YAML deserialization

app/Serialize/Yaml.php

@@ -2,19 +2,24 @@
 
 declare(strict_types=1);
 
-namespace App\Yaml;
+namespace App\Serialize;
 
 use Symfony\Component\Yaml\Yaml as SymfonyYaml;
-use App\Serialize\ISerialize;
-use App\Serialize\IUnserialize;
+use Symfony\Component\Yaml\Tag\TaggedValue;
 use App\Dom\Document;
+use App\Dom\Node;
+use App\Dom\NodeValue;
+use App\Dom\NodeFunction;
+use App\Dom\NodeFunctionValue;
 
 class Yaml implements ISerialize, IUnserialize
 {
 	public function unserialize(string $document): Document
 	{
 		$data = SymfonyYaml::parse($document, SymfonyYaml::PARSE_CUSTOM_TAGS);
-		// TODO: Convert data to dom document
+		$document = new Document();
+		$this->arrayToDom($document, $data);
+		return $document;
 	}
 
 	public function serialize(Document $document): string
@@ -24,4 +29,41 @@ class Yaml implements ISerialize, IUnserialize
 		// 	new TaggedValue('my_tag', ['data'=>'here'])
 		return SymfonyYaml::dump($data);
 	}
+
+	protected function arrayToDom(Node $parent, array $data)
+	{
+		foreach ($data as $k => $v)
+		{
+			if ($v instanceof TaggedValue)
+			{
+				$node = new Node($parent, is_string($k) ? $k : null);
+				$fun_node = null;
+				$fun_name = $v->getTag();
+				$fun_value = $v->getValue();
+				if (is_array($fun_value))
+				{
+					$fun_node = new NodeFunction($node, $fun_name);
+					$this->arrayToDom($fun_node, $fun_value);
+				}
+				elseif (is_scalar($fun_value))
+				{
+					$fun_node = new NodeFunctionValue($node, $fun_name, $fun_value);
+				}
+				$node->addChild($fun_node);
+			}
+			else
+			{
+				if (is_array($v))
+				{
+					$node = new Node($parent, is_string($k) ? $k : null);
+					$this->arrayToDom($node, $v);
+				}
+				elseif (is_scalar($v))
+				{
+					$node = new NodeValue($parent, is_string($k) ? $k : null, $v);
+				}
+			}
+			$parent->addChild($node);
+		}
+	}
 }