Delete deprecated console operations

So much simpler.

src/PowerShellEditorServices/Services/PowerShell/Console/ConsoleProxy.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT License.
 
 using System;
-using System.Runtime.InteropServices;
 using System.Threading;
 
 namespace Microsoft.PowerShell.EditorServices.Services.PowerShell.Console
@@ -21,66 +20,6 @@ internal static class ConsoleProxy
             alt: false,
             control: false);
 
-        private static readonly IConsoleOperations s_consoleProxy;
-
-        [System.Diagnostics.CodeAnalysis.SuppressMessage("Performance", "CA1810:Initialize reference type static fields inline", Justification = "Platform specific initialization")]
-        static ConsoleProxy()
-        {
-            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-            {
-                s_consoleProxy = new WindowsConsoleOperations();
-                return;
-            }
-
-            s_consoleProxy = new UnixConsoleOperations();
-        }
-
-        /// <summary>
-        /// Obtains the next character or function key pressed by the user asynchronously.
-        /// Does not block when other console API's are called.
-        /// </summary>
-        /// <param name="intercept">
-        /// Determines whether to display the pressed key in the console window. <see langword="true" />
-        /// to not display the pressed key; otherwise, <see langword="false" />.
-        /// </param>
-        /// <param name="cancellationToken">The CancellationToken to observe.</param>
-        /// <returns>
-        /// An object that describes the <see cref="ConsoleKey" /> constant and Unicode character, if any,
-        /// that correspond to the pressed console key. The <see cref="ConsoleKeyInfo" /> object also
-        /// describes, in a bitwise combination of <see cref="ConsoleModifiers" /> values, whether
-        /// one or more Shift, Alt, or Ctrl modifier keys was pressed simultaneously with the console key.
-        /// </returns>
-        public static ConsoleKeyInfo ReadKey(bool intercept, CancellationToken cancellationToken) =>
-            s_consoleProxy.ReadKey(intercept, cancellationToken);
-
-        /// <summary>
-        /// Obtains the horizontal position of the console cursor. TODO: Is this still necessary?
-        /// </summary>
-        /// <returns>The horizontal position of the console cursor.</returns>
-        public static int GetCursorLeft() => s_consoleProxy.GetCursorLeft();
-
-        /// <summary>
-        /// Obtains the horizontal position of the console cursor. TODO: Is this still necessary?
-        /// </summary>
-        /// <param name="cancellationToken">The <see cref="CancellationToken" /> to observe.</param>
-        /// <returns>The horizontal position of the console cursor.</returns>
-        public static int GetCursorLeft(CancellationToken cancellationToken) =>
-            s_consoleProxy.GetCursorLeft(cancellationToken);
-
-        /// <summary>
-        /// Obtains the vertical position of the console cursor. TODO: Is this still necessary?
-        /// </summary>
-        /// <returns>The vertical position of the console cursor.</returns>
-        public static int GetCursorTop() => s_consoleProxy.GetCursorTop();
-
-        /// <summary>
-        /// Obtains the vertical position of the console cursor. TODO: Is this still necessary?
-        /// </summary>
-        /// <param name="cancellationToken">The <see cref="CancellationToken" /> to observe.</param>
-        /// <returns>The vertical position of the console cursor.</returns>
-        public static int GetCursorTop(CancellationToken cancellationToken) =>
-            s_consoleProxy.GetCursorTop(cancellationToken);
-
         /// <summary>
         /// This method is sent to PSReadLine as a workaround for issues with the System.Console
         /// implementation. Functionally it is the same as System.Console.ReadKey,
@@ -101,14 +40,8 @@ public static int GetCursorTop(CancellationToken cancellationToken) =>
         /// </returns>
         internal static ConsoleKeyInfo SafeReadKey(bool intercept, CancellationToken cancellationToken)
         {
-            try
-            {
-                return s_consoleProxy.ReadKey(intercept, cancellationToken);
-            }
-            catch (OperationCanceledException)
-            {
-                return s_nullKeyInfo;
-            }
+            ConsoleKeyInfo key = System.Console.ReadKey(intercept);
+            return cancellationToken.IsCancellationRequested ? s_nullKeyInfo : key;
         }
     }
 }

src/PowerShellEditorServices/Services/PowerShell/Console/LegacyReadLine.cs

@@ -1,14 +1,14 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-using Microsoft.PowerShell.EditorServices.Services.PowerShell.Host;
-using Microsoft.PowerShell.EditorServices.Services.PowerShell.Utility;
 using System.Collections.Generic;
 using System.Linq;
 using System.Management.Automation;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.PowerShell.EditorServices.Services.PowerShell.Host;
+using Microsoft.PowerShell.EditorServices.Services.PowerShell.Utility;
 
 namespace Microsoft.PowerShell.EditorServices.Services.PowerShell.Console
 {
@@ -46,8 +46,8 @@ public override string ReadLine(CancellationToken cancellationToken)
 
             StringBuilder inputLine = new();
 
-            int initialCursorCol = ConsoleProxy.GetCursorLeft(cancellationToken);
-            int initialCursorRow = ConsoleProxy.GetCursorTop(cancellationToken);
+            int initialCursorCol = Console.CursorLeft;
+            int initialCursorRow = Console.CursorTop;
 
             int currentCursorIndex = 0;
 

src/PowerShellEditorServices/Services/PowerShell/Console/PsrlReadLine.cs

@@ -40,7 +40,7 @@ public PsrlReadLine(
 
         public override string ReadLine(CancellationToken cancellationToken) => _psesHost.InvokeDelegate(representation: "ReadLine", new ExecutionOptions { MustRunInForeground = true }, InvokePSReadLine, cancellationToken);
 
