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367edbbe | 1 | // Locale support -*- C++ -*- |
2 | ||
fbd26352 | 3 | // Copyright (C) 2011-2019 Free Software Foundation, Inc. |
367edbbe | 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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
367edbbe | 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 | ||
6bc9506f | 16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
367edbbe | 19 | |
6bc9506f | 20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
367edbbe | 24 | |
d6f0fa25 | 25 | /** @file ctype_configure_char.cc */ |
944beac5 | 26 | |
367edbbe | 27 | // |
28 | // ISO C++ 14882: 22.1 Locales | |
29 | // | |
d6f0fa25 | 30 | |
31 | #include <locale> | |
32 | #include <cstdlib> | |
33 | #include <cstring> | |
34 | ||
35 | namespace std _GLIBCXX_VISIBILITY(default) | |
36 | { | |
37 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
38 | ||
367edbbe | 39 | // Information as gleaned from /usr/include/ctype.h |
40 | ||
41 | const ctype_base::mask* | |
42 | ctype<char>::classic_table() throw() | |
43 | { | |
44 | const ctype_base::mask* __ret; | |
c7599825 | 45 | char* __old = setlocale(LC_CTYPE, NULL); |
46 | const size_t __len = __builtin_strlen(__old) + 1; | |
47 | char* __sav = new char[__len]; | |
48 | __builtin_memcpy(__sav, __old, __len); | |
367edbbe | 49 | setlocale(LC_CTYPE, "C"); |
50 | __ret = *__ctype_b_loc(); | |
c7599825 | 51 | setlocale(LC_CTYPE, __sav); |
52 | delete [] __sav; | |
367edbbe | 53 | return __ret; |
54 | } | |
55 | ||
33b7ef52 | 56 | ctype<char>::ctype(__c_locale, const mask* __table, bool __del, |
57 | size_t __refs) | |
367edbbe | 58 | : facet(__refs), _M_del(__table != 0 && __del) |
59 | { | |
c7599825 | 60 | char* __old = setlocale(LC_CTYPE, NULL); |
61 | const size_t __len = __builtin_strlen(__old) + 1; | |
62 | char* __sav = new char[__len]; | |
63 | __builtin_memcpy(__sav, __old, __len); | |
367edbbe | 64 | setlocale(LC_CTYPE, "C"); |
65 | _M_toupper = *__ctype_toupper_loc(); | |
66 | _M_tolower = *__ctype_tolower_loc(); | |
67 | _M_table = __table ? __table : *__ctype_b_loc(); | |
c7599825 | 68 | setlocale(LC_CTYPE, __sav); |
69 | delete [] __sav; | |
367edbbe | 70 | _M_c_locale_ctype = _S_get_c_locale(); |
71 | } | |
72 | ||
73 | ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) | |
74 | : facet(__refs), _M_del(__table != 0 && __del) | |
75 | { | |
c7599825 | 76 | char* __old = setlocale(LC_CTYPE, NULL); |
77 | const size_t __len = __builtin_strlen(__old) + 1; | |
78 | char* __sav = new char[__len]; | |
79 | __builtin_memcpy(__sav, __old, __len); | |
367edbbe | 80 | setlocale(LC_CTYPE, "C"); |
81 | _M_toupper = *__ctype_toupper_loc(); | |
82 | _M_tolower = *__ctype_tolower_loc(); | |
83 | _M_table = __table ? __table : *__ctype_b_loc(); | |
c7599825 | 84 | setlocale(LC_CTYPE, __sav); |
85 | delete [] __sav; | |
367edbbe | 86 | _M_c_locale_ctype = _S_get_c_locale(); |
87 | } | |
88 | ||
89 | char | |
90 | ctype<char>::do_toupper(char __c) const | |
91 | { return _M_toupper[static_cast<unsigned char>(__c)]; } | |
92 | ||
93 | const char* | |
94 | ctype<char>::do_toupper(char* __low, const char* __high) const | |
95 | { | |
96 | while (__low < __high) | |
97 | { | |
98 | *__low = _M_toupper[static_cast<unsigned char>(*__low)]; | |
99 | ++__low; | |
100 | } | |
101 | return __high; | |
102 | } | |
103 | ||
104 | char | |
105 | ctype<char>::do_tolower(char __c) const | |
106 | { return _M_tolower[static_cast<unsigned char>(__c)]; } | |
107 | ||
33b7ef52 | 108 | const char* |
367edbbe | 109 | ctype<char>::do_tolower(char* __low, const char* __high) const |
110 | { | |
111 | while (__low < __high) | |
112 | { | |
113 | *__low = _M_tolower[static_cast<unsigned char>(*__low)]; | |
114 | ++__low; | |
115 | } | |
116 | return __high; | |
117 | } | |
d6f0fa25 | 118 | |
119 | _GLIBCXX_END_NAMESPACE_VERSION | |
120 | } // namespace |