#include <iostream>
#include <fstream>
#include "mpt_eyes.h"
#include "mpt_lineIterator.h"

class mpt_dataIterator
{
public:
    mpt_dataIterator( std::string &filepath );
    mpt_dataIterator( std::istream &_is );
    ~mpt_dataIterator();

    // /Users/testbot/Images/SanDiego/Females/US_SanDiego_1632821.jpg -13.862246    Left: {110.982, 77.7905}    Right: {66.7772, 88.6993}
    bool nextDataLine( std::string &filename, float &eye_angle, mpt::eyes &_eyes );
    unsigned int line(); // line number of most recently read line
    bool eof();

private:
    std::ifstream ifstr;
    mpt_lineIterator lines;
};