GeoDataDocument* MapQuestRunner::parse( const QByteArray &content ) const { QDomDocument xml; if ( !xml.setContent( content ) ) { mDebug() << "Cannot parse xml file with routing instructions."; return 0; } // mDebug() << xml.toString(2); QDomElement root = xml.documentElement(); GeoDataDocument* result = new GeoDataDocument(); result->setName( "MapQuest" ); GeoDataPlacemark* routePlacemark = new GeoDataPlacemark; routePlacemark->setName( "Route" ); GeoDataLineString* routeWaypoints = new GeoDataLineString; QDomNodeList shapePoints = root.elementsByTagName( "shapePoints" ); if ( shapePoints.size() == 1 ) { QDomNodeList geometry = shapePoints.at( 0 ).toElement().elementsByTagName( "latLng" ); for ( int i=0; i<geometry.size(); ++i ) { double const lat = geometry.item( i ).namedItem( "lat" ).toElement().text().toDouble(); double const lon = geometry.item( i ).namedItem( "lng" ).toElement().text().toDouble(); GeoDataCoordinates const position( lon, lat, 0.0, GeoDataCoordinates::Degree ); routeWaypoints->append( position ); } } routePlacemark->setGeometry( routeWaypoints ); QTime time; time = time.addSecs( root.elementsByTagName( "time" ).at( 0 ).toElement().text().toInt() ); qreal length = routeWaypoints->length( EARTH_RADIUS ); const QString name = nameString( "MQ", length, time ); const GeoDataExtendedData data = routeData( length, time ); routePlacemark->setExtendedData( data ); result->setName( name ); result->append( routePlacemark ); QMap<int,int> mapping; QDomNodeList maneuvers = root.elementsByTagName( "maneuverIndexes" ); if ( maneuvers.size() == 1 ) { maneuvers = maneuvers.at( 0 ).childNodes(); for ( int i=0; i<maneuvers.size(); ++i ) { mapping[i] = maneuvers.at( i ).toElement().text().toInt(); if ( mapping[i] == routeWaypoints->size() ) { --mapping[i]; } } } QDomNodeList instructions = root.elementsByTagName( "maneuver" ); unsigned int const lastInstruction = qMax<int>( 0, instructions.length()-1 ); // ignore the last 'Welcome to xy' instruction for ( unsigned int i = 0; i < lastInstruction; ++i ) { QDomElement node = instructions.item( i ).toElement(); QDomNodeList maneuver = node.elementsByTagName( "turnType" ); QDomNodeList textNodes = node.elementsByTagName( "narrative" ); QDomNodeList points = node.elementsByTagName( "startPoint" ); QDomNodeList streets = node.elementsByTagName( "streets" ); Q_ASSERT( mapping.contains( i ) ); if ( textNodes.size() == 1 && maneuver.size() == 1 && points.size() == 1 && mapping.contains( i ) ) { GeoDataPlacemark* instruction = new GeoDataPlacemark; instruction->setName( textNodes.at( 0 ).toElement().text() ); GeoDataExtendedData extendedData; GeoDataData turnType; turnType.setName( "turnType" ); turnType.setValue( maneuverType( maneuver.at( 0 ).toElement().text().toInt() ) ); extendedData.addValue( turnType ); if ( streets.size() == 1 ) { GeoDataData roadName; roadName.setName( "roadName" ); roadName.setValue( streets.at( 0 ).toElement().text() ); extendedData.addValue( roadName ); } instruction->setExtendedData( extendedData ); int const start = mapping[i]; int const end = mapping.contains(i+1) ? mapping[i+1] : routeWaypoints->size()-1; if ( start >= 0 && start < routeWaypoints->size() && end < routeWaypoints->size() ) { instruction->setName( textNodes.item( 0 ).toElement().text() ); GeoDataLineString *lineString = new GeoDataLineString; for ( int j=start; j<=end; ++j ) { *lineString << GeoDataCoordinates( routeWaypoints->at( j ).longitude(), routeWaypoints->at( j ).latitude() ); } if ( !lineString->isEmpty() ) { instruction->setGeometry( lineString ); result->append( instruction ); } } } } if ( routeWaypoints->size() < 1 ) { delete result; result = 0; } return result; }
GeoDataDocument *CycleStreetsRunner::parse( const QByteArray &content ) const { QDomDocument xml; if ( !xml.setContent( content ) ) { mDebug() << "Cannot parse xml file with routing instructions."; return 0; } GeoDataDocument *result = new GeoDataDocument(); result->setName( "CycleStreets" ); GeoDataPlacemark *routePlacemark = new GeoDataPlacemark; routePlacemark->setName( "Route" ); GeoDataLineString *routeWaypoints = new GeoDataLineString; QDomNodeList features = xml.elementsByTagName( "gml:featureMember" ); if ( features.isEmpty() ) { return 0; } QDomElement route = features.at( 0 ).toElement().firstChild().toElement(); QDomElement lineString = route.elementsByTagName( "gml:LineString" ).at( 0 ).toElement(); QDomElement coordinates = lineString.toElement().elementsByTagName( "gml:coordinates" ).at( 0 ).toElement(); QStringList coordinatesList = coordinates.text().split( ' ' ); QStringList::iterator iter = coordinatesList.begin(); QStringList::iterator end = coordinatesList.end(); for( ; iter != end; ++iter) { QStringList coordinate = iter->split(','); if ( coordinate.size() == 2 ) { double const lon = coordinate.at( 0 ).toDouble(); double const lat = coordinate.at( 1 ).toDouble(); GeoDataCoordinates const position( lon, lat, 0.0, GeoDataCoordinates::Degree ); routeWaypoints->append( position ); } } routePlacemark->setGeometry( routeWaypoints ); QDomElement durationElement = route.elementsByTagName( "cs:time" ).at(0).toElement(); QTime duration; duration = duration.addSecs( durationElement.text().toInt() ); qreal length = routeWaypoints->length( EARTH_RADIUS ); const QString name = nameString( "CS", length, duration ); const GeoDataExtendedData data = routeData( length, duration ); routePlacemark->setExtendedData( data ); result->setName( name ); result->append( routePlacemark ); int i; for ( i = 1; i < features.count() && features.at( i ).firstChildElement().tagName() != "cs:segment"; ++i ); for ( ; i < features.count(); ++i) { QDomElement segment = features.at( i ).toElement(); QString name = segment.elementsByTagName( "cs:name" ).at( 0 ).toElement().text(); QString maneuver = segment.elementsByTagName( "cs:turn" ).at( 0 ).toElement().text(); QStringList points = segment.elementsByTagName( "cs:points" ).at( 0 ).toElement().text().split( ' ' ); QStringList const elevation = segment.elementsByTagName( "cs:elevations" ).at( 0 ).toElement().text().split( ',' ); GeoDataPlacemark *instructions = new GeoDataPlacemark; QString instructionName; if ( !maneuver.isEmpty() ) { instructionName = maneuver.left( 1 ).toUpper() + maneuver.mid( 1 ); } else { instructionName = "Straight"; } if ( name != "Short un-named link" && name != "Un-named link" ){ instructionName.append( " into " + name ); } instructions->setName( instructionName ); GeoDataExtendedData extendedData; GeoDataData turnType; turnType.setName( "turnType" ); turnType.setValue( maneuverType( maneuver ) ); extendedData.addValue( turnType ); instructions->setExtendedData( extendedData ); GeoDataLineString *lineString = new GeoDataLineString; QStringList::iterator iter = points.begin(); QStringList::iterator end = points.end(); for ( int j=0; iter != end; ++iter, ++j ) { QStringList coordinate = iter->split( ',' ); if ( coordinate.size() == 2 ) { double const lon = coordinate.at( 0 ).toDouble(); double const lat = coordinate.at( 1 ).toDouble(); double const alt = j < elevation.size() ? elevation[j].toDouble() : 0.0; lineString->append( GeoDataCoordinates( lon, lat, alt, GeoDataCoordinates::Degree ) ); } } instructions->setGeometry( lineString ); result->append( instructions ); } return result; }