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<?php |
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namespace PhpOffice\PhpSpreadsheet\Worksheet; |
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use PhpOffice\PhpSpreadsheet\Cell\Coordinate; |
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use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException; |
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class RowCellIterator extends CellIterator |
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{ |
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/** |
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* Current iterator position. |
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* |
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* @var int |
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*/ |
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private $currentColumnIndex; |
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/** |
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* Row index. |
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* |
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* @var int |
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*/ |
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private $rowIndex = 1; |
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/** |
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* Start position. |
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* |
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* @var int |
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*/ |
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private $startColumnIndex = 1; |
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/** |
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* End position. |
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* |
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* @var int |
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*/ |
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private $endColumnIndex = 1; |
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/** |
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* Create a new column iterator. |
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* |
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* @param Worksheet $worksheet The worksheet to iterate over |
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* @param int $rowIndex The row that we want to iterate |
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* @param string $startColumn The column address at which to start iterating |
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* @param string $endColumn Optionally, the column address at which to stop iterating |
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*/ |
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View Code Duplication |
public function __construct(Worksheet $worksheet = null, $rowIndex = 1, $startColumn = 'A', $endColumn = null) |
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{ |
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// Set subject and row index |
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$this->worksheet = $worksheet; |
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$this->rowIndex = $rowIndex; |
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$this->resetEnd($endColumn); |
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$this->resetStart($startColumn); |
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} |
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/** |
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* (Re)Set the start column and the current column pointer. |
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* |
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* @param string $startColumn The column address at which to start iterating |
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* |
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* @throws PhpSpreadsheetException |
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* |
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* @return RowCellIterator |
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*/ |
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public function resetStart($startColumn = 'A') |
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{ |
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$this->startColumnIndex = Coordinate::columnIndexFromString($startColumn); |
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$this->adjustForExistingOnlyRange(); |
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$this->seek(Coordinate::stringFromColumnIndex($this->startColumnIndex)); |
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return $this; |
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} |
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/** |
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* (Re)Set the end column. |
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* |
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* @param string $endColumn The column address at which to stop iterating |
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* |
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* @throws PhpSpreadsheetException |
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* |
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* @return RowCellIterator |
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*/ |
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public function resetEnd($endColumn = null) |
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{ |
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$endColumn = $endColumn ? $endColumn : $this->worksheet->getHighestColumn(); |
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$this->endColumnIndex = Coordinate::columnIndexFromString($endColumn); |
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$this->adjustForExistingOnlyRange(); |
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return $this; |
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} |
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/** |
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* Set the column pointer to the selected column. |
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* |
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* @param string $column The column address to set the current pointer at |
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* |
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* @throws PhpSpreadsheetException |
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* |
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* @return RowCellIterator |
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*/ |
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public function seek($column = 'A') |
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{ |
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$column = Coordinate::columnIndexFromString($column); |
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if (($column < $this->startColumnIndex) || ($column > $this->endColumnIndex)) { |
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throw new PhpSpreadsheetException("Column $column is out of range ({$this->startColumnIndex} - {$this->endColumnIndex})"); |
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} elseif ($this->onlyExistingCells && !($this->worksheet->cellExistsByColumnAndRow($column, $this->rowIndex))) { |
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throw new PhpSpreadsheetException('In "IterateOnlyExistingCells" mode and Cell does not exist'); |
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} |
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$this->currentColumnIndex = $column; |
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return $this; |
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} |
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/** |
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* Rewind the iterator to the starting column. |
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*/ |
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public function rewind() |
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{ |
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$this->currentColumnIndex = $this->startColumnIndex; |
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} |
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/** |
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* Return the current cell in this worksheet row. |
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* |
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* @return \PhpOffice\PhpSpreadsheet\Cell\Cell |
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*/ |
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public function current() |
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{ |
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return $this->worksheet->getCellByColumnAndRow($this->currentColumnIndex, $this->rowIndex); |
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} |
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/** |
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* Return the current iterator key. |
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* |
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* @return string |
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*/ |
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public function key() |
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{ |
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return Coordinate::stringFromColumnIndex($this->currentColumnIndex); |
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} |
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/** |
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* Set the iterator to its next value. |
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*/ |
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public function next() |
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{ |
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View Code Duplication |
do { |
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++$this->currentColumnIndex; |
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} while (($this->onlyExistingCells) && (!$this->worksheet->cellExistsByColumnAndRow($this->currentColumnIndex, $this->rowIndex)) && ($this->currentColumnIndex <= $this->endColumnIndex)); |
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} |
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/** |
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* Set the iterator to its previous value. |
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* |
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* @throws PhpSpreadsheetException |
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*/ |
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public function prev() |
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{ |
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View Code Duplication |
if ($this->currentColumnIndex <= $this->startColumnIndex) { |
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throw new PhpSpreadsheetException('Column is already at the beginning of range (' . Coordinate::stringFromColumnIndex($this->endColumnIndex) . ' - ' . Coordinate::stringFromColumnIndex($this->endColumnIndex) . ')'); |
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} |
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View Code Duplication |
do { |
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--$this->currentColumnIndex; |
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} while (($this->onlyExistingCells) && (!$this->worksheet->cellExistsByColumnAndRow($this->currentColumnIndex, $this->rowIndex)) && ($this->currentColumnIndex >= $this->startColumnIndex)); |
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} |
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/** |
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* Indicate if more columns exist in the worksheet range of columns that we're iterating. |
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* |
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* @return bool |
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*/ |
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public function valid() |
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{ |
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return $this->currentColumnIndex <= $this->endColumnIndex; |
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} |
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/** |
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* Validate start/end values for "IterateOnlyExistingCells" mode, and adjust if necessary. |
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* |
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* @throws PhpSpreadsheetException |
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*/ |
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protected function adjustForExistingOnlyRange() |
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{ |
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if ($this->onlyExistingCells) { |
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while ((!$this->worksheet->cellExistsByColumnAndRow($this->startColumnIndex, $this->rowIndex)) && ($this->startColumnIndex <= $this->endColumnIndex)) { |
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++$this->startColumnIndex; |
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} |
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if ($this->startColumnIndex > $this->endColumnIndex) { |
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throw new PhpSpreadsheetException('No cells exist within the specified range'); |
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} |
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while ((!$this->worksheet->cellExistsByColumnAndRow($this->endColumnIndex, $this->rowIndex)) && ($this->endColumnIndex >= $this->startColumnIndex)) { |
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--$this->endColumnIndex; |
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} |
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if ($this->endColumnIndex < $this->startColumnIndex) { |
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throw new PhpSpreadsheetException('No cells exist within the specified range'); |
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} |
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} |
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} |
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} |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.