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letro-ios/ElementX/Sources/Other/Extensions/Bundle.swift

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2.0 KiB
Swift

//
// Copyright 2022 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
public extension Bundle {
/// The top-level bundle that contains the entire app.
static var app: Bundle {
var bundle = 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) {
bundle = otherBundle
}
}
return bundle
}
// MARK: - Localisation
private static var cachedLocalizationBundles = [String: Bundle]()
/// Get an lproj language bundle from the receiver bundle.
/// - Parameter language: The language to try to load.
/// - Returns: The lproj bundle if found otherwise nil.
static func lprojBundle(for language: String) -> Bundle? {
if let bundle = cachedLocalizationBundles[language] {
return bundle
}
guard let lprojURL = Bundle.app.url(forResource: language, withExtension: "lproj") else {
return nil
}
let bundle = Bundle(url: lprojURL)
cachedLocalizationBundles[language] = bundle
return bundle
}
/// Overrides `Bundle.app.preferredLocalizations` for testing translations.
static var overrideLocalizations: [String]?
}