ceph/src/boost/boost/archive/basic_xml_iarchive.hpp

   1 #ifndef BOOST_ARCHIVE_BASIC_XML_IARCHIVE_HPP
   2 #define BOOST_ARCHIVE_BASIC_XML_IARCHIVE_HPP
   3
   4 // MS compatible compilers support #pragma once
   5 #if defined(_MSC_VER)
   6 # pragma once
   7 #endif
   8
   9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  10 // basic_xml_iarchive.hpp
  11
  12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
  13 // Use, modification and distribution is subject to the Boost Software
  14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  15 // http://www.boost.org/LICENSE_1_0.txt)
  16
  17 //  See http://www.boost.org for updates, documentation, and revision history.
  18
  19 #include <boost/config.hpp>
  20 #include <boost/mpl/assert.hpp>
  21
  22 #include <boost/archive/detail/common_iarchive.hpp>
  23 #include <boost/serialization/nvp.hpp>
  24 #include <boost/serialization/string.hpp>
  25
  26 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
  27
  28 #ifdef BOOST_MSVC
  29 #  pragma warning(push)
  30 #  pragma warning(disable : 4511 4512)
  31 #endif
  32
  33 namespace boost {
  34 namespace archive {
  35
  36 namespace detail {
  37     template<class Archive> class interface_iarchive;
  38 } // namespace detail
  39
  40 /////////////////////////////////////////////////////////////////////////
  41 // class basic_xml_iarchive - read serialized objects from a input text stream
  42 template<class Archive>
  43 class BOOST_SYMBOL_VISIBLE basic_xml_iarchive :
  44     public detail::common_iarchive<Archive>
  45 {
  46     unsigned int depth;
  47 #ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
  48 public:
  49 #else
  50 protected:
  51     friend class detail::interface_iarchive<Archive>;
  52 #endif
  53     BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  54     load_start(const char *name);
  55     BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  56     load_end(const char *name);
  57
  58     // Anything not an attribute and not a name-value pair is an
  59     // should be trapped here.
  60     template<class T>
  61     void load_override(T & t)
  62     {
  63         // If your program fails to compile here, its most likely due to
  64         // not specifying an nvp wrapper around the variable to
  65         // be serialized.
  66         BOOST_MPL_ASSERT((serialization::is_wrapper< T >));
  67         this->detail_common_iarchive::load_override(t);
  68     }
  69
  70     // Anything not an attribute - see below - should be a name value
  71     // pair and be processed here
  72     typedef detail::common_iarchive<Archive> detail_common_iarchive;
  73     template<class T>
  74     void load_override(
  75         const boost::serialization::nvp< T > & t
  76     ){
  77         this->This()->load_start(t.name());
  78         this->detail_common_iarchive::load_override(t.value());
  79         this->This()->load_end(t.name());
  80     }
  81
  82     // specific overrides for attributes - handle as
  83     // primitives. These are not name-value pairs
  84     // so they have to be intercepted here and passed on to load.
  85     // although the class_id is included in the xml text file in order
  86     // to make the file self describing, it isn't used when loading
  87     // an xml archive.  So we can skip it here.  Note: we MUST override
  88     // it otherwise it will be loaded as a normal primitive w/o tag and
  89     // leaving the archive in an undetermined state
  90     BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  91     load_override(class_id_type & t);
  92     void load_override(class_id_optional_type & /* t */){}
  93     BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  94     load_override(object_id_type & t);
  95     BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  96     load_override(version_type & t);
  97     BOOST_ARCHIVE_OR_WARCHIVE_DECL void
  98     load_override(tracking_type & t);
  99     // class_name_type can't be handled here as it depends upon the
 100     // char type used by the stream.  So require the derived implementation
 101     // handle this.
 102     // void load_override(class_name_type & t);
 103
 104     BOOST_ARCHIVE_OR_WARCHIVE_DECL
 105     basic_xml_iarchive(unsigned int flags);
 106     BOOST_ARCHIVE_OR_WARCHIVE_DECL
 107     ~basic_xml_iarchive();
 108 };
 109
 110 } // namespace archive
 111 } // namespace boost
 112
 113 #ifdef BOOST_MSVC
 114 #pragma warning(pop)
 115 #endif
 116
 117 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
 118
 119 #endif // BOOST_ARCHIVE_BASIC_XML_IARCHIVE_HPP