Merge pull request #10 from Alex-TIMEHACK/master

Terminal. With a little example command.

3 files changed, 82 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..531bd1f
--- /dev/null
+++ b/ShiftOS.Engine/Terminal/Commands/Hello.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ShiftOS.Engine.Terminal.Commands
+{
+    public class Hello : TerminalCommand
+    {
+        public override string GetName()
+        {
+            return "Hello";
+        }
+
+        public override string Run(params string[] parameters)
+        {
+            return "Oh, HELLO, " + String.Join(" ", parameters);
+        }
+    }
+}
diff --git a/ShiftOS.Engine/Terminal/TerminalBackend.cs b/ShiftOS.Engine/Terminal/TerminalBackend.cs
new file mode 100644
index 0000000..7103238
--- /dev/null
+++ b/ShiftOS.Engine/Terminal/TerminalBackend.cs
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+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 = from t in Assembly.GetExecutingAssembly().GetTypes()
+                        where t.IsSubclassOf(typeof(TerminalCommand))
+                                 && t.GetConstructor(Type.EmptyTypes) != null
+                        select 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 (TerminalCommand instance in instances)
+            {
+                if (instance.GetName() == name)
+                    return instance.Run(theParams);
+            }
+
+            return "The command cannot be found.";
+        }
+
+        // An extra function ;)
+        private static Type[] GetTypesInNamespace(Assembly assembly, string nameSpace)
+        {
+            return assembly.GetTypes().Where(t => String.Equals(t.Namespace, nameSpace, StringComparison.Ordinal)).ToArray();
+        }
+    }
+}
diff --git a/ShiftOS.Engine/Terminal/TerminalCommand.cs b/ShiftOS.Engine/Terminal/TerminalCommand.cs
new file mode 100644
index 0000000..a344122
--- /dev/null
+++ b/ShiftOS.Engine/Terminal/TerminalCommand.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ShiftOS.Engine.Terminal
+{
+    public abstract class TerminalCommand
+    {
+        public abstract string GetName();
+
+        public abstract string Run(params string[] parameters);
+    }
+}