// // MessagePack for C++ static resolution routine // // Copyright © 2008-2014 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_MSGPACK_TUPLE_HPP define MSGPACK_CPP11_MSGPACK_TUPLE_HPP
include “msgpack/versioning.hpp” include “msgpack/object_fwd.hpp”
include <tuple>
namespace msgpack {
/// @cond MSGPACK_API_VERSION_NAMESPACE(v1) { /// @endcond
namespace type {
// tuple using std::get; using std::tuple_size; using std::tuple_element; using std::uses_allocator; using std::ignore; using std::make_tuple; using std::tie; using std::forward_as_tuple; using std::swap; template< class... Types > class tuple : public std::tuple<Types...> { public: using base = std::tuple<Types...>; using base::base; tuple() = default; tuple(tuple const&) = default; tuple(tuple&&) = default; template<typename... OtherTypes> tuple(tuple<OtherTypes...> const& other):base(static_cast<std::tuple<OtherTypes...> const&>(other)) {} template<typename... OtherTypes> tuple(tuple<OtherTypes...> && other):base(static_cast<std::tuple<OtherTypes...> &&>(other)) {} tuple& operator=(tuple const&) = default; tuple& operator=(tuple&&) = default; template<typename... OtherTypes> tuple& operator=(tuple<OtherTypes...> const& other) { *static_cast<base*>(this) = static_cast<std::tuple<OtherTypes...> const&>(other); return *this; } template<typename... OtherTypes> tuple& operator=(tuple<OtherTypes...> && other) { *static_cast<base*>(this) = static_cast<std::tuple<OtherTypes...> &&>(other); return *this; } template< std::size_t I> typename tuple_element<I, base >::type& get() { return std::get<I>(*this); } template< std::size_t I> typename tuple_element<I, base >::type const& get() const { return std::get<I>(*this); } template< std::size_t I> typename tuple_element<I, base >::type&& get() && { return std::get<I>(*this); } }; template< class... Tuples > auto tuple_cat(Tuples&&... args) -> decltype( std::tuple_cat(std::forward<typename std::remove_reference<Tuples>::type::base>(args)...) ) { return std::tuple_cat(std::forward<typename std::remove_reference<Tuples>::type::base>(args)...); }
} // namespace type
// — Pack from tuple to packer stream — template <typename Stream, typename Tuple, std::size_t N> struct MsgpackTuplePacker {
static void pack( msgpack::packer<Stream>& o, const Tuple& v) { MsgpackTuplePacker<Stream, Tuple, N-1>::pack(o, v); o.pack(type::get<N-1>(v)); }
};
template <typename Stream, typename Tuple> struct MsgpackTuplePacker<Stream, Tuple, 1> {
static void pack ( msgpack::packer<Stream>& o, const Tuple& v) { o.pack(type::get<0>(v)); }
};
template <typename Stream, typename Tuple> struct MsgpackTuplePacker<Stream, Tuple, 0> {
static void pack ( msgpack::packer<Stream>&, const Tuple&) { }
};
namespace adaptor {
template <typename… Args> struct pack<type::tuple<Args…>> {
template <typename Stream> msgpack::packer<Stream>& operator()( msgpack::packer<Stream>& o, const type::tuple<Args...>& v) const { o.pack_array(sizeof...(Args)); MsgpackTuplePacker<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 MsgpackTupleConverter {
static void convert( msgpack::object const& o, Tuple& v) { MsgpackTupleConverter<Tuple, N-1>::convert(o, v); o.via.array.ptr[N-1].convert<typename std::remove_reference<decltype(type::get<N-1>(v))>::type>(type::get<N-1>(v)); }
};
template <typename Tuple> struct MsgpackTupleConverter<Tuple, 1> {
static void convert ( msgpack::object const& o, Tuple& v) { o.via.array.ptr[0].convert<typename std::remove_reference<decltype(type::get<0>(v))>::type>(type::get<0>(v)); }
};
template <typename Tuple> struct MsgpackTupleConverter<Tuple, 0> {
static void convert ( msgpack::object const&, Tuple&) { }
};
namespace adaptor {
template <typename… Args> struct convert<type::tuple<Args…>> {
msgpack::object const& operator()( msgpack::object const& o, type::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(); } MsgpackTupleConverter<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 MsgpackTupleToObjectWithZone {
static void convert( msgpack::object::with_zone& o, const Tuple& v) { MsgpackTupleToObjectWithZone<Tuple, N-1>::convert(o, v); o.via.array.ptr[N-1] = msgpack::object(type::get<N-1>(v), o.zone); }
};
template <typename Tuple> struct MsgpackTupleToObjectWithZone<Tuple, 1> {
static void convert ( msgpack::object::with_zone& o, const Tuple& v) { o.via.array.ptr[0] = msgpack::object(type::get<0>(v), o.zone); }
};
template <typename Tuple> struct MsgpackTupleToObjectWithZone<Tuple, 0> {
static void convert ( msgpack::object::with_zone&, const Tuple&) { }
};
namespace adaptor {
template <typename… Args>
struct object_with_zone<type::tuple<Args...>> { void operator()( msgpack::object::with_zone& o, type::tuple<Args...> const& v) const { o.type = msgpack::type::ARRAY; o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*sizeof...(Args))); o.via.array.size = sizeof...(Args); MsgpackTupleToObjectWithZone<decltype(v), sizeof...(Args)>::convert(o, v); }
};
} // namespace adaptor
/// @cond } // MSGPACK_API_VERSION_NAMESPACE(v1) ///
} // namespace msgpack
endif // MSGPACK_CPP11_MSGPACK_TUPLE_HPP