143 lines
5.0 KiB
Swift
143 lines
5.0 KiB
Swift
import Foundation
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/// The `extension` that provides static properties that are common directories.
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private enum Foo {
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//MARK: Common Directories
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/// Returns a `Path` containing `FileManager.default.currentDirectoryPath`.
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static var cwd: DynamicPath {
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return .init(string: FileManager.default.currentDirectoryPath)
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}
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/// Returns a `Path` representing the root path.
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static var root: DynamicPath {
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return .init(string: "/")
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}
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#if swift(>=5.3)
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public static func source(for filePath: String = #filePath) -> (file: DynamicPath, directory: DynamicPath) {
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let file = DynamicPath(string: filePath)
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return (file: file, directory: .init(file.parent))
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}
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#else
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public static func source(for filePath: String = #file) -> (file: DynamicPath, directory: DynamicPath) {
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let file = DynamicPath(string: filePath)
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return (file: file, directory: .init(file.parent))
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}
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#endif
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/// Returns a `Path` representing the user’s home directory
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static var home: DynamicPath {
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let string: String
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#if os(macOS)
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if #available(OSX 10.12, *) {
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string = FileManager.default.homeDirectoryForCurrentUser.path
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} else {
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string = NSHomeDirectory()
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}
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#else
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string = NSHomeDirectory()
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#endif
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return .init(string: string)
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}
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/// Helper to allow search path and domain mask to be passed in.
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private static func path(for searchPath: FileManager.SearchPathDirectory) -> DynamicPath {
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#if os(Linux)
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// the urls(for:in:) function is not implemented on Linux
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//TODO strictly we should first try to use the provided binary tool
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let foo = { ProcessInfo.processInfo.environment[$0].flatMap(Path.init).map(DynamicPath.init) ?? $1 }
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switch searchPath {
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case .documentDirectory:
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return Path.home.Documents
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case .applicationSupportDirectory:
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return foo("XDG_DATA_HOME", Path.home[dynamicMember: ".local/share"])
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case .cachesDirectory:
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return foo("XDG_CACHE_HOME", Path.home[dynamicMember: ".cache"])
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default:
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fatalError()
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}
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#else
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guard let pathString = FileManager.default.urls(for: searchPath, in: .userDomainMask).first?.path else { return defaultUrl(for: searchPath) }
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return DynamicPath(string: pathString)
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#endif
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}
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/**
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The root for user documents.
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- Note: There is no standard location for documents on Linux, thus we return `~/Documents`.
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- Note: You should create a subdirectory before creating any files.
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*/
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static var documents: DynamicPath {
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return path(for: .documentDirectory)
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}
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/**
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The root for cache files.
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- Note: On Linux this is `XDG_CACHE_HOME`.
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- Note: You should create a subdirectory before creating any files.
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*/
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static var caches: DynamicPath {
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return path(for: .cachesDirectory)
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}
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/**
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For data that supports your running application.
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- Note: On Linux is `XDG_DATA_HOME`.
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- Note: You should create a subdirectory before creating any files.
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*/
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static var applicationSupport: DynamicPath {
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return path(for: .applicationSupportDirectory)
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}
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}
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#if !os(Linux)
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func defaultUrl(for searchPath: FileManager.SearchPathDirectory) -> DynamicPath {
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switch searchPath {
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case .documentDirectory:
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return Path.home.Documents
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case .applicationSupportDirectory:
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return Path.home.Library[dynamicMember: "Application Support"]
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case .cachesDirectory:
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return Path.home.Library.Caches
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default:
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fatalError()
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}
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}
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#endif
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/// The `extension` that provides static properties that are common directories.
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#if swift(>=5.5)
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public extension Pathish where Self == Path {
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static var home: DynamicPath { return Foo.home }
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static var root: DynamicPath { return Foo.root }
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static var cwd: DynamicPath { return Foo.cwd }
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static var documents: DynamicPath { return Foo.documents }
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static var caches: DynamicPath { return Foo.caches }
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static var applicationSupport: DynamicPath { return Foo.applicationSupport }
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static func source(for filePath: String = #filePath) -> (file: DynamicPath, directory: DynamicPath) {
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return Foo.source(for: filePath)
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}
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}
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#else
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public extension Path {
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static var home: DynamicPath { return Foo.home }
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static var root: DynamicPath { return Foo.root }
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static var cwd: DynamicPath { return Foo.cwd }
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static var documents: DynamicPath { return Foo.documents }
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static var caches: DynamicPath { return Foo.caches }
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static var applicationSupport: DynamicPath { return Foo.applicationSupport }
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#if swift(>=5.3)
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static func source(for filePath: String = #filePath) -> (file: DynamicPath, directory: DynamicPath) {
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return Foo.source(for: filePath)
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}
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#else
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static func source(for file: String = #file) -> (file: DynamicPath, directory: DynamicPath) {
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return Foo.source(for: file)
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}
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#endif
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}
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#endif
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