libstdc++
ctype_inline.h
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1 // Locale support -*- C++ -*-
2 
3 // Copyright (C) 2000-2021 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 
37 namespace std _GLIBCXX_VISIBILITY(default)
38 {
39 _GLIBCXX_BEGIN_NAMESPACE_VERSION
40 
41  bool
43  is(mask __m, char __c) const
44  { return _M_table[static_cast<unsigned char>(__c)] & __m; }
45 
46  const 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*
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*
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
ISO C++ entities toplevel namespace is std.
const char_type * scan_not(mask __m, const char_type *__lo, const char_type *__hi) const
Find char_type not matching a mask.
const char_type * scan_is(mask __m, const char_type *__lo, const char_type *__hi) const
Find char_type matching a mask.
bool is(mask __m, char_type __c) const
Test char_type classification.