public Attribute(long recordPosition, BinaryReader dataStream, ChunkInfo chunk)
{
var l = LogManager.GetLogger("Attribute");
RecordPosition = recordPosition;
//we need the size of the attribute
dataStream.BaseStream.Seek(-5, SeekOrigin.Current);
Size = dataStream.ReadInt32();
var op = dataStream.ReadByte();
Trace.Assert(op == 6 || op == 0x46, $"op is 0x{op:X}");
var nameOffset = dataStream.ReadUInt32();
var nameElement = chunk.GetStringTableEntry(nameOffset);
Name = nameElement.Value;
if (nameOffset > recordPosition)
{
dataStream.BaseStream.Seek(nameElement.Size, SeekOrigin.Current);
}
AttributeInfo = TagBuilder.BuildTag(recordPosition, dataStream, chunk);
switch (AttributeInfo)
{
case NormalSubstitution nsv:
case OptionalSubstitution osv:
//this will be substituted when actually populating the record with record data
break;
case Value vv:
Value = vv.ValueData;
break;
default:
throw new Exception(
$"Unknown attribute info ({AttributeInfo.GetType()})! Please send the file to [email protected]");
}
l.Trace(this);
}