Publish v1.0

Reviewed-on: #1

Sources/ResgenSwift/Images/Generator/ImageExtensionGenerator.swift

@@ -0,0 +1,77 @@
+//
+//  ImageExtensionGenerator.swift
+//  
+//
+//  Created by Thibaut Schmitt on 14/02/2022.
+//
+
+import ToolCore
+import Foundation
+
+class ImageExtensionGenerator {
+    
+    // MARK: - pragm
+    
+    static func generateExtensionFile(images: [ParsedImage],
+                                      staticVar: Bool,
+                                      inputFilename: String,
+                                      extensionName: String,
+                                      extensionFilePath: String) {
+        // Create extension conten1t
+        let extensionContent = Self.getExtensionContent(images: images,
+                                                        staticVar: staticVar,
+                                                        extensionName: extensionName,
+                                                        inputFilename: inputFilename)
+        
+        // Write content
+        let extensionFilePathURL = URL(fileURLWithPath: extensionFilePath)
+        do {
+            try extensionContent.write(to: extensionFilePathURL, atomically: false, encoding: .utf8)
+        } catch (let error) {
+            let error = ImagesError.writeFile(extensionFilePath, error.localizedDescription)
+            print(error.localizedDescription)
+            Images.exit(withError: error)
+        }
+    }
+    
+    // MARK: - Extension content
+    
+    static func getExtensionContent(images: [ParsedImage], staticVar: Bool, extensionName: String, inputFilename: String) -> String {
+        [
+            Self.getHeader(inputFilename: inputFilename, extensionClassname: extensionName),
+            Self.getProperties(images: images, staticVar: staticVar),
+            Self.getFooter()
+        ]
+            .joined(separator: "\n")
+    }
+    
+    // MARK: - Extension part
+    
+    private static func getHeader(inputFilename: String, extensionClassname: String) -> String {
+        """
+        // Generated by ResgenSwift.\(Images.toolName) \(ResgenSwiftVersion)
+        // Images from \(inputFilename)
+        
+        import UIKit
+        
+        extension \(extensionClassname) {
+        """
+    }
+    
+    private static func getProperties(images: [ParsedImage], staticVar: Bool) -> String {
+        if staticVar {
+            return images
+                .map { "\n\($0.getStaticImageProperty())" }
+                .joined(separator: "\n")
+        }
+        return images
+            .map { "\n\($0.getImageProperty())" }
+            .joined(separator: "\n")
+    }
+    
+    private static func getFooter() -> String {
+        """
+        }
+        """
+    }
+}