public override int ReadFrom(byte[] buffer, int offset) { DescriptorTag = Utilities.ToStruct<DescriptorTag>(buffer, offset); InformationControlBlock = Utilities.ToStruct<InformationControlBlock>(buffer, offset + 16); Uid = Utilities.ToUInt32LittleEndian(buffer, offset + 36); Gid = Utilities.ToUInt32LittleEndian(buffer, offset + 40); Permissions = (FilePermissions)Utilities.ToUInt32LittleEndian(buffer, offset + 44); FileLinkCount = Utilities.ToUInt16LittleEndian(buffer, offset + 48); RecordFormat = buffer[offset + 50]; RecordDisplayAttributes = buffer[offset + 51]; RecordLength = Utilities.ToUInt16LittleEndian(buffer, offset + 52); InformationLength = Utilities.ToUInt64LittleEndian(buffer, offset + 56); ObjectSize = Utilities.ToUInt64LittleEndian(buffer, offset + 64); LogicalBlocksRecorded = Utilities.ToUInt64LittleEndian(buffer, offset + 72); AccessTime = UdfUtilities.ParseTimestamp(buffer, offset + 80); ModificationTime = UdfUtilities.ParseTimestamp(buffer, offset + 92); CreationTime = UdfUtilities.ParseTimestamp(buffer, offset + 104); AttributeTime = UdfUtilities.ParseTimestamp(buffer, offset + 116); Checkpoint = Utilities.ToUInt32LittleEndian(buffer, offset + 128); ExtendedAttributeIcb = Utilities.ToStruct<LongAllocationDescriptor>(buffer, offset + 136); StreamDirectoryIcb = Utilities.ToStruct<LongAllocationDescriptor>(buffer, offset + 152); ImplementationIdentifier = Utilities.ToStruct<ImplementationEntityIdentifier>(buffer, offset + 168); UniqueId = Utilities.ToUInt64LittleEndian(buffer, offset + 200); ExtendedAttributesLength = Utilities.ToInt32LittleEndian(buffer, offset + 208); AllocationDescriptorsLength = Utilities.ToInt32LittleEndian(buffer, offset + 212); AllocationDescriptors = Utilities.ToByteArray(buffer, offset + 216 + ExtendedAttributesLength, AllocationDescriptorsLength); byte[] eaData = Utilities.ToByteArray(buffer, offset + 216, ExtendedAttributesLength); ExtendedAttributes = ReadExtendedAttributes(eaData); return (int)(216 + ExtendedAttributesLength + AllocationDescriptorsLength); }
public int ReadFrom(byte[] buffer, int offset) { DescriptorTag = Utilities.ToStruct<DescriptorTag>(buffer, offset); RecordingTime = UdfUtilities.ParseTimestamp(buffer, offset + 16); InterchangeLevel = Utilities.ToUInt16LittleEndian(buffer, offset + 28); MaximumInterchangeLevel = Utilities.ToUInt16LittleEndian(buffer, offset + 30); CharacterSetList = Utilities.ToUInt32LittleEndian(buffer, offset + 32); MaximumCharacterSetList = Utilities.ToUInt32LittleEndian(buffer, offset + 36); FileSetNumber = Utilities.ToUInt32LittleEndian(buffer, offset + 40); FileSetDescriptorNumber = Utilities.ToUInt32LittleEndian(buffer, offset + 44); LogicalVolumeIdentifierCharset = Utilities.ToStruct<CharacterSetSpecification>(buffer, offset + 48); LogicalVolumeIdentifier = UdfUtilities.ReadDString(buffer, offset + 112, 128); FileSetCharset = Utilities.ToStruct<CharacterSetSpecification>(buffer, offset + 240); FileSetIdentifier = UdfUtilities.ReadDString(buffer, offset + 304, 32); CopyrightFileIdentifier = UdfUtilities.ReadDString(buffer, offset + 336, 32); AbstractFileIdentifier = UdfUtilities.ReadDString(buffer, offset + 368, 32); RootDirectoryIcb = Utilities.ToStruct<LongAllocationDescriptor>(buffer, offset + 400); DomainIdentifier = Utilities.ToStruct<DomainEntityIdentifier>(buffer, offset + 416); NextExtent = Utilities.ToStruct<LongAllocationDescriptor>(buffer, offset + 448); SystemStreamDirectoryIcb = Utilities.ToStruct<LongAllocationDescriptor>(buffer, offset + 464); return 512; }
public static byte[] ReadExtent(UdfContext context, LongAllocationDescriptor extent) { LogicalPartition partition = context.LogicalPartitions[extent.ExtentLocation.Partition]; long pos = extent.ExtentLocation.LogicalBlock * partition.LogicalBlockSize; return Utilities.ReadFully(partition.Content, pos, (int)extent.ExtentLength); }
public int ReadFrom(byte[] buffer, int offset) { DescriptorTag = Utilities.ToStruct<DescriptorTag>(buffer, offset); FileVersionNumber = Utilities.ToUInt16LittleEndian(buffer, offset + 16); FileCharacteristics = (FileCharacteristic)buffer[offset + 18]; NameLength = buffer[offset + 19]; FileLocation = Utilities.ToStruct<LongAllocationDescriptor>(buffer, offset + 20); ImplementationUseLength = Utilities.ToUInt16LittleEndian(buffer, offset + 36); ImplementationUse = Utilities.ToByteArray(buffer, offset + 38, ImplementationUseLength); Name = UdfUtilities.ReadDCharacters(buffer, offset + 38 + ImplementationUseLength, NameLength); return Utilities.RoundUp(38 + ImplementationUseLength + NameLength, 4); }