Remove Shell invocation as many as possible (high cost in term of speed of execution)

Sources/ResgenSwift/Colors/Colors.swift

@@ -44,16 +44,19 @@ struct Colors: ParsableCommand {
         // Get colors to generate
         let parsedColors = ColorFileParser.parse(options.inputFile,
                                                 colorStyle: options.colorStyle)
+        // -> Time: 0.0020350217819213867 seconds
 
         // Generate all colors in xcassets
         ColorXcassetHelper.generateXcassetColors(colors: parsedColors,
                                                  to: options.xcassetsPath)
+        // -> Time: 3.4505380392074585 seconds
 
         // Generate extension
         ColorExtensionGenerator.writeExtensionFile(colors: parsedColors,
                                                    staticVar: options.staticMembers,
                                                    extensionName: options.extensionName,
                                                    extensionFilePath: options.extensionFilePath)
+        // -> Time: 0.0010340213775634766 seconds
 
         print("[\(Self.toolName)] Colors generated")
     }
@@ -91,7 +94,18 @@ struct Colors: ParsableCommand {
     // MARK: - Helpers
     
     private func deleteCurrentColors() {
-        Shell.shell(["rm", "-rf", "\(options.xcassetsPath)/Colors/*"])
+        let fileManager = FileManager()
+        let assetsColorPath = "\(options.xcassetsPath)/Colors"
+        
+        if fileManager.fileExists(atPath: assetsColorPath) {
+            do {
+                try fileManager.removeItem(atPath: assetsColorPath)
+            } catch {
+                let error = ColorsToolError.deleteExistingColors("\(options.xcassetsPath)/Colors")
+                print(error.localizedDescription)
+                Colors.exit(withError: error)
+            }
+        }
     }
 }
 

Sources/ResgenSwift/Colors/ColorsToolError.swift

@@ -10,9 +10,11 @@ import Foundation
 enum ColorsToolError: Error {
     case badFormat(String)
     case writeAsset(String)
+    case createAssetFolder(String)
     case writeExtension(String, String)
     case fileNotExists(String)
     case badColorDefinition(String, String)
+    case deleteExistingColors(String)
     
     var description: String {
         switch self {
@@ -22,6 +24,9 @@ enum ColorsToolError: Error {
         case .writeAsset(let info):
             return "error:[\(Colors.toolName)] An error occured while writing color in Xcasset: \(info)"
          
+        case .createAssetFolder(let assetsFolder):
+            return "error:[\(Colors.toolName)] An error occured while creating colors folder `\(assetsFolder)`"
+            
         case .writeExtension(let filename, let info):
             return "error:[\(Colors.toolName)] An error occured while writing extension in \(filename): \(info)"
             
@@ -30,6 +35,9 @@ enum ColorsToolError: Error {
             
         case .badColorDefinition(let lightColor, let darkColor):
             return "error:[\(Colors.toolName)] One of these two colors has invalid synthax: -\(lightColor)- or -\(darkColor)-"
+            
+        case .deleteExistingColors(let assetsFolder):
+            return "error:[\(Colors.toolName)] An error occured while deleting colors folder `\(assetsFolder)`"
         }
     }
 }

Sources/ResgenSwift/Colors/Generator/ColorExtensionGenerator.swift

@@ -14,12 +14,6 @@ struct ColorExtensionGenerator {
     let extensionClassname: String
     
     static func writeExtensionFile(colors: [ParsedColor], staticVar: Bool, extensionName: String, extensionFilePath: String) {
-        // Create file if not exists
-        let fileManager = FileManager()
-        if fileManager.fileExists(atPath: extensionFilePath) == false {
-            Shell.shell(["touch", "\(extensionFilePath)"])
-        }
-        
         // Create extension content
         let extensionContent = [
             Self.getHeader(extensionClassname: extensionName),
@@ -31,7 +25,7 @@ struct ColorExtensionGenerator {
         // Write content
         let extensionFilePathURL = URL(fileURLWithPath: extensionFilePath)
         do {
-            try extensionContent.write(to: extensionFilePathURL, atomically: true, encoding: .utf8)
+            try extensionContent.write(to: extensionFilePathURL, atomically: false, encoding: .utf8)
         } catch (let error) {
             let error = ColorsToolError.writeExtension(extensionFilePath, error.localizedDescription)
             print(error.localizedDescription)

