Add parse error

Sources/ResgenSwift/Analytics/AnalyticsError.swift

@@ -8,16 +8,20 @@
 import Foundation
 
 enum AnalyticsError: Error {
+    case noValidTracker(String)
     case fileNotExists(String)
     case missingElement(String)
     case invalidParameter(String)
-    
+    case parseFailed(String)
     case writeFile(String, String)
     
     var description: String {
         switch self {
+        case .noValidTracker(let inputTargets):
+            return "error: [\(Analytics.toolName)] '\(inputTargets)' ne contient aucun tracker valid"
+
         case .fileNotExists(let filename):
-            return "error: [\(Analytics.toolName)] File \(filename) does not exists "
+            return "error: [\(Analytics.toolName)] File \(filename) does not exists"
             
         case .missingElement(let element):
             return "error: [\(Analytics.toolName)] Missing \(element) for Matomo"
@@ -25,6 +29,9 @@ enum AnalyticsError: Error {
         case .invalidParameter(let reason):
             return "error: [\(Analytics.toolName)] Invalid parameter \(reason)"
             
+        case .parseFailed(let baseError):
+            return "error: [\(Analytics.toolName)] Parse input file failed: \(baseError)"
+
         case .writeFile(let subErrorDescription, let filename):
             return "error: [\(Analytics.toolName)] An error occured while writing content to \(filename): \(subErrorDescription)"
         }