1 #ifndef BOOST_SERIALIZATION_LEVEL_ENUM_HPP 2 #define BOOST_SERIALIZATION_LEVEL_ENUM_HPP 3 4 // MS compatible compilers support #pragma once 5 #if defined(_MSC_VER) 6 # pragma once 7 #endif 8 9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 10 // level_enum.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 namespace boost { 20 namespace serialization { 21 22 // for each class used in the program, specify which level 23 // of serialization should be implemented 24 25 // names for each level 26 enum level_type 27 { 28 // Don't serialize this type. An attempt to do so should 29 // invoke a compile time assertion. 30 not_serializable = 0, 31 // write/read this type directly to the archive. In this case 32 // serialization code won't be called. This is the default 33 // case for fundamental types. It presumes a member function or 34 // template in the archive class that can handle this type. 35 // there is no runtime overhead associated reading/writing 36 // instances of this level 37 primitive_type = 1, 38 // Serialize the objects of this type using the objects "serialize" 39 // function or template. This permits values to be written/read 40 // to/from archives but includes no class or version information. 41 object_serializable = 2, 42 /////////////////////////////////////////////////////////////////// 43 // once an object is serialized at one of the above levels, the 44 // corresponding archives cannot be read if the implementation level 45 // for the archive object is changed. 46 /////////////////////////////////////////////////////////////////// 47 // Add class information to the archive. Class information includes 48 // implementation level, class version and class name if available 49 object_class_info = 3 50 }; 51 52 } // namespace serialization 53 } // namespace boost 54 55 #endif // BOOST_SERIALIZATION_LEVEL_ENUM_HPP 56