<?php

namespace PhpOffice\PhpSpreadsheet\Reader;


> use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;
> use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException;


use PhpOffice\PhpSpreadsheet\Shared\File;

> use PhpOffice\PhpSpreadsheet\Spreadsheet;



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



>      * @var null|string[]


     */
    protected $loadSheetsOnly;

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


>     /** @var resource */


    protected $fileHandle;

    /**

<      * @var XmlScanner



>      * @var ?XmlScanner


     */
    protected $securityScanner;

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

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


<     public function setReadDataOnly($pValue)



>     public function setReadDataOnly($readCellValuesOnly)


    {

<         $this->readDataOnly = (bool) $pValue;



>         $this->readDataOnly = (bool) $readCellValuesOnly;



        return $this;
    }

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


<     public function setReadEmptyCells($pValue)



>     public function setReadEmptyCells($readEmptyCells)


    {

<         $this->readEmptyCells = (bool) $pValue;



>         $this->readEmptyCells = (bool) $readEmptyCells;



        return $this;
    }

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


<     public function setIncludeCharts($pValue)



>     public function setIncludeCharts($includeCharts)


    {

<         $this->includeCharts = (bool) $pValue;



>         $this->includeCharts = (bool) $includeCharts;



        return $this;
    }

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


<     public function setLoadSheetsOnly($value)



>     public function setLoadSheetsOnly($sheetList)


    {

<         if ($value === null) {



>         if ($sheetList === null) {


            return $this->setLoadAllSheets();
        }


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



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



        return $this;
    }

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

        return $this;
    }

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


<     public function setReadFilter(IReadFilter $pValue)



>     public function setReadFilter(IReadFilter $readFilter)


    {

<         $this->readFilter = $pValue;



>         $this->readFilter = $readFilter;



        return $this;
    }


<     public function getSecurityScanner()



>     public function getSecurityScanner(): ?XmlScanner


    {

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


            return $this->securityScanner;
        }


<         return null;



>     public function getSecurityScannerOrThrow(): XmlScanner
>     {
>         if ($this->securityScanner === null) {
>             throw new ReaderException('Security scanner is unexpectedly null');
>         }
> 
>         return $this->securityScanner;
>     }
> 
>     protected function processFlags(int $flags): void
>     {
>         if (((bool) ($flags & self::LOAD_WITH_CHARTS)) === true) {
>             $this->setIncludeCharts(true);
>         }
>         if (((bool) ($flags & self::READ_DATA_ONLY)) === true) {
>             $this->setReadDataOnly(true);
>         }
>         if (((bool) ($flags & self::SKIP_EMPTY_CELLS) || (bool) ($flags & self::IGNORE_EMPTY_CELLS)) === true) {
>             $this->setReadEmptyCells(false);
>         }
>     }
> 
>     protected function loadSpreadsheetFromFile(string $filename): Spreadsheet
>     {
>         throw new PhpSpreadsheetException('Reader classes must implement their own loadSpreadsheetFromFile() method');


    }

    /**

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



>      * Loads Spreadsheet from file.


     *

<      * @throws Exception



>      * @param int $flags the optional second parameter flags may be used to identify specific elements
>      *                       that should be loaded, but which won't be loaded by default, using these values:
>      *                            IReader::LOAD_WITH_CHARTS - Include any charts that are defined in the loaded file
>      */
>     public function load(string $filename, int $flags = 0): Spreadsheet
>     {
>         $this->processFlags($flags);
> 
>         try {
>             return $this->loadSpreadsheetFromFile($filename);
>         } catch (ReaderException $e) {
>             throw $e;
>         }
>     }
> 
>     /**
>      * Open file for reading.


     */

<     protected function openFile($pFilename)



>     protected function openFile(string $filename): void


    {

<         File::assertFile($pFilename);



>         $fileHandle = false;
>         if ($filename) {
>             File::assertFile($filename);



        // Open file

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



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


        }

> 
    }
>         $this->fileHandle = $fileHandle;


}