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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
*/
/// A code block.
public struct CodeBlock: BlockMarkup {
public var _data: _MarkupData
init(_ raw: RawMarkup) throws {
guard case .codeBlock = raw.data else {
throw RawMarkup.Error.concreteConversionError(from: raw, to: CodeBlock.self)
}
let absoluteRaw = AbsoluteRawMarkup(markup: raw, metadata: MarkupMetadata(id: .newRoot(), indexInParent: 0))
self.init(_MarkupData(absoluteRaw))
}
init(_ data: _MarkupData) {
self._data = data
}
}
// MARK: - Public API
public extension CodeBlock {
/// Create a code block with raw `code` and optional `language`.
init(language: String? = nil, _ code: String) {
try! self.init(RawMarkup.codeBlock(parsedRange: nil, code: code, language: language))
}
/// The name of the syntax or programming language of the code block, which may be `nil` when unspecified.
var language: String? {
get {
guard case let .codeBlock(_, language) = _data.raw.markup.data else {
fatalError("\(self) markup wrapped unexpected \(_data.raw)")
}
return language
}
set {
_data = _data.replacingSelf(.codeBlock(parsedRange: nil, code: code, language: newValue))
}
}
/// The raw text representing the code of this block.
var code: String {
get {
guard case let .codeBlock(code, _) = _data.raw.markup.data else {
fatalError("\(self) markup wrapped unexpected \(_data.raw)")
}
return code
}
set {
_data = _data.replacingSelf(.codeBlock(parsedRange: nil, code: newValue, language: language))
}
}
// MARK: Visitation
func accept<V: MarkupVisitor>(_ visitor: inout V) -> V.Result {
return visitor.visitCodeBlock(self)
}
}
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