER
|
||||
// MSVC does not show a stacktrace for the above assert
|
||||
using decayed = uncvref_t<T>;
|
||||
static_assert(sizeof(typename decayed::force_msvc_stacktrace) == 0,
|
||||
"forcing MSVC stacktrace to show which T we're talking about.");
|
||||
#endif
|
||||
}
|
||||
|
||||
public:
|
||||
template<typename BasicJsonType, typename T>
|
||||
void operator()(BasicJsonType& j, T&& val) const
|
||||
noexcept(noexcept(std::declval<to_json_fn>().call(j, std::forward<T>(val), priority_tag<1> {})))
|
||||
{
|
||||
return call(j, std::forward<T>(val), priority_tag<1> {});
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// namespace to hold default `to_json` function
|
||||
namespace
|
||||
{
|
||||
constexpr const auto& to_json = detail::static_const<detail::to_json_fn>::value;
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
322
src/json.hpp
322
src/json.hpp
@ -49,7 +49,6 @@ SOFTWARE.
|
||||
#include <numeric> // accumulate
|
||||
#include <sstream> // stringstream
|
||||
#include <utility> // declval, forward, make_pair, move, pair, swap
|
||||
#include <valarray> // valarray
|
||||
|
||||
#include "json_fwd.hpp"
|
||||
#include "detail/macro_scope.hpp"
|
||||
@ -57,6 +56,7 @@ SOFTWARE.
|
||||
#include "detail/exceptions.hpp"
|
||||
#include "detail/value_t.hpp"
|
||||
#include "detail/conversions/from_json.hpp"
|
||||
#include "detail/conversions/to_json.hpp"
|
||||
|
||||
/*!
|
||||
@brief namespace for Niels Lohmann
|
||||
@ -67,320 +67,6 @@ namespace nlohmann
|
||||
{
|
||||
namespace detail
|
||||
{
|
||||
//////////////////
|
||||
// constructors //
|
||||
//////////////////
|
||||
|
||||
template<value_t> struct external_constructor;
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::boolean>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept
|
||||
{
|
||||
j.m_type = value_t::boolean;
|
||||
j.m_value = b;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::string>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s)
|
||||
{
|
||||
j.m_type = value_t::string;
|
||||
j.m_value = s;
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s)
|
||||
{
|
||||
j.m_type = value_t::string;
|
||||
j.m_value = std::move(s);
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::number_float>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept
|
||||
{
|
||||
j.m_type = value_t::number_float;
|
||||
j.m_value = val;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::number_unsigned>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept
|
||||
{
|
||||
j.m_type = value_t::number_unsigned;
|
||||
j.m_value = val;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::number_integer>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept
|
||||
{
|
||||
j.m_type = value_t::number_integer;
|
||||
j.m_value = val;
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::array>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = arr;
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = std::move(arr);
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleArrayType,
|
||||
enable_if_t<not std::is_same<CompatibleArrayType, typename BasicJsonType::array_t>::value,
|
||||
int> = 0>
|
||||
static void construct(BasicJsonType& j, const CompatibleArrayType& arr)
|
||||
{
|
||||
using std::begin;
|
||||
using std::end;
|
||||
j.m_type = value_t::array;
|
||||
j.m_value.array = j.template create<typename BasicJsonType::array_t>(begin(arr), end(arr));
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const std::vector<bool>& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = value_t::array;
|
||||
j.m_value.array->reserve(arr.size());
|
||||
for (const bool x : arr)
|
||||
{
|
||||
j.m_value.array->push_back(x);
|
||||
}
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T,
|
||||
enable_if_t<std::is_convertible<T, BasicJsonType>::value, int> = 0>
|
||||
static void construct(BasicJsonType& j, const std::valarray<T>& arr)
|
||||
{
|
||||
j.m_type = value_t::array;
|
||||
j.m_value = value_t::array;
|
||||
j.m_value.array->resize(arr.size());
|
||||
std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin());
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
template<>
|
||||
struct external_constructor<value_t::object>
|
||||
{
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj)
|
||||
{
|
||||
j.m_type = value_t::object;
|
||||
j.m_value = obj;
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj)
|
||||
{
|
||||
j.m_type = value_t::object;
|
||||
j.m_value = std::move(obj);
|
||||
j.assert_invariant();
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleObjectType,
|
||||
enable_if_t<not std::is_same<CompatibleObjectType, typename BasicJsonType::object_t>::value, int> = 0>
|
||||
static void construct(BasicJsonType& j, const CompatibleObjectType& obj)
|
||||
{
|
||||
using std::begin;
|
||||
using std::end;
|
||||
|
||||
j.m_type = value_t::object;
|
||||
j.m_value.object = j.template create<typename BasicJsonType::object_t>(begin(obj), end(obj));
|
||||
j.assert_invariant();
|
||||
}
|
||||
};
|
||||
|
||||
/////////////
|
||||
// to_json //
|
||||
/////////////
|
||||
|
||||
template<typename BasicJsonType, typename T,
|
||||
enable_if_t<std::is_same<T, typename BasicJsonType::boolean_t>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, T b) noexcept
|
||||
{
|
||||
external_constructor<value_t::boolean>::construct(j, b);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleString,
|
||||
enable_if_t<std::is_constructible<typename BasicJsonType::string_t, CompatibleString>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, const CompatibleString& s)
|
||||
{
|
||||
external_constructor<value_t::string>::construct(j, s);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, typename BasicJsonType::string_t&& s)
