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-rw-r--r-- | src/boost/libs/serialization/example/portable_binary_iarchive.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/boost/libs/serialization/example/portable_binary_iarchive.cpp b/src/boost/libs/serialization/example/portable_binary_iarchive.cpp new file mode 100644 index 000000000..08f3f20ec --- /dev/null +++ b/src/boost/libs/serialization/example/portable_binary_iarchive.cpp @@ -0,0 +1,131 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// portable_binary_iarchive.cpp + +// (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 <istream> +#include <string> + +#include <boost/predef/other/endian.h> +#include <boost/serialization/throw_exception.hpp> +#include <boost/archive/archive_exception.hpp> + +#include "portable_binary_iarchive.hpp" + +void +portable_binary_iarchive::load_impl(boost::intmax_t & l, char maxsize){ + char size; + l = 0; + this->primitive_base_t::load(size); + + if(0 == size){ + return; + } + + bool negative = (size < 0); + if(negative) + size = -size; + + if(size > maxsize) + boost::serialization::throw_exception( + portable_binary_iarchive_exception() + ); + + char * cptr = reinterpret_cast<char *>(& l); + #if BOOST_ENDIAN_BIG_BYTE + cptr += (sizeof(boost::intmax_t) - size); + #endif + this->primitive_base_t::load_binary(cptr, size); + + #if BOOST_ENDIAN_BIG_BYTE + if(m_flags & endian_little) + #else + if(m_flags & endian_big) + #endif + reverse_bytes(size, cptr); + + if(negative) + l = -l; +} + +void +portable_binary_iarchive::load_override( + boost::archive::class_name_type & t +){ + std::string cn; + cn.reserve(BOOST_SERIALIZATION_MAX_KEY_SIZE); + load_override(cn); + if(cn.size() > (BOOST_SERIALIZATION_MAX_KEY_SIZE - 1)) + boost::serialization::throw_exception( + boost::archive::archive_exception( + boost::archive::archive_exception::invalid_class_name) + ); + std::memcpy(t, cn.data(), cn.size()); + // borland tweak + t.t[cn.size()] = '\0'; +} + +void +portable_binary_iarchive::init(unsigned int flags){ + if(0 == (flags & boost::archive::no_header)){ + // read signature in an archive version independent manner + std::string file_signature; + * this >> file_signature; + if(file_signature != boost::archive::BOOST_ARCHIVE_SIGNATURE()) + boost::serialization::throw_exception( + boost::archive::archive_exception( + boost::archive::archive_exception::invalid_signature + ) + ); + // make sure the version of the reading archive library can + // support the format of the archive being read + boost::archive::library_version_type input_library_version; + * this >> input_library_version; + + // extra little .t is to get around borland quirk + if(boost::archive::BOOST_ARCHIVE_VERSION() < input_library_version) + boost::serialization::throw_exception( + boost::archive::archive_exception( + boost::archive::archive_exception::unsupported_version + ) + ); + + #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205)) + this->set_library_version(input_library_version); + //#else + //#if ! BOOST_WORKAROUND(BOOST_MSVC, <= 1200) + //detail:: + //#endif + boost::archive::detail::basic_iarchive::set_library_version( + input_library_version + ); + #endif + } + unsigned char x; + load(x); + m_flags = x << CHAR_BIT; +} + +#include <boost/archive/impl/archive_serializer_map.ipp> +#include <boost/archive/impl/basic_binary_iprimitive.ipp> + +namespace boost { +namespace archive { + +namespace detail { + template class archive_serializer_map<portable_binary_iarchive>; +} + +template class basic_binary_iprimitive< + portable_binary_iarchive, + std::istream::char_type, + std::istream::traits_type +> ; + +} // namespace archive +} // namespace boost |