ctype_base.h revision 1.8
1// Locale support -*- C++ -*- 2 3// Copyright (C) 2000-2017 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 on NetBSD. 30// Full details can be found from the CVS files at: 31// anoncvs@anoncvs.netbsd.org:/cvsroot/basesrc/include/ctype.h 32// See www.netbsd.org for details of access. 33 34namespace std _GLIBCXX_VISIBILITY(default) 35{ 36_GLIBCXX_BEGIN_NAMESPACE_VERSION 37 38 /// @brief Base class for ctype. 39 struct ctype_base 40 { 41 42 // NB: Offsets into ctype<char>::_M_table force a particular size 43 // on the mask type. Because of this, we don't use an enum. 44 45#ifndef _CTYPE_U 46 // Non-standard typedefs. 47 typedef const unsigned char* __to_type; 48 49 typedef unsigned char mask; 50 51 static const mask upper = _U; 52 static const mask lower = _L; 53 static const mask alpha = _U | _L; 54 static const mask digit = _N; 55 static const mask xdigit = _N | _X; 56 static const mask space = _S; 57 static const mask print = _P | _U | _L | _N | _B; 58 static const mask graph = _P | _U | _L | _N; 59 static const mask cntrl = _C; 60 static const mask punct = _P; 61 static const mask alnum = _U | _L | _N; 62#else 63 typedef const unsigned short* __to_type; 64 65 typedef unsigned short mask; 66 67 static const mask upper = _CTYPE_U; 68 static const mask lower = _CTYPE_L; 69 static const mask alpha = _CTYPE_A; 70 static const mask digit = _CTYPE_D; 71 static const mask xdigit = _CTYPE_X; 72 static const mask space = _CTYPE_S; 73 static const mask print = _CTYPE_R; 74 static const mask graph = _CTYPE_G; 75 static const mask cntrl = _CTYPE_C; 76 static const mask punct = _CTYPE_P; 77 static const mask alnum = _CTYPE_A | _CTYPE_D; 78#endif 79#if __cplusplus >= 201103L 80 static const mask blank = space; 81#endif 82 }; 83 84_GLIBCXX_END_NAMESPACE_VERSION 85} // namespace 86