From 4f5b44bd3bd490309eb2ba7b44df4769816ba729 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= <nicolas.loeuillet@gmail.com>
Date: Sat, 3 Aug 2013 19:26:54 +0200
Subject: twig implementation

---
 .../form/Symfony/Component/Form/FormRegistry.php   | 180 +++++++++++++++++++++
 1 file changed, 180 insertions(+)
 create mode 100644 vendor/symfony/form/Symfony/Component/Form/FormRegistry.php

(limited to 'vendor/symfony/form/Symfony/Component/Form/FormRegistry.php')

diff --git a/vendor/symfony/form/Symfony/Component/Form/FormRegistry.php b/vendor/symfony/form/Symfony/Component/Form/FormRegistry.php
new file mode 100644
index 00000000..0267a565
--- /dev/null
+++ b/vendor/symfony/form/Symfony/Component/Form/FormRegistry.php
@@ -0,0 +1,180 @@
+<?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\Form;
+
+use Symfony\Component\Form\Exception\ExceptionInterface;
+use Symfony\Component\Form\Exception\UnexpectedTypeException;
+use Symfony\Component\Form\Exception\InvalidArgumentException;
+
+/**
+ * The central registry of the Form component.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class FormRegistry implements FormRegistryInterface
+{
+    /**
+     * Extensions
+     *
+     * @var FormExtensionInterface[] An array of FormExtensionInterface
+     */
+    private $extensions = array();
+
+    /**
+     * @var array
+     */
+    private $types = array();
+
+    /**
+     * @var FormTypeGuesserInterface|false|null
+     */
+    private $guesser = false;
+
+    /**
+     * @var ResolvedFormTypeFactoryInterface
+     */
+    private $resolvedTypeFactory;
+
+    /**
+     * Constructor.
+     *
+     * @param FormExtensionInterface[]         $extensions          An array of FormExtensionInterface
+     * @param ResolvedFormTypeFactoryInterface $resolvedTypeFactory The factory for resolved form types.
+     *
+     * @throws UnexpectedTypeException if any extension does not implement FormExtensionInterface
+     */
+    public function __construct(array $extensions, ResolvedFormTypeFactoryInterface $resolvedTypeFactory)
+    {
+        foreach ($extensions as $extension) {
+            if (!$extension instanceof FormExtensionInterface) {
+                throw new UnexpectedTypeException($extension, 'Symfony\Component\Form\FormExtensionInterface');
+            }
+        }
+
+        $this->extensions = $extensions;
+        $this->resolvedTypeFactory = $resolvedTypeFactory;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getType($name)
+    {
+        if (!is_string($name)) {
+            throw new UnexpectedTypeException($name, 'string');
+        }
+
+        if (!isset($this->types[$name])) {
+            /** @var FormTypeInterface $type */
+            $type = null;
+
+            foreach ($this->extensions as $extension) {
+                /* @var FormExtensionInterface $extension */
+                if ($extension->hasType($name)) {
+                    $type = $extension->getType($name);
+                    break;
+                }
+            }
+
+            if (!$type) {
+                throw new InvalidArgumentException(sprintf('Could not load type "%s"', $name));
+            }
+
+            $this->resolveAndAddType($type);
+        }
+
+        return $this->types[$name];
+    }
+
+    /**
+     * Wraps a type into a ResolvedFormTypeInterface implementation and connects
+     * it with its parent type.
+     *
+     * @param FormTypeInterface $type The type to resolve.
+     *
+     * @return ResolvedFormTypeInterface The resolved type.
+     */
+    private function resolveAndAddType(FormTypeInterface $type)
+    {
+        $parentType = $type->getParent();
+
+        if ($parentType instanceof FormTypeInterface) {
+            $this->resolveAndAddType($parentType);
+            $parentType = $parentType->getName();
+        }
+
+        $typeExtensions = array();
+
+        foreach ($this->extensions as $extension) {
+            /* @var FormExtensionInterface $extension */
+            $typeExtensions = array_merge(
+                $typeExtensions,
+                $extension->getTypeExtensions($type->getName())
+            );
+        }
+
+        $this->types[$type->getName()] = $this->resolvedTypeFactory->createResolvedType(
+            $type,
+            $typeExtensions,
+            $parentType ? $this->getType($parentType) : null
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasType($name)
+    {
+        if (isset($this->types[$name])) {
+            return true;
+        }
+
+        try {
+            $this->getType($name);
+        } catch (ExceptionInterface $e) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTypeGuesser()
+    {
+        if (false === $this->guesser) {
+            $guessers = array();
+
+            foreach ($this->extensions as $extension) {
+                /* @var FormExtensionInterface $extension */
+                $guesser = $extension->getTypeGuesser();
+
+                if ($guesser) {
+                    $guessers[] = $guesser;
+                }
+            }
+
+            $this->guesser = !empty($guessers) ? new FormTypeGuesserChain($guessers) : null;
+        }
+
+        return $this->guesser;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getExtensions()
+    {
+        return $this->extensions;
+    }
+}
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