libstdc++: ctype_inline.h Source File

libstdc++

ctype_inline.h
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1// Locale support -*- C++ -*-
2
3// Copyright (C) 2000-2026 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 bits/ctype_inline.h
26 * This is an internal header file, included by other library headers.
27 * Do not attempt to use it directly. @headername{locale}
28 */
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
37namespace std _GLIBCXX_VISIBILITY(default)
38{
39_GLIBCXX_BEGIN_NAMESPACE_VERSION
40
41 bool
42 ctype<char>::
43 is(mask __m, char __c) const
44 { return _M_table[static_cast<unsigned char>(__c)] & __m; }
45
46 const char*
47 ctype<char>::
48 is(const char* __low, const char* __high, mask* __vec) const
49 {
50 while (__low < __high)
51 *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
52 return __high;
53 }
54
55 const char*
56 ctype<char>::
57 scan_is(mask __m, const char* __low, const char* __high) const
58 {
59 while (__low < __high
60 && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
61 ++__low;
62 return __low;
63 }
64
65 const char*
66 ctype<char>::
67 scan_not(mask __m, const char* __low, const char* __high) const
68 {
69 while (__low < __high
70 && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
71 ++__low;
72 return __low;
73 }
74
75_GLIBCXX_END_NAMESPACE_VERSION
76} // namespace
std
ISO C++ entities toplevel namespace is std.
std::__ctype_abstract_base::scan_not
const char_type * scan_not(mask __m, const char_type *__lo, const char_type *__hi) const
Find char_type not matching a mask.
Definition locale_facets.h:221
std::__ctype_abstract_base::scan_is
const char_type * scan_is(mask __m, const char_type *__lo, const char_type *__hi) const
Find char_type matching a mask.
Definition locale_facets.h:205
std::__ctype_abstract_base::is
bool is(mask __m, char_type __c) const
Test char_type classification.
Definition locale_facets.h:172