1 // Locale support -*- C++ -*-
3 // Copyright (C) 2000, 2003, 2009, 2010 Free Software Foundation, Inc.
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)
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.
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.
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/>.
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}
31 // ISO C++ 14882: 22.1 Locales
34 // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
35 // functions go in ctype.cc
37 // The following definitions are portable, but insanely slow. If one
38 // cares at all about performance, then specialized ctype
39 // functionality should be added for the native os in question: see
40 // the config/os/bits/ctype_*.h files.
42 // Constructing a synthetic "C" table should be seriously considered...
44 _GLIBCXX_BEGIN_NAMESPACE(std)
48 is(mask __m, char __c) const
51 return _M_table[static_cast<unsigned char>(__c)] & __m;
55 const size_t __bitmasksize = 15;
56 size_t __bitcur = 0; // Lowest bitmask in ctype_base == 0
57 for (; __bitcur <= __bitmasksize; ++__bitcur)
59 const mask __bit = static_cast<mask>(1 << __bitcur);
66 __testis = isspace(__c);
69 __testis = isprint(__c);
72 __testis = iscntrl(__c);
75 __testis = isupper(__c);
78 __testis = islower(__c);
81 __testis = isalpha(__c);
84 __testis = isdigit(__c);
87 __testis = ispunct(__c);
90 __testis = isxdigit(__c);
93 __testis = isalnum(__c);
96 __testis = isgraph(__c);
111 is(const char* __low, const char* __high, mask* __vec) const
114 while (__low < __high)
115 *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
118 // Highest bitmask in ctype_base == 10.
119 const size_t __bitmasksize = 15;
120 for (;__low < __high; ++__vec, ++__low)
123 // Lowest bitmask in ctype_base == 0
125 for (;__i <= __bitmasksize; ++__i)
127 const mask __bit = static_cast<mask>(1 << __i);
128 if (this->is(__bit, *__low))
139 scan_is(mask __m, const char* __low, const char* __high) const
142 while (__low < __high
143 && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
146 while (__low < __high && !this->is(__m, *__low))
153 scan_not(mask __m, const char* __low, const char* __high) const
156 while (__low < __high
157 && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
160 while (__low < __high && this->is(__m, *__low) != 0)
165 _GLIBCXX_END_NAMESPACE