1 files changed, 125 insertions, 0 deletions
diff --git a/vendor/phpdocumentor/type-resolver/src/Types/AggregatedType.php b/vendor/phpdocumentor/type-resolver/src/Types/AggregatedType.php
new file mode 100644
index 000000000..472a1cdc6
--- /dev/null
+++ b/vendor/phpdocumentor/type-resolver/src/Types/AggregatedType.php
@@ -0,0 +1,125 @@
+<?php
+/**
+ * This file is part of phpDocumentor.
+ *
+ *  For the full copyright and license information, please view the LICENSE
+ *  file that was distributed with this source code.
+ *
+ * @link      http://phpdoc.org
+ */
+
+declare(strict_types=1);
+
+namespace phpDocumentor\Reflection\Types;
+
+use ArrayIterator;
+use IteratorAggregate;
+use phpDocumentor\Reflection\Type;
+
+use function array_key_exists;
+use function implode;
+
+/**
+ * Base class for aggregated types like Compound and Intersection
+ *
+ * A Aggregated Type is not so much a special keyword or object reference but is a series of Types that are separated
+ * using separator.
+ *
+ * @psalm-immutable
+ * @template-implements IteratorAggregate<int, Type>
+ */
+abstract class AggregatedType implements Type, IteratorAggregate
+{
+    /**
+     * @psalm-allow-private-mutation
+     * @var array<int, Type>
+     */
+    private $types = [];
+
+    /** @var string */
+    private $token;
+
+    /**
+     * @param array<Type> $types
+     */
+    public function __construct(array $types, string $token)
+    {
+        foreach ($types as $type) {
+            $this->add($type);
+        }
+
+        $this->token = $token;
+    }
+
+    /**
+     * Returns the type at the given index.
+     */
+    public function get(int $index): ?Type
+    {
+        if (!$this->has($index)) {
+            return null;
+        }
+
+        return $this->types[$index];
+    }
+
+    /**
+     * Tests if this compound type has a type with the given index.
+     */
+    public function has(int $index): bool
+    {
+        return array_key_exists($index, $this->types);
+    }
+
+    /**
+     * Tests if this compound type contains the given type.
+     */
+    public function contains(Type $type): bool
+    {
+        foreach ($this->types as $typePart) {
+            // if the type is duplicate; do not add it
+            if ((string) $typePart === (string) $type) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Returns a rendered output of the Type as it would be used in a DocBlock.
+     */
+    public function __toString(): string
+    {
+        return implode($this->token, $this->types);
+    }
+
+    /**
+     * @return ArrayIterator<int, Type>
+     */
+    public function getIterator(): ArrayIterator
+    {
+        return new ArrayIterator($this->types);
+    }
+
+    /**
+     * @psalm-suppress ImpureMethodCall
+     */
+    private function add(Type $type): void
+    {
+        if ($type instanceof self) {
+            foreach ($type->getIterator() as $subType) {
+                $this->add($subType);
+            }
+
+            return;
+        }
+
+        // if the type is duplicate; do not add it
+        if ($this->contains($type)) {
+            return;
+        }
+
+        $this->types[] = $type;
+    }
+}