Added READ DISC STRUCTURE.

DiscImageChef.Decoders/SCSI/DiscStructureCapabilities.cs

@@ -0,0 +1,86 @@
+// /***************************************************************************
+// The Disc Image Chef
+// ----------------------------------------------------------------------------
+//
+// Filename       : DiscStructureCapabilities.cs
+// Version        : 1.0
+// Author(s)      : Natalia Portillo
+//
+// Component      : Component
+//
+// Revision       : $Revision$
+// Last change by : $Author$
+// Date           : $Date$
+//
+// --[ Description ] ----------------------------------------------------------
+//
+// Description
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program 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 General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright (C) 2011-2015 Claunia.com
+// ****************************************************************************/
+// //$Id$
+using System;
+using System.Collections.Generic;
+
+namespace DiscImageChef.Decoders.SCSI
+{
+    public static class DiscStructureCapabilities
+    {
+        public struct Capability
+        {
+            /// <summary>
+            /// READ/SEND DISC STRUCTURE format code
+            /// </summary>
+            public byte FormatCode;
+            /// <summary>
+            /// Supported in SEND DISC STRUCTURE
+            /// </summary>
+            public bool SDS;
+            /// <summary>
+            /// Supported in READ DISC STRUCTURE
+            /// </summary>
+            public bool RDS;
+        }
+
+        public static Capability[] Decode(byte[] response)
+        {
+            ushort len = (ushort)((response[0] << 8) + response[1]);
+
+            if (len + 2 != response.Length)
+                return null;
+
+            List<Capability> caps = new List<Capability>();
+
+            uint offset = 4;
+
+            while (offset < response.Length)
+            {
+                Capability cap = new Capability();
+                cap.FormatCode = response[offset];
+                cap.SDS = (response[offset + 1] & 0x80) == 0x80;
+                cap.RDS = (response[offset + 1] & 0x40) == 0x40;
+                caps.Add(cap);
+                offset += 4;
+            }
+
+            return caps.ToArray();
+        }
+    }
+}
+