From 6c37b11e071a4c76d76ce484b66bcc4f2d62bf7f Mon Sep 17 00:00:00 2001
From: Harrison Deng <yunyangdeng@gmail.com>
Date: Sat, 8 Dec 2018 16:26:40 -0600
Subject: [PATCH] basic command system and argument processing added.

---
 .../CommandProcessor/CommandEngine.cs         | 58 ++++++++++++++++++-
 .../CommandProcessor/ICommandEngineCommand.cs | 11 ++++
 .../TextureAtlasTools/TexturePackerCommand.cs | 17 ++++++
 RecrownedAthenaeum.ConsoleTools/Tools.cs      |  2 +
 4 files changed, 86 insertions(+), 2 deletions(-)
 create mode 100644 RecrownedAthenaeum.ConsoleTools/CommandProcessor/ICommandEngineCommand.cs
 create mode 100644 RecrownedAthenaeum.ConsoleTools/TextureAtlasTools/TexturePackerCommand.cs

diff --git a/RecrownedAthenaeum.ConsoleTools/CommandProcessor/CommandEngine.cs b/RecrownedAthenaeum.ConsoleTools/CommandProcessor/CommandEngine.cs
index 07e9b82..644b8b1 100644
--- a/RecrownedAthenaeum.ConsoleTools/CommandProcessor/CommandEngine.cs
+++ b/RecrownedAthenaeum.ConsoleTools/CommandProcessor/CommandEngine.cs
@@ -7,17 +7,71 @@ namespace RecrownedAthenaeum.Tools.CommandProcessor
     internal class CommandEngine
     {
         public bool running;
+        public readonly Dictionary<string, ICommandEngineCommand> commands;
+
+        public CommandEngine()
+        {
+            commands = new Dictionary<string, ICommandEngineCommand>();
+        }
 
         internal void Run()
         {
             while (running)
             {
                 string command = Console.ReadLine();
-                Process(command);
+                try
+                {
+                    Process(command);
+
+                }
+                catch (ArgumentException)
+                {
+                    Console.WriteLine("Command not found.");
+                }
             }
         }
-        public void Process(string command)
+
+        public void Process(string commandAndArguments)
         {
+            string command = commandAndArguments;
+            string[] arguments = null;
+
+            if (commandAndArguments.Contains(' '))
+            {
+                command = command.Remove(command.IndexOf(' '));
+                if (!commands.ContainsKey(command)) throw new ArgumentException();
+                string[] argumentsSplit = commandAndArguments.Remove(command.Length).Split(' ');
+                List<string> argumentsList = new List<string>();
+
+                for (int i = 0; i < argumentsSplit.Length; i++)
+                {
+                    if (argumentsSplit[i].Contains('"') && !argumentsSplit[i].EndsWith('"'))
+                    {
+                        StringBuilder quoteBuilder = new StringBuilder();
+                        do
+                        {
+                            quoteBuilder.Append(' ');
+                            quoteBuilder.Append(argumentsSplit[i]);
+                            i++;
+                            if (i >= argumentsSplit.Length)
+                            {
+                                throw new ArgumentException();
+                            }
+
+                        } while (!argumentsSplit[i].Contains('"'));
+                        quoteBuilder.Append(' ');
+                        quoteBuilder.Append(argumentsSplit[i]);
+                        argumentsList.Add(quoteBuilder.ToString().Trim());
+                    }
+                    else
+                    {
+                        argumentsList.Add(argumentsSplit[i]);
+                    }
+                }
+                arguments = argumentsList.ToArray();
+            }
+            if (!commands.ContainsKey(command)) throw new ArgumentException();
+            commands[command].Run(arguments);
         }
     }
 }
diff --git a/RecrownedAthenaeum.ConsoleTools/CommandProcessor/ICommandEngineCommand.cs b/RecrownedAthenaeum.ConsoleTools/CommandProcessor/ICommandEngineCommand.cs
new file mode 100644
index 0000000..703f0e1
--- /dev/null
+++ b/RecrownedAthenaeum.ConsoleTools/CommandProcessor/ICommandEngineCommand.cs
@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace RecrownedAthenaeum.Tools.CommandProcessor
+{
+    interface ICommandEngineCommand
+    {
+        void Run(string[] arguments);
+    }
+}
diff --git a/RecrownedAthenaeum.ConsoleTools/TextureAtlasTools/TexturePackerCommand.cs b/RecrownedAthenaeum.ConsoleTools/TextureAtlasTools/TexturePackerCommand.cs
new file mode 100644
index 0000000..14265b9
--- /dev/null
+++ b/RecrownedAthenaeum.ConsoleTools/TextureAtlasTools/TexturePackerCommand.cs
@@ -0,0 +1,17 @@
+using RecrownedAthenaeum.Tools.CommandProcessor;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace RecrownedAthenaeum.Tools.TextureAtlasTools
+{
+    class TexturePackerCommand : ICommandEngineCommand
+    {
+
+
+        public void Run(string[] arguments)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/RecrownedAthenaeum.ConsoleTools/Tools.cs b/RecrownedAthenaeum.ConsoleTools/Tools.cs
index b98f2bc..997eaf8 100644
--- a/RecrownedAthenaeum.ConsoleTools/Tools.cs
+++ b/RecrownedAthenaeum.ConsoleTools/Tools.cs
@@ -1,4 +1,5 @@
 using RecrownedAthenaeum.Tools.CommandProcessor;
+using RecrownedAthenaeum.Tools.TextureAtlasTools;
 using System;
 using System.Reflection;
 
@@ -11,6 +12,7 @@ namespace RecrownedAthenaeum.Tools
             Console.WriteLine("Recrowned Athenaeum Console Tools version " + Assembly.GetExecutingAssembly().GetName().Version.ToString());
 
             CommandEngine ce = new CommandEngine();
+            ce.commands.Add("TexturePacker", new TexturePackerCommand());
             ce.Run();
         }
     }