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11b176c1 RE |
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 | // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*) | |
35 | // functions go in ctype.cc | |
36 | ||
37 | bool | |
38 | ctype<char>:: | |
39 | is(mask __m, char __c) const throw() | |
f502ff4f BK |
40 | { |
41 | if (__m & (digit | xdigit)) | |
42 | return __isctype(__c, __m); | |
43 | else | |
44 | return __istype(__c, __m); | |
45 | } | |
11b176c1 RE |
46 | |
47 | const char* | |
48 | ctype<char>:: | |
49 | is(const char* __low, const char* __high, mask* __vec) const throw() | |
50 | { | |
d9ab8adb BK |
51 | const int __bitmasksize = sizeof(mask) * 8; |
52 | for (;__low < __high; ++__vec, ++__low) | |
53 | { | |
54 | mask __m = _M_table[*__low]; | |
55 | int __i = 0; // Lowest bitmask value, 1 == 1 << 0 means 0 | |
56 | while (__i < __bitmasksize && !(__m & static_cast<mask>(1 << __i))) | |
57 | ++__i; | |
58 | *__vec = static_cast<mask>(1 << __i); | |
59 | } | |
11b176c1 RE |
60 | return __high; |
61 | } | |
62 | ||
63 | const char* | |
64 | ctype<char>:: | |
65 | scan_is(mask __m, const char* __low, const char* __high) const throw() | |
66 | { | |
67 | while (__low < __high && !this->is(__m, *__low)) | |
68 | ++__low; | |
69 | return __low; | |
70 | } | |
71 | ||
72 | const char* | |
73 | ctype<char>:: | |
74 | scan_not(mask __m, const char* __low, const char* __high) const throw() | |
75 | { | |
76 | while (__low < __high && this->is(__m, *__low) != 0) | |
77 | ++__low; | |
78 | return __low; | |
79 | } | |
80 | ||
81 | ||
82 | ||
83 | ||
84 |