From af42b0468c4536d5cbd2afaf9c25d94690ea86e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9A=D0=BE=D0=BD=D1=81=D1=82=D0=B0=D0=BD=D1=82=D0=B8?=
 =?UTF-8?q?=D0=BD=20=D0=94=D1=8C=D1=8F=D1=87=D0=B5=D0=BD=D0=BA=D0=BE?=
 <konard@me.com>
Date: Sun, 21 Jul 2019 13:30:21 +0300
Subject: [PATCH] Version 0.0.3. Console (Standard IO) related classed forked
 from: https://github.com/Konard/LinksPlatform

---
 ConsoleCancellationHandler.cs | 55 +++++++++++++++++++++++++++++++++++
 ConsoleHelpers.cs             | 35 ++++++++++++++++++++++
 Platform.IO.csproj            |  5 ++--
 3 files changed, 93 insertions(+), 2 deletions(-)
 create mode 100644 ConsoleCancellationHandler.cs
 create mode 100644 ConsoleHelpers.cs

diff --git a/ConsoleCancellationHandler.cs b/ConsoleCancellationHandler.cs
new file mode 100644
index 0000000..88ece09
--- /dev/null
+++ b/ConsoleCancellationHandler.cs
@@ -0,0 +1,55 @@
+using System;
+using System.Threading;
+using Platform.Disposables;
+using Platform.Threading;
+
+namespace Platform.IO
+{
+    public class ConsoleCancellationHandler : DisposableBase
+    {
+        public CancellationTokenSource Source { get; private set; }
+        public CancellationToken Token { get; private set; }
+
+        public bool IsCancellationRequested => Source.IsCancellationRequested;
+
+        public bool NoCancellationRequested => !Source.IsCancellationRequested;
+
+        public ConsoleCancellationHandler(bool showDefaultIntroMessage = true)
+        {
+            if (showDefaultIntroMessage)
+                Console.WriteLine("Press CTRL+C to stop.");
+
+            Source = new CancellationTokenSource();
+            Token = Source.Token;
+
+            Console.CancelKeyPress += OnCancelKeyPress;
+        }
+
+        public void ForceCancellation() => Source.Cancel();
+
+        private void OnCancelKeyPress(object sender, ConsoleCancelEventArgs e)
+        {
+            e.Cancel = true;
+
+            if (!Source.IsCancellationRequested)
+            {
+                Source.Cancel();
+                Console.WriteLine("Stopping...");
+            }
+        }
+
+        public void Wait()
+        {
+            while (NoCancellationRequested)
+                ThreadHelpers.Sleep();
+        }
+
+        protected override void DisposeCore(bool manual, bool wasDisposed)
+        {
+            if (!wasDisposed)
+                Console.CancelKeyPress -= OnCancelKeyPress;
+
+            Disposable.TryDispose(Source);
+        }
+    }
+}
diff --git a/ConsoleHelpers.cs b/ConsoleHelpers.cs
new file mode 100644
index 0000000..d63c2ff
--- /dev/null
+++ b/ConsoleHelpers.cs
@@ -0,0 +1,35 @@
+using System;
+using System.Diagnostics;
+
+namespace Platform.IO
+{
+    public static class ConsoleHelpers
+    {
+        public static void PressAnyKeyToContinue()
+        {
+            // TODO: Internationalization
+            Console.WriteLine("Press any key to continue.");
+            Console.ReadKey();
+        }
+
+        public static string GetOrReadArgument(int index, params string[] args) => GetOrReadArgument(index, $"{index + 1} argument", args);
+
+        public static string GetOrReadArgument(int index, string readMessage, params string[] args)
+        {
+            string result;
+
+            if (args != null && args.Length > index)
+                result = args[index];
+            else
+            {
+                Console.Write($"{readMessage}: ");
+                result = Console.ReadLine();
+            }
+
+            return (result ?? "").Trim().Trim('"').Trim();
+        }
+
+        [Conditional("DEBUG")]
+        public static void Debug(string format, params object[] args) => Console.WriteLine(format, args);
+    }
+}
diff --git a/Platform.IO.csproj b/Platform.IO.csproj
index de8e008..94cad28 100644
--- a/Platform.IO.csproj
+++ b/Platform.IO.csproj
@@ -4,12 +4,12 @@
     <Description>LinksPlatform's Platform.IO Class Library</Description>
     <Copyright>Konstantin Diachenko</Copyright>
     <AssemblyTitle>Platform.IO</AssemblyTitle>
-    <VersionPrefix>0.0.2</VersionPrefix>
+    <VersionPrefix>0.0.3</VersionPrefix>
     <Authors>Konstantin Diachenko</Authors>
     <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyName>Platform.IO</AssemblyName>
     <PackageId>Platform.IO</PackageId>
-    <PackageTags>LinksPlatform;IO;FileHelpers;StreamExtensions</PackageTags>
+    <PackageTags>LinksPlatform;IO;FileHelpers;StreamExtensions;ConsoleHelpers;ConsoleCancellationHandler</PackageTags>
     <PackageIconUrl>https://raw.githubusercontent.com/linksplatform/Documentation/0a9177c11892ebb2fe467dc3ea9eaf5a5588f610/doc/Avatar-rainbow.png</PackageIconUrl>
     <PackageProjectUrl>https://github.com/linksplatform/IO</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/linksplatform/IO/blob/master/LICENSE</PackageLicenseUrl>
@@ -24,6 +24,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Platform.Threading" Version="0.0.1" />
     <PackageReference Include="Platform.Unsafe" Version="0.0.1" />
   </ItemGroup>