Chris@16: #ifndef BOOST_SERIALIZATION_ARRAY_HPP
Chris@16: #define BOOST_SERIALIZATION_ARRAY_HPP
Chris@16: 
Chris@16: // (C) Copyright 2005 Matthias Troyer and Dave Abrahams
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@101: #include <boost/config.hpp> // msvc 6.0 needs this for warning suppression
Chris@101: 
Chris@16: #include <iostream>
Chris@16: #include <cstddef> // std::size_t
Chris@101: #ifndef BOOST_NO_CXX11_HDR_ARRAY
Chris@101: #include <array>
Chris@101: #endif
Chris@101: 
Chris@16: #if defined(BOOST_NO_STDC_NAMESPACE)
Chris@16: namespace std{ 
Chris@16:     using ::size_t; 
Chris@16: } // namespace std
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/serialization/nvp.hpp>
Chris@16: #include <boost/serialization/split_member.hpp>
Chris@16: #include <boost/serialization/wrapper.hpp>
Chris@16: #include <boost/mpl/always.hpp>
Chris@16: #include <boost/mpl/apply.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: #include <boost/type_traits/remove_const.hpp>
Chris@16: #include <boost/array.hpp>
Chris@16: 
Chris@16: namespace boost { namespace serialization {
Chris@16: 
Chris@16: // traits to specify whether to use  an optimized array serialization
Chris@16: 
Chris@16: #ifdef __BORLANDC__
Chris@16: // workaround for Borland compiler
Chris@16: template <class Archive>
Chris@16: struct use_array_optimization {
Chris@16:   template <class T> struct apply : boost::mpl::false_ {};
Chris@16: };
Chris@16: 
Chris@16: #else
Chris@16: template <class Archive>
Chris@16: struct use_array_optimization : boost::mpl::always<boost::mpl::false_> {};
Chris@16: #endif
Chris@16: 
Chris@16: template<class T>
Chris@16: class array :
Chris@16:     public wrapper_traits<const array< T > >
Chris@16: {
Chris@16: public:    
Chris@16:     typedef T value_type;
Chris@16:     
Chris@16:     array(value_type* t, std::size_t s) :
Chris@16:         m_t(t),
Chris@16:         m_element_count(s)
Chris@16:     {}
Chris@16:     array(const array & rhs) :
Chris@16:         m_t(rhs.m_t),
Chris@16:         m_element_count(rhs.m_element_count)
Chris@16:     {}
Chris@16:     array & operator=(const array & rhs){
Chris@16:         m_t = rhs.m_t;
Chris@16:         m_element_count = rhs.m_element_count;
Chris@16:     }
Chris@16: 
Chris@16:     // default implementation
Chris@16:     template<class Archive>
Chris@16:     void serialize_optimized(Archive &ar, const unsigned int, mpl::false_ ) const
Chris@16:     {
Chris@16:       // default implemention does the loop
Chris@16:       std::size_t c = count();
Chris@16:       value_type * t = address();
Chris@16:       while(0 < c--)
Chris@16:             ar & boost::serialization::make_nvp("item", *t++);
Chris@16:     }
Chris@16: 
Chris@16:     // optimized implementation
Chris@16:     template<class Archive>
Chris@16:     void serialize_optimized(Archive &ar, const unsigned int version, mpl::true_ )
Chris@16:     {
Chris@16:       boost::serialization::split_member(ar, *this, version);
Chris@16:     }
Chris@16: 
Chris@16:     // default implementation
Chris@16:     template<class Archive>
Chris@16:     void save(Archive &ar, const unsigned int version) const
Chris@16:     {
Chris@16:       ar.save_array(*this,version);
Chris@16:     }
Chris@16: 
Chris@16:     // default implementation
Chris@16:     template<class Archive>
Chris@16:     void load(Archive &ar, const unsigned int version)
Chris@16:     {
Chris@16:       ar.load_array(*this,version);
Chris@16:     }
Chris@16:     
Chris@16:     // default implementation
Chris@16:     template<class Archive>
Chris@16:     void serialize(Archive &ar, const unsigned int version)
Chris@16:     {
Chris@101:       typedef typename 
Chris@16:           boost::serialization::use_array_optimization<Archive>::template apply<
Chris@101:                     typename remove_const< T >::type 
Chris@16:                 >::type use_optimized;
Chris@16:       serialize_optimized(ar,version,use_optimized());
Chris@16:     }
Chris@16:     
Chris@16:     value_type* address() const
Chris@16:     {
Chris@16:       return m_t;
Chris@16:     }
Chris@16: 
Chris@16:     std::size_t count() const
Chris@16:     {
Chris@16:       return m_element_count;
Chris@16:     }
Chris@16:     
Chris@16: private:
Chris@16:     value_type* m_t;
Chris@16:     std::size_t m_element_count;
Chris@16: };
Chris@16: 
Chris@16: template<class T>
Chris@16: inline
Chris@16: #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
Chris@16: const
Chris@16: #endif
Chris@16: array< T > make_array( T* t, std::size_t s){
Chris@16:     return array< T >(t, s);
Chris@16: }
Chris@16: 
Chris@101: // implement serialization for boost::array
Chris@16: template <class Archive, class T, std::size_t N>
Chris@16: void serialize(Archive& ar, boost::array<T,N>& a, const unsigned int /* version */)
Chris@16: {
Chris@101:     ar & boost::serialization::make_nvp("elems", a.elems);
Chris@16: }
Chris@16: 
Chris@101: #ifndef BOOST_NO_CXX11_HDR_ARRAY
Chris@101: // implement serialization for std::array
Chris@101: template <class Archive, class T, std::size_t N>
Chris@101: void serialize(Archive& ar, std::array<T,N>& a, const unsigned int /* version */)
Chris@101: {
Chris@101:     ar & boost::serialization::make_nvp(
Chris@101:         "elems",
Chris@101:         *static_cast<T (*)[N]>(static_cast<void *>(a.data()))
Chris@101:     );
Chris@101:     
Chris@101: }
Chris@101: #endif
Chris@101: 
Chris@16: } } // end namespace boost::serialization
Chris@16: 
Chris@16: #ifdef __BORLANDC__
Chris@16: // ignore optimizations for Borland
Chris@16: #define BOOST_SERIALIZATION_USE_ARRAY_OPTIMIZATION(Archive)      
Chris@16: #else
Chris@16: #define BOOST_SERIALIZATION_USE_ARRAY_OPTIMIZATION(Archive)           \
Chris@16: namespace boost { namespace serialization {                           \
Chris@16: template <> struct use_array_optimization<Archive> {                  \
Chris@16:   template <class ValueType>                                          \
Chris@16:   struct apply : boost::mpl::apply1<Archive::use_array_optimization   \
Chris@101:       , typename boost::remove_const<ValueType>::type   \
Chris@16:     >::type {};                                                       \
Chris@16: }; }}
Chris@16: #endif // __BORLANDC__
Chris@16: 
Chris@16: #endif //BOOST_SERIALIZATION_ARRAY_HPP