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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// 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);
this->_M_toupper = this->_M_c_locale_ctype->__ctype_toupper;
this->_M_tolower = this->_M_c_locale_ctype->__ctype_tolower;
this->_M_table = this->_M_c_locale_ctype->__ctype_b;
}
}
#ifdef _GLIBCXX_USE_WCHAR_T
ctype<wchar_t>::__wmask_type
ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const
{
__wmask_type __ret;
switch (__m)
{
case space:
__ret = __wctype_l("space", _M_c_locale_ctype);
break;
case print:
__ret = __wctype_l("print", _M_c_locale_ctype);
break;
case cntrl:
__ret = __wctype_l("cntrl", _M_c_locale_ctype);
break;
case upper:
__ret = __wctype_l("upper", _M_c_locale_ctype);
break;
case lower:
__ret = __wctype_l("lower", _M_c_locale_ctype);
break;
case alpha:
__ret = __wctype_l("alpha", _M_c_locale_ctype);
break;
case digit:
__ret = __wctype_l("digit", _M_c_locale_ctype);
break;
case punct:
__ret = __wctype_l("punct", _M_c_locale_ctype);
break;
case xdigit:
__ret = __wctype_l("xdigit", _M_c_locale_ctype);
break;
case alnum:
__ret = __wctype_l("alnum", _M_c_locale_ctype);
break;
case graph:
__ret = __wctype_l("graph", _M_c_locale_ctype);
break;
default:
__ret = 0;
}
return __ret;
}
wchar_t
ctype<wchar_t>::do_toupper(wchar_t __c) const
{ return __towupper_l(__c, _M_c_locale_ctype); }
const wchar_t*
ctype<wchar_t>::do_toupper(wchar_t* __lo, const wchar_t* __hi) const
{
while (__lo < __hi)
{
*__lo = __towupper_l(*__lo, _M_c_locale_ctype);
++__lo;
}
return __hi;
}
wchar_t
ctype<wchar_t>::do_tolower(wchar_t __c) const
{ return __towlower_l(__c, _M_c_locale_ctype); }
const wchar_t*
ctype<wchar_t>::do_tolower(wchar_t* __lo, const wchar_t* __hi) const
{
while (__lo < __hi)
{
*__lo = __towlower_l(*__lo, _M_c_locale_ctype);
++__lo;
}
return __hi;
}
bool
ctype<wchar_t>::
do_is(mask __m, wchar_t __c) const
{
// Highest bitmask in ctype_base == 10, but extra in "C"
// library for blank.
bool __ret = false;
const size_t __bitmasksize = 11;
for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
if (__m & _M_bit[__bitcur]
&& __iswctype_l(__c, _M_wmask[__bitcur], _M_c_locale_ctype))
{
__ret = true;
break;
}
return __ret;
}
const wchar_t*
ctype<wchar_t>::
do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
{
for (; __lo < __hi; ++__vec, ++__lo)
{
// Highest bitmask in ctype_base == 10, but extra in "C"
// library for blank.
const size_t __bitmasksize = 11;
mask __m = 0;
for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
if (__iswctype_l(*__lo, _M_wmask[__bitcur], _M_c_locale_ctype))
__m |= _M_bit[__bitcur];
*__vec = __m;
}
return __hi;
}
const wchar_t*
ctype<wchar_t>::
do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
{
while (__lo < __hi && !this->do_is(__m, *__lo))
++__lo;
return __lo;
}
const wchar_t*
ctype<wchar_t>::
do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
{
while (__lo < __hi && this->do_is(__m, *__lo) != 0)
++__lo;
return __lo;
}
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];
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__c_locale __old = __uselocale(_M_c_locale_ctype);
#endif
const int __c = wctob(__wc);
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__uselocale(__old);
#endif
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 __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__c_locale __old = __uselocale(_M_c_locale_ctype);
#endif
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;
}
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__uselocale(__old);
#endif
return __hi;
}
void
ctype<wchar_t>::_M_initialize_ctype()
{
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__c_locale __old = __uselocale(_M_c_locale_ctype);
#endif
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 __j = 0;
__j < sizeof(_M_widen) / sizeof(wint_t); ++__j)
_M_widen[__j] = btowc(__j);
for (size_t __k = 0; __k <= 11; ++__k)
{
_M_bit[__k] = static_cast<mask>(_ISbit(__k));
_M_wmask[__k] = _M_convert_to_wmask(_M_bit[__k]);
}
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__uselocale(__old);
#endif
}
#endif // _GLIBCXX_USE_WCHAR_T
}
|