//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Fri May  1 20:00:52 PDT 1998
// Last Modified: Fri May  1 20:00:56 PDT 1998
// Last Modified: Wed Feb 21 15:48:18 PST 2001 (state = 0 added to constructor)
// Filename:      ...sig/code/base/BitFileIn/BitFileIn.h
// Syntax:        C++ 
//


#ifndef _BITFILEIN_H_INCLUDED
#define _BITFILEIN_H_INCLUDED

#ifndef OLDCPP
   #include <fstream>
   using namespace std;
#else
   #include <fstream.h>
#endif


class BitFileIn : public ifstream {
   public:
                     BitFileIn  (void);
                  #ifndef OLDCPP
                     BitFileIn  (const char* filename, ios::openmode state);
                  #else
                     BitFileIn  (const char* filename, int state = 0);
                  #endif
                    ~BitFileIn  ();

      long           readBits   (int bitCount);
      int            valid      (void);

   protected:
      int            bitsInByte;// num of temp stored bits in storage
      unsigned char  inStorage; // temporary storage for output
      int            endoffile; // true if at end of file

   
      void           setBit     (int& output, int bitCount, int bit);
      int            getBit     (void);
};


#endif  /* _BITFILEIN_H_INCLUDED */



// md5sum: 30386f45630bf91d0bb210ae3a958a94 BitFileIn.h [20050403]