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- /***
- *ios.h - definitions/declarations for the ios class.
- *
- * Copyright (c) 1990-1997, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * This file defines the classes, values, macros, and functions
- * used by the ios class.
- * [AT&T C++]
- *
- * [Public]
- *
- ****/
-
- #if _MSC_VER > 1000
- #pragma once
- #endif
-
- #ifdef __cplusplus
-
- #ifndef _INC_IOS
- #define _INC_IOS
-
- #if !defined(_WIN32) && !defined(_MAC)
- #error ERROR: Only Mac or Win32 targets supported!
- #endif
-
-
- #ifdef _MSC_VER
- // Currently, all MS C compilers for Win32 platforms default to 8 byte
- // alignment.
- #pragma pack(push,8)
-
- #include <useoldio.h>
-
- #endif // _MSC_VER
-
- /* Define _CRTIMP */
-
- #ifndef _CRTIMP
- #ifdef _DLL
- #define _CRTIMP __declspec(dllimport)
- #else /* ndef _DLL */
- #define _CRTIMP
- #endif /* _DLL */
- #endif /* _CRTIMP */
-
-
- #ifdef _MT
-
- typedef struct __CRT_LIST_ENTRY {
- struct __CRT_LIST_ENTRY *Flink;
- struct __CRT_LIST_ENTRY *Blink;
- } _CRT_LIST_ENTRY;
-
- typedef struct _CRT_CRITICAL_SECTION_DEBUG {
- unsigned short Type;
- unsigned short CreatorBackTraceIndex;
- struct _CRT_CRITICAL_SECTION *CriticalSection;
- _CRT_LIST_ENTRY ProcessLocksList;
- unsigned long EntryCount;
- unsigned long ContentionCount;
- unsigned long Depth;
- void * OwnerBackTrace[ 5 ];
- } _CRT_CRITICAL_SECTION_DEBUG, *_PCRT_CRITICAL_SECTION_DEBUG;
-
- typedef struct _CRT_CRITICAL_SECTION {
- _PCRT_CRITICAL_SECTION_DEBUG DebugInfo;
-
- //
- // The following three fields control entering and exiting the critical
- // section for the resource
- //
-
- long LockCount;
- long RecursionCount;
- void * OwningThread; // from the thread's ClientId->UniqueThread
- void * LockSemaphore;
- unsigned long Reserved;
- } _CRT_CRITICAL_SECTION, *_PCRT_CRITICAL_SECTION;
-
- extern "C" {
- _CRTIMP void __cdecl _mtlock(_PCRT_CRITICAL_SECTION);
- _CRTIMP void __cdecl _mtunlock(_PCRT_CRITICAL_SECTION);
- }
-
- #endif /* _MT */
-
- #ifndef NULL
- #define NULL 0
- #endif
-
- #ifndef EOF
- #define EOF (-1)
- #endif
-
- #ifdef _MSC_VER
- // C4514: "unreferenced inline function has been removed"
- #pragma warning(disable:4514) // disable C4514 warning
- // #pragma warning(default:4514) // use this to reenable, if desired
- #endif // _MSC_VER
-
- class _CRTIMP streambuf;
- class _CRTIMP ostream;
-
- class _CRTIMP ios {
-
- public:
- enum io_state { goodbit = 0x00,
- eofbit = 0x01,
- failbit = 0x02,
- badbit = 0x04 };
-
- enum open_mode { in = 0x01,
- out = 0x02,
- ate = 0x04,
- app = 0x08,
- trunc = 0x10,
- nocreate = 0x20,
- noreplace = 0x40,
- binary = 0x80 };
-
- enum seek_dir { beg=0, cur=1, end=2 };
-
- enum { skipws = 0x0001,
- left = 0x0002,
- right = 0x0004,
- internal = 0x0008,
- dec = 0x0010,
- oct = 0x0020,
- hex = 0x0040,
- showbase = 0x0080,
- showpoint = 0x0100,
- uppercase = 0x0200,
- showpos = 0x0400,
- scientific = 0x0800,
- fixed = 0x1000,
- unitbuf = 0x2000,
- stdio = 0x4000
- };
-
- static const long basefield; // dec | oct | hex
- static const long adjustfield; // left | right | internal
- static const long floatfield; // scientific | fixed
-
- ios(streambuf*); // differs from ANSI
- virtual ~ios();
-
- inline long flags() const;
- inline long flags(long _l);
-
- inline long setf(long _f,long _m);
- inline long setf(long _l);
- inline long unsetf(long _l);
-
- inline int width() const;
- inline int width(int _i);
-
- inline ostream* tie(ostream* _os);
- inline ostream* tie() const;
-
- inline char fill() const;
- inline char fill(char _c);
-
- inline int precision(int _i);
- inline int precision() const;
-
- inline int rdstate() const;
- inline void clear(int _i = 0);
-
- // inline operator void*() const;
- operator void *() const { if(state&(badbit|failbit) ) return 0; return (void *)this; }
- inline int operator!() const;
-
- inline int good() const;
- inline int eof() const;
- inline int fail() const;
- inline int bad() const;
-
- inline streambuf* rdbuf() const;
-
- inline long & iword(int) const;
- inline void * & pword(int) const;
-
- static long bitalloc();
- static int xalloc();
- static void sync_with_stdio();
-
- #ifdef _MT
- inline void __cdecl setlock();
- inline void __cdecl clrlock();
