Initial commit - WPinternals 2.6

DiscUtils/Ntfs/VolumeInformation.cs

@@ -0,0 +1,86 @@
+//
+// Copyright (c) 2008-2011, Kenneth Bell
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+namespace DiscUtils.Ntfs
+{
+    using System;
+    using System.IO;
+
+    internal sealed class VolumeInformation : IByteArraySerializable, IDiagnosticTraceable
+    {
+        public const int VersionNt4 = 0x0102;
+        public const int VersionW2k = 0x0300;
+        public const int VersionXp = 0x0301;
+
+        private byte _majorVersion;
+        private byte _minorVersion;
+        private VolumeInformationFlags _flags;
+
+        public VolumeInformation()
+        {
+        }
+
+        public VolumeInformation(byte major, byte minor, VolumeInformationFlags flags)
+        {
+            _majorVersion = major;
+            _minorVersion = minor;
+            _flags = flags;
+        }
+
+        public VolumeInformationFlags Flags
+        {
+            get { return _flags; }
+        }
+
+        public int Version
+        {
+            get { return ((int)_majorVersion) << 8 | _minorVersion; }
+        }
+
+        public int Size
+        {
+            get { return 0x0C; }
+        }
+
+        public int ReadFrom(byte[] buffer, int offset)
+        {
+            _majorVersion = buffer[offset + 0x08];
+            _minorVersion = buffer[offset + 0x09];
+            _flags = (VolumeInformationFlags)Utilities.ToUInt16LittleEndian(buffer, offset + 0x0A);
+            return 0x0C;
+        }
+
+        public void WriteTo(byte[] buffer, int offset)
+        {
+            Utilities.WriteBytesLittleEndian((ulong)0, buffer, offset + 0x00);
+            buffer[offset + 0x08] = _majorVersion;
+            buffer[offset + 0x09] = _minorVersion;
+            Utilities.WriteBytesLittleEndian((ushort)_flags, buffer, offset + 0x0A);
+        }
+
+        public void Dump(TextWriter writer, string indent)
+        {
+            writer.WriteLine(indent + "  Version: " + _majorVersion + "." + _minorVersion);
+            writer.WriteLine(indent + "    Flags: " + _flags);
+        }
+    }
+}