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Diffstat (limited to 'private/crt32/h/istream.h')
| -rw-r--r-- | private/crt32/h/istream.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/private/crt32/h/istream.h b/private/crt32/h/istream.h new file mode 100644 index 000000000..b881e9181 --- /dev/null +++ b/private/crt32/h/istream.h @@ -0,0 +1,165 @@ +/*** +*istream.h - definitions/declarations for the istream class +* +* Copyright (c) 1990-1993, Microsoft Corporation. All rights reserved. +* +*Purpose: +* This file defines the classes, values, macros, and functions +* used by the istream class. +* [AT&T C++] +* +*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. +* +****/ + +#ifndef _INC_ISTREAM +#define _INC_ISTREAM + +#include <ios.h> + +// 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 + +// C4103 : "used #pragma pack to change alignment" +#pragma warning(disable:4103) // disable C4103 warning +// #pragma warning(default:4103) // use this to reenable, if desired + +// Force word packing to avoid possible -Zp override +#pragma pack(4) + +#ifndef _INTERNAL_IFSTRIP_ +#ifdef COMBOINC +#if defined(_DLL) && !defined(MTHREAD) +#error Cannot define _DLL without MTHREAD +#endif +#endif + +#endif /* !_INTERNAL_IFSTRIP_ */ + +typedef long streamoff, streampos; + +class istream : virtual public ios { + +public: + istream(streambuf*); + virtual ~istream(); + + int ipfx(int =0); + void isfx() { unlockbuf(); unlock(); } + + inline istream& operator>>(istream& (*_f)(istream&)); + inline istream& operator>>(ios& (*_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& (*_f)(istream&)) { (*_f)(*this); return *this; } + inline istream& istream::operator>>(ios& (*_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 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 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 // !_INC_ISTREAM |