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1 | /* |
2 | * Copyright Andrey Semashev 2007 - 2015. | |
3 | * Distributed under the Boost Software License, Version 1.0. | |
4 | * (See accompanying file LICENSE_1_0.txt or copy at | |
5 | * http://www.boost.org/LICENSE_1_0.txt) | |
6 | */ | |
7 | /*! | |
8 | * \file is_character_type.hpp | |
9 | * \author Andrey Semashev | |
10 | * \date 25.07.2015 | |
11 | * | |
12 | * The header defines \c is_character_type trait which checks if the type is one of the character types | |
13 | */ | |
14 | ||
15 | #ifndef BOOST_LOG_DETAIL_IS_CHARACTER_TYPE_HPP_INCLUDED_ | |
16 | #define BOOST_LOG_DETAIL_IS_CHARACTER_TYPE_HPP_INCLUDED_ | |
17 | ||
18 | #include <boost/log/detail/config.hpp> | |
19 | #include <boost/log/detail/header.hpp> | |
20 | ||
21 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
22 | #pragma once | |
23 | #endif | |
24 | ||
25 | namespace boost { | |
26 | ||
27 | BOOST_LOG_OPEN_NAMESPACE | |
28 | ||
29 | namespace aux { | |
30 | ||
31 | template< typename T > | |
32 | struct is_character_type | |
33 | { | |
34 | static BOOST_CONSTEXPR_OR_CONST bool value = false; | |
35 | }; | |
36 | ||
37 | template< > | |
38 | struct is_character_type< char > | |
39 | { | |
40 | static BOOST_CONSTEXPR_OR_CONST bool value = true; | |
41 | }; | |
42 | ||
43 | template< > | |
44 | struct is_character_type< wchar_t > | |
45 | { | |
46 | static BOOST_CONSTEXPR_OR_CONST bool value = true; | |
47 | }; | |
48 | ||
49 | #if !defined(BOOST_NO_CXX11_CHAR16_T) | |
50 | template< > | |
51 | struct is_character_type< char16_t > | |
52 | { | |
53 | static BOOST_CONSTEXPR_OR_CONST bool value = true; | |
54 | }; | |
55 | #endif | |
56 | ||
57 | #if !defined(BOOST_NO_CXX11_CHAR32_T) | |
58 | template< > | |
59 | struct is_character_type< char32_t > | |
60 | { | |
61 | static BOOST_CONSTEXPR_OR_CONST bool value = true; | |
62 | }; | |
63 | #endif | |
64 | ||
65 | } // namespace aux | |
66 | ||
67 | BOOST_LOG_CLOSE_NAMESPACE // namespace log | |
68 | ||
69 | } // namespace boost | |
70 | ||
71 | #include <boost/log/detail/footer.hpp> | |
72 | ||
73 | #endif // BOOST_LOG_DETAIL_IS_CHARACTER_TYPE_HPP_INCLUDED_ |