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Diffstat (limited to 'third_party/msgpack/include/msgpack/v1/adaptor/cpp11/tuple.hpp')
-rw-r--r-- | third_party/msgpack/include/msgpack/v1/adaptor/cpp11/tuple.hpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/third_party/msgpack/include/msgpack/v1/adaptor/cpp11/tuple.hpp b/third_party/msgpack/include/msgpack/v1/adaptor/cpp11/tuple.hpp new file mode 100644 index 0000000000..08b14f5c4a --- /dev/null +++ b/third_party/msgpack/include/msgpack/v1/adaptor/cpp11/tuple.hpp @@ -0,0 +1,175 @@ +// +// MessagePack for C++ static resolution routine +// +// Copyright (C) 2008-2015 FURUHASHI Sadayuki and KONDO Takatoshi +// +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +#ifndef MSGPACK_V1_TYPE_CPP11_TUPLE_HPP +#define MSGPACK_V1_TYPE_CPP11_TUPLE_HPP + +#include "msgpack/versioning.hpp" +#include "msgpack/adaptor/adaptor_base.hpp" +#include "msgpack/adaptor/check_container_size.hpp" +#include "msgpack/meta.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, 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... Args> +struct StdTupleAs; + +template <typename T, typename... Args> +struct StdTupleAsImpl { + static std::tuple<T, Args...> as(msgpack::object const& o) { + return std::tuple_cat( + std::make_tuple(o.via.array.ptr[o.via.array.size - sizeof...(Args) - 1].as<T>()), + StdTupleAs<Args...>::as(o)); + } +}; + +template <typename... Args> +struct StdTupleAs { + static std::tuple<Args...> as(msgpack::object const& o) { + return StdTupleAsImpl<Args...>::as(o); + } +}; + +template <> +struct StdTupleAs<> { + static std::tuple<> as (msgpack::object const&) { + return std::tuple<>(); + } +}; + +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); + if (o.via.array.size >= N) + 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, 0> { + static void convert ( + msgpack::object const&, + Tuple&) { + } +}; + +namespace adaptor { + +template <typename... Args> +struct as<std::tuple<Args...>, typename std::enable_if<msgpack::any_of<msgpack::has_as, Args...>::value>::type> { + std::tuple<Args...> operator()( + msgpack::object const& o) const { + if (o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); } + return StdTupleAs<Args...>::as(o); + } +}; + +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(); } + 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, 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, MSGPACK_ZONE_ALIGNOF(msgpack::object))); + 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_V1_TYPE_CPP11_TUPLE_HPP |