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<?php
/**
 * Part of the Joomla Framework Input Package
 *
 * @copyright  Copyright (C) 2005 - 2021 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\Input;

/**
 * Joomla! Input Files Class
 *
 * @since  1.0
 */
class Files extends Input
{
	/**
	 * The pivoted data from a $_FILES or compatible array.
	 *
	 * @var    array
	 * @since  1.0
	 */
	protected $decodedData = [];

/**
	 * The class constructor.
	 *
	 * @param   array  $source   The source argument is ignored. $_FILES is always used.
	 * @param   array  $options  Array of configuration parameters (Optional)
	 *
	 * @since   1.0
	 */
	public function __construct($source = null, array $options = [])
	{
		if (empty($source))
		{
			$source = $_FILES;
		}

parent::__construct($source, $options);
	}

/**
	 * Gets a value from the input data.
	 *
	 * @param   string  $name     The name of the input property (usually the name of the files INPUT tag) to get.
	 * @param   mixed   $default  The default value to return if the named property does not exist.
	 * @param   string  $filter   The filter to apply to the value.
	 *
	 * @return  mixed  The filtered input value.
	 *
	 * @see     \Joomla\Filter\InputFilter::clean()
	 * @since   1.0
	 */
	public function get($name, $default = null, $filter = 'cmd')
	{
		if (isset($this->data[$name]))
		{
			$results = $this->decodeData(
				[
					$this->data[$name]['name'],
					$this->data[$name]['type'],
					$this->data[$name]['tmp_name'],
					$this->data[$name]['error'],
					$this->data[$name]['size'],
				]
			);

return $results;
		}

return $default;
	}

/**
	 * Method to decode a data array.
	 *
	 * @param   array  $data  The data array to decode.
	 *
	 * @return  array
	 *
	 * @since   1.0
	 */
	protected function decodeData(array $data)
	{
		$result = [];

if (\is_array($data[0]))
		{
			foreach ($data[0] as $k => $v)
			{
				$result[$k] = $this->decodeData([$data[0][$k], $data[1][$k], $data[2][$k], $data[3][$k], $data[4][$k]]);
			}

return $result;
		}

return ['name' => $data[0], 'type' => $data[1], 'tmp_name' => $data[2], 'error' => $data[3], 'size' => $data[4]];
	}

/**
	 * Sets a value.
	 *
	 * @param   string  $name   The name of the input property to set.
	 * @param   mixed   $value  The value to assign to the input property.
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	public function set($name, $value)
	{
		// Restricts the usage of parent's set method.
	}
}