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//
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// Copyright © 2024 naveenrajm7. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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@MainActor
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@objc(UTMScriptingImportCommand)
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class UTMScriptingImportCommand: NSCreateCommand, UTMScriptable {
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private var data: UTMData? {
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(NSApp.scriptingDelegate as? AppDelegate)?.data
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}
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@objc override func performDefaultImplementation() -> Any? {
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if createClassDescription.implementationClassName == "UTMScriptingVirtualMachineImpl" {
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withScriptCommand(self) { [self] in
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// Retrieve the import file URL from the evaluated arguments
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guard let fileUrl = evaluatedArguments?["file"] as? URL else {
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throw ScriptingError.fileNotSpecified
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}
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// Validate the file (UTM is a directory) path
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guard FileManager.default.fileExists(atPath: fileUrl.path) else {
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throw ScriptingError.fileNotFound
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}
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return try await importVirtualMachine(from: fileUrl).objectSpecifier
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}
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return nil
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} else {
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return super.performDefaultImplementation()
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}
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}
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private func importVirtualMachine(from url: URL) async throws -> UTMScriptingVirtualMachineImpl {
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guard let data = data else {
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throw ScriptingError.notReady
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}
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// import the VM
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let vm = try await data.importNewUTM(from: url)
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// return VM scripting object
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return UTMScriptingVirtualMachineImpl(for: vm, data: data)
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}
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enum ScriptingError: Error, LocalizedError {
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case notReady
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case fileNotFound
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case fileNotSpecified
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var errorDescription: String? {
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switch self {
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case .notReady: return NSLocalizedString("UTM is not ready to accept commands.", comment: "UTMScriptingAppDelegate")
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case .fileNotFound: return NSLocalizedString("A valid UTM file must be specified.", comment: "UTMScriptingAppDelegate")
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case .fileNotSpecified: return NSLocalizedString("No file specified in the command.", comment: "UTMScriptingAppDelegate")
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}
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}
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}
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}
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