//
// 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_TYPE_NIL_HPP
#define MSGPACK_TYPE_NIL_HPP
#include "msgpack/versioning.hpp"
#include "msgpack/adaptor/adaptor_base.hpp"
namespace msgpack {
/// @cond
MSGPACK_API_VERSION_NAMESPACE(v1) {
/// @endcond
namespace type {
struct nil_t { };
#if !defined(MSGPACK_DISABLE_LEGACY_NIL)
typedef nil_t nil;
#endif // !defined(MSGPACK_DISABLE_LEGACY_NIL)
inline bool operator<(nil_t const& lhs, nil_t const& rhs) {
return &lhs < &rhs;
}
inline bool operator==(nil_t const& lhs, nil_t const& rhs) {
return &lhs == &rhs;
}
} // namespace type
namespace adaptor {
template <>
struct convert<type::nil_t> {
msgpack::object const& operator()(msgpack::object const& o, type::nil_t&) const {
if(o.type != msgpack::type::NIL) { throw msgpack::type_error(); }
return o;
}
};
template <>
struct pack<type::nil_t> {
template <typename Stream>
msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const type::nil_t&) const {
o.pack_nil();
return o;
}
};
template <>
struct object<type::nil_t> {
void operator()(msgpack::object& o, type::nil_t) const {
o.type = msgpack::type::NIL;
}
};
template <>
struct object_with_zone<type::nil_t> {
void operator()(msgpack::object::with_zone& o, type::nil_t v) const {
static_cast<msgpack::object&>(o) << v;
}
};
} // namespace adaptor
template <>
inline void msgpack::object::as<void>() const
{
msgpack::type::nil_t v;
convert(v);
}
/// @cond
} // MSGPACK_API_VERSION_NAMESPACE(v1)
/// @endcond
} // namespace msgpack
#endif // MSGPACK_TYPE_NIL_HPP