189 lines
6.1 KiB
C
189 lines
6.1 KiB
C
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/***
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*istream.h - definitions/declarations for the istream class
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*
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* Copyright (c) 1990-2000, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file defines the classes, values, macros, and functions
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* used by the istream class.
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* [AT&T C++]
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*
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* [Public]
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*
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****/
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifdef __cplusplus
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#ifndef _INC_ISTREAM
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#define _INC_ISTREAM
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#if !defined(_WIN32)
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#error ERROR: Only Win32 target supported!
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#endif
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#ifdef _MSC_VER
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// Currently, all MS C compilers for Win32 platforms default to 8 byte
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// alignment.
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#pragma pack(push,8)
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#include <useoldio.h>
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#endif // _MSC_VER
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/* Define _CRTIMP */
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#ifndef _CRTIMP
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#ifdef _DLL
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#define _CRTIMP __declspec(dllimport)
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#else /* ndef _DLL */
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#define _CRTIMP
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#endif /* _DLL */
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#endif /* _CRTIMP */
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#include <ios.h>
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#ifdef _MSC_VER
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// C4069: "long double != double"
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#pragma warning(disable:4069) // disable C4069 warning
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// #pragma warning(default:4069) // use this to reenable, if desired
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// C4514: "unreferenced inline function has been removed"
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#pragma warning(disable:4514) // disable C4514 warning
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// #pragma warning(default:4514) // use this to reenable, if desired
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#endif // _MSC_VER
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typedef long streamoff, streampos;
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class _CRTIMP istream : virtual public ios {
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public:
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istream(streambuf*);
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virtual ~istream();
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int ipfx(int =0);
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void isfx() { unlockbuf(); unlock(); }
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inline istream& operator>>(istream& (__cdecl * _f)(istream&));
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inline istream& operator>>(ios& (__cdecl * _f)(ios&));
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istream& operator>>(char *);
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inline istream& operator>>(unsigned char *);
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inline istream& operator>>(signed char *);
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istream& operator>>(char &);
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inline istream& operator>>(unsigned char &);
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inline istream& operator>>(signed char &);
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istream& operator>>(short &);
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istream& operator>>(unsigned short &);
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istream& operator>>(int &);
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istream& operator>>(unsigned int &);
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istream& operator>>(long &);
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istream& operator>>(unsigned long &);
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istream& operator>>(float &);
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istream& operator>>(double &);
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istream& operator>>(long double &);
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istream& operator>>(streambuf*);
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int get();
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inline istream& get( char *,int,char ='\n');
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inline istream& get(unsigned char *,int,char ='\n');
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inline istream& get( signed char *,int,char ='\n');
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istream& get(char &);
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inline istream& get(unsigned char &);
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inline istream& get( signed char &);
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istream& get(streambuf&,char ='\n');
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inline istream& getline( char *,int,char ='\n');
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inline istream& getline(unsigned char *,int,char ='\n');
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inline istream& getline( signed char *,int,char ='\n');
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inline istream& ignore(int =1,int =EOF);
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istream& read(char *,int);
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inline istream& read(unsigned char *,int);
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inline istream& read(signed char *,int);
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int gcount() const { return x_gcount; }
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int peek();
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istream& putback(char);
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int sync();
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istream& seekg(streampos);
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istream& seekg(streamoff,ios::seek_dir);
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streampos tellg();
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void eatwhite();
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protected:
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istream();
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istream(const istream&); // treat as private
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istream& operator=(streambuf* _isb); // treat as private
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istream& operator=(const istream& _is) { return operator=(_is.rdbuf()); }
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istream& get(char *, int, int);
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int do_ipfx(int);
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private:
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istream(ios&);
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int getint(char *);
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int getdouble(char *, int);
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int _fGline;
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int x_gcount;
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};
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inline istream& istream::operator>>(istream& (__cdecl * _f)(istream&)) { (*_f)(*this); return *this; }
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inline istream& istream::operator>>(ios& (__cdecl * _f)(ios&)) { (*_f)(*this); return *this; }
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inline istream& istream::operator>>(unsigned char * _s) { return operator>>((char *)_s); }
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inline istream& istream::operator>>( signed char * _s) { return operator>>((char *)_s); }
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inline istream& istream::operator>>(unsigned char & _c) { return operator>>((char &) _c); }
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inline istream& istream::operator>>( signed char & _c) { return operator>>((char &) _c); }
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inline istream& istream::get( char * _b, int _lim, char _delim) { return get( _b, _lim, (int)(unsigned char)_delim); }
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inline istream& istream::get(unsigned char * _b, int _lim, char _delim) { return get((char *)_b, _lim, (int)(unsigned char)_delim); }
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inline istream& istream::get(signed char * _b, int _lim, char _delim) { return get((char *)_b, _lim, (int)(unsigned char)_delim); }
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inline istream& istream::get(unsigned char & _c) { return get((char &)_c); }
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inline istream& istream::get( signed char & _c) { return get((char &)_c); }
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inline istream& istream::getline( char * _b,int _lim,char _delim) { lock(); _fGline++; get( _b, _lim, (int)(unsigned char)_delim); unlock(); return *this; }
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inline istream& istream::getline(unsigned char * _b,int _lim,char _delim) { lock(); _fGline++; get((char *)_b, _lim, (int)(unsigned char)_delim); unlock(); return *this; }
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inline istream& istream::getline( signed char * _b,int _lim,char _delim) { lock(); _fGline++; get((char *)_b, _lim, (int)(unsigned char)_delim); unlock(); return *this; }
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inline istream& istream::ignore(int _n,int _delim) { lock(); _fGline++; get((char *)0, _n+1, _delim); unlock(); return *this; }
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inline istream& istream::read(unsigned char * _ptr, int _n) { return read((char *) _ptr, _n); }
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inline istream& istream::read( signed char * _ptr, int _n) { return read((char *) _ptr, _n); }
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class _CRTIMP istream_withassign : public istream {
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public:
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istream_withassign();
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istream_withassign(streambuf*);
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~istream_withassign();
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istream& operator=(const istream& _is) { return istream::operator=(_is); }
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istream& operator=(streambuf* _isb) { return istream::operator=(_isb); }
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};
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extern _CRTIMP istream_withassign cin;
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inline _CRTIMP istream& __cdecl ws(istream& _ins) { _ins.eatwhite(); return _ins; }
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_CRTIMP ios& __cdecl dec(ios&);
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_CRTIMP ios& __cdecl hex(ios&);
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_CRTIMP ios& __cdecl oct(ios&);
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#ifdef _MSC_VER
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// Restore default packing
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#pragma pack(pop)
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#endif // _MSC_VER
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#endif // _INC_ISTREAM
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#endif /* __cplusplus */
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