- void __cdecl lock() { if (LockFlg<0) _mtlock(lockptr()); };
- void __cdecl unlock() { if (LockFlg<0) _mtunlock(lockptr()); }
- inline void __cdecl lockbuf();
- inline void __cdecl unlockbuf();
- #else
- void __cdecl lock() { }
- void __cdecl unlock() { }
- void __cdecl lockbuf() { }
- void __cdecl unlockbuf() { }
- #endif
-
- protected:
- ios();
- ios(const ios&); // treat as private
- ios& operator=(const ios&);
- void init(streambuf*);
-
- enum { skipping, tied };
- streambuf* bp;
-
- int state;
- int ispecial; // not used
- int ospecial; // not used
- int isfx_special; // not used
- int osfx_special; // not used
- int x_delbuf; // if set, rdbuf() deleted by ~ios
-
- ostream* x_tie;
- long x_flags;
- int x_precision;
- char x_fill;
- int x_width;
-
- static void (*stdioflush)(); // not used
-
- #ifdef _MT
- static void lockc() { _mtlock(& x_lockc); }
- static void unlockc() { _mtunlock( & x_lockc); }
- _PCRT_CRITICAL_SECTION lockptr() { return & x_lock; }
- #else
- static void lockc() { }
- static void unlockc() { }
- #endif
-
- public:
- int delbuf() const { return x_delbuf; }
- void delbuf(int _i) { x_delbuf = _i; }
-
- private:
- static long x_maxbit;
- static int x_curindex;
- static int sunk_with_stdio; // make sure sync_with done only once
- #ifdef _MT
- #define MAXINDEX 7
- static long x_statebuf[MAXINDEX+1]; // used by xalloc()
- static int fLockcInit; // used to see if x_lockc initialized
- static _CRT_CRITICAL_SECTION x_lockc; // used to lock static (class) data members
- int LockFlg; // enable locking flag
- _CRT_CRITICAL_SECTION x_lock; // used for multi-thread lock on object
- #else
- static long * x_statebuf; // used by xalloc()
- #endif
- };
-
- #include <streamb.h>
-
- inline _CRTIMP ios& __cdecl dec(ios& _strm) { _strm.setf(ios::dec,ios::basefield); return _strm; }
- inline _CRTIMP ios& __cdecl hex(ios& _strm) { _strm.setf(ios::hex,ios::basefield); return _strm; }
- inline _CRTIMP ios& __cdecl oct(ios& _strm) { _strm.setf(ios::oct,ios::basefield); return _strm; }
-
- inline long ios::flags() const { return x_flags; }
- inline long ios::flags(long _l){ long _lO; _lO = x_flags; x_flags = _l; return _lO; }
-
- inline long ios::setf(long _l,long _m){ long _lO; lock(); _lO = x_flags; x_flags = (_l&_m) | (x_flags&(~_m)); unlock(); return _lO; }
- inline long ios::setf(long _l){ long _lO; lock(); _lO = x_flags; x_flags |= _l; unlock(); return _lO; }
- inline long ios::unsetf(long _l){ long _lO; lock(); _lO = x_flags; x_flags &= (~_l); unlock(); return _lO; }
-
- inline int ios::width() const { return x_width; }
- inline int ios::width(int _i){ int _iO; _iO = (int)x_width; x_width = _i; return _iO; }
-
- inline ostream* ios::tie(ostream* _os){ ostream* _osO; _osO = x_tie; x_tie = _os; return _osO; }
- inline ostream* ios::tie() const { return x_tie; }
- inline char ios::fill() const { return x_fill; }
- inline char ios::fill(char _c){ char _cO; _cO = x_fill; x_fill = _c; return _cO; }
- inline int ios::precision(int _i){ int _iO; _iO = (int)x_precision; x_precision = _i; return _iO; }
- inline int ios::precision() const { return x_precision; }
-
- inline int ios::rdstate() const { return state; }
-
- // inline ios::operator void *() const { if(state&(badbit|failbit) ) return 0; return (void *)this; }
- inline int ios::operator!() const { return state&(badbit|failbit); }
-
- inline int ios::bad() const { return state & badbit; }
- inline void ios::clear(int _i){ lock(); state = _i; unlock(); }
- inline int ios::eof() const { return state & eofbit; }
- inline int ios::fail() const { return state & (badbit | failbit); }
- inline int ios::good() const { return state == 0; }
-
- inline streambuf* ios::rdbuf() const { return bp; }
-
- inline long & ios::iword(int _i) const { return x_statebuf[_i] ; }
- inline void * & ios::pword(int _i) const { return (void * &)x_statebuf[_i]; }
-
- #ifdef _MT
- inline void ios::setlock() { LockFlg--; if (bp) bp->setlock(); }
- inline void ios::clrlock() { if (LockFlg <= 0) LockFlg++; if (bp) bp->clrlock(); }
- inline void ios::lockbuf() { bp->lock(); }
- inline void ios::unlockbuf() { bp->unlock(); }
- #endif
-
- #ifdef _MSC_VER
- // Restore default packing
- #pragma pack(pop)
- #endif // _MSC_VER
-
- #endif // _INC_IOS
-
- #endif /* __cplusplus */
-