Sources/ResgenSwift/Colors/Generator/ColorXcassetHelper.swift

@@ -20,17 +20,24 @@ struct ColorXcassetHelper {
     private static func generateColorSetAssets(from color: ParsedColor, to xcassetsPath: String) {
         // 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)"])
+        
+        let fileManager = FileManager()
+        if fileManager.fileExists(atPath: colorSetPath) == false {
+            do {
+                try fileManager.createDirectory(atPath: colorSetPath,
+                                            withIntermediateDirectories: true)
+            } catch {
+                let error = ColorsToolError.createAssetFolder(colorSetPath)
+                print(error.localizedDescription)
+                Colors.exit(withError: error)
+            }
+        }
         
         // Write content in Contents.json
         let contentsJsonPathURL = URL(fileURLWithPath: contentsJsonPath)
         do {
-            try color.contentsJSON().write(to: contentsJsonPathURL, atomically: true, encoding: .utf8)
+            try color.contentsJSON().write(to: contentsJsonPathURL, atomically: false, encoding: .utf8)
         } catch (let error) {
             let error = ColorsToolError.writeAsset(error.localizedDescription)
             print(error.localizedDescription)

Sources/ResgenSwift/Colors/Parser/ColorFileParser.swift

@@ -23,7 +23,7 @@ class ColorFileParser {
                 .replacingOccurrences(of: "=", with: "") // Keep compat with current file format
             
             guard colorLineCleanedUp.hasPrefix("#") == false, colorLineCleanedUp.isEmpty == false else {
-                debugPrint("[\(Colors.toolName)] ⚠️  BadFormat or empty line (line number: \(lineNumber + 1)). Skip this line")
+                // debugPrint("[\(Colors.toolName)] ⚠️  BadFormat or empty line (line number: \(lineNumber + 1)). Skip this line")
                 return nil
             }
             

Sources/ResgenSwift/Fonts/Generator/FontToolContentGenerator.swift

@@ -11,12 +11,6 @@ import ToolCore
 class FontExtensionGenerator {
     
     static func writeExtensionFile(fontsNames: [String], staticVar: Bool, extensionName: String, extensionFilePath: String) {
-        // Check file if not exists
-        let fileManager = FileManager()
-        if fileManager.fileExists(atPath: extensionFilePath) == false {
-            Shell.shell(["touch", "\(extensionFilePath)"])
-        }
-        
         // Create extension content
         let extensionContent = [
             Self.getHeader(extensionClassname: extensionName),
@@ -29,7 +23,7 @@ class FontExtensionGenerator {
         // Write content
         let extensionFilePathURL = URL(fileURLWithPath: extensionFilePath)
         do {
-            try extensionContent.write(to: extensionFilePathURL, atomically: true, encoding: .utf8)
+            try extensionContent.write(to: extensionFilePathURL, atomically: false, encoding: .utf8)
         } catch (let error) {
             let error = FontsToolError.writeExtension(extensionFilePath, error.localizedDescription)
             print(error.localizedDescription)

Sources/ResgenSwift/Generate/Generate.swift

@@ -46,9 +46,10 @@ struct Generate: ParsableCommand {
         // Execute commands
         configuration.runnableConfigurations
             .forEach {
+                let begin = Date()
                 $0.run(projectDirectory: options.projectDirectory,
                        force: options.forceGeneration)
-                print("\n")
+                print("Took: \(Date().timeIntervalSince(begin))s\n")
             }
 
         print("[\(Self.toolName)] Resgen ended")

Sources/ResgenSwift/Generate/Runnable/ImagesConfiguration+ShellCommandable.swift

@@ -12,7 +12,7 @@ extension ImagesConfiguration: Runnable {
         var args = [String]()
         
         if force {
-            args += ["-F"] // Images has a -f and -F options
+            args += ["-f"] // Images has a -f and -F options
         }
         
         args += [

Sources/ResgenSwift/Images/Generator/ImageExtensionGenerator.swift

@@ -31,12 +31,6 @@ class ImageExtensionGenerator {
             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)
     }
@@ -44,19 +38,13 @@ class ImageExtensionGenerator {
     // 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)
+            try extensionContent.write(to: extensionFilePathURL, atomically: false, encoding: .utf8)
         } catch (let error) {
             let error = ImagesError.writeFile(extensionFilePath, error.localizedDescription)
             print(error.localizedDescription)

Sources/ResgenSwift/Images/Generator/XcassetsGenerator.swift

@@ -52,10 +52,9 @@ class XcassetsGenerator {
                 Images.exit(withError: error)
             }()
             
-            // Create imageset folder
+            // Create imageset folder name
             let imagesetName = "\(parsedImage.name).imageset"
             let imagesetPath = "\(xcassetsPath)/\(imagesetName)"
-            Shell.shell(["mkdir", "-p", imagesetPath])
             
             // Store managed images path
             generatedAssetsPaths.append(imagesetName)
@@ -66,11 +65,23 @@ class XcassetsGenerator {
             let output3x = "\(imagesetPath)/\(parsedImage.name)@3x.\(XcassetsGenerator.outputImageExtension)"
             
