1 // Locale support -*- C++ -*- 2 3 // Copyright (C) 2002-2020 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 _GLIBCXX_VISIBILITY(default)36namespace 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 unsigned char* __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 short mask; 49 static const mask upper = _UP; 50 static const mask lower = _LO; 51 static const mask alpha = _LO | _UP | _XA; 52 static const mask digit = _DI; 53 static const mask xdigit = _XD; 54 static const mask space = _CN | _SP | _XS; 55 static const mask print = _DI | _LO | _PU | _SP | _UP | _XA; 56 static const mask graph = _DI | _LO | _PU | _UP | _XA; 57 static const mask cntrl = _BB; 58 static const mask punct = _PU; 59 static const mask alnum = _DI | _LO | _UP | _XA; 60 #if __cplusplus >= 201103L 61 static const mask blank = _SP | _XB; 62 #endif 63 }; 64 65 _GLIBCXX_END_NAMESPACE_VERSION 66 } // namespace 67