57 lines
2.3 KiB
Swift
57 lines
2.3 KiB
Swift
import Foundation
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import TermindDomain
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public nonisolated protocol RemoteFileSystem: Sendable {
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func listDirectory(at path: String) async throws -> [RemoteFile]
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func attributes(at path: String) async throws -> RemoteFile?
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func readFile(at path: String, maximumBytes: Int) async throws -> Data
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func writeFile(_ data: Data, at path: String, overwrite: Bool) async throws
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func setPermissions(at path: String, to permissions: UInt32) async throws
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func createDirectory(at path: String) async throws
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func rename(from source: String, to destination: String, overwrite: Bool) async throws
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func removeFile(at path: String) async throws
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func removeDirectory(at path: String) async throws
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}
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public nonisolated enum RemoteFileName {
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public static func isValid(_ name: String) -> Bool {
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!name.isEmpty && name != "." && name != ".." && !name.contains("/")
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&& !name.unicodeScalars.contains(where: { CharacterSet.controlCharacters.contains($0) })
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}
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}
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nonisolated extension RemoteFileSystem {
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public func directoryContents(at path: String) async throws -> [RemoteFile] {
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try await listDirectory(at: path).sorted {
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if $0.isDirectory != $1.isDirectory { return $0.isDirectory }
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return $0.name.localizedStandardCompare($1.name) == .orderedAscending
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}
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}
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public func createDirectory(named name: String, in directory: String) async throws {
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guard RemoteFileName.isValid(name) else { throw CocoaError(.fileWriteInvalidFileName) }
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try await createDirectory(at: RemotePath.join(directory, name))
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}
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public func rename(_ file: RemoteFile, to name: String) async throws {
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guard RemoteFileName.isValid(name) else { throw CocoaError(.fileWriteInvalidFileName) }
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try await rename(
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from: file.path,
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to: RemotePath.join(RemotePath.parent(of: file.path), name),
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overwrite: false
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)
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}
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public func setPermissions(of file: RemoteFile, to permissions: UInt32) async throws {
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try await setPermissions(at: file.path, to: permissions & 0o7777)
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}
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public func remove(_ file: RemoteFile) async throws {
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if file.isDirectory {
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try await removeDirectory(at: file.path)
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} else {
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try await removeFile(at: file.path)
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}
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}
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}
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