19 virtual bool parse(QFile
*file
, QList
<TrackData
> &tracks
,
20 QList
<RouteData
> &routes
, QList
<Area
> &polygons
,
21 QVector
<Waypoint
> &waypoints
) = 0;
22 virtual QString
errorString() const = 0;
23 virtual int errorLine() const = 0;