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129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
//
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// MessagePack for C++ static resolution routine
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//
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// Copyright (C) 2008-2016 FURUHASHI Sadayuki and KONDO Takatoshi
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef MSGPACK_V1_CPP11_DEFINE_ARRAY_HPP
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#define MSGPACK_V1_CPP11_DEFINE_ARRAY_HPP
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#include "msgpack/v1/adaptor/detail/cpp11_define_array_decl.hpp"
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#include "msgpack/v1/adaptor/detail/cpp11_convert_helper.hpp"
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#include <tuple>
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namespace msgpack {
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/// @cond
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MSGPACK_API_VERSION_NAMESPACE(v1) {
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/// @endcond
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namespace type {
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template <typename Tuple, std::size_t N>
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struct define_array_imp {
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template <typename Packer>
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static void pack(Packer& pk, Tuple const& t) {
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define_array_imp<Tuple, N-1>::pack(pk, t);
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pk.pack(std::get<N-1>(t));
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}
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static void unpack(msgpack::object const& o, Tuple& t) {
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define_array_imp<Tuple, N-1>::unpack(o, t);
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const size_t size = o.via.array.size;
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if(size <= N-1) { return; }
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convert_helper(o.via.array.ptr[N-1], std::get<N-1>(t));
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}
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static void object(msgpack::object* o, msgpack::zone& z, Tuple const& t) {
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define_array_imp<Tuple, N-1>::object(o, z, t);
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o->via.array.ptr[N-1] = msgpack::object(std::get<N-1>(t), z);
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}
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};
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template <typename Tuple>
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struct define_array_imp<Tuple, 1> {
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template <typename Packer>
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static void pack(Packer& pk, Tuple const& t) {
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pk.pack(std::get<0>(t));
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}
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static void unpack(msgpack::object const& o, Tuple& t) {
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const size_t size = o.via.array.size;
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if(size <= 0) { return; }
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convert_helper(o.via.array.ptr[0], std::get<0>(t));
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}
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static void object(msgpack::object* o, msgpack::zone& z, Tuple const& t) {
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o->via.array.ptr[0] = msgpack::object(std::get<0>(t), z);
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}
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};
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template <typename... Args>
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struct define_array {
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typedef define_array<Args...> value_type;
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typedef std::tuple<Args...> tuple_type;
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define_array(Args&... args) :
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a(args...) {}
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template <typename Packer>
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void msgpack_pack(Packer& pk) const
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{
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pk.pack_array(sizeof...(Args));
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define_array_imp<std::tuple<Args&...>, sizeof...(Args)>::pack(pk, a);
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}
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void msgpack_unpack(msgpack::object const& o)
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{
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if(o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); }
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define_array_imp<std::tuple<Args&...>, sizeof...(Args)>::unpack(o, a);
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}
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void msgpack_object(msgpack::object* o, msgpack::zone& z) const
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{
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o->type = msgpack::type::ARRAY;
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o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*sizeof...(Args), MSGPACK_ZONE_ALIGNOF(msgpack::object)));
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o->via.array.size = sizeof...(Args);
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define_array_imp<std::tuple<Args&...>, sizeof...(Args)>::object(o, z, a);
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}
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std::tuple<Args&...> a;
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};
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template <>
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struct define_array<> {
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typedef define_array<> value_type;
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typedef std::tuple<> tuple_type;
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template <typename Packer>
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void msgpack_pack(Packer& pk) const
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{
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pk.pack_array(0);
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}
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void msgpack_unpack(msgpack::object const& o)
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{
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if(o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); }
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}
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void msgpack_object(msgpack::object* o, msgpack::zone&) const
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{
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o->type = msgpack::type::ARRAY;
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o->via.array.ptr = NULL;
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o->via.array.size = 0;
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}
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};
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inline define_array<> make_define_array()
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{
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return define_array<>();
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}
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template <typename... Args>
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inline define_array<Args...> make_define_array(Args&... args)
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{
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return define_array<Args...>(args...);
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}
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} // namespace type
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/// @cond
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} // MSGPACK_API_VERSION_NAMESPACE(v1)
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/// @endcond
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} // namespace msgpack
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#endif // MSGPACK_V1_CPP11_DEFINE_ARRAY_HPP
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