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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021-2023 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
*/
import Foundation
public import Markdown
/// A reference to a ``Tutorial`` or ``TutorialArticle`` by `URL`.
public final class TutorialReference: Semantic, AutomaticDirectiveConvertible {
public static let introducedVersion = "5.5"
public var originalMarkup: BlockDirective
/// The tutorial page or tutorial article to which this refers.
@DirectiveArgumentWrapped(
name: .custom("tutorial"),
parseArgument: { _, argumentValue in
guard let url = ValidatedURL(parsingAuthoredLink: argumentValue), !url.components.path.isEmpty else {
return nil
}
return .unresolved(UnresolvedTopicReference(topicURL: url))
}
)
public private(set) var topic: TopicReference
static var keyPaths: [String : AnyKeyPath] = [
"topic" : \TutorialReference._topic
]
init(originalMarkup: BlockDirective, tutorial: TopicReference) {
self.originalMarkup = originalMarkup
super.init()
self.topic = tutorial
}
@available(*, deprecated, message: "Do not call directly. Required for 'AutomaticDirectiveConvertible'.")
init(originalMarkup: BlockDirective) {
self.originalMarkup = originalMarkup
}
public override func accept<V: SemanticVisitor>(_ visitor: inout V) -> V.Result {
return visitor.visitTutorialReference(self)
}
}
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