C语言头文件 ISTREAM.H

/*** *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 */