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/** @file ctype_inline.h
31 *  This is an internal header file, included by other library headers.
32 *  You should not attempt to use it directly.
33 */
34
35//
36// ISO C++ 14882: 22.1  Locales
37//
38
39// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
40// functions go in ctype.cc
41
42_GLIBCXX_BEGIN_NAMESPACE(std)
43
44  bool
45  ctype<char>::
46  is(mask __m, char __c) const
47  {
48    if (_M_table)
49      return _M_table[static_cast<unsigned char>(__c)] & __m;
50    else
51      return __istype(__c, __m);
52  }
53
54  const char*
55  ctype<char>::
56  is(const char* __low, const char* __high, mask* __vec) const
57  {
58    if (_M_table)
59      while (__low < __high)
60	*__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
61    else
62      for (;__low < __high; ++__vec, ++__low)
63	{
64#if defined (_CTYPE_S) || defined (__istype)
65	  *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
66			       | space | print | graph | cntrl | punct | alnum);
67#else
68	  mask __m = 0;
69	  if (this->is(upper, *__low)) __m |= upper;
70	  if (this->is(lower, *__low)) __m |= lower;
71	  if (this->is(alpha, *__low)) __m |= alpha;
72	  if (this->is(digit, *__low)) __m |= digit;
73	  if (this->is(xdigit, *__low)) __m |= xdigit;
74	  if (this->is(space, *__low)) __m |= space;
75	  if (this->is(print, *__low)) __m |= print;
76	  if (this->is(graph, *__low)) __m |= graph;
77	  if (this->is(cntrl, *__low)) __m |= cntrl;
78	  if (this->is(punct, *__low)) __m |= punct;
79	  // Do not include explicit line for alnum mask since it is a
80	  // pure composite of masks on FreeBSD.
81	  *__vec = __m;
82#endif
83	}
84    return __high;
85  }
86
87  const char*
88  ctype<char>::
89  scan_is(mask __m, const char* __low, const char* __high) const
90  {
91    if (_M_table)
92      while (__low < __high
93	     && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
94	++__low;
95    else
96      while (__low < __high && !this->is(__m, *__low))
97	++__low;
98    return __low;
99  }
100
101  const char*
102  ctype<char>::
103  scan_not(mask __m, const char* __low, const char* __high) const
104  {
105    if (_M_table)
106      while (__low < __high
107	     && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
108	++__low;
109    else
110      while (__low < __high && this->is(__m, *__low) != 0)
111	++__low;
112    return __low;
113  }
114
115#ifdef _GLIBCXX_USE_WCHAR_T
116  inline bool
117  ctype<wchar_t>::
118  do_is(mask __m, wchar_t __c) const
119  {
120    return __istype (__c, __m);
121  }
122
123  inline const wchar_t*
124  ctype<wchar_t>::
125  do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
126  {
127    for (; __lo < __hi; ++__vec, ++__lo)
128      *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
129			   | space | print | graph | cntrl | punct | alnum);
130    return __hi;
131  }
132
133  inline const wchar_t*
134  ctype<wchar_t>::
135  do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
136  {
137    while (__lo < __hi && ! __istype (*__lo, __m))
138      ++__lo;
139    return __lo;
140  }
141
142  inline const wchar_t*
143  ctype<wchar_t>::
144  do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
145  {
146    while (__lo < __hi && __istype (*__lo, __m))
147      ++__lo;
148    return __lo;
149  }
150#endif
151
152_GLIBCXX_END_NAMESPACE
153