Winforms launcher beginnings.

OpenRA.Launcher/UtilityProgram.cs

@@ -0,0 +1,96 @@
+using System;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.IO;
+using System.Text;
+
+namespace OpenRA.Launcher
+{
+	class UtilityProgramResponse
+	{
+		public bool IsError
+		{
+			get { return response.StartsWith("Error:"); }
+		}
+
+		string response;
+
+		public string Response
+		{
+			get 
+			{
+				if (IsError)
+					return response.Remove(0, 7);
+				else
+					return response; 
+			}
+		}
+
+		public string[] ResponseLines
+		{
+			get 
+			{
+				string s = response;
+				if (IsError)
+					s = response.Remove(0, 7);
+				return s.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries); 
+			}
+		}
+
+		public UtilityProgramResponse(string response)
+		{
+			this.response = response.Trim('\r', '\n');
+		}
+	}
+
+	static class UtilityProgram
+	{
+		static string BuildArgs(string command, string[] args)
+		{
+			StringBuilder arguments = new StringBuilder();
+			arguments.Append("\"");
+			arguments.Append(command + "=");
+			arguments.Append(string.Join(",", args));
+			arguments.Append("\"");
+			return arguments.ToString();
+		}
+
+		public static UtilityProgramResponse Call(string command, params string[] args)
+		{
+			Process p = new Process();
+			p.StartInfo.FileName = "OpenRA.Utility.exe";
+			p.StartInfo.Arguments = BuildArgs(command, args);
+			p.StartInfo.RedirectStandardOutput = true;
+			p.StartInfo.UseShellExecute = false;
+			p.StartInfo.CreateNoWindow = true;
+			
+			p.Start();
+
+			return new UtilityProgramResponse(p.StandardOutput.ReadToEnd());
+		}
+
+		public static UtilityProgramResponse CallWithAdmin(string command, params string[] args)
+		{
+			Process p = new Process();
+			p.StartInfo.FileName = "OpenRA.Utility.exe";
+			p.StartInfo.Arguments = BuildArgs(command, args);
+			p.StartInfo.CreateNoWindow = true;
+			p.StartInfo.Verb = "runas";
+
+			try
+			{
+				p.Start();
+			}
+			catch (Win32Exception e)
+			{
+				if (e.NativeErrorCode == 1223) //ERROR_CANCELLED
+					return new UtilityProgramResponse("Error: User cancelled elevation prompt.");
+				throw e;
+			}
+
+			p.WaitForExit();
+
+			return new UtilityProgramResponse(File.ReadAllText("output.txt"));
+		}
+	}
+}