/**
* Expands %placeholders%.
* @param mixed
* @param array
* @param bool
* @return mixed
* @throws InvalidArgumentException
*/
public static function expand($var, array $params, $recursive = FALSE)
{
if (is_array($var)) {
$res = array();
foreach ($var as $key => $val) {
$res[$key] = self::expand($val, $params, $recursive);
}
return $res;
} elseif ($var instanceof NDIStatement) {
return new NDIStatement(self::expand($var->entity, $params, $recursive), self::expand($var->arguments, $params, $recursive));
} elseif (!is_string($var)) {
return $var;
}
$parts = preg_split('#%([\w.-]*)%#i', $var, -1, PREG_SPLIT_DELIM_CAPTURE);
$res = '';
foreach ($parts as $n => $part) {
if ($n % 2 === 0) {
$res .= $part;
} elseif ($part === '') {
$res .= '%';
} elseif (isset($recursive[$part])) {
throw new InvalidArgumentException('Circular reference detected for variables: ' . implode(', ', array_keys($recursive)) . '.');
} else {
$val = NArrays::get($params, explode('.', $part));
if ($recursive) {
$val = self::expand($val, $params, (is_array($recursive) ? $recursive : array()) + array($part => 1));
}
if (strlen($part) + 2 === strlen($var)) {
return $val;
}
if (!is_scalar($val)) {
throw new InvalidArgumentException("Unable to concatenate non-scalar parameter '$part' into '$var'.");
}
$res .= $val;
}
}
return $res;
}
/**
* Internal: returns submitted HTTP data or NULL when form was not submitted.
* @return array|NULL
*/
protected function receiveHttpData()
{
$presenter = $this->getPresenter();
if (!$presenter->isSignalReceiver($this, 'submit')) {
return;
}
$isPost = $this->getMethod() === self::POST;
$request = $presenter->getRequest();
if ($request->isMethod('forward') || $request->isMethod('post') !== $isPost) {
return;
}
if ($isPost) {
return NArrays::mergeTree($request->getPost(), $request->getFiles());
} else {
return $request->getParameters();
}
}
/**
* Loads HTTP data.
* @return void
*/
public function loadHttpData()
{
$path = $this->getHtmlName(); // img_x or img['x']
$path = explode('[', strtr(str_replace(']', '', strpos($path, '[') === FALSE ? $path . '.x' : substr($path, 0, -2)), '.', '_'));
$this->setValue(NArrays::get($this->getForm()->getHttpData(), $path, NULL) !== NULL);
}
/**
* Loads HTTP data.
* @return void
*/
public function loadHttpData()
{
$path = explode('[', strtr(str_replace(array('[]', ']'), '', $this->getHtmlName()), '.', '_'));
$this->setValue(NArrays::get($this->getForm()->getHttpData(), $path, NULL));
}
/**
* Returns uploaded file.
* @param string key (or more keys)
* @return NHttpUploadedFile
*/
final public function getFile($key)
{
$_args=func_get_args(); return NArrays::get($this->files, $_args, NULL);
}
/**
* Internal: returns submitted HTTP data or NULL when form was not submitted.
* @return array|NULL
*/
protected function receiveHttpData()
{
$httpRequest = $this->getHttpRequest();
if (strcasecmp($this->getMethod(), $httpRequest->getMethod())) {
return;
}
if ($httpRequest->isMethod('post')) {
$data = NArrays::mergeTree($httpRequest->getPost(), $httpRequest->getFiles());
} else {
$data = $httpRequest->getQuery();
if (!$data) {
return;
}
}
if ($tracker = $this->getComponent(self::TRACKER_ID, FALSE)) {
if (!isset($data[self::TRACKER_ID]) || $data[self::TRACKER_ID] !== $tracker->getValue()) {
return;
}
}
return $data;
}