// Locale support (codecvt) -*- C++ -*-
-// Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2000-2014 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/>.
+
+/** @file bits/codecvt.h
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{locale}
+ */
//
// ISO C++ 14882: 22.2.1.5 Template class codecvt
//
-// Written by Benjamin Kosnik <bkoz@cygnus.com>
-
-/** @file codecvt.h
- * This is an internal header file, included by other library headers.
- * You should not attempt to use it directly.
- */
+// Written by Benjamin Kosnik <bkoz@redhat.com>
#ifndef _CODECVT_H
#define _CODECVT_H 1
#pragma GCC system_header
- // 22.2.1.5 Template class codecvt
- /// Base class for codecvt facet providing conversion result enum.
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ /// Empty base class for codecvt facet [22.2.1.5].
class codecvt_base
{
public:
};
};
- // Template class __codecvt_abstract_base
- // NB: An abstract base class that fills in the public inlines, so
- // that the specializations don't have to re-copy the public
- // interface.
/**
- * @brief Common base for codecvt facet
+ * @brief Common base for codecvt functions.
*
* This template class provides implementations of the public functions
* that forward to the protected virtual functions.
* respectively. If the result needed no conversion, from_next and
* to_next are not affected.
*
- * The @a state argument should be intialized if the input is at the
+ * The @a state argument should be initialized if the input is at the
* beginning and carried from a previous call if continuing
* conversion. There are no guarantees about how @a state is used.
*
- * The result returned is a member of codecvt_base::result. If all the
- * input is converted, returns codecvt_base::ok. If no conversion is
- * necessary, returns codecvt_base::noconv. If the input ends early or
- * there is insufficient space in the output, returns codecvt_base::partial.
- * Otherwise the conversion failed and codecvt_base::error is returned.
+ * The result returned is a member of codecvt_base::result. If
+ * all the input is converted, returns codecvt_base::ok. If no
+ * conversion is necessary, returns codecvt_base::noconv. If
+ * the input ends early or there is insufficient space in the
+ * output, returns codecvt_base::partial. Otherwise the
+ * conversion failed and codecvt_base::error is returned.
*
- * @param state Persistent conversion state data.
- * @param from Start of input.
- * @param from_end End of input.
- * @param from_next Returns start of unconverted data.
- * @param to Start of output buffer.
- * @param to_end End of output buffer.
- * @param to_next Returns start of unused output area.
+ * @param __state Persistent conversion state data.
+ * @param __from Start of input.
+ * @param __from_end End of input.
+ * @param __from_next Returns start of unconverted data.
+ * @param __to Start of output buffer.
+ * @param __to_end End of output buffer.
+ * @param __to_next Returns start of unused output area.
* @return codecvt_base::result.
*/
result
* output has insufficient space, returns codecvt_base::partial.
* Otherwise the reset failed and codecvt_base::error is returned.
*
- * @param state Persistent conversion state data.
- * @param to Start of output buffer.
- * @param to_end End of output buffer.
- * @param to_next Returns start of unused output area.
+ * @param __state Persistent conversion state data.
+ * @param __to Start of output buffer.
+ * @param __to_end End of output buffer.
+ * @param __to_next Returns start of unused output area.
* @return codecvt_base::result.
*/
result
* respectively. If the result needed no conversion, from_next and
* to_next are not affected.
*
- * The @a state argument should be intialized if the input is at the
+ * The @a state argument should be initialized if the input is at the
* beginning and carried from a previous call if continuing
* conversion. There are no guarantees about how @a state is used.
*
- * The result returned is a member of codecvt_base::result. If all the
- * input is converted, returns codecvt_base::ok. If no conversion is
- * necessary, returns codecvt_base::noconv. If the input ends early or
- * there is insufficient space in the output, returns codecvt_base::partial.
- * Otherwise the conversion failed and codecvt_base::error is returned.
+ * The result returned is a member of codecvt_base::result. If
+ * all the input is converted, returns codecvt_base::ok. If no
+ * conversion is necessary, returns codecvt_base::noconv. If
+ * the input ends early or there is insufficient space in the
+ * output, returns codecvt_base::partial. Otherwise the
+ * conversion failed and codecvt_base::error is returned.
