ctype_inline.h revision 1.3 
1// Locale support -*- C++ -*-
2
3// Copyright (C) 2000-2013 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 3, 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// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25/** @file bits/ctype_inline.h
26 *  This is an internal header file, included by other library headers.
27 *  Do not attempt to use it directly. @headername{locale}
28 */
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
37namespace std _GLIBCXX_VISIBILITY(default)
38{
39_GLIBCXX_BEGIN_NAMESPACE_VERSION
40
41  bool
42  ctype<char>::
43  is(mask __m, char __c) const
44  {
45    if (_M_table)
46      return _M_table[static_cast<unsigned char>(__c)] & __m;
47    else
48      return __istype(__c, __m);
49  }
50
51  const char*
52  ctype<char>::
53  is(const char* __low, const char* __high, mask* __vec) const
54  {
55    if (_M_table)
56      while (__low < __high)
57	*__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
58    else
59      for (;__low < __high; ++__vec, ++__low)
60	{
61#if defined (_CTYPE_S) || defined (__istype)
62	  *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
63			       | space | print | graph | cntrl | punct | alnum);
64#else
65	  mask __m = 0;
66	  if (this->is(upper, *__low)) __m |= upper;
67	  if (this->is(lower, *__low)) __m |= lower;
68	  if (this->is(alpha, *__low)) __m |= alpha;
69	  if (this->is(digit, *__low)) __m |= digit;
70	  if (this->is(xdigit, *__low)) __m |= xdigit;
71	  if (this->is(space, *__low)) __m |= space;
72	  if (this->is(print, *__low)) __m |= print;
73	  if (this->is(graph, *__low)) __m |= graph;
74	  if (this->is(cntrl, *__low)) __m |= cntrl;
75	  if (this->is(punct, *__low)) __m |= punct;
76	  // Do not include explicit line for alnum mask since it is a
77	  // pure composite of masks on FreeBSD.
78	  *__vec = __m;
79#endif
80	}
81    return __high;
82  }
83
84  const char*
85  ctype<char>::
86  scan_is(mask __m, const char* __low, const char* __high) const
87  {
88    if (_M_table)
89      while (__low < __high
90	     && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
91	++__low;
92    else
93      while (__low < __high && !this->is(__m, *__low))
94	++__low;
95    return __low;
96  }
97
98  const char*
99  ctype<char>::
100  scan_not(mask __m, const char* __low, const char* __high) const
101  {
102    if (_M_table)
103      while (__low < __high
104	     && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
105	++__low;
106    else
107      while (__low < __high && this->is(__m, *__low) != 0)
108	++__low;
109    return __low;
110  }
111
112#ifdef _GLIBCXX_USE_WCHAR_T
113  inline bool
114  ctype<wchar_t>::
115  do_is(mask __m, wchar_t __c) const
116  {
117    return __istype (__c, __m);
118  }
119
120  inline const wchar_t*
121  ctype<wchar_t>::
122  do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
123  {
124    for (; __lo < __hi; ++__vec, ++__lo)
125      *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
126			   | space | print | graph | cntrl | punct | alnum);
127    return __hi;
128  }
129
130  inline const wchar_t*
131  ctype<wchar_t>::
132  do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
133  {
134    while (__lo < __hi && ! __istype (*__lo, __m))
135      ++__lo;
136    return __lo;
137  }
138
139  inline const wchar_t*
140  ctype<wchar_t>::
141  do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
142  {
143    while (__lo < __hi && __istype (*__lo, __m))
144      ++__lo;
145    return __lo;
146  }
147#endif
148
149_GLIBCXX_END_NAMESPACE_VERSION
150} // namespace
151