114 lines
5.1 KiB
Swift
114 lines
5.1 KiB
Swift
// Copyright (c) 2026 GiantAccel, LLC
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// XStats modifications Copyright (C) 2026 ysicing
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// SPDX-License-Identifier: AGPL-3.0-or-later AND MIT
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// See LICENSE, LICENSING.md and LICENSES/OpenStats-MIT.txt.
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import Foundation
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/// 保留 system / chinese / english 的持久化值，已有本机设置及 WebDAV 备份可继续读取。
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public enum AppLanguage: String, CaseIterable, Sendable {
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case system, chinese, traditionalChinese, japanese, korean, english, german, spanish, french, arabic
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public var languageCode: String {
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switch self {
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case .system: resolved.languageCode
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case .chinese: "zh-Hans"
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case .traditionalChinese: "zh-Hant"
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case .japanese: "ja"
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case .korean: "ko"
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case .english: "en"
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case .german: "de"
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case .spanish: "es"
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case .french: "fr"
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case .arabic: "ar"
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}
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}
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public var nativeName: String {
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switch self {
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case .system: "自动检测"
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case .chinese: "简体中文"
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case .traditionalChinese: "繁體中文"
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case .japanese: "日本語"
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case .korean: "한국어"
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case .english: "English"
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case .german: "Deutsch"
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case .spanish: "Español"
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case .french: "Français"
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case .arabic: "العربية"
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}
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}
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public var isRightToLeft: Bool { (self == .system ? resolved : self) == .arabic }
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public var isChinese: Bool { self == .chinese || self == .traditionalChinese }
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/// 用户可按母语名称、中文名、英文名或语言代码搜索，忽略大小写和重音。
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public func matches(search: String) -> Bool {
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let query = search.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !query.isEmpty else { return true }
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let aliases: String
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switch self {
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case .system: aliases = "system auto detect automatically 自动检测 跟随系统"
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case .chinese: aliases = "Simplified Chinese 中文 简体 zh-CN zh-SG"
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case .traditionalChinese: aliases = "Traditional Chinese 中文 繁体中文 繁體 zh-TW zh-HK zh-MO"
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case .japanese: aliases = "Japanese 日语 日文 日本語"
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case .korean: aliases = "Korean 韩语 韓語 韩文 한국어"
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case .english: aliases = "English 英语 英語 英文"
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case .german: aliases = "German 德语 德語"
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case .spanish: aliases = "Spanish 西班牙语 西班牙語"
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case .french: aliases = "French 法语 法語"
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case .arabic: aliases = "Arabic 阿拉伯语 阿拉伯語"
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}
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let haystack = "\(nativeName) \(languageCode) \(aliases)"
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return haystack.range(of: query, options: [.caseInsensitive, .diacriticInsensitive],
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locale: Locale(identifier: "en_US_POSIX")) != nil
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}
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/// 按用户的首选顺序选择支持的语言；不支持的首选项可回退到列表中的下一项。
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public static func resolve(preferredLanguages: [String]) -> AppLanguage {
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for identifier in preferredLanguages {
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let parts = identifier.replacingOccurrences(of: "_", with: "-").lowercased().split(separator: "-")
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guard let base = parts.first else { continue }
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switch base {
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case "zh":
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if parts.contains("hans") { return .chinese }
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if parts.contains("hant") || parts.contains("tw") || parts.contains("hk") || parts.contains("mo") {
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return .traditionalChinese
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}
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return .chinese
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case "ja": return .japanese
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case "ko": return .korean
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case "en": return .english
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case "de": return .german
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case "es": return .spanish
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case "fr": return .french
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case "ar": return .arabic
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default: continue
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}
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}
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return .english
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}
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/// 读取全局首选语言，避免被应用自己写入的 AppleLanguages 覆盖。
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public var resolved: AppLanguage {
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guard self == .system else { return self }
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let global = CFPreferencesCopyValue("AppleLanguages" as CFString, kCFPreferencesAnyApplication,
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kCFPreferencesCurrentUser, kCFPreferencesAnyHost) as? [String]
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return Self.resolve(preferredLanguages: global ?? Locale.preferredLanguages)
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}
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/// 只修改语言，保留用户地区；系统提供的部分文字在下次启动时更新。
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public func applyToProcessLocale(defaults: UserDefaults = .standard) {
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guard self != .system else {
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defaults.removeObject(forKey: "AppleLanguages")
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defaults.removeObject(forKey: "AppleLocale")
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return
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}
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let global = CFPreferencesCopyValue("AppleLocale" as CFString, kCFPreferencesAnyApplication,
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kCFPreferencesCurrentUser, kCFPreferencesAnyHost) as? String
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let region = global.flatMap { Locale(identifier: $0).region?.identifier } ?? "US"
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defaults.set([languageCode], forKey: "AppleLanguages")
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defaults.set(languageCode.replacingOccurrences(of: "-", with: "_") + "_" + region, forKey: "AppleLocale")
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}
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}
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