336 lines
14 KiB
C++
336 lines
14 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 __gfile_h
|
|
#define __gfile_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() { return (0 == status); }
|
|
bool isopen(); // true if the file is open
|
|
// operator bool() { return isopen(); }
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// 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_STDRW);
|
|
gfile(const char* __path, const char* __mode, int __shflag=SH_DENYNO);
|
|
|
|
~gfile(); // Destructor (closes file)
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// 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_STDRW);
|
|
int Open (const char* __path, int __access, const char* __fmode, int __shflag=SH_DENYNO, int __mode=S_STDRW);
|
|
int Close ();
|
|
|
|
int Read (void* __ptr, size_t __len);
|
|
int Write (const void* __ptr, size_t __len);
|
|
|
|
long Tell ();
|
|
long Lseek (long __offset, int __direction);
|
|
long Lseek (long __record, long __recordsize, int __direction) { return Lseek(__record*__recordsize, __direction); }
|
|
long LseekSet (long __record, long __recordsize = 1) { return Lseek(__record*__recordsize, SEEK_SET); }
|
|
|
|
long FileLength ();
|
|
|
|
int ChSize (long __size);
|
|
|
|
int Lock (long __offset, long __len);
|
|
int Unlock (long __offset, long __len);
|
|
|
|
int GetFTime (dword* __ftime);
|
|
|
|
|
|
// --------------------------------------------------------------
|
|
// 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) { return Fopen(__path.c_str(), __mode, __shflag); }
|
|
FILE* Fdopen (const char* __mode);
|
|
int Fclose ();
|
|
|
|
FILE* Popen (const char* __path, const char* __mode);
|
|
FILE* Popen (const std::string& __path, const char* __mode) { return Popen(__path.c_str(), __mode); }
|
|
int Pclose ();
|
|
|
|
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) { return Fseek(__record*__recordsize, __direction); }
|
|
int FseekSet(long __record, long __recordsize = 1) { return Fseek(__record*__recordsize, SEEK_SET); }
|
|
|
|
void Rewind () { rewind(fp); }
|
|
|
|
int SetvBuf (char* __buf=NULL, int __type=_IOFBF, size_t __size=8192);
|
|
int SetvBuf (size_t __size) { return SetvBuf(NULL, _IOFBF, __size); }
|
|
|
|
int feof_ () { return feof(fp); }
|
|
int ferror_ () { return ferror(fp); }
|
|
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
#ifdef __GOLDWARE_HAS_BOOL
|
|
gfile& operator>> (bool& i) { Fread(&i, sizeof(bool)); return *this; }
|
|
#endif
|
|
gfile& operator>> (uint8_t& i) { Fread(&i, sizeof(uint8_t)); return *this; }
|
|
gfile& operator>> (uint16_t& i) { Fread(&i, sizeof(uint16_t)); return *this; }
|
|
gfile& operator>> (uint32_t& i) { Fread(&i, sizeof(uint32_t)); return *this; }
|
|
#if !defined(__CYGWIN__)
|
|
gfile& operator>> (unsigned long& i) { Fread(&i, sizeof(unsigned long)); return *this; }
|
|
#endif
|
|
|
|
gfile& operator>> (char& i) { return operator>>((uint8_t&)i); }
|
|
#if !defined(__SUNOS__)
|
|
gfile& operator>> (int8_t& i) { return operator>>((uint8_t&)i); }
|
|
#endif
|
|
gfile& operator>> (int16_t& i) { return operator>>((uint16_t&)i); }
|
|
gfile& operator>> (int32_t& i) { return operator>>((uint32_t&)i); }
|
|
#if !defined(__CYGWIN__)
|
|
gfile& operator>> (long& i) { return operator>>((unsigned long&)i); }
|
|
#endif
|
|
|
|
#ifdef __GOLDWARE_HAS_BOOL
|
|
gfile& operator<< (bool o) { Fwrite(&o, sizeof(o)); return *this; }
|
|
#endif
|
|
gfile& operator<< (uint8_t o) { Fwrite(&o, sizeof(o)); return *this; }
|
|
gfile& operator<< (uint16_t o) { Fwrite(&o, sizeof(o)); return *this; }
|
|
gfile& operator<< (uint32_t o) { Fwrite(&o, sizeof(o)); return *this; }
|
|
#if !defined(__CYGWIN__)
|
|
gfile& operator<< (unsigned long o) { Fwrite(&o, sizeof(o)); return *this; }
|
|
#endif
|
|
|
|
gfile& operator<< (char o) { return operator<<((uint8_t )o); }
|
|
#if !defined(__SUNOS__)
|
|
gfile& operator<< (int8_t o) { return operator<<((uint8_t )o); }
|
|
#endif
|
|
gfile& operator<< (int16_t o) { return operator<<((uint16_t)o); }
|
|
gfile& operator<< (int32_t o) { return operator<<((uint32_t)o); }
|
|
#if !defined(__CYGWIN__)
|
|
gfile& operator<< (long o) { return operator<<((unsigned long)o); }
|
|
#endif
|
|
};
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
|
|
|
|
// file with ordered data: low byte first
|
|
class gnfile: gfile
|
|
{
|
|
// int Printf (const char* __format, ...) __attribute__ ((format (printf, 2, 3)));
|
|
|
|
|
|
size_t FreadItem (void* __ptr, size_t __size) // Read one item size __size bytes
|
|
