libstdc++-v3/config/os/gnu-linux/ctype_noninline.h

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 //
  32 // ISO C++ 14882: 22.1  Locales
  33 //
  34
  35 // Information as gleaned from /usr/include/ctype.h
  36
  37 #if _GLIBCXX_C_LOCALE_GNU
  38   const ctype_base::mask*
  39   ctype<char>::classic_table() throw()
  40   { return _S_get_c_locale()->__ctype_b; }
  41 #else
  42   const ctype_base::mask*
  43   ctype<char>::classic_table() throw()
  44   {
  45     const ctype_base::mask* __ret;
  46     char* __old = strdup(setlocale(LC_CTYPE, NULL));
  47     setlocale(LC_CTYPE, "C");
  48 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
  49     __ret = *__ctype_b_loc();
  50 #else
  51     __ret = __ctype_b;
  52 #endif
  53     setlocale(LC_CTYPE, __old);
  54     free(__old);
  55     return __ret;
  56   }
  57 #endif
  58
  59 #if _GLIBCXX_C_LOCALE_GNU
  60   ctype<char>::ctype(__c_locale __cloc, const mask* __table, bool __del,
  61                      size_t __refs)
  62   : facet(__refs), _M_del(__table != 0 && __del)
  63   {
  64     _M_c_locale_ctype = _S_clone_c_locale(__cloc);
  65     _M_toupper = _M_c_locale_ctype->__ctype_toupper;
  66     _M_tolower = _M_c_locale_ctype->__ctype_tolower;
  67     _M_table = __table ? __table : _M_c_locale_ctype->__ctype_b;
  68     memset(_M_widen, 0, sizeof(_M_widen));
  69     _M_widen_ok = 0;
  70     memset(_M_narrow, 0, sizeof(_M_narrow));
  71     _M_narrow_ok = 0;
  72   }
  73 #else
  74   ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
  75                      size_t __refs)
  76   : facet(__refs), _M_del(__table != 0 && __del)
  77   {
  78     char* __old=strdup(setlocale(LC_CTYPE, NULL));
  79     setlocale(LC_CTYPE, "C");
  80 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
  81     _M_toupper = *__ctype_toupper_loc();
  82     _M_tolower = *__ctype_tolower_loc();
  83     _M_table = __table ? __table : *__ctype_b_loc();
  84 #else
  85     _M_toupper = __ctype_toupper;
  86     _M_tolower = __ctype_tolower;
  87     _M_table = __table ? __table : __ctype_b;
  88 #endif
  89     setlocale(LC_CTYPE, __old);
  90     free(__old);
  91     _M_c_locale_ctype = _S_get_c_locale();
  92     memset(_M_widen, 0, sizeof(_M_widen));
  93     _M_widen_ok = 0;
  94     memset(_M_narrow, 0, sizeof(_M_narrow));
  95     _M_narrow_ok = 0;
  96   }
  97 #endif
  98
  99 #if _GLIBCXX_C_LOCALE_GNU
 100   ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
 101   : facet(__refs), _M_del(__table != 0 && __del)
 102   {
 103     _M_c_locale_ctype = _S_get_c_locale();
 104     _M_toupper = _M_c_locale_ctype->__ctype_toupper;
 105     _M_tolower = _M_c_locale_ctype->__ctype_tolower;
 106     _M_table = __table ? __table : _M_c_locale_ctype->__ctype_b;
 107     memset(_M_widen, 0, sizeof(_M_widen));
 108     _M_widen_ok = 0;
 109     memset(_M_narrow, 0, sizeof(_M_narrow));
 110     _M_narrow_ok = 0;
 111   }
 112 #else
 113   ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
 114   : facet(__refs), _M_del(__table != 0 && __del)
 115   {
 116     char* __old=strdup(setlocale(LC_CTYPE, NULL));
 117     setlocale(LC_CTYPE, "C");
 118 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
 119     _M_toupper = *__ctype_toupper_loc();
 120     _M_tolower = *__ctype_tolower_loc();
 121     _M_table = __table ? __table : *__ctype_b_loc();
 122 #else
 123     _M_toupper = __ctype_toupper;
 124     _M_tolower = __ctype_tolower;
 125     _M_table = __table ? __table : __ctype_b;
 126 #endif
 127     setlocale(LC_CTYPE, __old);
 128     free(__old);
 129     _M_c_locale_ctype = _S_get_c_locale();
 130     memset(_M_widen, 0, sizeof(_M_widen));
 131     _M_widen_ok = 0;
 132     memset(_M_narrow, 0, sizeof(_M_narrow));
 133     _M_narrow_ok = 0;
 134   }
 135 #endif
 136
 137   char
 138   ctype<char>::do_toupper(char __c) const
 139   { return _M_toupper[static_cast<unsigned char>(__c)]; }
 140
 141   const char*
 142   ctype<char>::do_toupper(char* __low, const char* __high) const
 143   {
 144     while (__low < __high)
 145       {
 146         *__low = _M_toupper[static_cast<unsigned char>(*__low)];
 147         ++__low;
 148       }
 149     return __high;
 150   }
 151
 152   char
 153   ctype<char>::do_tolower(char __c) const
 154   { return _M_tolower[static_cast<unsigned char>(__c)]; }
 155
 156   const char*
 157   ctype<char>::do_tolower(char* __low, const char* __high) const
 158   {
 159     while (__low < __high)
 160       {
 161         *__low = _M_tolower[static_cast<unsigned char>(*__low)];
 162         ++__low;
 163       }
 164     return __high;
 165   }