build: initial project release

src/process.dummy.app/Output.cs

@@ -0,0 +1,42 @@
+// Copyright (c) The Geekeey Authors
+// SPDX-License-Identifier: EUPL-1.2
+
+internal sealed class Output : IDisposable
+{
+	private readonly CancellationTokenSource _cts = new();
+
+	public Output()
+	{
+		Console.CancelKeyPress += Cancel;
+	}
+
+	public StreamReader Stdin { get; } = new(Console.OpenStandardInput(), leaveOpen: false);
+
+	public StreamWriter Stdout { get; } = new(Console.OpenStandardOutput(), leaveOpen: false);
+
+	public StreamWriter Stderr { get; } = new(Console.OpenStandardError(), leaveOpen: false);
+
+	public CancellationToken CancellationToken => _cts.Token;
+
+	public static Output Connect()
+	{
+		return new Output();
+	}
+
+	private void Cancel(object? sender, ConsoleCancelEventArgs args)
+	{
+		args.Cancel = true;
+		_cts.Cancel();
+	}
+
+	public void Dispose()
+	{
+		Stdout.BaseStream.Flush();
+		Stdout.Dispose();
+		Stderr.BaseStream.Flush();
+		Stderr.Dispose();
+		Stdin.Dispose();
+		Console.CancelKeyPress -= Cancel;
+		_cts.Dispose();
+	}
+}