| // Locale support -*- C++ -*- |
| |
| // Copyright (C) 1997-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| // |
| // ISO C++ 14882: 22.1 Locales |
| // |
| |
| // We don't use the C-locale masks defined in mingw/include/ctype.h |
| // because those masks do not conform to the requirements of 22.2.1. |
| // In particular, a separate 'print' bitmask does not exist (isprint(c) |
| // relies on a combination of flags) and the '_ALPHA' mask is also a |
| // combination of simple bitmasks. Thus, we define libstdc++-specific |
| // masks here, based on the generic masks, and the corresponding |
| // classic_table in ctype_noninline.h. |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| /// @brief Base class for ctype. |
| struct ctype_base |
| { |
| // Non-standard typedefs. |
| typedef const int* __to_type; |
| |
| // NB: Offsets into ctype<char>::_M_table force a particular size |
| // on the mask type. Because of this, we don't use an enum. |
| typedef unsigned short mask; |
| static const mask upper = 1 << 0; |
| static const mask lower = 1 << 1; |
| static const mask alpha = 1 << 2; |
| static const mask digit = 1 << 3; |
| static const mask xdigit = 1 << 4; |
| static const mask space = 1 << 5; |
| static const mask print = 1 << 6; |
| static const mask graph = (1 << 2) | (1 << 3) | (1 << 9); // alnum|punct |
| static const mask cntrl = 1 << 8; |
| static const mask punct = 1 << 9; |
| static const mask alnum = (1 << 2) | (1 << 3); // alpha|digit |
| #if __cplusplus >= 201103L |
| static const mask blank = 1 << 10; |
| #endif |
| }; |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |
