Cosmos/source/Cosmos.Build.Builder/App.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;

using Cosmos.Build.Installer;

namespace Cosmos.Build.Builder
{
  public partial class App : Application
  {
    public static bool DoNotLaunchVS;
    public static bool IsUserKit;
    public static bool ResetHive;
    public static bool StayOpen;
    public static bool UseTask;
    public static bool NoMSBuildClean;
    public static bool InstallTask;
    public static bool UseVsHive;
    public static Dictionary<string, string> mArgs = new Dictionary<string, string>();

    protected override void OnStartup(StartupEventArgs e)
    {
      foreach (string arg in e.Args)
      {
        string[] keyValue = arg.Split('=');
        if (keyValue.Length > 0)
        {
          string key = keyValue[0].ToUpper().Remove(0, 1);
          mArgs.Add(key, "");
          if (keyValue.Length > 1)
          {
            mArgs[key] = keyValue[1];
          }
        }
      }

      IsUserKit = mArgs.ContainsKey("USERKIT");
      ResetHive = mArgs.ContainsKey("RESETHIVE");
      StayOpen = mArgs.ContainsKey("STAYOPEN");
      UseTask = !mArgs.ContainsKey("NOTASK");
      NoMSBuildClean = mArgs.ContainsKey("NOCLEAN");
      InstallTask = mArgs.ContainsKey("INSTALLTASK");
      DoNotLaunchVS = mArgs.ContainsKey("NOVSLAUNCH");
      UseVsHive = mArgs.ContainsKey("VSEXPHIVE");

      if (mArgs.ContainsKey("VSPATH"))
      {
        Paths.VSPath = mArgs["VSPATH"];
        Paths.UpdateVSPath();
      }
      else if(!InstallTask)
      {
        throw new ArgumentNullException(nameof(e.Args), "Visual Studio path must be provided. (-VSPATH or /VSPATH)");
      }
      
      base.OnStartup(e);
    }
  }
}