139 lines
4.3 KiB
C++
139 lines
4.3 KiB
C++
//
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// MessagePack for C++ static resolution routine
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//
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// Copyright (C) 2014-2015 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_TYPE_CPP11_ARRAY_HPP
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#define MSGPACK_V1_TYPE_CPP11_ARRAY_HPP
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#include "rpc/msgpack/versioning.hpp"
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#include "rpc/msgpack/adaptor/adaptor_base.hpp"
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#include "rpc/msgpack/adaptor/check_container_size.hpp"
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#include "rpc/msgpack/meta.hpp"
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#include <array>
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namespace clmdep_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 adaptor {
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namespace detail {
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namespace array {
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template<typename T, std::size_t N1, std::size_t... I1, std::size_t N2, std::size_t... I2>
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inline std::array<T, N1+N2> concat(
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std::array<T, N1>&& a1,
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std::array<T, N2>&& a2,
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clmdep_msgpack::seq<I1...>,
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clmdep_msgpack::seq<I2...>) {
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return {{ std::move(a1[I1])..., std::move(a2[I2])... }};
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}
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template<typename T, std::size_t N1, std::size_t N2>
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inline std::array<T, N1+N2> concat(std::array<T, N1>&& a1, std::array<T, N2>&& a2) {
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return concat(std::move(a1), std::move(a2), clmdep_msgpack::gen_seq<N1>(), clmdep_msgpack::gen_seq<N2>());
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}
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template <typename T, std::size_t N>
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struct as_impl {
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static std::array<T, N> as(clmdep_msgpack::object const& o) {
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clmdep_msgpack::object* p = o.via.array.ptr + N - 1;
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return concat(as_impl<T, N-1>::as(o), std::array<T, 1>{{p->as<T>()}});
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}
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};
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template <typename T>
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struct as_impl<T, 1> {
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static std::array<T, 1> as(clmdep_msgpack::object const& o) {
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clmdep_msgpack::object* p = o.via.array.ptr;
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return std::array<T, 1>{{p->as<T>()}};
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}
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};
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template <typename T>
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struct as_impl<T, 0> {
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static std::array<T, 0> as(clmdep_msgpack::object const&) {
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return std::array<T, 0>();
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}
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};
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} // namespace array
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} // namespace detail
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template <typename T, std::size_t N>
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struct as<std::array<T, N>, typename std::enable_if<clmdep_msgpack::has_as<T>::value>::type> {
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std::array<T, N> operator()(clmdep_msgpack::object const& o) const {
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if(o.type != clmdep_msgpack::type::ARRAY) { throw clmdep_msgpack::type_error(); }
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if(o.via.array.size > N) { throw clmdep_msgpack::type_error(); }
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return detail::array::as_impl<T, N>::as(o);
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}
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};
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template <typename T, std::size_t N>
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struct convert<std::array<T, N>> {
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clmdep_msgpack::object const& operator()(clmdep_msgpack::object const& o, std::array<T, N>& v) const {
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if(o.type != clmdep_msgpack::type::ARRAY) { throw clmdep_msgpack::type_error(); }
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if(o.via.array.size > N) { throw clmdep_msgpack::type_error(); }
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if(o.via.array.size > 0) {
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clmdep_msgpack::object* p = o.via.array.ptr;
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clmdep_msgpack::object* const pend = o.via.array.ptr + o.via.array.size;
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T* it = &v[0];
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do {
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p->convert(*it);
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++p;
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++it;
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} while(p < pend);
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}
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return o;
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}
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};
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template <typename T, std::size_t N>
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struct pack<std::array<T, N>> {
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template <typename Stream>
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clmdep_msgpack::packer<Stream>& operator()(clmdep_msgpack::packer<Stream>& o, const std::array<T, N>& v) const {
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uint32_t size = checked_get_container_size(v.size());
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o.pack_array(size);
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for(auto const& e : v) o.pack(e);
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return o;
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}
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};
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template <typename T, std::size_t N>
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struct object_with_zone<std::array<T, N>> {
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void operator()(clmdep_msgpack::object::with_zone& o, const std::array<T, N>& v) const {
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o.type = clmdep_msgpack::type::ARRAY;
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if(v.empty()) {
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o.via.array.ptr = MSGPACK_NULLPTR;
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o.via.array.size = 0;
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} else {
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uint32_t size = checked_get_container_size(v.size());
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clmdep_msgpack::object* p = static_cast<clmdep_msgpack::object*>(o.zone.allocate_align(sizeof(clmdep_msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(clmdep_msgpack::object)));
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o.via.array.size = size;
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o.via.array.ptr = p;
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for (auto const& e : v) *p++ = clmdep_msgpack::object(e, o.zone);
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}
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}
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};
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} // namespace adaptor
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/// @cond
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} // MSGPACK_API_VERSION_NAMESPACE(v1)
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/// @endcond
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} // namespace clmdep_msgpack
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#endif // MSGPACK_V1_TYPE_CPP11_ARRAY_HPP
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