1 // std::ctype implementation details, DragonFly version -*- C++ -*-
3 // Copyright (C) 2014-2015 Free Software Foundation, Inc.
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)
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.
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.
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/>.
26 // ISO C++ 14882: 22.2.1.1.2 ctype virtual functions.
29 // Written by Benjamin Kosnik <bkoz@redhat.com>
30 // Modified for DragonFly by John Marino <gnugcc@marino.st>
37 #define _ISbit(bit) ((bit) < 8 ? ((1 << (bit)) << 8) : ((1 << (bit)) >> 8))
40 namespace std
_GLIBCXX_VISIBILITY(default)
42 _GLIBCXX_BEGIN_NAMESPACE_VERSION
44 // NB: The other ctype<char> specializations are in src/locale.cc and
45 // various /config/os/* files.
46 ctype_byname
<char>::ctype_byname(const char* __s
, size_t __refs
)
47 : ctype
<char>(0, false, __refs
)
49 if (std::strcmp(__s
, "C") != 0 && std::strcmp(__s
, "POSIX") != 0)
51 this->_S_destroy_c_locale(this->_M_c_locale_ctype
);
52 this->_S_create_c_locale(this->_M_c_locale_ctype
, __s
);
56 ctype_byname
<char>::~ctype_byname()
59 #ifdef _GLIBCXX_USE_WCHAR_T
60 ctype
<wchar_t>::__wmask_type
61 ctype
<wchar_t>::_M_convert_to_wmask(const mask __m
) const throw()
67 __ret
= wctype_l("space", (locale_t
)_M_c_locale_ctype
);
70 __ret
= wctype_l("print", (locale_t
)_M_c_locale_ctype
);
73 __ret
= wctype_l("cntrl", (locale_t
)_M_c_locale_ctype
);
76 __ret
= wctype_l("upper", (locale_t
)_M_c_locale_ctype
);
79 __ret
= wctype_l("lower", (locale_t
)_M_c_locale_ctype
);
82 __ret
= wctype_l("alpha", (locale_t
)_M_c_locale_ctype
);
85 __ret
= wctype_l("digit", (locale_t
)_M_c_locale_ctype
);
88 __ret
= wctype_l("punct", (locale_t
)_M_c_locale_ctype
);
91 __ret
= wctype_l("xdigit", (locale_t
)_M_c_locale_ctype
);
94 __ret
= wctype_l("alnum", (locale_t
)_M_c_locale_ctype
);
97 __ret
= wctype_l("graph", (locale_t
)_M_c_locale_ctype
);
100 __ret
= wctype_l("blank", (locale_t
)_M_c_locale_ctype
);
103 __ret
= __wmask_type();
109 ctype
<wchar_t>::do_toupper(wchar_t __c
) const
110 { return towupper_l(__c
, (locale_t
)_M_c_locale_ctype
); }
113 ctype
<wchar_t>::do_toupper(wchar_t* __lo
, const wchar_t* __hi
) const
117 *__lo
= towupper_l(*__lo
, (locale_t
)_M_c_locale_ctype
);
124 ctype
<wchar_t>::do_tolower(wchar_t __c
) const
125 { return towlower_l(__c
, (locale_t
)_M_c_locale_ctype
); }
128 ctype
<wchar_t>::do_tolower(wchar_t* __lo
, const wchar_t* __hi
) const
132 *__lo
= towlower_l(*__lo
, (locale_t
)_M_c_locale_ctype
);
140 do_widen(char __c
) const
141 { return _M_widen
[static_cast<unsigned char>(__c
)]; }
145 do_widen(const char* __lo
, const char* __hi
, wchar_t* __dest
) const
149 *__dest
= _M_widen
[static_cast<unsigned char>(*__lo
)];
158 do_narrow(wchar_t __wc
, char __dfault
) const
160 if (__wc
>= 0 && __wc
< 128 && _M_narrow_ok
)
161 return _M_narrow
[__wc
];
162 __c_locale __old
= (__c_locale
)uselocale((locale_t
)_M_c_locale_ctype
);
163 const int __c
= wctob(__wc
);
164 uselocale((locale_t
)__old
);
165 return (__c
== EOF
? __dfault
: static_cast<char>(__c
));
170 do_narrow(const wchar_t* __lo
, const wchar_t* __hi
, char __dfault
,
173 __c_locale __old
= (__c_locale
)uselocale((locale_t
)_M_c_locale_ctype
);
177 if (*__lo
>= 0 && *__lo
< 128)
178 *__dest
= _M_narrow
[*__lo
];
181 const int __c
= wctob(*__lo
);
182 *__dest
= (__c
== EOF
? __dfault
: static_cast<char>(__c
));
190 const int __c
= wctob(*__lo
);
191 *__dest
= (__c
== EOF
? __dfault
: static_cast<char>(__c
));
195 uselocale((locale_t
)__old
);
200 ctype
<wchar_t>::_M_initialize_ctype() throw()
202 __c_locale __old
= (__c_locale
)uselocale((locale_t
)_M_c_locale_ctype
);
204 for (__i
= 0; __i
< 128; ++__i
)
206 const int __c
= wctob(__i
);
210 _M_narrow
[__i
] = static_cast<char>(__c
);
215 _M_narrow_ok
= false;
217 __j
< sizeof(_M_widen
) / sizeof(wint_t); ++__j
)
218 _M_widen
[__j
] = btowc(__j
);
220 for (size_t __k
= 0; __k
<= 11; ++__k
)
222 _M_bit
[__k
] = static_cast<mask
>(_ISbit(__k
));
223 _M_wmask
[__k
] = _M_convert_to_wmask(_M_bit
[__k
]);
225 uselocale((locale_t
)__old
);
227 #endif // _GLIBCXX_USE_WCHAR_T
229 _GLIBCXX_END_NAMESPACE_VERSION