// std::ctype implementation details, GNU version -*- C++ -*-
-// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2001-2024 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 <cstdio>
#include <bits/c++locale_internal.h>
-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)
- {
- 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);
- this->_M_toupper = this->_M_c_locale_ctype->__ctype_toupper;
- this->_M_tolower = this->_M_c_locale_ctype->__ctype_tolower;
- this->_M_table = this->_M_c_locale_ctype->__ctype_b;
- }
- }
+ 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);
+ this->_M_toupper = this->_M_c_locale_ctype->__ctype_toupper;
+ this->_M_tolower = this->_M_c_locale_ctype->__ctype_tolower;
+ this->_M_table = this->_M_c_locale_ctype->__ctype_b;
+ }
+ }
+
+ ctype_byname<char>::~ctype_byname()
+ { }
-#ifdef _GLIBCXX_USE_WCHAR_T
+#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)
case graph:
__ret = __wctype_l("graph", _M_c_locale_ctype);
break;
+ case blank:
+ __ret = __wctype_l("blank", _M_c_locale_ctype);
+ break;
default:
- __ret = 0;
+ __ret = __wmask_type();
}
return __ret;
}
-
+
wchar_t
ctype<wchar_t>::do_toupper(wchar_t __c) const
{ return __towupper_l(__c, _M_c_locale_ctype); }
}
return __hi;
}
-
+
wchar_t
ctype<wchar_t>::do_tolower(wchar_t __c) const
{ return __towlower_l(__c, _M_c_locale_ctype); }
-
+
const wchar_t*
ctype<wchar_t>::do_tolower(wchar_t* __lo, const wchar_t* __hi) const
{
bool
ctype<wchar_t>::
do_is(mask __m, wchar_t __c) const
- {
- // Highest bitmask in ctype_base == 10, but extra in "C"
- // library for blank.
+ {
+ // The case of __m == ctype_base::space is particularly important,
+ // due to its use in many istream functions. Therefore we deal with
+ // it first, exploiting the knowledge that on GNU systems _M_bit[5]
+ // is the mask corresponding to ctype_base::space. NB: an encoding
+ // change would not affect correctness!
bool __ret = false;
- const size_t __bitmasksize = 11;
- for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
- if (__m & _M_bit[__bitcur]
- && __iswctype_l(__c, _M_wmask[__bitcur], _M_c_locale_ctype))
- {
- __ret = true;
- break;
- }
- return __ret;
+ if (__m == _M_bit[5])
+ __ret = __iswctype_l(__c, _M_wmask[5], _M_c_locale_ctype);
+ else
+ {
+ // Highest bitmask in ctype_base == 11
+ const size_t __bitmasksize = 11;
+ for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
+ if (__m & _M_bit[__bitcur])
+ {
+ if (__iswctype_l(__c, _M_wmask[__bitcur], _M_c_locale_ctype))
+ {
+ __ret = true;
+ break;
+ }
+ else if (__m == _M_bit[__bitcur])
+ break;
+ }
+ }
+ return __ret;
}
-
- const wchar_t*
+
+ const wchar_t*
ctype<wchar_t>::
do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
{
for (; __lo < __hi; ++__vec, ++__lo)
{
- // Highest bitmask in ctype_base == 10, but extra in "C"
- // library for blank.
- const size_t __bitmasksize = 11;
+ // Highest bitmask in ctype_base == 11
+ const size_t __bitmasksize = 11;
mask __m = 0;
for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
if (__iswctype_l(*__lo, _M_wmask[__bitcur], _M_c_locale_ctype))
}
return __hi;
}
-
- const wchar_t*
+
+ const wchar_t*
ctype<wchar_t>::
do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
{
do_widen(char __c) const
{ return _M_widen[static_cast<unsigned char>(__c)]; }
- const char*
+ const char*
ctype<wchar_t>::
do_widen(const char* __lo, const char* __hi, wchar_t* __dest) const
{
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__uselocale(__old);
#endif
- return (__c == EOF ? __dfault : static_cast<char>(__c));
+ return (__c == EOF ? __dfault : static_cast<char>(__c));
}
const wchar_t*
ctype<wchar_t>::
- do_narrow(const wchar_t* __lo, const wchar_t* __hi, char __dfault,
+ do_narrow(const wchar_t* __lo, const wchar_t* __hi, char __dfault,
char* __dest) const
{
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
}
void
- ctype<wchar_t>::_M_initialize_ctype()
+ ctype<wchar_t>::_M_initialize_ctype() throw()
{
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__c_locale __old = __uselocale(_M_c_locale_ctype);
_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 __j = 0;
+ __j < sizeof(_M_widen) / sizeof(wint_t); ++__j)
+ _M_widen[__j] = btowc(__j);
- for (size_t __i = 0; __i <= 11; ++__i)
- {
- _M_bit[__i] = static_cast<mask>(_ISbit(__i));
- _M_wmask[__i] = _M_convert_to_wmask(_M_bit[__i]);
+ for (size_t __k = 0; __k <= 11; ++__k)
+ {
+ _M_bit[__k] = static_cast<mask>(_ISbit(__k));
+ _M_wmask[__k] = _M_convert_to_wmask(_M_bit[__k]);
}
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__uselocale(__old);
#endif
}
#endif // _GLIBCXX_USE_WCHAR_T
-}
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
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