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445 lines
12 KiB
445 lines
12 KiB
// xiosbase internal header (from <ios>)
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#pragma once
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#ifndef _XIOSBASE_
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#define _XIOSBASE_
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#include <xlocale>
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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 _Iosb
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template<class _Dummy>
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class _Iosb
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{ // define templatized bitmask/enumerated types, instantiate on demand
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public:
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enum _Dummy_enum {_Dummy_enum_val = 1}; // don't ask
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enum _Fmtflags
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{ // constants for formatting options
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_Fmtmask = 0x7fff, _Fmtzero = 0};
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_BITMASK(_Fmtflags, fmtflags);
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static const _Fmtflags skipws = (_Fmtflags)0x0001;
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static const _Fmtflags unitbuf = (_Fmtflags)0x0002;
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static const _Fmtflags uppercase = (_Fmtflags)0x0004;
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static const _Fmtflags showbase = (_Fmtflags)0x0008;
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static const _Fmtflags showpoint = (_Fmtflags)0x0010;
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static const _Fmtflags showpos = (_Fmtflags)0x0020;
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static const _Fmtflags left = (_Fmtflags)0x0040;
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static const _Fmtflags right = (_Fmtflags)0x0080;
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static const _Fmtflags internal = (_Fmtflags)0x0100;
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static const _Fmtflags dec = (_Fmtflags)0x0200;
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static const _Fmtflags oct = (_Fmtflags)0x0400;
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static const _Fmtflags hex = (_Fmtflags)0x0800;
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static const _Fmtflags scientific = (_Fmtflags)0x1000;
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static const _Fmtflags fixed = (_Fmtflags)0x2000;
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static const _Fmtflags boolalpha = (_Fmtflags)0x4000;
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static const _Fmtflags adjustfield = (_Fmtflags)0x01c0;
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static const _Fmtflags basefield = (_Fmtflags)0x0e00;
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static const _Fmtflags floatfield = (_Fmtflags)0x3000;
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enum _Iostate
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{ // constants for stream states
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_Statmask = 0x7};
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_BITMASK(_Iostate, iostate);
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static const _Iostate goodbit = (_Iostate)0x0;
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static const _Iostate eofbit = (_Iostate)0x1;
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static const _Iostate failbit = (_Iostate)0x2;
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static const _Iostate badbit = (_Iostate)0x4;
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enum _Openmode
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{ // constants for file opening options
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_Openmask = 0x3f};
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_BITMASK(_Openmode, openmode);
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static const _Openmode in = (_Openmode)0x01;
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static const _Openmode out = (_Openmode)0x02;
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static const _Openmode ate = (_Openmode)0x04;
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static const _Openmode app = (_Openmode)0x08;
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static const _Openmode trunc = (_Openmode)0x10;
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static const _Openmode binary = (_Openmode)0x20;
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enum _Seekdir
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{ // constants for file positioning options
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_Seekmask = 0x3};
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_BITMASK(_Seekdir, seekdir);
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static const _Seekdir beg = (_Seekdir)0;
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static const _Seekdir cur = (_Seekdir)1;
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static const _Seekdir end = (_Seekdir)2;
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};
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::skipws;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::unitbuf;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::uppercase;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::showbase;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::showpoint;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::showpos;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::left;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::right;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::internal;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::dec;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::oct;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::hex;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::scientific;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::fixed;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::boolalpha;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::adjustfield;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::basefield;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Fmtflags _Iosb<_Dummy>::floatfield;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Iostate _Iosb<_Dummy>::goodbit;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Iostate _Iosb<_Dummy>::eofbit;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Iostate _Iosb<_Dummy>::failbit;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Iostate _Iosb<_Dummy>::badbit;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Openmode _Iosb<_Dummy>::in;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Openmode _Iosb<_Dummy>::out;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Openmode _Iosb<_Dummy>::ate;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Openmode _Iosb<_Dummy>::app;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Openmode _Iosb<_Dummy>::trunc;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Openmode _Iosb<_Dummy>::binary;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Seekdir _Iosb<_Dummy>::beg;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Seekdir _Iosb<_Dummy>::cur;
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template<class _Dummy>
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const typename _Iosb<_Dummy>::_Seekdir _Iosb<_Dummy>::end;
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// CLASS ios_base
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class _CRTIMP2 ios_base
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: public _Iosb<int>
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{ // base class for ios
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public:
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typedef std::streamoff streamoff;
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typedef std::streampos streampos;
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enum event
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{ // constants for ios events
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erase_event, imbue_event, copyfmt_event};
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typedef void (__cdecl *event_callback)(event, ios_base&, int);
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typedef unsigned int io_state, open_mode, seek_dir;
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// CLASS failure
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class failure
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: public runtime_error
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{ // base of all iostreams exceptions
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public:
