aboutsummaryrefslogtreecommitdiff
path: root/libstdc++-v3/config/locale/darwin/ctype_members.cc
blob: c2a5c4ac500a2dad2765e911892b36013c113d69 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
// std::ctype implementation details, GNU version -*- C++ -*-

// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

//
// ISO C++ 14882: 22.2.1.1.2  ctype virtual functions.
//

// Written by Benjamin Kosnik <bkoz@redhat.com>

#include <locale>
#include <bits/c++locale_internal.h>

namespace std
{
  // NB: The other ctype<char> specializations are in src/locale.cc and
  // various /config/os/* files.
  template<>
    ctype_byname<char>::ctype_byname(const char* __s, size_t __refs)
    : ctype<char>(0, false, __refs) 
    { 		
      if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
	{
	  this->_S_destroy_c_locale(this->_M_c_locale_ctype);
	  this->_S_create_c_locale(this->_M_c_locale_ctype, __s); 
	}
    }

#ifdef _GLIBCXX_USE_WCHAR_T  
  ctype<wchar_t>::__wmask_type
  ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const
  {
    // Darwin uses the same codes for 'char' as 'wchar_t', so this routine
    // never gets called.
    return __m;
  };
  
  wchar_t
  ctype<wchar_t>::do_toupper(wchar_t __c) const
  { return towupper(__c); }

  const wchar_t*
  ctype<wchar_t>::do_toupper(wchar_t* __lo, const wchar_t* __hi) const
  {
    while (__lo < __hi)
      {
        *__lo = towupper(*__lo);
        ++__lo;
      }
    return __hi;
  }
  
  wchar_t
  ctype<wchar_t>::do_tolower(wchar_t __c) const
  { return towlower(__c); }
  
  const wchar_t*
  ctype<wchar_t>::do_tolower(wchar_t* __lo, const wchar_t* __hi) const
  {
    while (__lo < __hi)
      {
        *__lo = towlower(*__lo);
        ++__lo;
      }
    return __hi;
  }

  wchar_t
  ctype<wchar_t>::
  do_widen(char __c) const
  { return _M_widen[static_cast<unsigned char>(__c)]; }

  const char* 
  ctype<wchar_t>::
  do_widen(const char* __lo, const char* __hi, wchar_t* __dest) const
  {
    while (__lo < __hi)
      {
	*__dest = _M_widen[static_cast<unsigned char>(*__lo)];
	++__lo;
	++__dest;
      }
    return __hi;
  }

  char
  ctype<wchar_t>::
  do_narrow(wchar_t __wc, char __dfault) const
  { 
    if (__wc >= 0 && __wc < 128 && _M_narrow_ok)
      return _M_narrow[__wc];
    const int __c = wctob(__wc);
    return (__c == EOF ? __dfault : static_cast<char>(__c)); 
  }

  const wchar_t*
  ctype<wchar_t>::
  do_narrow(const wchar_t* __lo, const wchar_t* __hi, char __dfault, 
	    char* __dest) const
  {
    if (_M_narrow_ok)
      while (__lo < __hi)
	{
	  if (*__lo >= 0 && *__lo < 128)
	    *__dest = _M_narrow[*__lo];
	  else
	    {
	      const int __c = wctob(*__lo);
	      *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
	    }
	  ++__lo;
	  ++__dest;
	}
    else
      while (__lo < __hi)
	{
	  const int __c = wctob(*__lo);
	  *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
	  ++__lo;
	  ++__dest;
	}
    return __hi;
  }

  void
  ctype<wchar_t>::_M_initialize_ctype()
  {
    wint_t __i;
    for (__i = 0; __i < 128; ++__i)
      {
	const int __c = wctob(__i);
	if (__c == EOF)
	  break;
	else
	  _M_narrow[__i] = static_cast<char>(__c);
      }
    if (__i == 128)
      _M_narrow_ok = true;
    else
      _M_narrow_ok = false;
    for (size_t __i = 0;
	 __i < sizeof(_M_widen) / sizeof(wint_t); ++__i)
      _M_widen[__i] = btowc(__i);
  }
#endif //  _GLIBCXX_USE_WCHAR_T
}