libstdc++47: Fix iostream bug 2478
[dragonfly.git] / contrib / gcc-4.7 / libstdc++-v3 / config / os / bsd / dragonfly / ctype_inline.h
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1// Locale support -*- C++ -*-
2
3// Copyright (C) 2000, 2003, 2004, 2005, 2009, 2010
4// Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library. This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15// GNU General Public License for more details.
16
17// Under Section 7 of GPL version 3, you are granted additional
18// permissions described in the GCC Runtime Library Exception, version
19// 3.1, as published by the Free Software Foundation.
20
21// You should have received a copy of the GNU General Public License and
22// a copy of the GCC Runtime Library Exception along with this program;
23// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24// <http://www.gnu.org/licenses/>.
25
26/** @file bits/ctype_inline.h
27 * This is an internal header file, included by other library headers.
28 * Do not attempt to use it directly. @headername{locale}
29 */
30
31//
32// ISO C++ 14882: 22.1 Locales
33//
34
35// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
36// functions go in ctype.cc
37
38namespace std _GLIBCXX_VISIBILITY(default)
39{
40_GLIBCXX_BEGIN_NAMESPACE_VERSION
41
42 bool
43 ctype<char>::
44 is(mask __m, char __c) const
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45 {
46 if (_M_table)
47 return _M_table[static_cast<unsigned char>(__c)] & __m;
48 else
49 return __libc_ctype_ [__c + 1] & __m;
50 }
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51
52 const char*
53 ctype<char>::
54 is(const char* __low, const char* __high, mask* __vec) const
55 {
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56 if (_M_table)
57 while (__low < __high)
58 *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
59 else
60 for (;__low < __high; ++__vec, ++__low)
61 {
62 mask __m = 0;
63 if (this->is(upper, *__low)) __m |= upper;
64 if (this->is(lower, *__low)) __m |= lower;
65 if (this->is(alpha, *__low)) __m |= alpha;
66 if (this->is(digit, *__low)) __m |= digit;
67 if (this->is(xdigit, *__low)) __m |= xdigit;
68 if (this->is(space, *__low)) __m |= space;
69 if (this->is(print, *__low)) __m |= print;
70 if (this->is(graph, *__low)) __m |= graph;
71 if (this->is(cntrl, *__low)) __m |= cntrl;
72 if (this->is(punct, *__low)) __m |= punct;
73 // Do not include explicit line for alnum mask since it is a
74 // pure composite of masks on DragonFly.
75 *__vec = __m;
76 }
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77 return __high;
78 }
79
80 const char*
81 ctype<char>::
82 scan_is(mask __m, const char* __low, const char* __high) const
83 {
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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;
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91 return __low;
92 }
93
94 const char*
95 ctype<char>::
96 scan_not(mask __m, const char* __low, const char* __high) const
97 {
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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;
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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 __libc_ctype_ [__c + 1] & __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 {
122 mask __m = 0;
123 if (isupper (*__lo)) __m |= _CTYPEMASK_U;
124 if (islower (*__lo)) __m |= _CTYPEMASK_L;
125 if (isdigit (*__lo)) __m |= _CTYPEMASK_D;
126 if (isspace (*__lo)) __m |= _CTYPEMASK_S;
127 if (ispunct (*__lo)) __m |= _CTYPEMASK_P;
128 if (isblank (*__lo)) __m |= _CTYPEMASK_B;
129 if (iscntrl (*__lo)) __m |= _CTYPEMASK_C;
130 if (isalpha (*__lo)) __m |= _CTYPEMASK_A;
131 if (isgraph (*__lo)) __m |= _CTYPEMASK_G;
132 if (isprint (*__lo)) __m |= _CTYPEMASK_R;
133 if (isxdigit(*__lo)) __m |= _CTYPEMASK_X;
134 /* alnum already covered = alpha | digit */
135
136 *__vec = __m;
137 }
138 return __hi;
139 }
140
141 inline const wchar_t*
142 ctype<wchar_t>::
143 do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
144 {
145 while (__lo < __hi && !(__libc_ctype_ [*__lo + 1] & __m))
146 ++__lo;
147 return __lo;
148 }
149
150 inline const wchar_t*
151 ctype<wchar_t>::
152 do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
153 {
154 while (__lo < __hi && (__libc_ctype_ [*__lo + 1] & __m))
155 ++__lo;
156 return __lo;
157 }
158#endif
159
160_GLIBCXX_END_NAMESPACE_VERSION
161} // namespace