pair.h

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// Copyright (c) 2014-2019, 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
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
 
#pragma once
#include <memory>
#include "serialization.h"
 
namespace serialization
{
  namespace detail
  {
    template <typename Archive, class T>
    bool serialize_pair_element(Archive& ar, T& e)
    {
      return ::do_serialize(ar, e);
    }
 
    template <typename Archive>
    bool serialize_pair_element(Archive& ar, uint64_t& e)
    {
      ar.serialize_varint(e);
      return true;
    }
  }
}
 
template <template <bool> class Archive, class F, class S>
inline bool do_serialize(Archive<false>& ar, std::pair<F,S>& p)
{
  size_t cnt;
  ar.begin_array(cnt);
  if (!ar.stream().good())
    return false;
  if (cnt != 2)
    return false;
 
  if (!::serialization::detail::serialize_pair_element(ar, p.first))
    return false;
  if (!ar.stream().good())
    return false;
  ar.delimit_array();
  if (!::serialization::detail::serialize_pair_element(ar, p.second))
    return false;
  if (!ar.stream().good())
    return false;
 
  ar.end_array();
  return true;
}
 
template <template <bool> class Archive, class F, class S>
inline bool do_serialize(Archive<true>& ar, std::pair<F,S>& p)
{
  ar.begin_array(2);
  if (!ar.stream().good())
    return false;
  if(!::serialization::detail::serialize_pair_element(ar, p.first))
    return false;
  if (!ar.stream().good())
    return false;
  ar.delimit_array();
  if(!::serialization::detail::serialize_pair_element(ar, p.second))
    return false;
  if (!ar.stream().good())
    return false;
  ar.end_array();
  return true;
}