82 lines
3.2 KiB
C++
82 lines
3.2 KiB
C++
#ifndef LOG_ARCHIVE_HPP
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#define LOG_ARCHIVE_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// log_archive.hpp
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// (C) Copyright 2010 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#include <boost/archive/xml_oarchive.hpp>
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namespace boost {
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namespace archive {
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namespace detail {
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template<class Archive> class interface_oarchive;
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} // namespace detail
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} // namespace archive
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} // boost
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/////////////////////////////////////////////////////////////////////////
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// log data to an output stream. This illustrates a simpler implemenation
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// of text output which is useful for getting a formatted display of
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// any serializable class. Intended to be useful as a debugging aid.
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class log_archive :
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/* protected ? */
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public boost::archive::xml_oarchive_impl<log_archive>
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{
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typedef boost::archive::xml_oarchive_impl<log_archive> base;
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// give serialization implementation access to this clas
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friend class boost::archive::detail::interface_oarchive<log_archive>;
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friend class boost::archive::basic_xml_oarchive<log_archive>;
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friend class boost::archive::save_access;
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/////////////////////////////////////////////////////////////////////
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// Override functions defined in basic_xml_oarchive
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// Anything not an attribute and not a name-value pair is an
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// error and should be trapped here.
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template<class T>
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void save_override(T & t){
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// make it a name-value pair and pass it on.
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// this permits this to be used even with data types which
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// are not wrapped with the name
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base::save_override(boost::serialization::make_nvp(NULL, t));
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}
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template<class T>
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void save_override(const boost::serialization::nvp< T > & t){
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// this is here to remove the "const" requirement. Since
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// this class is to be used only for output, it's not required.
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base::save_override(t);
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}
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// specific overrides for attributes - not name value pairs so we
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// want to trap them before the above "fall through"
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// since we don't want to see these in the output - make them no-ops.
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void save_override(const boost::archive::object_id_type & t){}
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void save_override(const boost::archive::object_reference_type & t){}
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void save_override(const boost::archive::version_type & t){}
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void save_override(const boost::archive::class_id_type & t){}
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void save_override(const boost::archive::class_id_optional_type & t){}
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void save_override(const boost::archive::class_id_reference_type & t){}
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void save_override(const boost::archive::class_name_type & t){}
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void save_override(const boost::archive::tracking_type & t){}
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public:
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log_archive(std::ostream & os, unsigned int flags = 0) :
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boost::archive::xml_oarchive_impl<log_archive>(
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os,
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flags | boost::archive::no_header
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)
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{}
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};
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#endif // LOG_ARCHIVE_HPP
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