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// Locale support -*- C++ -*-

// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003

// 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)

// 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.

// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// 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.

//

// ISO C++ 14882: 22.1  Locales

//

/** @file localefwd.h

 *  This is an internal header file, included by other library headers.

 *  You should not attempt to use it directly.

 */

#ifndef _LOCALE_FWD_H

#define _LOCALE_FWD_H 1

#pragma GCC system_header

#include <bits/c++config.h>

#include <bits/c++locale.h>     // Defines __c_locale, config-specific includes

#include <iosfwd>               // For ostreambuf_iterator, istreambuf_iterator

#include <bits/functexcept.h>

namespace std

{

  // 22.1.1 Locale

  class locale;

  // 22.1.3 Convenience interfaces

  template<typename _CharT>

    inline bool

    isspace(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    isprint(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    iscntrl(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    isupper(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    islower(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    isalpha(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    isdigit(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    ispunct(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    isxdigit(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    isalnum(_CharT, const locale&);

  template<typename _CharT>

    inline bool

    isgraph(_CharT, const locale&);

  template<typename _CharT>

    inline _CharT

    toupper(_CharT, const locale&);

  template<typename _CharT>

    inline _CharT

    tolower(_CharT, const locale&);

  // 22.2.1 and 22.2.1.3 ctype

  class ctype_base;

  template<typename _CharT>

    class ctype;

  template<> class ctype<char>;

#ifdef _GLIBCXX_USE_WCHAR_T

  template<> class ctype<wchar_t>;

#endif

  template<typename _CharT>

    class ctype_byname;

  // NB: Specialized for char and wchar_t in locale_facets.h.

  class codecvt_base;

  class __enc_traits;

  template<typename _InternT, typename _ExternT, typename _StateT>

    class codecvt;

  template<> class codecvt<char, char, mbstate_t>;

#ifdef _GLIBCXX_USE_WCHAR_T

  template<> class codecvt<wchar_t, char, mbstate_t>;

#endif

  template<typename _InternT, typename _ExternT, typename _StateT>

    class codecvt_byname;

  // 22.2.2 and 22.2.3 numeric

  template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >

    class num_get;

  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >

    class num_put;

  template<typename _CharT> class numpunct;

  template<typename _CharT> class numpunct_byname;

  // 22.2.4 collation

  template<typename _CharT>

    class collate;

  template<typename _CharT> class

    collate_byname;

  // 22.2.5 date and time

  class time_base;

  template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >

    class time_get;

  template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >

    class time_get_byname;

  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >

    class time_put;

  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >

    class time_put_byname;

  // 22.2.6 money

  class money_base;

  template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >

    class money_get;

  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >

    class money_put;

  template<typename _CharT, bool _Intl = false>

    class moneypunct;

  template<typename _CharT, bool _Intl = false>

    class moneypunct_byname;

  // 22.2.7 message retrieval

  class messages_base;

  template<typename _CharT>

    class messages;

  template<typename _CharT>

    class messages_byname;

  template<typename _Facet>

    bool

    has_facet(const locale& __loc) throw();

  template<typename _Facet>

    const _Facet&

    use_facet(const locale& __loc);

  template<typename _Facet>

    inline const _Facet&

    __check_facet(const _Facet* __f)

    {

      if (!__f)

        __throw_bad_cast();

      return *__f;

    }

} // namespace std

#endif