first commit

vendor/symfony/http-kernel/DataCollector/DataCollector.php

@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\VarDumper\Caster\CutStub;
+use Symfony\Component\VarDumper\Caster\ReflectionCaster;
+use Symfony\Component\VarDumper\Cloner\ClonerInterface;
+use Symfony\Component\VarDumper\Cloner\Data;
+use Symfony\Component\VarDumper\Cloner\Stub;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+
+/**
+ * DataCollector.
+ *
+ * Children of this class must store the collected data in the data property.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Bernhard Schussek <bschussek@symfony.com>
+ */
+abstract class DataCollector implements DataCollectorInterface
+{
+    /**
+     * @var array|Data
+     */
+    protected $data = [];
+
+    private ClonerInterface $cloner;
+
+    /**
+     * Converts the variable into a serializable Data instance.
+     *
+     * This array can be displayed in the template using
+     * the VarDumper component.
+     */
+    protected function cloneVar(mixed $var): Data
+    {
+        if ($var instanceof Data) {
+            return $var;
+        }
+        if (!isset($this->cloner)) {
+            $this->cloner = new VarCloner();
+            $this->cloner->setMaxItems(-1);
+            $this->cloner->addCasters($this->getCasters());
+        }
+
+        return $this->cloner->cloneVar($var);
+    }
+
+    /**
+     * @return callable[] The casters to add to the cloner
+     */
+    protected function getCasters()
+    {
+        $casters = [
+            '*' => function ($v, array $a, Stub $s, $isNested) {
+                if (!$v instanceof Stub) {
+                    foreach ($a as $k => $v) {
+                        if (\is_object($v) && !$v instanceof \DateTimeInterface && !$v instanceof Stub) {
+                            $a[$k] = new CutStub($v);
+                        }
+                    }
+                }
+
+                return $a;
+            },
+        ] + ReflectionCaster::UNSET_CLOSURE_FILE_INFO;
+
+        return $casters;
+    }
+
+    public function __sleep(): array
+    {
+        return ['data'];
+    }
+
+    /**
+     * @return void
+     */
+    public function __wakeup()
+    {
+    }
+
+    /**
+     * @internal to prevent implementing \Serializable
+     */
+    final protected function serialize(): void
+    {
+    }
+
+    /**
+     * @internal to prevent implementing \Serializable
+     */
+    final protected function unserialize(string $data): void
+    {
+    }
+
+    /**
+     * @return void
+     */
+    public function reset()
+    {
+        $this->data = [];
+    }
+}