mirror of
https://github.com/msgpack/msgpack-c
synced 2026-06-08 16:11:40 +00:00
Takatoshi Kondo
114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
//
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// MessagePack for C++ static resolution routine
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//
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// Copyright (C) 2015 KONDO Takatoshi
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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_BOOST_FUSION_HPP
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#define MSGPACK_TYPE_BOOST_FUSION_HPP
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#include "msgpack/versioning.hpp"
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#include "msgpack/adaptor/adaptor_base.hpp"
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#include "msgpack/adaptor/check_container_size.hpp"
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#include <boost/fusion/support/is_sequence.hpp>
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#include <boost/fusion/sequence/intrinsic/size.hpp>
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#include <boost/fusion/algorithm/iteration/for_each.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 adaptor {
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template <typename T>
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struct convert<T, typename msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
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msgpack::object const& operator()(msgpack::object const& o, T& v) const {
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if(o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); }
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if(o.via.array.size != checked_get_container_size(boost::fusion::size(v))) {
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throw msgpack::type_error();
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}
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uint32_t index = 0;
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boost::fusion::for_each(v, convert_imp(o, index));
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return o;
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}
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private:
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struct convert_imp {
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convert_imp(msgpack::object const& obj, uint32_t& index):obj_(obj), index_(index) {}
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template <typename U>
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void operator()(U& v) const {
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msgpack::adaptor::convert<U>()(obj_.via.array.ptr[index_++], v);
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}
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private:
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msgpack::object const& obj_;
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uint32_t& index_;
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};
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};
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template <typename T>
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struct pack<T, typename msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
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template <typename Stream>
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msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const T& v) const {
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uint32_t size = checked_get_container_size(boost::fusion::size(v));
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o.pack_array(size);
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boost::fusion::for_each(v, pack_imp<Stream>(o));
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return o;
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}
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private:
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template <typename Stream>
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struct pack_imp {
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pack_imp(msgpack::packer<Stream>& stream):stream_(stream) {}
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template <typename U>
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void operator()(U const& v) const {
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stream_.pack(v);
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}
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private:
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msgpack::packer<Stream>& stream_;
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};
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};
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template <typename T>
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struct object_with_zone<T, typename msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
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void operator()(msgpack::object::with_zone& o, const T& v) const {
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uint32_t size = checked_get_container_size(boost::fusion::size(v));
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o.type = msgpack::type::ARRAY;
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o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
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o.via.array.size = size;
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uint32_t count = 0;
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boost::fusion::for_each(v, with_zone_imp(o, count));
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}
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private:
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struct with_zone_imp {
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with_zone_imp(msgpack::object::with_zone const& obj, uint32_t& count):obj_(obj), count_(count) {}
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template <typename U>
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void operator()(U const& v) const {
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obj_.via.array.ptr[count_++] = msgpack::object(v, obj_.zone);
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}
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msgpack::object::with_zone const& obj_;
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uint32_t& count_;
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};
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};
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} // namespace adaptor
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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_BOOST_FUSION_HPP
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