// // 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