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) && (_MSC_VER >= 1020)

     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