Refactor + Bugs fixes on Strings + Gestion de la génération des images

Sources/ColorTool/ColorXcassetHelper.swift

@@ -0,0 +1,42 @@
+//
+//  ColorXcassetHelper.swift
+//  
+//
+//  Created by Thibaut Schmitt on 20/12/2021.
+//
+
+import Foundation
+import CLIToolCore
+
+struct ColorXcassetHelper {
+    
+    let xcassetsPath: String
+    let colors: [GenColor]
+    
+    func generateXcassetColors() {
+        colors.forEach {
+            generateColorSetAssets(from: $0)
+        }
+    }
+    
+    // Generate ColorSet in XCAssets file
+    private func generateColorSetAssets(from color: GenColor) {
+        // Create ColorSet
+        let colorSetPath = "\(xcassetsPath)/Colors/\(color.name).colorset"
+        Shell.shell("mkdir", "-p", "\(colorSetPath)")
+        
+        // Create Contents.json in ColorSet
+        let contentsJsonPath = "\(colorSetPath)/Contents.json"
+        Shell.shell("touch", "\(contentsJsonPath)")
+        
+        // Write content in Contents.json
+        let contentsJsonPathURL = URL(fileURLWithPath: contentsJsonPath)
+        do {
+            try color.contentsJSON().write(to: contentsJsonPathURL, atomically: true, encoding: .utf8)
+        } catch (let error) {
+            let error = ColorToolError.writeAsset(error.localizedDescription)
+            print(error.localizedDescription)
+            ColorTool.exit(withError: error)
+        }
+    }
+}