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