boost/archive/xml_iarchive.hpp

   1 #ifndef BOOST_ARCHIVE_XML_IARCHIVE_HPP
   2 #define BOOST_ARCHIVE_XML_IARCHIVE_HPP
   3
   4 // MS compatible compilers support #pragma once
   5 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
   6 # pragma once
   7 #endif
   8
   9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  10 // 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 <istream>
  20
  21 //#include <boost/scoped_ptr.hpp>
  22 #include <boost/archive/detail/auto_link_archive.hpp>
  23 #include <boost/archive/basic_text_iprimitive.hpp>
  24 #include <boost/archive/basic_xml_iarchive.hpp>
  25
  26 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
  27
  28 namespace boost {
  29 namespace archive {
  30
  31 template<class CharType>
  32 class basic_xml_grammar;
  33 typedef basic_xml_grammar<char> xml_grammar;
  34
  35 template<class Archive>
  36 class xml_iarchive_impl :
  37     public basic_text_iprimitive<std::istream>,
  38     public basic_xml_iarchive<Archive>
  39 {
  40 #ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
  41 public:
  42 #else
  43     friend class detail::interface_iarchive<Archive>;
  44     friend class basic_xml_iarchive<Archive>;
  45     friend class load_access;
  46 protected:
  47 #endif
  48     // instances of micro xml parser to parse start preambles
  49     // scoped_ptr doesn't play nice with borland - so use a naked pointer
  50     // scoped_ptr<xml_grammar> gimpl;
  51     xml_grammar *gimpl;
  52
  53     std::istream & get_is(){
  54         return is;
  55     }
  56     template<class T>
  57     void load(T & t){
  58         basic_text_iprimitive<std::istream>::load(t);
  59     }
  60     BOOST_ARCHIVE_DECL(void)
  61     load(char * t);
  62     #ifndef BOOST_NO_INTRINSIC_WCHAR_T
  63     BOOST_ARCHIVE_DECL(void)
  64     load(wchar_t * t);
  65     #endif
  66     BOOST_ARCHIVE_DECL(void)
  67     load(std::string &s);
  68     #ifndef BOOST_NO_STD_WSTRING
  69     BOOST_ARCHIVE_DECL(void)
  70     load(std::wstring &ws);
  71     #endif
  72     template<class T>
  73     void load_override(T & t, BOOST_PFTO int){
  74         basic_xml_iarchive<Archive>::load_override(t, 0);
  75     }
  76     BOOST_ARCHIVE_DECL(void)
  77     load_override(class_name_type & t, int);
  78     BOOST_ARCHIVE_DECL(void)
  79     init();
  80     BOOST_ARCHIVE_DECL(BOOST_PP_EMPTY())
  81     xml_iarchive_impl(std::istream & is, unsigned int flags);
  82     BOOST_ARCHIVE_DECL(BOOST_PP_EMPTY())
  83     ~xml_iarchive_impl();
  84 };
  85
  86 // do not derive from the classes below.  If you want to extend this functionality
  87 // via inhertance, derived from text_iarchive_impl instead.  This will
  88 // preserve correct static polymorphism.
  89
  90 // same as xml_iarchive below - without the shared_ptr_helper
  91 class naked_xml_iarchive :
  92     public xml_iarchive_impl<naked_xml_iarchive>
  93 {
  94 public:
  95     naked_xml_iarchive(std::istream & is, unsigned int flags = 0) :
  96         xml_iarchive_impl<naked_xml_iarchive>(is, flags)
  97     {}
  98     ~naked_xml_iarchive(){}
  99 };
 100
 101 } // namespace archive
 102 } // namespace boost
 103
 104 // note special treatment of shared_ptr. This type needs a special
 105 // structure associated with every archive.  We created a "mix-in"
 106 // class to provide this functionality.  Since shared_ptr holds a
 107 // special esteem in the boost library - we included it here by default.
 108 #include <boost/archive/shared_ptr_helper.hpp>
 109
 110 namespace boost {
 111 namespace archive {
 112
 113 class xml_iarchive :
 114     public xml_iarchive_impl<xml_iarchive>,
 115     public detail::shared_ptr_helper
 116 {
 117 public:
 118     xml_iarchive(std::istream & is, unsigned int flags = 0) :
 119         xml_iarchive_impl<xml_iarchive>(is, flags)
 120     {}
 121     ~xml_iarchive(){};
 122 };
 123
 124 } // namespace archive
 125 } // namespace boost
 126
 127 // required by export
 128 BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::archive::xml_iarchive)
 129
 130 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
 131
 132 #endif // BOOST_ARCHIVE_XML_IARCHIVE_HPP