ctype_noninline.h revision 132720 
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, 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  { 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
99