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// Locale support -*- C++ -*-

// Copyright (C) 2002, 2009, 2010 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 unsigned char*        __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 short               mask;

    static const mask upper     = _UP;

    static const mask lower     = _LO;

    static const mask alpha     = _LO | _UP | _XA;

    static const mask digit     = _DI;

    static const mask xdigit    = _XD;

    static const mask space     = _CN | _SP | _XS;

    static const mask print     = _DI | _LO | _PU | _SP | _UP | _XA;

    static const mask graph     = _DI | _LO | _PU | _UP | _XA;

    static const mask cntrl     = _BB;

    static const mask punct     = _PU;

    static const mask alnum     = _DI | _LO | _UP | _XA;

  };

_GLIBCXX_END_NAMESPACE_VERSION

} // namespace