#pragma once

#ifndef TSCANNER_IO_H

#define TSCANNER_IO_H

class TScannerIO {

public:

  TScannerIO() {}

  virtual bool open()  = 0;

  virtual void close() = 0;

  virtual int receive(unsigned char *buffer, int size) = 0;

  virtual int send(unsigned char *buffer, int size)    = 0;

  virtual void trace(bool on) = 0;

  virtual ~TScannerIO() {}

};

#endif