mirror of
https://github.com/msgpack/msgpack-c
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mogemimi
93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
//
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// MessagePack for C++ static resolution routine
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//
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// Copyright (C) 2008-2009 FURUHASHI Sadayuki
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef MSGPACK_TYPE_NIL_HPP
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#define MSGPACK_TYPE_NIL_HPP
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#include "msgpack/versioning.hpp"
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#include "msgpack/adaptor/adaptor_base.hpp"
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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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struct nil { };
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inline bool operator<(nil const& lhs, nil const& rhs) {
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return &lhs < &rhs;
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}
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inline bool operator==(nil const& lhs, nil const& rhs) {
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return &lhs == &rhs;
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}
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} // namespace type
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namespace adaptor {
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template <>
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struct convert<type::nil> {
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msgpack::object const& operator()(msgpack::object const& o, type::nil&) const {
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if(o.type != msgpack::type::NIL) { throw msgpack::type_error(); }
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return o;
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}
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};
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template <>
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struct pack<type::nil> {
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template <typename Stream>
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msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const type::nil&) const {
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o.pack_nil();
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return o;
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}
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};
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template <>
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struct object<type::nil> {
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void operator()(msgpack::object& o, type::nil) const {
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o.type = msgpack::type::NIL;
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}
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};
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template <>
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struct object_with_zone<type::nil> {
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void operator()(msgpack::object::with_zone& o, type::nil v) const {
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static_cast<msgpack::object&>(o) << v;
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}
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};
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} // namespace adaptor
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template <>
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inline void msgpack::object::as<void>() const
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{
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msgpack::type::nil v;
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convert(v);
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}
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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_TYPE_NIL_HPP
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