twig implementation

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/ArrayAccessibleResourceBundle.php

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+<?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\Intl\ResourceBundle\Util;
+
+use Symfony\Component\Intl\Exception\BadMethodCallException;
+
+/**
+ * Work-around for a bug in PHP's \ResourceBundle implementation.
+ *
+ * More information can be found on https://bugs.php.net/bug.php?id=64356.
+ * This class can be removed once that bug is fixed.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class ArrayAccessibleResourceBundle implements \ArrayAccess, \IteratorAggregate, \Countable
+{
+    private $bundleImpl;
+
+    public function __construct(\ResourceBundle $bundleImpl)
+    {
+        $this->bundleImpl = $bundleImpl;
+    }
+
+    public function get($offset, $fallback = null)
+    {
+        $value = $this->bundleImpl->get($offset, $fallback);
+
+        return $value instanceof \ResourceBundle ? new static($value) : $value;
+    }
+
+    public function offsetExists($offset)
+    {
+        return null !== $this->bundleImpl[$offset];
+    }
+
+    public function offsetGet($offset)
+    {
+        return $this->get($offset);
+    }
+
+    public function offsetSet($offset, $value)
+    {
+        throw new BadMethodCallException('Resource bundles cannot be modified.');
+    }
+
+    public function offsetUnset($offset)
+    {
+        throw new BadMethodCallException('Resource bundles cannot be modified.');
+    }
+
+    public function getIterator()
+    {
+        return $this->bundleImpl;
+    }
+
+    public function count()
+    {
+        return $this->bundleImpl->count();
+    }
+
+    public function getErrorCode()
+    {
+        return $this->bundleImpl->getErrorCode();
+    }
+
+    public function getErrorMessage()
+    {
+        return $this->bundleImpl->getErrorMessage();
+    }
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/RecursiveArrayAccess.php

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+<?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\Intl\ResourceBundle\Util;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class RecursiveArrayAccess
+{
+    public static function get($array, array $indices)
+    {
+        foreach ($indices as $index) {
+            if (!$array instanceof \ArrayAccess && !is_array($array)) {
+                return null;
+            }
+
+            $array = $array[$index];
+        }
+
+        return $array;
+    }
+
+    private function __construct() {}
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/RingBuffer.php

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+<?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\Intl\ResourceBundle\Util;
+
+use Symfony\Component\Intl\Exception\OutOfBoundsException;
+
+/**
+ * Implements a ring buffer.
+ *
+ * A ring buffer is an array-like structure with a fixed size. If the buffer
+ * is full, the next written element overwrites the first bucket in the buffer,
+ * then the second and so on.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class RingBuffer implements \ArrayAccess
+{
+    private $values = array();
+
+    private $indices = array();
+
+    private $cursor = 0;
+
+    private $size;
+
+    public function __construct($size)
+    {
+        $this->size = $size;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetExists($key)
+    {
+        return isset($this->indices[$key]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetGet($key)
+    {
+        if (!isset($this->indices[$key])) {
+            throw new OutOfBoundsException(sprintf(
+                'The index "%s" does not exist.',
+                $key
+            ));
+        }
+
+        return $this->values[$this->indices[$key]];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetSet($key, $value)
+    {
+        if (false !== ($keyToRemove = array_search($this->cursor, $this->indices))) {
+            unset($this->indices[$keyToRemove]);
+        }
+
+        $this->values[$this->cursor] = $value;
+        $this->indices[$key] = $this->cursor;
+
+        $this->cursor = ($this->cursor + 1) % $this->size;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetUnset($key)
+    {
+        if (isset($this->indices[$key])) {
+            $this->values[$this->indices[$key]] = null;
+            unset($this->indices[$key]);
+        }
+    }
+}