Javier Cicchelli
f090784973
This PR contains the work done to run terminal processes within the context of the app, conforming to Swift concurrency. Reviewed-on: #3 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
71 lines
1.5 KiB
Swift
71 lines
1.5 KiB
Swift
//
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// Pipe+AsyncAvailableData.swift
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// Piper ~ App
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//
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// Created by Javier Cicchelli on 05/10/2024.
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// Copyright © 2024 Röck+Cöde. All rights reserved.
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//
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import Foundation
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extension Pipe {
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struct AsyncAvailableData {
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// MARK: Properties
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private let pipe: Pipe
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// MARK: Initialisers
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init(_ pipe: Pipe) {
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self.pipe = pipe
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}
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// MARK: Functions
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func append() async -> Data {
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var data = Data()
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for await availableData in self {
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data.append(availableData)
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}
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return data
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}
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}
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}
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// MARK: - AsyncSequence
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extension Pipe.AsyncAvailableData: AsyncSequence {
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// MARK: Type aliases
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typealias AsyncIterator = AsyncStream<Data>.Iterator
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typealias Element = Data
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// MARK: Functions
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func makeAsyncIterator() -> AsyncIterator {
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AsyncStream { continuation in
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pipe.fileHandleForReading.readabilityHandler = { @Sendable handler in
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let data = handler.availableData
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guard !data.isEmpty else {
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continuation.finish()
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return
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}
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continuation.yield(data)
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}
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continuation.onTermination = { _ in
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pipe.fileHandleForReading.readabilityHandler = nil
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}
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}
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.makeAsyncIterator()
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}
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}
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