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Diffstat (limited to 'boost/archive/basic_binary_oarchive.hpp')
| -rw-r--r-- | boost/archive/basic_binary_oarchive.hpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/boost/archive/basic_binary_oarchive.hpp b/boost/archive/basic_binary_oarchive.hpp new file mode 100644 index 0000000000..01622b9f3d --- /dev/null +++ b/boost/archive/basic_binary_oarchive.hpp @@ -0,0 +1,180 @@ +#ifndef BOOST_ARCHIVE_BASIC_BINARY_OARCHIVE_HPP +#define BOOST_ARCHIVE_BASIC_BINARY_OARCHIVE_HPP + +// MS compatible compilers support #pragma once +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma once +#endif + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// basic_binary_oarchive.hpp + +// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . +// Use, modification and distribution is subject to the Boost Software +// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +// See http://www.boost.org for updates, documentation, and revision history. + +// archives stored as native binary - this should be the fastest way +// to archive the state of a group of obects. It makes no attempt to +// convert to any canonical form. + +// IN GENERAL, ARCHIVES CREATED WITH THIS CLASS WILL NOT BE READABLE +// ON PLATFORM APART FROM THE ONE THEY ARE CREATE ON + +#include <boost/assert.hpp> +#include <boost/config.hpp> +#include <boost/detail/workaround.hpp> +#include <boost/serialization/pfto.hpp> + +#include <boost/integer.hpp> +#include <boost/integer_traits.hpp> + +#include <boost/archive/detail/common_oarchive.hpp> +#include <boost/serialization/string.hpp> +#include <boost/serialization/collection_size_type.hpp> +#include <boost/serialization/item_version_type.hpp> + +#include <boost/archive/detail/abi_prefix.hpp> // must be the last header + +#ifdef BOOST_MSVC +# pragma warning(push) +# pragma warning(disable : 4511 4512) +#endif + +namespace boost { +namespace archive { + +////////////////////////////////////////////////////////////////////// +// class basic_binary_oarchive - write serialized objects to a binary output stream +// note: this archive has no pretensions to portability. Archive format +// may vary across machine architectures and compilers. About the only +// guarentee is that an archive created with this code will be readable +// by a program built with the same tools for the same machne. This class +// does have the virtue of buiding the smalles archive in the minimum amount +// of time. So under some circumstances it may be he right choice. +template<class Archive> +class basic_binary_oarchive : + public archive::detail::common_oarchive<Archive> +{ +protected: +#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) +public: +#elif defined(BOOST_MSVC) + // for some inexplicable reason insertion of "class" generates compile erro + // on msvc 7.1 + friend detail::interface_oarchive<Archive>; +#else + friend class detail::interface_oarchive<Archive>; +#endif + // any datatype not specifed below will be handled by base class + typedef detail::common_oarchive<Archive> detail_common_oarchive; + template<class T> + void save_override(const T & t, BOOST_PFTO int version){ + this->detail_common_oarchive::save_override(t, static_cast<int>(version)); + } + + // include these to trap a change in binary format which + // isn't specifically handled + BOOST_STATIC_ASSERT(sizeof(tracking_type) == sizeof(bool)); + // upto 32K classes + BOOST_STATIC_ASSERT(sizeof(class_id_type) == sizeof(int_least16_t)); + BOOST_STATIC_ASSERT(sizeof(class_id_reference_type) == sizeof(int_least16_t)); + // upto 2G objects + BOOST_STATIC_ASSERT(sizeof(object_id_type) == sizeof(uint_least32_t)); + BOOST_STATIC_ASSERT(sizeof(object_reference_type) == sizeof(uint_least32_t)); + + // binary files don't include the optional information + void save_override(const class_id_optional_type & /* t */, int){} + + // enable this if we decide to support generation of previous versions + #if 0 + void save_override(const boost::archive::version_type & t, int version){ + library_version_type lvt = this->get_library_version(); + if(boost::archive::library_version_type(7) < lvt){ + this->detail_common_oarchive::save_override(t, version); + } + else + if(boost::archive::library_version_type(6) < lvt){ + const boost::uint_least16_t x = t; + * this->This() << x; + } + else{ + const unsigned int x = t; + * this->This() << x; + } + } + void save_override(const boost::serialization::item_version_type & t, int version){ + library_version_type lvt = this->get_library_version(); + if(boost::archive::library_version_type(7) < lvt){ + this->detail_common_oarchive::save_override(t, version); + } + else + if(boost::archive::library_version_type(6) < lvt){ + const boost::uint_least16_t x = t; + * this->This() << x; + } + else{ + const unsigned int x = t; + * this->This() << x; + } + } + + void save_override(class_id_type & t, int version){ + library_version_type lvt = this->get_library_version(); + if(boost::archive::library_version_type(7) < lvt){ + this->detail_common_oarchive::save_override(t, version); + } + else + if(boost::archive::library_version_type(6) < lvt){ + const boost::int_least16_t x = t; + * this->This() << x; + } + else{ + const int x = t; + * this->This() << x; + } + } + void save_override(class_id_reference_type & t, int version){ + save_override(static_cast<class_id_type &>(t), version); + } + + #endif + + // explicitly convert to char * to avoid compile ambiguities + void save_override(const class_name_type & t, int){ + const std::string s(t); + * this->This() << s; + } + + #if 0 + void save_override(const serialization::collection_size_type & t, int){ + if (get_library_version() < boost::archive::library_version_type(6)){ + unsigned int x=0; + * this->This() >> x; + t = serialization::collection_size_type(x); + } + else{ + * this->This() >> t; + } + } + #endif + BOOST_ARCHIVE_OR_WARCHIVE_DECL(void) + init(); + + basic_binary_oarchive(unsigned int flags) : + detail::common_oarchive<Archive>(flags) + {} +}; + +} // namespace archive +} // namespace boost + +#ifdef BOOST_MSVC +#pragma warning(pop) +#endif + +#include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas + +#endif // BOOST_ARCHIVE_BASIC_BINARY_OARCHIVE_HPP |