lmdb-boost-serialization.hh

#pragma once

#include "./lmdb-safe.hh"

#include <boost/archive/binary_iarchive.hpp>
#include <boost/archive/binary_oarchive.hpp>

#include <boost/serialization/string.hpp>
#include <boost/serialization/utility.hpp>
#include <boost/serialization/vector.hpp>

#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 oa = boost::archive::binary_oarchive(stream, boost::archive::no_header | boost::archive::no_codecvt);
    oa << 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 ia = boost::archive::binary_iarchive(stream, boost::archive::no_header | boost::archive::no_codecvt);
    ia >> ret;
}

} // namespace LMDBSafe