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

Sources/ResgenSwift/Strings/Twine/Twine.swift

@@ -0,0 +1,105 @@
+//
+//  Twine.swift
+//  
+//
+//  Created by Thibaut Schmitt on 10/01/2022.
+//
+
+import ToolCore
+import Foundation
+import ArgumentParser
+
+struct Twine: ParsableCommand {
+    
+    // MARK: - Command Configuration
+    
+    static var configuration = CommandConfiguration(
+        abstract: "Generate strings with twine.",
+        version: ResgenSwiftVersion
+    )
+    
+    // MARK: - Static
+    
+    static let toolName = "Twine"
+    static let defaultExtensionName = "String"
+    static let twineExecutable = "\(FileManager.default.homeDirectoryForCurrentUser.relativePath)/scripts/twine/twine"
+    
+    // MARK: - Properties
+    
+    var inputFilenameWithoutExt: String { URL(fileURLWithPath: options.inputFile)
+            .deletingPathExtension()
+            .lastPathComponent
+    }
+    
+    // MARK: - Command Options
+    
+    @OptionGroup var options: TwineOptions
+    
+    // MARK: - Run
+    
+    mutating func run() {
+        print("[\(Self.toolName)] Starting strings generation")
+        
+        // Check requirements
+        guard checkRequirements() else { return }
+        
+        print("[\(Self.toolName)] Will generate strings")
+        
+        // Generate strings files (lproj files)
+        for lang in options.langs {
+            Shell.shell(Self.twineExecutable,
+                        "generate-localization-file", options.inputFile,
+                        "--lang", "\(lang)",
+                        "\(options.outputPath)/\(lang).lproj/\(inputFilenameWithoutExt).strings",
+                        "--tags=ios,iosonly,iosOnly")
+        }
+        
+        // Generate extension
+        var extensionFilePath: String { "\(options.extensionOutputPath)/\(inputFilenameWithoutExt).swift" }
+        Shell.shell(Self.twineExecutable,
+                    "generate-localization-file", options.inputFile,
+                    "--format", "apple-swift",
+                    "--lang", "\(options.defaultLang)",
+                    extensionFilePath,
+                    "--tags=ios,iosonly,iosOnly")
+        
+        print("[\(Self.toolName)] Strings generated")
+    }
+    
+    // MARK: - Requirements
+    
+    private func checkRequirements() -> Bool {
+        let fileManager = FileManager()
+        
+        // Input file
+        guard fileManager.fileExists(atPath: options.inputFile) else {
+            let error = TwineError.fileNotExists(options.inputFile)
+            print(error.localizedDescription)
+            Twine.exit(withError: error)
+        }
+        
+        // Langs
+        guard options.langs.isEmpty == false else {
+            let error = TwineError.langsListEmpty
+            print(error.localizedDescription)
+            Twine.exit(withError: error)
+        }
+        
+        guard options.langs.contains(options.defaultLang) else {
+            let error = TwineError.defaultLangsNotInLangs
+            print(error.localizedDescription)
+            Twine.exit(withError: error)
+        }
+        
+        // "R2String+" is hardcoded in Twine formatter
+        let extensionFilePathGenerated = "\(options.extensionOutputPath)/R2String+\(inputFilenameWithoutExt).swift"
+        
+        // Check if needed to regenerate
+        guard GeneratorChecker.shouldGenerate(force: options.forceGeneration, inputFilePath: options.inputFile, extensionFilePath: extensionFilePathGenerated) else {
+            print("[\(Self.toolName)] Strings are already up to date :) ")
+            return false
+        }
+        
+        return true
+    }
+}