Localizations Setup (#6)

* Move assets into ElementX folder * Add first version of localizer script * Add generated strings & tests & fallback mechanism * Rename strings file to Localizable * Rename Assets to Resources * Calculate preferred languages only when needed, remove share extension check * Add comments in the localizer script * Add GH workflow to push issues to the [ElementX board](https://github.com/orgs/vector-im/projects/43) * Closes #16 - Add license file * New version of localizer script, handle pluralization * Move assets into ElementX folder * Add first version of localizer script * Add generated strings & tests & fallback mechanism * Rename strings file to Localizable * Rename Assets to Resources * Calculate preferred languages only when needed, remove share extension check * Add comments in the localizer script * New version of localizer script, handle pluralization * Revert login button text * Add multiple dialect pluralization, fix string formatting Co-authored-by: manuroe <manu@matrix.org> Co-authored-by: Stefan Ceriu <stefanc@matrix.org>
2026-11-04 10:33:45 +00:00 · 2022-04-26 22:48:17 +03:00
parent dc0bc5d9a4
commit 25eea4bcf1
184 changed files with 109472 additions and 14 deletions
@@ -0,0 +1,64 @@
+//
+//  Bundle.swift
+//  ElementX
+//
+//  Created by Ismail on 15.04.2022.
+//  Copyright © 2022 element.io. All rights reserved.
+//
+
+import Foundation
+
+public extension Bundle {
+
+    /// Returns the real app bundle.
+    /// Can also be used in app extensions.
+    static let app: Bundle = {
+        let bundle = main
+        if bundle.bundleURL.pathExtension == "appex" {
+            // Peel off two directory levels - MY_APP.app/PlugIns/MY_APP_EXTENSION.appex
+            let url = bundle.bundleURL.deletingLastPathComponent().deletingLastPathComponent()
+            if let otherBundle = Bundle(url: url) {
+                return otherBundle
+            }
+        }
+        return bundle
+    }()
+
+    /// Get an lproj language bundle from the main app bundle.
+    /// - Parameter language: The language to try to load.
+    /// - Returns: The lproj bundle if found otherwise nil.
+    @objc static func lprojBundle(for language: String) -> Bundle? {
+        guard let lprojURL = Bundle.app.url(forResource: language, withExtension: "lproj") else { return nil }
+        return Bundle(url: lprojURL)
+    }
+
+    /// Preferred app language for translations. Takes the highest priority in translations. The priority list for translations:
+    /// - `Bundle.elementLanguage`
+    /// - `Locale.preferredLanguages`
+    /// - `Bundle.elementFallbackLanguage`
+    static var elementLanguage: String? {
+        didSet {
+            preferredLanguages = calculatePreferredLanguages()
+        }
+    }
+
+    /// Preferred fallback language for translations. Only used for strings not translated neither to `elementLanguage` nor to one of the user's preferred languages.
+    static var elementFallbackLanguage: String? {
+        didSet {
+            preferredLanguages = calculatePreferredLanguages()
+        }
+    }
+
+    /// Preferred languages in the priority order.
+    static private(set) var preferredLanguages: [String] = calculatePreferredLanguages()
+
+    private static func calculatePreferredLanguages() -> [String] {
+        var set = Set<String>()
+        return ([Bundle.elementLanguage] +
+                Locale.preferredLanguages +
+                [Bundle.elementFallbackLanguage])
+        .compactMap { $0 }
+        .filter { set.insert($0).inserted }
+    }
+
+}