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