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// Decompiled with JetBrains decompiler
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// Type: ImageReader.ISO9660.VolumeDescriptors.PrimaryVolumeDescriptor
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// Assembly: ImageReader, Version=1.5.2.0, Culture=neutral, PublicKeyToken=611be24fdeb07e08
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// MVID: E0717604-B50B-4CB4-B85C-C17F43D5C04B
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// Assembly location: ImageReader.dll
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using ImageReader.ISO9660.DirectoryRecords;
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using System;
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namespace ImageReader.ISO9660.VolumeDescriptors
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{
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public class PrimaryVolumeDescriptor
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{
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internal uint volumeSpaceSizeTypeL;
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internal uint volumeSpaceSizeTypeM;
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internal ushort volumeSetSizeTypeL;
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internal ushort VolumeSetSizeTypeM;
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internal ushort volumeSequenceNumberTypeL;
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internal ushort volumeSequenceNumberTypeM;
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internal ushort logicalBlockSizeTypeL;
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internal ushort logicalBlockSizeTypeM;
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internal uint pathTableSizeTypeL;
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internal uint pathTableSizeTypeM;
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internal uint pathTableLocationTypeL;
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internal uint optionalPathTableLocationTypeL;
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internal uint pathTableLocationTypeM;
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internal uint optionalPathTableLocationTypeM;
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internal DirectoryRecord rootDirectoryRecord;
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public VolumeDescriptorType Type { get; internal set; }
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public string StandardIdentifier { get; internal set; }
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public sbyte Version { get; internal set; }
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public string SystemIdentifier { get; internal set; }
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public string Identifier { get; internal set; }
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public uint SpaceSize => !BitConverter.IsLittleEndian ? this.volumeSpaceSizeTypeM : this.volumeSpaceSizeTypeL;
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public ushort SetSize => !BitConverter.IsLittleEndian ? this.VolumeSetSizeTypeM : this.volumeSetSizeTypeL;
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public ushort SequenceNumber => !BitConverter.IsLittleEndian ? this.volumeSequenceNumberTypeM : this.volumeSequenceNumberTypeL;
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public ushort LogicalBlockSize => !BitConverter.IsLittleEndian ? this.logicalBlockSizeTypeM : this.logicalBlockSizeTypeL;
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public uint PathTableSize => !BitConverter.IsLittleEndian ? this.pathTableSizeTypeM : this.pathTableSizeTypeL;
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public uint PathTableLocation => !BitConverter.IsLittleEndian ? this.pathTableLocationTypeM : this.pathTableLocationTypeL;
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public bool HasOptionalPathTable => (BitConverter.IsLittleEndian ? (int) this.optionalPathTableLocationTypeL : (int) this.optionalPathTableLocationTypeM) != 0;
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public uint OptionalPathTableLocation => !BitConverter.IsLittleEndian ? this.optionalPathTableLocationTypeM : this.optionalPathTableLocationTypeL;
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public DirectoryRecord RootDirectoryRecord => this.rootDirectoryRecord;
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public string SetIdentifier { get; internal set; }
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public string PublisherIdentifier { get; internal set; }
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public string PreparerIdentifier { get; internal set; }
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public string ApplicationIdentifier { get; internal set; }
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public string CopyrightFileIdentifier { get; internal set; }
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public string AbstractFileIdentifier { get; internal set; }
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public string BibliographicFileIdentifier { get; internal set; }
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public DateTime? CreationDateTime { get; internal set; }
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public DateTime? ModificationDateTime { get; internal set; }
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public DateTime? ExpirationDateTime { get; internal set; }
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public DateTime? EffectiveDateTime { get; internal set; }
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public sbyte FileStructureVersion { get; internal set; }
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}
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}
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23
ImageReader/ISO9660/VolumeDescriptors/VolumeDescriptor.cs
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23
ImageReader/ISO9660/VolumeDescriptors/VolumeDescriptor.cs
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// Decompiled with JetBrains decompiler
