<?php

namespace PhpOffice\PhpSpreadsheet\Reader;


> use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException;


use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;
use PhpOffice\PhpSpreadsheet\Shared\File;

abstract class BaseReader implements IReader
{
    /**
     * Read data only?
     * Identifies whether the Reader should only read data values for cells, and ignore any formatting information;
     *        or whether it should read both data and formatting.
     *
     * @var bool
     */
    protected $readDataOnly = false;

    /**
     * Read empty cells?
     * Identifies whether the Reader should read data values for cells all cells, or should ignore cells containing
     *         null value or empty string.
     *
     * @var bool
     */
    protected $readEmptyCells = true;

    /**
     * Read charts that are defined in the workbook?
     * Identifies whether the Reader should read the definitions for any charts that exist in the workbook;.
     *
     * @var bool
     */
    protected $includeCharts = false;

    /**
     * Restrict which sheets should be loaded?
     * This property holds an array of worksheet names to be loaded. If null, then all worksheets will be loaded.
     *
     * @var array of string
     */
    protected $loadSheetsOnly;

    /**
     * IReadFilter instance.
     *
     * @var IReadFilter
     */
    protected $readFilter;

    protected $fileHandle;

    /**
     * @var XmlScanner
     */
    protected $securityScanner;

    public function __construct()
    {
        $this->readFilter = new DefaultReadFilter();
    }

    public function getReadDataOnly()
    {
        return $this->readDataOnly;
    }

    public function setReadDataOnly($pValue)
    {
        $this->readDataOnly = (bool) $pValue;

        return $this;
    }

    public function getReadEmptyCells()
    {
        return $this->readEmptyCells;
    }

    public function setReadEmptyCells($pValue)
    {
        $this->readEmptyCells = (bool) $pValue;

        return $this;
    }

    public function getIncludeCharts()
    {
        return $this->includeCharts;
    }

    public function setIncludeCharts($pValue)
    {
        $this->includeCharts = (bool) $pValue;

        return $this;
    }

    public function getLoadSheetsOnly()
    {
        return $this->loadSheetsOnly;
    }

    public function setLoadSheetsOnly($value)
    {
        if ($value === null) {
            return $this->setLoadAllSheets();
        }

        $this->loadSheetsOnly = is_array($value) ? $value : [$value];

        return $this;
    }

    public function setLoadAllSheets()
    {
        $this->loadSheetsOnly = null;

        return $this;
    }

    public function getReadFilter()
    {
        return $this->readFilter;
    }

    public function setReadFilter(IReadFilter $pValue)
    {
        $this->readFilter = $pValue;

        return $this;
    }

    public function getSecurityScanner()
    {

<         if (property_exists($this, 'securityScanner')) {


            return $this->securityScanner;
        }


<         return null;
<     }
< 


    /**
     * Open file for reading.
     *
     * @param string $pFilename

<      *
<      * @throws Exception


     */

<     protected function openFile($pFilename)



>     protected function openFile($pFilename): void


    {

>         if ($pFilename) {


        File::assertFile($pFilename);

        // Open file

<         $this->fileHandle = fopen($pFilename, 'r');
<         if ($this->fileHandle === false) {
<             throw new Exception('Could not open file ' . $pFilename . ' for reading.');



>             $fileHandle = fopen($pFilename, 'rb');
>         } else {
>             $fileHandle = false;
>         }
>         if ($fileHandle !== false) {
>             $this->fileHandle = $fileHandle;
>         } else {
>             throw new ReaderException('Could not open file ' . $pFilename . ' for reading.');


        }
    }
}