/**
* @param rs record stream with all {@link SharedFormulaRecord} {@link ArrayRecord}, {@link
* TableRecord} {@link MergeCellsRecord} Records removed
* @param svm an initialised {@link SharedValueManager} (from the shared formula, array and table
* records of the current sheet). Never <code>null</code>.
*/
public RowRecordsAggregate(RecordStream rs, SharedValueManager svm) {
this(svm);
while (rs.hasNext()) {
Record rec = rs.getNext();
switch (rec.getSid()) {
case RowRecord.sid:
insertRow((RowRecord) rec);
continue;
case DConRefRecord.sid:
addUnknownRecord(rec);
continue;
case DBCellRecord.sid:
// end of 'Row Block'. Should only occur after cell records
// ignore DBCELL records because POI generates them upon re-serialization
continue;
}
if (rec instanceof UnknownRecord) {
// might need to keep track of where exactly these belong
addUnknownRecord(rec);
while (rs.peekNextSid() == ContinueRecord.sid) {
addUnknownRecord(rs.getNext());
}
continue;
}
if (rec instanceof MulBlankRecord) {
_valuesAgg.addMultipleBlanks((MulBlankRecord) rec);
continue;
}
if (!(rec instanceof CellValueRecordInterface)) {
throw new RuntimeException("Unexpected record type (" + rec.getClass().getName() + ")");
}
_valuesAgg.construct((CellValueRecordInterface) rec, rs, svm);
}
}
public DimensionsRecord createDimensions() {
DimensionsRecord result = new DimensionsRecord();
result.setFirstRow(_firstrow);
result.setLastRow(_lastrow);
result.setFirstCol((short) _valuesAgg.getFirstCellNum());
result.setLastCol((short) _valuesAgg.getLastCellNum());
return result;
}
public IndexRecord createIndexRecord(int indexRecordOffset, int sizeOfInitialSheetRecords) {
IndexRecord result = new IndexRecord();
result.setFirstRow(_firstrow);
result.setLastRowAdd1(_lastrow + 1);
// Calculate the size of the records from the end of the BOF
// and up to the RowRecordsAggregate...
// Add the references to the DBCells in the IndexRecord (one for each block)
// Note: The offsets are relative to the Workbook BOF. Assume that this is
// 0 for now.....
int blockCount = getRowBlockCount();
// Calculate the size of this IndexRecord
int indexRecSize = IndexRecord.getRecordSizeForBlockCount(blockCount);
int currentOffset = indexRecordOffset + indexRecSize + sizeOfInitialSheetRecords;
for (int block = 0; block < blockCount; block++) {
// each row-block has a DBCELL record.
// The offset of each DBCELL record needs to be updated in the INDEX record
// account for row records in this row-block
currentOffset += getRowBlockSize(block);
// account for cell value records after those
currentOffset +=
_valuesAgg.getRowCellBlockSize(
getStartRowNumberForBlock(block), getEndRowNumberForBlock(block));
// currentOffset is now the location of the DBCELL record for this row-block
result.addDbcell(currentOffset);
// Add space required to write the DBCELL record (whose reference was just added).
currentOffset += (8 + (getRowCountForBlock(block) * 2));
}
return result;
}
@Override
public void visitContainedRecords(RecordVisitor rv) {
PositionTrackingVisitor stv = new PositionTrackingVisitor(rv, 0);
// DBCells are serialized before row records.
final int blockCount = getRowBlockCount();
for (int blockIndex = 0; blockIndex < blockCount; blockIndex++) {
// Serialize a block of rows.
// Hold onto the position of the first row in the block
int pos = 0;
// Hold onto the size of this block that was serialized
final int rowBlockSize = visitRowRecordsForBlock(blockIndex, rv);
pos += rowBlockSize;
// Serialize a block of cells for those rows
final int startRowNumber = getStartRowNumberForBlock(blockIndex);
final int endRowNumber = getEndRowNumberForBlock(blockIndex);
DBCellRecord.Builder dbcrBuilder = new DBCellRecord.Builder();
// Note: Cell references start from the second row...
int cellRefOffset = (rowBlockSize - RowRecord.ENCODED_SIZE);
for (int row = startRowNumber; row <= endRowNumber; row++) {
if (_valuesAgg.rowHasCells(row)) {
stv.setPosition(0);
_valuesAgg.visitCellsForRow(row, stv);
int rowCellSize = stv.getPosition();
pos += rowCellSize;
// Add the offset to the first cell for the row into the
// DBCellRecord.
dbcrBuilder.addCellOffset(cellRefOffset);
cellRefOffset = rowCellSize;
}
}
// Calculate Offset from the start of a DBCellRecord to the first Row
rv.visitRecord(dbcrBuilder.build(pos));
}
for (int i = 0; i < _unknownRecords.size(); i++) {
// Potentially breaking the file here since we don't know exactly where to write these records
rv.visitRecord(_unknownRecords.get(i));
}
}
public void removeRow(RowRecord row) {
int rowIndex = row.getRowNumber();
_valuesAgg.removeAllCellsValuesForRow(rowIndex);
Integer key = Integer.valueOf(rowIndex);
RowRecord rr = _rowRecords.remove(key);
if (rr == null) {
throw new RuntimeException("Invalid row index (" + key.intValue() + ")");
}
if (row != rr) {
_rowRecords.put(key, rr);
throw new RuntimeException("Attempt to remove row that does not belong to this sheet");
}
// Clear the cached values
_rowRecordValues = null;
}
public void updateFormulasAfterRowShift(
FormulaShifter formulaShifter, int currentExternSheetIndex) {
_valuesAgg.updateFormulasAfterRowShift(formulaShifter, currentExternSheetIndex);
}
public void removeCell(CellValueRecordInterface cvRec) {
if (cvRec instanceof FormulaRecordAggregate) {
((FormulaRecordAggregate) cvRec).notifyFormulaChanging();
}
_valuesAgg.removeCell(cvRec);
}
public void insertCell(CellValueRecordInterface cvRec) {
_valuesAgg.insertCell(cvRec);
}
/** @deprecated use {@link #getCellValueIterator()} instead */
public CellValueRecordInterface[] getValueRecords() {
return _valuesAgg.getValueRecords();
}
/** Returns an iterator for the cell values */
public Iterator<CellValueRecordInterface> getCellValueIterator() {
return _valuesAgg.iterator();
}