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1 | // Locale support -*- C++ -*- | |
2 | ||
3 | // Copyright (C) 2011-2020 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 3, 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 | // 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. | |
19 | ||
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/>. | |
24 | ||
25 | /** @file ctype_configure_char.cc */ | |
26 | ||
27 | // | |
28 | // ISO C++ 14882: 22.1 Locales | |
29 | // | |
30 | ||
31 | #include <locale> | |
32 | #include <cstdlib> | |
33 | #include <cstring> | |
34 | ||
35 | namespace std _GLIBCXX_VISIBILITY(default) | |
36 | { | |
37 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
38 | ||
39 | // Information as gleaned from /usr/include/ctype.h | |
40 | ||
41 | const ctype_base::mask* | |
42 | ctype<char>::classic_table() throw() | |
43 | { return __ctype_mask; } | |
44 | ||
45 | ctype<char>::ctype(__c_locale, const mask* __table, bool __del, | |
46 | size_t __refs) | |
47 | : facet(__refs), _M_del(__table != 0 && __del), | |
48 | _M_toupper(__trans_upper), _M_tolower(__trans_lower), | |
49 | _M_table(__table ? __table : classic_table()) | |
50 | { | |
51 | memset(_M_widen, 0, sizeof(_M_widen)); | |
52 | _M_widen_ok = 0; | |
53 | memset(_M_narrow, 0, sizeof(_M_narrow)); | |
54 | _M_narrow_ok = 0; | |
55 | } | |
56 | ||
57 | ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) | |
58 | : facet(__refs), _M_del(__table != 0 && __del), | |
59 | _M_toupper(__trans_upper), _M_tolower(__trans_lower), | |
60 | _M_table(__table ? __table : classic_table()) | |
61 | { | |
62 | memset(_M_widen, 0, sizeof(_M_widen)); | |
63 | _M_widen_ok = 0; | |
64 | memset(_M_narrow, 0, sizeof(_M_narrow)); | |
65 | _M_narrow_ok = 0; | |
66 | } | |
67 | ||
68 | char | |
69 | ctype<char>::do_toupper(char __c) const | |
70 | { return _M_toupper[static_cast<unsigned char>(__c)]; } | |
71 | ||
72 | const char* | |
73 | ctype<char>::do_toupper(char* __low, const char* __high) const | |
74 | { | |
75 | while (__low < __high) | |
76 | { | |
77 | *__low = _M_toupper[static_cast<unsigned char>(*__low)]; | |
78 | ++__low; | |
79 | } | |
80 | return __high; | |
81 | } | |
82 | ||
83 | char | |
84 | ctype<char>::do_tolower(char __c) const | |
85 | { return _M_tolower[static_cast<unsigned char>(__c)]; } | |
86 | ||
87 | const char* | |
88 | ctype<char>::do_tolower(char* __low, const char* __high) const | |
89 | { | |
90 | while (__low < __high) | |
91 | { | |
92 | *__low = _M_tolower[static_cast<unsigned char>(*__low)]; | |
93 | ++__low; | |
94 | } | |
95 | return __high; | |
96 | } | |
97 | ||
98 | _GLIBCXX_END_NAMESPACE_VERSION | |
99 | } // namespace |