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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021 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 RenderInlineContent: TextIndexing {
public var headings: [String] {
return []
}
public func rawIndexableTextContent(references: [String : RenderReference]) -> String {
switch self {
case let .emphasis(inlines):
return inlines.rawIndexableTextContent(references: references)
case let .strong(inlines):
return inlines.rawIndexableTextContent(references: references)
case let .text(string):
return string
case let .codeVoice(string):
return string
case .image(_, let metadata):
return metadata?.rawIndexableTextContent(references: references) ?? ""
case let .reference(identifier, _, overridingTitle, overridingTitleInlineContent):
if let overridingTitleInlineContent {
return overridingTitleInlineContent.rawIndexableTextContent(references: references)
} else if let overridingTitle {
return overridingTitle
} else if let reference = references[identifier.identifier] as? TopicRenderReference {
return reference.title
} else if let imageReference = references[identifier.identifier] as? ImageReference {
return imageReference.altText ?? ""
} else if let videoReference = references[identifier.identifier] as? VideoReference {
return videoReference.altText ?? ""
} else if let linkReference = references[identifier.identifier] as? LinkReference {
return linkReference.titleInlineContent.rawIndexableTextContent(references: references)
} else {
return ""
}
case let .newTerm(inlines):
return inlines.rawIndexableTextContent(references: references)
case let .inlineHead(inlines):
return inlines.rawIndexableTextContent(references: references)
case let .subscript(inlines):
return inlines.rawIndexableTextContent(references: references)
case let .superscript(inlines):
return inlines.rawIndexableTextContent(references: references)
case let .strikethrough(inlines):
return inlines.rawIndexableTextContent(references: references)
}
}
}
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