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305 lines
7.0 KiB
305 lines
7.0 KiB
// ios standard header
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#pragma once
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#ifndef _IOS_
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#define _IOS_
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#include <xlocnum>
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#pragma pack(push,8)
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#pragma warning(push,3)
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_STD_BEGIN
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// TEMPLATE CLASS basic_ios
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template<class _Elem,
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class _Traits>
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class basic_ios
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: public ios_base
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{ // base class for basic_istream/basic_ostream
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public:
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typedef basic_ios<_Elem, _Traits> _Myt;
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typedef basic_ostream<_Elem, _Traits> _Myos;
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typedef basic_streambuf<_Elem, _Traits> _Mysb;
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typedef ctype<_Elem> _Ctype;
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typedef _Elem char_type;
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typedef _Traits traits_type;
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typedef typename _Traits::int_type int_type;
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typedef typename _Traits::pos_type pos_type;
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typedef typename _Traits::off_type off_type;
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explicit basic_ios(_Mysb *_Strbuf)
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{ // construct from stream buffer pointer
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init(_Strbuf);
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}
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virtual ~basic_ios()
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{ // destroy the object
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}
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void clear(iostate _State = goodbit, bool _Except = false)
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{ // set state, possibly reraise exception
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ios_base::clear((iostate)(_Mystrbuf == 0
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? (int)_State | (int)badbit : (int)_State), _Except);
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}
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void clear(io_state _State)
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{ // set state to _State
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clear((iostate)_State);
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}
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void setstate(iostate _State, bool _Except = false)
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{ // merge _State into state, possible reraise exception
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if (_State != goodbit)
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clear((iostate)((int)rdstate() | (int)_State), _Except);
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}
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void setstate(io_state _State)
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{ // merge _State into state
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setstate((iostate)_State);
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}
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_Myt& copyfmt(const _Myt& _Right)
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{ // copy format parameters
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_Tiestr = _Right.tie();
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_Fillch = _Right.fill();
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ios_base::copyfmt(_Right);
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return (*this);
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}
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_Myos *tie() const
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{ // return tie pointer
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return (_Tiestr);
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}
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_Myos *tie(_Myos *_Newtie)
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{ // set tie pointer
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_Myos *_Oldtie = _Tiestr;
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_Tiestr = _Newtie;
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return (_Oldtie);
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}
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_Mysb *rdbuf() const
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{ // return stream buffer pointer
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return (_Mystrbuf);
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}
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_Mysb *rdbuf(_Mysb *_Strbuf)
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{ // set stream buffer pointer
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_Mysb *_Oldstrbuf = _Mystrbuf;
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_Mystrbuf = _Strbuf;
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clear();
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return (_Oldstrbuf);
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}
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locale imbue(const locale& _Loc)
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{ // set locale to argument
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locale _Oldlocale = ios_base::imbue(_Loc);
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if (rdbuf() != 0)
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rdbuf()->pubimbue(_Loc);
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return (_Oldlocale);
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}
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_Elem fill() const
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{ // return fill character
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return (_Fillch);
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}
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_Elem fill(_Elem _Newfill)
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{ // set fill character
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_Elem _Oldfill = _Fillch;
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_Fillch = _Newfill;
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return (_Oldfill);
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}
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char narrow(_Elem _Ch, char _Dflt = '\0') const
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{ // convert _Ch to byte using imbued locale
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const _Ctype& _Facet = _USE(getloc(), _Ctype);
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return (_Facet.narrow(_Ch, _Dflt));
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}
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_Elem widen(char _Byte) const
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{ // convert _Byte to character using imbued locale
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const _Ctype& _Facet = _USE(getloc(), _Ctype);
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return (_Facet.widen(_Byte));
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}
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protected:
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void init(_Mysb *_Strbuf = 0, bool _Isstd = false)
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{ // initialize with stream buffer pointer
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_Mystrbuf = _Strbuf;
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_Tiestr = 0;
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_Fillch = _WIDEN(_Elem, ' ');
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_Init(); // initialize ios_base
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if (_Mystrbuf == 0)
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setstate(badbit);
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if (_Isstd)
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_Addstd(); // special handling for standard streams
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}
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basic_ios()
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{ // default constructor, do nothing
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}
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private:
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basic_ios(const _Myt&); // not defined
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_Myt& operator=(const _Myt&); // not defined
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_Mysb *_Mystrbuf; // pointer to stream buffer
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_Myos *_Tiestr; // pointer to tied output stream
