1 // Locale support -*- C++ -*- 2 3 // Copyright (C) 1997-2013 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 // We don't use the C-locale masks defined in mingw/include/ctype.h 30 // because those masks do not conform to the requirements of 22.2.1. 31 // In particular, a separate 'print' bitmask does not exist (isprint(c) 32 // relies on a combination of flags) and the '_ALPHA' mask is also a 33 // combination of simple bitmasks. Thus, we define libstdc++-specific 34 // masks here, based on the generic masks, and the corresponding 35 // classic_table in ctype_noninline.h. 36 37 namespace std _GLIBCXX_VISIBILITY(default) 38 { 39 _GLIBCXX_BEGIN_NAMESPACE_VERSION 40 41 /// @brief Base class for ctype. 42 struct ctype_base 43 { 44 // Non-standard typedefs. 45 typedef const int* __to_type; 46 47 // NB: Offsets into ctype<char>::_M_table force a particular size 48 // on the mask type. Because of this, we don't use an enum. 49 typedef unsigned short mask; 50 static const mask upper = 1 << 0; 51 static const mask lower = 1 << 1; 52 static const mask alpha = 1 << 2; 53 static const mask digit = 1 << 3; 54 static const mask xdigit = 1 << 4; 55 static const mask space = 1 << 5; 56 static const mask print = 1 << 6; 57 static const mask graph = (1 << 2) | (1 << 3) | (1 << 9); // alnum|punct 58 static const mask cntrl = 1 << 8; 59 static const mask punct = 1 << 9; 60 static const mask alnum = (1 << 2) | (1 << 3); // alpha|digit 61 }; 62 63 _GLIBCXX_END_NAMESPACE_VERSION 64 } // namespace 65
