internal static TableIndex?ReadCodedTableIndex(System.IO.Stream stream, CodedTableIndexKind indexKind, IDictionary <CodedTableIndexKind, Boolean> tRefSizes, Byte[] tmpArray, Boolean throwOnNull = true)
{
var idx = tRefSizes[indexKind] ? stream.ReadU32(tmpArray) : stream.ReadU16(tmpArray);
TableIndex?retVal;
if (CheckRowIndex(indexKind, throwOnNull, idx))
{
var possibleTables = GetTablesForCodedIndex(indexKind);
var rowIdx = (idx >> possibleTables.Item3);
if (CheckRowIndex(indexKind, throwOnNull, rowIdx))
{
retVal = new TableIndex(possibleTables.Item1[possibleTables.Item2 & idx].Value, (Int32)rowIdx - 1);
}
else
{
retVal = null;
}
}
else
{
retVal = null;
}
return(retVal);
}
// Zero-based
internal static TableIndex ReadSimpleTableIndex(System.IO.Stream stream, Tables targetTable, UInt32[] tableSizes, Byte[] tmpArray)
{
return(new TableIndex(targetTable, ((Int32)(tableSizes[(Int32)targetTable] > UInt16.MaxValue ? stream.ReadU32(tmpArray) : stream.ReadU16(tmpArray))) - 1));
}