1 // Locale support -*- C++ -*-
3 // Copyright (C) 2002 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 2, 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 // 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,
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.
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.
44 is(mask __m
, char __c
) const
74 __ret
= isxdigit(__c
);
91 is(const char* __low
, const char* __high
, mask
* __vec
) const
93 const int __bitmasksize
= 11; // Highest bitmask in ctype_base == 10
94 for (;__low
< __high
; ++__vec
, ++__low
)
97 int __i
= 0; // Lowest bitmask in ctype_base == 0
98 for (;__i
< __bitmasksize
; ++__i
)
100 mask __bit
= static_cast<mask
>(1 << __i
);
101 if (this->is(__bit
, *__low
))
111 scan_is(mask __m
, const char* __low
, const char* __high
) const
113 while (__low
< __high
&& !this->is(__m
, *__low
))
120 scan_not(mask __m
, const char* __low
, const char* __high
) const
122 while (__low
< __high
&& this->is(__m
, *__low
) != 0)