iomanip

C语言库函数的原型,有用的拿去

// iomanip standard header
#pragma once
#ifndef _IOMANIP_
#define _IOMANIP_
#ifndef RC_INVOKED
#include <istream>
#include <xlocmon>
#include <xloctime>

 #pragma pack(push,_CRT_PACKING)
 #pragma warning(push,3)
_STD_BEGIN
		// TEMPLATE STRUCT _Fillobj
template<class _Elem>
	struct _Fillobj
	{	// store fill character
	_Fillobj(_Elem _Ch)
		: _Fill(_Ch)
		{	// construct from fill character
		}

	_Elem _Fill;	// the fill character
	};

		// TEMPLATE FUNCTION setfill
template<class _Elem> inline
	_Fillobj<_Elem> setfill(_Elem _Ch)
	{	// return a _Fillobj manipulator
	return (_Fillobj<_Elem>(_Ch));
	}

template<class _Elem,
	class _Traits> inline
	basic_istream<_Elem, _Traits>&
		operator>>(basic_istream<_Elem, _Traits>& _Istr,
			const _Fillobj<_Elem>& _Manip)
	{	// set fill character in input stream
	_Istr.fill(_Manip._Fill);
	return (_Istr);
	}

template<class _Elem,
	class _Traits> inline
	basic_ostream<_Elem, _Traits>&
		operator<<(basic_ostream<_Elem, _Traits>& _Ostr,
			const _Fillobj<_Elem>& _Manip)
	{	// set fill character in output stream
	_Ostr.fill(_Manip._Fill);
	return (_Ostr);
	}

 #if _HAS_CPP0X
		// TEMPLATE STRUCT _Monobj
template<class _Money>
	struct _Monobj
	{	// store reference to monetary amount
	_Monobj(_Money& _Val_arg, bool _Intl_arg)
		: _Val(_Val_arg), _Intl(_Intl_arg)
		{	// construct from monetary amount reference and int'l flag
		}

	_Money& _Val;	// the monetary amount reference
	bool _Intl;		// international flag

	private:
		_Monobj& operator=(const _Monobj&);
	};

		// TEMPLATE FUNCTION get_money
template<class _Money> inline
	_Monobj<_Money> get_money(_Money& _Val_arg,
		bool _Intl_arg = false)
	{	// return a _Monobj manipulator
	return (_Monobj<_Money>(_Val_arg, _Intl_arg));
	}

template<class _Elem,
	class _Traits,
	class _Money> inline
	basic_istream<_Elem, _Traits>&
		operator>>(basic_istream<_Elem, _Traits>& _Istr,
			const _Monobj<_Money>& _Manip)
	{	// get monetary amount from input stream
	typedef basic_istream<_Elem, _Traits> _Myis;
	typedef istreambuf_iterator<_Elem, _Traits> _Iter;
	typedef money_get<_Elem, _Iter> _Mymget;

	ios_base::iostate _State = ios_base::goodbit;
	const typename _Myis::sentry _Ok(_Istr);

	if (_Ok)
		{	// state okay, extract monetary amount
		const _Mymget& _Mget_fac = _USE(_Istr.getloc(), _Mymget);
		_TRY_IO_BEGIN
		_Mget_fac.get(_Iter(_Istr.rdbuf()), _Iter(0), _Manip._Intl,
			_Istr, _State, _Manip._Val);
		_CATCH_IO_(_Istr)
		}

	_Istr.setstate(_State);
	return (_Istr);
	}

		// TEMPLATE FUNCTION put_money
template<class _Money> inline
	_Monobj<const _Money>
		put_money(const _Money& _Val_arg,
			bool _Intl_arg = false)
	{	// return a _Monobj manipulator
	return (_Monobj<const _Money>(_Val_arg, _Intl_arg));
	}

template<class _Elem,
	class _Traits,
	class _Money> inline
	basic_ostream<_Elem, _Traits>&
		operator<<(basic_ostream<_Elem, _Traits>& _Ostr,
			const _Monobj<_Money>& _Manip)
	{	// put monetary amount to output stream
	typedef basic_ostream<_Elem, _Traits> _Myos;
	typedef ostreambuf_iterator<_Elem, _Traits> _Iter;
	typedef money_put<_Elem, _Iter> _Mymput;

	ios_base::iostate _State = ios_base::goodbit;
	const typename _Myos::sentry _Ok(_Ostr);

	if (_Ok)
		{	// state okay, insert monetary amount
		const _Mymput& _Mput_fac = _USE(_Ostr.getloc(), _Mymput);
		_TRY_IO_BEGIN
		if (_Mput_fac.put(_Iter(_Ostr.rdbuf()), _Manip._Intl,
			_Ostr, _Ostr.fill(), _Manip._Val).failed())
				_State |= ios_base::badbit;
		_CATCH_IO_(_Ostr)
		}

	_Ostr.setstate(_State);
	return (_Ostr);
	}

		// TEMPLATE STRUCT _Timeobj
template<class _Elem>
	struct _Timeobj
	{	// store reference to tm object and format
	_Timeobj(struct tm *_Tptr_arg, const _Elem *_Fmt_arg)
		: _Tptr(_Tptr_arg), _Fmtfirst(_Fmt_arg)
		{	// construct from tm pointer and format pointer
		for (_Fmtlast = _Fmtfirst; *_Fmtlast != 0; ++_Fmtlast)
			;	// find end of format string
		}

	struct tm *_Tptr;	// the tm struct pointer
	const _Elem *_Fmtfirst;	// format string start
	const _Elem *_Fmtlast;	// format string end
	};

