Refactor in one unique command with subcommand + add a new command to generate ressources from a configuration file

Sources/ResgenSwift/Fonts/FontOptions.swift

@@ -0,0 +1,43 @@
+//
+//  FontsOptions.swift
+//  
+//
+//  Created by Thibaut Schmitt on 17/01/2022.
+//
+
+import Foundation
+import ArgumentParser
+
+struct FontsOptions: ParsableArguments {
+    @Flag(name: [.customShort("f"), .customShort("F")], help: "Should force generation")
+    var forceGeneration = false
+    
+    @Argument(help: "Input files where fonts ared defined.", transform: { $0.replaceTiltWithHomeDirectoryPath() })
+    var inputFile: String
+    
+    @Option(help: "Path where to generate the extension.", transform: { $0.replaceTiltWithHomeDirectoryPath() })
+    var extensionOutputPath: String
+    
+    @Option(help: "Extension name. If not specified, it will generate an UIFont extension. Using default extension name will generate static property.")
+    var extensionName: String = Fonts.defaultExtensionName
+    
+    @Option(help: "Extension suffix. Ex: MyApp, it will generate {extensionName}+FontsMyApp.swift")
+    var extensionSuffix: String = ""
+}
+
+extension FontsOptions {
+    var extensionFileName: String {
+        if extensionSuffix.isEmpty == false {
+            return "\(extensionName)+\(extensionSuffix).swift"
+        }
+        return "\(extensionName).swift"
+    }
+    
+    var extensionFilePath: String {
+        "\(extensionOutputPath)/\(extensionFileName)"
+    }
+    
+    var generateStaticVariable: Bool {
+        extensionName == Fonts.defaultExtensionName
+    }
+}