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);
}
