1 #ifndef  BOOST_SERIALIZATION_UNIQUE_PTR_HPP
2 #define BOOST_SERIALIZATION_UNIQUE_PTR_HPP
3 
4 // MS compatible compilers support #pragma once
5 #if defined(_MSC_VER)
6 # pragma once
7 #endif
8 
9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10 // unique_ptr.hpp:
11 
12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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 #include <memory>
19 #include <boost/serialization/split_free.hpp>
20 #include <boost/serialization/nvp.hpp>
21 
22 namespace boost {
23 namespace serialization {
24 
25 /////////////////////////////////////////////////////////////
26 // implement serialization for unique_ptr< T >
27 // note: this must be added to the boost namespace in order to
28 // be called by the library
29 template<class Archive, class T>
save(Archive & ar,const std::unique_ptr<T> & t,const unsigned int)30 inline void save(
31     Archive & ar,
32     const std::unique_ptr< T > &t,
33     const unsigned int /*file_version*/
34 ){
35     // only the raw pointer has to be saved
36     // the ref count is rebuilt automatically on load
37     const T * const tx = t.get();
38     ar << BOOST_SERIALIZATION_NVP(tx);
39 }
40 
41 template<class Archive, class T>
load(Archive & ar,std::unique_ptr<T> & t,const unsigned int)42 inline void load(
43     Archive & ar,
44     std::unique_ptr< T > &t,
45     const unsigned int /*file_version*/
46 ){
47     T *tx;
48     ar >> BOOST_SERIALIZATION_NVP(tx);
49     // note that the reset automagically maintains the reference count
50     t.reset(tx);
51 }
52 
53 // split non-intrusive serialization function member into separate
54 // non intrusive save/load member functions
55 template<class Archive, class T>
serialize(Archive & ar,std::unique_ptr<T> & t,const unsigned int file_version)56 inline void serialize(
57     Archive & ar,
58     std::unique_ptr< T > &t,
59     const unsigned int file_version
60 ){
61     boost::serialization::split_free(ar, t, file_version);
62 }
63 
64 } // namespace serialization
65 } // namespace boost
66 
67 
68 #endif // BOOST_SERIALIZATION_UNIQUE_PTR_HPP
69