{ // please check logic of this function
|
|
uint8_t *c = new uint8_t[__size];
|
|
c[0]=0;
|
|
size_t s = gfile::Fread(c,__size);
|
|
uint32_t v=c[0];
|
|
for( unsigned n=1; n<__size; n++ ) {
|
|
v += uint32_t(c[n])>>(8*n);
|
|
}
|
|
delete(c);
|
|
memmove(&v,__ptr,__size);
|
|
return s;
|
|
}
|
|
|
|
#ifdef __GOLDWARE_HAS_BOOL
|
|
gnfile& operator>> (bool& i) { if( sizeof(bool) ==1 ) Fread(&i, 1);
|
|
else for( size_t c=0; c<sizeof(bool) ){ ((char*)i)[c] = Fgetc(); };
|
|
return *this; }
|
|
#endif
|
|
gnfile& operator>> (uint8_t& i) { Fread(&i, sizeof(uint8_t)); return *this; }
|
|
gnfile& operator>> (uint16_t& i) { char c[2]; Fread(c, 2);
|
|
i = uint16_t(c[0])
|
|
+ uint16_t((uint16_t(c[1]))>>8);
|
|
return *this; }
|
|
gnfile& operator>> (uint32_t& i) { char c[4]; Fread(c, 4);
|
|
i = uint32_t(c[0])
|
|
+ uint32_t((uint32_t(c[1]))>>8)
|
|
+ uint32_t((uint32_t(c[2]))>>16)
|
|
+ uint32_t((uint32_t(c[3]))>>24);
|
|
return *this;
|
|
}
|
|
/*
|
|
gnfile& operator>> (uint64_t& i) { char c[8]; Fread(c, 8);
|
|
i = uint64_t(c[0])
|
|
+ uint64_t((uint64_t(c[1]))>>8)
|
|
+ uint64_t((uint64_t(c[2]))>>16)
|
|
+ uint64_t((uint64_t(c[3]))>>24)
|
|
+ uint64_t((uint64_t(c[4]))>>32)
|
|
+ uint64_t((uint64_t(c[5]))>>40)
|
|
+ uint64_t((uint64_t(c[6]))>>48)
|
|
+ uint64_t((uint64_t(c[7]))>>56);
|
|
return *this;
|
|
}
|
|
*/
|
|
#if !defined(__CYGWIN__)
|
|
gnfile& operator>> (unsigned long& i) { // FreadItem(&i, sizeof(unsigned long)); return *this; }
|
|
switch(sizeof(unsigned long)) {
|
|
case 1: operator>>((uint8_t&)i);
|
|
case 2: operator>>((uint16_t&)i);
|
|
case 4: operator>>((uint32_t&)i);
|
|
// case 8: operator>>((uint64_t&)i);
|
|
}
|
|
return *this;
|
|
}
|
|
#endif
|
|
|
|
gnfile& operator>> (char& i) { return operator>>((uint8_t&)i); }
|
|
#if !defined(__SUNOS__)
|
|
gnfile& operator>> (int8_t& i) { return operator>>((uint8_t&)i); }
|
|
#endif
|
|
gnfile& operator>> (int16_t& i) { return operator>>((uint16_t&)i); }
|
|
gnfile& operator>> (int32_t& i) { return operator>>((uint32_t&)i); }
|
|
#if !defined(__CYGWIN__)
|
|
gnfile& operator>> (long& i) { return operator>>((unsigned long&)i); }
|
|
#endif
|
|
|
|
gnfile& operator<< (uint8_t o) { Fwrite(&o, sizeof(o)); return *this; }
|
|
gnfile& operator<< (uint16_t o) { uint8_t o8;
|
|
o8 = uint8_t(o && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<8) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
return *this;
|
|
}
|
|
gnfile& operator<< (uint32_t o) { uint8_t o8;
|
|
o8 = uint8_t(o && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<8) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<16) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<24) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
return *this;
|
|
}
|
|
/*
|
|
gnfile& operator<< (uint64_t o) { uint8_t o8;
|
|
o8 = uint8_t(o && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<8) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<16) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<24) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<32) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<40) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<48) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
o8 = uint8_t((o<<56) && 0xff); Fwrite(&o8, sizeof(o8));
|
|
return *this;
|
|
}
|
|
*/
|
|
#if !defined(__CYGWIN__)
|
|
gnfile& operator<< (unsigned long o) { switch (sizeof(o)) {
|
|
case 1: return operator<<((uint8_t )o); break;
|
|
case 2: return operator<<((uint16_t )o); break;
|
|
case 4: return operator<<((uint32_t )o); break;
|
|
// case 8: return operator<<((uint64_t )o); break;
|
|
}
|
|
return *this;
|
|
}
|
|
#endif
|
|
#ifdef __GOLDWARE_HAS_BOOL
|
|
gnfile& operator<< (bool o) { switch (sizeof(o)) {
|
|
case 1: return operator<<((uint8_t )o); break;
|
|
case 2: return operator<<((uint16_t )o); break;
|
|
case 4: return operator<<((uint32_t )o); break;
|
|
// case 8: return operator<<((uint64_t )o); break;
|
|
}
|
|
return *this;
|
|
}
|
|
#endif
|
|
|
|
gnfile& operator<< (char o) { return operator<<((uint8_t )o); }
|
|
#if !defined(__SUNOS__)
|
|
gnfile& operator<< (int8_t o) { return operator<<((uint8_t )o); }
|
|
#endif
|
|
gnfile& operator<< (int16_t o) { return operator<<((uint16_t)o); }
|
|
gnfile& operator<< (int32_t o) { return operator<<((uint32_t)o); }
|
|
#if !defined(__CYGWIN__)
|
|
gnfile& operator<< (long o) { return operator<<((unsigned long)o); }
|
|
#endif
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
// ------------------------------------------------------------------
|