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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for Swift project authors
//
extension ABIv0 {
/// A type implementing the JSON encoding of records for the ABI entry point
/// and event stream output.
///
/// This type is not part of the public interface of the testing library. It
/// assists in converting values to JSON; clients that consume this JSON are
/// expected to write their own decoders.
struct Record: Sendable {
/// The version of this record.
///
/// The value of this property corresponds to the ABI version i.e. `0`.
var version = 0
/// An enumeration describing the various kinds of record.
enum Kind: Sendable {
/// A test record.
case test(EncodedTest)
/// An event record.
case event(EncodedEvent)
}
/// The kind of record.
var kind: Kind
init(encoding test: borrowing Test) {
kind = .test(EncodedTest(encoding: test))
}
init?(encoding event: borrowing Event, in eventContext: borrowing Event.Context, messages: borrowing [Event.HumanReadableOutputRecorder.Message]) {
guard let event = EncodedEvent(encoding: event, in: eventContext, messages: messages) else {
return nil
}
kind = .event(event)
}
}
}
// MARK: - Codable
extension ABIv0.Record: Codable {
private enum CodingKeys: String, CodingKey {
case version
case kind
case payload
}
func encode(to encoder: any Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(version, forKey: .version)
switch kind {
case let .test(test):
try container.encode("test", forKey: .kind)
try container.encode(test, forKey: .payload)
case let .event(event):
try container.encode("event", forKey: .kind)
try container.encode(event, forKey: .payload)
}
}
init(from decoder: any Decoder) throws {
let container = try decoder.container(keyedBy: CodingKeys.self)
version = try container.decode(Int.self, forKey: .version)
switch try container.decode(String.self, forKey: .kind) {
case "test":
let test = try container.decode(ABIv0.EncodedTest.self, forKey: .payload)
kind = .test(test)
case "event":
let event = try container.decode(ABIv0.EncodedEvent.self, forKey: .payload)
kind = .event(event)
case let kind:
throw DecodingError.dataCorrupted(.init(codingPath: decoder.codingPath, debugDescription: "Unrecognized record kind '\(kind)'"))
}
}
}
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