// Standard stream manipulators -*- C++ -*-

// Copyright (C) 1997, 1998, 1999, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,

// 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: 27.6.3  Standard manipulators

//

/** @file iomanip

 *  This is a Standard C++ Library header.  You should @c #include this header

 *  in your programs, rather than any of the "st[dl]_*.h" implementation files.

 */

#ifndef _GLIBCXX_IOMANIP

#define _GLIBCXX_IOMANIP 1

#pragma GCC system_header

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

#include <istream>

#include <functional>

namespace std

{

  // [27.6.3] standard manipulators

  // Also see DR 183.

  struct _Resetiosflags { ios_base::fmtflags _M_mask; };

  /**

   *  @brief  Manipulator for @c setf.

   *  @param  mask  A format flags mask.

   *

   *  Sent to a stream object, this manipulator resets the specified flags,

   *  via @e stream.setf(0,mask).

  */

  inline _Resetiosflags 

  resetiosflags(ios_base::fmtflags __mask)

  { 

    _Resetiosflags __x; 

    __x._M_mask = __mask; 

    return __x; 

  }

  template<typename _CharT, typename _Traits>

    inline basic_istream<_CharT,_Traits>& 

    operator>>(basic_istream<_CharT,_Traits>& __is, _Resetiosflags __f)

    { 

      __is.setf(ios_base::fmtflags(0), __f._M_mask); 

      return __is; 

    }

  template<typename _CharT, typename _Traits>

    inline basic_ostream<_CharT,_Traits>& 

    operator<<(basic_ostream<_CharT,_Traits>& __os, _Resetiosflags __f)

    { 

      __os.setf(ios_base::fmtflags(0), __f._M_mask); 

      return __os; 

    }

  struct _Setiosflags { ios_base::fmtflags _M_mask; };

  /**

   *  @brief  Manipulator for @c setf.

   *  @param  mask  A format flags mask.

   *

   *  Sent to a stream object, this manipulator sets the format flags

   *  to @a mask.

  */

  inline _Setiosflags 

  setiosflags(ios_base::fmtflags __mask)

  { 

    _Setiosflags __x; 

    __x._M_mask = __mask; 

    return __x; 

  }

  template<typename _CharT, typename _Traits>

    inline basic_istream<_CharT,_Traits>& 

    operator>>(basic_istream<_CharT,_Traits>& __is, _Setiosflags __f)

    { 

      __is.setf(__f._M_mask); 

      return __is; 

    }

  template<typename _CharT, typename _Traits>

    inline basic_ostream<_CharT,_Traits>& 

    operator<<(basic_ostream<_CharT,_Traits>& __os, _Setiosflags __f)

    { 

      __os.setf(__f._M_mask); 

      return __os; 

    }

  struct _Setbase { int _M_base; };

  /**

   *  @brief  Manipulator for @c setf.

   *  @param  base  A numeric base.

   *

   *  Sent to a stream object, this manipulator changes the

   *  @c ios_base::basefield flags to @c oct, @c dec, or @c hex when @a base

   *  is 8, 10, or 16, accordingly, and to 0 if @a base is any other value.

  */

  inline _Setbase 

  setbase(int __base)

  { 

    _Setbase __x; 

    __x._M_base = __base; 

    return __x; 

  }

  template<typename _CharT, typename _Traits>

    inline basic_istream<_CharT,_Traits>& 

    operator>>(basic_istream<_CharT,_Traits>& __is, _Setbase __f)

    {

      __is.setf(__f._M_base ==  8 ? ios_base::oct : 

	      __f._M_base == 10 ? ios_base::dec : 

	      __f._M_base == 16 ? ios_base::hex : 

	      ios_base::fmtflags(0), ios_base::basefield);

      return __is; 

    }

  template<typename _CharT, typename _Traits>

    inline basic_ostream<_CharT,_Traits>& 

    operator<<(basic_ostream<_CharT,_Traits>& __os, _Setbase __f)

    {

      __os.setf(__f._M_base ==  8 ? ios_base::oct : 

		__f._M_base == 10 ? ios_base::dec : 

		__f._M_base == 16 ? ios_base::hex : 

		ios_base::fmtflags(0), ios_base::basefield);

      return __os; 

    }

  template<typename _CharT> 

    struct _Setfill { _CharT _M_c; };

  /**

   *  @brief  Manipulator for @c fill.

   *  @param  c  The new fill character.

   *

   *  Sent to a stream object, this manipulator calls @c fill(c) for that

   *  object.

