Ejemplo n.º 1
0
        public virtual 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);
            LogicalBlocksRecorded       = Utilities.ToUInt64LittleEndian(buffer, offset + 64);
            AccessTime                  = UdfUtilities.ParseTimestamp(buffer, offset + 72);
            ModificationTime            = UdfUtilities.ParseTimestamp(buffer, offset + 84);
            AttributeTime               = UdfUtilities.ParseTimestamp(buffer, offset + 96);
            Checkpoint                  = Utilities.ToUInt32LittleEndian(buffer, offset + 108);
            ExtendedAttributeIcb        = Utilities.ToStruct <LongAllocationDescriptor>(buffer, offset + 112);
            ImplementationIdentifier    = Utilities.ToStruct <ImplementationEntityIdentifier>(buffer, offset + 128);
            UniqueId                    = Utilities.ToUInt64LittleEndian(buffer, offset + 160);
            ExtendedAttributesLength    = Utilities.ToInt32LittleEndian(buffer, offset + 168);
            AllocationDescriptorsLength = Utilities.ToInt32LittleEndian(buffer, offset + 172);
            AllocationDescriptors       = Utilities.ToByteArray(buffer, offset + 176 + ExtendedAttributesLength, AllocationDescriptorsLength);

            byte[] eaData = Utilities.ToByteArray(buffer, offset + 176, ExtendedAttributesLength);
            ExtendedAttributes = ReadExtendedAttributes(eaData);

            return((int)(176 + ExtendedAttributesLength + AllocationDescriptorsLength));
        }
Ejemplo n.º 2
0
        public override int ReadFrom(byte[] buffer, int offset)
        {
            int read = base.ReadFrom(buffer, offset);

            int iuSize = Utilities.ToInt32LittleEndian(buffer, offset + 12);

            ImplementationIdentifier = new ImplementationEntityIdentifier();
            ImplementationIdentifier.ReadFrom(buffer, offset + 16);

            ImplementationUseData = new byte[iuSize];
            Array.Copy(buffer, offset + 48, ImplementationUseData, 0, iuSize);

            return(read);
        }