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Viewing / Editing File: RowManager.php

<?php

namespace OpenSpout\Reader\Common\Manager;

use OpenSpout\Common\Entity\Row;
use OpenSpout\Reader\Common\Creator\InternalEntityFactoryInterface;

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.
     *
     * @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.
     *
     * @return Row
     */
    public function fillMissingIndexesWithEmptyCells(Row $row)
    {
        $numCells = $row->getNumCells();

if (0 === $numCells) {
            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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