| 1 | #ifndef BOOST_SERIALIZATION_TRACKING_ENUM_HPP |
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| 2 | #define BOOST_SERIALIZATION_TRACKING_ENUM_HPP |
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| 3 | |
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| 4 | // MS compatible compilers support #pragma once |
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| 5 | #if defined(_MSC_VER) |
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| 6 | # pragma once |
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| 7 | #endif |
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| 8 | |
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| 9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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| 10 | // tracking_enum.hpp: |
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| 11 | |
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| 12 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
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| 13 | // Use, modification and distribution is subject to the Boost Software |
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| 14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 15 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 16 | |
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| 17 | // See http://www.boost.org for updates, documentation, and revision history. |
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| 18 | |
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| 19 | namespace boost { |
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| 20 | namespace serialization { |
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| 21 | |
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| 22 | // addresses of serialized objects may be tracked to avoid saving/loading |
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| 23 | // redundant copies. This header defines a class trait that can be used |
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| 24 | // to specify when objects should be tracked |
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| 25 | |
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| 26 | // names for each tracking level |
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| 27 | enum tracking_type |
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| 28 | { |
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| 29 | // never track this type |
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| 30 | track_never = 0, |
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| 31 | // track objects of this type if the object is serialized through a |
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| 32 | // pointer. |
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| 33 | track_selectively = 1, |
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| 34 | // always track this type |
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| 35 | track_always = 2 |
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| 36 | }; |
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| 37 | |
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| 38 | } // namespace serialization |
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| 39 | } // namespace boost |
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| 40 | |
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| 41 | #endif // BOOST_SERIALIZATION_TRACKING_ENUM_HPP |
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| 42 | |
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