// // MessagePack for C++ static resolution routine // // Copyright © 2008-2015 FURUHASHI Sadayuki and KONDO Takatoshi // // Licensed under the Apache License, Version 2.0 (the “License”); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an “AS IS” BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // ifndef MSGPACK_CPP11_TUPLE_HPP define MSGPACK_CPP11_TUPLE_HPP
include “msgpack/versioning.hpp” include “msgpack/adaptor/adaptor_base.hpp” include “msgpack/adaptor/check_container_size.hpp”
include <tuple>
namespace msgpack {
/// @cond MSGPACK_API_VERSION_NAMESPACE(v1) { /// @endcond
// — Pack from tuple to packer stream — template <typename Stream, typename Tuple, std::size_t N> struct StdTuplePacker {
static void pack( msgpack::packer<Stream>& o, const Tuple& v) { StdTuplePacker<Stream, Tuple, N-1>::pack(o, v); o.pack(std::get<N-1>(v)); }
};
template <typename Stream, typename Tuple> struct StdTuplePacker<Stream, Tuple, 1> {
static void pack ( msgpack::packer<Stream>& o, const Tuple& v) { o.pack(std::get<0>(v)); }
};
template <typename Stream, typename Tuple> struct StdTuplePacker<Stream, Tuple, 0> {
static void pack ( msgpack::packer<Stream>&, const Tuple&) { }
};
namespace adaptor {
template <typename… Args> struct pack<std::tuple<Args…>> {
template <typename Stream> msgpack::packer<Stream>& operator()( msgpack::packer<Stream>& o, const std::tuple<Args...>& v) const { uint32_t size = checked_get_container_size(sizeof...(Args)); o.pack_array(size); StdTuplePacker<Stream, decltype(v), sizeof...(Args)>::pack(o, v); return o; }
};
} // namespace adaptor
// — Convert from tuple to object —
template <typename Tuple, std::size_t N> struct StdTupleConverter {
static void convert( msgpack::object const& o, Tuple& v) { StdTupleConverter<Tuple, N-1>::convert(o, v); o.via.array.ptr[N-1].convert<typename std::remove_reference<decltype(std::get<N-1>(v))>::type>(std::get<N-1>(v)); }
};
template <typename Tuple> struct StdTupleConverter<Tuple, 1> {
static void convert ( msgpack::object const& o, Tuple& v) { o.via.array.ptr[0].convert<typename std::remove_reference<decltype(std::get<0>(v))>::type>(std::get<0>(v)); }
};
template <typename Tuple> struct StdTupleConverter<Tuple, 0> {
static void convert ( msgpack::object const&, Tuple&) { }
};
namespace adaptor {
template <typename… Args> struct convert<std::tuple<Args…>> {
msgpack::object const& operator()( msgpack::object const& o, std::tuple<Args...>& v) const { if(o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); } if(o.via.array.size < sizeof...(Args)) { throw msgpack::type_error(); } StdTupleConverter<decltype(v), sizeof...(Args)>::convert(o, v); return o; }
};
} // namespace adaptor
// — Convert from tuple to object with zone — template <typename Tuple, std::size_t N> struct StdTupleToObjectWithZone {
static void convert( msgpack::object::with_zone& o, const Tuple& v) { StdTupleToObjectWithZone<Tuple, N-1>::convert(o, v); o.via.array.ptr[N-1] = msgpack::object(std::get<N-1>(v), o.zone); }
};
template <typename Tuple> struct StdTupleToObjectWithZone<Tuple, 1> {
static void convert ( msgpack::object::with_zone& o, const Tuple& v) { o.via.array.ptr[0] = msgpack::object(std::get<0>(v), o.zone); }
};
template <typename Tuple> struct StdTupleToObjectWithZone<Tuple, 0> {
static void convert ( msgpack::object::with_zone&, const Tuple&) { }
};
namespace adaptor {
template <typename… Args> struct object_with_zone<std::tuple<Args…>> {
void operator()( msgpack::object::with_zone& o, std::tuple<Args...> const& v) const { uint32_t size = checked_get_container_size(sizeof...(Args)); o.type = msgpack::type::ARRAY; o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size)); o.via.array.size = size; StdTupleToObjectWithZone<decltype(v), sizeof...(Args)>::convert(o, v); }
};
} // namespace adaptor
/// @cond } // MSGPACK_API_VERSION_NAMESPACE(v1) /// @endcond
} // namespace msgpack
endif // MSGPACK_CPP11_TUPLE_HPP