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_Elem _Fillch; // the fill character
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};
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#ifdef _DLL_CPPLIB
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#ifdef __FORCE_INSTANCE
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template class _CRTIMP2 basic_ios<char,
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char_traits<char> >;
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template class _CRTIMP2 basic_ios<wchar_t,
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char_traits<wchar_t> >;
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#ifdef _CRTBLD_NATIVE_WCHAR_T
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template class _CRTIMP2 basic_ios<unsigned short,
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char_traits<unsigned short> >;
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#endif
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#endif // __FORCE_INSTANCE
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#endif // _DLL_CPPLIB
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// MANIPULATORS
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inline ios_base& __cdecl boolalpha(ios_base& _Iosbase)
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{ // set boolalpha
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_Iosbase.setf(ios_base::boolalpha);
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return (_Iosbase);
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}
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inline ios_base& __cdecl dec(ios_base& _Iosbase)
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{ // set basefield to dec
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_Iosbase.setf(ios_base::dec, ios_base::basefield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl fixed(ios_base& _Iosbase)
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{ // set floatfield to fixed
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_Iosbase.setf(ios_base::fixed, ios_base::floatfield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl hex(ios_base& _Iosbase)
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{ // set basefield to hex
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_Iosbase.setf(ios_base::hex, ios_base::basefield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl internal(ios_base& _Iosbase)
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{ // set adjustfield to internal
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_Iosbase.setf(ios_base::internal, ios_base::adjustfield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl left(ios_base& _Iosbase)
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{ // set adjustfield to left
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_Iosbase.setf(ios_base::left, ios_base::adjustfield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl noboolalpha(ios_base& _Iosbase)
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{ // clear boolalpha
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_Iosbase.unsetf(ios_base::boolalpha);
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return (_Iosbase);
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}
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inline ios_base& __cdecl noshowbase(ios_base& _Iosbase)
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{ // clear showbase
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_Iosbase.unsetf(ios_base::showbase);
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return (_Iosbase);
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}
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inline ios_base& __cdecl noshowpoint(ios_base& _Iosbase)
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{ // clear showpoint
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_Iosbase.unsetf(ios_base::showpoint);
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return (_Iosbase);
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}
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inline ios_base& __cdecl noshowpos(ios_base& _Iosbase)
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{ // clear showpos
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_Iosbase.unsetf(ios_base::showpos);
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return (_Iosbase);
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}
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inline ios_base& __cdecl noskipws(ios_base& _Iosbase)
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{ // clear skipws
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_Iosbase.unsetf(ios_base::skipws);
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return (_Iosbase);
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}
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inline ios_base& __cdecl nounitbuf(ios_base& _Iosbase)
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{ // clear unitbuf
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_Iosbase.unsetf(ios_base::unitbuf);
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return (_Iosbase);
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}
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inline ios_base& __cdecl nouppercase(ios_base& _Iosbase)
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{ // clear uppercase
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_Iosbase.unsetf(ios_base::uppercase);
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return (_Iosbase);
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}
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inline ios_base& __cdecl oct(ios_base& _Iosbase)
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{ // set oct in basefield
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_Iosbase.setf(ios_base::oct, ios_base::basefield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl right(ios_base& _Iosbase)
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{ // set right in adjustfield
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_Iosbase.setf(ios_base::right, ios_base::adjustfield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl scientific(ios_base& _Iosbase)
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{ // set scientific in floatfield
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_Iosbase.setf(ios_base::scientific, ios_base::floatfield);
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return (_Iosbase);
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}
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inline ios_base& __cdecl showbase(ios_base& _Iosbase)
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{ // set showbase
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_Iosbase.setf(ios_base::showbase);
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return (_Iosbase);
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}
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inline ios_base& __cdecl showpoint(ios_base& _Iosbase)
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{ // set showpoint
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_Iosbase.setf(ios_base::showpoint);
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return (_Iosbase);
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}
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inline ios_base& __cdecl showpos(ios_base& _Iosbase)
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{ // set showpos
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_Iosbase.setf(ios_base::showpos);
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return (_Iosbase);
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}
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inline ios_base& __cdecl skipws(ios_base& _Iosbase)
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{ // set skipws
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_Iosbase.setf(ios_base::skipws);
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return (_Iosbase);
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}
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inline ios_base& __cdecl unitbuf(ios_base& _Iosbase)
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{ // set unitbuf
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_Iosbase.setf(ios_base::unitbuf);
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return (_Iosbase);
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}
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inline ios_base& __cdecl uppercase(ios_base& _Iosbase)
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{ // set uppercase
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_Iosbase.setf(ios_base::uppercase);
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return (_Iosbase);
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}
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_STD_END
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#pragma warning(pop)
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#pragma pack(pop)
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#endif /* _IOS_ */
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/*
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* Copyright (c) 1992-2001 by P.J. Plauger. ALL RIGHTS RESERVED.
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* Consult your license regarding permissions and restrictions.
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V3.10:0009 */
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