*
- * @param state Persistent conversion state data.
- * @param from Start of input.
- * @param from_end End of input.
- * @param from_next Returns start of unconverted data.
- * @param to Start of output buffer.
- * @param to_end End of output buffer.
- * @param to_next Returns start of unused output area.
+ * @param __state Persistent conversion state data.
+ * @param __from Start of input.
+ * @param __from_end End of input.
+ * @param __from_next Returns start of unconverted data.
+ * @param __to Start of output buffer.
+ * @param __to_end End of output buffer.
+ * @param __to_next Returns start of unused output area.
* @return codecvt_base::result.
*/
result
do_max_length() const throw() = 0;
};
- // 22.2.1.5 Template class codecvt
- // NB: Generic, mostly useless implementation.
- template<typename _InternT, typename _ExternT, typename _StateT>
+
+
+ /**
+ * @brief Primary class template codecvt.
+ * @ingroup locales
+ *
+ * NB: Generic, mostly useless implementation.
+ *
+ */
+ template<typename _InternT, typename _ExternT, typename _StateT>
class codecvt
: public __codecvt_abstract_base<_InternT, _ExternT, _StateT>
{
explicit
codecvt(size_t __refs = 0)
- : __codecvt_abstract_base<_InternT, _ExternT, _StateT> (__refs) { }
+ : __codecvt_abstract_base<_InternT, _ExternT, _StateT> (__refs),
+ _M_c_locale_codecvt(0)
+ { }
explicit
codecvt(__c_locale __cloc, size_t __refs = 0);
template<typename _InternT, typename _ExternT, typename _StateT>
locale::id codecvt<_InternT, _ExternT, _StateT>::id;
- // codecvt<char, char, mbstate_t> required specialization
+ /// class codecvt<char, char, mbstate_t> specialization.
template<>
class codecvt<char, char, mbstate_t>
: public __codecvt_abstract_base<char, char, mbstate_t>
};
#ifdef _GLIBCXX_USE_WCHAR_T
- // codecvt<wchar_t, char, mbstate_t> required specialization
+ /// class codecvt<wchar_t, char, mbstate_t> specialization.
template<>
class codecvt<wchar_t, char, mbstate_t>
: public __codecvt_abstract_base<wchar_t, char, mbstate_t>
};
#endif //_GLIBCXX_USE_WCHAR_T
- // 22.2.1.6 Template class codecvt_byname
+ /// class codecvt_byname [22.2.1.6].
template<typename _InternT, typename _ExternT, typename _StateT>
class codecvt_byname : public codecvt<_InternT, _ExternT, _StateT>
{
codecvt_byname(const char* __s, size_t __refs = 0)
: codecvt<_InternT, _ExternT, _StateT>(__refs)
{
- if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
+ if (__builtin_strcmp(__s, "C") != 0
+ && __builtin_strcmp(__s, "POSIX") != 0)
{
- _S_destroy_c_locale(this->_M_c_locale_codecvt);
- _S_create_c_locale(this->_M_c_locale_codecvt, __s);
+ this->_S_destroy_c_locale(this->_M_c_locale_codecvt);
+ this->_S_create_c_locale(this->_M_c_locale_codecvt, __s);
}
}
~codecvt_byname() { }
};
- // Include host and configuration specific partial specializations
- // with additional functionality, if possible.
+ // Inhibit implicit instantiations for required instantiations,
+ // which are defined via explicit instantiations elsewhere.
+#if _GLIBCXX_EXTERN_TEMPLATE
+ extern template class codecvt_byname<char, char, mbstate_t>;
+
+ extern template
+ const codecvt<char, char, mbstate_t>&
+ use_facet<codecvt<char, char, mbstate_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<codecvt<char, char, mbstate_t> >(const locale&);
+
#ifdef _GLIBCXX_USE_WCHAR_T
- #include <bits/codecvt_specializations.h>
+ extern template class codecvt_byname<wchar_t, char, mbstate_t>;
+
+ extern template
+ const codecvt<wchar_t, char, mbstate_t>&
+ use_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
#endif
+#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
#endif // _CODECVT_H
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