mirror of
https://github.com/msgpack/msgpack-c
synced 2026-06-08 16:11:40 +00:00
Takatoshi Kondo
e8d3c8d6c5
msgpakc-c 0.5.9 or older uses ADL. msgpack-c 1.0.x uses overloading with header files ordering. msgpack-c 1.1.x uses functor with class template specialization.
128 lines
3.2 KiB
C++
128 lines
3.2 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_FLOAT_HPP
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#define MSGPACK_TYPE_FLOAT_HPP
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#include "msgpack/versioning.hpp"
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#include "msgpack/object_fwd.hpp"
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#include <vector>
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namespace msgpack {
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MSGPACK_API_VERSION_NAMESPACE(v1) {
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// FIXME check overflow, underflow
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namespace adaptor {
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template <>
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struct convert<float> {
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msgpack::object const& operator()(msgpack::object const& o, float& v) const {
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if(o.type == msgpack::type::FLOAT) {
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v = static_cast<float>(o.via.f64);
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}
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else if (o.type == msgpack::type::POSITIVE_INTEGER) {
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v = static_cast<float>(o.via.u64);
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}
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else if (o.type == msgpack::type::NEGATIVE_INTEGER) {
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v = static_cast<float>(o.via.i64);
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}
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else {
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throw msgpack::type_error();
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}
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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<float> {
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template <typename Stream>
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msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const float& v) const {
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o.pack_float(v);
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return o;
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}
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};
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template <>
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struct convert<double> {
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msgpack::object const& operator()(msgpack::object const& o, double& v) const {
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if(o.type == msgpack::type::FLOAT) {
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v = o.via.f64;
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}
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else if (o.type == msgpack::type::POSITIVE_INTEGER) {
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v = static_cast<double>(o.via.u64);
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}
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else if (o.type == msgpack::type::NEGATIVE_INTEGER) {
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v = static_cast<double>(o.via.i64);
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}
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else {
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throw msgpack::type_error();
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}
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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<double> {
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template <typename Stream>
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msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const double& v) const {
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o.pack_double(v);
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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<float> {
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void operator()(msgpack::object& o, float v) const {
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o.type = msgpack::type::FLOAT;
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o.via.f64 = static_cast<double>(v);
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}
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};
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template <>
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struct object<double> {
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void operator()(msgpack::object& o, double v) const {
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o.type = msgpack::type::FLOAT;
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o.via.f64 = v;
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}
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};
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template <>
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struct object_with_zone<float> {
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void operator()(msgpack::object::with_zone& o, float v) const {
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static_cast<msgpack::object&>(o) << v;
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}
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};
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template <>
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struct object_with_zone<double> {
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void operator()(msgpack::object::with_zone& o, double 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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} // MSGPACK_API_VERSION_NAMESPACE(v1)
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} // namespace msgpack
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#endif // MSGPACK_TYPE_FLOAT_HPP
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