3 files changed, 237 insertions, 0 deletions
diff --git a/ShiftOS.Engine/Terminal/Commands/Hello.cs b/ShiftOS.Engine/Terminal/Commands/Hello.cs
new file mode 100644
index 0000000..7d4b82f
--- /dev/null
+++ b/ShiftOS.Engine/Terminal/Commands/Hello.cs
@@ -0,0 +1,9 @@
+namespace ShiftOS.Engine.Terminal.Commands
+{
+	public class Hello : TerminalCommand
+	{
+		public override string GetName() => "Hello";
+
+		public override string Run(params string[] parameters) => "Oh, HELLO, " + string.Join(" ", parameters);
+	}
+}
+\ No newline at end of file
diff --git a/ShiftOS.Engine/Terminal/TerminalBackend.cs b/ShiftOS.Engine/Terminal/TerminalBackend.cs
new file mode 100644
index 0000000..e079d22
--- /dev/null
+++ b/ShiftOS.Engine/Terminal/TerminalBackend.cs
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+
+namespace ShiftOS.Engine.Terminal
+{
+	public static class TerminalBackend
+	{
+		// The line below gets all the terminal commands in... well... the entire ShiftOS.Engine
+		public static IEnumerable<TerminalCommand> instances = Assembly.GetExecutingAssembly().GetTypes() 
+                        .Where(t => t.IsSubclassOf(typeof(TerminalCommand)) && t.GetConstructor(Type.EmptyTypes) != null) 
+						.Select(t => Activator.CreateInstance(t) as TerminalCommand); 
+
+	    /// <summary>
+	    ///     Runs a terminal command.
+	    /// </summary>
+	    /// <param name="command"></param>
+	    /// <returns>Returns all the output from that command.</returns>
+	    public static string RunCommand(string command)
+		{
+			string name;
+			try
+			{
+				name = command.Split(' ')[0];
+			}
+			catch
+			{
+				name = command;
+			}
+
+			var theParams = new string[command.Split(' ').Length - 1];
+			Array.Copy(command.Split(' '), 1, theParams, 0, command.Split(' ').Length - 1);
+
+			foreach (var instance in Instances)
+			{
+				if (instance.GetName() == name)
+				{
+					return instance.Run(theParams);
+				}
+			}
+
+			return "The command cannot be found.";
+		}
+	}
+}
+\ No newline at end of file
diff --git a/ShiftOS.Engine/Terminal/TerminalCommand.cs b/ShiftOS.Engine/Terminal/TerminalCommand.cs
new file mode 100644
index 0000000..110d1d2
--- /dev/null
+++ b/ShiftOS.Engine/Terminal/TerminalCommand.cs
@@ -0,0 +1,182 @@
+using System;
+
+using System.Collections.Generic;
+
+using System.Drawing;
+
+using System.Linq;
+
+using System.Text;
+
+using System.Threading.Tasks;
+
+using System.Windows.Forms;
+
+
+
+namespace ShiftOS.Main.Terminal
+{
+
+    public class TerminalCommand
+
+    {
+
+        public int TermID { get; set; }
+
+
+
+        public virtual string Name { get; }
+
+        public virtual string Summary { get; }
+
+        public virtual string Usage { get; }
+
+        public virtual bool Unlocked { get; set; }
+
+
+
+        public virtual void Run(params string[] parameters) { }
+
+
+
+        /// <summary>
+
+        /// Writes a blank line in the terminal.
+
+        /// </summary>
+
+        public virtual void WriteLine()
+
+        {
+
+            WriteLine("");
+
+        }
+
+
+
+        /// <summary>
+
+        /// Writes specified text in the terminal and starts a new line.
+
+        /// </summary>
+
+        /// <param name="value"><summary>The text to write before the new line is made.</summary></param>
+
+        public virtual void WriteLine(string value)
+
+        {
+
+            Array.Find(TerminalBackend.trm.ToArray(), w => w.TerminalID == TermID).termmain.AppendText($"{value} \n");
+
+        }
+
+
+
+        /// <summary>
+
+        /// Writes specified text in the terminal in the specified color and starts a new line.
+
+        /// </summary>
+
+        /// <param name="value"><summary>The text to write before the new line is made.</summary></param>
+
+        /// <param name="textClr"><summary>The color the text is written in.</summary></param>
+
+        public virtual void WriteLine(string value, Color textClr)
+
+        {
+
+            ShiftOS.Apps.Terminal trm = Array.Find(TerminalBackend.trm.ToArray(), w => w.TerminalID == TermID);
+
+
+
+            int startPoint = trm.termmain.Text.Length;
+
+            trm.termmain.AppendText($"{value} \n");
+
+            trm.termmain.Select(startPoint, $"{value} \n".Length);
+
+            trm.termmain.SelectionColor = textClr;
+
+        }
+
+
+
+        /// <summary>
+
+        /// Writes specified text in the terminal.
+
+        /// </summary>
+
+        /// <param name="value"><summary>The text to write.</summary></param>
+
+        /// <param name="textClr"><summary>The color the text is written in.</summary></param>
+
+        public virtual void Write(string value, Color textClr)
+
+        {
+
+
+
+            ShiftOS.Apps.Terminal trm = Array.Find(TerminalBackend.trm.ToArray(), w => w.TerminalID == TermID);
+
+
+
+            int startPoint = trm.termmain.Text.Length;
+
+            trm.termmain.AppendText($"{value}");
+
+            trm.termmain.Select(startPoint, $"{value}".Length);
+
+            trm.termmain.SelectionColor = textClr;
+
+        }
+
+
+
+        /// <summary>
+
+        /// Writes specified text in the terminal.
+
+        /// </summary>
+
+        /// <param name="value"><summary>The text to say before requesting text. </summary></param>
+
+        public virtual Task<string> Input(string value = "")
+
+        {
+
+            ShiftOS.Apps.Terminal trm = Array.Find(TerminalBackend.trm.ToArray(), w => w.TerminalID == TermID);
+
+            trm.Input(value);
+
+
+
+            Task<string> Input = new Task<string>(() =>
+
+            {              
+
+                while (true)
+
+                    if (trm.InputReturnText != "") break;
+
+
+
+                // The terminal has finally decided!
+
+
+
+                return trm.InputReturnText;
+
+            });
+
+            Input.Start();
+
+            return Input;
+
+        }
+
+    }
+
+}
+\ No newline at end of file