Refactor image classes and split them to smaller files.

DiscImageChef.DiscImages/RsIde/Helpers.cs

@@ -0,0 +1,66 @@
+// /***************************************************************************
+// The Disc Image Chef
+// ----------------------------------------------------------------------------
+//
+// Filename       : Helpers.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Disk image plugins.
+//
+// --[ Description ] ----------------------------------------------------------
+//
+//     Contains helpers for RS-IDE disk images.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This library is free software; you can redistribute it and/or modify
+//     it under the terms of the GNU Lesser General Public License as
+//     published by the Free Software Foundation; either version 2.1 of the
+//     License, or (at your option) any later version.
+//
+//     This library is distributed in the hope that it will be useful, but
+//     WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+//     Lesser General Public License for more details.
+//
+//     You should have received a copy of the GNU Lesser General Public
+//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2018 Natalia Portillo
+// ****************************************************************************/
+
+using System;
+using System.Text;
+
+namespace DiscImageChef.DiscImages
+{
+    public partial class RsIde
+    {
+        static byte[] ScrambleAtaString(string text, int length)
+        {
+            byte[] inbuf = Encoding.ASCII.GetBytes(text);
+            if(inbuf.Length % 2 != 0)
+            {
+                byte[] tmpbuf = new byte[inbuf.Length + 1];
+                Array.Copy(inbuf, 0, tmpbuf, 0, inbuf.Length);
+                tmpbuf[tmpbuf.Length - 1] = 0x20;
+                inbuf                     = tmpbuf;
+            }
+
+            byte[] outbuf = new byte[inbuf.Length];
+
+            for(int i = 0; i < length; i += 2)
+            {
+                outbuf[i] = inbuf[i + 1];
+                outbuf[i            + 1] = inbuf[i];
+            }
+
+            byte[] retBuf                             = new byte[length];
+            for(int i = 0; i < length; i++) retBuf[i] = 0x20;
+
+            Array.Copy(outbuf, 0, retBuf, 0, outbuf.Length >= length ? length : outbuf.Length);
+            return retBuf;
+        }
+    }
+}