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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
public import SWBUtil
import SWBLibc
public import SWBCore
import Foundation
/// Concrete implementation of task for copying a property list file.
public final class CopyTiffTaskAction: TaskAction {
/// The parsed command line options.
private struct Options {
static func emitUsage(_ name: String, _ outputDelegate: any TaskOutputDelegate) {
outputDelegate.emitOutput { stream in
stream <<< "usage: \(name) [--compression none|<method>] --outdir <path> {input-file}*\n"
stream <<< " --compression {none|<tiffutil method>\n"
stream <<< " The name of a compression method for use with tiffutil(1).\n"
stream <<< " --outdir <path>\n"
stream <<< " Specify the output directory to copy to.\n"
}
}
/// The name of the compression method, if provided.
let compression: String?
/// The list of input paths.
let inputs: [Path]
/// The output directory.
//
// FIXME: This tool needs to change to allow destination file options. Currently, the build system is unable to effect a copy that also renames.
let outputDirectory: Path
init?(_ commandLine: AnySequence<String>, _ outputDelegate: any TaskOutputDelegate) {
var compression: String? = nil
var foundOutdirOption = false
var outputDirectory: Path? = nil
var hadErrors = false
func error(_ message: String) {
outputDelegate.emitError(message)
hadErrors = true
}
// Parse the arguments.
let generator = commandLine.makeIterator()
// Skip the executable.
let programName = generator.next() ?? "<<missing program name>>"
argumentParsing:
while let arg = generator.next() {
switch arg {
case "--":
break argumentParsing
case "--compression":
guard let name = generator.next() else {
error("missing argument for option: '\(arg)'")
continue
}
if name == "none" {
compression = nil
} else {
compression = name
}
case "--outdir":
foundOutdirOption = true
guard let value = generator.next() else {
error("missing argument for option: '\(arg)'")
continue
}
outputDirectory = Path(value)
default:
error("unrecognized argument: '\(arg)'")
}
}
// All remaining arguments are input paths.
let inputs = generator.map { Path($0 )}
// Diagnose missing inputs.
if inputs.isEmpty {
error("no input files specified")
}
// Diagnose missing output directory option.
if outputDirectory == nil && !foundOutdirOption {
error("missing required '--outdir' argument")
outputDirectory = Path("<<error>>")
}
// If there were errors, emit the usage and return an error.
if hadErrors {
outputDelegate.emitOutput("\n")
Options.emitUsage(programName, outputDelegate)
return nil
}
// Initialize contents.
self.compression = compression
self.inputs = inputs
self.outputDirectory = outputDirectory!
}
}
public override class var toolIdentifier: String {
return "copy-tiff"
}
public override init() {
super.init()
}
public override func performTaskAction(
_ task: any ExecutableTask,
dynamicExecutionDelegate: any DynamicTaskExecutionDelegate,
executionDelegate: any TaskExecutionDelegate,
clientDelegate: any TaskExecutionClientDelegate,
outputDelegate: any TaskOutputDelegate
) async -> CommandResult {
// Parse the arguments.
guard let options = Options(task.commandLineAsStrings, outputDelegate) else {
return .failed
}
// Copy each input.
for input in options.inputs {
// Make absolute.
let input = task.workingDirectory.join(input)
let output = task.workingDirectory.join(options.outputDirectory).join(input.basename)
// If we have a compression argument, pass through tiffutil.
if let compression = options.compression {
let tiffutilCommand = ["/usr/bin/tiffutil", "-\(compression)", input.str, "-out", output.str]
let processDelegate = TaskProcessDelegate(outputDelegate: outputDelegate)
do {
try await spawn(commandLine: tiffutilCommand, environment: task.environment.bindingsDictionary, workingDirectory: task.workingDirectory, dynamicExecutionDelegate: dynamicExecutionDelegate, clientDelegate: clientDelegate, processDelegate: processDelegate)
} catch {
outputDelegate.error(error.localizedDescription)
return .failed
}
if let error = processDelegate.executionError {
outputDelegate.error(error)
return .failed
}
if let commandResult = processDelegate.commandResult, commandResult != .succeeded {
outputDelegate.emitError("tiffutil failed")
return commandResult
}
} else {
// Otherwise, just copy the file.
//
// FIXME: We need to factor this to common code, we need error handling support, and we need to preserve permissions probably.
// Read the input file.
let contents: ByteString
do {
contents = try executionDelegate.fs.read(input)
}
catch {
outputDelegate.emitError("unable to read input file '\(input.str)': \(error.localizedDescription)")
return .failed
}
// FIXME: The native build system would remove the old file if it existed, perform the copy, then update the mod time on the new file.
do {
try executionDelegate.fs.write(output, contents: contents)
}
catch {
outputDelegate.emitError("unable to write file '\(output.str)': \(error.localizedDescription)")
return .failed
}
}
}
return .succeeded
}
// Serialization
public override func serialize<T: Serializer>(to serializer: T)
{
super.serialize(to: serializer)
}
public required init(from deserializer: any Deserializer) throws
{
try super.init(from: deserializer)
}
}
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