ctype_noninline.h revision 132720 
1// Locale support -*- C++ -*-
2
3// Copyright (C) 2004 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 2, 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// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING.  If not, write to the Free
18// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19// USA.
20
21// As a special exception, you may use this file as part of a free software
22// library without restriction.  Specifically, if other files instantiate
23// templates or use macros or inline functions from this file, or you compile
24// this file and link it with other files to produce an executable, this
25// file does not by itself cause the resulting executable to be covered by
26// the GNU General Public License.  This exception does not however
27// invalidate any other reasons why the executable file might be covered by
28// the GNU General Public License.
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  {
39    const ctype_base::mask* __ret;
40    char* __old = strdup(setlocale(LC_CTYPE, NULL));
41    setlocale(LC_CTYPE, "C");
42    __ret = *__ctype_b_loc();
43    setlocale(LC_CTYPE, __old);
44    free(__old);
45    return __ret;
46  }
47
48  ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
49		     size_t __refs)
50  : facet(__refs), _M_del(__table != 0 && __del)
51  {
52    char* __old=strdup(setlocale(LC_CTYPE, NULL));
53    setlocale(LC_CTYPE, "C");
54    _M_toupper = *__ctype_toupper_loc();
55    _M_tolower = *__ctype_tolower_loc();
56    _M_table = __table ? __table : *__ctype_b_loc();
57    setlocale(LC_CTYPE, __old);
58    free(__old);
59    _M_c_locale_ctype = _S_get_c_locale();
60  }
61
62  ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
63  : facet(__refs), _M_del(__table != 0 && __del)
64  {
65    char* __old=strdup(setlocale(LC_CTYPE, NULL));
66    setlocale(LC_CTYPE, "C");
67    _M_toupper = *__ctype_toupper_loc();
68    _M_tolower = *__ctype_tolower_loc();
69    _M_table = __table ? __table : *__ctype_b_loc();
70    setlocale(LC_CTYPE, __old);
71    free(__old);
72    _M_c_locale_ctype = _S_get_c_locale();
73  }
74
75  char
76  ctype<char>::do_toupper(char __c) const
77  { return _M_toupper[static_cast<unsigned char>(__c)]; }
78
79  const char*
80  ctype<char>::do_toupper(char* __low, const char* __high) const
81  {
82    while (__low < __high)
83      {
84	*__low = _M_toupper[static_cast<unsigned char>(*__low)];
85	++__low;
86      }
87    return __high;
88  }
89
90  char
91  ctype<char>::do_tolower(char __c) const
92  { return _M_tolower[static_cast<unsigned char>(__c)]; }
93
94  const char*
95  ctype<char>::do_tolower(char* __low, const char* __high) const
96  {
97    while (__low < __high)
98      {
99	*__low = _M_tolower[static_cast<unsigned char>(*__low)];
100	++__low;
101      }
102    return __high;
103  }
104