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<?php
namespace Box\Spout\Reader\Common\Manager;
use Box\Spout\Common\Entity\Row;
use Box\Spout\Reader\Common\Creator\InternalEntityFactoryInterface;
/**
* Class RowManager
*/
class RowManager
{
/** @var InternalEntityFactoryInterface Factory to create entities */
private $entityFactory;
/**
* @param InternalEntityFactoryInterface $entityFactory Factory to create entities
*/
public function __construct(InternalEntityFactoryInterface $entityFactory)
{
$this->entityFactory = $entityFactory;
}
/**
* Detect whether a row is considered empty.
* An empty row has all of its cells empty.
*
* @param Row $row
* @return bool
*/
public function isEmpty(Row $row)
{
foreach ($row->getCells() as $cell) {
if (!$cell->isEmpty()) {
return false;
}
}
return true;
}
/**
* Fills the missing indexes of a row with empty cells.
*
* @param Row $row
* @return Row
*/
public function fillMissingIndexesWithEmptyCells(Row $row)
{
$numCells = $row->getNumCells();
if ($numCells === 0) {
return $row;
}
$rowCells = $row->getCells();
$maxCellIndex = $numCells;
// If the row has empty cells, calling "setCellAtIndex" will add the cell
// but in the wrong place (the new cell is added at the end of the array).
// Therefore, we need to sort the array using keys to have proper order.
// @see https://github.com/box/spout/issues/740
$needsSorting = false;
for ($cellIndex = 0; $cellIndex < $maxCellIndex; $cellIndex++) {
if (!isset($rowCells[$cellIndex])) {
$row->setCellAtIndex($this->entityFactory->createCell(''), $cellIndex);
$needsSorting = true;
}
}
if ($needsSorting) {
$rowCells = $row->getCells();
ksort($rowCells);
$row->setCells($rowCells);
}
return $row;
}
}
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