1// Locale support -*- C++ -*-
2
3// Copyright (C) 2000, 2001, 2002 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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/** @file ctype_noninline.h
31 *  This is an internal header file, included by other library headers.
32 *  You should not attempt to use it directly.
33 */
34
35//
36// ISO C++ 14882: 22.1  Locales
37//
38
39// Information as gleaned from /usr/include/ctype.h
40
41  const ctype_base::mask*
42  ctype<char>::classic_table() throw()
43  { return __ctype; }
44
45  ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
46		     size_t __refs)
47  : facet(__refs), _M_del(__table != 0 && __del),
48  _M_toupper(NULL), _M_tolower(NULL),
49  _M_table(__table ? __table : classic_table())
50  {
51    memset(_M_widen, 0, sizeof(_M_widen));
52    _M_widen_ok = 0;
53    memset(_M_narrow, 0, sizeof(_M_narrow));
54    _M_narrow_ok = 0;
55  }
56
57  ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
58  : facet(__refs), _M_del(__table != 0 && __del),
59  _M_toupper(NULL), _M_tolower(NULL),
60  _M_table(__table ? __table : classic_table())
61  {
62    memset(_M_widen, 0, sizeof(_M_widen));
63    _M_widen_ok = 0;
64    memset(_M_narrow, 0, sizeof(_M_narrow));
65    _M_narrow_ok = 0;
66  }
67
68  char
69  ctype<char>::do_toupper(char __c) const
70  { return ((_M_table + 258)[static_cast<unsigned char>(__c)]); }
71
72  const char*
73  ctype<char>::do_toupper(char* __low, const char* __high) const
74  {
75    while (__low < __high)
76      {
77	*__low = this->do_toupper(*__low);
78	++__low;
79      }
80    return __high;
81  }
82
83  char
84  ctype<char>::do_tolower(char __c) const
85  { return ((_M_table + 258)[static_cast<unsigned char>(__c)]); }
86
87  const char*
88  ctype<char>::do_tolower(char* __low, const char* __high) const
89  {
90    while (__low < __high)
91      {
92	*__low = this->do_tolower(*__low);
93	++__low;
94      }
95    return __high;
96  }
97