wownero/src/common/unordered_containers_boost_serialization.h

// Copyright (c) 2014, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers

#pragma once

#include <boost/serialization/split_free.hpp>
#include <unordered_map>
#include <unordered_set>

namespace boost
{
  namespace serialization
  {
    template <class Archive, class h_key, class hval>
    inline void save(Archive &a, const std::unordered_map<h_key, hval> &x, const boost::serialization::version_type ver)
    {
      size_t s = x.size();
      a << s;
      BOOST_FOREACH(auto& v, x)
      {
        a << v.first;
        a << v.second;
      }
    }

    template <class Archive, class h_key, class hval>
    inline void load(Archive &a, std::unordered_map<h_key, hval> &x, const boost::serialization::version_type ver)
    {
      x.clear();
      size_t s = 0;
      a >> s;
      for(size_t i = 0; i != s; i++)
      {
        h_key k;
        hval v;
        a >> k;
        a >> v;
        x.insert(std::pair<h_key, hval>(k, v));
      }
    }


    template <class Archive, class h_key, class hval>
    inline void save(Archive &a, const std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
    {
      size_t s = x.size();
      a << s;
      BOOST_FOREACH(auto& v, x)
      {
        a << v.first;
        a << v.second;
      }
    }

    template <class Archive, class h_key, class hval>
    inline void load(Archive &a, std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
    {
      x.clear();
      size_t s = 0;
      a >> s;
      for(size_t i = 0; i != s; i++)
      {
        h_key k;
        hval v;
        a >> k;
        a >> v;
        x.emplace(k, v);
      }
    }


    template <class Archive, class hval>
    inline void save(Archive &a, const std::unordered_set<hval> &x, const boost::serialization::version_type ver)
    {
      size_t s = x.size();
      a << s;
      BOOST_FOREACH(auto& v, x)
      {
        a << v;
      }
    }

    template <class Archive, class hval>
    inline void load(Archive &a, std::unordered_set<hval> &x, const boost::serialization::version_type ver)
    {
      x.clear();
      size_t s = 0;
      a >> s;
      for(size_t i = 0; i != s; i++)
      {
        hval v;
        a >> v;
        x.insert(v);
      }
    }


    template <class Archive, class h_key, class hval>
    inline void serialize(Archive &a, std::unordered_map<h_key, hval> &x, const boost::serialization::version_type ver)
    {
      split_free(a, x, ver);
    }

    template <class Archive, class h_key, class hval>
    inline void serialize(Archive &a, std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
    {
      split_free(a, x, ver);
    }

    template <class Archive, class hval>
    inline void serialize(Archive &a, std::unordered_set<hval> &x, const boost::serialization::version_type ver)
    {
      split_free(a, x, ver);
    }
  }
}