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205 lines
6.9 KiB
C++
205 lines
6.9 KiB
C++
#ifndef BOOST_ARCHIVE_BASIC_BINARY_IARCHIVE_HPP
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#define BOOST_ARCHIVE_BASIC_BINARY_IARCHIVE_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// basic_binary_iarchive.hpp
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//
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// archives stored as native binary - this should be the fastest way
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// to archive the state of a group of obects. It makes no attempt to
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// convert to any canonical form.
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// IN GENERAL, ARCHIVES CREATED WITH THIS CLASS WILL NOT BE READABLE
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// ON PLATFORM APART FROM THE ONE THEY ARE CREATED ON
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (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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// See http://www.boost.org for updates, documentation, and revision history.
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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#include <boost/archive/basic_archive.hpp>
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#include <boost/archive/detail/common_iarchive.hpp>
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#include <boost/serialization/collection_size_type.hpp>
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#include <boost/serialization/string.hpp>
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#include <boost/serialization/item_version_type.hpp>
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#include <boost/integer_traits.hpp>
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#ifdef BOOST_MSVC
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# pragma warning(push)
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# pragma warning(disable : 4511 4512)
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#endif
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#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
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namespace boost {
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namespace archive {
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namespace detail {
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template<class Archive> class interface_iarchive;
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} // namespace detail
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/////////////////////////////////////////////////////////////////////////
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// class basic_binary_iarchive - read serialized objects from a input binary stream
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template<class Archive>
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class BOOST_SYMBOL_VISIBLE basic_binary_iarchive :
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public detail::common_iarchive<Archive>
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{
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#ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
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public:
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#else
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protected:
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#if BOOST_WORKAROUND(BOOST_MSVC, < 1500)
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// for some inexplicable reason insertion of "class" generates compile erro
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// on msvc 7.1
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friend detail::interface_iarchive<Archive>;
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#else
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friend class detail::interface_iarchive<Archive>;
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#endif
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#endif
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// intermediate level to support override of operators
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// fot templates in the absence of partial function
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// template ordering. If we get here pass to base class
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// note extra nonsense to sneak it pass the borland compiers
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typedef detail::common_iarchive<Archive> detail_common_iarchive;
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template<class T>
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void load_override(T & t){
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this->detail_common_iarchive::load_override(t);
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}
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// include these to trap a change in binary format which
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// isn't specifically handled
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// upto 32K classes
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BOOST_STATIC_ASSERT(sizeof(class_id_type) == sizeof(int_least16_t));
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BOOST_STATIC_ASSERT(sizeof(class_id_reference_type) == sizeof(int_least16_t));
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// upto 2G objects
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BOOST_STATIC_ASSERT(sizeof(object_id_type) == sizeof(uint_least32_t));
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BOOST_STATIC_ASSERT(sizeof(object_reference_type) == sizeof(uint_least32_t));
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// binary files don't include the optional information
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void load_override(class_id_optional_type & /* t */){}
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void load_override(tracking_type & t, int /*version*/){
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library_version_type lvt = this->get_library_version();
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if(boost::archive::library_version_type(6) < lvt){
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int_least8_t x=0;
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* this->This() >> x;
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t = boost::archive::tracking_type(x);
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}
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else{
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bool x=0;
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* this->This() >> x;
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t = boost::archive::tracking_type(x);
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}
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}
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void load_override(class_id_type & t){
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library_version_type lvt = this->get_library_version();
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if(boost::archive::library_version_type(7) < lvt){
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this->detail_common_iarchive::load_override(t);
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}
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else
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if(boost::archive::library_version_type(6) < lvt){
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int_least16_t x=0;
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* this->This() >> x;
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t = boost::archive::class_id_type(x);
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}
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else{
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int x=0;
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* this->This() >> x;
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t = boost::archive::class_id_type(x);
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}
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}
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void load_override(class_id_reference_type & t){
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load_override(static_cast<class_id_type &>(t));
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}
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void load_override(version_type & t){
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library_version_type lvt = this->get_library_version();
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if(boost::archive::library_version_type(7) < lvt){
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this->detail_common_iarchive::load_override(t);
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}
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else
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if(boost::archive::library_version_type(6) < lvt){
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uint_least8_t x=0;
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* this->This() >> x;
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t = boost::archive::version_type(x);
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}
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else
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if(boost::archive::library_version_type(5) < lvt){
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uint_least16_t x=0;
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* this->This() >> x;
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t = boost::archive::version_type(x);
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}
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else
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if(boost::archive::library_version_type(2) < lvt){
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// upto 255 versions
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unsigned char x=0;
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* this->This() >> x;
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t = version_type(x);
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}
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else{
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unsigned int x=0;
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* this->This() >> x;
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t = boost::archive::version_type(x);
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}
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}
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void load_override(boost::serialization::item_version_type & t){
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library_version_type lvt = this->get_library_version();
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// if(boost::archive::library_version_type(7) < lvt){
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if(boost::archive::library_version_type(6) < lvt){
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this->detail_common_iarchive::load_override(t);
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}
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else
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if(boost::archive::library_version_type(6) < lvt){
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uint_least16_t x=0;
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* this->This() >> x;
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t = boost::serialization::item_version_type(x);
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}
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else{
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unsigned int x=0;
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* this->This() >> x;
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t = boost::serialization::item_version_type(x);
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}
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}
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void load_override(serialization::collection_size_type & t){
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if(boost::archive::library_version_type(5) < this->get_library_version()){
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this->detail_common_iarchive::load_override(t);
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}
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else{
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unsigned int x=0;
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* this->This() >> x;
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t = serialization::collection_size_type(x);
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}
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}
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BOOST_ARCHIVE_OR_WARCHIVE_DECL void
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load_override(class_name_type & t);
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BOOST_ARCHIVE_OR_WARCHIVE_DECL void
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init();
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basic_binary_iarchive(unsigned int flags) :
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detail::common_iarchive<Archive>(flags)
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{}
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};
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} // namespace archive
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} // namespace boost
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#ifdef BOOST_MSVC
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#pragma warning(pop)
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#endif
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#include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
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#endif // BOOST_ARCHIVE_BASIC_BINARY_IARCHIVE_HPP
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