| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | using System.Linq; |
| | | 4 | | using Itinero.Network.Enumerators.Edges; |
| | | 5 | | |
| | | 6 | | namespace Itinero.Network.TurnCosts; |
| | | 7 | | |
| | | 8 | | public static class RoutingNetworkEdgeEnumeratorExtensions |
| | | 9 | | { |
| | | 10 | | internal static IEnumerable<(uint turnCostType, IEnumerable<(string key, string value)> attributes, uint cost, IEnum |
| | | 11 | | this RoutingNetworkEdgeEnumerator enumerator, |
| | | 12 | | IEnumerable<(EdgeId edge, byte? turn)> previousEdges) |
| | 21 | 13 | | { |
| | 21 | 14 | | using var previousEdgesEnumerator = previousEdges.GetEnumerator(); |
| | 21 | 15 | | if (!previousEdgesEnumerator.MoveNext()) |
| | 14 | 16 | | { |
| | 14 | 17 | | return ArraySegment<(uint turnCostType, IEnumerable<(string key, string value)> attributes, uint cost, IEnum |
| | | 18 | | } |
| | | 19 | | |
| | 7 | 20 | | var fromOrder = previousEdgesEnumerator.Current.turn; |
| | 7 | 21 | | if (fromOrder == null) |
| | 5 | 22 | | { |
| | 5 | 23 | | return ArraySegment<(uint turnCostType, IEnumerable<(string key, string value)> attributes, uint cost, IEnum |
| | | 24 | | } |
| | | 25 | | |
| | 2 | 26 | | return enumerator.GetTurnCostToTail(fromOrder.Value); |
| | 21 | 27 | | } |
| | | 28 | | } |