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Filename : HexTransformationsPlugin.php
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Abstract class for the hex transformations plugins
 *
 * @package    PhpMyAdmin-Transformations
 * @subpackage Hex
 */
namespace PhpMyAdmin\Plugins\Transformations\Abs;

use PhpMyAdmin\Plugins\TransformationsPlugin;

/**
 * Provides common methods for all of the hex transformations plugins.
 *
 * @package PhpMyAdmin
 */
abstract class HexTransformationsPlugin extends TransformationsPlugin
{
    /**
     * Gets the transformation description of the specific plugin
     *
     * @return string
     */
    public static function getInfo()
    {
        return __(
            'Displays hexadecimal representation of data. Optional first'
            . ' parameter specifies how often space will be added (defaults'
            . ' to 2 nibbles).'
        );
    }

    /**
     * Does the actual work of each specific transformations plugin.
     *
     * @param string $buffer  text to be transformed
     * @param array  $options transformation options
     * @param string $meta    meta information
     *
     * @return string
     */
    public function applyTransformation($buffer, array $options = array(), $meta = '')
    {
        // possibly use a global transform and feed it with special options
        $cfg = $GLOBALS['cfg'];
        $options = $this->getOptions($options, $cfg['DefaultTransformations']['Hex']);
        $options[0] = intval($options[0]);

        if ($options[0] < 1) {
            return bin2hex($buffer);
        } else {
            return chunk_split(bin2hex($buffer), $options[0], ' ');
        }
    }

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

    /**
     * Gets the transformation name of the specific plugin
     *
     * @return string
     */
    public static function getName()
    {
        return "Hex";
    }
}