From f72bc30c0b716dbba67e012ce93fb94a42e45f29 Mon Sep 17 00:00:00 2001
From: BlueSkeye_cp <7a9a8e0be1356805ba39aaefd2f72a2ce9bd2015XwR8pJkz>
Date: Tue, 2 Oct 2012 08:52:48 +0000
Subject: [PATCH] Added a -d command line argument to XSharp.Test application.
 Using this argument you can check X# source code files located in another
 directory than the one where the Cosmos User Kit is installed. Launching the
 program without argument preserves previous behavior.

---
 XSharp/source/XSharp.Test/MainForm.cs |   9 ++-
 XSharp/source/XSharp.Test/Program.cs  | 105 +++++++++++++++++++++++---
 2 files changed, 101 insertions(+), 13 deletions(-)

diff --git a/XSharp/source/XSharp.Test/MainForm.cs b/XSharp/source/XSharp.Test/MainForm.cs
index ee21b0b01..e63ade158 100644
--- a/XSharp/source/XSharp.Test/MainForm.cs
+++ b/XSharp/source/XSharp.Test/MainForm.cs
@@ -14,12 +14,13 @@ namespace XSharp.Test {
   public partial class MainForm : Form {
     // D:\source\Cosmos\source2\Tests\XSharpCompilerTester\bin\Debug
     // D:\source\Cosmos\source2\Users\Matthijs\MatthijsPlayground
-    protected string mPath;
 
     public MainForm() {
       InitializeComponent();
     }
 
+    internal DirectoryInfo RootDirectory { get; set; }
+
     protected void Test(string aFilename) {
       tabsMain.TabPages.Add(Path.GetFileNameWithoutExtension(aFilename));
       var xTab = tabsMain.TabPages[tabsMain.TabPages.Count - 1];
@@ -52,11 +53,11 @@ namespace XSharp.Test {
     }
 
     private void MainForm_Load(object sender, EventArgs e) {
-      mPath = CosmosPaths.DebugStubSrc;
+      if (null == RootDirectory) { RootDirectory = new DirectoryInfo(CosmosPaths.DebugStubSrc); }
       // For testing
-      Test(Path.Combine(mPath, "Serial.xs"));
+      // Test(Path.Combine(RootDirectory.FullName, "Serial.xs"));
 
-      var xFiles = Directory.GetFiles(mPath, "*.xs");
+      var xFiles = Directory.GetFiles(RootDirectory.FullName, "*.xs");
       foreach (var xFile in xFiles) {
         Test(xFile);
       }
diff --git a/XSharp/source/XSharp.Test/Program.cs b/XSharp/source/XSharp.Test/Program.cs
index 8e3b2ff82..0e684f1c0 100644
--- a/XSharp/source/XSharp.Test/Program.cs
+++ b/XSharp/source/XSharp.Test/Program.cs
@@ -1,15 +1,102 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
+using System.IO;
+using System.Reflection;
+using System.Text;
 using System.Windows.Forms;
 
-namespace XSharp.Test {
-  static class Program {
-    [STAThread]
-    static void Main() {
-      Application.EnableVisualStyles();
-      Application.SetCompatibleTextRenderingDefault(false);
-      Application.Run(new MainForm());
+namespace XSharp.Test
+{
+    public static class Program
+    {
+        private static void DisplayUsage()
+        {
+            StringBuilder builder = new StringBuilder();
+            builder.AppendFormat("{0} [-h] [-d <directory path>]\r\n",
+                Assembly.GetExecutingAssembly().GetName().Name);
+            builder.AppendFormat("-h : display this notice.\r\n");
+            builder.AppendFormat("-d : names a directory that will be searched for .xs file.\r\n");
+            MessageBox.Show(builder.ToString());
+            return;
+        }
+
+        [STAThread]
+        public static void Main(string[] args)
+        {
+            if (!ParseArgs(args) || _displayUsage)
+            {
+                DisplayUsage();
+                return;
+            }
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            MainForm form = new MainForm();
+            form.RootDirectory = _rootDirectory;
+            Application.Run(form);
+        }
+
+        private static bool ParseArgs(string[] args)
+        {
+            bool result = true;
+
+            for (int index = 0; index < args.Length; index++)
+            {
+                string scannedArgument = args[index];
+                // Defensive programming.
+                if (string.IsNullOrEmpty(scannedArgument)) { scannedArgument = " "; }
+                switch (scannedArgument[0])
+                {
+                    case '-':
+                    case '/':
+                        if (1 == scannedArgument.Length) { goto default; }
+                        scannedArgument = scannedArgument.Substring(1);
+                        break;
+                    default:
+                        MessageBox.Show(string.Format("Unrecognized command line argument '{0}'.", scannedArgument));
+                        result = false;
+                        break;
+                }
+                switch (scannedArgument.ToLower())
+                {
+                    case "h":
+                        _displayUsage = true;
+                        break;
+                    case "d":
+                        if (++index >= args.Length)
+                        {
+                            MessageBox.Show("The -d command line argument must be followed by a directory name.");
+                            result = false;
+                        }
+                        else
+                        {
+                            string directoryPath = args[index] ?? "";
+                            try { _rootDirectory = new DirectoryInfo(args[index]); }
+                            catch
+                            {
+                                MessageBox.Show(string.Format("'{0}' is not a valid directory path for -d command line argument.",
+                                    directoryPath));
+                                result = false;
+                                break;
+                            }
+                            if (!_rootDirectory.Exists)
+                            {
+                                MessageBox.Show(string.Format("The target directory '{0} doesn't exist.", _rootDirectory.FullName));
+                                result = false;
+                            }
+                        }
+                        break;
+                    default:
+                        // Must reinitialize scannedArgument to its original value.
+                        scannedArgument = args[index];
+                        MessageBox.Show(string.Format("Unrecognized command line argument '{0}'.", scannedArgument));
+                        result = false;
+                        break;
+                }
+            }
+            return result;
+        }
+
+        private static bool _displayUsage = false;
+        private static DirectoryInfo _rootDirectory;
     }
-  }
 }