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// Type: ImageReader.ISO9660.VolumeDescriptors.VolumeDescriptor
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// Assembly: ImageReader, Version=1.5.2.0, Culture=neutral, PublicKeyToken=611be24fdeb07e08
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// MVID: E0717604-B50B-4CB4-B85C-C17F43D5C04B
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// Assembly location: ImageReader.dll
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using System.Runtime.InteropServices;
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namespace ImageReader.ISO9660.VolumeDescriptors
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct VolumeDescriptor
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{
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public const string VolumeDescriptorIdentifier = "CD001";
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public static readonly ushort VolumeDescriptorStartLba = 16;
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public static readonly ushort VolumeDescriptorSize = 2048;
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public static readonly byte VolumeDescriptorVersion = 1;
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public VolumeDescriptorType Type;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
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public byte[] StandardIdentifier;
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public byte Version;
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}
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}
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// Decompiled with JetBrains decompiler
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// Type: ImageReader.ISO9660.VolumeDescriptors.VolumeDescriptorConverter
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// Assembly: ImageReader, Version=1.5.2.0, Culture=neutral, PublicKeyToken=611be24fdeb07e08
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// MVID: E0717604-B50B-4CB4-B85C-C17F43D5C04B
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// Assembly location: ImageReader.dll
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using ImageReader.ISO9660.DirectoryRecords;
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using System;
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using System.Text;
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namespace ImageReader.ISO9660.VolumeDescriptors
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{
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public class VolumeDescriptorConverter
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{
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private static readonly string STANDARD_IDENTIFIER = "CD001";
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private static readonly byte VOLUME_DESCRIPTOR_VERSION = 1;
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private static readonly byte FILE_STRUCTURE_VERSION = 1;
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private static readonly ushort OFFSET_VOLUME_DESCRIPTOR_TYPE = 0;
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private static readonly ushort OFFSET_STANDARD_IDENTIFIER = 1;
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private static readonly ushort OFFSET_VOLUME_DESCRIPTOR_VERSION = 6;
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private static readonly ushort OFFSET_SYSTEM_IDENTIFIER = 8;
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private static readonly ushort OFFSET_VOLUME_IDENTIFIER = 40;
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private static readonly ushort OFFSET_TYPE_L_VOLUME_SPACE_SIZE = 80;
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private static readonly ushort OFFSET_TYPE_M_VOLUME_SPACE_SIZE = 84;
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private static readonly ushort OFFSET_TYPE_L_VOLUME_SET_SIZE = 120;
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private static readonly ushort OFFSET_TYPE_M_VOLUME_SET_SIZE = 122;
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private static readonly ushort OFFSET_TYPE_L_VOLUME_SEQUENCE_NUMBER = 124;
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private static readonly ushort OFFSET_TYPE_M_VOLUME_SEQUENCE_NUMBER = 126;
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private static readonly ushort OFFSET_TYPE_L_LOGICAL_BLOCK_SIZE = 128;
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private static readonly ushort OFFSET_TYPE_M_LOGICAL_BLOCK_SIZE = 130;
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private static readonly ushort OFFSET_TYPE_L_PATH_TABLE_SIZE = 132;
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private static readonly ushort OFFSET_TYPE_M_PATH_TABLE_SIZE = 136;
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private static readonly ushort OFFSET_TYPE_L_PATH_TABLE = 140;
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private static readonly ushort OFFSET_TYPE_L_OPTIONAL_PATH_TABLE = 144;
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private static readonly ushort OFFSET_TYPE_M_PATH_TABLE = 148;
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private static readonly ushort OFFSET_TYPE_M_OPTIONAL_PATH_TABLE = 152;
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private static readonly ushort OFFSET_ROOT_DIRECTORY_RECORD = 156;
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private static readonly ushort OFFSET_VOLUME_SET_IDENTIFIER = 190;
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private static readonly ushort OFFSET_PUBLISHER_IDENTIFIER = 318;
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private static readonly ushort OFFSET_PREPARER_IDENTIFIER = 446;
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private static readonly ushort OFFSET_APPLICATION_IDENTIFIER = 574;
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private static readonly ushort OFFSET_COPYRIGHT_FILE_IDENTIFIER = 702;
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private static readonly ushort OFFSET_ABSTRACT_FILE_IDENTIFIER = 739;
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private static readonly ushort OFFSET_BIBLIOGRAPHIC_FILE_IDENTIFIER = 776;
