// std::ctype implementation details, generic version -*- C++ -*-
-// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001-2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
//
// ISO C++ 14882: 22.2.1.1.2 ctype virtual functions.
// Written by Benjamin Kosnik <bkoz@redhat.com>
#include <locale>
+#include <cstdlib>
+#include <cstring>
+#include <cstdio>
-namespace std
+namespace std _GLIBCXX_VISIBILITY(default)
{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
// NB: The other ctype<char> specializations are in src/locale.cc and
// various /config/os/* files.
- template<>
- ctype_byname<char>::ctype_byname(const char* __s, size_t __refs)
- : ctype<char>(0, false, __refs)
- {
- _S_destroy_c_locale(_M_c_locale_ctype);
- _S_create_c_locale(_M_c_locale_ctype, __s);
- }
+ ctype_byname<char>::ctype_byname(const char* __s, size_t __refs)
+ : ctype<char>(0, false, __refs)
+ {
+ if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
+ {
+ this->_S_destroy_c_locale(this->_M_c_locale_ctype);
+ this->_S_create_c_locale(this->_M_c_locale_ctype, __s);
+ }
+ }
+
+ ctype_byname<char>::~ctype_byname()
+ { }
#ifdef _GLIBCXX_USE_WCHAR_T
ctype<wchar_t>::__wmask_type
- ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const
+ ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const throw()
{
__wmask_type __ret;
switch (__m)
__ret = wctype("graph");
break;
default:
- __ret = 0;
+ __ret = __wmask_type();
}
return __ret;
};
do_is(mask __m, char_type __c) const
{
bool __ret = false;
- const size_t __bitmasksize = 10;
+ // Generically, 15 (instead of 10) since we don't know the numerical
+ // encoding of the various categories in /usr/include/ctype.h.
+ const size_t __bitmasksize = 15;
for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
- {
- const mask __bit = static_cast<mask>(1 << __bitcur);
- if (__m & __bit)
- __ret |= iswctype(__c, _M_convert_to_wmask(__bit));
- }
+ if (__m & _M_bit[__bitcur]
+ && iswctype(__c, _M_wmask[__bitcur]))
+ {
+ __ret = true;
+ break;
+ }
return __ret;
}
{
for (;__lo < __hi; ++__vec, ++__lo)
{
- const size_t __bitmasksize = 10;
+ // Generically, 15 (instead of 10) since we don't know the numerical
+ // encoding of the various categories in /usr/include/ctype.h.
+ const size_t __bitmasksize = 15;
mask __m = 0;
for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
- {
- const mask __bit = static_cast<mask>(1 << __bitcur);
- if (iswctype(*__lo, _M_convert_to_wmask(__bit)))
- __m |= __bit;
- }
+ if (iswctype(*__lo, _M_wmask[__bitcur]))
+ __m |= _M_bit[__bitcur];
*__vec = __m;
}
return __hi;
wchar_t
ctype<wchar_t>::
do_widen(char __c) const
- { return btowc(static_cast<unsigned char>(__c)); }
+ { return _M_widen[static_cast<unsigned char>(__c)]; }
const char*
ctype<wchar_t>::
{
while (__lo < __hi)
{
- *__dest = btowc(static_cast<unsigned char>(*__lo));
+ *__dest = _M_widen[static_cast<unsigned char>(*__lo)];
++__lo;
++__dest;
}
ctype<wchar_t>::
do_narrow(wchar_t __wc, char __dfault) const
{
- int __c = wctob(__wc);
+ if (__wc >= 0 && __wc < 128 && _M_narrow_ok)
+ return _M_narrow[__wc];
+ const int __c = wctob(__wc);
return (__c == EOF ? __dfault : static_cast<char>(__c));
}
do_narrow(const wchar_t* __lo, const wchar_t* __hi, char __dfault,
char* __dest) const
{
- while (__lo < __hi)
+ if (_M_narrow_ok)
+ while (__lo < __hi)
+ {
+ if (*__lo >= 0 && *__lo < 128)
+ *__dest = _M_narrow[*__lo];
+ else
+ {
+ const int __c = wctob(*__lo);
+ *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
+ }
+ ++__lo;
+ ++__dest;
+ }
+ else
+ while (__lo < __hi)
+ {
+ const int __c = wctob(*__lo);
+ *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
+ ++__lo;
+ ++__dest;
+ }
+ return __hi;
+ }
+
+ void
+ ctype<wchar_t>::_M_initialize_ctype() throw()
+ {
+ wint_t __i;
+ for (__i = 0; __i < 128; ++__i)
{
- int __c = wctob(*__lo);
- *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
- ++__lo;
- ++__dest;
+ const int __c = wctob(__i);
+ if (__c == EOF)
+ break;
+ else
+ _M_narrow[__i] = static_cast<char>(__c);
}
- return __hi;
+ if (__i == 128)
+ _M_narrow_ok = true;
+ else
+ _M_narrow_ok = false;
+ for (size_t __i = 0;
+ __i < sizeof(_M_widen) / sizeof(wint_t); ++__i)
+ _M_widen[__i] = btowc(__i);
+
+ for (size_t __i = 0; __i <= 15; ++__i)
+ {
+ _M_bit[__i] = static_cast<mask>(1 << __i);
+ _M_wmask[__i] = _M_convert_to_wmask(_M_bit[__i]);
+ }
}
#endif // _GLIBCXX_USE_WCHAR_T
-}
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
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