private void WriteExtraDataSection(BinaryWriter writer)
{
foreach (var blockWriter in Item.ExtraDataBlocks.Select(block => ExtraDataBlockHandlerFactory.GetInstance(block, Item)))
{
blockWriter.WriteTo(writer);
}
writer.Write(0);
}
private void ReadExtraDataSection(BinaryReader reader)
{
Item.ExtraDataBlocks = new List <ExtraDataBlock>();
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
int blocksize = reader.ReadInt32();
if (blocksize < 0x4) // Terminal Block
{
break;
}
var signature = (ExtraDataBlockSignature)(reader.ReadInt32());
var block = ExtraDataBlockFactory.GetInstance(signature);
Item.ExtraDataBlocks.Add(block);
var blockReader = ExtraDataBlockHandlerFactory.GetInstance(block, Item);
reader.BaseStream.Seek(-Marshal.SizeOf(blocksize) - Marshal.SizeOf(typeof(int)), SeekOrigin.Current);
blockReader.ReadFrom(reader);
}
}