for(table in tables)
        {
            switch(table)
            {
                case TGlyf(descriptions): glyfData = descriptions;
                case THmtx(metrics): hmtxData = metrics;
                case TCmap(subtables): cmapData = subtables;
                case TKern(kerning): kernData = kerning;
                case THead(data): headData = data;
                case TOS2(data): os2Data = data;
                default:
            }
        }