// string standard header
#pragma once
#ifndef _STRING_
#define _STRING_
#include <istream>

#pragma pack(push,8)
#pragma warning(push,3)

 #pragma warning(disable: 4189)

_STD_BEGIN

		// basic_string TEMPLATE OPERATORS
template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_string<_Elem, _Traits, _Alloc> __cdecl operator+(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// return string + string
	return (basic_string<_Elem, _Traits, _Alloc>(_Left) += _Right);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_string<_Elem, _Traits, _Alloc> __cdecl operator+(
		const _Elem *_Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// return NTCS + string
	return (basic_string<_Elem, _Traits, _Alloc>(_Left) += _Right);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_string<_Elem, _Traits, _Alloc> __cdecl operator+(
		const _Elem _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// return character + string
	return (basic_string<_Elem, _Traits, _Alloc>(1, _Left) += _Right);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_string<_Elem, _Traits, _Alloc> __cdecl operator+(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem *_Right)
	{	// return string + NTCS
	return (basic_string<_Elem, _Traits, _Alloc>(_Left) += _Right);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_string<_Elem, _Traits, _Alloc> __cdecl operator+(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem _Right)
	{	// return string + character
	return (basic_string<_Elem, _Traits, _Alloc>(_Left) += _Right);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator==(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test for string equality
	return (_Left.compare(_Right) == 0);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator==(
		const _Elem * _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test for NTCS vs. string equality
	return (_Right.compare(_Left) == 0);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator==(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem *_Right)
	{	// test for string vs. NTCS equality
	return (_Left.compare(_Right) == 0);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator!=(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test for string inequality
	return (!(_Left == _Right));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator!=(
		const _Elem *_Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test for NTCS vs. string inequality
	return (!(_Left == _Right));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator!=(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem *_Right)
	{	// test for string vs. NTCS inequality
	return (!(_Left == _Right));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator<(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if string < string
	return (_Left.compare(_Right) < 0);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator<(
		const _Elem * _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if NTCS < string
	return (_Right.compare(_Left) > 0);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator<(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem *_Right)
	{	// test if string < NTCS
	return (_Left.compare(_Right) < 0);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator>(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if string > string
	return (_Right < _Left);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator>(
		const _Elem * _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if NTCS > string
	return (_Right < _Left);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator>(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem *_Right)
	{	// test if string > NTCS
	return (_Right < _Left);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator<=(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if string <= string
	return (!(_Right < _Left));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator<=(
		const _Elem * _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if NTCS <= string
	return (!(_Right < _Left));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator<=(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem *_Right)
	{	// test if string <= NTCS
	return (!(_Right < _Left));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator>=(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if string >= string
	return (!(_Left < _Right));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator>=(
		const _Elem * _Left,
		const basic_string<_Elem, _Traits, _Alloc>& _Right)
	{	// test if NTCS >= string
	return (!(_Left < _Right));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	bool __cdecl operator>=(
		const basic_string<_Elem, _Traits, _Alloc>& _Left,
		const _Elem *_Right)
	{	// test if string >= NTCS
	return (!(_Left < _Right));
	}

 #ifdef _DLL_CPPLIB
template class _CRTIMP2 basic_string<char,
	char_traits<char>, allocator<char> > __cdecl operator+(
		const basic_string<char, char_traits<char>, allocator<char> >&,
		const basic_string<char, char_traits<char>, allocator<char> >&);
template class _CRTIMP2 basic_string<char,
	char_traits<char>, allocator<char> > __cdecl operator+(
		const char *,
		const basic_string<char, char_traits<char>, allocator<char> >&);
template class _CRTIMP2 basic_string<char,
	char_traits<char>, allocator<char> > __cdecl operator+(
		const char,
		const basic_string<char, char_traits<char>, allocator<char> >&);
template class _CRTIMP2 basic_string<char,
	char_traits<char>, allocator<char> > __cdecl operator+(
		const basic_string<char, char_traits<char>, allocator<char> >&,
		const char *);
template class _CRTIMP2 basic_string<char,
	char_traits<char>, allocator<char> > __cdecl operator+(
		const basic_string<char, char_traits<char>, allocator<char> >&,
		const char);

template _CRTIMP2 bool __cdecl operator==(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator==(
	const char *,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator==(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const char *);

template _CRTIMP2 bool __cdecl operator!=(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator!=(
	const char *,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator!=(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const char *);

template _CRTIMP2 bool __cdecl operator<(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator<(
	const char *,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator<(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const char *);

template _CRTIMP2 bool __cdecl operator>(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator>(
	const char *,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator>(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const char *);

template _CRTIMP2 bool __cdecl operator<=(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator<=(
	const char *,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator<=(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const char *);

template _CRTIMP2 bool __cdecl operator>=(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator>=(
	const char *,
	const basic_string<char, char_traits<char>, allocator<char> >&);
template _CRTIMP2 bool __cdecl operator>=(
	const basic_string<char, char_traits<char>, allocator<char> >&,
	const char *);

