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<?php |
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namespace Helix\Site; |
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use ArrayAccess; |
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use Helix\Site; |
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/** |
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* A controller. |
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*/ |
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class Controller implements ArrayAccess |
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{ |
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/** |
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* Extra arguments from the router. |
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* |
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* @var array |
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*/ |
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protected array $extra; |
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/** |
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* The path's regex match from routing. |
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* |
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* `ArrayAccess` forwards to this. |
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* |
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* @var array |
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*/ |
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protected $path; |
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/** |
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* @var Site |
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*/ |
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protected $site; |
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/** |
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* @param Site $site |
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* @param string[] $path |
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* @param array $extra |
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*/ |
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public function __construct(Site $site, array $path, array $extra = []) |
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{ |
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$this->site = $site; |
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$this->path = $path; |
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$this->extra = $extra; |
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} |
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/** |
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* Throws `HTTP 501 Not Implemented` as a catch-all for any unimplemented non-standard request methods. |
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* |
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* @param string $method |
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* @param array $args |
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*/ |
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final public function __call(string $method, array $args) |
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{ |
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throw new HttpError(501); |
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} |
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/** |
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* Handles `DELETE` |
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* |
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* This stub throws `HTTP 501 Not Implemented` |
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* |
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* @return void|string|View |
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*/ |
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public function delete() |
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{ |
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throw new HttpError(501); |
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} |
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/** |
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* Handles `GET` |
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* |
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* This stub throws `HTTP 501 Not Implemented` |
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* |
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* @return void|string|View |
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*/ |
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public function get() |
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{ |
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throw new HttpError(501); |
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} |
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/** |
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* Handles `HEAD` |
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* |
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* This stub returns from {@link Controller::get()} |
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*/ |
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public function head() |
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{ |
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return $this->get(); |
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} |
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/** |
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* @param mixed $offset |
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* @return bool |
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*/ |
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public function offsetExists($offset): bool |
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{ |
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return isset($this->path[$offset]); |
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} |
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/** |
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* @param mixed $offset |
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* @return null|mixed Coalesces to `null` |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->path[$offset] ?? null; |
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} |
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/** |
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* @param mixed $offset |
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* @param mixed $value |
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*/ |
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public function offsetSet($offset, $value): void |
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{ |
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$this->path[$offset] = $value; |
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} |
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/** |
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* @param mixed $offset |
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*/ |
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public function offsetUnset($offset): void |
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{ |
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unset($this->path[$offset]); |
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} |
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/** |
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* Handles `POST` |
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* |
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* This stub throws `HTTP 501 Not Implemented` |
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* |
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* @return void|string|View |
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*/ |
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public function post() |
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{ |
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throw new HttpError(501); |
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} |
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/** |
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* Handles `PUT` |
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* |
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* This stub throws `HTTP 501 Not Implemented` |
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* |
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* @return void|string|View |
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*/ |
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public function put() |
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{ |
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throw new HttpError(501); |
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} |
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/** |
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* Forwards to {@link Response::redirect_exit()} |
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* |
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* @param string $path |
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* @param int $code |
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*/ |
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protected function redirect_exit(string $path, int $code = 302) |
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{ |
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$this->site->getResponse()->redirect_exit($path, $code); |
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} |
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} |
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