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);
}
public OpenStartElementTag(long recordPosition, BinaryReader dataStream, ChunkInfo chunk, bool hasAttribute)
{
var l = LogManager.GetLogger("BuildTag");
_chunk = chunk;
RecordPosition = recordPosition;
Nodes = new List <IBinXml>();
Attributes = new List <Attribute>();
SubstitutionSlot = dataStream.ReadInt16();
Size = dataStream.ReadInt32();
var startPos = dataStream.BaseStream.Position;
var elementOffset = dataStream.ReadUInt32();
Name = chunk.GetStringTableEntry(elementOffset);
var subinfo = string.Empty;
if (SubstitutionSlot > -1)
{
subinfo = $", Substitution Slot: {SubstitutionSlot}";
}
if (elementOffset > recordPosition + startPos)
{
dataStream.BaseStream.Seek(Name.Size, SeekOrigin.Current);
}
if (hasAttribute)
{
var attrSize = dataStream.ReadInt32();
var attrStartPos = dataStream.BaseStream.Position;
while (dataStream.BaseStream.Position < attrStartPos + attrSize)
{
var attrTag = TagBuilder.BuildTag(recordPosition, dataStream, chunk);
if (attrTag is Attribute attribute)
{
Attributes.Add(attribute);
}
}
}
var i = TagBuilder.BuildTag(recordPosition, dataStream, chunk);
if (i is EndOfBXmlStream)
{
l.Warn($"Unexpected data at offset 0x{(chunk.AbsoluteOffset+recordPosition+dataStream.BaseStream.Position):X}! This usually means the record is corrupt or incomplete!");
return;
}
Trace.Assert(i is CloseStartElementTag || i is CloseEmptyElementTag,
$"I didn't get a CloseStartElementTag: {i.GetType()}");
Nodes.Add(i);
var att = string.Empty;
if (Attributes.Count > 0)
{
att = $", attributes: {string.Join(" | ", Attributes)}";
}
l.Trace($"Name: {Name.Value}{subinfo}{att}");
while (dataStream.BaseStream.Position < startPos + Size)
{
var n = TagBuilder.BuildTag(recordPosition, dataStream, chunk);
Nodes.Add(n);
}
}
