|
|
/***
*istream.h - definitions/declarations for the istream class** Copyright (c) 1990-2001, Microsoft Corporation. All rights reserved.**Purpose:* This file defines the classes, values, macros, and functions* used by the istream class.* [AT&T C++]** [Public]**Revision History:* 01-23-92 KRS Ported from 16-bit version.* 02-23-93 SKS Update copyright to 1993* 03-23-93 CFW Modified #pragma warnings.* 05-10-93 CFW Enable operator<<(long double)* 05-11-93 CFW Add _CRTIMP directive to class definition.* 09-01-93 GJF Merged Cuda and NT SDK versions.* 10-13-93 GJF Deleted obsolete COMBOINC check. Enclose #pragma-s* in #ifdef _MSC_VER* 04-12-94 SKS Add __cdecl keyword to dec/hex/oct functions and* operator >>. Add underscores to some parameter names.* 05-24-94 GJF Added definition of MAXLONGSIZ for internal use.* 06-06-94 CFW Fix ignore, bad return.* 08-12-94 GJF Disable warning 4514 instead of 4505.* 11-03-94 GJF Changed pack pragma to 8 byte alignment.* 01-26-95 CFW Removed QWIN ifdef.* 02-11-95 CFW Add _CRTBLD to avoid users getting wrong headers.* 02-14-95 CFW Clean up Mac merge.* 05-11-95 CFW Only for use by C++ programs.* 05-24-95 CFW Support for ignore(.., 0xFF).* 06-21-95 CFW Add inline support for ignore(.., 0xFF).* 07-07-95 CFW Fix ambiguous get.* 07-17-95 CFW Make get(char*,int,int) protected.* 12-14-95 JWM Add "#pragma once".* 04-09-96 SKS Change _CRTIMP to _CRTIMP1 for special iostream build* 04-15-96 JWM Remove _OLD_IOSTREAMS, add '#pragma comment(lib,"cirt")'.* 04-16-96 JWM '#include useoldio.h' replaces '#pragma comment(...)'.* 02-24-97 GJF Cleaned out obsolete support for _NTSDK. Also,* detab-ed.* 05-17-99 PML Remove all Macintosh support.*****/
#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
#pragma once
#endif
#ifdef __cplusplus
#ifndef _INC_ISTREAM
#define _INC_ISTREAM
#if !defined(_WIN32)
#error ERROR: Only Win32 target supported!
#endif
#ifndef _CRTBLD
/* This version of the header files is NOT for user programs.
* It is intended for use when building the C runtimes ONLY. * The version intended for public use will not have this message. */#error ERROR: Use of C runtime library internal header file.
#endif /* _CRTBLD */
#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 CRTDLL
#define _CRTIMP __declspec(dllexport)
#else /* ndef CRTDLL */
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* CRTDLL */
#endif /* _CRTIMP */
#ifndef _INTERNAL_IFSTRIP_
/* Define _CRTIMP1 */
#ifndef _CRTIMP1
#ifdef CRTDLL1
#define _CRTIMP1 __declspec(dllexport)
#else /* ndef CRTDLL1 */
#define _CRTIMP1 _CRTIMP
#endif /* CRTDLL1 */
#endif /* _CRTIMP1 */
#endif /* _INTERNAL_IFSTRIP_ */
#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
#ifndef _INTERNAL_IFSTRIP_
#define MAXLONGSIZ 16
#endif /* _INTERNAL_IFSTRIP_ */
typedef long streamoff, streampos;
class _CRTIMP1 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 _CRTIMP1 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 _CRTIMP1 istream_withassign cin;
inline _CRTIMP1 istream& __cdecl ws(istream& _ins) { _ins.eatwhite(); return _ins; }
_CRTIMP1 ios& __cdecl dec(ios&);_CRTIMP1 ios& __cdecl hex(ios&);_CRTIMP1 ios& __cdecl oct(ios&);
#ifdef _MSC_VER
// Restore default packing
#pragma pack(pop)
#endif // _MSC_VER
#endif // _INC_ISTREAM
#endif /* __cplusplus */
|
