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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2020 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
//
//===----------------------------------------------------------------------===//
import Basics
/// A type of module map layout. Contains all the information needed to generate or use a module map for a target that can have C-style headers.
public enum ModuleMapType: Equatable {
/// No module map file.
case none
/// A custom module map file.
case custom(AbsolutePath)
/// An umbrella header included by a generated module map file.
case umbrellaHeader(AbsolutePath)
/// An umbrella directory included by a generated module map file.
case umbrellaDirectory(AbsolutePath)
}
extension ModuleMapType: Codable {
private enum CodingKeys: String, CodingKey {
case none, custom, umbrellaHeader, umbrellaDirectory
}
public init(from decoder: Decoder) throws {
let container = try decoder.container(keyedBy: CodingKeys.self)
if let path = try container.decodeIfPresent(AbsolutePath.self, forKey: .custom) {
self = .custom(path)
}
else if let path = try container.decodeIfPresent(AbsolutePath.self, forKey: .umbrellaHeader) {
self = .umbrellaHeader(path)
}
else if let path = try container.decodeIfPresent(AbsolutePath.self, forKey: .umbrellaDirectory) {
self = .umbrellaDirectory(path)
}
else {
self = .none
}
}
public func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
switch self {
case .none:
break
case .custom(let path):
try container.encode(path, forKey: .custom)
case .umbrellaHeader(let path):
try container.encode(path, forKey: .umbrellaHeader)
case .umbrellaDirectory(let path):
try container.encode(path, forKey: .umbrellaDirectory)
}
}
}
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