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/Src/Dependencies/Boost/boost/multi_index/detail/archive_constructed.hpp

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 1/* Copyright 2003-2008 Joaquin M Lopez Munoz.
 2 * Distributed under the Boost Software License, Version 1.0.
 3 * (See accompanying file LICENSE_1_0.txt or copy at
 4 * http://www.boost.org/LICENSE_1_0.txt)
 5 *
 6 * See http://www.boost.org/libs/multi_index for library home page.
 7 */
 8
 9#ifndef BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP
10#define BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP
11
12#if defined(_MSC_VER)&&(_MSC_VER>=1200)
13#pragma once
14#endif
15
16#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
17#include <boost/detail/no_exceptions_support.hpp>
18#include <boost/noncopyable.hpp>
19#include <boost/serialization/serialization.hpp>
20#include <boost/type_traits/aligned_storage.hpp>
21#include <boost/type_traits/alignment_of.hpp> 
22
23namespace boost{
24
25namespace multi_index{
26
27namespace detail{
28
29/* constructs a stack-based object from a serialization archive */
30
31template<typename T>
32struct archive_constructed:private noncopyable
33{
34  template<class Archive>
35  archive_constructed(Archive& ar,const unsigned int version)
36  {
37    serialization::load_construct_data_adl(ar,&get(),version);
38    BOOST_TRY{
39      ar>>get();
40    }
41    BOOST_CATCH(...){
42      (&get())->~T();
43      BOOST_RETHROW;
44    }
45    BOOST_CATCH_END
46  }
47
48  template<class Archive>
49  archive_constructed(const char* name,Archive& ar,const unsigned int version)
50  {
51    serialization::load_construct_data_adl(ar,&get(),version);
52    BOOST_TRY{
53      ar>>serialization::make_nvp(name,get());
54    }
55    BOOST_CATCH(...){
56      (&get())->~T();
57      BOOST_RETHROW;
58    }
59    BOOST_CATCH_END
60  }
61
62  ~archive_constructed()
63  {
64    (&get())->~T();
65  }
66
67  T& get(){return *static_cast<T*>(static_cast<void*>(&space));}
68
69private:
70  typename aligned_storage<sizeof(T),alignment_of<T>::value>::type space;
71};
72
73} /* namespace multi_index::detail */
74
75} /* namespace multi_index */
76
77} /* namespace boost */
78
79#endif