Initial commit - WPinternals 2.6

2026-06-14 03:16:40 +10:00 · 2018-10-25 22:35:49 +02:00
commit 396ae57f05
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+//
+// 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.BootConfig
+{
+    using System;
+    using System.Globalization;
+
+    internal class DeviceElementValue : ElementValue
+    {
+        private Guid _parentObject;
+        private DeviceRecord _record;
+
+        public DeviceElementValue()
+        {
+            _parentObject = Guid.Empty;
+
+            PartitionRecord record = new PartitionRecord();
+            record.Type = 5;
+            _record = record;
+        }
+
+        public DeviceElementValue(Guid parentObject, PhysicalVolumeInfo pvi)
+        {
+            _parentObject = parentObject;
+
+            PartitionRecord record = new PartitionRecord();
+            record.Type = 6;
+            if (pvi.VolumeType == PhysicalVolumeType.BiosPartition)
+            {
+                record.PartitionType = 1;
+                record.DiskIdentity = new byte[4];
+                Utilities.WriteBytesLittleEndian(pvi.DiskSignature, record.DiskIdentity, 0);
+                record.PartitionIdentity = new byte[8];
+                Utilities.WriteBytesLittleEndian(pvi.PhysicalStartSector * 512, record.PartitionIdentity, 0);
+            }
+            else if (pvi.VolumeType == PhysicalVolumeType.GptPartition)
+            {
+                record.PartitionType = 0;
+                record.DiskIdentity = new byte[16];
+                Utilities.WriteBytesLittleEndian(pvi.DiskIdentity, record.DiskIdentity, 0);
+                record.PartitionIdentity = new byte[16];
+                Utilities.WriteBytesLittleEndian(pvi.PartitionIdentity, record.PartitionIdentity, 0);
+            }
+            else
+            {
+                throw new NotImplementedException(string.Format(CultureInfo.InvariantCulture, "Unknown how to convert volume type {0} to a Device element", pvi.VolumeType));
+            }
+
+            _record = record;
+        }
+
+        public DeviceElementValue(byte[] value)
+        {
+            _parentObject = Utilities.ToGuidLittleEndian(value, 0x00);
+            _record = DeviceRecord.Parse(value, 0x10);
+        }
+
+        public override Guid ParentObject
+        {
+            get { return _parentObject; }
+        }
+
+        public override ElementFormat Format
+        {
+            get { return ElementFormat.Device; }
+        }
+
+        public override string ToString()
+        {
+            if (_parentObject != Guid.Empty)
+            {
+                return _parentObject.ToString() + ":" + _record.ToString();
+            }
+            else if (_record != null)
+            {
+                return _record.ToString();
+            }
+            else
+            {
+                return "<unknown>";
+            }
+        }
+
+        internal byte[] GetBytes()
+        {
+            byte[] buffer = new byte[_record.Size + 0x10];
+
+            Utilities.WriteBytesLittleEndian(_parentObject, buffer, 0);
+            _record.GetBytes(buffer, 0x10);
+
+            return buffer;
+        }
+    }
+}