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explicit failure(const string &_Message)
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: runtime_error(_Message)
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{ // construct with message
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}
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virtual ~failure()
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{ // destroy the object
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}
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protected:
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virtual void _Doraise() const
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{ // report the exception
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_RAISE(*this);
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}
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};
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// CLASS Init
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class _CRTIMP2 Init
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{ // controller for standard-stream initialization
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public:
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Init(); // initialize standard streams on first construction
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~Init(); // flush standard streams on last destruction
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private:
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static int _Init_cnt; // net constructions - destructions
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};
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ios_base& operator=(const ios_base& _Right)
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{ // assign state and format stuff from _Right
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if (this != &_Right)
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{ // worth doing
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_Mystate = _Right._Mystate;
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copyfmt(_Right);
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}
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return (*this);
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}
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operator void *() const
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{ // test if any stream operation has failed
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return (fail() ? 0 : (void *)this);
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}
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bool operator!() const
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{ // test if no stream operation has failed
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return (fail());
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}
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void clear(iostate, bool); // set state, possibly reraise exception
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void clear(iostate _State = goodbit)
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{ // set state to argument
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clear(_State, false);
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}
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void clear(io_state _State)
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{ // set state to argument, old-style
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clear((iostate)_State);
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}
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iostate rdstate() const
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{ // return stream state
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return (_Mystate);
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}
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void setstate(iostate _State, bool _Exreraise)
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{ // merge in state argument, possibly reraise exception
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if (_State != goodbit)
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clear((iostate)((int)rdstate() | (int)_State), _Exreraise);
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}
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void setstate(iostate _State)
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{ // merge in state argument
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if (_State != goodbit)
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clear((iostate)((int)rdstate() | (int)_State), false);
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}
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void setstate(io_state _State)
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{ // merge in state argument, old style
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setstate((iostate)_State);
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}
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bool good() const
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{ // test if no state bits are set
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return (rdstate() == goodbit);
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}
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bool eof() const
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{ // test if eofbit is set in stream state
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return ((int)rdstate() & (int)eofbit);
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}
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bool fail() const
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{ // test if badbit or failbit is set in stream state
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return (((int)rdstate()
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& ((int)badbit | (int)failbit)) != 0);
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}
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bool bad() const
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{ // test if badbit is set in stream state
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return (((int)rdstate() & (int)badbit) != 0);
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}
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iostate exceptions() const
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{ // return exception mask
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return (_Except);
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}
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void exceptions(iostate _Newexcept)
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{ // set exception mask to argument
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_Except = (iostate)((int)_Newexcept & (int)_Statmask);
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clear(_Mystate);
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}
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void exceptions(io_state _State)
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{ // set exception mask to argument, old style
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exceptions((iostate)_State);
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}
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fmtflags flags() const
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{ // return format flags
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return (_Fmtfl);
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}
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fmtflags flags(fmtflags _Newfmtflags)
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{ // set format flags to argument
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fmtflags _Oldfmtflags = _Fmtfl;
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_Fmtfl = (fmtflags)((int)_Newfmtflags & (int)_Fmtmask);
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return (_Oldfmtflags);
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}
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fmtflags setf(fmtflags _Newfmtflags)
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{ // merge in format flags argument
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ios_base::fmtflags _Oldfmtflags = _Fmtfl;
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_Fmtfl = (fmtflags)((int)_Fmtfl
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| (int)_Newfmtflags & (int)_Fmtmask);
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return (_Oldfmtflags);
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}
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fmtflags setf(fmtflags _Newfmtflags, fmtflags _Mask)
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{ // merge in format flags argument under mask argument
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ios_base::fmtflags _Oldfmtflags = _Fmtfl;
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_Fmtfl = (fmtflags)(((int)_Fmtfl & (int)~_Mask)
