lib/json
1
0
Fork 0
mirror of https://github.com/nlohmann/json.git synced 2025-07-25 13:41:56 +03:00
Code Activity

🐛 re-added support for std::valarray #702

Browse Source
This commit is contained in:
Niels Lohmann
2017-08-22 23:28:23 +02:00
parent 41b2c69bdb
commit 9fd031b6f4
4 changed files with 113 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
src/json.hpp
View File

@ -54,6 +54,7 @@ SOFTWARE.
#include <string> // getline, stoi, string, to_string
#include <type_traits> // add_pointer, conditional, decay, enable_if, false_type, integral_constant, is_arithmetic, is_base_of, is_const, is_constructible, is_convertible, is_default_constructible, is_enum, is_floating_point, is_integral, is_nothrow_move_assignable, is_nothrow_move_constructible, is_pointer, is_reference, is_same, is_scalar, is_signed, remove_const, remove_cv, remove_pointer, remove_reference, true_type, underlying_type
#include <utility> // declval, forward, make_pair, move, pair, swap
#include <valarray> // valarray
#include <vector> // vector
// exclude unsupported compilers
@ -661,6 +662,18 @@ struct external_constructor<value_t::array>
}
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)
{
using std::begin;
using std::end;
j.m_type = value_t::array;
j.m_value = value_t::array;
j.m_value.array = j.template create<typename BasicJsonType::array_t>(begin(arr), end(arr));
j.assert_invariant();
}
};
template<>
@ -921,11 +934,18 @@ template <
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)
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)
{
@ -936,7 +956,7 @@ 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)
void to_json(BasicJsonType& j, const CompatibleObjectType& obj)
{
external_constructor<value_t::object>::construct(j, obj);
}
@ -1082,6 +1102,22 @@ void from_json(const BasicJsonType& j, std::forward_list<T, Allocator>& l)
});
}
// valarray doesn't have an insert method
template<typename BasicJsonType, typename T,
enable_if_t<std::is_convertible<BasicJsonType, T>::value, int> = 0>
void from_json(const BasicJsonType& j, std::valarray<T>& l)
{
if (JSON_UNLIKELY(not j.is_array()))
{
JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name())));
}
l.resize(j.size());
for (size_t i = 0; i < j.size(); ++i)
{
l[i] = j[i];
}
}
template<typename BasicJsonType, typename CompatibleArrayType>
void from_json_array_impl(const BasicJsonType& j, CompatibleArrayType& arr, priority_tag<0> /*unused*/)
{
@ -4441,7 +4477,7 @@ class binary_reader
*/
BasicJsonType parse_msgpack(const bool strict)
{
const auto res = parse_msgpack_internal();
const auto res = parse_msgpack_internal();
if (strict)
{
get();
@ -13187,7 +13223,7 @@ class basic_json
*/
template<typename A1, typename A2,
detail::enable_if_t<std::is_constructible<detail::input_adapter, A1, A2>::value, int> = 0>
static basic_json from_cbor(A1&& a1, A2&& a2, const bool strict = true)
static basic_json from_cbor(A1 && a1, A2 && a2, const bool strict = true)
{
return binary_reader(detail::input_adapter(std::forward<A1>(a1), std::forward<A2>(a2))).parse_cbor(strict);
}
@ -13274,7 +13310,7 @@ class basic_json
*/
template<typename A1, typename A2,
detail::enable_if_t<std::is_constructible<detail::input_adapter, A1, A2>::value, int> = 0>
static basic_json from_msgpack(A1&& a1, A2&& a2, const bool strict = true)
static basic_json from_msgpack(A1 && a1, A2 && a2, const bool strict = true)
{
return binary_reader(detail::input_adapter(std::forward<A1>(a1), std::forward<A2>(a2))).parse_msgpack(strict);
}