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129 lines
4.1 KiB
129 lines
4.1 KiB
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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// basic_binary_iarchive.ipp: |
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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 <string> |
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#include <boost/assert.hpp> |
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#include <algorithm> |
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#include <cstring> |
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#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME |
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#if defined(BOOST_NO_STDC_NAMESPACE) |
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namespace std{ |
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using ::memcpy; |
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using ::strlen; |
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using ::size_t; |
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} |
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#endif |
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#include <boost/detail/workaround.hpp> |
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#include <boost/detail/endian.hpp> |
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#include <boost/archive/basic_binary_iarchive.hpp> |
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namespace boost { |
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namespace archive { |
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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// implementation of binary_binary_archive |
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template<class Archive> |
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BOOST_ARCHIVE_OR_WARCHIVE_DECL(void) |
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basic_binary_iarchive<Archive>::load_override(class_name_type & t, int){ |
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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, 0); |
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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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archive_exception(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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template<class Archive> |
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BOOST_ARCHIVE_OR_WARCHIVE_DECL(void) |
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basic_binary_iarchive<Archive>::init(){ |
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// read signature in an archive version independent manner |
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std::string file_signature; |
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try { |
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std::size_t l; |
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this->This()->load(l); |
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if(l == std::strlen(BOOST_ARCHIVE_SIGNATURE())) { |
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// borland de-allocator fixup |
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#if BOOST_WORKAROUND(_RWSTD_VER, BOOST_TESTED_AT(20101)) |
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if(NULL != file_signature.data()) |
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#endif |
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file_signature.resize(l); |
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// note breaking a rule here - could be a problem on some platform |
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if(0 < l) |
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this->This()->load_binary(&(*file_signature.begin()), l); |
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} |
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} |
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catch(archive_exception const &) { // catch stream_error archive exceptions |
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// will cause invalid_signature archive exception to be thrown below |
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file_signature = ""; |
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} |
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if(file_signature != BOOST_ARCHIVE_SIGNATURE()) |
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boost::serialization::throw_exception( |
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archive_exception(archive_exception::invalid_signature) |
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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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library_version_type input_library_version; |
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//* this->This() >> input_library_version; |
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{ |
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int v = 0; |
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v = this->This()->m_sb.sbumpc(); |
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#if defined(BOOST_LITTLE_ENDIAN) |
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if(v < 6){ |
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; |
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} |
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else |
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if(v < 7){ |
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// version 6 - next byte should be zero |
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this->This()->m_sb.sbumpc(); |
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} |
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else |
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if(v < 8){ |
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int x1; |
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// version 7 = might be followed by zero or some other byte |
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x1 = this->This()->m_sb.sgetc(); |
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// it's =a zero, push it back |
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if(0 == x1) |
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this->This()->m_sb.sbumpc(); |
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} |
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else{ |
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// version 8+ followed by a zero |
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this->This()->m_sb.sbumpc(); |
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} |
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#elif defined(BOOST_BIG_ENDIAN) |
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if(v == 0) |
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v = this->This()->m_sb.sbumpc(); |
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#endif |
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input_library_version = static_cast<library_version_type>(v); |
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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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basic_iarchive::set_library_version(input_library_version); |
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#endif |
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if(BOOST_ARCHIVE_VERSION() < input_library_version) |
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boost::serialization::throw_exception( |
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archive_exception(archive_exception::unsupported_version) |
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); |
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} |
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} // namespace archive |
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} // namespace boost
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