/**
* Converts list of arguments to named parameters.
* @param string class name
* @param string method name
* @param array arguments
* @param array supplemental arguments
* @return void
* @throws NInvalidLinkException
*/
private static function argsToParams($class, $method, & $args, $supplemental = array())
{
$i = 0;
$rm = new ReflectionMethod($class, $method);
foreach ($rm->getParameters() as $param) {
$name = $param->getName();
if (array_key_exists($i, $args)) {
$args[$name] = $args[$i];
unset($args[$i]);
$i++;
} elseif (array_key_exists($name, $args)) {
// continue with process
} elseif (array_key_exists($name, $supplemental)) {
$args[$name] = $supplemental[$name];
} else {
continue;
}
if ($args[$name] === NULL) {
continue;
}
$def = $param->isDefaultValueAvailable() && $param->isOptional() ? $param->getDefaultValue() : NULL; // see PHP bug #62988
$type = $param->isArray() ? 'array' : gettype($def);
if (!NPresenterComponentReflection::convertType($args[$name], $type)) {
throw new NInvalidLinkException("Invalid value for parameter '$name' in method $class::$method(), expected " . ($type === 'NULL' ? 'scalar' : $type) . ".");
}
if ($args[$name] === $def || ($def === NULL && is_scalar($args[$name]) && (string) $args[$name] === '')) {
$args[$name] = NULL; // value transmit is unnecessary
}
}
if (array_key_exists($i, $args)) {
$method = $rm->getName();
throw new NInvalidLinkException("Passed more parameters than method $class::$method() expects.");
}
}
/**
* Saves state informations for next request.
* @param array
* @param NPresenterComponentReflection (internal, used by Presenter)
* @return void
*/
public function saveState(array & $params, $reflection = NULL)
{
$reflection = $reflection === NULL ? $this->getReflection() : $reflection;
foreach ($reflection->getPersistentParams() as $name => $meta) {
if (isset($params[$name])) {
// injected value
} elseif (array_key_exists($name, $params)) { // NULLs are skipped
continue;
} elseif (!isset($meta['since']) || $this instanceof $meta['since']) {
$params[$name] = $this->$name; // object property value
} else {
continue; // ignored parameter
}
$type = gettype($meta['def'] === NULL ? $params[$name] : $meta['def']); // compatible with 2.0.x
if (!NPresenterComponentReflection::convertType($params[$name], $type)) {
throw new NInvalidLinkException("Invalid value for persistent parameter '$name' in '{$this->getName()}', expected " . ($type === 'NULL' ? 'scalar' : $type) . ".");
}
if ($params[$name] === $meta['def'] || ($meta['def'] === NULL && is_scalar($params[$name]) && (string) $params[$name] === '')) {
$params[$name] = NULL; // value transmit is unnecessary
}
}
}
