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/***
*istream.h - definitions/declarations for the istream class** Copyright (c) 1990-1994, 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
/* Define _CRTIMP */
#ifndef _CRTIMP
#ifdef _NTSDK
/* definition compatible with NT SDK */#define _CRTIMP
#else /* ndef _NTSDK */
/* current definition */#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* _NTSDK */
#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
// C4505: "unreferenced local function has been removed"
#pragma warning(disable:4505) // disable C4505 warning
// #pragma warning(default:4505) // use this to reenable, if desired
// Force word packing to avoid possible -Zp override
#pragma pack(push,4)
#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(); 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(); // 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 *); 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(unsigned char * _b, int _lim, char _delim) { return get((char *)_b, _lim, _delim); } inline istream& istream::get(signed char * _b, int _lim, char _delim) { return get((char *)_b, _lim, _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, _delim); unlock(); return *this; } inline istream& istream::getline(unsigned char * _b,int _lim,char _delim) { lock(); _fGline++; get((char *)_b, _lim, _delim); unlock(); return *this; } inline istream& istream::getline(signed char * _b,int _lim,char _delim) { lock(); _fGline++; get((char *)_b, _lim, _delim); unlock(); return *this; }
inline istream& istream::ignore(int _n,int _delim) { lock(); _fGline++; return get((char *)0, _n+1, (char)_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); }};
#ifndef _WINDLL // Warning! Not available under Windows without QuickWin:
extern _CRTIMP istream_withassign cin;#endif
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
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