249 lines
7.6 KiB
C++
249 lines
7.6 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
|
|
|
|
// ------------------------------------------------------------------
|
|
// The Goldware Library
|
|
// Copyright (C) 1990-1999 Odinn Sorensen
|
|
// Copyright (C) 1999-2000 Alexander S. Aganichev
|
|
// ------------------------------------------------------------------
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Library General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Library General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Library General Public
|
|
// License along with this program; if not, write to the Free
|
|
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
// MA 02111-1307, USA
|
|
// ------------------------------------------------------------------
|
|
// $Id$
|
|
// ------------------------------------------------------------------
|
|
// File I/O class.
|
|
// ------------------------------------------------------------------
|
|
|
|
#ifndef __gfilbase_h
|
|
#define __gfilbase_h
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
#include <gfilutil.h>
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
// An invalid path/filename
|
|
|
|
#define GFILE_INVALID "::INVALID::"
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
// Stream/Unix-style file I/O class
|
|
|
|
class gfile {
|
|
|
|
public:
|
|
|
|
// ----------------------------------------------------------------
|
|
// Internal variables
|
|
|
|
int fh; // File handle for Unix I/O
|
|
FILE* fp; // File pointer for ANSI stream I/O
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// State variables
|
|
|
|
int status; // Contains last errno value
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// Handy utility functions
|
|
|
|
int okay(); // Returns non-zero if no errors were detected
|
|
int isopen(); // true if the file is open
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// Constructors and destructor
|
|
|
|
gfile(); // Bare constructor
|
|
gfile(int __fh); // Construct from Unix file handle
|
|
gfile(FILE* __fp); // Construct from ANSI stream pointer
|
|
gfile(const char* __path, int __access, int __shflag=SH_DENYNO, int __mode=S_IREAD|S_IWRITE);
|
|
gfile(const char* __path, const char* __mode, int __shflag=SH_DENYNO);
|
|
|
|
~gfile(); // Destructor (closes file)
|
|
|
|
operator bool() { return isopen() ? true : false; }
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// Set file handle or stream pointer
|
|
|
|
int setfh(int __fh);
|
|
FILE* setfp(FILE* __fp);
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// UNIX-style raw I/O
|
|
|
|
int open (const char* __path, int __access, int __shflag=SH_DENYNO, int __mode=S_IREAD|S_IWRITE);
|
|
int open (const char* __path, int __access, char* __fmode, int __shflag=SH_DENYNO, int __mode=S_IREAD|S_IWRITE);
|
|
int close ();
|
|
|
|
int read (void* __ptr, size_t __len);
|
|
int write (void* __ptr, size_t __len);
|
|
|
|
long tell ();
|
|
long lseek (long __offset, int __direction);
|
|
long lseek (long __record, long __recordsize, int __direction);
|
|
long lseekset (long __record, long __recordsize=1);
|
|
|
|
long filelength ();
|
|
|
|
int chsize (long __size);
|
|
|
|
int lock (long __offset, long __len);
|
|
int unlock (long __offset, long __len);
|
|
|
|
int getftime (dword* __ftime);
|
|
|
|
int eof ();
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// ANSI-style streaming buffered I/O
|
|
|
|
FILE* fopen (const char* __path, const char* __mode, int __shflag=SH_DENYNO);
|
|
FILE* fopen (const std::string& __path, const char* __mode, int __shflag=SH_DENYNO);
|
|
FILE* fdopen (char* __mode);
|
|
int fclose ();
|
|
|
|
size_t fread (void* __ptr, size_t __size, size_t __items=1);
|
|
size_t fwrite (const void* __ptr, size_t __size, size_t __items=1);
|
|
|
|
int fgetc ();
|
|
int fputc (int __ch);
|
|
|
|
char* fgets (char* __str, size_t __len);
|
|
int fputs (const char* __str);
|
|
|
|
int printf (const char* __format, ...) __attribute__ ((format (printf, 2, 3)));
|
|
|
|
int fflush ();
|
|
|
|
long ftell ();
|
|
int fseek (long __offset, int __direction);
|
|
int fseek (long __record, long __recordsize, int __direction);
|
|
int fseekset(long __record, long __recordsize=1);
|
|
|
|
void rewind ();
|
|
|
|
int setvbuf (char* __buf=NULL, int __type=_IOFBF, size_t __size=8192);
|
|
int setvbuf (size_t __size) { return setvbuf(NULL, _IOFBF, __size); }
|
|
|
|
int feof_ ();
|
|
int ferror_ ();
|
|
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
#ifdef __GOLDWARE_HAS_BOOL
|
|
gfile& operator>> (bool& i);
|
|
#endif
|
|
gfile& operator>> (unsigned char& i);
|
|
gfile& operator>> (unsigned short& i);
|
|
gfile& operator>> (unsigned int& i);
|
|
gfile& operator>> (unsigned long& i);
|
|
gfile& operator>> (char& i) { return operator>>((unsigned char&)i); }
|
|
gfile& operator>> (signed char& i) { return operator>>((unsigned char&)i); }
|
|
gfile& operator>> (short& i) { return operator>>((unsigned short&)i); }
|
|
gfile& operator>> (int& i) { return operator>>((unsigned int&)i); }
|
|
gfile& operator>> (long& i) { return operator>>((unsigned long&)i); }
|
|
|
|
#ifdef __GOLDWARE_HAS_BOOL
|
|
gfile& operator<< (bool o);
|
|
#endif
|
|
gfile& operator<< (unsigned char o);
|
|
gfile& operator<< (unsigned short o);
|
|
gfile& operator<< (unsigned int o);
|
|
gfile& operator<< (unsigned long o);
|
|
gfile& operator<< (char o) { return operator<<((unsigned char)o); }
|
|
gfile& operator<< (signed char o) { return operator<<((unsigned char)o); }
|
|
gfile& operator<< (short o) { return operator<<((unsigned short)o); }
|
|
gfile& operator<< (int o) { return operator<<((unsigned int)o); }
|
|
gfile& operator<< (long o) { return operator<<((unsigned long)o); }
|
|
|
|
};
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
// Inline implementations
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
inline long gfile::lseek(long __record, long __recordsize, int __direction) {
|
|
|
|
return lseek(__record*__recordsize, __direction);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
inline long gfile::lseekset(long __record, long __recordsize) {
|
|
|
|
return lseek(__record*__recordsize, SEEK_SET);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
inline int gfile::ferror_() {
|
|
|
|
return ferror(fp);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
inline int gfile::fseek(long __record, long __recordsize, int __direction) {
|
|
|
|
return fseek(__record*__recordsize, __direction);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
inline int gfile::fseekset(long __record, long __recordsize) {
|
|
|
|
return fseek(__record*__recordsize, SEEK_SET);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
inline void gfile::rewind() {
|
|
|
|
::rewind(fp);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
inline int gfile::feof_() {
|
|
|
|
return feof(fp);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
#endif
|
|
|
|
// ------------------------------------------------------------------
|