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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2024 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 class TSCBasic.TerminalController
import protocol TSCBasic.WritableByteStream
/// A single line percent-based progress animation.
final class SingleLinePercentProgressAnimation: ProgressAnimationProtocol {
private let stream: WritableByteStream
private let header: String?
private var displayedPercentages: Set<Int> = []
private var hasDisplayedHeader = false
init(stream: WritableByteStream, header: String?) {
self.stream = stream
self.header = header
}
func update(step: Int, total: Int, text: String) {
if let header = header, !hasDisplayedHeader {
stream.send(header)
stream.send("\n")
stream.flush()
hasDisplayedHeader = true
}
let percentage = step * 100 / total
let roundedPercentage = Int(Double(percentage / 10).rounded(.down)) * 10
if percentage != 100, !displayedPercentages.contains(roundedPercentage) {
stream.send(String(roundedPercentage)).send(".. ")
displayedPercentages.insert(roundedPercentage)
}
stream.flush()
}
func complete(success: Bool) {
if success {
stream.send("OK")
stream.flush()
}
}
func clear() {
}
}
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