149 lines
4.4 KiB
C++
149 lines
4.4 KiB
C++
// Copyright (C) 2000, 2002, 2004, 2005, 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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// Written by Benjamin Kosnik <bkoz@redhat.com>
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#include <locale>
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_GLIBCXX_BEGIN_NAMESPACE(std)
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// Definitions for locale::id of standard facets that are specialized.
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locale::id codecvt<char, char, mbstate_t>::id;
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#ifdef _GLIBCXX_USE_WCHAR_T
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locale::id codecvt<wchar_t, char, mbstate_t>::id;
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#endif
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codecvt<char, char, mbstate_t>::
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codecvt(size_t __refs)
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: __codecvt_abstract_base<char, char, mbstate_t>(__refs),
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_M_c_locale_codecvt(_S_get_c_locale())
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{ }
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codecvt<char, char, mbstate_t>::
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codecvt(__c_locale __cloc, size_t __refs)
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: __codecvt_abstract_base<char, char, mbstate_t>(__refs),
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_M_c_locale_codecvt(_S_clone_c_locale(__cloc))
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{ }
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codecvt<char, char, mbstate_t>::
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~codecvt()
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{ _S_destroy_c_locale(_M_c_locale_codecvt); }
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codecvt_base::result
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codecvt<char, char, mbstate_t>::
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do_out(state_type&, const intern_type* __from,
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const intern_type*, const intern_type*& __from_next,
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extern_type* __to, extern_type*,
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extern_type*& __to_next) const
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// According to the resolution of DR19, "If returns noconv [...]
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// there are no changes to the values in [to, to_limit)."
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__from_next = __from;
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__to_next = __to;
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return noconv;
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}
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codecvt_base::result
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codecvt<char, char, mbstate_t>::
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do_unshift(state_type&, extern_type* __to,
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extern_type*, extern_type*& __to_next) const
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{
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__to_next = __to;
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return noconv;
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}
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codecvt_base::result
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codecvt<char, char, mbstate_t>::
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do_in(state_type&, const extern_type* __from,
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const extern_type*, const extern_type*& __from_next,
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intern_type* __to, intern_type*, intern_type*& __to_next) const
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// According to the resolution of DR19, "If returns noconv [...]
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// there are no changes to the values in [to, to_limit)."
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__from_next = __from;
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__to_next = __to;
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return noconv;
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}
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int
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codecvt<char, char, mbstate_t>::
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do_encoding() const throw()
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{ return 1; }
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bool
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codecvt<char, char, mbstate_t>::
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do_always_noconv() const throw()
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{ return true; }
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int
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codecvt<char, char, mbstate_t>::
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do_length (state_type&, const extern_type* __from,
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const extern_type* __end, size_t __max) const
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{
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size_t __d = static_cast<size_t>(__end - __from);
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return std::min(__max, __d);
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}
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int
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codecvt<char, char, mbstate_t>::
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do_max_length() const throw()
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{ return 1; }
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#ifdef _GLIBCXX_USE_WCHAR_T
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// codecvt<wchar_t, char, mbstate_t> required specialization
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codecvt<wchar_t, char, mbstate_t>::
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codecvt(size_t __refs)
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: __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs),
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_M_c_locale_codecvt(_S_get_c_locale())
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{ }
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codecvt<wchar_t, char, mbstate_t>::
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codecvt(__c_locale __cloc, size_t __refs)
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: __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs),
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_M_c_locale_codecvt(_S_clone_c_locale(__cloc))
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{ }
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codecvt<wchar_t, char, mbstate_t>::
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~codecvt()
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{ _S_destroy_c_locale(_M_c_locale_codecvt); }
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codecvt_base::result
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codecvt<wchar_t, char, mbstate_t>::
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do_unshift(state_type&, extern_type* __to,
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extern_type*, extern_type*& __to_next) const
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{
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// XXX Probably wrong for stateful encodings
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__to_next = __to;
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return noconv;
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}
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bool
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codecvt<wchar_t, char, mbstate_t>::
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do_always_noconv() const throw()
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{ return false; }
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#endif // _GLIBCXX_USE_WCHAR_T
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_GLIBCXX_END_NAMESPACE
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