williamr@2: #ifndef BOOST_SERIALIZATION_LEVEL_ENUM_HPP
williamr@2: #define BOOST_SERIALIZATION_LEVEL_ENUM_HPP
williamr@2: 
williamr@2: // MS compatible compilers support #pragma once
williamr@2: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
williamr@2: # pragma once
williamr@2: #endif
williamr@2: 
williamr@2: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
williamr@2: // level_enum.hpp:
williamr@2: 
williamr@2: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
williamr@2: // Use, modification and distribution is subject to the Boost Software
williamr@2: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
williamr@2: // http://www.boost.org/LICENSE_1_0.txt)
williamr@2: 
williamr@2: //  See http://www.boost.org for updates, documentation, and revision history.
williamr@2: 
williamr@2: namespace boost {
williamr@2: namespace serialization {
williamr@2: 
williamr@2: // for each class used in the program, specify which level
williamr@2: // of serialization should be implemented
williamr@2: 
williamr@2: // names for each level
williamr@2: enum level_type
williamr@2: {
williamr@2:     // Don't serialize this type. An attempt to do so should
williamr@2:     // invoke a compile time assertion.
williamr@2:     not_serializable = 0,
williamr@2:     // write/read this type directly to the archive. In this case
williamr@2:     // serialization code won't be called.  This is the default
williamr@2:     // case for fundamental types.  It presumes a member function or
williamr@2:     // template in the archive class that can handle this type.
williamr@2:     // there is no runtime overhead associated reading/writing
williamr@2:     // instances of this level
williamr@2:     primitive_type = 1,
williamr@2:     // Serialize the objects of this type using the objects "serialize"
williamr@2:     // function or template. This permits values to be written/read
williamr@2:     // to/from archives but includes no class or version information. 
williamr@2:     object_serializable = 2,
williamr@2:     ///////////////////////////////////////////////////////////////////
williamr@2:     // once an object is serialized at one of the above levels, the
williamr@2:     // corresponding archives cannot be read if the implementation level
williamr@2:     // for the archive object is changed.  
williamr@2:     ///////////////////////////////////////////////////////////////////
williamr@2:     // Add class information to the archive.  Class information includes
williamr@2:     // implementation level, class version and class name if available
williamr@2:     object_class_info = 3
williamr@2: };
williamr@2: 
williamr@2: } // namespace serialization
williamr@2: } // namespace boost
williamr@2: 
williamr@2: #endif // BOOST_SERIALIZATION_LEVEL_ENUM_HPP