ComplexData?GetStructure(BlobDataInfo info, HexPosition position)
{
var pos = info.Span.Start;
var lengthStart = pos;
var len = ReadCompressedUInt32(ref pos) ?? -1;
if (len < 0)
{
return(null);
}
if (pos + len > Span.Span.End)
{
return(null);
}
var lengthSpan = HexSpan.FromBounds(lengthStart, pos);
var dataSpan = new HexSpan(lengthSpan.End, (ulong)len);
var fullSpan = HexSpan.FromBounds(lengthSpan.Start, dataSpan.End);
if (!fullSpan.Contains(position))
{
return(null);
}
switch (info.Kind)
{
case BlobDataKind.None:
case BlobDataKind.TypeSignature:
case BlobDataKind.Signature:
case BlobDataKind.Constant:
case BlobDataKind.CustomAttribute:
case BlobDataKind.NativeType:
case BlobDataKind.PermissionSet:
case BlobDataKind.PublicKey:
case BlobDataKind.PublicKeyOrToken:
case BlobDataKind.HashValue:
case BlobDataKind.Utf8Name:
case BlobDataKind.Name:
case BlobDataKind.SequencePoints:
case BlobDataKind.LocalConstantSig:
case BlobDataKind.Imports:
case BlobDataKind.CustomDebugInformationValue:
var varray = ArrayData.CreateVirtualByteArray(new HexBufferSpan(Span.Buffer, dataSpan));
return(new BlobHeapRecordData(Span.Buffer, fullSpan, lengthSpan, varray, info.Tokens, this));
default:
throw new InvalidOperationException();
}
}
BlobDataInfo[] CreateBlobDataInfos(TablesHeap?tables)
{
if (tables is null || Span.IsEmpty)
{
return(Array.Empty <BlobDataInfo>());
}
var dict = new Dictionary <uint, BlobDataInfoPosition>();
foreach (var info in tableInitInfos)
{
if (info.Column2 >= 0)
{
Add(dict, tables.MDTables[(int)info.Table], info.Column1, info.Kind1, info.Column2, info.Kind2);
}
else
{
Add(dict, tables.MDTables[(int)info.Table], info.Column1, info.Kind1);
}
}
AddNameIndexes(dict, tables, Table.Document, 0);
AddImportScopeIndexes(dict, tables, Table.ImportScope, 1);
dict[0] = new BlobDataInfoPosition(Span.Span.Start, BlobDataKind.None);
var infos = dict.Values.ToArray();
var res = new BlobDataInfo[infos.Length];
Array.Sort(infos, (a, b) => a.Position.CompareTo(b.Position));
for (int i = 0; i < infos.Length; i++)
{
var info = infos[i];
var end = i + 1 < infos.Length ? infos[i + 1].Position : Span.Span.End;
res[i] = new BlobDataInfo(HexSpan.FromBounds(info.Position, end), info.Tokens.ToArray(), info.Kind);
}
return(res);
}