[Android] Support RTL (#182)

* Update FileContents

* Update FileDownloader

* Update FileWriter

* Update ExportIcons

* Update README

* Fix name

* Update FileWriter

* Update ExportIcons

README.md

@@ -54,7 +54,7 @@ Table of Contents:
 * Supports High contrast colors for Xcode
 * Supports SwiftUI and UIKit
 * Supports Objective-C
-* Supports RTL (only iOS)
+* Supports RTL
 
 > Exporting icons and images works only for Professional/Organisation Figma plan because FigmaExport use *Shareable team libraries*.
 
@@ -452,7 +452,7 @@ Custom Stencil templates must have the following names:
 
 If a color, icon or image is unique for iOS or Android platform, it should contains "ios" or "android" word in the description field in the properties. If a color, icon or image is used only by the designer, and it should not be exported, the word "none" should be specified in the description field.
 
-If an icon supports RTL (iOS only), it should contains "rtl" word in the description field in the properties.
+If an icon supports RTL, it should contains "rtl" word in the description field in the properties.
 
 **Styles and Components must be published to a Team Library.**
 

Sources/FigmaExport/Output/FileDownloader.swift

@@ -42,7 +42,8 @@ final class FileDownloader {
                     destination: file.destination,
                     dataFile: fileURL,
                     scale: file.scale,
-                    dark: file.dark
+                    dark: file.dark,
+                    isRTL: file.isRTL
                 )
                 newFiles.append(newFile)
                 downloaded += 1

Sources/FigmaExport/Output/FileWriter.swift

@@ -24,4 +24,10 @@ final class FileWriter {
             }
         }
     }
+
+    func write(xmlFile: XMLDocument, directory: URL) throws {
+        let fileURL = URL(fileURLWithPath: directory.path)
+        let options: XMLNode.Options = [.nodePrettyPrint, .nodeCompactEmptyElement]
+        try xmlFile.xmlData(options: options).write(to: fileURL, options: .atomic)
+    }
 }

Sources/FigmaExport/Subcommands/ExportIcons.swift

@@ -144,12 +144,12 @@ extension FigmaExportCommand {
                 let lightFiles = asset.light.images.map { image -> FileContents in
                     let fileURL = URL(string: "\(image.name).svg")!
                     let dest = Destination(directory: tempDirectoryLightURL, file: fileURL)
-                    return FileContents(destination: dest, sourceURL: image.url)
+                    return FileContents(destination: dest, sourceURL: image.url, isRTL: image.isRTL)
                 }
                 let darkFiles = asset.dark?.images.map { image -> FileContents in
                     let fileURL = URL(string: "\(image.name).svg")!
                     let dest = Destination(directory: tempDirectoryDarkURL, file: fileURL)
-                    return FileContents(destination: dest, sourceURL: image.url, dark: true)
+                    return FileContents(destination: dest, sourceURL: image.url, dark: true, isRTL: image.isRTL)
                 } ?? []
                 return lightFiles + darkFiles
             }
@@ -182,6 +182,7 @@ extension FigmaExportCommand {
 
             // 6. Move XML files to main/res/drawable/
             localFiles = localFiles.map { fileContents -> FileContents in
+                let directory = fileContents.dark ? darkDirectory : lightDirectory
 
                 let source = fileContents.destination.url
                     .deletingPathExtension()
@@ -190,8 +191,9 @@ extension FigmaExportCommand {
                 let fileURL = fileContents.destination.file
                     .deletingPathExtension()
                     .appendingPathExtension("xml")
-
-                let directory = fileContents.dark ? darkDirectory : lightDirectory
+
+                rewriteXMLFile(from: source, fileContents: fileContents)
+
                 return FileContents(
                     destination: Destination(directory: directory, file: fileURL),
                     dataFile: source
@@ -227,3 +229,24 @@ extension FigmaExportCommand {
         }
     }
 }
+
+private extension FigmaExportCommand.ExportIcons {
+    private func rewriteXMLFile(from source: URL, fileContents: FileContents) {
+        guard fileContents.isRTL,
+              let attribute = XMLNode.attribute(withName: "android:autoMirrored", stringValue: "\(fileContents.isRTL)") as? XMLNode
+        else { return }
+        if let sourceXML = try? XMLDocument(contentsOf: source, options: .documentTidyXML) {
+            try? sourceXML.nodes(forXPath: "//vector").forEach { node in
+                guard let element = node as? XMLElement else { return }
+                element.addAttribute(attribute)
+            }
+
+            do {
+                FigmaExportCommand.logger.info("Add autoMirrored property for xml file...")
+                try FigmaExportCommand.fileWriter.write(xmlFile: sourceXML, directory: source)
+            } catch {
+                FigmaExportCommand.logger.info("Rewrite XMLFile - \(sourceXML) is faild")
+            }
+        }
+    }
+}

Sources/FigmaExportCore/FileContents.swift

@@ -31,35 +31,39 @@ public struct FileContents: Equatable {
 
     public var dark: Bool = false
     public var scale: Double = 1.0
+    public var isRTL: Bool = false
 
     /// In-memory file
-    public init(destination: Destination, data: Data, scale: Double = 1.0, dark: Bool = false) {
+    public init(destination: Destination, data: Data, scale: Double = 1.0, dark: Bool = false, isRTL: Bool = false) {
         self.destination = destination
         self.data = data
         self.dataFile = nil
         self.sourceURL = nil
         self.scale = scale
         self.dark = dark
+        self.isRTL = isRTL
     }
 
     /// Remote file
-    public init(destination: Destination, sourceURL: URL, scale: Double = 1.0, dark: Bool = false) {
+    public init(destination: Destination, sourceURL: URL, scale: Double = 1.0, dark: Bool = false, isRTL: Bool = false) {
         self.destination = destination
         self.data = nil
         self.dataFile = nil
         self.sourceURL = sourceURL
         self.scale = scale
         self.dark = dark
+        self.isRTL = isRTL
     }
 
     /// On-disk file
-    public init(destination: Destination, dataFile: URL, scale: Double = 1.0, dark: Bool = false) {
+    public init(destination: Destination, dataFile: URL, scale: Double = 1.0, dark: Bool = false, isRTL: Bool = false) {
         self.destination = destination
         self.data = nil
         self.dataFile = dataFile
         self.sourceURL = nil
         self.scale = scale
         self.dark = dark
+        self.isRTL = isRTL
     }
 
     /// Make a copy of the FileContents with different file extension