template class _CRTIMP2 basic_string<wchar_t,
	char_traits<wchar_t>, allocator<wchar_t> > __cdecl operator+(
		const basic_string<wchar_t, char_traits<wchar_t>,
			allocator<wchar_t> >&,
		const basic_string<wchar_t, char_traits<wchar_t>,
			allocator<wchar_t> >&);
template class _CRTIMP2 basic_string<wchar_t,
	char_traits<wchar_t>, allocator<wchar_t> > __cdecl operator+(
		const wchar_t *,
		const basic_string<wchar_t, char_traits<wchar_t>,
			allocator<wchar_t> >&);
template class _CRTIMP2 basic_string<wchar_t,
	char_traits<wchar_t>, allocator<wchar_t> > __cdecl operator+(
		const wchar_t,
		const basic_string<wchar_t, char_traits<wchar_t>,
			allocator<wchar_t> >&);
template class _CRTIMP2 basic_string<wchar_t,
	char_traits<wchar_t>, allocator<wchar_t> > __cdecl operator+(
		const basic_string<wchar_t, char_traits<wchar_t>,
			allocator<wchar_t> >&,
		const wchar_t *);
template class _CRTIMP2 basic_string<wchar_t,
	char_traits<wchar_t>, allocator<wchar_t> > __cdecl operator+(
		const basic_string<wchar_t, char_traits<wchar_t>,
			allocator<wchar_t> >&,
		const wchar_t);

template _CRTIMP2 bool __cdecl operator==(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator==(
	const wchar_t *,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator==(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const wchar_t *);

template _CRTIMP2 bool __cdecl operator!=(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator!=(
	const wchar_t *,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator!=(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const wchar_t *);

template _CRTIMP2 bool __cdecl operator<(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator<(
	const wchar_t *,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator<(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const wchar_t *);

template _CRTIMP2 bool __cdecl operator>(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator>(
	const wchar_t *,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator>(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const wchar_t *);

template _CRTIMP2 bool __cdecl operator<=(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator<=(
	const wchar_t *,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator<=(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const wchar_t *);

template _CRTIMP2 bool __cdecl operator>=(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator>=(
	const wchar_t *,
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template _CRTIMP2 bool __cdecl operator>=(
	const basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
	const wchar_t *);

 #endif	// _DLL_CPPLIB

		// basic_string INSERTERS AND EXTRACTORS
template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_istream<_Elem, _Traits>& __cdecl operator>>(
		basic_istream<_Elem, _Traits>& _Istr,
		basic_string<_Elem, _Traits, _Alloc>& _Str)
	{	// extract a string
	typedef ctype<_Elem> _Ctype;
	typedef basic_istream<_Elem, _Traits> _Myis;
	typedef basic_string<_Elem, _Traits, _Alloc> _Mystr;
	typedef typename _Mystr::size_type _Mysizt;

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

	if (_Ok)
		{	// state okay, extract characters
		const _Ctype& _Fac = _USE(_Istr.getloc(), _Ctype);
		_Str.erase();

		_TRY_IO_BEGIN
		_Mysizt _Size = 0 < _Istr.width()
			&& (_Mysizt)_Istr.width() < _Str.max_size()
				? (_Mysizt)_Istr.width() : _Str.max_size();
		typename _Traits::int_type _Meta = _Istr.rdbuf()->sgetc();

		for (; 0 < _Size; --_Size, _Meta = _Istr.rdbuf()->snextc())
			if(_Traits::eq_int_type(_Traits::eof(), _Meta))
				{	// end of file, quit
				_State |= ios_base::eofbit;
				break;
				}
			else if (_Fac.is(_Ctype::space, _Traits::to_char_type(_Meta)))
				break;	// whitespace, quit
			else
				{	// add character to string
				_Str.append(1, _Traits::to_char_type(_Meta));
				_Changed = true;
				}
		_CATCH_IO_(_Istr)
		}

	_Istr.width(0);
	if (!_Changed)
		_State |= ios_base::failbit;
	_Istr.setstate(_State);
	return (_Istr);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_istream<_Elem, _Traits>& __cdecl getline(
		basic_istream<_Elem, _Traits>& _Istr,
		basic_string<_Elem, _Traits, _Alloc>& _Str)
	{	// get characters into string, discard newline
	return (getline(_Istr, _Str, _Istr.widen('\n')));
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_istream<_Elem, _Traits>& __cdecl getline(
		basic_istream<_Elem, _Traits>& _Istr,
		basic_string<_Elem, _Traits, _Alloc>& _Str, const _Elem _Delim)
	{	// get characters into string, discard delimiter
	typedef basic_istream<_Elem, _Traits> _Myis;
	ios_base::iostate _State = ios_base::goodbit;
	bool _Changed = false;
	const typename _Myis::sentry _Ok(_Istr, true);

	if (_Ok)
		{	// state okay, extract characters
		_TRY_IO_BEGIN
		_Str.erase();
		const typename _Traits::int_type _Metadelim = 
			_Traits::to_int_type(_Delim);
		typename _Traits::int_type _Meta = _Istr.rdbuf()->sgetc();

