Chris@16: #ifndef  BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP
Chris@16: #define BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER <= 1020)
Chris@16: #  pragma warning (disable : 4786) // too long name, harmless warning
Chris@16: #endif
Chris@16: 
Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // collections_load_imp.hpp: serialization for loading stl collections
Chris@16: 
Chris@16: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
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@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: // helper function templates for serialization of collections
Chris@16: 
Chris@16: #include <boost/assert.hpp>
Chris@16: #include <cstddef> // size_t
Chris@16: #include <boost/config.hpp> // msvc 6.0 needs this for warning suppression
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: #include <boost/detail/workaround.hpp>
Chris@16: 
Chris@16: #include <boost/archive/detail/basic_iarchive.hpp>
Chris@16: #include <boost/serialization/access.hpp>
Chris@16: #include <boost/serialization/nvp.hpp>
Chris@16: #include <boost/serialization/detail/stack_constructor.hpp>
Chris@16: #include <boost/serialization/collection_size_type.hpp>
Chris@16: #include <boost/serialization/item_version_type.hpp>
Chris@16: 
Chris@16: namespace boost{
Chris@16: namespace serialization {
Chris@16: namespace stl {
Chris@16: 
Chris@16: //////////////////////////////////////////////////////////////////////
Chris@16: // implementation of serialization for STL containers
Chris@16: //
Chris@16: 
Chris@16: // sequential container input
Chris@16: template<class Archive, class Container>
Chris@16: struct archive_input_seq
Chris@16: {
Chris@101:     inline typename Container::iterator
Chris@16:     operator()(
Chris@16:         Archive &ar, 
Chris@16:         Container &s, 
Chris@16:         const unsigned int v,
Chris@101:         typename Container::iterator hint
Chris@16:     ){
Chris@101:         typedef typename Container::value_type type;
Chris@16:         detail::stack_construct<Archive, type> t(ar, v);
Chris@16:         // borland fails silently w/o full namespace
Chris@16:         ar >> boost::serialization::make_nvp("item", t.reference());
Chris@16:         s.push_back(t.reference());
Chris@16:         ar.reset_object_address(& s.back() , & t.reference());
Chris@16:         return hint;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: // map input
Chris@16: template<class Archive, class Container>
Chris@16: struct archive_input_map
Chris@16: {
Chris@101:     inline typename Container::iterator
Chris@16:     operator()(
Chris@16:         Archive &ar, 
Chris@16:         Container &s, 
Chris@16:         const unsigned int v,
Chris@101:         typename Container::iterator hint
Chris@16:     ){
Chris@101:         typedef typename Container::value_type type;
Chris@16:         detail::stack_construct<Archive, type> t(ar, v);
Chris@16:         // borland fails silently w/o full namespace
Chris@16:         ar >> boost::serialization::make_nvp("item", t.reference());
Chris@101:         typename Container::iterator result = 
Chris@16:             s.insert(hint, t.reference());
Chris@16:         // note: the following presumes that the map::value_type was NOT tracked
Chris@16:         // in the archive.  This is the usual case, but here there is no way
Chris@16:         // to determine that.  
Chris@16:         ar.reset_object_address(
Chris@16:             & (result->second),
Chris@16:             & t.reference().second
Chris@16:         );
Chris@16:         return result;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: // set input
Chris@16: template<class Archive, class Container>
Chris@16: struct archive_input_set
Chris@16: {
Chris@101:     inline typename Container::iterator
Chris@16:     operator()(
Chris@16:         Archive &ar, 
Chris@16:         Container &s, 
Chris@16:         const unsigned int v,
Chris@101:         typename Container::iterator hint
Chris@16:     ){
Chris@101:         typedef typename Container::value_type type;
Chris@16:         detail::stack_construct<Archive, type> t(ar, v);
Chris@16:         // borland fails silently w/o full namespace
Chris@16:         ar >> boost::serialization::make_nvp("item", t.reference());
Chris@101:         typename Container::iterator result = 
Chris@16:             s.insert(hint, t.reference());
Chris@16:         ar.reset_object_address(& (* result), & t.reference());
Chris@16:         return result;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: template<class Container>
Chris@16: class reserve_imp
Chris@16: {
Chris@16: public:
Chris@16:     void operator()(Container &s, std::size_t count) const {
Chris@16:         s.reserve(count);
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: template<class Container>
Chris@16: class no_reserve_imp
Chris@16: {
Chris@16: public:
Chris@16:     void operator()(Container & /* s */, std::size_t /* count */) const{}
Chris@16: };
Chris@16: 
Chris@16: template<class Archive, class Container, class InputFunction, class R>
Chris@16: inline void load_collection(Archive & ar, Container &s)
Chris@16: {
Chris@16:     s.clear();
Chris@16:     const boost::archive::library_version_type library_version(
Chris@16:         ar.get_library_version()
Chris@16:     );
Chris@16:     // retrieve number of elements
Chris@16:     item_version_type item_version(0);
Chris@101:     collection_size_type count;
Chris@16:     ar >> BOOST_SERIALIZATION_NVP(count);
Chris@16:     if(boost::archive::library_version_type(3) < library_version){
Chris@16:         ar >> BOOST_SERIALIZATION_NVP(item_version);
Chris@16:     }
Chris@16: 
Chris@16:     R rx;
Chris@16:     rx(s, count);
Chris@16:     InputFunction ifunc;
Chris@101:     typename Container::iterator hint;
Chris@16:     hint = s.begin();
Chris@16:     while(count-- > 0){
Chris@16:         hint = ifunc(ar, s, item_version, hint);
Chris@16:     }
Chris@16: }
Chris@16: 
Chris@16: } // namespace stl 
Chris@16: } // namespace serialization
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif //BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP