/// <summary>
/// Initializes object using GTFS data feed.
/// </summary>
/// <param name="routesInfo">Routes Info.</param>
public GtfsRoutesInfo(System.IO.StreamReader routesInfo)
{
// Get order of field names.
string[] fieldNames = routesInfo.ReadLine().Split(',');
Dictionary <string, int> dic = new Dictionary <string, int>();
for (int i = 0; i < fieldNames.Length; i++)
{
dic.Add(fieldNames[i].Replace("\"", ""), i);
}
bool useDefaultColor = !dic.ContainsKey("route_text_color");
// These fields are required for our purpose.
if (!dic.ContainsKey("route_id"))
{
throw new FormatException("Route ID field name missing.");
}
if (!dic.ContainsKey("route_short_name"))
{
throw new FormatException("Route short name field name missing.");
}
if (!dic.ContainsKey("route_long_name"))
{
throw new FormatException("Route long name field name missing.");
}
if (!dic.ContainsKey("route_type"))
{
throw new FormatException("Route type field name missing.");
}
if (!dic.ContainsKey("route_color"))
{
throw new FormatException("Route color field name missing.");
}
while (!routesInfo.EndOfStream)
{
IList <string> tokens = GtfsDataFeed.SplitGtfs(routesInfo.ReadLine());
int intType = int.Parse(tokens[dic["route_type"]]);
if (intType == 800)
{
intType = 3; // Trolleybus converted to bus (Palmovka - Letňany). Temporary solution.
}
if (!(intType >= 0 && intType <= 7))
{
throw new FormatException("Invalid mean of transport.");
}
RouteInfo.RouteType type = (RouteInfo.RouteType)(1 << intType);
RouteInfo routeInfo = new RouteInfo(Count, tokens[dic["route_short_name"]], tokens[dic["route_long_name"]], type, tokens[dic["route_color"]], useDefaultColor ? string.Empty : tokens[dic["route_text_color"]]);
list.Add(tokens[dic["route_id"]], routeInfo);
}
routesInfo.Dispose();
}
/// <summary>
/// Initializes object using GTFS data feed.
/// </summary>
/// <param name="calendar">Calendar.</param>
/// <param name="calendarDates">Calendar Dates.</param>
public GtfsCalendarDates(System.IO.StreamReader calendarDates, Calendar calendar)
{
// Get order of field names.
string[] fieldNames = calendarDates.ReadLine().Split(',');
Dictionary <string, int> dic = new Dictionary <string, int>();
for (int i = 0; i < fieldNames.Length; i++)
{
dic.Add(fieldNames[i].Replace("\"", ""), i);
}
// These fields are required for our purpose.
if (!dic.ContainsKey("service_id"))
{
throw new FormatException("Service ID field name missing.");
}
if (!dic.ContainsKey("date"))
{
throw new FormatException("Date field name missing.");
}
if (!dic.ContainsKey("exception_type"))
{
throw new FormatException("Exception type field name missing.");
}
while (!calendarDates.EndOfStream)
{
IList <string> tokens = GtfsDataFeed.SplitGtfs(calendarDates.ReadLine());
Calendar.Service service = null;
try
{
service = calendar[tokens[dic["service_id"]]];
}
catch
{
DataFeed.LogError($"Preprocessor tried to parse an exception, but the service with ID { tokens[dic["service_id"]] } does not exist. Skipping this item to recover the parsing process.");
continue;
}
bool type = tokens[dic["exception_type"]] == "1" ? true : false;
service.ExtraordinaryEvents.Add(new Tuple <string, bool>(tokens[dic["date"]], type));
ExtraordinaryEvent ev = new ExtraordinaryEvent(service, tokens[dic["date"]], type);
list.Add(ev);
}
calendarDates.Dispose();
}
/// <summary>
/// Initializes object using GTFS data feed.
/// </summary>
/// <param name="routesInfo">Routes Info.</param>
/// <param name="services">Services.</param>
/// <param name="trips">Trips.</param>
public GtfsTrips(System.IO.StreamReader trips, Calendar services, RoutesInfo routesInfo)
{
// Get order of field names.
string[] fieldNames = trips.ReadLine().Split(',');
Dictionary <string, int> dic = new Dictionary <string, int>();
for (int i = 0; i < fieldNames.Length; i++)
{
dic.Add(fieldNames[i].Replace("\"", ""), i);
}
// These fields are required for our purpose.
if (!dic.ContainsKey("route_id"))
{
throw new FormatException("Route ID field name missing.");
}
if (!dic.ContainsKey("service_id"))
{
throw new FormatException("Service ID field name missing.");
}
if (!dic.ContainsKey("trip_id"))
{
throw new FormatException("Trip ID field name missing.");
}
if (!dic.ContainsKey("trip_headsign"))
{
throw new FormatException("Trip headsign field name missing.");
}
while (!trips.EndOfStream)
{
IList <string> tokens = GtfsDataFeed.SplitGtfs(trips.ReadLine());
// Since this application is optimized for Prague, we have to union stations of type Florenc, Florenc - B, Florenc - C. Otherwise they would become three separate stations.
string headsign = tokens[dic["trip_headsign"]].Length > 4 && tokens[dic["trip_headsign"]][tokens[dic["trip_headsign"]].Length - 3] == '-' ? tokens[dic["trip_headsign"]].Substring(0, tokens[dic["trip_headsign"]].Length - 4) : tokens[dic["trip_headsign"]];
// The same for Újezd LD and Újezd.
headsign = headsign.Length > 4 && headsign.Substring(headsign.Length - 4, 4) == " LD" ? headsign.Substring(0, headsign.Length - 4) : headsign;
headsign = headsign.Length > 3 && headsign.Substring(headsign.Length - 3, 3) == " LD" ? headsign.Substring(0, headsign.Length - 3) : headsign;
Trip trip = new Trip(Count, headsign, routesInfo[tokens[dic["route_id"]]], services[tokens[dic["service_id"]]]);
list.Add(tokens[dic["trip_id"]], trip);
}
trips.Dispose();
}
/// <summary>
/// Initializes object using GTFS data feed.
/// </summary>
/// <param name="stops">Stops.</param>
public GtfsStops(System.IO.StreamReader stops)
{
// Get order of field names.
string[] fieldNames = stops.ReadLine().Split(',');
Dictionary <string, int> dic = new Dictionary <string, int>();
for (int i = 0; i < fieldNames.Length; i++)
{
dic.Add(fieldNames[i].Replace("\"", ""), i);
}
// These fields are required for our purpose.
if (!dic.ContainsKey("stop_id"))
{
throw new FormatException("Stop ID field name missing.");
}
if (!dic.ContainsKey("stop_name"))
{
throw new FormatException("Stop name field name missing.");
}
if (!dic.ContainsKey("stop_lat"))
{
throw new FormatException("Stop latitude field name missing.");
}
if (!dic.ContainsKey("stop_lon"))
{
throw new FormatException("Stop longitude field name missing.");
}
bool containsLocationType = dic.ContainsKey("location_type"); // Optional, but we "need" it (partionally).
while (!stops.EndOfStream)
{
IList <string> tokens = GtfsDataFeed.SplitGtfs(stops.ReadLine());
if (!containsLocationType || (containsLocationType && (tokens[dic["location_type"]] == "0" || tokens[dic["location_type"]] == string.Empty)))
{
Stop stop = new Stop(Count, tokens[dic["stop_name"]], double.Parse(tokens[dic["stop_lat"]], CultureInfo.InvariantCulture), double.Parse(tokens[dic["stop_lon"]], CultureInfo.InvariantCulture));
list.Add(tokens[dic["stop_id"]], stop);
}
}
stops.Dispose();
}
/// <summary>
/// Initializes object using GTFS data feed.
/// </summary>
/// <param name="stops">Stops.</param>
/// <param name="stopTimes">Stop Times.</param>
/// <param name="trips">Trip.</param>
public GtfsStopTimes(System.IO.StreamReader stopTimes, Trips trips, Stops stops)
{
// Get order of field names.
string[] fieldNames = stopTimes.ReadLine().Split(',');
Dictionary <string, int> dic = new Dictionary <string, int>();
for (int i = 0; i < fieldNames.Length; i++)
{
dic.Add(fieldNames[i].Replace("\"", ""), i);
}
// These fields are required for our purpose.
if (!dic.ContainsKey("arrival_time"))
{
throw new FormatException("Arrival time field name missing.");
}
if (!dic.ContainsKey("departure_time"))
{
throw new FormatException("Departure time field name missing.");
}
if (!dic.ContainsKey("trip_id"))
{
throw new FormatException("Trip ID field name missing.");
}
if (!dic.ContainsKey("stop_id"))
{
throw new FormatException("Stop ID field name missing.");
}
while (!stopTimes.EndOfStream)
{
IList <string> tokens = GtfsDataFeed.SplitGtfs(stopTimes.ReadLine());
Trips.Trip trip = null;
try
{
trip = trips[tokens[dic["trip_id"]]];
}
catch
{
DataFeed.LogError($"Preprocessor tried to parse a stop-time, but the trip with ID { tokens[dic["trip_id"]] } does not exist. Skipping this item to recover the parsing process.");
continue;
}
if (trip.StopTimes.Count == 0) // Set departure time of the trip.
{
trip.DepartureTime = ConvertTimeToSecondsSinceMidnight(tokens[dic["departure_time"]]);
}
Stops.Stop stop = null;
try
{
stop = stops[tokens[dic["stop_id"]]];
}
catch
{
DataFeed.LogError($"Preprocessor tried to parse a stop-time to the trip { trip.ID }, line { trip.RouteInfo.ShortName } in direction to { trip.Headsign }, but the stop with ID { tokens[dic["stop_id"]] } does not exist. Skipping this item to recover the parsing process.");
continue;
}
StopTime st = new StopTime(trip, ConvertTimeToSecondsSinceMidnight(tokens[dic["arrival_time"]]) - trip.DepartureTime,
ConvertTimeToSecondsSinceMidnight(tokens[dic["departure_time"]]) - trip.DepartureTime, stop);
st.Trip.StopTimes.Add(st);
if (!st.Stop.ThroughgoingRoutes.Contains(st.Trip.RouteInfo))
{
st.Stop.ThroughgoingRoutes.Add(st.Trip.RouteInfo);
}
list.Add(st);
}
stopTimes.Dispose();
}
/// <summary>
/// Initializes object using GTFS data feed.
/// </summary>
/// <param name="calendar">Calendar.</param>
public GtfsCalendar(System.IO.StreamReader calendar)
{
// Get order of field names.
string[] fieldNames = calendar.ReadLine().Split(',');
Dictionary <string, int> dic = new Dictionary <string, int>();
for (int i = 0; i < fieldNames.Length; i++)
{
dic.Add(fieldNames[i].Replace("\"", ""), i);
}
// These fields are required for our purpose.
if (!dic.ContainsKey("service_id"))
{
throw new FormatException("Service ID field name missing.");
}
if (!dic.ContainsKey("monday"))
{
throw new FormatException("Monday field name missing.");
}
if (!dic.ContainsKey("tuesday"))
{
throw new FormatException("Tuesday field name missing.");
}
if (!dic.ContainsKey("wednesday"))
{
throw new FormatException("Wednesday field name missing.");
}
if (!dic.ContainsKey("thursday"))
{
throw new FormatException("Thursday field name missing.");
}
if (!dic.ContainsKey("friday"))
{
throw new FormatException("Friday field name missing.");
}
if (!dic.ContainsKey("saturday"))
{
throw new FormatException("Saturday field name missing.");
}
if (!dic.ContainsKey("sunday"))
{
throw new FormatException("Sunday field name missing.");
}
if (!dic.ContainsKey("start_date"))
{
throw new FormatException("Start date field name missing.");
}
if (!dic.ContainsKey("end_date"))
{
throw new FormatException("End date field name missing.");
}
while (!calendar.EndOfStream)
{
IList <string> tokens = GtfsDataFeed.SplitGtfs(calendar.ReadLine());
bool mon = tokens[dic["monday"]] == "1" ? true : false;
bool tue = tokens[dic["tuesday"]] == "1" ? true : false;
bool wed = tokens[dic["wednesday"]] == "1" ? true : false;
bool thu = tokens[dic["thursday"]] == "1" ? true : false;
bool fri = tokens[dic["friday"]] == "1" ? true : false;
bool sat = tokens[dic["saturday"]] == "1" ? true : false;
bool sun = tokens[dic["sunday"]] == "1" ? true : false;
Service service = new Service(Count, mon, tue, wed, thu, fri, sat, sun, tokens[dic["start_date"]], tokens[dic["end_date"]]);
list.Add(tokens[dic["service_id"]], service);
}
calendar.Dispose();
}
