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/Guess/Guess.php    | 113 +++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 vendor/symfony/form/Symfony/Component/Form/Guess/Guess.php

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

diff --git a/vendor/symfony/form/Symfony/Component/Form/Guess/Guess.php b/vendor/symfony/form/Symfony/Component/Form/Guess/Guess.php
new file mode 100644
index 00000000..b33c3d80
--- /dev/null
+++ b/vendor/symfony/form/Symfony/Component/Form/Guess/Guess.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\Form\Guess;
+
+use Symfony\Component\Form\Exception\InvalidArgumentException;
+
+/**
+ * Base class for guesses made by TypeGuesserInterface implementation
+ *
+ * Each instance contains a confidence value about the correctness of the guess.
+ * Thus an instance with confidence HIGH_CONFIDENCE is more likely to be
+ * correct than an instance with confidence LOW_CONFIDENCE.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+abstract class Guess
+{
+    /**
+     * Marks an instance with a value that is extremely likely to be correct
+     * @var integer
+     */
+    const VERY_HIGH_CONFIDENCE = 3;
+
+    /**
+     * Marks an instance with a value that is very likely to be correct
+     * @var integer
+     */
+    const HIGH_CONFIDENCE = 2;
+
+    /**
+     * Marks an instance with a value that is likely to be correct
+     * @var integer
+     */
+    const MEDIUM_CONFIDENCE = 1;
+
+    /**
+     * Marks an instance with a value that may be correct
+     * @var integer
+     */
+    const LOW_CONFIDENCE = 0;
+
+    /**
+     * The confidence about the correctness of the value
+     *
+     * One of VERY_HIGH_CONFIDENCE, HIGH_CONFIDENCE, MEDIUM_CONFIDENCE
+     * and LOW_CONFIDENCE.
+     *
+     * @var integer
+     */
+    private $confidence;
+
+    /**
+     * Returns the guess most likely to be correct from a list of guesses
+     *
+     * If there are multiple guesses with the same, highest confidence, the
+     * returned guess is any of them.
+     *
+     * @param array $guesses A list of guesses
+     *
+     * @return Guess The guess with the highest confidence
+     */
+    public static function getBestGuess(array $guesses)
+    {
+        $result = null;
+        $maxConfidence = -1;
+
+        foreach ($guesses as $guess) {
+            if ($maxConfidence < $confidence = $guess->getConfidence()) {
+                $maxConfidence = $confidence;
+                $result = $guess;
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * Constructor
+     *
+     * @param integer $confidence The confidence
+     *
+     * @throws InvalidArgumentException if the given value of confidence is unknown
+     */
+    public function __construct($confidence)
+    {
+        if (self::VERY_HIGH_CONFIDENCE !== $confidence && self::HIGH_CONFIDENCE !== $confidence &&
+            self::MEDIUM_CONFIDENCE !== $confidence && self::LOW_CONFIDENCE !== $confidence) {
+            throw new InvalidArgumentException('The confidence should be one of the constants defined in Guess.');
+        }
+
+        $this->confidence = $confidence;
+    }
+
+    /**
+     * Returns the confidence that the guessed value is correct
+     *
+     * @return integer One of the constants VERY_HIGH_CONFIDENCE,
+     *                 HIGH_CONFIDENCE, MEDIUM_CONFIDENCE and LOW_CONFIDENCE
+     */
+    public function getConfidence()
+    {
+        return $this->confidence;
+    }
+}
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