             // Check if we need to convert image
-            if self.shouldBypassGeneration(for: parsedImage, xcassetImagePath: output1x) {
+            guard self.shouldGenerate(inputImagePath: imageData.path, xcassetImagePath: output1x) else {
-                print("\(parsedImage.name) -> Not regenerating")
+                //print("\(parsedImage.name) -> Not regenerating")
                 return
             }
             
+            // Create imageset folder
+            if fileManager.fileExists(atPath: imagesetPath) == false {
+                do {
+                    try fileManager.createDirectory(atPath: imagesetPath,
+                                                    withIntermediateDirectories: true)
+                } catch {
+                    let error = ImagesError.createAssetFolder(imagesetPath)
+                    print(error.localizedDescription)
+                    Images.exit(withError: error)
+                }
+            }
+            
             // Convert image
             let convertArguments = parsedImage.convertArguments
             if imageData.ext == "svg" {
@@ -110,12 +121,9 @@ class XcassetsGenerator {
             // Write Content.json
             let imagesetContentJson = parsedImage.contentJson
             let contentJsonFilePath = "\(imagesetPath)/Contents.json"
-            if fileManager.fileExists(atPath: contentJsonFilePath) == false {
-                Shell.shell(["touch", "\(contentJsonFilePath)"])
-            }
             
             let contentJsonFilePathURL = URL(fileURLWithPath: contentJsonFilePath)
-            try! imagesetContentJson.write(to: contentJsonFilePathURL, atomically: true, encoding: .utf8)
+            try! imagesetContentJson.write(to: contentJsonFilePathURL, atomically: false, encoding: .utf8)
             
             print("\(parsedImage.name) -> Generated")
         }
@@ -153,43 +161,11 @@ class XcassetsGenerator {
     
     // MARK: - Helpers: bypass generation
     
-    private func shouldBypassGeneration(for image: ParsedImage, xcassetImagePath: String) -> Bool {
+    private func shouldGenerate(inputImagePath: String, xcassetImagePath: String) -> Bool {
         if forceGeneration {
-            return false
-        }
-        
-        let fileManager = FileManager()
-            
-        // File not exists -> do not bypass
-        guard fileManager.fileExists(atPath: xcassetImagePath) else {
-            return false
-        }
-        
-        // Info unavailable -> do not bypass
-        let taskWidth = Shell.shell(["identify", "-format", "%w", xcassetImagePath])
-        let taskHeight = Shell.shell(["identify", "-format", "%h", xcassetImagePath])
-        guard taskWidth.terminationStatus == 0,
-              taskHeight.terminationStatus == 0 else {
-                  return false
-              }
-        
-        let currentWidth = Int(taskWidth.output ?? "-1") ?? -1
-        let currentheight = Int(taskHeight.output ?? "-1") ?? -1
-        
-        // Info unavailable -> do not bypass
-        guard currentWidth > 0 && currentheight > 0 else {
-            return false
-        }
-        
-        // Check width and height
-        if image.width != -1 && currentWidth == image.width {
-            return true
-        }
-        if image.height != -1 && currentheight == image.height {
             return true
         }
         
-        return false
+        return GeneratorChecker.isFile(inputImagePath, moreRecenThan: xcassetImagePath)
     }
-    
 }

Sources/ResgenSwift/Images/ImagesError.swift

@@ -14,6 +14,7 @@ enum ImagesError: Error {
     case getFileAttributed(String, String)
     case rsvgConvertNotFound
     case writeFile(String, String)
+    case createAssetFolder(String)
     case unknown(String)
     
     var localizedDescription: String {
@@ -36,6 +37,9 @@ enum ImagesError: Error {
         case .writeFile(let subErrorDescription, let filename):
             return " error:[\(Images.toolName)] An error occured while writing content to \(filename): \(subErrorDescription)"
 
+        case .createAssetFolder(let folder):
+            return "error:[\(Colors.toolName)] An error occured while creating folder `\(folder)`"
+            
         case .unknown(let errorDescription):
             return " error:[\(Images.toolName)] Unknown error: \(errorDescription)"
         }

Sources/ResgenSwift/Strings/Generator/StringsFileGenerator.swift

@@ -28,7 +28,7 @@ class StringsFileGenerator {
             let stringsFilePath = "\(outputPath)/\(lang).lproj/\(inputFilenameWithoutExt).strings"
             let stringsFilePathURL = URL(fileURLWithPath: stringsFilePath)
             do {
-                try fileContent.write(to: stringsFilePathURL, atomically: true, encoding: .utf8)
+                try fileContent.write(to: stringsFilePathURL, atomically: false, encoding: .utf8)
             } catch (let error) {
                 let error = StringiumError.writeFile(error.localizedDescription, stringsFilePath)
                 print(error.localizedDescription)
@@ -115,19 +115,13 @@ class StringsFileGenerator {
             return content
         }()
         