  */

  template<typename _CharT> 

    inline _Setfill<_CharT> 

    setfill(_CharT __c)

    { 

      _Setfill<_CharT> __x; 

      __x._M_c = __c; 

      return __x; 

    }

  template<typename _CharT, typename _Traits>

    inline basic_istream<_CharT,_Traits>& 

    operator>>(basic_istream<_CharT,_Traits>& __is, _Setfill<_CharT> __f)

    { 

      __is.fill(__f._M_c); 

      return __is; 

    }

  template<typename _CharT, typename _Traits>

    inline basic_ostream<_CharT,_Traits>& 

    operator<<(basic_ostream<_CharT,_Traits>& __os, _Setfill<_CharT> __f)

    { 

      __os.fill(__f._M_c); 

      return __os; 

    }

  struct _Setprecision { int _M_n; };

  /**

   *  @brief  Manipulator for @c precision.

   *  @param  n  The new precision.

   *

   *  Sent to a stream object, this manipulator calls @c precision(n) for

   *  that object.

  */

  inline _Setprecision 

  setprecision(int __n)

  { 

    _Setprecision __x; 

    __x._M_n = __n; 

    return __x; 

  }

  template<typename _CharT, typename _Traits>

    inline basic_istream<_CharT,_Traits>& 

    operator>>(basic_istream<_CharT,_Traits>& __is, _Setprecision __f)

    { 

      __is.precision(__f._M_n); 

      return __is; 

    }

  template<typename _CharT, typename _Traits>

    inline basic_ostream<_CharT,_Traits>& 

    operator<<(basic_ostream<_CharT,_Traits>& __os, _Setprecision __f)

    { 

      __os.precision(__f._M_n); 

      return __os; 

    }

  struct _Setw { int _M_n; };

  /**

   *  @brief  Manipulator for @c width.

   *  @param  n  The new width.

   *

   *  Sent to a stream object, this manipulator calls @c width(n) for

   *  that object.

  */

  inline _Setw 

  setw(int __n)

  { 

    _Setw __x; 

    __x._M_n = __n; 

    return __x; 

  }

  template<typename _CharT, typename _Traits>

    inline basic_istream<_CharT,_Traits>& 

    operator>>(basic_istream<_CharT,_Traits>& __is, _Setw __f)

    { 

      __is.width(__f._M_n); 

      return __is; 

    }

  template<typename _CharT, typename _Traits>

    inline basic_ostream<_CharT,_Traits>& 

    operator<<(basic_ostream<_CharT,_Traits>& __os, _Setw __f)

    { 

      __os.width(__f._M_n); 

      return __os; 

    }

  // Inhibit implicit instantiations for required instantiations,

  // which are defined via explicit instantiations elsewhere.  

  // NB:  This syntax is a GNU extension.

#if _GLIBCXX_EXTERN_TEMPLATE

  extern template ostream& operator<<(ostream&, _Setfill<char>);

  extern template ostream& operator<<(ostream&, _Setiosflags);

  extern template ostream& operator<<(ostream&, _Resetiosflags);

  extern template ostream& operator<<(ostream&, _Setbase);

  extern template ostream& operator<<(ostream&, _Setprecision);

  extern template ostream& operator<<(ostream&, _Setw);

  extern template istream& operator>>(istream&, _Setfill<char>);

  extern template istream& operator>>(istream&, _Setiosflags);

  extern template istream& operator>>(istream&, _Resetiosflags);

  extern template istream& operator>>(istream&, _Setbase);

  extern template istream& operator>>(istream&, _Setprecision);

  extern template istream& operator>>(istream&, _Setw);

#ifdef _GLIBCXX_USE_WCHAR_T

  extern template wostream& operator<<(wostream&, _Setfill<wchar_t>);

  extern template wostream& operator<<(wostream&, _Setiosflags);

  extern template wostream& operator<<(wostream&, _Resetiosflags);

  extern template wostream& operator<<(wostream&, _Setbase);

  extern template wostream& operator<<(wostream&, _Setprecision);

  extern template wostream& operator<<(wostream&, _Setw);

  extern template wistream& operator>>(wistream&, _Setfill<wchar_t>);

  extern template wistream& operator>>(wistream&, _Setiosflags);

  extern template wistream& operator>>(wistream&, _Resetiosflags);

  extern template wistream& operator>>(wistream&, _Setbase);

  extern template wistream& operator>>(wistream&, _Setprecision);

  extern template wistream& operator>>(wistream&, _Setw);

#endif

#endif

} // namespace std

#endif /* _GLIBCXX_IOMANIP */