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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