generic-library/msgpack
1
0
Fork 0
mirror of https://github.com/msgpack/msgpack-c.git synced 2025-10-14 23:07:58 +02:00
Code Issues Projects Releases Wiki Activity

fix style

Browse Source
This commit is contained in:
Uy Ha
2023-07-04 06:06:43 +00:00
parent 6507243913
commit 35638ead37
2 changed files with 51 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
include/msgpack/v1/adaptor/cpp17/variant.hpp
View File

@@ -32,11 +32,13 @@ template <
typename T,
typename... Ts,
std::size_t current_index,
std::size_t... indices>
std::size_t... indices
>
Variant construct_variant(
std::size_t index,
msgpack::object& object,
std::index_sequence<current_index, indices...>) {
std::index_sequence<current_index, indices...>
) {
if constexpr(sizeof...(Ts) == 0) {
return object.as<T>();
}
@@ -45,9 +47,10 @@ Variant construct_variant(
return object.as<T>();
}
return construct_variant<Variant, Ts...>(
index,
object,
std::index_sequence<indices...>());
index,
object,
std::index_sequence<indices...>()
);
}
}
@@ -70,16 +73,16 @@ template <typename... Ts>
struct as<std::variant<Ts...>, typename std::enable_if<(msgpack::has_as<Ts>::value && ...)>::type> {
std::variant<Ts...> operator()(msgpack::object const& o) const {
if ( o.type != msgpack::type::ARRAY
|| o.via.array.size != 2
|| o.via.array.ptr[0].type != msgpack::type::POSITIVE_INTEGER
|| o.via.array.ptr[0].via.u64 >= sizeof...(Ts)) {
|| o.via.array.size != 2
|| o.via.array.ptr[0].type != msgpack::type::POSITIVE_INTEGER
|| o.via.array.ptr[0].via.u64 >= sizeof...(Ts)) {
throw msgpack::type_error{};
}
return detail::construct_variant<std::variant<Ts...>, Ts...>(
o.via.array.ptr[0].as<std::size_t>(),
o.via.array.ptr[1],
std::make_index_sequence<sizeof...(Ts)>()
o.via.array.ptr[0].as<std::size_t>(),
o.via.array.ptr[1],
std::make_index_sequence<sizeof...(Ts)>()
);
}
};
@@ -88,16 +91,16 @@ template<typename... Ts>
struct convert<std::variant<Ts...>> {
msgpack::object const& operator()(msgpack::object const& o, std::variant<Ts...>& v) const {
if ( o.type != msgpack::type::ARRAY
|| o.via.array.size != 2
|| o.via.array.ptr[0].type != msgpack::type::POSITIVE_INTEGER
|| o.via.array.ptr[0].via.u64 >= sizeof...(Ts)) {
|| o.via.array.size != 2
|| o.via.array.ptr[0].type != msgpack::type::POSITIVE_INTEGER
|| o.via.array.ptr[0].via.u64 >= sizeof...(Ts)) {
throw msgpack::type_error{};
}
v = detail::construct_variant<std::variant<Ts...>, Ts...>(
o.via.array.ptr[0].as<std::size_t>(),
o.via.array.ptr[1],
std::make_index_sequence<sizeof...(Ts)>()
o.via.array.ptr[0].as<std::size_t>(),
o.via.array.ptr[1],
std::make_index_sequence<sizeof...(Ts)>()
);
return o;
}
@@ -106,7 +109,10 @@ struct convert<std::variant<Ts...>> {
template <typename... Ts>
struct pack<std::variant<Ts...>>{
template<typename Stream>
msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, std::variant<Ts...> const& v) const {
msgpack::packer<Stream>& operator()(
msgpack::packer<Stream>& o,
std::variant<Ts...> const& v
) const {
o.pack_array(2);
o.pack_uint64(v.index());
std::visit([&o](auto const& value){o.pack(value);}, v);
@@ -117,10 +123,17 @@ struct pack<std::variant<Ts...>>{
template<typename... Ts>
struct object_with_zone<std::variant<Ts...>> {
void operator()(msgpack::object::with_zone& o, std::variant<Ts...> const& v) const {
msgpack::object *p = static_cast<msgpack::object *>(
o.zone.allocate_align(sizeof(msgpack::object) * 2,
MSGPACK_ZONE_ALIGNOF(msgpack::object)));
void operator()(
msgpack::object::with_zone& o,
std::variant<Ts...> const& v
) const {
msgpack::object *p =
static_cast<msgpack::object *>(
o.zone.allocate_align(
sizeof(msgpack::object) * 2,
MSGPACK_ZONE_ALIGNOF(msgpack::object)
)
);
o.type = msgpack::type::ARRAY;
o.via.array.size = 2;

31
test/msgpack_cpp17.cpp
View File

@@ -464,24 +464,25 @@ BOOST_AUTO_TEST_CASE(carray_byte_object_with_zone)
#if defined(MSGPACK_USE_STD_VARIANT_ADAPTOR)
BOOST_AUTO_TEST_CASE(variant_pack_unpack_as) {
std::stringstream ss;
std::variant<bool, int, float, double> val1{1.0};
msgpack::pack(ss, val1);
std::string const& str = ss.str();
msgpack::object_handle oh =
msgpack::unpack(str.data(), str.size());
std::variant<bool, int, float, double> val2 = oh.get().as<std::variant<bool, int, float, double> >();
BOOST_CHECK(val1 == val2);
BOOST_CHECK_THROW((oh.get().as<std::variant<bool>>()), msgpack::type_error);
std::stringstream ss;
std::variant<bool, int, float, double> val1{1.0};
msgpack::pack(ss, val1);
std::string const& str = ss.str();
msgpack::object_handle oh =
msgpack::unpack(str.data(), str.size());
std::variant<bool, int, float, double> val2 =
oh.get().as<std::variant<bool, int, float, double> >();
BOOST_CHECK(val1 == val2);
BOOST_CHECK_THROW((oh.get().as<std::variant<bool>>()), msgpack::type_error);
}
BOOST_AUTO_TEST_CASE(variant_with_zone) {
msgpack::zone z;
std::variant<bool, int, float, double> val1{1.0};
msgpack::object obj(val1, z);
std::variant<bool, int, float, double> val2 = obj.as<std::variant<bool, int, float, double>>();
BOOST_CHECK(val1 == val2);
BOOST_CHECK_THROW((obj.as<std::variant<bool>>()), msgpack::type_error);
msgpack::zone z;
std::variant<bool, int, float, double> val1{1.0};
msgpack::object obj(val1, z);
std::variant<bool, int, float, double> val2 = obj.as<std::variant<bool, int, float, double>>();
BOOST_CHECK(val1 == val2);
BOOST_CHECK_THROW((obj.as<std::variant<bool>>()), msgpack::type_error);
}
#endif // defined(MSGPACK_USE_STD_VARIANT_ADAPTOR)