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//
// MessagePack for C++ static resolution routine
//
// Copyright (C) 2008-2009 FURUHASHI Sadayuki
//
// 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_PAIR_HPP
#define MSGPACK_V1_TYPE_PAIR_HPP
#include "msgpack/versioning.hpp"
#include "msgpack/adaptor/adaptor_base.hpp"
#include "msgpack/meta.hpp"
#include <utility>
namespace msgpack {
/// @cond
MSGPACK_API_VERSION_NAMESPACE(v1) {
/// @endcond
namespace adaptor {
#if !defined(MSGPACK_USE_CPP03)
template <typename T1, typename T2>
struct as<std::pair<T1, T2>,
typename std::enable_if<msgpack::any_of<msgpack::has_as, T1, T2>::value>::type> {
std::pair<T1, T2> operator()(msgpack::object const& o) const {
if (o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); }
if (o.via.array.size != 2) { throw msgpack::type_error(); }
return std::make_pair(o.via.array.ptr[0].as<T1>(), o.via.array.ptr[1].as<T2>());
}
};
#endif // !defined(MSGPACK_USE_CPP03)
template <typename T1, typename T2>
struct convert<std::pair<T1, T2> > {
msgpack::object const& operator()(msgpack::object const& o, std::pair<T1, T2>& v) const {
if(o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); }
if(o.via.array.size != 2) { throw msgpack::type_error(); }
o.via.array.ptr[0].convert(v.first);
o.via.array.ptr[1].convert(v.second);
return o;
}
};
template <typename T1, typename T2>
struct pack<std::pair<T1, T2> > {
template <typename Stream>
msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const std::pair<T1, T2>& v) const {
o.pack_array(2);
o.pack(v.first);
o.pack(v.second);
return o;
}
};
template <typename T1, typename T2>
struct object_with_zone<std::pair<T1, T2> > {
void operator()(msgpack::object::with_zone& o, const std::pair<T1, T2>& v) const {
o.type = msgpack::type::ARRAY;
msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*2, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
o.via.array.ptr = p;
o.via.array.size = 2;
p[0] = msgpack::object(v.first, o.zone);
p[1] = msgpack::object(v.second, o.zone);
}
};
} // namespace adaptor
/// @cond
} // MSGPACK_API_VERSION_NAMESPACE(v1)
/// @endcond
} // namespace msgpack
#endif // MSGPACK_V1_TYPE_PAIR_HPP
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