|
||||
{
|
||||
external_constructor<value_t::string>::construct(j, std::move(s));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename FloatType,
|
||||
enable_if_t<std::is_floating_point<FloatType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, FloatType val) noexcept
|
||||
{
|
||||
external_constructor<value_t::number_float>::construct(j, static_cast<typename BasicJsonType::number_float_t>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleNumberUnsignedType,
|
||||
enable_if_t<is_compatible_integer_type<typename BasicJsonType::number_unsigned_t, CompatibleNumberUnsignedType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, CompatibleNumberUnsignedType val) noexcept
|
||||
{
|
||||
external_constructor<value_t::number_unsigned>::construct(j, static_cast<typename BasicJsonType::number_unsigned_t>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleNumberIntegerType,
|
||||
enable_if_t<is_compatible_integer_type<typename BasicJsonType::number_integer_t, CompatibleNumberIntegerType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, CompatibleNumberIntegerType val) noexcept
|
||||
{
|
||||
external_constructor<value_t::number_integer>::construct(j, static_cast<typename BasicJsonType::number_integer_t>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename EnumType,
|
||||
enable_if_t<std::is_enum<EnumType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, EnumType e) noexcept
|
||||
{
|
||||
using underlying_type = typename std::underlying_type<EnumType>::type;
|
||||
external_constructor<value_t::number_integer>::construct(j, static_cast<underlying_type>(e));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, const std::vector<bool>& e)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, e);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleArrayType,
|
||||
enable_if_t<is_compatible_array_type<BasicJsonType, CompatibleArrayType>::value or
|
||||
std::is_same<typename BasicJsonType::array_t, CompatibleArrayType>::value,
|
||||
int> = 0>
|
||||
void to_json(BasicJsonType& j, const CompatibleArrayType& arr)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, arr);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T,
|
||||
enable_if_t<std::is_convertible<T, BasicJsonType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, std::valarray<T> arr)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, std::move(arr));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, typename BasicJsonType::array_t&& arr)
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, std::move(arr));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename CompatibleObjectType,
|
||||
enable_if_t<is_compatible_object_type<BasicJsonType, CompatibleObjectType>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, const CompatibleObjectType& obj)
|
||||
{
|
||||
external_constructor<value_t::object>::construct(j, obj);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType>
|
||||
void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj)
|
||||
{
|
||||
external_constructor<value_t::object>::construct(j, std::move(obj));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T, std::size_t N,
|
||||
enable_if_t<not std::is_constructible<typename BasicJsonType::string_t, T (&)[N]>::value, int> = 0>
|
||||
void to_json(BasicJsonType& j, T (&arr)[N])
|
||||
{
|
||||
external_constructor<value_t::array>::construct(j, arr);
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
void to_json(BasicJsonType& j, const std::pair<Args...>& p)
|
||||
{
|
||||
j = {p.first, p.second};
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename Tuple, std::size_t... Idx>
|
||||
void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence<Idx...>)
|
||||
{
|
||||
j = {std::get<Idx>(t)...};
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename... Args>
|
||||
void to_json(BasicJsonType& j, const std::tuple<Args...>& t)
|
||||
{
|
||||
to_json_tuple_impl(j, t, index_sequence_for<Args...> {});
|
||||
}
|
||||
|
||||
struct to_json_fn
|
||||
{
|
||||
private:
|
||||
template<typename BasicJsonType, typename T>
|
||||
auto call(BasicJsonType& j, T&& val, priority_tag<1> /*unused*/) const noexcept(noexcept(to_json(j, std::forward<T>(val))))
|
||||
-> decltype(to_json(j, std::forward<T>(val)), void())
|
||||
{
|
||||
return to_json(j, std::forward<T>(val));
|
||||
}
|
||||
|
||||
template<typename BasicJsonType, typename T>
|
||||
void call(BasicJsonType& /*unused*/, T&& /*unused*/, priority_tag<0> /*unused*/) const noexcept
|
||||
{
|
||||
static_assert(sizeof(BasicJsonType) == 0,
|
||||
"could not find to_json() method in T's namespace");
|
||||
|
||||
#ifdef _MSC_VER
|
||||
// MSVC does not show a stacktrace for the above assert
|
||||
using decayed = uncvref_t<T>;
|
||||
static_assert(sizeof(typename decayed::force_msvc_stacktrace) == 0,
|
||||
"forcing MSVC stacktrace to show which T we're talking about.");
|
||||
#endif
|
||||
}
|
||||
|
||||
public:
|
||||
template<typename BasicJsonType, typename T>
|
||||
void operator()(BasicJsonType& j, T&& val) const
|
||||
noexcept(noexcept(std::declval<to_json_fn>().call(j, std::forward<T>(val), priority_tag<1> {})))
|
||||
{
|
||||
return call(j, std::forward<T>(val), priority_tag<1> {});
|
||||
}
|
||||
};
|
||||
|
||||
////////////////////
|
||||
// input adapters //
|
||||
////////////////////
|
||||
@ -5884,12 +5570,6 @@ class json_ref
|
||||
|
||||
} // namespace detail
|
||||
|
||||
/// namespace to hold default `to_json` function
|
||||
namespace
|
||||
{
|
||||
constexpr const auto& to_json = detail::static_const<detail::to_json_fn>::value;
|
||||
}
|
||||
|
||||
template<typename, typename>
|
||||
struct adl_serializer
|
||||
{
|
||||
|
Loading…
Reference in New Issue
Block a user