1 | // Locale support -*- C++ -*- |
2 | |
3 | // Copyright (C) 1997-2021 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /** @file bits/ctype_base.h |
26 | * This is an internal header file, included by other library headers. |
27 | * Do not attempt to use it directly. @headername{locale} |
28 | */ |
29 | |
30 | // |
31 | // ISO C++ 14882: 22.1 Locales |
32 | // |
33 | |
34 | // Information as gleaned from /usr/include/ctype.h |
35 | |
36 | namespace std _GLIBCXX_VISIBILITY(default) |
37 | { |
38 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
39 | |
40 | /// @brief Base class for ctype. |
41 | struct ctype_base |
42 | { |
43 | // Non-standard typedefs. |
44 | typedef const int* __to_type; |
45 | |
46 | // NB: Offsets into ctype<char>::_M_table force a particular size |
47 | // on the mask type. Because of this, we don't use an enum. |
48 | typedef unsigned short mask; |
49 | static const mask upper = _ISupper; |
50 | static const mask lower = _ISlower; |
51 | static const mask alpha = _ISalpha; |
52 | static const mask digit = _ISdigit; |
53 | static const mask xdigit = _ISxdigit; |
54 | static const mask space = _ISspace; |
55 | static const mask print = _ISprint; |
56 | static const mask graph = _ISalpha | _ISdigit | _ISpunct; |
57 | static const mask cntrl = _IScntrl; |
58 | static const mask punct = _ISpunct; |
59 | static const mask alnum = _ISalpha | _ISdigit; |
60 | #if __cplusplus >= 201103L |
61 | static const mask blank = _ISblank; |
62 | #endif |
63 | }; |
64 | |
65 | _GLIBCXX_END_NAMESPACE_VERSION |
66 | } // namespace |
67 | |