QxSerialize_QHash.h

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/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
**
** This file is part of the QxOrm library
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
#ifndef _QX_SERIALIZE_QHASH_H_
#define _QX_SERIALIZE_QHASH_H_

#ifdef _MSC_VER
#pragma once
#endif

#include <boost/serialization/serialization.hpp>
#include <boost/serialization/split_free.hpp>
#include <boost/serialization/nvp.hpp>
#include <boost/serialization/utility.hpp>

#include <QtCore/qhash.h>

namespace boost {
namespace serialization {

template <class Archive, typename Key, typename Value>
inline void save(Archive & ar, const QHash<Key, Value> & t, const unsigned int file_version)
{
   Q_UNUSED(file_version);
   long lCount = t.count();
   ar << boost::serialization::make_nvp("count", lCount);

   QHashIterator<Key, Value> itr(t);
   while (itr.hasNext())
   {
      itr.next();
      std::pair<Key, Value> pair_key_value = std::make_pair(itr.key(), itr.value());
      ar << boost::serialization::make_nvp("item", pair_key_value);
   }
}

template <class Archive, typename Key, typename Value>
inline void load(Archive & ar, QHash<Key, Value> & t, const unsigned int file_version)
{
   Q_UNUSED(file_version);
   long lCount = 0;
   ar >> boost::serialization::make_nvp("count", lCount);

   t.clear();
   t.reserve(lCount);
   std::pair<Key, Value> pair_key_value;

   for (long l = 0; l < lCount; l++)
   {
      ar >> boost::serialization::make_nvp("item", pair_key_value);
      t.insert(pair_key_value.first, pair_key_value.second);
   }
}

template <class Archive, typename Key, typename Value>
inline void serialize(Archive & ar, QHash<Key, Value> & t, const unsigned int file_version)
{
   boost::serialization::split_free(ar, t, file_version);
}

} // namespace boost
} // namespace serialization

#endif // _QX_SERIALIZE_QHASH_H_
#endif // _QX_ENABLE_BOOST_SERIALIZATION