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<?php
/**
* A redirect action - what happens after a URL is matched.
*/
abstract class Red_Action {
/**
* The action code (i.e. HTTP code)
*
* @var integer
*/
protected $code = 0;
/**
* The action type
*
* @var string
*/
protected $type = '';
/**
* Target URL, if any
*
* @var String|null
*/
protected $target = null;
/**
* Constructor
*
* @param array $values Values.
*/
public function __construct( $values = [] ) {
if ( is_array( $values ) ) {
foreach ( $values as $key => $value ) {
$this->$key = $value;
}
}
}
abstract public function name();
/**
* Create an action object
*
* @param string $name Action type.
* @param integer $code Action code.
* @return Red_Action|null
*/
public static function create( $name, $code ) {
$avail = self::available();
if ( isset( $avail[ $name ] ) ) {
if ( ! class_exists( strtolower( $avail[ $name ][1] ) ) ) {
include_once dirname( __FILE__ ) . '/../actions/' . $avail[ $name ][0];
}
/**
* @var Red_Action
*/
$obj = new $avail[ $name ][1]( [ 'code' => $code ] );
$obj->type = $name;
return $obj;
}
return null;
}
/**
* Get list of available actions
*
* @return array
*/
public static function available() {
return [
'url' => [ 'url.php', 'Url_Action' ],
'error' => [ 'error.php', 'Error_Action' ],
'nothing' => [ 'nothing.php', 'Nothing_Action' ],
'random' => [ 'random.php', 'Random_Action' ],
'pass' => [ 'pass.php', 'Pass_Action' ],
];
}
/**
* Get the action code
*
* @return integer
*/
public function get_code() {
return $this->code;
}
/**
* Get action type
*
* @return string
*/
public function get_type() {
return $this->type;
}
/**
* Set the target for this action
*
* @param string $target_url The original URL from the client.
* @return void
*/
public function set_target( $target_url ) {
$this->target = $target_url;
}
/**
* Get the target for this action
*
* @return string|null
*/
public function get_target() {
return $this->target;
}
/**
* Does this action need a target?
*
* @return boolean
*/
public function needs_target() {
return false;
}
/**
* Run this action. May not return from this function.
*
* @return void
*/
abstract public function run();
}