// ios standard header
#ifndef _IOS_
#define _IOS_
#include <xlocnum>
_STD_BEGIN

		// TEMPLATE CLASS basic_ios
template<class _Elem,
	class _Traits>
	class basic_ios
		: public ios_base
	{	// base class for basic_istream/basic_ostream
public:
	typedef basic_ios<_Elem, _Traits> _Myt;
	typedef basic_ostream<_Elem, _Traits> _Myos;
	typedef basic_streambuf<_Elem, _Traits> _Mysb;
	typedef ctype<_Elem> _Ctype;
	typedef _Elem char_type;
	typedef _Traits traits_type;
	typedef typename _Traits::int_type int_type;
	typedef typename _Traits::pos_type pos_type;
	typedef typename _Traits::off_type off_type;

	explicit basic_ios(_Mysb *_Strbuf)
		{	// construct from stream buffer pointer
		init(_Strbuf);
		}

	virtual ~basic_ios()
		{	// destroy the object
		}

	void clear(iostate _State = goodbit, bool _Reraise = false)
		{	// set state, possibly reraise exception
		ios_base::clear((iostate)(_Mystrbuf == 0
			? (int)_State | (int)badbit : (int)_State), _Reraise);
		}

	void clear(io_state _State)
		{	// set state to _State
		clear((iostate)_State);
		}

	void setstate(iostate _State, bool _Reraise = false)
		{	// merge _State into state, possible reraise exception
		if (_State != goodbit)
			clear((iostate)((int)rdstate() | (int)_State), _Reraise);
		}

	void setstate(io_state _State)
		{	// merge _State into state
		setstate((iostate)_State);
		}

	_Myt& copyfmt(const _Myt& _Right)
		{	// copy format parameters
		_Tiestr = _Right.tie();
		_Fillch = _Right.fill();
		ios_base::copyfmt(_Right);
		return (*this);
		}

	_Myos *tie() const
		{	// return tie pointer
		return (_Tiestr);
		}

	_Myos *tie(_Myos *_Newtie)
		{	// set tie pointer
		_Myos *_Oldtie = _Tiestr;
		_Tiestr = _Newtie;
		return (_Oldtie);
		}

	_Mysb *rdbuf() const
		{	// return stream buffer pointer
		return (_Mystrbuf);
		}

	_Mysb *rdbuf(_Mysb *_Strbuf)
		{	// set stream buffer pointer
		_Mysb *_Oldstrbuf = _Mystrbuf;
		_Mystrbuf = _Strbuf;
		clear();
		return (_Oldstrbuf);
		}

	locale imbue(const locale& _Loc)
		{	// set locale to argument
		locale _Oldlocale = ios_base::imbue(_Loc);
		if (rdbuf() != 0)
			rdbuf()->pubimbue(_Loc);
		return (_Oldlocale);
		}

	_Elem fill() const
		{	// return fill character
		return (_Fillch);
		}

	_Elem fill(_Elem _Newfill)
		{	// set fill character
		_Elem _Oldfill = _Fillch;
		_Fillch = _Newfill;
		return (_Oldfill);
		}

	char narrow(_Elem _Ch, char _Dflt = '\0') const
		{	// convert _Ch to byte using imbued locale
		const _Ctype& _Ctype_fac = use_facet< _Ctype >(getloc());
		return (_Ctype_fac.narrow(_Ch, _Dflt));
		}

	_Elem widen(char _Byte) const
		{	// convert _Byte to character using imbued locale
		const _Ctype& _Ctype_fac = use_facet< _Ctype >(getloc());
		return (_Ctype_fac.widen(_Byte));
		}

protected:
	void init(_Mysb *_Strbuf = 0,
		bool _Isstd = false)
		{	// initialize with stream buffer pointer
		_Init();	// initialize ios_base
		_Mystrbuf = _Strbuf;
		_Tiestr = 0;
		_Fillch = widen(' ');

		if (_Mystrbuf == 0)
			setstate(badbit);

		if (_Isstd)
			_Addstd();	// special handling for standard streams
		else
			_Stdstr = 0;
		}

	basic_ios()
		{	// default constructor, do nothing
		}

private:
 #ifndef _IOS_Stdio
	basic_ios(const _Myt&);	// not defined

	_Myt& operator=(const _Myt&);	// not defined
 #endif /* _IOS_Stdio */

	_Mysb *_Mystrbuf;	// pointer to stream buffer
	_Myos *_Tiestr;	// pointer to tied output stream
	_Elem _Fillch;	// the fill character
	};

 #ifdef _DLL

  #ifdef __FORCE_INSTANCE
template class basic_ios<char,
	char_traits<char> >;
template class basic_ios<wchar_t,
	char_traits<wchar_t> >;

