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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
extension Locale {
@available(macOS 13, iOS 16, tvOS 16, watchOS 9, *)
public struct Language : Hashable, Codable, Sendable {
@available(macOS 13, iOS 16, tvOS 16, watchOS 9, *)
/// Represents a language identifier
public struct Components : Hashable, Codable, Sendable {
public var languageCode: Locale.LanguageCode?
public var script: Locale.Script?
public var region: Locale.Region?
public init(languageCode: Locale.LanguageCode? = nil, script: Locale.Script? = nil, region: Locale.Region? = nil) {
self.languageCode = languageCode
self.script = script
self.region = region
}
package var identifier: String {
var result: String = ""
if let languageCode = languageCode {
result += languageCode._normalizedIdentifier
}
if let script = script {
result += "-"
result += script._normalizedIdentifier
}
if let region = region {
result += "_"
result += region._normalizedIdentifier
}
return result
}
#if !FOUNDATION_FRAMEWORK
@_spi(SwiftCorelibsFoundation) public var _identifier: String { identifier }
#endif
}
package var components: Language.Components
#if !FOUNDATION_FRAMEWORK
@_spi(SwiftCorelibsFoundation) public var _components: Language.Components {
components
}
#endif
public init(components: Language.Components) {
self.components = components
}
public init(languageCode: Locale.LanguageCode? = nil, script: Locale.Script? = nil, region: Locale.Region? = nil) {
self.components = Components(languageCode: languageCode, script: script, region: region)
}
/// Returns a list of system languages, includes the languages of all product localization for the current platform
public static var systemLanguages: [Language] {
#if FOUNDATION_FRAMEWORK && canImport(_FoundationICU)
NSLocale.systemLanguages().map {
let comp = Components(identifier: $0 as! String)
return Language(components: comp)
}
#else
// TODO: Read language list for other platforms
return []
#endif
}
}
}
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