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C:/temp/src/j2k/Fred/JOFile.hpp

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#ifndef __J2K__JOFile_HPP__
#define __J2K__JOFile_HPP__

#include <j2k/Fred/Standard.hpp>
#include <j2k/Fred/Error/JErrorController.hpp>

#ifdef _WIN32
#include <io.h>      
#endif

#include <fcntl.h>   

#include <sys/types.h>
#include <sys/stat.h>

/* Should know it's current position
   should be able to read/write n bytes from it.

*/

class JFile {
public:
  JFile(); // Create object without opening the file
  JFile( const char* path, const char* mode = "r", size_t recordsize = 1 );
  virtual ~JFile();

  size_t getFileSize();

  void   reopen();

  int    getChar();
  void   putChar( int c );

  void   putStr( const char* s );
  char*  getStr( char* s, int n );

  inline int ungetChar( int c );

    
  char* getFileName();

  void  getFileName( char* buffer );
    
  size_t readChar( char* c );
  size_t read(        void* ptr, size_t size, size_t n = 1 );
  size_t write( const void* ptr, size_t size, size_t n = 1 );

  int  eof();
  int  flush();

  int  seek( long offset, int whence = SEEK_SET );
  int  getpos(       fpos_t* pos );
  int  setpos( const fpos_t* pos );
  long tell();
  void rewind();

  void setbuf(  char* buf );
  int  setvbuf( char* buf, int type, size_t sz );

  int  error();
  void clearError();

  void setBegin(   long offset = 0 ); 
  void addCurrent( long offset = 0 );  
  void setEnd(     long offset = 0 );

  int print(  const char* format, ... );

  long   getData( char* buffer, size_t length );
  size_t putData( char* buffer, long   length, long blocksize );

private:
  FILE* f;
  FILE* F(); // Produces checked pointer to f
  const char* fpath;
  const char* fmode;
  size_t      fpos;
  size_t      recsize;
  size_t      current;
};

#endif

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