예제 #1
0
        /**
         * Clone this record.
         */
        public override Object Clone()
        {
            ContinueRecord Clone = new ContinueRecord();

            Clone.Data = (field_1_data);
            return(Clone);
        }
        /**
         * @return the next available record, or <code>null</code> if
         * this pass didn't return a record that's
         * suitable for returning (eg was a continue record).
         */
        private Record ReadNextRecord()
        {
            Record record = RecordFactory.CreateSingleRecord(_recStream);

            _lastRecordWasEOFLevelZero = false;

            if (record is BOFRecord)
            {
                _bofDepth++;
                return(record);
            }

            if (record is EOFRecord)
            {
                _bofDepth--;
                if (_bofDepth < 1)
                {
                    _lastRecordWasEOFLevelZero = true;
                }

                return(record);
            }

            if (record is DBCellRecord)
            {
                // Not needed by POI.  Regenerated from scratch by POI when spreadsheet is written
                return(null);
            }

            if (record is RKRecord)
            {
                return(RecordFactory.ConvertToNumberRecord((RKRecord)record));
            }

            if (record is MulRKRecord)
            {
                Record[] records = RecordFactory.ConvertRKRecords((MulRKRecord)record);

                _unreadRecordBuffer = records;
                _unreadRecordIndex  = 1;
                return(records[0]);
            }

            if (record.Sid == DrawingGroupRecord.sid &&
                _lastRecord is DrawingGroupRecord)
            {
                DrawingGroupRecord lastDGRecord = (DrawingGroupRecord)_lastRecord;
                lastDGRecord.Join((AbstractEscherHolderRecord)record);
                return(null);
            }
            if (record.Sid == ContinueRecord.sid)
            {
                ContinueRecord contRec = (ContinueRecord)record;

                if (_lastRecord is ObjRecord || _lastRecord is TextObjectRecord)
                {
                    // Drawing records have a very strange continue behaviour.
                    //There can actually be OBJ records mixed between the continues.
                    _lastDrawingRecord.ProcessContinueRecord(contRec.Data);
                    //we must remember the position of the continue record.
                    //in the serialization procedure the original structure of records must be preserved
                    if (_shouldIncludeContinueRecords)
                    {
                        return(record);
                    }
                    return(null);
                }
                if (_lastRecord is DrawingGroupRecord)
                {
                    ((DrawingGroupRecord)_lastRecord).ProcessContinueRecord(contRec.Data);
                    return(null);
                }
                if (_lastRecord is DrawingRecord)
                {
                    ((DrawingRecord)_lastRecord).ProcessContinueRecord(contRec.Data);
                    return(null);
                }
                if (_lastRecord is UnknownRecord)
                {
                    //Gracefully handle records that we don't know about,
                    //that happen to be continued
                    return(record);
                }
                if (_lastRecord is EOFRecord)
                {
                    // This is really odd, but excel still sometimes
                    //  outPuts a file like this all the same
                    return(record);
                }
                //if (_lastRecord is StringRecord)
                //{
                //    ((StringRecord)_lastRecord).ProcessContinueRecord(contRec.Data);
                //    return null;
                //}
                throw new RecordFormatException("Unhandled Continue Record");
            }
            _lastRecord = record;
            if (record is DrawingRecord)
            {
                _lastDrawingRecord = (DrawingRecord)record;
            }
            return(record);
        }