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//
// MessagePack for C++ static resolution routine
//
// Copyright (C) 2015 KONDO Takatoshi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef MSGPACK_TYPE_BOOST_FUSION_HPP
#define MSGPACK_TYPE_BOOST_FUSION_HPP
#include "rpc/msgpack/versioning.hpp"
#include "rpc/msgpack/adaptor/adaptor_base.hpp"
#include "rpc/msgpack/adaptor/check_container_size.hpp"
#include "rpc/msgpack/meta.hpp"
#if !defined (MSGPACK_USE_CPP03)
#include "rpc/msgpack/adaptor/cpp11/tuple.hpp"
#endif // #if !defined (MSGPACK_USE_CPP03)
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/algorithm/iteration/for_each.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/include/mpl.hpp>
#include <boost/mpl/size.hpp>
namespace clmdep_msgpack {
/// @cond
MSGPACK_API_VERSION_NAMESPACE(v1) {
/// @endcond
namespace adaptor {
#if !defined (MSGPACK_USE_CPP03)
template <typename T>
struct as<
T,
typename clmdep_msgpack::enable_if<
boost::fusion::traits::is_sequence<T>::value &&
boost::mpl::fold<
T,
boost::mpl::bool_<true>,
boost::mpl::if_ <
boost::mpl::and_<
boost::mpl::_1,
clmdep_msgpack::has_as<boost::mpl::_2>
>,
boost::mpl::bool_<true>,
boost::mpl::bool_<false>
>
>::type::value
>::type
> {
T operator()(clmdep_msgpack::object const& o) const {
if (o.type != clmdep_msgpack::type::ARRAY) { throw clmdep_msgpack::type_error(); }
if (o.via.array.size != checked_get_container_size(boost::mpl::size<T>::value)) {
throw clmdep_msgpack::type_error();
}
using tuple_t = decltype(to_tuple(std::declval<T>(), gen_seq<boost::mpl::size<T>::value>()));
return to_t(
o.as<tuple_t>(),
clmdep_msgpack::gen_seq<boost::mpl::size<T>::value>());
}
template<std::size_t... Is, typename U>
static std::tuple<
typename std::remove_reference<
typename boost::fusion::result_of::at_c<T, Is>::type
>::type...>
to_tuple(U const& u, seq<Is...>) {
return std::make_tuple(boost::fusion::at_c<Is>(u)...);
}
template<std::size_t... Is, typename U>
static T to_t(U const& u, seq<Is...>) {
return T(std::get<Is>(u)...);
}
};
#endif // !defined (MSGPACK_USE_CPP03)
template <typename T>
struct convert<T, typename clmdep_msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
clmdep_msgpack::object const& operator()(clmdep_msgpack::object const& o, T& v) const {
if (o.type != clmdep_msgpack::type::ARRAY) { throw clmdep_msgpack::type_error(); }
if (o.via.array.size != checked_get_container_size(boost::fusion::size(v))) {
throw clmdep_msgpack::type_error();
}
uint32_t index = 0;
boost::fusion::for_each(v, convert_imp(o, index));
return o;
}
private:
struct convert_imp {
convert_imp(clmdep_msgpack::object const& obj, uint32_t& index):obj_(obj), index_(index) {}
template <typename U>
void operator()(U& v) const {
clmdep_msgpack::adaptor::convert<U>()(obj_.via.array.ptr[index_++], v);
}
private:
clmdep_msgpack::object const& obj_;
uint32_t& index_;
};
};
template <typename T>
struct pack<T, typename clmdep_msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
template <typename Stream>
clmdep_msgpack::packer<Stream>& operator()(clmdep_msgpack::packer<Stream>& o, const T& v) const {
uint32_t size = checked_get_container_size(boost::fusion::size(v));
o.pack_array(size);
boost::fusion::for_each(v, pack_imp<Stream>(o));
return o;
}
private:
template <typename Stream>
struct pack_imp {
pack_imp(clmdep_msgpack::packer<Stream>& stream):stream_(stream) {}
template <typename U>
void operator()(U const& v) const {
stream_.pack(v);
}
private:
clmdep_msgpack::packer<Stream>& stream_;
};
};
template <typename T>
struct object_with_zone<T, typename clmdep_msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
void operator()(clmdep_msgpack::object::with_zone& o, const T& v) const {
uint32_t size = checked_get_container_size(boost::fusion::size(v));
o.type = clmdep_msgpack::type::ARRAY;
o.via.array.ptr = static_cast<clmdep_msgpack::object*>(o.zone.allocate_align(sizeof(clmdep_msgpack::object)*size));
o.via.array.size = size;
uint32_t count = 0;
boost::fusion::for_each(v, with_zone_imp(o, count));
}
private:
struct with_zone_imp {
with_zone_imp(clmdep_msgpack::object::with_zone const& obj, uint32_t& count):obj_(obj), count_(count) {}
template <typename U>
void operator()(U const& v) const {
obj_.via.array.ptr[count_++] = clmdep_msgpack::object(v, obj_.zone);
}
clmdep_msgpack::object::with_zone const& obj_;
uint32_t& count_;
};
};
} // namespace adaptor
/// @cond
} // MSGPACK_API_VERSION_NAMESPACE(v1)
/// @endcond
} // namespace clmdep_msgpack
#endif // MSGPACK_TYPE_BOOST_FUSION_HPP
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