/// <inheritdoc />
public ISegment ResolveFieldData(IMetadata metadata, FieldRvaRow fieldRvaRow)
{
if (fieldRvaRow.Data is null)
{
return(null);
}
if (fieldRvaRow.Data.IsBounded)
{
return(fieldRvaRow.Data.GetSegment());
}
if (fieldRvaRow.Data.CanRead)
{
var table = metadata
.GetStream <TablesStream>()
.GetTable <FieldDefinitionRow>(TableIndex.Field);
if (fieldRvaRow.Field > table.Count)
{
throw new ArgumentException("Invalid Field column value.");
}
var field = table.GetByRid(fieldRvaRow.Field);
int valueSize = DetermineFieldSize(metadata, field);
var reader = fieldRvaRow.Data.CreateReader();
return(DataSegment.FromReader(reader, valueSize));
}
throw new NotSupportedException("Invalid or unsupported data column.");
}
private void AddFieldRva(MetadataToken ownerToken, FieldDefinition field)
{
// Don't emit any field rva rows if no initial data was specified.
if (field.FieldRva is null)
{
return;
}
var table = Metadata.TablesStream.GetSortedTable <FieldDefinition, FieldRvaRow>(TableIndex.FieldRva);
var row = new FieldRvaRow(
new SegmentReference(field.FieldRva),
ownerToken.Rid);
table.Add(field, row);
}
