1 files changed, 105 insertions, 0 deletions
diff --git a/LearnMapKit/ADSBRunner.swift b/LearnMapKit/ADSBRunner.swift
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+++ b/LearnMapKit/ADSBRunner.swift
@@ -0,0 +1,105 @@
+//
+//  ADSBRunner.swift
+//  LearnMapKit
+//
+//  Created by Jacky Jack on 28/06/2024.
+//
+
+import Foundation
+
+struct ADSBLocation {
+    let address: Int
+    let lat: Double
+    let long: Double
+    //let alt: Int
+}
+
+struct ADSBAltitude {
+    let address: Int
+    let altitude: Int
+}
+
+struct ADSBICAOname {
+    let address: Int
+    let ICAOname: String
+}
+
+class ADSBFileRunner {
+    
+    var filename: URL
+    //track all airplanes
+    var tracker = AirPlaneTracker()
+    var adsb_source: String = ""
+    
+    init(filename:String) {
+        self.filename = URL(fileURLWithPath:filename)
+    }
+    
+    func openFile() {
+        print("File location [\(filename.absoluteString)]")
+
+        //check if file excists
+        if (checkIfFileExists(filename.path) == false) {
+            print("Supplied path \(filename.path) doesnt exists")
+            exit(1)
+        }
+    }
+    
+    func readFile() {
+        //load the file with adsb data
+        do {
+            adsb_source = try String(contentsOfFile: filename.path)
+            print("Loaded \(adsb_source.count) bytes")
+        } catch {
+            print("Couldn't load text from a file \(filename.path)")
+            exit(1)
+        }
+        print("If there anything new in file")
+    }
+    
+    func decode() {
+        for line in self.adsb_source.components(separatedBy: .newlines) {
+            var found=false
+            do {
+                if let tokenMatch = try matchADSBLong.prefixMatch(in: line) {
+                    //print("\(String(tokenMatch.output))")
+                    found = true
+                    let str = String(tokenMatch.output)
+                    let startIndex = str.index(str.startIndex, offsetBy: 1)
+                    let endIndex = str.index(str.endIndex, offsetBy: -2)
+                    let decoder = Decoder(String(str[startIndex...endIndex]))
+                    if decoder.DataFormat == 17 {
+                        if let d17 = decoder.getDataFormat17() {
+                            if (d17.TypeCode == 4) {
+                                if let indentification = d17.messageIdentification {
+                                    tracker.addDF17Indentification(d17.AddressAnnounced, indentification.ICAOName)
+                                }
+                            } else if (d17.TypeCode >= 9 && d17.TypeCode <= 18) {
+                                if let airbornposition = d17.messageAirbornPositon {
+                                    tracker.addDF17AirBornPosition(
+                                        d17.AddressAnnounced,
+                                        airbornposition.Latitude,
+                                        airbornposition.Longitude,
+                                        airbornposition.Altitude,
+                                        airbornposition.CPRFormat == 0
+                                    )
+                                    if let position = tracker.getPosition(d17.AddressAnnounced) {
+                                        print("position: \(position)")
+                                    }
+                                }
+                            }
+                        }
+                    }
+                };
+            } catch {
+                print("Error")
+            }
+            
+            if (found == false) {
+                print("Unknown adsb data line \(line)")
+            }
+        }
+        //try to free the string after decoded
+        //adsb_source = ""
+    }
+}