Add drag-n-drop zip support

DATFromDir/DATFromDir.cs

@@ -44,11 +44,66 @@ namespace SabreTools
 			// This is where the main loop would go
 			if (File.Exists(_basePath))
 			{
+				// Create the temporary output directory
+				Directory.CreateDirectory(_tempDir);
+
+				psi.Arguments = _baseExtract + " " + _basePath;
+				Process zip = Process.Start(psi);
+				zip.WaitForExit();
+
+				bool encounteredErrors = zip.StandardError.ReadToEnd().Contains("ERROR");
+
 				// Get a list of files including size and hashes
 				Crc32 crc = new Crc32();
 				MD5 md5 = MD5.Create();
 				SHA1 sha1 = SHA1.Create();
 
+				// If the file was an archive and was extracted successfully, check it
+				if (!encounteredErrors)
+				{
+					foreach (string entry in Directory.GetFiles(_tempDir, "*", SearchOption.AllDirectories))
+					{
+						string fileCRC = String.Empty;
+						string fileMD5 = String.Empty;
+						string fileSHA1 = String.Empty;
+
+						try
+						{
+							using (FileStream fs = File.Open(entry, FileMode.Open))
+							{
+								foreach (byte b in crc.ComputeHash(fs))
+								{
+									fileCRC += b.ToString("x2").ToLower();
+								}
+							}
+							using (FileStream fs = File.Open(entry, FileMode.Open))
+							{
+								fileMD5 = BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", "");
+							}
+							using (FileStream fs = File.Open(entry, FileMode.Open))
+							{
+								fileSHA1 = BitConverter.ToString(sha1.ComputeHash(fs)).Replace("-", "");
+							}
+						}
+						catch (IOException)
+						{
+							continue;
+						}
+
+						roms.Add(new Tuple<string, string, long, string, string, string>(
+							Path.GetFileNameWithoutExtension(_basePath),
+							entry.Remove(0, _tempDir.Length),
+							(new FileInfo(entry)).Length,
+							fileCRC,
+							fileMD5,
+							fileSHA1));
+
+						Console.WriteLine("File parsed: " + entry.Remove(0, _tempDir.Length));
+					}
+				}
+				// Otherwise, just get the info on the file itself
+				else if (!Directory.Exists(_basePath) && File.Exists(_basePath))
+				{
 					string fileCRC = String.Empty;
 					string fileMD5 = String.Empty;
 					string fileSHA1 = String.Empty;
@@ -83,6 +138,13 @@ namespace SabreTools
 					}
 					catch (IOException) { }
 				}
+
+				// Delete the temp directory
+				if (Directory.Exists(_tempDir))
+				{
+					Directory.Delete(_tempDir, true);
+				}
+			}
 			else
 			{
 				foreach (string item in Directory.GetFiles(_basePath, "*", SearchOption.AllDirectories))