1117397Skan// Locale support -*- C++ -*-
2117397Skan
3117397Skan// Copyright (C) 2000, 2002 Free Software Foundation, Inc.
4117397Skan//
5117397Skan// This file is part of the GNU ISO C++ Library.  This library is free
6117397Skan// software; you can redistribute it and/or modify it under the
7117397Skan// terms of the GNU General Public License as published by the
8117397Skan// Free Software Foundation; either version 2, or (at your option)
9117397Skan// any later version.
10117397Skan
11117397Skan// This library is distributed in the hope that it will be useful,
12117397Skan// but WITHOUT ANY WARRANTY; without even the implied warranty of
13117397Skan// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14117397Skan// GNU General Public License for more details.
15117397Skan
16117397Skan// You should have received a copy of the GNU General Public License along
17117397Skan// with this library; see the file COPYING.  If not, write to the Free
18169691Skan// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19117397Skan// USA.
20117397Skan
21117397Skan// As a special exception, you may use this file as part of a free software
22117397Skan// library without restriction.  Specifically, if other files instantiate
23117397Skan// templates or use macros or inline functions from this file, or you compile
24117397Skan// this file and link it with other files to produce an executable, this
25117397Skan// file does not by itself cause the resulting executable to be covered by
26117397Skan// the GNU General Public License.  This exception does not however
27117397Skan// invalidate any other reasons why the executable file might be covered by
28117397Skan// the GNU General Public License.
29117397Skan
30169691Skan/** @file ctype_inline.h
31169691Skan *  This is an internal header file, included by other library headers.
32169691Skan *  You should not attempt to use it directly.
33169691Skan */
34169691Skan
35117397Skan//
36117397Skan// ISO C++ 14882: 22.1  Locales
37169691Skan//
38169691Skan
39117397Skan// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
40117397Skan// functions go in ctype.cc
41117397Skan
42169691Skan_GLIBCXX_BEGIN_NAMESPACE(std)
43169691Skan
44117397Skan  bool
45117397Skan  ctype<char>::
46117397Skan  is(mask __m, char __c) const
47117397Skan  { return _M_table[static_cast<unsigned char>(__c)] & __m; }
48117397Skan
49117397Skan  const char*
50117397Skan  ctype<char>::
51117397Skan  is(const char* __low, const char* __high, mask* __vec) const
52117397Skan  {
53117397Skan    const int __bitmasksize = sizeof(mask) * 8;
54117397Skan    for (;__low < __high; ++__vec, ++__low)
55117397Skan      {
56117397Skan	mask __m = _M_table[static_cast<unsigned char>(*__low)];
57117397Skan	int __i = 0; // Lowest bitmask value from ctype_base.
58117397Skan	while (__i < __bitmasksize && !(__m & static_cast<mask>(1 << __i)))
59117397Skan	  ++__i;
60117397Skan	*__vec = static_cast<mask>(1 << __i);
61117397Skan      }
62117397Skan    return __high;
63117397Skan  }
64117397Skan
65117397Skan  const char*
66117397Skan  ctype<char>::
67117397Skan  scan_is(mask __m, const char* __low, const char* __high) const
68117397Skan  {
69117397Skan    while (__low < __high
70117397Skan	   && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
71117397Skan      ++__low;
72117397Skan    return __low;
73117397Skan  }
74117397Skan
75117397Skan  const char*
76117397Skan  ctype<char>::
77117397Skan  scan_not(mask __m, const char* __low, const char* __high) const
78117397Skan  {
79117397Skan    while (__low < __high
80117397Skan	   && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
81117397Skan      ++__low;
82117397Skan    return __low;
83117397Skan  }
84169691Skan
85169691Skan_GLIBCXX_END_NAMESPACE
86