nfc operations

Author: yury-dymov

Package.swift

@@ -5,7 +5,7 @@ import PackageDescription
 
 let package = Package(
     name: "RNLibreToolsiOS13",
-    platforms: [.iOS(.v13)],
+    platforms: [.iOS(.v15)],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(

Sources/RNLibreToolsiOS13/Foundation/Logger/Logger.swift

@@ -0,0 +1,28 @@
+import Foundation
+
+protocol Logging {
+    func error(_ s: String)
+    func info(_ s: String)
+    func warning(_ s: String)
+}
+
+public final class NaiveLogger: Logging {
+    
+    func error(_ s: String) {
+        print("[ERR] \(s)")
+    }
+    
+    func info(_ s: String) {
+        print("[INFO] \(s)")
+    }
+        
+    func warning(_ s: String) {
+        print("[WARN] \(s)")
+    }
+}
+
+public final class DummyLogger: Logging {
+    func error(_ s: String) {}
+    func info(_ s: String) {}
+    func warning(_ s: String) {}
+}

Sources/RNLibreToolsiOS13/LibreError.swift

@@ -15,4 +15,40 @@ public struct LibreError : Error {
         self.errorCode = errorCode
         self.errorMessage = errorMessage
     }
+    
+    public static func unknown(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 0, errorMessage: msg)
+    }
+    
+    public static func connectionFailed(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 1, errorMessage: msg)
+    }
+    
+    public static func gettingSystemInfoFailed(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 2, errorMessage: msg)
+    }
+    
+    public static func commandNotSupported(_ cmd: String) -> LibreError {
+        return LibreError(errorCode: 3, errorMessage: "Command not supported: \(cmd)")
+    }
+    
+    public static func activationError(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 4, errorMessage: "Activation error: \(msg)")
+    }
+    
+    public static func readFailure(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 5, errorMessage: "Read error: \(msg)")
+    }
+    
+    public static func unexpected(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 6, errorMessage: "Unexpected error: \(msg)")
+    }
+    
+    public static func oop(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 7, errorMessage: "OOP error: \(msg)")
+    }
+    
+    public static func dataValidation(_ msg: String) -> LibreError {
+        return LibreError(errorCode: 8, errorMessage: "Data validation error: \(msg)")
+    }
 }