#include <iostream>
#include <fstream>
#include <vector>

#include "mpt_lineIterator.h"

class FilePairLineIterator
{
public:
    FilePairLineIterator( const char *filepath );
    FilePairLineIterator( const std::string &filepath );
    FilePairLineIterator( std::istream &_is );
    ~FilePairLineIterator();

    bool nextDataLine( std::string &filename1, std::string &filename2 );
    unsigned int line(); // line number of most recently read line
    bool eof();

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