Optional generation of Strings extension (stringium command)

SampleFiles/Strings/Generated/sampleStrings.xcstrings

@@ -0,0 +1,150 @@
+{
+  "sourceLanguage" : "en",
+  "strings" : {
+    "generic_back" : {
+      "comment" : "",
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Back"
+          }
+        },
+        "en-us" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Back"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Retour"
+          }
+        }
+      }
+    },
+    "generic_loading_data" : {
+      "comment" : "",
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Loading data..."
+          }
+        },
+        "en-us" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Loading data..."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Chargement des données..."
+          }
+        }
+      }
+    },
+    "generic_welcome_firstname_format" : {
+      "comment" : "",
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Welcome \\\"%@\\\" !"
+          }
+        },
+        "en-us" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Welcome \\\"%@\\\" !"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Bienvenue \\\"%@\\\" !"
+          }
+        }
+      }
+    },
+    "param_lang" : {
+      "comment" : "",
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "en"
+          }
+        },
+        "en-us" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "en-us"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "fr"
+          }
+        }
+      }
+    },
+    "placeholders_test_one" : {
+      "comment" : "",
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "You %%: %2$@ %1$@ Age: %3$d"
+          }
+        },
+        "en-us" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "You %%: %2$@ %1$@ Age: %3$d"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Vous %%: %1$@ %2$@ Age: %3$d"
+          }
+        }
+      }
+    },
+    "test_equal_symbol" : {
+      "comment" : "",
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "1€ = 1 point !"
+          }
+        },
+        "en-us" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "1€ = 1 point !"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "1€ = 1 point !"
+          }
+        }
+      }
+    }
+  },
+  "version" : "1.0"
+}

Sources/ResgenSwift/Generate/Model/ConfigurationFile.swift

@@ -280,7 +280,7 @@ struct StringsConfiguration: Codable, CustomDebugStringConvertible {
     let outputPath: String
     let langs: String
     let defaultLang: String
-    let extensionOutputPath: String
+    let extensionOutputPath: String?
     let extensionName: String?
     let extensionSuffix: String?
     private let staticMembers: Bool?
@@ -305,7 +305,7 @@ struct StringsConfiguration: Codable, CustomDebugStringConvertible {
         outputPath: String,
         langs: String,
         defaultLang: String,
-        extensionOutputPath: String,
+        extensionOutputPath: String?,
         extensionName: String?,
         extensionSuffix: String?,
         staticMembers: Bool?,
@@ -329,7 +329,7 @@ struct StringsConfiguration: Codable, CustomDebugStringConvertible {
             - Output path: \(outputPath)
             - Langs: \(langs)
             - Default lang: \(defaultLang)
-            - Extension output path: \(extensionOutputPath)
+            - Extension output path: \(extensionOutputPath ?? "-")
             - Extension name: \(extensionName ?? "-")
             - Extension suffix: \(extensionSuffix ?? "-")
         """

Sources/ResgenSwift/Generate/Runnable/StringsConfiguration+Runnable.swift

@@ -24,26 +24,24 @@ extension StringsConfiguration: Runnable {
             langs,
             "--default-lang",
             defaultLang,
-            "--extension-output-path",
-            extensionOutputPath.prependIfRelativePath(projectDirectory),
             "--static-members",
             "\(staticMembersOptions)",
             "--xc-strings",
             "\(xcStringsOptions)"
         ]
 
-        if let extensionName {
+        // Add optional parameters
-            args += [
+        [
-                "--extension-name",
+            ("--extension-output-path", extensionOutputPath?.prependIfRelativePath(projectDirectory)),
-                extensionName
+            ("--extension-name", extensionName),
-            ]
+            ("--extension-suffix", extensionSuffix)
-        }
+        ].forEach { argumentName, argumentValue in
-
+            if let argumentValue {
-        if let extensionSuffix {
+                args += [
-            args += [
+                    argumentName,
-                "--extension-suffix",
+                    argumentValue
-                extensionSuffix
+                ]
-            ]
+            }
         }
 
         Stringium.main(args)

