1// Locale support -*- C++ -*- 2 3// Copyright (C) 1999-2020 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// 26// ISO C++ 14882: 22.1 Locales 27// 28 29// Information as gleaned from /usr/include/ctype.h 30 31namespace std _GLIBCXX_VISIBILITY(default) 32{ 33_GLIBCXX_BEGIN_NAMESPACE_VERSION 34 35 /// @brief Base class for ctype. 36 struct ctype_base 37 { 38 // Non-standard typedefs. 39 typedef const int* __to_type; 40 41 // NB: Offsets into ctype<char>::_M_table force a particular size 42 // on the mask type. Because of this, we don't use an enum. 43 typedef unsigned int mask; 44 static const mask upper = _ISUPPER; 45 static const mask lower = _ISLOWER; 46 static const mask alpha = _ISALPHA; 47 static const mask digit = _ISDIGIT; 48 static const mask xdigit = _ISXDIGIT; 49 static const mask space = _ISSPACE; 50 static const mask print = _ISPRINT; 51 static const mask graph = _ISALPHA | _ISDIGIT | _ISPUNCT; 52 static const mask cntrl = _ISCNTRL; 53 static const mask punct = _ISPUNCT; 54 static const mask alnum = _ISALPHA | _ISDIGIT; 55#if __cplusplus >= 201103L 56 static const mask blank = _ISBLANK; 57#endif 58 }; 59 60_GLIBCXX_END_NAMESPACE_VERSION 61} // namespace 62