1// Locale support -*- C++ -*-
2
3// Copyright (C) 2000, 2003, 2004 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#if BUILDING_LIBSTDCXX
45__attribute__((used))
46#endif
47bool
48  ctype<char>::
49  is(mask __m, char __c) const
50  {
51    if (_M_table)
52      return _M_table[static_cast<unsigned char>(__c)] & __m;
53    else
54      return __istype(__c, __m);
55  }
56
57  const char*
58  ctype<char>::
59  is(const char* __low, const char* __high, mask* __vec) const
60  {
61    if (_M_table)
62      while (__low < __high)
63	*__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
64    else
65      for (;__low < __high; ++__vec, ++__low)
66	{
67#if defined (_CTYPE_S) || defined (__istype)
68	  *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
69			       | space | print | graph | cntrl | punct | alnum);
70#else
71	  mask __m = 0;
72	  if (this->is(upper, *__low)) __m |= upper;
73	  if (this->is(lower, *__low)) __m |= lower;
74	  if (this->is(alpha, *__low)) __m |= alpha;
75	  if (this->is(digit, *__low)) __m |= digit;
76	  if (this->is(xdigit, *__low)) __m |= xdigit;
77	  if (this->is(space, *__low)) __m |= space;
78	  if (this->is(print, *__low)) __m |= print;
79	  if (this->is(graph, *__low)) __m |= graph;
80	  if (this->is(cntrl, *__low)) __m |= cntrl;
81	  if (this->is(punct, *__low)) __m |= punct;
82	  // Do not include explicit line for alnum mask since it is a
83	  // pure composite of masks on FreeBSD.
84	  *__vec = __m;
85#endif
86	}
87    return __high;
88  }
89
90#if BUILDING_LIBSTDCXX
91__attribute__((used))
92#endif
93const char*
94  ctype<char>::
95  scan_is(mask __m, const char* __low, const char* __high) const
96  {
97    if (_M_table)
98      while (__low < __high
99	     && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
100	++__low;
101    else
102      while (__low < __high && !this->is(__m, *__low))
103	++__low;
104    return __low;
105  }
106
107#if BUILDING_LIBSTDCXX
108__attribute__((used))
109#endif
110const char*
111  ctype<char>::
112  scan_not(mask __m, const char* __low, const char* __high) const
113  {
114    if (_M_table)
115      while (__low < __high
116	     && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
117	++__low;
118    else
119      while (__low < __high && this->is(__m, *__low) != 0)
120	++__low;
121    return __low;
122  }
123
124#ifdef _GLIBCXX_USE_WCHAR_T
125  inline bool
126  ctype<wchar_t>::
127  do_is(mask __m, wchar_t __c) const
128  {
129    return __istype (__c, __m);
130  }
131
132  inline const wchar_t*
133  ctype<wchar_t>::
134  do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
135  {
136    for (; __lo < __hi; ++__vec, ++__lo)
137      *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
138			   | space | print | graph | cntrl | punct | alnum);
139    return __hi;
140  }
141
142  inline const wchar_t*
143  ctype<wchar_t>::
144  do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
145  {
146    while (__lo < __hi && ! __istype (*__lo, __m))
147      ++__lo;
148    return __lo;
149  }
150
151  inline const wchar_t*
152  ctype<wchar_t>::
153  do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
154  {
155    while (__lo < __hi && __istype (*__lo, __m))
156      ++__lo;
157    return __lo;
158  }
159#endif
160
161_GLIBCXX_END_NAMESPACE
162