libstdc++-v3/config/os/bionic/ctype_noninline.h

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2010 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 /** @file bits/ctype_noninline.h
  26  *  This is an internal header file, included by other library headers.
  27  *  Do not attempt to use it directly. @headername{locale}
  28  */
  29
  30 //
  31 // ISO C++ 14882: 22.1  Locales
  32 //
  33
  34 // Information as gleaned from /usr/include/ctype.h
  35
  36   const ctype_base::mask*
  37   ctype<char>::classic_table() throw()
  38   { return _ctype_ + 1; }
  39
  40   ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
  41                      size_t __refs)
  42   : facet(__refs), _M_del(__table != 0 && __del),
  43   _M_toupper(NULL), _M_tolower(NULL),
  44   _M_table(__table ? __table : classic_table())
  45   {
  46     memset(_M_widen, 0, sizeof(_M_widen));
  47     _M_widen_ok = 0;
  48     memset(_M_narrow, 0, sizeof(_M_narrow));
  49     _M_narrow_ok = 0;
  50   }
  51
  52   ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
  53   : facet(__refs), _M_del(__table != 0 && __del),
  54   _M_toupper(NULL), _M_tolower(NULL),
  55   _M_table(__table ? __table : classic_table())
  56   {
  57     memset(_M_widen, 0, sizeof(_M_widen));
  58     _M_widen_ok = 0;
  59     memset(_M_narrow, 0, sizeof(_M_narrow));
  60     _M_narrow_ok = 0;
  61   }
  62
  63   char
  64   ctype<char>::do_toupper(char __c) const
  65   {
  66     int __x = __c;
  67     return (this->is(ctype_base::lower, __c) ? (__x - 'a' + 'A') : __x);
  68   }
  69
  70   const char*
  71   ctype<char>::do_toupper(char* __low, const char* __high) const
  72   {
  73     while (__low < __high)
  74       {
  75         *__low = this->do_toupper(*__low);
  76         ++__low;
  77       }
  78     return __high;
  79   }
  80
  81   char
  82   ctype<char>::do_tolower(char __c) const
  83   {
  84     int __x = __c;
  85     return (this->is(ctype_base::upper, __c) ? (__x - 'A' + 'a') : __x);
  86   }
  87
  88   const char*
  89   ctype<char>::do_tolower(char* __low, const char* __high) const
  90   {
  91     while (__low < __high)
  92       {
  93         *__low = this->do_tolower(*__low);
  94         ++__low;
  95       }
  96     return __high;
  97   }
  98