/**
* {@inheritDoc}
*/
public function process(ContainerBuilder $builder)
{
$ids = $builder->findTaggedServiceIds('console.helper');
$helperSet = $builder->getDefinition('console.helper_set');
foreach ($ids as $id => $tags) {
$helper = $builder->getDefinition($id);
if ($helper->isAbstract()) {
throw Exception::helperIsAbstract($id);
}
if (!$helper->isPublic()) {
throw Exception::helperIsNotPublic($id);
}
$reflect = new ReflectionClass($helper->getClass());
if (!$reflect->isSubclassOf('Symfony\\Component\\Console\\Helper\\Helper')) {
throw Exception::helperIsNotHelper($id);
}
foreach ($tags as $tag) {
$helperSet->addMethodCall('set', array(new Reference($id), isset($tag['alias']) ? $tag['alias'] : null));
}
}
}