		// TEMPLATE FUNCTION get_time
template<class _Elem> inline
	_Timeobj<_Elem>
		get_time(struct tm *_Tptr_arg, const _Elem *_Fmt_arg)
	{	// return a _Timeobj manipulator
	return (_Timeobj<_Elem>(_Tptr_arg, _Fmt_arg));
	}

template<class _Elem,
	class _Traits> inline
	basic_istream<_Elem, _Traits>&
		operator>>(basic_istream<_Elem, _Traits>& _Istr,
			const _Timeobj<_Elem>& _Manip)
	{	// get time information from input stream
	typedef basic_istream<_Elem, _Traits> _Myis;
	typedef istreambuf_iterator<_Elem, _Traits> _Iter;
	typedef time_get<_Elem, _Iter> _Mytget;

	ios_base::iostate _State = ios_base::goodbit;
	const typename _Myis::sentry _Ok(_Istr);

	if (_Ok)
		{	// state okay, extract time amounts
		const _Mytget& _Tget_fac = _USE(_Istr.getloc(), _Mytget);
		_TRY_IO_BEGIN
		_Tget_fac.get(_Iter(_Istr.rdbuf()), _Iter(0), _Istr, _State,
			_Manip._Tptr, _Manip._Fmtfirst, _Manip._Fmtlast);
		_CATCH_IO_(_Istr)
		}

	_Istr.setstate(_State);
	return (_Istr);
	}

		// TEMPLATE FUNCTION put_time
template<class _Elem> inline
	_Timeobj<_Elem>
		put_time(struct tm *_Tptr_arg, const _Elem *_Fmt_arg)
	{	// return a _Timeobj manipulator
	return (_Timeobj<_Elem>(_Tptr_arg, _Fmt_arg));
	}

template<class _Elem,
	class _Traits> inline
	basic_ostream<_Elem, _Traits>&
		operator<<(basic_ostream<_Elem, _Traits>& _Ostr,
			const _Timeobj<_Elem>& _Manip)
	{	// put time information to output stream
	typedef basic_ostream<_Elem, _Traits> _Myos;
	typedef ostreambuf_iterator<_Elem, _Traits> _Iter;
	typedef time_put<_Elem, _Iter> _Mytput;

	ios_base::iostate _State = ios_base::goodbit;
	const typename _Myos::sentry _Ok(_Ostr);

	if (_Ok)
		{	// state okay, insert monetary amount
		const _Mytput& _Tput_fac = _USE(_Ostr.getloc(), _Mytput);
		_TRY_IO_BEGIN
		if (_Tput_fac.put(_Iter(_Ostr.rdbuf()), _Ostr, _Ostr.fill(),
			_Manip._Tptr, _Manip._Fmtfirst, _Manip._Fmtlast).failed())
			_State |= ios_base::badbit;
		_CATCH_IO_(_Ostr)
		}

	_Ostr.setstate(_State);
	return (_Ostr);
	}
 #endif /* _HAS_CPP0X */

		// TEMPLATE STRUCT _Smanip
template<class _Arg>
	struct _Smanip
	{	// store function pointer and argument value
	_Smanip(void (__cdecl *_Left)(ios_base&, _Arg), _Arg _Val)
		: _Pfun(_Left), _Manarg(_Val)
		{	// construct from function pointer and argument value
		}

	void (__cdecl *_Pfun)(ios_base&, _Arg);	// the function pointer
	_Arg _Manarg;	// the argument value
	};

template<class _Elem,
	class _Traits,
	class _Arg> inline
	basic_istream<_Elem, _Traits>& operator>>(
		basic_istream<_Elem, _Traits>& _Istr, const _Smanip<_Arg>& _Manip)
	{	// extract by calling function with input stream and argument
	(*_Manip._Pfun)(_Istr, _Manip._Manarg);
	return (_Istr);
	}

template<class _Elem,
	class _Traits,
	class _Arg> inline
	basic_ostream<_Elem, _Traits>& operator<<(
		basic_ostream<_Elem, _Traits>& _Ostr, const _Smanip<_Arg>& _Manip)
	{	// insert by calling function with output stream and argument
	(*_Manip._Pfun)(_Ostr, _Manip._Manarg);
	return (_Ostr);
	}

		// INSTANTIATIONS
_MRTIMP2 _Smanip<ios_base::fmtflags> __cdecl resetiosflags(ios_base::fmtflags);
_MRTIMP2 _Smanip<ios_base::fmtflags> __cdecl setiosflags(ios_base::fmtflags);
_MRTIMP2 _Smanip<int> __cdecl setbase(int);
_MRTIMP2 _Smanip<streamsize> __cdecl setprecision(streamsize);
_MRTIMP2 _Smanip<streamsize> __cdecl setw(streamsize);
_STD_END
 #pragma warning(pop)
 #pragma pack(pop)

#endif /* RC_INVOKED */
#endif /* _IOMANIP_ */

/*
 * Copyright (c) 1992-2009 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
V5.20:0009 */