-        protected override ConsoleKeyInfo ReadKey(CancellationToken cancellationToken) => ConsoleProxy.ReadKey(intercept: true, cancellationToken);
+        protected override ConsoleKeyInfo ReadKey(CancellationToken cancellationToken) => ConsoleProxy.SafeReadKey(intercept: true, cancellationToken);
 
         #endregion
 

src/PowerShellEditorServices/Services/PowerShell/Console/TerminalReadLine.cs

@@ -69,8 +69,8 @@ public SecureString ReadSecureLine(CancellationToken cancellationToken)
                     }
                     else if (previousInputLength > 0 && currentInputLength < previousInputLength)
                     {
-                        int row = ConsoleProxy.GetCursorTop(cancellationToken);
-                        int col = ConsoleProxy.GetCursorLeft(cancellationToken);
+                        int row = Console.CursorTop;
+                        int col = Console.CursorLeft;
 
                         // Back up the cursor before clearing the character
                         col--;

src/PowerShellEditorServices/Services/PowerShell/Host/EditorServicesConsolePSHostRawUserInterface.cs

@@ -1,12 +1,11 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-using Microsoft.Extensions.Logging;
-using Microsoft.PowerShell.EditorServices.Services.PowerShell.Console;
 using System;
 using System.Management.Automation;
 using System.Management.Automation.Host;
-using System.Threading;
+using Microsoft.Extensions.Logging;
+using Microsoft.PowerShell.EditorServices.Services.PowerShell.Console;
 
 namespace Microsoft.PowerShell.EditorServices.Services.PowerShell.Host
 {
@@ -26,8 +25,6 @@ internal class EditorServicesConsolePSHostRawUserInterface : PSHostRawUserInterf
         /// Creates a new instance of the TerminalPSHostRawUserInterface
         /// class with the given IConsoleHost implementation.
         /// </summary>
-        /// <param name="logger">The ILogger implementation to use for this instance.</param>
-        /// <param name="internalHost">The InternalHost instance from the origin runspace.</param>
         public EditorServicesConsolePSHostRawUserInterface(
             ILoggerFactory loggerFactory,
             PSHostRawUserInterface internalRawUI)
@@ -72,10 +69,7 @@ public override Size BufferSize
         /// </summary>
         public override Coordinates CursorPosition
         {
-            get => new(
-                    ConsoleProxy.GetCursorLeft(),
-                    ConsoleProxy.GetCursorTop());
-
+            get => _internalRawUI.CursorPosition;
             set => _internalRawUI.CursorPosition = value;
         }
 
@@ -137,7 +131,6 @@ public override string WindowTitle
         /// <returns>A KeyInfo struct with details about the current keypress.</returns>
         public override KeyInfo ReadKey(ReadKeyOptions options)
         {
-
             bool includeUp = (options & ReadKeyOptions.IncludeKeyUp) != 0;
 
             // Key Up was requested and we have a cached key down we can return.
@@ -167,7 +160,7 @@ public override KeyInfo ReadKey(ReadKeyOptions options)
             try
             {
                 System.Console.TreatControlCAsInput = true;
-                ConsoleKeyInfo key = ConsoleProxy.ReadKey(intercept, default);
+                ConsoleKeyInfo key = ConsoleProxy.SafeReadKey(intercept, default);
 
                 if (IsCtrlC(key))
                 {
@@ -194,11 +187,7 @@ public override KeyInfo ReadKey(ReadKeyOptions options)
         /// <summary>
         /// Flushes the current input buffer.
         /// </summary>
-        public override void FlushInputBuffer()
-        {
-            _logger.LogWarning(
-                "PSHostRawUserInterface.FlushInputBuffer was called");
-        }
+        public override void FlushInputBuffer() => _logger.LogWarning("PSHostRawUserInterface.FlushInputBuffer was called");
 
         /// <summary>
         /// Gets the contents of the console buffer in a rectangular area.

src/PowerShellEditorServices/Services/PowerShell/Host/EditorServicesConsolePSHostUserInterface.cs

@@ -8,16 +8,12 @@
 using System.Management.Automation;
 using System.Management.Automation.Host;
 using System.Security;
-using System.Threading;
 using Microsoft.Extensions.Logging;
-using Microsoft.PowerShell.EditorServices.Services.PowerShell.Console;
 
 namespace Microsoft.PowerShell.EditorServices.Services.PowerShell.Host
 {
     internal class EditorServicesConsolePSHostUserInterface : PSHostUserInterface
     {
-        private readonly IReadLineProvider _readLineProvider;
-
         private readonly PSHostUserInterface _underlyingHostUI;
 
         /// <summary>
@@ -28,10 +24,8 @@ internal class EditorServicesConsolePSHostUserInterface : PSHostUserInterface
 
         public EditorServicesConsolePSHostUserInterface(
             ILoggerFactory loggerFactory,
-            IReadLineProvider readLineProvider,
             PSHostUserInterface underlyingHostUI)
         {
-            _readLineProvider = readLineProvider;
             _underlyingHostUI = underlyingHostUI;
             RawUI = new EditorServicesConsolePSHostRawUserInterface(loggerFactory, underlyingHostUI.RawUI);
         }

src/PowerShellEditorServices/Services/PowerShell/Host/PsesInternalHost.cs

@@ -116,7 +116,7 @@ public PsesInternalHost(
 
             DebugContext = new PowerShellDebugContext(loggerFactory, this);
             UI = hostInfo.ConsoleReplEnabled
-                ? new EditorServicesConsolePSHostUserInterface(loggerFactory, _readLineProvider, hostInfo.PSHost.UI)
+                ? new EditorServicesConsolePSHostUserInterface(loggerFactory, hostInfo.PSHost.UI)
                 : new NullPSHostUI();
         }