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- /***
- *istream.h - definitions/declarations for the istream class
- *
- * Copyright (c) 1990-1997, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * This file defines the classes, values, macros, and functions
- * used by the istream class.
- * [AT&T C++]
- *
- * [Public]
- *
- ****/
-
- #if _MSC_VER > 1000
- #pragma once
- #endif
-
- #ifdef __cplusplus
-
- #ifndef _INC_ISTREAM
- #define _INC_ISTREAM
-
- #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 */
-
-
- #include <ios.h>
-
- #ifdef _MSC_VER
- // C4069: "long double != double"
- #pragma warning(disable:4069) // disable C4069 warning
- // #pragma warning(default:4069) // use this to reenable, if desired
-
- // 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
-
-
- typedef long streamoff, streampos;
-
- class _CRTIMP istream : virtual public ios {
-
- public:
- istream(streambuf*);
- virtual ~istream();
-
- int ipfx(int =0);
- void isfx() { unlockbuf(); unlock(); }
-
- inline istream& operator>>(istream& (__cdecl * _f)(istream&));
- inline istream& operator>>(ios& (__cdecl * _f)(ios&));
- istream& operator>>(char *);
- inline istream& operator>>(unsigned char *);
- inline istream& operator>>(signed char *);
- istream& operator>>(char &);
- inline istream& operator>>(unsigned char &);
- inline istream& operator>>(signed char &);
- istream& operator>>(short &);
- istream& operator>>(unsigned short &);
- istream& operator>>(int &);
- istream& operator>>(unsigned int &);
- istream& operator>>(long &);
- istream& operator>>(unsigned long &);
- istream& operator>>(float &);
- istream& operator>>(double &);
- istream& operator>>(long double &);
- istream& operator>>(streambuf*);
-
- int get();
-
- inline istream& get( char *,int,char ='\n');
- inline istream& get(unsigned char *,int,char ='\n');
- inline istream& get( signed char *,int,char ='\n');
-
- istream& get(char &);
- inline istream& get(unsigned char &);
- inline istream& get( signed char &);
-
- istream& get(streambuf&,char ='\n');
- inline istream& getline( char *,int,char ='\n');
- inline istream& getline(unsigned char *,int,char ='\n');
- inline istream& getline( signed char *,int,char ='\n');
-
- inline istream& ignore(int =1,int =EOF);
- istream& read(char *,int);
- inline istream& read(unsigned char *,int);
- inline istream& read(signed char *,int);
-
- int gcount() const { return x_gcount; }
- int peek();
- istream& putback(char);
- int sync();
-
- istream& seekg(streampos);
- istream& seekg(streamoff,ios::seek_dir);
- streampos tellg();
-
- void eatwhite();
-
- protected:
- istream();
- istream(const istream&); // treat as private
- istream& operator=(streambuf* _isb); // treat as private
- istream& operator=(const istream& _is) { return operator=(_is.rdbuf()); }
- istream& get(char *, int, int);
- int do_ipfx(int);
-
- private:
- istream(ios&);
- int getint(char *);
- int getdouble(char *, int);
- int _fGline;
- int x_gcount;
- };
-
- inline istream& istream::operator>>(istream& (__cdecl * _f)(istream&)) { (*_f)(*this); return *this; }
- inline istream& istream::operator>>(ios& (__cdecl * _f)(ios&)) { (*_f)(*this); return *this; }
-
- inline istream& istream::operator>>(unsigned char * _s) { return operator>>((char *)_s); }
- inline istream& istream::operator>>( signed char * _s) { return operator>>((char *)_s); }
-
- inline istream& istream::operator>>(unsigned char & _c) { return operator>>((char &) _c); }
- inline istream& istream::operator>>( signed char & _c) { return operator>>((char &) _c); }
-
- inline istream& istream::get( char * _b, int _lim, char _delim) { return get( _b, _lim, (int)(unsigned char)_delim); }
- inline istream& istream::get(unsigned char * _b, int _lim, char _delim) { return get((char *)_b, _lim, (int)(unsigned char)_delim); }
- inline istream& istream::get(signed char * _b, int _lim, char _delim) { return get((char *)_b, _lim, (int)(unsigned char)_delim); }
-
- inline istream& istream::get(unsigned char & _c) { return get((char &)_c); }
- inline istream& istream::get( signed char & _c) { return get((char &)_c); }
-
- inline istream& istream::getline( char * _b,int _lim,char _delim) { lock(); _fGline++; get( _b, _lim, (int)(unsigned char)_delim); unlock(); return *this; }
- inline istream& istream::getline(unsigned char * _b,int _lim,char _delim) { lock(); _fGline++; get((char *)_b, _lim, (int)(unsigned char)_delim); unlock(); return *this; }
- inline istream& istream::getline( signed char * _b,int _lim,char _delim) { lock(); _fGline++; get((char *)_b, _lim, (int)(unsigned char)_delim); unlock(); return *this; }
-
- inline istream& istream::ignore(int _n,int _delim) { lock(); _fGline++; get((char *)0, _n+1, _delim); unlock(); return *this; }
-
- inline istream& istream::read(unsigned char * _ptr, int _n) { return read((char *) _ptr, _n); }
- inline istream& istream::read( signed char * _ptr, int _n) { return read((char *) _ptr, _n); }
-
- class _CRTIMP istream_withassign : public istream {
- public:
- istream_withassign();
- istream_withassign(streambuf*);
- ~istream_withassign();
- istream& operator=(const istream& _is) { return istream::operator=(_is); }
- istream& operator=(streambuf* _isb) { return istream::operator=(_isb); }
- };
-
- extern _CRTIMP istream_withassign cin;
-
- inline _CRTIMP istream& __cdecl ws(istream& _ins) { _ins.eatwhite(); return _ins; }
-
- _CRTIMP ios& __cdecl dec(ios&);
- _CRTIMP ios& __cdecl hex(ios&);
- _CRTIMP ios& __cdecl oct(ios&);
-
- #ifdef _MSC_VER
- // Restore default packing
- #pragma pack(pop)
- #endif // _MSC_VER
-
- #endif // _INC_ISTREAM
-
- #endif /* __cplusplus */
-