epoc32/include/stdapis/boost/multi_index/detail/archive_constructed.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
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/* Copyright 2003-2005 Joaquín M López Muñoz.
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 * Distributed under the Boost Software License, Version 1.0.
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 * (See accompanying file LICENSE_1_0.txt or copy at
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 * http://www.boost.org/LICENSE_1_0.txt)
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 *
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 * See http://www.boost.org/libs/multi_index for library home page.
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 */
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#ifndef BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP
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#define BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP
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#if defined(_MSC_VER)&&(_MSC_VER>=1200)
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#pragma once
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#endif
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#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
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#include <boost/detail/no_exceptions_support.hpp>
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#include <boost/noncopyable.hpp>
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#include <boost/serialization/serialization.hpp>
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#include <boost/type_traits/aligned_storage.hpp>
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#include <boost/type_traits/alignment_of.hpp> 
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namespace boost{
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namespace multi_index{
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namespace detail{
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/* constructs a stack-based object from a serialization archive */
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template<typename T>
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struct archive_constructed:private noncopyable
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{
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  template<class Archive>
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  archive_constructed(Archive& ar,const unsigned int version)
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  {
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    serialization::load_construct_data_adl(ar,&get(),version);
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    BOOST_TRY{
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      ar>>get();
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    }
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    BOOST_CATCH(...){
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      (&get())->~T();
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      BOOST_RETHROW;
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    }
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    BOOST_CATCH_END
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  }
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  template<class Archive>
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  archive_constructed(const char* name,Archive& ar,const unsigned int version)
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  {
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    serialization::load_construct_data_adl(ar,&get(),version);
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    BOOST_TRY{
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      ar>>serialization::make_nvp(name,get());
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    }
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    BOOST_CATCH(...){
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      (&get())->~T();
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      BOOST_RETHROW;
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    }
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    BOOST_CATCH_END
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  }
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  ~archive_constructed()
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  {
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    (&get())->~T();
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  }
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  T& get(){return *static_cast<T*>(static_cast<void*>(&space));}
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private:
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  typename aligned_storage<sizeof(T),alignment_of<T>::value>::type space;
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};
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} /* namespace multi_index::detail */
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} /* namespace multi_index */
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} /* namespace boost */
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#endif