boost/serialization/weak_ptr.hpp

   1 #ifndef BOOST_SERIALIZATION_WEAK_PTR_HPP
   2 #define BOOST_SERIALIZATION_WEAK_PTR_HPP
   3
   4 // MS compatible compilers support #pragma once
   5 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
   6 # pragma once
   7 #endif
   8
   9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  10 // shared_ptr.hpp: serialization for boost shared pointer
  11
  12 // (C) Copyright 2004 Robert Ramey and Martin Ecker
  13 // Use, modification and distribution is subject to the Boost Software
  14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  15 // http://www.boost.org/LICENSE_1_0.txt)
  16
  17 //  See http://www.boost.org for updates, documentation, and revision history.
  18
  19 #include <boost/weak_ptr.hpp>
  20 #include <boost/serialization/shared_ptr.hpp>
  21
  22 namespace boost {
  23 namespace serialization{
  24
  25 template<class Archive, class T>
  26 inline void save(
  27     Archive & ar,
  28     const boost::weak_ptr<T> &t,
  29     const unsigned int /* file_version */
  30 ){
  31     const boost::shared_ptr<T> sp = t.lock();
  32         ar << boost::serialization::make_nvp("shared_ptr", sp);
  33 }
  34
  35 template<class Archive, class T>
  36 inline void load(
  37     Archive & ar,
  38     boost::weak_ptr<T> &t,
  39     const unsigned int /* file_version */
  40 ){
  41     boost::shared_ptr<T> sp;
  42         ar >> boost::serialization::make_nvp("shared_ptr", sp);
  43     t = sp;
  44 }
  45
  46 template<class Archive, class T>
  47 inline void serialize(
  48     Archive & ar,
  49     boost::weak_ptr<T> &t,
  50     const unsigned int file_version
  51 ){
  52     boost::serialization::split_free(ar, t, file_version);
  53 }
  54
  55 } // namespace serialization
  56 } // namespace boost
  57
  58 #endif // BOOST_SERIALIZATION_WEAK_PTR_HPP