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<?php
declare(strict_types=1);
namespace Laminas\Di;
use ArrayAccess;
use Laminas\Stdlib\ArrayUtils;
use Laminas\Stdlib\Parameters;
use Traversable;
use function array_pop;
use function class_exists;
use function interface_exists;
use function is_array;
use function is_iterable;
use function strpos;
use function trigger_error;
use const E_USER_DEPRECATED;
/**
* Provides a migration config from laminas-di 2.x configuration arrays
*/
class LegacyConfig extends Config
{
/**
* @param array|ArrayAccess $config
*/
public function __construct($config)
{
parent::__construct([]);
if ($config instanceof Traversable) {
$config = ArrayUtils::iteratorToArray($config);
}
if (! is_array($config)) {
throw new Exception\InvalidArgumentException('Config data must be an array or implement Traversable');
}
if (isset($config['instance'])) {
$this->configureInstance($config['instance']);
}
}
/**
* @param mixed $parameters
* @return mixed[]
*/
private function prepareParametersArray($parameters, string $class)
{
$prepared = [];
foreach ($parameters as $key => $value) {
if (strpos($key, ':') !== false) {
trigger_error('Full qualified parameter positions are no longer supported', E_USER_DEPRECATED);
}
$prepared[$key] = $value;
}
return $prepared;
}
/**
* @param iterable $config
*/
private function configureInstance($config)
{
foreach ($config as $target => $data) {
switch ($target) {
case 'aliases':
case 'alias':
foreach ($data as $name => $class) {
if (class_exists($class) || interface_exists($class)) {
$this->setAlias($name, $class);
}
}
break;
case 'preferences':
case 'preference':
foreach ($data as $type => $pref) {
$preference = is_array($pref) ? array_pop($pref) : $pref;
$this->setTypePreference($type, $preference);
}
break;
default:
$config = new Parameters($data);
$parameters = $config->get('parameters', $config->get('parameter'));
if (is_iterable($parameters)) {
$parameters = $this->prepareParametersArray($parameters, $target);
$this->setParameters($target, $parameters);
}
break;
}
}
}
/**
* Export the configuraton to an array
*/
public function toArray(): array
{
return [
'preferences' => $this->preferences,
'types' => $this->types,
];
}
}