Chris@16: #ifndef BOOST_ARCHIVE_BASIC_XML_IARCHIVE_HPP
Chris@16: #define BOOST_ARCHIVE_BASIC_XML_IARCHIVE_HPP
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // basic_xml_iarchive.hpp
Chris@16: 
Chris@16: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #include <boost/serialization/pfto.hpp>
Chris@16: #include <boost/detail/workaround.hpp>
Chris@16: 
Chris@16: #include <boost/archive/detail/common_iarchive.hpp>
Chris@16: 
Chris@16: #include <boost/serialization/nvp.hpp>
Chris@16: #include <boost/serialization/string.hpp>
Chris@16: 
Chris@16: #include <boost/mpl/assert.hpp>
Chris@16: 
Chris@16: #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #  pragma warning(push)
Chris@16: #  pragma warning(disable : 4511 4512)
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace archive {
Chris@16: 
Chris@101: namespace detail {
Chris@101:     template<class Archive> class interface_iarchive;
Chris@101: } // namespace detail
Chris@101: 
Chris@16: /////////////////////////////////////////////////////////////////////////
Chris@16: // class xml_iarchive - read serialized objects from a input text stream
Chris@16: template<class Archive>
Chris@16: class basic_xml_iarchive :
Chris@16:     public detail::common_iarchive<Archive>
Chris@16: {
Chris@101: #ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
Chris@101: public:
Chris@101: #else
Chris@16: protected:
Chris@101:     #if BOOST_WORKAROUND(BOOST_MSVC, < 1500)
Chris@101:         // for some inexplicable reason insertion of "class" generates compile erro
Chris@101:         // on msvc 7.1
Chris@101:         friend detail::interface_iarchive<Archive>;
Chris@101:     #else
Chris@101:         friend class detail::interface_iarchive<Archive>;
Chris@101:     #endif
Chris@16: #endif
Chris@16:     unsigned int depth;
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load_start(const char *name);
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load_end(const char *name);
Chris@16: 
Chris@16:     // Anything not an attribute and not a name-value pair is an
Chris@16:     // should be trapped here.
Chris@16:     template<class T>
Chris@16:     void load_override(T & t,  BOOST_PFTO int)
Chris@16:     {
Chris@16:         // If your program fails to compile here, its most likely due to
Chris@16:         // not specifying an nvp wrapper around the variable to
Chris@16:         // be serialized.
Chris@16:         BOOST_MPL_ASSERT((serialization::is_wrapper< T >));
Chris@16:         this->detail_common_iarchive::load_override(t, 0);
Chris@16:     }
Chris@16: 
Chris@16:     // Anything not an attribute - see below - should be a name value
Chris@16:     // pair and be processed here
Chris@16:     typedef detail::common_iarchive<Archive> detail_common_iarchive;
Chris@16:     template<class T>
Chris@16:     void load_override(
Chris@16:         #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
Chris@16:         const
Chris@16:         #endif
Chris@16:         boost::serialization::nvp< T > & t,
Chris@16:         int
Chris@16:     ){
Chris@16:         this->This()->load_start(t.name());
Chris@16:         this->detail_common_iarchive::load_override(t.value(), 0);
Chris@16:         this->This()->load_end(t.name());
Chris@16:     }
Chris@16: 
Chris@16:     // specific overrides for attributes - handle as
Chris@16:     // primitives. These are not name-value pairs
Chris@16:     // so they have to be intercepted here and passed on to load.
Chris@16:     // although the class_id is included in the xml text file in order
Chris@16:     // to make the file self describing, it isn't used when loading
Chris@16:     // an xml archive.  So we can skip it here.  Note: we MUST override
Chris@16:     // it otherwise it will be loaded as a normal primitive w/o tag and
Chris@16:     // leaving the archive in an undetermined state
Chris@16:     void load_override(class_id_optional_type & /* t */, int){}
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load_override(object_id_type & t, int);
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load_override(version_type & t, int);
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load_override(class_id_type & t, int);
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load_override(tracking_type & t, int);
Chris@16:     // class_name_type can't be handled here as it depends upon the
Chris@16:     // char type used by the stream.  So require the derived implementation
Chris@16:     // handle this.
Chris@16:     // void load_override(class_name_type & t, int);
Chris@16: 
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
Chris@16:     basic_xml_iarchive(unsigned int flags);
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
Chris@16:     ~basic_xml_iarchive();
Chris@16: };
Chris@16: 
Chris@16: } // namespace archive
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
Chris@16: 
Chris@16: #endif // BOOST_ARCHIVE_BASIC_XML_IARCHIVE_HPP