text: // Locale support -*- C++ -*-
  
  // Copyright (C) 2000 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 2, 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.
  
  // You should have received a copy of the GNU General Public License along
  // with this library; see the file COPYING.  If not, write to the Free
  // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  // USA.
  
  // As a special exception, you may use this file as part of a free software
  // library without restriction.  Specifically, if other files instantiate
  // templates or use macros or inline functions from this file, or you compile
  // this file and link it with other files to produce an executable, this
  // file does not by itself cause the resulting executable to be covered by
  // the GNU General Public License.  This exception does not however
  // invalidate any other reasons why the executable file might be covered by
  // the GNU General Public License.
  
  //
  // ISO C++ 14882: 22.1  Locales
  //
    
  // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
  // functions go in ctype.cc
    
    bool
    ctype<char>::
    is(mask __m, char __c) const 
    { return _M_table[(unsigned char)(__c)] & __m; }
  
    const char*
    ctype<char>::
    is(const char* __low, const char* __high, mask* __vec) const 
    {
      const int __bitmasksize = 11; // Highest bitmask in ctype_base == 10
      for (;__low < __high; ++__vec, ++__low)
        {
          mask __m = _M_table[*__low];
          int __i = 0; // Lowest bitmask in ctype_base == 0
          while (__i < __bitmasksize && !(__m & static_cast<mask>(1 << __i)))
            ++__i;
          *__vec = static_cast<mask>(1 << __i);
        }
      return __high;
    }
  
    const char*
    ctype<char>::
    scan_is(mask __m, const char* __low, const char* __high) const
    {
      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
    {
      while (__low < __high && this->is(__m, *__low) != 0)
        ++__low;
      return __low;
    }
  
  
  
  
  
  