Feat: annotation parsing on iOS

apple/DemoApp/Demo/DemoNavigationView.swift

@@ -17,7 +17,7 @@ struct DemoNavigationView: View {
     // NOTE: This is probably not ideal but works for demo purposes.
     // This causes a thread performance checker warning log.
     private let spokenInstructionObserver = AVSpeechSpokenInstructionObserver(isMuted: false)
-    
+
     private var locationProvider: LocationProviding
     @ObservedObject private var ferrostarCore: FerrostarCore
 
@@ -227,7 +227,7 @@ struct DemoNavigationView: View {
         }
         return annotation.speedLimit?.measurementValue
     }
-    
+
     private func preventAutoLock() {
         UIApplication.shared.isIdleTimerDisabled = true
     }

apple/Sources/FerrostarCore/Models/Annotations.swift

@@ -2,20 +2,19 @@ import Foundation
 
 /// A Valhalla OSRM flavored annotations object.
 public struct ValhallaOsrmAnnotation: Decodable {
-
     enum CodingKeys: String, CodingKey {
         case speedLimit = "maxspeed"
         case speed
         case distance
         case duration
     }
-    
+
     /// The speed limit for the current line segment.
     public let speedLimit: MaxSpeed?
-    
+
     public let speed: Double?
-    
+
     public let distance: Double?
-    
+
     public let duration: Double?
 }

apple/Sources/FerrostarCore/Models/MaxSpeed.swift

@@ -8,62 +8,63 @@ import Foundation
 /// - https://docs.mapbox.com/api/navigation/directions/#route-leg-object (search for `max_speed`)
 /// - https://valhalla.github.io/valhalla/speeds/#assignment-of-speeds-to-roadways
 public enum MaxSpeed: Decodable {
-
     public enum Units: String, Decodable {
         case kilometersPerHour = "km/h"
         case milesPerHour = "mph"
         case knots // "knots" are an option in core OSRM docs, though unsure if they're ever used in this context.
     }
-    
+
     /// There is no speed limit (it's unlimited, e.g. German Autobahn)
     case none
-    
+
     /// The speed limit is not known.
     case unknown
-   
+
     /// The speed limit is a known value and unit (this may be localized depending on the API).
     case speed(Double, unit: Units)
-    
+
     enum CodingKeys: CodingKey {
         case none
         case unknown
         case speed
         case unit
     }
-    
+
     public init(from decoder: any Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
-        
+
         if let none = try container.decodeIfPresent(Bool.self, forKey: .none) {
             // The speed configuration is `{none: true}` for unlimited.
             self = .none
         } else if let unknown = try container.decodeIfPresent(Bool.self, forKey: .unknown) {
             // The speed configuration is `{unknown: true}` for unknown.
             self = .unknown
         } else if let value = try container.decodeIfPresent(Double.self, forKey: .speed),
-                  let unit = try container.decodeIfPresent(Units.self, forKey: .unit) {
+                  let unit = try container.decodeIfPresent(Units.self, forKey: .unit)
+        {
             // The speed is a known value with units. Some API's may localize, others only support a single unit.
             self = .speed(value, unit: unit)
         } else {
-            throw DecodingError.dataCorrupted(.init(codingPath: decoder.codingPath, debugDescription: "Invalid MaxSpeed, see docstrings for reference links"))
+            throw DecodingError.dataCorrupted(.init(
+                codingPath: decoder.codingPath,
+                debugDescription: "Invalid MaxSpeed, see docstrings for reference links"
+            ))
         }
     }
-    
+
     /// The MaxSpeed as a measurement
     public var measurementValue: Measurement<UnitSpeed>? {
         switch self {
-
-        case .none: return nil
-        case .unknown: return nil
-        case .speed(let value, let unit):
+        case .none: nil
+        case .unknown: nil
+        case let .speed(value, unit):
             switch unit {
-
             case .kilometersPerHour:
-                return .init(value: value, unit: .kilometersPerHour)
+                .init(value: value, unit: .kilometersPerHour)
             case .milesPerHour:
-                return .init(value: value, unit: .milesPerHour)
+                .init(value: value, unit: .milesPerHour)
             case .knots:
-                return .init(value: value, unit: .knots)
+                .init(value: value, unit: .knots)
             }
         }
     }

apple/Sources/FerrostarCore/NavigationState.swift

@@ -57,7 +57,7 @@ public struct NavigationState: Hashable {
 
         return annotationJson
     }
-    
+
     /// The current geometry segment's annotations.
     ///
     /// A segment is the line between two coordinates on the geometry.
@@ -69,7 +69,7 @@ public struct NavigationState: Hashable {
         guard let data = currentAnnotationJSON?.data(using: .utf8) else {
             return nil
         }
-        
+
         return try JSONDecoder().decode(type, from: data)
     }
 }

apple/Sources/FerrostarMapLibreUI/Views/DynamicallyOrientingNavigationView.swift

@@ -26,7 +26,7 @@ public struct DynamicallyOrientingNavigationView: View, CustomizableNavigatingIn
 
     var calculateSpeedLimit: ((NavigationState?) -> Measurement<UnitSpeed>?)?
     @State var speedLimit: Measurement<UnitSpeed>?
-    
+
     var onTapExit: (() -> Void)?
 
     public var minimumSafeAreaInsets: EdgeInsets

apple/Sources/FerrostarMapLibreUI/Views/LandscapeNavigationView.swift

@@ -25,7 +25,7 @@ public struct LandscapeNavigationView: View, CustomizableNavigatingInnerGridView
 
     var calculateSpeedLimit: ((NavigationState?) -> Measurement<UnitSpeed>?)?
     @State var speedLimit: Measurement<UnitSpeed>?
-    
+
     var onTapExit: (() -> Void)?
 
     public var minimumSafeAreaInsets: EdgeInsets

apple/Sources/FerrostarMapLibreUI/Views/PortraitNavigationView.swift

@@ -28,7 +28,7 @@ public struct PortraitNavigationView: View, CustomizableNavigatingInnerGridView
 
     var calculateSpeedLimit: ((NavigationState?) -> Measurement<UnitSpeed>?)?
     @State var speedLimit: Measurement<UnitSpeed>?
-    
+
     var onTapExit: (() -> Void)?
 
     /// Create a portrait navigation view. This view is optimized for display on a portrait screen where the