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Diffstat (limited to 'src/boost/libs/serialization/example/portable_binary_oarchive.hpp')
| -rw-r--r-- | src/boost/libs/serialization/example/portable_binary_oarchive.hpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/boost/libs/serialization/example/portable_binary_oarchive.hpp b/src/boost/libs/serialization/example/portable_binary_oarchive.hpp new file mode 100644 index 000000000..5085fc3db --- /dev/null +++ b/src/boost/libs/serialization/example/portable_binary_oarchive.hpp @@ -0,0 +1,191 @@ +#ifndef PORTABLE_BINARY_OARCHIVE_HPP +#define PORTABLE_BINARY_OARCHIVE_HPP + +// MS compatible compilers support #pragma once +#if defined(_MSC_VER) +# pragma once +#endif + +#if defined(_MSC_VER) +#pragma warning( push ) +#pragma warning( disable : 4244 ) +#endif + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// portable_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. + +#include <ostream> +#include <boost/serialization/string.hpp> +#include <boost/archive/archive_exception.hpp> +#include <boost/archive/basic_binary_oprimitive.hpp> +#include <boost/archive/detail/common_oarchive.hpp> +#include <boost/archive/detail/register_archive.hpp> + +#include "portable_binary_archive.hpp" + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// exception to be thrown if integer read from archive doesn't fit +// variable being loaded +class portable_binary_oarchive_exception : + public boost::archive::archive_exception +{ +public: + typedef enum { + invalid_flags + } exception_code; + portable_binary_oarchive_exception(exception_code c = invalid_flags ) + {} + virtual const char *what( ) const throw( ) + { + const char *msg = "programmer error"; + switch(code){ + case invalid_flags: + msg = "cannot be both big and little endian"; + default: + boost::archive::archive_exception::what(); + } + return msg; + } +}; + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// "Portable" output binary archive. This is a variation of the native binary +// archive. it addresses integer size and endienness so that binary archives can +// be passed across systems. Note:floating point types not addressed here + +class portable_binary_oarchive : + public boost::archive::basic_binary_oprimitive< + portable_binary_oarchive, + std::ostream::char_type, + std::ostream::traits_type + >, + public boost::archive::detail::common_oarchive< + portable_binary_oarchive + > +{ + typedef boost::archive::basic_binary_oprimitive< + portable_binary_oarchive, + std::ostream::char_type, + std::ostream::traits_type + > primitive_base_t; + typedef boost::archive::detail::common_oarchive< + portable_binary_oarchive + > archive_base_t; +#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS +public: +#else + friend archive_base_t; + friend primitive_base_t; // since with override save below + friend class boost::archive::detail::interface_oarchive< + portable_binary_oarchive + >; + friend class boost::archive::save_access; +protected: +#endif + unsigned int m_flags; + void save_impl(const boost::intmax_t l, const char maxsize); + // add base class to the places considered when matching + // save function to a specific set of arguments. Note, this didn't + // work on my MSVC 7.0 system so we use the sure-fire method below + // using archive_base_t::save; + + // default fall through for any types not specified here + template<class T> + void save(const T & t){ + save_impl(t, sizeof(T)); + } + void save(const std::string & t){ + this->primitive_base_t::save(t); + } + #ifndef BOOST_NO_STD_WSTRING + void save(const std::wstring & t){ + this->primitive_base_t::save(t); + } + #endif + void save(const float & t){ + this->primitive_base_t::save(t); + // floats not supported + //BOOST_STATIC_ASSERT(false); + } + void save(const double & t){ + this->primitive_base_t::save(t); + // doubles not supported + //BOOST_STATIC_ASSERT(false); + } + void save(const char & t){ + this->primitive_base_t::save(t); + } + void save(const unsigned char & t){ + this->primitive_base_t::save(t); + } + + // default processing - kick back to base class. Note the + // extra stuff to get it passed borland compilers + typedef boost::archive::detail::common_oarchive<portable_binary_oarchive> + detail_common_oarchive; + template<class T> + void save_override(T & t){ + this->detail_common_oarchive::save_override(t); + } + // explicitly convert to char * to avoid compile ambiguities + void save_override(const boost::archive::class_name_type & t){ + const std::string s(t); + * this << s; + } + // binary files don't include the optional information + void save_override( + const boost::archive::class_id_optional_type & /* t */ + ){} + + void init(unsigned int flags); +public: + portable_binary_oarchive(std::ostream & os, unsigned flags = 0) : + primitive_base_t( + * os.rdbuf(), + 0 != (flags & boost::archive::no_codecvt) + ), + archive_base_t(flags), + m_flags(flags & (endian_big | endian_little)) + { + init(flags); + } + + portable_binary_oarchive( + std::basic_streambuf< + std::ostream::char_type, + std::ostream::traits_type + > & bsb, + unsigned int flags + ) : + primitive_base_t( + bsb, + 0 != (flags & boost::archive::no_codecvt) + ), + archive_base_t(flags), + m_flags(0) + { + init(flags); + } +}; + + +// required by export in boost version > 1.34 +#ifdef BOOST_SERIALIZATION_REGISTER_ARCHIVE + BOOST_SERIALIZATION_REGISTER_ARCHIVE(portable_binary_oarchive) +#endif + +// required by export in boost <= 1.34 +#define BOOST_ARCHIVE_CUSTOM_OARCHIVE_TYPES portable_binary_oarchive + +#if defined(_MSC_VER) +#pragma warning( pop ) +#endif + +#endif // PORTABLE_BINARY_OARCHIVE_HPP |