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| <?php | |
| namespace Drupal\api\DocParser; | |
| use PHPStan\PhpDocParser\Ast\Type\ArrayShapeItemNode; | |
| use PHPStan\PhpDocParser\Ast\Type\ObjectShapeItemNode; | |
| use PHPStan\PhpDocParser\Ast\Type\TypeNode; | |
| class TypeNodeTraverser { | |
| /** | |
| * @param \Drupal\api\DocParser\TypeNodeVisitorInterface[] $visitors | |
| */ | |
| public function __construct(protected array $visitors) { | |
| } | |
| /** | |
| * Starts traversing. | |
| * | |
| * @param \PHPStan\PhpDocParser\Ast\Type\TypeNode $node | |
| * The type. | |
| * | |
| * @return \PHPStan\PhpDocParser\Ast\Type\TypeNode | |
| * The possibly changed type. | |
| */ | |
| public function traverse(TypeNode $node): TypeNode { | |
| foreach ($this->visitors as $visitor) { | |
| $node = $this->traverseTypeNode($node, $visitor); | |
| } | |
| return $node; | |
| } | |
| /** | |
| * Actually traverse a type node. | |
| * | |
| * @param \PHPStan\PhpDocParser\Ast\Type\TypeNode $typeNode | |
| * The node to traverse. | |
| * @param \Drupal\api\DocParser\TypeNodeVisitorInterface $visitor | |
| * The visitor doing the traversal. | |
| * | |
| * @return \PHPStan\PhpDocParser\Ast\Type\TypeNode | |
| * The potentially changed type node. | |
| */ | |
| protected function traverseTypeNode(TypeNode $typeNode, TypeNodeVisitorInterface $visitor): TypeNode { | |
| if ($newTypeNode = $visitor->enterNode($typeNode)) { | |
| $typeNode = $newTypeNode; | |
| } | |
| foreach (get_object_vars($typeNode) as $key => $value) { | |
| if ($value instanceof TypeNode) { | |
| $typeNode->$key = $this->traverseTypeNode($value, $visitor); | |
| } | |
| elseif (is_array($value)) { | |
| $first = reset($value); | |
| // If one element is a type then every element is. | |
| if ($first instanceof TypeNode) { | |
| $typeNode->$key = array_map(fn (TypeNode $type) => $this->traverseTypeNode($type, $visitor), $value); | |
| } | |
| // Same for shape items. | |
| elseif ($first instanceof ArrayShapeItemNode || $first instanceof ObjectShapeItemNode) { | |
| foreach ($value as $item) { | |
| $item->valueType = $this->traverseTypeNode($item->valueType, $visitor); | |
| } | |
| } | |
| } | |
| } | |
| return $typeNode; | |
| } | |
| } |
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