blob: 6afd6638825ef6a5dd4620043c2564b2b1ca2273 [file] [log] [blame]
// Copyright (C) 2000-2022 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 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// 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.
// 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/>.
// Written by Benjamin Kosnik <bkoz@redhat.com>
#include <locale>
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
// Definitions for locale::id of standard facets that are specialized.
locale::id codecvt<char, char, mbstate_t>::id;
#ifdef _GLIBCXX_USE_WCHAR_T
locale::id codecvt<wchar_t, char, mbstate_t>::id;
#endif
codecvt<char, char, mbstate_t>::
codecvt(size_t __refs)
: __codecvt_abstract_base<char, char, mbstate_t>(__refs),
_M_c_locale_codecvt(_S_get_c_locale())
{ }
codecvt<char, char, mbstate_t>::
codecvt(__c_locale __cloc, size_t __refs)
: __codecvt_abstract_base<char, char, mbstate_t>(__refs),
_M_c_locale_codecvt(_S_clone_c_locale(__cloc))
{ }
codecvt<char, char, mbstate_t>::
~codecvt()
{ _S_destroy_c_locale(_M_c_locale_codecvt); }
codecvt_base::result
codecvt<char, char, mbstate_t>::
do_out(state_type&, const intern_type* __from,
const intern_type*, const intern_type*& __from_next,
extern_type* __to, extern_type*,
extern_type*& __to_next) const
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// According to the resolution of DR19, "If returns noconv [...]
// there are no changes to the values in [to, to_limit)."
__from_next = __from;
__to_next = __to;
return noconv;
}
codecvt_base::result
codecvt<char, char, mbstate_t>::
do_unshift(state_type&, extern_type* __to,
extern_type*, extern_type*& __to_next) const
{
__to_next = __to;
return noconv;
}
codecvt_base::result
codecvt<char, char, mbstate_t>::
do_in(state_type&, const extern_type* __from,
const extern_type*, const extern_type*& __from_next,
intern_type* __to, intern_type*, intern_type*& __to_next) const
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// According to the resolution of DR19, "If returns noconv [...]
// there are no changes to the values in [to, to_limit)."
__from_next = __from;
__to_next = __to;
return noconv;
}
int
codecvt<char, char, mbstate_t>::
do_encoding() const throw()
{ return 1; }
bool
codecvt<char, char, mbstate_t>::
do_always_noconv() const throw()
{ return true; }
int
codecvt<char, char, mbstate_t>::
do_length (state_type&, const extern_type* __from,
const extern_type* __end, size_t __max) const
{
size_t __d = static_cast<size_t>(__end - __from);
return std::min(__max, __d);
}
int
codecvt<char, char, mbstate_t>::
do_max_length() const throw()
{ return 1; }
#ifdef _GLIBCXX_USE_WCHAR_T
// codecvt<wchar_t, char, mbstate_t> required specialization
codecvt<wchar_t, char, mbstate_t>::
codecvt(size_t __refs)
: __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs),
_M_c_locale_codecvt(_S_get_c_locale())
{ }
codecvt<wchar_t, char, mbstate_t>::
codecvt(__c_locale __cloc, size_t __refs)
: __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs),
_M_c_locale_codecvt(_S_clone_c_locale(__cloc))
{ }
codecvt<wchar_t, char, mbstate_t>::
~codecvt()
{ _S_destroy_c_locale(_M_c_locale_codecvt); }
codecvt_base::result
codecvt<wchar_t, char, mbstate_t>::
do_unshift(state_type&, extern_type* __to,
extern_type*, extern_type*& __to_next) const
{
// XXX Probably wrong for stateful encodings
__to_next = __to;
return noconv;
}
bool
codecvt<wchar_t, char, mbstate_t>::
do_always_noconv() const throw()
{ return false; }
#endif // _GLIBCXX_USE_WCHAR_T
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace