lmdb-reflective.hh

#pragma once
// Example for plugging a (de)serialization implementation using the binary
// (de)serializer provided by https://github.com/Martchus/reflective-rapidjson.

#include "./lmdb-safe.hh"

#include <reflective_rapidjson/binary/reflector.h>

#include <boost/iostreams/device/back_inserter.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/stream_buffer.hpp>

namespace LMDBSafe {

template <typename T> std::string serToString(const T &t)
{
    auto ret = std::string();
    auto inserter = boost::iostreams::back_insert_device<std::string>(ret);
    auto stream = boost::iostreams::stream<boost::iostreams::back_insert_device<std::string>>(inserter);
    auto deserializer = ReflectiveRapidJSON::BinaryReflector::BinarySerializer(&stream);
    deserializer.write(t);
    return ret;
}

template <typename T> void serFromString(string_view str, T &ret)
{
    auto source = boost::iostreams::array_source(str.data(), str.size());
    auto stream = boost::iostreams::stream<boost::iostreams::array_source>(source);
    auto serializer = ReflectiveRapidJSON::BinaryReflector::BinaryDeserializer(&stream);
    ret = T();
    serializer.read(ret);
}

} // namespace LMDBSafe