1 | #ifndef BOOST_SERIALIZATION_LIBRARY_VERSION_TYPE_HPP |
2 | #define BOOST_SERIALIZATION_LIBRARY_VERSION_TYPE_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 | // library_version_type.hpp: |
11 | |
12 | // (C) Copyright 2002-2020 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 | #include <cstring> // count |
19 | #include <boost/cstdint.hpp> // uint_least16_t |
20 | #include <boost/assert.hpp> |
21 | #include <boost/config.hpp> |
22 | #include <boost/integer_traits.hpp> |
23 | |
24 | namespace boost { |
25 | namespace serialization { |
26 | |
27 | #if defined(_MSC_VER) |
28 | #pragma warning( push ) |
29 | #pragma warning( disable : 4244 4267 ) |
30 | #endif |
31 | |
32 | /* NOTE : Warning : Warning : Warning : Warning : Warning |
33 | * Don't ever changes this. If you do, they previously created |
34 | * binary archives won't be readable !!! |
35 | */ |
36 | class library_version_type { |
37 | private: |
38 | typedef uint_least16_t base_type; |
39 | base_type t; |
40 | public: |
41 | library_version_type(): t(0) {} |
42 | explicit library_version_type(const unsigned int & t_) : t(t_){ |
43 | BOOST_ASSERT(t_ <= boost::integer_traits<base_type>::const_max); |
44 | } |
45 | library_version_type(const library_version_type & t_) : |
46 | t(t_.t) |
47 | {} |
48 | library_version_type & operator=(const library_version_type & rhs){ |
49 | t = rhs.t; |
50 | return *this; |
51 | } |
52 | // used for text output |
53 | operator base_type () const { |
54 | return t; |
55 | } |
56 | // used for text input |
57 | operator base_type & (){ |
58 | return t; |
59 | } |
60 | bool operator==(const library_version_type & rhs) const { |
61 | return t == rhs.t; |
62 | } |
63 | bool operator<(const library_version_type & rhs) const { |
64 | return t < rhs.t; |
65 | } |
66 | }; |
67 | |
68 | } // serialization |
69 | } // boost |
70 | |
71 | #endif // BOOST_SERIALIZATION_LIBRARY_VERSION_TYPE_HPP |
72 | |