From c426d8bc091869e7575ff1c5822010af8d368c08 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Sat, 5 Apr 2014 21:01:17 +0200
Subject: [PATCH] [VarDumper] casters for Doctrine objects

---
 .../VarDumper/Caster/DoctrineCaster.php       | 73 +++++++++++++++++++
 .../VarDumper/Cloner/AbstractCloner.php       |  5 ++
 2 files changed, 78 insertions(+)
 create mode 100644 src/Symfony/Component/VarDumper/Caster/DoctrineCaster.php

diff --git a/src/Symfony/Component/VarDumper/Caster/DoctrineCaster.php b/src/Symfony/Component/VarDumper/Caster/DoctrineCaster.php
new file mode 100644
index 0000000000..49e1b7bbed
--- /dev/null
+++ b/src/Symfony/Component/VarDumper/Caster/DoctrineCaster.php
@@ -0,0 +1,73 @@
+<?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\VarDumper\Caster;
+
+use Doctrine\Common\Persistence\ObjectManager;
+use Doctrine\Common\Proxy\Proxy as CommonProxy;
+use Doctrine\ORM\Proxy\Proxy as OrmProxy;
+use Doctrine\ORM\PersistentCollection;
+
+/**
+ * Casts Doctrine related classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class DoctrineCaster
+{
+    public static function castCommonProxy(CommonProxy $proxy, array $a, $isNested, &$cut)
+    {
+        unset(
+            $a['__cloner__'],
+            $a['__initializer__']
+        );
+        $cut += 2;
+
+        return $a;
+    }
+
+    public static function castOrmProxy(OrmProxy $proxy, array $a, $isNested, &$cut)
+    {
+        $prefix = "\0Doctrine\\ORM\\Proxy\\Proxy\0";
+        unset(
+            $a[$prefix.'_entityPersister'],
+            $a[$prefix.'_identifier']
+        );
+        $cut += 2;
+
+        return $a;
+    }
+
+    public static function castObjectManager(ObjectManager $manager, array $a, $isNested, &$cut)
+    {
+        if ($isNested) {
+            $cut += count($a);
+
+            return array();
+        }
+
+        return $a;
+    }
+
+    public static function castPersistentCollection(PersistentCollection $coll, array $a, $isNested, &$cut)
+    {
+        $prefix = "\0Doctrine\\ORM\\PersistentCollection\0";
+        unset(
+            $a[$prefix.'snapshot'],
+            $a[$prefix.'association'],
+            $a[$prefix.'em'],
+            $a[$prefix.'typeClass']
+        );
+        $cut += 4;
+
+        return $a;
+    }
+}
diff --git a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
index 01cfd7f763..f61cde388b 100644
--- a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
+++ b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
@@ -24,6 +24,11 @@ abstract class AbstractCloner implements ClonerInterface
         'o:Closure'        => 'Symfony\Component\VarDumper\Caster\ReflectionCaster::castClosure',
         'o:Reflector'      => 'Symfony\Component\VarDumper\Caster\ReflectionCaster::castReflector',
 
+        'o:Doctrine\Common\Persistence\ObjectManager' => 'Symfony\Component\VarDumper\Caster\DoctrineCaster::castObjectManager',
+        'o:Doctrine\Common\Proxy\Proxy'               => 'Symfony\Component\VarDumper\Caster\DoctrineCaster::castCommonProxy',
+        'o:Doctrine\ORM\Proxy\Proxy'                  => 'Symfony\Component\VarDumper\Caster\DoctrineCaster::castOrmProxy',
+        'o:Doctrine\ORM\PersistentCollection'         => 'Symfony\Component\VarDumper\Caster\DoctrineCaster::castPersistentCollection',
+
         'o:ErrorException' => 'Symfony\Component\VarDumper\Caster\ExceptionCaster::castErrorException',
         'o:Exception'      => 'Symfony\Component\VarDumper\Caster\ExceptionCaster::castException',
         'o:Symfony\Component\VarDumper\Exception\ThrowingCasterException'