ceph/src/boost/libs/serialization/include/boost/archive/impl/basic_text_iarchive.ipp

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 // basic_text_iarchive.ipp:
   3
   4 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
   5 // Use, modification and distribution is subject to the Boost Software
   6 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 //  See http://www.boost.org for updates, documentation, and revision history.
  10 #include <string>
  11 #include <algorithm>
  12 #include <cstring>
  13
  14 #include <boost/config.hpp>
  15 #if defined(BOOST_NO_STDC_NAMESPACE)
  16 namespace std{
  17     using ::memcpy;
  18 }
  19 #endif
  20
  21 #include <boost/detail/workaround.hpp>
  22 #include <boost/serialization/string.hpp>
  23 #include <boost/archive/basic_text_iarchive.hpp>
  24
  25 namespace boost {
  26 namespace archive {
  27
  28 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  29 // implementation of text_text_archive
  30
  31 template<class Archive>
  32 BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  33 basic_text_iarchive<Archive>::load_override(class_name_type & t){
  34     std::string cn;
  35     cn.reserve(BOOST_SERIALIZATION_MAX_KEY_SIZE);
  36     load_override(cn);
  37     if(cn.size() > (BOOST_SERIALIZATION_MAX_KEY_SIZE - 1))
  38         boost::serialization::throw_exception(
  39             archive_exception(archive_exception::invalid_class_name)
  40         );
  41     std::memcpy(t, cn.data(), cn.size());
  42     // borland tweak
  43     t.t[cn.size()] = '\0';
  44 }
  45
  46 template<class Archive>
  47 BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  48 basic_text_iarchive<Archive>::init(void){
  49     // read signature in an archive version independent manner
  50     std::string file_signature;
  51     * this->This() >> file_signature;
  52     if(file_signature != BOOST_ARCHIVE_SIGNATURE())
  53         boost::serialization::throw_exception(
  54             archive_exception(archive_exception::invalid_signature)
  55         );
  56
  57     // make sure the version of the reading archive library can
  58     // support the format of the archive being read
  59     library_version_type input_library_version;
  60     * this->This() >> input_library_version;
  61
  62     #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205))
  63     this->set_library_version(input_library_version);
  64     #else
  65     detail::basic_iarchive::set_library_version(input_library_version);
  66     #endif
  67
  68     // extra little .t is to get around borland quirk
  69     if(BOOST_ARCHIVE_VERSION() < input_library_version)
  70         boost::serialization::throw_exception(
  71             archive_exception(archive_exception::unsupported_version)
  72         );
  73 }
  74
  75 } // namespace archive
  76 } // namespace boost