ctype_base.h
Go to the documentation of this file.
// 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/>.
/** @file bits/ctype_base.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{locale}
*/
//
// ISO C++ 14882: 22.1 Locales
//
// Information as gleaned from /usr/include/ctype.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 = _ISupper;
static const mask lower = _ISlower;
static const mask alpha = _ISalpha;
static const mask digit = _ISdigit;
static const mask xdigit = _ISxdigit;
static const mask space = _ISspace;
static const mask print = _ISprint;
static const mask graph = _ISalpha | _ISdigit | _ISpunct;
static const mask cntrl = _IScntrl;
static const mask punct = _ISpunct;
static const mask alnum = _ISalpha | _ISdigit;
#if __cplusplus >= 201103L
static const mask blank = _ISblank;
#endif
};
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
std
ISO C++ entities toplevel namespace is std.
std::ctype_base
Base class for ctype.
Definition ctype_base.h:42