ceph/src/boost/boost/archive/impl/basic_text_oprimitive.ipp

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 // basic_text_oprimitive.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
  11 #include <cstddef> // NULL
  12 #include <algorithm> // std::copy
  13 #include <exception> // std::uncaught_exception
  14 #include <boost/config.hpp>
  15 #if defined(BOOST_NO_STDC_NAMESPACE)
  16 namespace std{
  17     using ::size_t;
  18 } // namespace std
  19 #endif
  20
  21 #include <boost/archive/basic_text_oprimitive.hpp>
  22
  23 #include <boost/archive/iterators/base64_from_binary.hpp>
  24 #include <boost/archive/iterators/insert_linebreaks.hpp>
  25 #include <boost/archive/iterators/transform_width.hpp>
  26 #include <boost/archive/iterators/ostream_iterator.hpp>
  27
  28 namespace boost {
  29 namespace archive {
  30
  31 // translate to base64 and copy in to buffer.
  32 template<class OStream>
  33 BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  34 basic_text_oprimitive<OStream>::save_binary(
  35     const void *address,
  36     std::size_t count
  37 ){
  38     typedef typename OStream::char_type CharType;
  39
  40     if(0 == count)
  41         return;
  42
  43     if(os.fail())
  44         boost::serialization::throw_exception(
  45             archive_exception(archive_exception::output_stream_error)
  46         );
  47
  48     os.put('\n');
  49
  50     typedef
  51         boost::archive::iterators::insert_linebreaks<
  52             boost::archive::iterators::base64_from_binary<
  53                 boost::archive::iterators::transform_width<
  54                     const char *,
  55                     6,
  56                     8
  57                 >
  58             >
  59             ,76
  60             ,const char // cwpro8 needs this
  61         >
  62         base64_text;
  63
  64     boost::archive::iterators::ostream_iterator<CharType> oi(os);
  65     std::copy(
  66         base64_text(static_cast<const char *>(address)),
  67         base64_text(
  68             static_cast<const char *>(address) + count
  69         ),
  70         oi
  71     );
  72
  73     std::size_t tail = count % 3;
  74     if(tail > 0){
  75         *oi++ = '=';
  76         if(tail < 2)
  77             *oi = '=';
  78     }
  79 }
  80
  81 template<class OStream>
  82 BOOST_ARCHIVE_OR_WARCHIVE_DECL
  83 basic_text_oprimitive<OStream>::basic_text_oprimitive(
  84     OStream & os_,
  85     bool no_codecvt
  86 ) :
  87     os(os_),
  88     flags_saver(os_),
  89     precision_saver(os_),
  90 #ifndef BOOST_NO_STD_LOCALE
  91     codecvt_null_facet(1),
  92     archive_locale(os.getloc(), & codecvt_null_facet),
  93     locale_saver(os)
  94 {
  95     if(! no_codecvt){
  96         os_.flush();
  97         os_.imbue(archive_locale);
  98     }
  99     os_ << std::noboolalpha;
 100 }
 101 #else
 102 {}
 103 #endif
 104
 105
 106 template<class OStream>
 107 BOOST_ARCHIVE_OR_WARCHIVE_DECL
 108 basic_text_oprimitive<OStream>::~basic_text_oprimitive(){
 109     if(std::uncaught_exception())
 110         return;
 111     os << std::endl;
 112 }
 113
 114 } //namespace boost
 115 } //namespace archive