   #ifdef _CRTBLD_NATIVE_WCHAR_T
template class basic_ios<unsigned short,
	char_traits<unsigned short> >;
   #endif /* _CRTBLD_NATIVE_WCHAR_T */

  #else /* __FORCE_INSTANCE */
extern template class basic_ios<char,
	char_traits<char> >;
extern template class basic_ios<wchar_t,
	char_traits<wchar_t> >;
  #endif /* __FORCE_INSTANCE */

 #endif /* _DLL */

		// MANIPULATORS
inline ios_base& boolalpha(ios_base& _Iosbase)
	{	// set boolalpha
	_Iosbase.setf(ios_base::boolalpha);
	return (_Iosbase);
	}

inline ios_base& dec(ios_base& _Iosbase)
	{	// set basefield to dec
	_Iosbase.setf(ios_base::dec, ios_base::basefield);
	return (_Iosbase);
	}

inline ios_base& fixed(ios_base& _Iosbase)
	{	// set floatfield to fixed
	_Iosbase.setf(ios_base::fixed, ios_base::floatfield);
	return (_Iosbase);
	}

inline ios_base& hex(ios_base& _Iosbase)
	{	// set basefield to hex
	_Iosbase.setf(ios_base::hex, ios_base::basefield);
	return (_Iosbase);
	}

inline ios_base& internal(ios_base& _Iosbase)
	{	// set adjustfield to internal
	_Iosbase.setf(ios_base::internal, ios_base::adjustfield);
	return (_Iosbase);
	}

inline ios_base& left(ios_base& _Iosbase)
	{	// set adjustfield to left
	_Iosbase.setf(ios_base::left, ios_base::adjustfield);
	return (_Iosbase);
	}

inline ios_base& noboolalpha(ios_base& _Iosbase)
	{	// clear boolalpha
	_Iosbase.unsetf(ios_base::boolalpha);
	return (_Iosbase);
	}

inline ios_base& noshowbase(ios_base& _Iosbase)
	{	// clear showbase
	_Iosbase.unsetf(ios_base::showbase);
	return (_Iosbase);
	}

inline ios_base& noshowpoint(ios_base& _Iosbase)
	{	// clear showpoint
	_Iosbase.unsetf(ios_base::showpoint);
	return (_Iosbase);
	}

inline ios_base& noshowpos(ios_base& _Iosbase)
	{	// clear showpos
	_Iosbase.unsetf(ios_base::showpos);
	return (_Iosbase);
	}

inline ios_base& noskipws(ios_base& _Iosbase)
	{	// clear skipws
	_Iosbase.unsetf(ios_base::skipws);
	return (_Iosbase);
	}

inline ios_base& nounitbuf(ios_base& _Iosbase)
	{	// clear unitbuf
	_Iosbase.unsetf(ios_base::unitbuf);
	return (_Iosbase);
	}

inline ios_base& nouppercase(ios_base& _Iosbase)
	{	// clear uppercase
	_Iosbase.unsetf(ios_base::uppercase);
	return (_Iosbase);
	}

inline ios_base& oct(ios_base& _Iosbase)
	{	// set oct in basefield
	_Iosbase.setf(ios_base::oct, ios_base::basefield);
	return (_Iosbase);
	}

inline ios_base& right(ios_base& _Iosbase)
	{	// set right in adjustfield
	_Iosbase.setf(ios_base::right, ios_base::adjustfield);
	return (_Iosbase);
	}

inline ios_base& scientific(ios_base& _Iosbase)
	{	// set scientific in floatfield
	_Iosbase.setf(ios_base::scientific, ios_base::floatfield);
	return (_Iosbase);
	}

inline ios_base& showbase(ios_base& _Iosbase)
	{	// set showbase
	_Iosbase.setf(ios_base::showbase);
	return (_Iosbase);
	}

inline ios_base& showpoint(ios_base& _Iosbase)
	{	// set showpoint
	_Iosbase.setf(ios_base::showpoint);
	return (_Iosbase);
	}

inline ios_base& showpos(ios_base& _Iosbase)
	{	// set showpos
	_Iosbase.setf(ios_base::showpos);
	return (_Iosbase);
	}

inline ios_base& skipws(ios_base& _Iosbase)
	{	// set skipws
	_Iosbase.setf(ios_base::skipws);
	return (_Iosbase);
	}

inline ios_base& unitbuf(ios_base& _Iosbase)
	{	// set unitbuf
	_Iosbase.setf(ios_base::unitbuf);
	return (_Iosbase);
	}

inline ios_base& uppercase(ios_base& _Iosbase)
	{	// set uppercase
	_Iosbase.setf(ios_base::uppercase);
	return (_Iosbase);
	}
_STD_END
#endif /* _IOS_ */

/*
 * Copyright (c) 1992-2003 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
V4.02:0216 */
