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

// Copyright (C) 2000, 2003, 2004, 2005, 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_inline.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

//

// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)

// functions go in ctype.cc

namespace std _GLIBCXX_VISIBILITY(default)

{

_GLIBCXX_BEGIN_NAMESPACE_VERSION

  bool

  ctype<char>::

  is(mask __m, char __c) const

  {

    if (_M_table)

      return _M_table[static_cast<unsigned char>(__c)] & __m;

    else

      return __istype(__c, __m);

  }

  const char*

  ctype<char>::

  is(const char* __low, const char* __high, mask* __vec) const

  {

    if (_M_table)

      while (__low < __high)

        *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];

    else

      for (;__low < __high; ++__vec, ++__low)

        {

#if defined (_CTYPE_S) || defined (__istype)

          *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit

                               | space | print | graph | cntrl | punct | alnum);

#else

          mask __m = 0;

          if (this->is(upper, *__low)) __m |= upper;

          if (this->is(lower, *__low)) __m |= lower;

          if (this->is(alpha, *__low)) __m |= alpha;

          if (this->is(digit, *__low)) __m |= digit;

          if (this->is(xdigit, *__low)) __m |= xdigit;

          if (this->is(space, *__low)) __m |= space;

          if (this->is(print, *__low)) __m |= print;

          if (this->is(graph, *__low)) __m |= graph;

          if (this->is(cntrl, *__low)) __m |= cntrl;

          if (this->is(punct, *__low)) __m |= punct;

          // Do not include explicit line for alnum mask since it is a

          // pure composite of masks on FreeBSD.

          *__vec = __m;

#endif

        }

    return __high;

  }

  const char*

  ctype<char>::

  scan_is(mask __m, const char* __low, const char* __high) const

  {

    if (_M_table)

      while (__low < __high

             && !(_M_table[static_cast<unsigned char>(*__low)] & __m))

        ++__low;

    else

      while (__low < __high && !this->is(__m, *__low))

        ++__low;

    return __low;

  }

  const char*

  ctype<char>::

  scan_not(mask __m, const char* __low, const char* __high) const

  {

    if (_M_table)

      while (__low < __high

             && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)

        ++__low;

    else

      while (__low < __high && this->is(__m, *__low) != 0)

        ++__low;

    return __low;

  }

#ifdef _GLIBCXX_USE_WCHAR_T

  inline bool

  ctype<wchar_t>::

  do_is(mask __m, wchar_t __c) const

  {

    return __istype (__c, __m);

  }

  inline const wchar_t*

  ctype<wchar_t>::

  do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const

  {

    for (; __lo < __hi; ++__vec, ++__lo)

      *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit

                           | space | print | graph | cntrl | punct | alnum);

    return __hi;

  }

  inline const wchar_t*

  ctype<wchar_t>::

  do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const

  {

    while (__lo < __hi && ! __istype (*__lo, __m))

      ++__lo;

    return __lo;

  }

  inline const wchar_t*

  ctype<wchar_t>::

  do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const

  {

    while (__lo < __hi && __istype (*__lo, __m))

      ++__lo;

    return __lo;

  }

#endif

_GLIBCXX_END_NAMESPACE_VERSION

} // namespace