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| ((int)_Newfmtflags & (int)_Mask & (int)_Fmtmask));
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return (_Oldfmtflags);
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}
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void unsetf(fmtflags _Mask)
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{ // clear format flags under mask argument
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_Fmtfl = (fmtflags)((int)_Fmtfl & (int)~_Mask);
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}
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streamsize precision() const
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{ // return precision
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return (_Prec);
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}
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streamsize precision(streamsize _Newprecision)
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{ // set precision to argument
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streamsize _Oldprecision = _Prec;
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_Prec = _Newprecision;
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return (_Oldprecision);
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}
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streamsize width() const
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{ // return width
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return (_Wide);
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}
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streamsize width(streamsize _Newwidth)
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{ // set width to argument
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streamsize _Oldwidth = _Wide;
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_Wide = _Newwidth;
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return (_Oldwidth);
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}
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locale getloc() const
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{ // get locale
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return (*_Ploc);
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}
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locale imbue(const locale&); // set locale to argument
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static int __cdecl xalloc()
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{ // allocate new iword/pword index
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_Lockit _Lock(_LOCK_STREAM); // lock thread to ensure atomicity
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return (_Index++);
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}
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long& iword(int _Idx)
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{ // return reference to long element
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return (_Findarr(_Idx)._Lo);
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}
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void *& pword(int _Idx)
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{ // return reference to pointer element
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return (_Findarr(_Idx)._Vp);
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}
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void register_callback(event_callback, int); // register event handler
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ios_base& copyfmt(const ios_base&); // copy format stuff
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virtual ~ios_base(); // destroy the object
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static bool __cdecl sync_with_stdio(bool _Newsync = true)
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{ // set C/C++ synchronization flag from argument
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_Lockit _Lock(_LOCK_STREAM); // lock thread to ensure atomicity
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const bool _Oldsync = _Sync;
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_Sync = _Newsync;
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return (_Oldsync);
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}
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void _Addstd(); // add this to list of standard streams
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protected:
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ios_base()
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: _Stdstr(0)
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{ // default constructor
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}
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void _Init(); // initialize to standard values
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private:
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// STRUCT _Iosarray
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struct _Iosarray
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{ // list element for open-ended sparse array of longs/pointers
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public:
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_Iosarray(int _Idx, _Iosarray *_Link)
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: _Next(_Link), _Index(_Idx), _Lo(0), _Vp(0)
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{ // construct node for index _Idx and link it in
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}
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_Iosarray *_Next; // pointer to next node
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int _Index; // index of this node
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long _Lo; // stored long value
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void *_Vp; // stored pointer value
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};
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// STRUCT _Fnarray
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struct _Fnarray
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{ // list element for open-ended sparse array of event handlers
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_Fnarray(int _Idx, event_callback _Pnew, _Fnarray *_Link)
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: _Next(_Link), _Index(_Idx), _Pfn(_Pnew)
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{ // construct node for index _Idx and link it in
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}
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_Fnarray *_Next; // pointer to next node
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int _Index; // index of this node
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event_callback _Pfn; // pointer to event handler
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};
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void _Callfns(event); // call all event handlers, reporting event
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_Iosarray& _Findarr(int); // find an array element
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void _Tidy(); // free allocated storage
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iostate _Mystate; // stream state
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iostate _Except; // exception mask
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fmtflags _Fmtfl; // format flags
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streamsize _Prec; // field precision
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streamsize _Wide; // field width
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_Iosarray *_Arr; // pointer to first node of long/pointer array
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_Fnarray *_Calls; // pointer to first node of call list
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locale *_Ploc; // pointer to locale
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size_t _Stdstr; // if > 0 index of standard stream to suppress destruction
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static int _Index; // source of unique indexes for long/pointer array
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static bool _Sync; // C/C++ synchronization flag (ignored)
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};
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_BITMASK_OPS(ios_base::_Fmtflags)
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_BITMASK_OPS(ios_base::_Iostate)
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_BITMASK_OPS(ios_base::_Openmode)
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_BITMASK_OPS(ios_base::_Seekdir)
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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 /* _XIOSBASE_ */
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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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