<?php

namespace PhpOffice\PhpSpreadsheet\Writer;

abstract class BaseWriter implements IWriter
{
    /**
     * Write charts that are defined in the workbook?
     * Identifies whether the Writer should write definitions for any charts that exist in the PhpSpreadsheet object;.
     *
     * @var bool
     */
    protected $includeCharts = false;

    /**
     * Pre-calculate formulas
     * Forces PhpSpreadsheet to recalculate all formulae in a workbook when saving, so that the pre-calculated values are
     * immediately available to MS Excel or other office spreadsheet viewer when opening the file.
     *
     * @var bool
     */
    protected $preCalculateFormulas = true;

    /**
     * Use disk caching where possible?
     *
     * @var bool
     */
    private $useDiskCaching = false;

    /**
     * Disk caching directory.
     *
     * @var string
     */
    private $diskCachingDirectory = './';


>     /**
    public function getIncludeCharts()
>      * @var resource
    {
>      */
        return $this->includeCharts;
>     protected $fileHandle;
    }
> 

>     /**
    public function setIncludeCharts($pValue)
>      * @var bool
    {
>      */
        $this->includeCharts = (bool) $pValue;
>     private $shouldCloseFile;

> 


        return $this;
    }

    public function getPreCalculateFormulas()
    {
        return $this->preCalculateFormulas;
    }

    public function setPreCalculateFormulas($pValue)
    {
        $this->preCalculateFormulas = (bool) $pValue;

        return $this;
    }

    public function getUseDiskCaching()
    {
        return $this->useDiskCaching;
    }

    public function setUseDiskCaching($pValue, $pDirectory = null)
    {
        $this->useDiskCaching = $pValue;

        if ($pDirectory !== null) {
            if (is_dir($pDirectory)) {
                $this->diskCachingDirectory = $pDirectory;
            } else {
                throw new Exception("Directory does not exist: $pDirectory");
            }
        }

        return $this;
    }

    public function getDiskCachingDirectory()
    {
        return $this->diskCachingDirectory;

>     }
    }
> 
}
>     /**
>      * Open file handle.
>      *
>      * @param resource|string $filename
>      */
>     public function openFileHandle($filename): void
>     {
>         if (is_resource($filename)) {
>             $this->fileHandle = $filename;
>             $this->shouldCloseFile = false;
> 
>             return;
>         }
> 
>         $fileHandle = $filename ? fopen($filename, 'wb+') : false;
>         if ($fileHandle === false) {
>             throw new Exception('Could not open file "' . $filename . '" for writing.');
>         }
> 
>         $this->fileHandle = $fileHandle;
>         $this->shouldCloseFile = true;
>     }
> 
>     /**
>      * Close file handle only if we opened it ourselves.
>      */
>     protected function maybeCloseFileHandle(): void
>     {
>         if ($this->shouldCloseFile) {
>             if (!fclose($this->fileHandle)) {
>                 throw new Exception('Could not close file after writing.');
>             }
>         }