Sources/ResgenSwift/Strings/Generator/StringsFileGenerator.swift

@@ -19,8 +19,7 @@ enum StringsFileGenerator {
         langs: [String],
         defaultLang: String,
         tags: [String],
-        outputPath: String,
+        lprojPathFormat: String
-        inputFilenameWithoutExt: String
     ) {
 
         var stringsFilesContent = [String: String]()
@@ -37,7 +36,7 @@ enum StringsFileGenerator {
         langs.forEach { lang in
             guard let fileContent = stringsFilesContent[lang] else { return }
 
-            let stringsFilePath = "\(outputPath)/\(lang).lproj/\(inputFilenameWithoutExt).strings"
+            let stringsFilePath = String(format: lprojPathFormat, lang)
             let stringsFilePathURL = URL(fileURLWithPath: stringsFilePath)
             do {
                 try fileContent.write(to: stringsFilePathURL, atomically: false, encoding: .utf8)
@@ -54,8 +53,7 @@ enum StringsFileGenerator {
         langs: [String],
         defaultLang: String,
         tags: [String],
-        outputPath: String,
+        xcStringsFilePath: String
-        inputFilenameWithoutExt: String
     ) {
 
         let fileContent: String = Self.generateXcStringsFileContent(
@@ -65,12 +63,11 @@ enum StringsFileGenerator {
             sections: sections
         )
 
-        let stringsFilePath = "\(outputPath)/\(inputFilenameWithoutExt).xcstrings"
+        let stringsFilePathURL = URL(fileURLWithPath: xcStringsFilePath)
-        let stringsFilePathURL = URL(fileURLWithPath: stringsFilePath)
         do {
             try fileContent.write(to: stringsFilePathURL, atomically: false, encoding: .utf8)
         } catch {
-            let error = StringiumError.writeFile(error.localizedDescription, stringsFilePath)
+            let error = StringiumError.writeFile(error.localizedDescription, xcStringsFilePath)
             print(error.description)
             Stringium.exit(withError: error)
         }

Sources/ResgenSwift/Strings/Stringium/Stringium.swift

@@ -21,7 +21,6 @@ struct Stringium: ParsableCommand {
     // MARK: - Static
 
     static let toolName = "Stringium"
-    static let defaultExtensionName = "String"
     static let noTranslationTag: String = "notranslation"
 
     // MARK: - Command options
@@ -49,8 +48,7 @@ struct Stringium: ParsableCommand {
                 langs: options.langs,
                 defaultLang: options.defaultLang,
                 tags: options.tags,
-                outputPath: options.stringsFileOutputPath,
+                lprojPathFormat: options.lprojPathFormat
-                inputFilenameWithoutExt: options.inputFilenameWithoutExt
             )
         } else {
             StringsFileGenerator.writeXcStringsFiles(
@@ -58,22 +56,25 @@ struct Stringium: ParsableCommand {
                 langs: options.langs,
                 defaultLang: options.defaultLang,
                 tags: options.tags,
-                outputPath: options.stringsFileOutputPath,
+                xcStringsFilePath: options.xcStringsFilePath
-                inputFilenameWithoutExt: options.inputFilenameWithoutExt
             )
         }
 
         // Generate extension
-        StringsFileGenerator.writeExtensionFiles(
+        if let extensionName = options.extensionName,
-            sections: sections,
+            let extensionFilePath = options.extensionFilePath {
-            defaultLang: options.defaultLang,
+            print("Will generate extensions")
-            tags: options.tags,
+            StringsFileGenerator.writeExtensionFiles(
-            staticVar: options.staticMembers,
+                sections: sections,
-            inputFilename: options.inputFilenameWithoutExt,
+                defaultLang: options.defaultLang,
-            extensionName: options.extensionName,
+                tags: options.tags,
-            extensionFilePath: options.extensionFilePath,
+                staticVar: options.staticMembers,
-            extensionSuffix: options.extensionSuffix
+                inputFilename: options.inputFilenameWithoutExt,
-        )
+                extensionName: extensionName,
+                extensionFilePath: extensionFilePath,
+                extensionSuffix: options.extensionSuffix ?? ""
+            )
+        }
 
         print("[\(Self.toolName)] Strings generated")
     }
@@ -104,10 +105,18 @@ struct Stringium: ParsableCommand {
         }
 
