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

---
 .../Component/Form/FormTypeGuesserChain.php        | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 vendor/symfony/form/Symfony/Component/Form/FormTypeGuesserChain.php

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

diff --git a/vendor/symfony/form/Symfony/Component/Form/FormTypeGuesserChain.php b/vendor/symfony/form/Symfony/Component/Form/FormTypeGuesserChain.php
new file mode 100644
index 00000000..c7f8ece3
--- /dev/null
+++ b/vendor/symfony/form/Symfony/Component/Form/FormTypeGuesserChain.php
@@ -0,0 +1,104 @@
+<?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\Guess\Guess;
+use Symfony\Component\Form\Exception\UnexpectedTypeException;
+
+class FormTypeGuesserChain implements FormTypeGuesserInterface
+{
+    private $guessers = array();
+
+    /**
+     * Constructor.
+     *
+     * @param array $guessers Guessers as instances of FormTypeGuesserInterface
+     *
+     * @throws UnexpectedTypeException if any guesser does not implement FormTypeGuesserInterface
+     */
+    public function __construct(array $guessers)
+    {
+        foreach ($guessers as $guesser) {
+            if (!$guesser instanceof FormTypeGuesserInterface) {
+                throw new UnexpectedTypeException($guesser, 'Symfony\Component\Form\FormTypeGuesserInterface');
+            }
+
+            if ($guesser instanceof self) {
+                $this->guessers = array_merge($this->guessers, $guesser->guessers);
+            } else {
+                $this->guessers[] = $guesser;
+            }
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function guessType($class, $property)
+    {
+        return $this->guess(function ($guesser) use ($class, $property) {
+            return $guesser->guessType($class, $property);
+        });
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function guessRequired($class, $property)
+    {
+        return $this->guess(function ($guesser) use ($class, $property) {
+            return $guesser->guessRequired($class, $property);
+        });
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function guessMaxLength($class, $property)
+    {
+        return $this->guess(function ($guesser) use ($class, $property) {
+            return $guesser->guessMaxLength($class, $property);
+        });
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function guessPattern($class, $property)
+    {
+        return $this->guess(function ($guesser) use ($class, $property) {
+            return $guesser->guessPattern($class, $property);
+        });
+    }
+
+    /**
+     * Executes a closure for each guesser and returns the best guess from the
+     * return values
+     *
+     * @param \Closure $closure The closure to execute. Accepts a guesser
+     *                            as argument and should return a Guess instance
+     *
+     * @return Guess The guess with the highest confidence
+     */
+    private function guess(\Closure $closure)
+    {
+        $guesses = array();
+
+        foreach ($this->guessers as $guesser) {
+            if ($guess = $closure($guesser)) {
+                $guesses[] = $guess;
+            }
+        }
+
+        return Guess::getBestGuess($guesses);
+    }
+}
-- 
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