ctype_noninline.h revision 117397 
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 _GLIBCPP_C_LOCALE_GNU
38  const ctype_base::mask*
39  ctype<char>::classic_table() throw()
40  {
41    locale::classic();
42    return _S_c_locale->__ctype_b;
43  }
44#else
45  const ctype_base::mask*
46  ctype<char>::classic_table() throw()
47  {
48    const ctype_base::mask* __ret;
49    char* __old = strdup(setlocale(LC_CTYPE, NULL));
50    setlocale(LC_CTYPE, "C");
51#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
52    __ret = *__ctype_b_loc();
53#else
54    __ret = __ctype_b;
55#endif
56    setlocale(LC_CTYPE, __old);
57    free(__old);
58    return __ret;
59  }
60#endif
61
62#if _GLIBCPP_C_LOCALE_GNU
63  ctype<char>::ctype(__c_locale __cloc, const mask* __table, bool __del,
64		     size_t __refs)
65  : __ctype_abstract_base<char>(__refs), _M_del(__table != 0 && __del)
66  {
67    _M_c_locale_ctype = _S_clone_c_locale(__cloc);
68    _M_toupper = _M_c_locale_ctype->__ctype_toupper;
69    _M_tolower = _M_c_locale_ctype->__ctype_tolower;
70    _M_table = __table ? __table : _M_c_locale_ctype->__ctype_b;
71  }
72#else
73  ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
74		     size_t __refs)
75  : __ctype_abstract_base<char>(__refs), _M_del(__table != 0 && __del)
76  {
77    char* __old=strdup(setlocale(LC_CTYPE, NULL));
78    setlocale(LC_CTYPE, "C");
79#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
80    _M_toupper = *__ctype_toupper_loc();
81    _M_tolower = *__ctype_tolower_loc();
82    _M_table = __table ? __table : *__ctype_b_loc();
83#else
84    _M_toupper = __ctype_toupper;
85    _M_tolower = __ctype_tolower;
86    _M_table = __table ? __table : __ctype_b;
87#endif
88    setlocale(LC_CTYPE, __old);
89    free(__old);
90    _M_c_locale_ctype = _S_c_locale;
91  }
92#endif
93
94#if _GLIBCPP_C_LOCALE_GNU
95  ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) :
96  __ctype_abstract_base<char>(__refs), _M_del(__table != 0 && __del)
97  {
98    _M_c_locale_ctype = _S_c_locale;
99    _M_toupper = _M_c_locale_ctype->__ctype_toupper;
100    _M_tolower = _M_c_locale_ctype->__ctype_tolower;
101    _M_table = __table ? __table : _M_c_locale_ctype->__ctype_b;
102  }
103#else
104  ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) :
105  __ctype_abstract_base<char>(__refs), _M_del(__table != 0 && __del)
106  {
107    char* __old=strdup(setlocale(LC_CTYPE, NULL));
108    setlocale(LC_CTYPE, "C");
109#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
110    _M_toupper = *__ctype_toupper_loc();
111    _M_tolower = *__ctype_tolower_loc();
112    _M_table = __table ? __table : *__ctype_b_loc();
113#else
114    _M_toupper = __ctype_toupper;
115    _M_tolower = __ctype_tolower;
116    _M_table = __table ? __table : __ctype_b;
117#endif
118    setlocale(LC_CTYPE, __old);
119    free(__old);
120    _M_c_locale_ctype = _S_c_locale;
121  }
122#endif
123
124  char
125  ctype<char>::do_toupper(char __c) const
126  { return _M_toupper[static_cast<unsigned char>(__c)]; }
127
128  const char*
129  ctype<char>::do_toupper(char* __low, const char* __high) const
130  {
131    while (__low < __high)
132      {
133	*__low = _M_toupper[static_cast<unsigned char>(*__low)];
134	++__low;
135      }
136    return __high;
137  }
138
139  char
140  ctype<char>::do_tolower(char __c) const
141  { return _M_tolower[static_cast<unsigned char>(__c)]; }
142
143  const char*
144  ctype<char>::do_tolower(char* __low, const char* __high) const
145  {
146    while (__low < __high)
147      {
148	*__low = _M_tolower[static_cast<unsigned char>(*__low)];
149	++__low;
150      }
151    return __high;
152  }
153