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1 | // Locale support -*- C++ -*- |
2 | ||
3 | // Copyright (C) 2000 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 2, 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 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // As a special exception, you may use this file as part of a free software | |
22 | // library without restriction. Specifically, if other files instantiate | |
23 | // templates or use macros or inline functions from this file, or you compile | |
24 | // this file and link it with other files to produce an executable, this | |
25 | // file does not by itself cause the resulting executable to be covered by | |
26 | // the GNU General Public License. This exception does not however | |
27 | // invalidate any other reasons why the executable file might be covered by | |
28 | // the GNU General Public License. | |
29 | ||
30 | // | |
31 | // ISO C++ 14882: 22.1 Locales | |
32 | // | |
33 | ||
34 | // Information as gleaned from /usr/include/ctype.h | |
35 | ||
4716be24 | 36 | ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) |
167ed88f | 37 | : __ctype_abstract_base<char>(__refs), _M_del(__table != 0 && __del), |
c81a475f BK |
38 | _M_toupper(NULL), _M_tolower(NULL), |
39 | _M_ctable(_ctype_), _M_table(__table == 0 ? _M_ctable: __table) | |
40 | { } | |
41 | ||
42 | char | |
43 | ctype<char>::do_toupper(char __c) const | |
44 | { | |
45 | int __x = __c; | |
46 | return (this->is(ctype_base::upper, __c) ? (__x - 'A' + 'a') : __x); | |
47 | } | |
48 | ||
49 | const char* | |
50 | ctype<char>::do_toupper(char* __low, const char* __high) const | |
51 | { | |
52 | while (__low < __high) | |
53 | { | |
54 | *__low = this->do_toupper(*__low); | |
55 | ++__low; | |
56 | } | |
57 | return __high; | |
58 | } | |
59 | ||
60 | char | |
61 | ctype<char>::do_tolower(char __c) const | |
62 | { | |
63 | int __x = __c; | |
64 | return (this->is(ctype_base::lower, __c) ? (__x - 'A' + 'a') : __x); | |
65 | } | |
66 | ||
67 | const char* | |
68 | ctype<char>::do_tolower(char* __low, const char* __high) const | |
69 | { | |
70 | while (__low < __high) | |
71 | { | |
72 | *__low = this->do_tolower(*__low); | |
73 | ++__low; | |
74 | } | |
75 | return __high; | |
76 | } | |
77 |