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