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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
public enum CommandLineArgument: Equatable, Hashable, ExpressibleByStringLiteral, Serializable, Sendable {
case literal(ByteString)
case path(Path)
case parentPath(Path)
public var asString: String {
switch self {
case .literal(let byteString):
return byteString.asString
case .path(let path):
return path.str
case .parentPath(let path):
return path.dirname.str
}
}
public var asByteString: ByteString {
switch self {
case .literal(let byteString):
return byteString
case .path(let path):
return ByteString(encodingAsUTF8: path.str)
case .parentPath(let path):
return ByteString(encodingAsUTF8: path.dirname.str)
}
}
public init(stringLiteral value: StringLiteralType) {
self = .literal(ByteString(stringLiteral: value))
}
public func serialize<T>(to serializer: T) where T : SWBUtil.Serializer {
switch self {
case .literal(let byteString):
// FIXME: pack in one byte
serializer.beginAggregate(2)
serializer.serialize(0 as UInt8)
serializer.serialize(byteString)
serializer.endAggregate()
case .path(let path):
serializer.beginAggregate(2)
serializer.serialize(1 as UInt8)
serializer.serialize(path)
serializer.endAggregate()
case .parentPath(let path):
serializer.beginAggregate(2)
serializer.serialize(2 as UInt8)
serializer.serialize(path)
serializer.endAggregate()
}
}
public init(from deserializer: any SWBUtil.Deserializer) throws {
try deserializer.beginAggregate(2)
switch try deserializer.deserialize() as UInt8 {
case 0:
self = .literal(try deserializer.deserialize())
case 1:
self = .path(try deserializer.deserialize())
case 2:
self = .parentPath(try deserializer.deserialize())
default:
throw StubError.error("unknown command line argument type")
}
}
}
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