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<?php
/**
 * This file contains the basic structure for an abstract class defining a
 * transformation.
 * For instructions, read the documentation
 *
 * @package    PhpMyAdmin-Transformations
 * @subpackage [TransformationName]
 */

declare(strict_types=1);

namespace PhpMyAdmin\Plugins\Transformations\Abs;

use PhpMyAdmin\Plugins\IOTransformationsPlugin;
use stdClass;

/**
 * Provides common methods for all of the [TransformationName] transformations plugins.
 *
 * @package PhpMyAdmin
 */
abstract class [TransformationName]TransformationsPlugin
    extends IOTransformationsPlugin
{
    /**
     * Gets the transformation description of the specific plugin
     *
     * @return string
     */
    public static function getInfo()
    {
        return __(
            'Description of the transformation.'
        );
    }

    /**
     * Does the actual work of each specific transformations plugin.
     *
     * @param string             $buffer  text to be transformed
     * @param array              $options transformation options
     * @param FieldMetadata|null $meta    meta information
     *
     * @return string
     */
    public function applyTransformation($buffer, array $options = [], ?FieldMetadata $meta = null)
    {
        // possibly use a global transform and feed it with special options

        // further operations on $buffer using the $options[] array.

        // You can evaluate the propagated $meta Object. It's contained fields are described in https://www.php.net/mysql_fetch_field.
        // This stored information can be used to get the field information about the transformed field.
        // $meta->mimetype contains the original MimeType of the field (i.e. 'text/plain', 'image/jpeg' etc.)

        return $buffer;
    }

    /* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */


    /**
     * Gets the TransformationName of the specific plugin
     *
     * @return string
     */
    public static function getName()
    {
        return '[TransformationName]';
    }
}
?>