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private static readonly ushort OFFSET_VOLUME_CREATION_DATE = 813;
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private static readonly ushort OFFSET_VOLUME_MODIFICATION_DATE = 830;
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private static readonly ushort OFFSET_VOLUME_EXPIRATION_DATE = 847;
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private static readonly ushort OFFSET_VOLUME_EFFECTIVE_DATE = 864;
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private static readonly ushort OFFSET_FILE_STRUCTURE_VERSION = 881;
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public static PrimaryVolumeDescriptor ToPrimaryVolumeDescriptor(
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byte[] buffer,
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int startIndex)
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{
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if (startIndex < 0 || buffer.Length - startIndex < (int) VolumeDescriptor.VolumeDescriptorSize)
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throw new ArgumentOutOfRangeException();
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PrimaryVolumeDescriptor volumeDescriptor = new PrimaryVolumeDescriptor()
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{
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Type = (VolumeDescriptorType) buffer[startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_DESCRIPTOR_TYPE],
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StandardIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_STANDARD_IDENTIFIER, 5),
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Version = (sbyte) buffer[startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_DESCRIPTOR_VERSION],
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SystemIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_SYSTEM_IDENTIFIER, 32).Trim(),
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Identifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_IDENTIFIER, 32).Trim(),
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volumeSpaceSizeTypeL = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_L_VOLUME_SPACE_SIZE),
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volumeSpaceSizeTypeM = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_M_VOLUME_SPACE_SIZE),
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volumeSetSizeTypeL = BitConverter.ToUInt16(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_L_VOLUME_SET_SIZE),
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VolumeSetSizeTypeM = BitConverter.ToUInt16(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_M_VOLUME_SET_SIZE),
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volumeSequenceNumberTypeL = BitConverter.ToUInt16(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_L_VOLUME_SEQUENCE_NUMBER),
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volumeSequenceNumberTypeM = BitConverter.ToUInt16(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_M_VOLUME_SEQUENCE_NUMBER),
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logicalBlockSizeTypeL = BitConverter.ToUInt16(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_L_LOGICAL_BLOCK_SIZE),
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logicalBlockSizeTypeM = BitConverter.ToUInt16(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_M_LOGICAL_BLOCK_SIZE),
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pathTableSizeTypeL = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_L_PATH_TABLE_SIZE),
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pathTableSizeTypeM = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_M_PATH_TABLE_SIZE),
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pathTableLocationTypeL = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_L_PATH_TABLE),
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optionalPathTableLocationTypeL = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_L_OPTIONAL_PATH_TABLE),
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pathTableLocationTypeM = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_M_PATH_TABLE),
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optionalPathTableLocationTypeM = BitConverter.ToUInt32(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_TYPE_M_OPTIONAL_PATH_TABLE),
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SetIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_SET_IDENTIFIER, 128).Trim(),
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PublisherIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_PUBLISHER_IDENTIFIER, 128).Trim(),
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PreparerIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_PREPARER_IDENTIFIER, 128).Trim(),
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ApplicationIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_APPLICATION_IDENTIFIER, 128).Trim(),
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CopyrightFileIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_COPYRIGHT_FILE_IDENTIFIER, 37).Trim(),
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AbstractFileIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_ABSTRACT_FILE_IDENTIFIER, 37).Trim(),
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BibliographicFileIdentifier = Encoding.Default.GetString(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_BIBLIOGRAPHIC_FILE_IDENTIFIER, 37).Trim(),
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CreationDateTime = VolumeDescriptorConverter.VolumeDescriptorDateTimeConverter.ToDateTime(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_CREATION_DATE),
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ModificationDateTime = VolumeDescriptorConverter.VolumeDescriptorDateTimeConverter.ToDateTime(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_MODIFICATION_DATE),
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ExpirationDateTime = VolumeDescriptorConverter.VolumeDescriptorDateTimeConverter.ToDateTime(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_EXPIRATION_DATE),
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EffectiveDateTime = VolumeDescriptorConverter.VolumeDescriptorDateTimeConverter.ToDateTime(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_VOLUME_EFFECTIVE_DATE),
