boost/serialization/array_wrapper.hpp
#ifndef BOOST_SERIALIZATION_ARRAY_WRAPPER_HPP
#define BOOST_SERIALIZATION_ARRAY_WRAPPER_HPP
// (C) Copyright 2005 Matthias Troyer and Dave Abrahams
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <boost/config.hpp> // msvc 6.0 needs this for warning suppression
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::size_t;
} // namespace std
#endif
#include <boost/serialization/nvp.hpp>
#include <boost/serialization/split_member.hpp>
#include <boost/serialization/wrapper.hpp>
#include <boost/serialization/collection_size_type.hpp>
#include <boost/serialization/array_optimization.hpp>
#include <boost/mpl/always.hpp>
#include <boost/mpl/apply.hpp>
#include <boost/mpl/bool_fwd.hpp>
#include <boost/type_traits/remove_const.hpp>
namespace boost { namespace serialization {
template<class T>
class array_wrapper :
public wrapper_traits<const array_wrapper< T > >
{
private:
array_wrapper & operator=(const array_wrapper & rhs);
// note: I would like to make the copy constructor private but this breaks
// make_array. So I make make_array a friend
template<class Tx, class S>
friend const boost::serialization::array_wrapper<Tx> make_array(Tx * t, S s);
public:
array_wrapper(const array_wrapper & rhs) :
m_t(rhs.m_t),
m_element_count(rhs.m_element_count)
{}
public:
array_wrapper(T * t, std::size_t s) :
m_t(t),
m_element_count(s)
{}
// default implementation
template<class Archive>
void serialize_optimized(Archive &ar, const unsigned int, mpl::false_ ) const
{
// default implemention does the loop
std::size_t c = count();
T * t = address();
while(0 < c--)
ar & boost::serialization::make_nvp("item", *t++);
}
// optimized implementation
template<class Archive>
void serialize_optimized(Archive &ar, const unsigned int version, mpl::true_ )
{
boost::serialization::split_member(ar, *this, version);
}
// default implementation
template<class Archive>
void save(Archive &ar, const unsigned int version) const
{
ar.save_array(*this,version);
}
// default implementation
template<class Archive>
void load(Archive &ar, const unsigned int version)
{
ar.load_array(*this,version);
}
// default implementation
template<class Archive>
void serialize(Archive &ar, const unsigned int version)
{
typedef typename
boost::serialization::use_array_optimization<Archive>::template apply<
typename remove_const< T >::type
>::type use_optimized;
serialize_optimized(ar,version,use_optimized());
}
T * address() const
{
return m_t;
}
std::size_t count() const
{
return m_element_count;
}
private:
T * const m_t;
const std::size_t m_element_count;
};
template<class T, class S>
inline
const array_wrapper< T > make_array(T* t, S s){
const array_wrapper< T > a(t, s);
return a;
}
} } // end namespace boost::serialization
#endif //BOOST_SERIALIZATION_ARRAY_WRAPPER_HPP