Only add the YamlDriver to the chain when symfony/yaml is installed

schmittjoh · Jun 28, 2023 · d0faf99 · d0faf99
1 parent ee9acb1
commit d0faf99
Showing 1 changed file with 10 additions and 5 deletions.
diff --git a/src/Builder/DefaultDriverFactory.php b/src/Builder/DefaultDriverFactory.php
@@ -19,6 +19,7 @@
 use Metadata\Driver\DriverChain;
 use Metadata\Driver\DriverInterface;
 use Metadata\Driver\FileLocator;
+use Symfony\Component\Yaml\Yaml;
 
 final class DefaultDriverFactory implements DriverFactoryInterface
 {
@@ -62,11 +63,15 @@ public function createDriver(array $metadataDirs, Reader $annotationReader): Dri
 
  if (!empty($metadataDirs)) {
  $fileLocator = new FileLocator($metadataDirs);
- $driver = new DriverChain([
- new YamlDriver($fileLocator, $this->propertyNamingStrategy, $this->typeParser, $this->expressionEvaluator),
- new XmlDriver($fileLocator, $this->propertyNamingStrategy, $this->typeParser, $this->expressionEvaluator),
- $driver,
- ]);
+ $innerDriver = $driver;
+ $driver = new DriverChain();
+
+ if (class_exists(Yaml::class)) {
+ $driver->addDriver(new YamlDriver($fileLocator, $this->propertyNamingStrategy, $this->typeParser, $this->expressionEvaluator));
+ }
+
+ $driver->addDriver(new XmlDriver($fileLocator, $this->propertyNamingStrategy, $this->typeParser, $this->expressionEvaluator));
+ $driver->addDriver($innerDriver);
  }
 
  $driver->addDriver(new NullDriver($this->propertyNamingStrategy));