-        // Create file if not exists
-        let fileManager = FileManager()
-        if fileManager.fileExists(atPath: extensionFilePath) == false {
-            Shell.shell(["touch", "\(extensionFilePath)"])
-        }
-        
         // Create extension content
         let extensionFileContent = [extensionHeader, extensionContent, extensionFooter].joined(separator: "\n")
         
         // Write content
         let extensionFilePathURL = URL(fileURLWithPath: extensionFilePath)
         do {
-            try extensionFileContent.write(to: extensionFilePathURL, atomically: true, encoding: .utf8)
+            try extensionFileContent.write(to: extensionFilePathURL, atomically: false, encoding: .utf8)
         } catch (let error) {
             let error = StringiumError.writeFile(extensionFilePath, error.localizedDescription)
             print(error.localizedDescription)

Sources/ResgenSwift/Strings/Generator/TagsGenerator.swift

@@ -35,19 +35,13 @@ class TagsGenerator {
             return content
         }()
         
-        // Create file if not exists
-        let fileManager = FileManager()
-        if fileManager.fileExists(atPath: extensionFilePath) == false {
-            Shell.shell(["touch", "\(extensionFilePath)"])
-        }
-        
         // Create extension content
         let extensionFileContent = [extensionHeader, extensionContent, extensionFooter].joined(separator: "\n")
         
         // Write content
         let extensionFilePathURL = URL(fileURLWithPath: extensionFilePath)
         do {
-            try extensionFileContent.write(to: extensionFilePathURL, atomically: true, encoding: .utf8)
+            try extensionFileContent.write(to: extensionFilePathURL, atomically: false, encoding: .utf8)
         } catch (let error) {
             let error = StringiumError.writeFile(extensionFilePath, error.localizedDescription)
             print(error.localizedDescription)

Sources/ResgenSwift/Strings/Model/Definition.swift

@@ -53,7 +53,6 @@ class Definition {
             guard let match = match else { return }
             
             if let range = Range(match.range, in: input), let last = input[range].last {
-                debugPrint("Found: \(input[range])")
                 switch last {
                 case "d", "u":
                     methodsParameters.append("Int")

Sources/ToolCore/GeneratorChecker.swift

@@ -15,26 +15,29 @@ public class GeneratorChecker {
             return true
         }
         
-        // If inputFile is newer that generated extension -> Regenerate
+        return Self.isFile(inputFilePath, moreRecenThan: extensionFilePath)
-        let extensionFileURL = URL(fileURLWithPath: extensionFilePath)
+    }
-        let inputFileURL = URL(fileURLWithPath: inputFilePath)
     
-        let extensionRessourceValues = try? extensionFileURL.resourceValues(forKeys: [URLResourceKey.contentModificationDateKey])
+    public static func isFile(_ fileOne: String, moreRecenThan fileTwo: String) -> Bool {
-        let inputFileRessourceValues = try? inputFileURL.resourceValues(forKeys: [URLResourceKey.contentModificationDateKey])
+        let fileOneURL = URL(fileURLWithPath: fileOne)
+        let fileTwoURL = URL(fileURLWithPath: fileTwo)
         
-        if let extensionModificationDate = extensionRessourceValues?.contentModificationDate,
+        let fileOneRessourceValues = try? fileOneURL.resourceValues(forKeys: [URLResourceKey.contentModificationDateKey])
-           let inputFileModificationDate = inputFileRessourceValues?.contentModificationDate {
+        let fileTwoRessourceValues = try? fileTwoURL.resourceValues(forKeys: [URLResourceKey.contentModificationDateKey])
-            if inputFileModificationDate >= extensionModificationDate {
+        
-                print("Input file is newer that generated extension.")
+        guard let fileOneModificationDate = fileOneRessourceValues?.contentModificationDate,
+              let fileTwoModificationDate = fileTwoRessourceValues?.contentModificationDate else {
+            print("⚠️ Could not compare file modication date. ⚠️ (assume than file is newer)")
+            // Date not available -> assume than fileOne is newer than fileTwo
             return true
-            } else {
+        }
+        
+        if fileOneModificationDate >= fileTwoModificationDate {
+            debugPrint("File one is more recent than file two.")
+            return true
+        }
+        
         return false
     }
-        }
-    
-        // ModificationDate not available for both file
-        print("⚠️ Could not compare file modication date. ⚠️")
-        return true
-    }
     
 }