/*
/////////////////////////////////////////////////////////////////////
//	bitio.h of of bitio class for writing bit/s to output file.//
//		written by sourena maroofi			   //
//								   //
/////////////////////////////////////////////////////////////////////
*/




#include <iostream>
#include <fstream>
#include <string>
#include <stdlib.h>
#define maxBufferSize 1024		//*1024
using namespace std;

enum MODE {FILE_INPUT,FILE_OUTPUT};


class bitio
{
	
public:
void writeByte(unsigned char *,int);	//write one byte to output file
/*outputBit write one bit into buffer.bit can be 0 or 1.function return true if succeed and false if fails.
check getLastError for error message .*/
//MODE fileMode;
static const int out=1;
static const int in=0;
bool outputBit(int);
bool eof(void);
bool flushBuffer(void);
void getLastError(void);
void printBuffer(void);
/*inputBit read one bit from the internal buffer of bitio class which made from every 256 bytes of the input file.
and return 0 or 1 if succeed and -1 if fails.*/
int inputBit(void);
bitio(const char *,int);
~bitio();

private:

bool error_occured;
MODE fileMode;
ofstream myFileOut;
ifstream myFileIn;
unsigned long int fileSize;
/*write outputBuffer into file and return true if succeed and false if fails.*/
const char * fileName;
string errorMessage;
unsigned char * Buffer;
unsigned long int bytePos;
unsigned long int bitPos;
unsigned long int currentPos;
unsigned long int hiLimit;
bool eof_occured;
bool readBlock;
bool buffer_is_empty;


};