private VltBlockContainer ReadBlock(BinaryReader reader)
{
if (reader.BaseStream.Position == reader.BaseStream.Length)
{
return(null);
}
var block = new VltBlock
{
Position = reader.BaseStream.Position,
Type = (VltMarker)reader.ReadInt32(),
BlockLength = reader.ReadInt32(),
};
if (!block.IsBlank())
{
var vltType = block.Type;
VltBlockContainer bc;
switch (vltType)
{
case VltMarker.VltMagic:
bc = new HeaderBlock();
break;
case VltMarker.TableStart:
bc = new TableStartBlock();
break;
case VltMarker.TableEnd:
bc = new TableEndBlock();
break;
default:
bc = new PlaceholderBlock();
break;
}
bc.Block = block;
bc.Read(reader);
block.SeekToNextBlock(reader.BaseStream);
return(bc);
}
return(null);
}