         // Check if needed to regenerate
+        let fileToCompareToInput: String = {
+            // If there is no extension file to compare
+            // Then check the xcassets file instead
+            if options.xcStrings {
+                return options.xcStringsFilePath
+            }
+            return String(format: options.lprojPathFormat, options.defaultLang)
+        }()
         guard GeneratorChecker.shouldGenerate(
             force: options.forceGeneration,
             inputFilePath: options.inputFile,
-            extensionFilePath: options.extensionFilePath
+            extensionFilePath: fileToCompareToInput
         ) else {
             print("[\(Self.toolName)] Strings are already up to date :) ")
             return false

Sources/ResgenSwift/Strings/Stringium/StringiumOptions.swift

@@ -15,35 +15,51 @@ struct StringiumOptions: ParsableArguments {
     @Flag(name: [.customShort("f"), .customShort("F")], help: "Should force generation")
     var forceGeneration = false
 
-    @Argument(help: "Input files where strings are defined.", transform: { $0.replaceTiltWithHomeDirectoryPath() })
+    @Argument(
+        help: "Input files where strings are defined.",
+        transform: { $0.replaceTiltWithHomeDirectoryPath() }
+    )
     var inputFile: String
 
-    @Option(name: .customLong("output-path"), help: "Path where to strings file.", transform: { $0.replaceTiltWithHomeDirectoryPath() })
+    @Option(
+        name: .customLong("output-path"),
+        help: "Path where to strings file.",
+        transform: { $0.replaceTiltWithHomeDirectoryPath()}
+    )
     fileprivate var outputPathRaw: String
 
-    @Option(name: .customLong("langs"), help: "Langs to generate.")
+    @Option(
+        name: .customLong("langs"),
+        help: "Langs to generate."
+    )
     fileprivate var langsRaw: String
 
     @Option(help: "Default langs.")
     var defaultLang: String
 
-    @Option(name: .customLong("tags"), help: "Tags to generate.")
+    @Option(
+        name: .customLong("tags"),
+        help: "Tags to generate."
+    )
     fileprivate var tagsRaw: String = "ios iosonly iosOnly notranslation"
 
-    @Option(help: "Path where to generate the extension.", transform: { $0.replaceTiltWithHomeDirectoryPath() })
+    @Option(help: "Generate static properties. False by default")
-    var extensionOutputPath: String
-
-    @Option(help: "Tell if it will generate static properties or not")
     var staticMembers: Bool = false
 
-    @Option(help: "Tell if it will generate xcStrings file or not")
+    @Option(help: "Tell if it will generate xcStrings file or lproj file. True by default")
-    var xcStrings: Bool = false
+    var xcStrings: Bool = true
 
-    @Option(help: "Extension name. If not specified, it will generate an String extension.")
+    @Option(
-    var extensionName: String = Stringium.defaultExtensionName
+        help: "Path where to generate the extension.",
+        transform: { $0.replaceTiltWithHomeDirectoryPath() }
+    )
+    var extensionOutputPath: String?
+
+    @Option(help: "Extension name. If not specified, no extension will be generated.")
+    var extensionName: String?
 
     @Option(help: "Extension suffix: {extensionName}+{extensionSuffix}.swift")
-    var extensionSuffix: String
+    var extensionSuffix: String?
 }
 
 // MARK: - Private var getter
@@ -75,12 +91,21 @@ extension StringiumOptions {
 
 extension StringiumOptions {
 
-    var extensionFileName: String {
+    private var extensionFileName: String? {
-        "\(extensionName)+\(extensionSuffix).swift"
+        if let extensionName {
+            if let extensionSuffix {
+                return "\(extensionName)+\(extensionSuffix).swift"
+            }
+            return "\(extensionName).swift"
+        }
+        return nil
     }
 
-    var extensionFilePath: String {
+    var extensionFilePath: String? {
-        "\(extensionOutputPath)/\(extensionFileName)"
+        if let extensionOutputPath, let extensionFileName {
+            return "\(extensionOutputPath)/\(extensionFileName)"
+        }
+        return nil
     }
 
     var inputFilenameWithoutExt: String {
@@ -88,4 +113,12 @@ extension StringiumOptions {
             .deletingPathExtension()
             .lastPathComponent
     }
+
+    var xcStringsFilePath: String {
+        "\(stringsFileOutputPath)/\(inputFilenameWithoutExt).xcstrings"
+    }
+
+    var lprojPathFormat: String {
+        "\(stringsFileOutputPath)/%@.lproj/\(inputFilenameWithoutExt).strings"
+    }
 }