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FileStructureVersion = (sbyte) buffer[startIndex + (int) VolumeDescriptorConverter.OFFSET_FILE_STRUCTURE_VERSION]
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};
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volumeDescriptor.rootDirectoryRecord = DirectoryRecordConverter.ToRootDirectoryRecord(buffer, startIndex + (int) VolumeDescriptorConverter.OFFSET_ROOT_DIRECTORY_RECORD);
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if (!VolumeDescriptorConverter.STANDARD_IDENTIFIER.Equals(volumeDescriptor.StandardIdentifier) || volumeDescriptor.Type != VolumeDescriptorType.PRIMARY_VOLUME_DESCRIPTOR || (int) volumeDescriptor.Version != (int) VolumeDescriptorConverter.VOLUME_DESCRIPTOR_VERSION)
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throw new FormatException();
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return volumeDescriptor;
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}
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private sealed class VolumeDescriptorDateTimeConverter
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{
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private static readonly Logger.ILog logger = Logger.CreateLog();
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private const int DATETIME_SIZE = 17;
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private const int OFFSET_YEAR = 0;
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private const int OFFSET_MONTH = 4;
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private const int OFFSET_DAY = 6;
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private const int OFFSET_HOUR = 8;
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private const int OFFSET_MINUTE = 10;
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private const int OFFSET_SECOND = 12;
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private const int OFFSET_HUNDREDTHS_OF_SECOND = 14;
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private const int OFFSET_TIME_ZONE = 16;
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internal static DateTime? ToDateTime(byte[] buffer, int startIndex)
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{
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if (startIndex < 0 || buffer.Length - startIndex < 17)
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throw new ArgumentOutOfRangeException();
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string str = Encoding.Default.GetString(buffer, startIndex, 16);
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ushort result1;
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ushort.TryParse(str.Substring(0, 4), out result1);
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byte result2;
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byte.TryParse(str.Substring(4, 2), out result2);
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byte result3;
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byte.TryParse(str.Substring(6, 2), out result3);
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byte result4;
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byte.TryParse(str.Substring(8, 2), out result4);
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byte result5;
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byte.TryParse(str.Substring(10, 2), out result5);
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byte result6;
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byte.TryParse(str.Substring(12, 2), out result6);
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byte result7;
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byte.TryParse(str.Substring(14, 2), out result7);
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try
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{
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return new DateTime?(new DateTime((int) result1, (int) result2, (int) result3, (int) result4, (int) result5, (int) result6, (int) result7 * 100, DateTimeKind.Local));
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}
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catch (Exception ex)
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{
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logger.Warn(ex);
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return new DateTime?();
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}
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}
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}
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}
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}
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@ -0,0 +1,17 @@
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// Decompiled with JetBrains decompiler
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// Type: ImageReader.ISO9660.VolumeDescriptors.VolumeDescriptorType
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// Assembly: ImageReader, Version=1.5.2.0, Culture=neutral, PublicKeyToken=611be24fdeb07e08
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// MVID: E0717604-B50B-4CB4-B85C-C17F43D5C04B
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// Assembly location: ImageReader.dll
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namespace ImageReader.ISO9660.VolumeDescriptors
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{
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public enum VolumeDescriptorType : byte
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{
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BOOT_RECORD = 0,
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PRIMARY_VOLUME_DESCRIPTOR = 1,
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SUPPLEMENTARY_VOLUME_DESCRIPTOR = 2,
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VOLUME_PARTITION_DESCRIPTOR = 3,
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VOLUME_DESCRIPTION_SET_TERMINATOR = 255, // 0xFF
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}
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}
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