181 lines
6.2 KiB
C++
181 lines
6.2 KiB
C++
#ifndef BOOST_ARCHIVE_BASIC_BINARY_OARCHIVE_HPP
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#define BOOST_ARCHIVE_BASIC_BINARY_OARCHIVE_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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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_oarchive.hpp
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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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// 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 CREATE ON
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#include <boost/assert.hpp>
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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#include <boost/serialization/pfto.hpp>
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#include <boost/integer.hpp>
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#include <boost/integer_traits.hpp>
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#include <boost/archive/detail/common_oarchive.hpp>
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#include <boost/serialization/string.hpp>
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#include <boost/serialization/collection_size_type.hpp>
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#include <boost/serialization/item_version_type.hpp>
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#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
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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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namespace boost {
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namespace archive {
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//////////////////////////////////////////////////////////////////////
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// class basic_binary_oarchive - write serialized objects to a binary output stream
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// note: this archive has no pretensions to portability. Archive format
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// may vary across machine architectures and compilers. About the only
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// guarentee is that an archive created with this code will be readable
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// by a program built with the same tools for the same machne. This class
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// does have the virtue of buiding the smalles archive in the minimum amount
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// of time. So under some circumstances it may be he right choice.
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template<class Archive>
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class basic_binary_oarchive :
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public archive::detail::common_oarchive<Archive>
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{
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protected:
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#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
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public:
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#elif defined(BOOST_MSVC)
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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_oarchive<Archive>;
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#else
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friend class detail::interface_oarchive<Archive>;
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#endif
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// any datatype not specifed below will be handled by base class
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typedef detail::common_oarchive<Archive> detail_common_oarchive;
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template<class T>
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void save_override(const T & t, BOOST_PFTO int version){
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this->detail_common_oarchive::save_override(t, static_cast<int>(version));
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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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BOOST_STATIC_ASSERT(sizeof(tracking_type) == sizeof(bool));
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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 save_override(const class_id_optional_type & /* t */, int){}
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// enable this if we decide to support generation of previous versions
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#if 0
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void save_override(const boost::archive::version_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(7) < lvt){
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this->detail_common_oarchive::save_override(t, version);
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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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const boost::uint_least16_t x = t;
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* this->This() << x;
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}
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else{
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const unsigned int x = t;
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* this->This() << x;
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}
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}
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void save_override(const boost::serialization::item_version_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(7) < lvt){
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this->detail_common_oarchive::save_override(t, version);
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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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const boost::uint_least16_t x = t;
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* this->This() << x;
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}
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else{
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const unsigned int x = t;
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* this->This() << x;
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}
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}
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void save_override(class_id_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(7) < lvt){
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this->detail_common_oarchive::save_override(t, version);
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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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const boost::int_least16_t x = t;
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* this->This() << x;
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}
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else{
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const int x = t;
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* this->This() << x;
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}
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}
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void save_override(class_id_reference_type & t, int version){
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save_override(static_cast<class_id_type &>(t), version);
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}
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#endif
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// explicitly convert to char * to avoid compile ambiguities
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void save_override(const class_name_type & t, int){
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const std::string s(t);
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* this->This() << s;
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}
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#if 0
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void save_override(const serialization::collection_size_type & t, int){
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if (get_library_version() < boost::archive::library_version_type(6)){
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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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else{
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* this->This() >> t;
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}
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}
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#endif
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BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
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init();
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basic_binary_oarchive(unsigned int flags) :
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detail::common_oarchive<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_OARCHIVE_HPP
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