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- /*
-
- C++ class library for file streams
- version 1.00
-
- ..................................................................
-
- Copyright (c) 1995 Dmitry I. Platonoff
- All rights reserved
-
- dplatonoff@canada.com
-
- ..................................................................
-
- LICENSE
- ~~~~~~~
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials provided
- with the distribution.
-
- 3. Redistributions of any form whatsoever, as well as all
- advertising materials mentioning features or use of this
- software (if any), must include the following acknowledgment:
- "This product includes software developed by Dmitry I. Platonoff".
-
- 4. The names "SysBar/2" and "Dmitry I. Platonoff" must not be
- used to endorse or promote products derived from this software
- without prior written permission. For such permission, please
- contact dplatonoff@canada.com.
-
- 5. Products derived from this software may not be called
- "SysBar/2" nor may "Dmitry I. Platonoff" appear in their
- contributor lists without prior written permission.
-
- ..................................................................
-
- DISCLAIMER
- ~~~~~~~~~~
- THIS SOFTWARE IS PROVIDED BY THE AUTHOR OR CONTRIBUTORS "AS IS"
- AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- AUTHOR OR THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- */
-
- #if !defined(__ffile_h)
- #define __ffile_h
-
- #include <stdio.h>
- #include <io.h>
-
- const int iFFileMaxString = 256;
-
- // Here is the class that represents a standard C file stream,
- // but has some features, e.g. auto-closing at destruction
- class ffile
- {
- protected:
- unsigned uLinesGone; //line counter (text files only)
-
- public:
-
- FILE* f; //pointer to FILE structure
- long lFileSize; //file size (for read-only mode)
- char sBuffer[iFFileMaxString]; //buffer for text lines (text files only)
-
- ffile( char *pszFilename, const char* pszMode ) //Constructor (parameters
- { //are the same as for fopen)
- if ( f = fopen( pszFilename, pszMode ) )
- {
- lFileSize = filelength( fileno( f ) );
- uLinesGone = 0;
- }
- }
-
- ~ffile() { if ( f ) fclose( f ); } //destructor that closes file
-
- FILE* operator()() { return f; } //"()" operator - for use FILE
- //structure outside the class
- long GetPosition( void ) { return ftell( f ); } //position in file
-
- int ReadString( void ) //method to read a single line from a text file
- {
- if ( feof( f ) || ! fgets( sBuffer, iFFileMaxString, f ) ) return -1;
- else { uLinesGone++; return 0; }
- }
-
- unsigned GetCurrLine( void ) { return uLinesGone; } //current line number
-
- void Close( void ) { if ( fclose( f ) == 0 ) f = NULL; }
- };
-
-
- #endif
-
-
-