-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005,
+// 2006, 2007, 2008, 2009
// 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/>.
#include <locale>
+#include <cstdlib>
+#include <cstring>
-namespace std
-{
- // XXX At some point, just rename this file to ctype_members_char.cc
- // and compile it as a separate file instead of including it here.
- // Platform-specific initialization code for ctype tables.
- #include <bits/ctype_noninline.h>
-
- // Definitions for locale::id of standard facets that are specialized.
- locale::id ctype<char>::id;
-
-#ifdef _GLIBCPP_USE_WCHAR_T
- locale::id ctype<wchar_t>::id;
-#endif
-
- template<>
- const ctype<char>&
- use_facet<ctype<char> >(const locale& __loc)
- {
- size_t __i = ctype<char>::id._M_id();
- const locale::_Impl* __tmp = __loc._M_impl;
- return static_cast<const ctype<char>&>(*(__tmp->_M_facets[__i]));
- }
-
-#ifdef _GLIBCPP_USE_WCHAR_T
- template<>
- const ctype<wchar_t>&
- use_facet<ctype<wchar_t> >(const locale& __loc)
- {
- size_t __i = ctype<wchar_t>::id._M_id();
- const locale::_Impl* __tmp = __loc._M_impl;
- return static_cast<const ctype<wchar_t>&>(*(__tmp->_M_facets[__i]));
- }
-#endif
+_GLIBCXX_BEGIN_NAMESPACE(std)
// Definitions for static const data members of ctype_base.
const ctype_base::mask ctype_base::space;
const ctype_base::mask ctype_base::alnum;
const ctype_base::mask ctype_base::graph;
+ // Definitions for locale::id of standard facets that are specialized.
+ locale::id ctype<char>::id;
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+ locale::id ctype<wchar_t>::id;
+#endif
+
+ // XXX At some point, just rename this file to ctype_configure_char.cc
+ // and compile it as a separate file instead of including it here.
+ // Platform-specific initialization code for ctype tables.
+#include <bits/ctype_noninline.h>
+
const size_t ctype<char>::table_size;
ctype<char>::~ctype()
delete[] this->table();
}
- // These are dummy placeholders as these virtual functions are never called.
- bool
- ctype<char>::do_is(mask, char_type) const
- { return false; }
-
- const char*
- ctype<char>::do_is(const char_type* __c, const char_type*, mask*) const
- { return __c; }
-
- const char*
- ctype<char>::do_scan_is(mask, const char_type* __c, const char_type*) const
- { return __c; }
-
- const char*
- ctype<char>::do_scan_not(mask, const char_type* __c, const char_type*) const
- { return __c; }
-
- char
- ctype<char>::do_widen(char __c) const
- { return __c; }
-
- const char*
- ctype<char>::do_widen(const char* __lo, const char* __hi, char* __dest) const
+ // Fill in the narrowing cache and flag whether all values are
+ // valid or not. _M_narrow_ok is set to 2 if memcpy can't
+ // be used.
+ void
+ ctype<char>::
+ _M_narrow_init() const
{
- memcpy(__dest, __lo, __hi - __lo);
- return __hi;
+ char __tmp[sizeof(_M_narrow)];
+ for (size_t __i = 0; __i < sizeof(_M_narrow); ++__i)
+ __tmp[__i] = __i;
+ do_narrow(__tmp, __tmp + sizeof(__tmp), 0, _M_narrow);
+
+ _M_narrow_ok = 1;
+ if (__builtin_memcmp(__tmp, _M_narrow, sizeof(_M_narrow)))
+ _M_narrow_ok = 2;
+ else
+ {
+ // Deal with the special case of zero: renarrow with a
+ // different default and compare.
+ char __c;
+ do_narrow(__tmp, __tmp + 1, 1, &__c);
+ if (__c == 1)
+ _M_narrow_ok = 2;
+ }
}
-
- char
- ctype<char>::do_narrow(char __c, char /*__dfault*/) const
- { return __c; }
-
- const char*
- ctype<char>::do_narrow(const char* __lo, const char* __hi,
- char /*__dfault*/, char* __dest) const
+
+ void
+ ctype<char>::
+ _M_widen_init() const
{
- memcpy(__dest, __lo, __hi - __lo);
- return __hi;
+ char __tmp[sizeof(_M_widen)];
+ for (size_t __i = 0; __i < sizeof(_M_widen); ++__i)
+ __tmp[__i] = __i;
+ do_widen(__tmp, __tmp + sizeof(__tmp), _M_widen);
+
+ _M_widen_ok = 1;
+ // Set _M_widen_ok to 2 if memcpy can't be used.
+ if (__builtin_memcmp(__tmp, _M_widen, sizeof(_M_widen)))
+ _M_widen_ok = 2;
}
-#ifdef _GLIBCPP_USE_WCHAR_T
+#ifdef _GLIBCXX_USE_WCHAR_T
ctype<wchar_t>::ctype(size_t __refs)
- : __ctype_abstract_base<wchar_t>(__refs)
- { _M_c_locale_ctype = _S_c_locale; }
+ : __ctype_abstract_base<wchar_t>(__refs),
+ _M_c_locale_ctype(_S_get_c_locale()), _M_narrow_ok(false)
+ { _M_initialize_ctype(); }
ctype<wchar_t>::ctype(__c_locale __cloc, size_t __refs)
- : __ctype_abstract_base<wchar_t>(__refs)
- { _M_c_locale_ctype = _S_clone_c_locale(__cloc); }
+ : __ctype_abstract_base<wchar_t>(__refs),
+ _M_c_locale_ctype(_S_clone_c_locale(__cloc)), _M_narrow_ok(false)
+ { _M_initialize_ctype(); }
ctype<wchar_t>::~ctype()
{ _S_destroy_c_locale(_M_c_locale_ctype); }
- template<>
- ctype_byname<wchar_t>::ctype_byname(const char* __s, size_t __refs)
- : ctype<wchar_t>(__refs)
- {
- _S_destroy_c_locale(_M_c_locale_ctype);
- _S_create_c_locale(_M_c_locale_ctype, __s);
- }
+ ctype_byname<wchar_t>::ctype_byname(const char* __s, size_t __refs)
+ : ctype<wchar_t>(__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_initialize_ctype();
+ }
+ }
+
+ ctype_byname<wchar_t>::~ctype_byname()
+ { }
+
#endif
-} // namespace std
+_GLIBCXX_END_NAMESPACE