		for (; ; _Meta = _Istr.rdbuf()->snextc())
			if (_Traits::eq_int_type(_Traits::eof(), _Meta))
				{	// end of file, quit
				_State |= ios_base::eofbit;
				break;
				}
			else if (_Traits::eq_int_type(_Meta, _Metadelim))
				{	// got a delimiter, discard it and quit
				_Changed = true;
				_Istr.rdbuf()->sbumpc();
				break;
				}
			else if (_Str.max_size() <= _Str.size())
				{	// string too large, quit
				_State |= ios_base::failbit;
				break;
				}
			else
				{	// got a character, add it to string
				_Str += _Traits::to_char_type(_Meta);
				_Changed = true;
				}
		_CATCH_IO_(_Istr)
		}

	if (!_Changed)
		_State |= ios_base::failbit;
	_Istr.setstate(_State);
	return (_Istr);
	}

template<class _Elem,
	class _Traits,
	class _Alloc> inline
	basic_ostream<_Elem, _Traits>& __cdecl operator<<(
		basic_ostream<_Elem, _Traits>& _Ostr,
		const basic_string<_Elem, _Traits, _Alloc>& _Str)
	{	// insert a string
	typedef basic_ostream<_Elem, _Traits> _Myos;
	typedef basic_string<_Elem, _Traits, _Alloc> _Mystr;
	typedef typename _Mystr::size_type _Mysizt;

	ios_base::iostate _State = ios_base::goodbit;
	_Mysizt _Size = _Str.size();
	_Mysizt _Pad = _Ostr.width() <= 0 || (_Mysizt)_Ostr.width() <= _Size
			? 0 : (_Mysizt)_Ostr.width() - _Size;
	const typename _Myos::sentry _Ok(_Ostr);

	if (!_Ok)
		_State |= ios_base::badbit;
	else
		{	// state okay, insert characters
	_TRY_IO_BEGIN
		if ((_Ostr.flags() & ios_base::adjustfield) != ios_base::left)
			for (; 0 < _Pad; --_Pad)	// pad on left
				if (_Traits::eq_int_type(_Traits::eof(),
					_Ostr.rdbuf()->sputc(_Ostr.fill())))
					{	// insertion failed, quit
					_State |= ios_base::badbit;
					break;
					}

		if (_State == ios_base::goodbit)
			for (_Mysizt _Count = 0; _Count < _Size; ++_Count)
				if (_Traits::eq_int_type(_Traits::eof(),
					_Ostr.rdbuf()->sputc(_Str[_Count])))
					{	// insertion failed, quit
					_State |= ios_base::badbit;
					break;
					}

		if (_State == ios_base::goodbit)
			for (; 0 < _Pad; --_Pad)	// pad on right
				if (_Traits::eq_int_type(_Traits::eof(),
					_Ostr.rdbuf()->sputc(_Ostr.fill())))
					{	// insertion failed, quit
					_State |= ios_base::badbit;
					break;
					}
		_Ostr.width(0);
		_CATCH_IO_(_Ostr)
		}

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

 #ifdef _DLL_CPPLIB
template class _CRTIMP2 basic_istream<char,
	char_traits<char> >& __cdecl operator>>(
		basic_istream<char, char_traits<char> >&,
		basic_string<char, char_traits<char>, allocator<char> >&);
template class _CRTIMP2 basic_istream<char,
	char_traits<char> >& __cdecl getline(
		basic_istream<char, char_traits<char> >&,
		basic_string<char, char_traits<char>, allocator<char> >&);
template class _CRTIMP2 basic_istream<char,
	char_traits<char> >& __cdecl getline(
		basic_istream<char, char_traits<char> >&,
		basic_string<char, char_traits<char>, allocator<char> >&,
		const char);
template class _CRTIMP2 basic_ostream<char,
	char_traits<char> >& __cdecl operator<<(
		basic_ostream<char, char_traits<char> >&,
		const basic_string<char, char_traits<char>, allocator<char> >&);

template class _CRTIMP2 basic_istream<wchar_t,
	char_traits<wchar_t> >& __cdecl operator>>(
		basic_istream<wchar_t, char_traits<wchar_t> >&,
		basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template class _CRTIMP2 basic_istream<wchar_t,
	char_traits<wchar_t> >& __cdecl getline(
		basic_istream<wchar_t, char_traits<wchar_t> >&,
		basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&);
template class _CRTIMP2 basic_istream<wchar_t,
	char_traits<wchar_t> >& __cdecl getline(
		basic_istream<wchar_t, char_traits<wchar_t> >&,
		basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&,
		const wchar_t);
template class _CRTIMP2 basic_ostream<wchar_t,
	char_traits<wchar_t> >& __cdecl operator<<(
		basic_ostream<wchar_t, char_traits<wchar_t> >&,
		const basic_string<wchar_t, char_traits<wchar_t>,
			allocator<wchar_t> >&);
 #endif	// _DLL_CPPLIB
_STD_END
 #pragma warning(default: 4189)
#pragma warning(pop)
#pragma pack(pop)

#endif /* _STRING */

/*
* Copyright (c) 1992-2001 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
 V3.10:0009 */
