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

Sources/ResgenSwift/Images/Generator/ImageExtensionGenerator.swift

@@ -0,0 +1,87 @@
+//
+//  ImageExtensionGenerator.swift
+//  
+//
+//  Created by Thibaut Schmitt on 14/02/2022.
+//
+
+import ToolCore
+import Foundation
+
+class ImageExtensionGenerator {
+  
+    // MARK: - Extension files
+    
+    static func writeStringsFiles(images: [ParsedImage], staticVar: Bool, inputFilename: String, extensionName: String, extensionFilePath: String) {
+        // Get header/footer
+        let extensionHeader = Self.getHeader(inputFilename: inputFilename, extensionClassname: extensionName)
+        let extensionFooter = Self.getFooter()
+        
+        // Create content
+        let extensionContent: String = {
+            var content = ""
+            images.forEach { img in
+                if staticVar {
+                    content += "\n\(img.getStaticImageProperty())"
+                } else {
+                    content += "\n\(img.getImageProperty())"
+                }
+                content += "\n "
+            }
+            return content
+        }()
+        
+        // Create file if not exists
+        let fileManager = FileManager()
+        if fileManager.fileExists(atPath: extensionFilePath) == false {
+            Shell.shell("touch", "\(extensionFilePath)")
+        }
+        
+        // Generate extension
+        Self.generateExtensionFile(extensionFilePath: extensionFilePath, extensionHeader, extensionContent, extensionFooter)
+    }
+    
+    // MARK: - pragm
+    
+    private static func generateExtensionFile(extensionFilePath: String, _ args: String...) {
+        // Create file if not exists
+        let fileManager = FileManager()
+        if fileManager.fileExists(atPath: extensionFilePath) == false {
+            Shell.shell("touch", "\(extensionFilePath)")
+        }
+
+        // Create extension content
+        let extensionContent = args.joined(separator: "\n")
+
+        // Write content
+        let extensionFilePathURL = URL(fileURLWithPath: extensionFilePath)
+        do {
+            try extensionContent.write(to: extensionFilePathURL, atomically: true, encoding: .utf8)
+        } catch (let error) {
+            let error = ImagesError.writeFile(extensionFilePath, error.localizedDescription)
+            print(error.localizedDescription)
+            Images.exit(withError: error)
+        }
+    }
+    
+    private static func getHeader(inputFilename: String, extensionClassname: String) -> String {
+        """
+        // Generated by ResgenSwift.Imagium \(ResgenSwiftVersion)
+        // Images from \(inputFilename)
+        
+        import UIKit
+        
+        extension \(extensionClassname) {
+        """
+    }
+    
+    private static func getFooter() -> String {
+        """
+        }
+        """
+    }
+}
+
+//@objc var onboarding_foreground3: UIImage {
+//        return UIImage(named: "onboarding_foreground3")!
+//    }