1// Locale support -*- C++ -*-
2
3// Copyright (C) 2000, 2003, 2004, 2005 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 2, 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// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
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.
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  bool
38  ctype<char>::
39  is(mask __m, char __c) const
40  {
41    if (_M_table)
42      return _M_table[static_cast<unsigned char>(__c)] & __m;
43    else
44      return __istype(__c, __m);
45  }
46
47  const char*
48  ctype<char>::
49  is(const char* __low, const char* __high, mask* __vec) const
50  {
51    if (_M_table)
52      while (__low < __high)
53	*__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
54    else
55      for (;__low < __high; ++__vec, ++__low)
56	{
57#if defined (_CTYPE_S) || defined (__istype)
58	  *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
59			       | space | print | graph | cntrl | punct | alnum);
60#else
61	  mask __m = 0;
62	  if (this->is(upper, *__low)) __m |= upper;
63	  if (this->is(lower, *__low)) __m |= lower;
64	  if (this->is(alpha, *__low)) __m |= alpha;
65	  if (this->is(digit, *__low)) __m |= digit;
66	  if (this->is(xdigit, *__low)) __m |= xdigit;
67	  if (this->is(space, *__low)) __m |= space;
68	  if (this->is(print, *__low)) __m |= print;
69	  if (this->is(graph, *__low)) __m |= graph;
70	  if (this->is(cntrl, *__low)) __m |= cntrl;
71	  if (this->is(punct, *__low)) __m |= punct;
72	  // Do not include explicit line for alnum mask since it is a
73	  // pure composite of masks on FreeBSD.
74	  *__vec = __m;
75#endif
76	}
77    return __high;
78  }
79
80  const char*
81  ctype<char>::
82  scan_is(mask __m, const char* __low, const char* __high) const
83  {
84    if (_M_table)
85      while (__low < __high
86	     && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
87	++__low;
88    else
89      while (__low < __high && !this->is(__m, *__low))
90	++__low;
91    return __low;
92  }
93
94  const char*
95  ctype<char>::
96  scan_not(mask __m, const char* __low, const char* __high) const
97  {
98    if (_M_table)
99      while (__low < __high
100	     && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
101	++__low;
102    else
103      while (__low < __high && this->is(__m, *__low) != 0)
104	++__low;
105    return __low;
106  }
107
108#ifdef _GLIBCXX_USE_WCHAR_T
109  inline bool
110  ctype<wchar_t>::
111  do_is(mask __m, wchar_t __c) const
112  {
113    return __istype (__c, __m);
114  }
115
116  inline const wchar_t*
117  ctype<wchar_t>::
118  do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
119  {
120    for (; __lo < __hi; ++__vec, ++__lo)
121      *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
122			   | space | print | graph | cntrl | punct | alnum);
123    return __hi;
124  }
125
126  inline const wchar_t*
127  ctype<wchar_t>::
128  do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
129  {
130    while (__lo < __hi && ! __istype (*__lo, __m))
131      ++__lo;
132    return __lo;
133  }
134
135  inline const wchar_t*
136  ctype<wchar_t>::
137  do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
138  {
139    while (__lo < __hi && __istype (*__lo, __m))
140      ++__lo;
141    return __lo;
142  }
143#endif
144