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- /***
- *istream.h - definitions/declarations for the istream class
- *
- * Copyright (c) 1990-1992, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * This file defines the classes, values, macros, and functions
- * used by the istream class.
- * [AT&T C++]
- *
- ****/
-
- #ifndef _INC_ISTREAM
- #define _INC_ISTREAM
-
- #include <ios.h>
-
- // Force word packing to avoid possible -Zp override
- #pragma pack(2)
-
- #pragma warning(disable:4505) // disable unwanted /W4 warning
- // #pragma warning(default:4505) // use this to reenable, if necessary
-
-
- #ifdef M_I86HM
- #define _HFAR_ __far
- #else
- #define _HFAR_
- #endif
-
- typedef long streamoff, streampos;
-
- class istream : virtual public ios {
-
- public:
- istream(streambuf*);
- virtual ~istream();
-
- int ipfx(int =0);
- void isfx() { }
-
- inline istream& operator>>(istream& (*_f)(istream&));
- inline istream& operator>>(ios& (*_f)(ios&));
- istream& operator>>(char _HFAR_ *);
- inline istream& operator>>(unsigned char _HFAR_ *);
- inline istream& operator>>(signed char _HFAR_ *);
- istream& operator>>(char _HFAR_ &);
- inline istream& operator>>(unsigned char _HFAR_ &);
- inline istream& operator>>(signed char _HFAR_ &);
- istream& operator>>(short _HFAR_ &);
- istream& operator>>(unsigned short _HFAR_ &);
- istream& operator>>(int _HFAR_ &);
- istream& operator>>(unsigned int _HFAR_ &);
- istream& operator>>(long _HFAR_ &);
- istream& operator>>(unsigned long _HFAR_ &);
- istream& operator>>(float _HFAR_ &);
- istream& operator>>(double _HFAR_ &);
- istream& operator>>(long double _HFAR_ &);
- istream& operator>>(streambuf*);
-
- int get();
- istream& get(char _HFAR_ *,int,char ='\n');
- inline istream& get(unsigned char _HFAR_ *,int,char ='\n');
- inline istream& get(signed char _HFAR_ *,int,char ='\n');
- istream& get(char _HFAR_ &);
- inline istream& get(unsigned char _HFAR_ &);
- inline istream& get(signed char _HFAR_ &);
- istream& get(streambuf&,char ='\n');
- inline istream& getline(char _HFAR_ *,int,char ='\n');
- inline istream& getline(unsigned char _HFAR_ *,int,char ='\n');
- inline istream& getline(signed char _HFAR_ *,int,char ='\n');
-
- inline istream& ignore(int =1,int =EOF);
- istream& read(char _HFAR_ *,int);
- inline istream& read(unsigned char _HFAR_ *,int);
- inline istream& read(signed char _HFAR_ *,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(); // consider: protect and friend with manipulator ws
- protected:
- istream();
- istream(const istream&); // treat as private
- istream& operator=(streambuf* _isb); // treat as private
- istream& operator=(const istream& _is) { return operator=(_is.rdbuf()); }
- int do_ipfx(int);
-
- private:
- istream(ios&);
- int getint(char _HFAR_ *);
- int getdouble(char _HFAR_ *, int);
- int _fGline;
- int x_gcount;
- };
-
- inline istream& istream::operator>>(istream& (*_f)(istream&)) { (*_f)(*this); return *this; }
- inline istream& istream::operator>>(ios& (*_f)(ios&)) { (*_f)(*this); return *this; }
-
- inline istream& istream::operator>>(unsigned char _HFAR_ * _s) { return operator>>((char _HFAR_ *)_s); }
- inline istream& istream::operator>>(signed char _HFAR_ * _s) { return operator>>((char _HFAR_ *)_s); }
-
- inline istream& istream::operator>>(unsigned char _HFAR_ & _c) { return operator>>((char _HFAR_ &) _c); }
- inline istream& istream::operator>>(signed char _HFAR_ & _c) { return operator>>((char _HFAR_ &) _c); }
-
- inline istream& istream::get(unsigned char _HFAR_ * b, int lim ,char delim) { return get((char _HFAR_ *)b, lim, delim); }
- inline istream& istream::get(signed char _HFAR_ * b, int lim, char delim) { return get((char _HFAR_ *)b, lim, delim); }
-
- inline istream& istream::get(unsigned char _HFAR_ & _c) { return get((char _HFAR_ &)_c); }
- inline istream& istream::get(signed char _HFAR_ & _c) { return get((char _HFAR_ &)_c); }
-
- inline istream& istream::getline(char _HFAR_ * _b,int _lim,char _delim) { _fGline++; return get(_b, _lim, _delim); }
- inline istream& istream::getline(unsigned char _HFAR_ * _b,int _lim,char _delim) { _fGline++; return get((char _HFAR_ *)_b, _lim, _delim); }
- inline istream& istream::getline(signed char _HFAR_ * _b,int _lim,char _delim) { _fGline++; return get((char _HFAR_ *)_b, _lim, _delim); }
-
- inline istream& istream::ignore(int _n,int delim) { _fGline++; return get((char _HFAR_ *)0, _n+1, (char)delim); }
-
- inline istream& istream::read(unsigned char _HFAR_ * _ptr, int _n) { return read((char _HFAR_ *) _ptr, _n); }
- inline istream& istream::read(signed char _HFAR_ * _ptr, int _n) { return read((char _HFAR_ *) _ptr, _n); }
-
- class 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); }
- };
-
- #ifndef _WINDLL
- extern istream_withassign cin;
- #endif
-
- inline istream& ws(istream& _ins) { _ins.eatwhite(); return _ins; }
-
- ios& dec(ios&);
- ios& hex(ios&);
- ios& oct(ios&);
-
- // Restore default packing
- #pragma pack()
-
- #endif
-