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

---
 .../Reader/StructuredBundleReader.php              | 113 +++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/StructuredBundleReader.php

(limited to 'vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/StructuredBundleReader.php')

diff --git a/vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/StructuredBundleReader.php b/vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/StructuredBundleReader.php
new file mode 100644
index 00000000..e3656fe2
--- /dev/null
+++ b/vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/StructuredBundleReader.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\Intl\ResourceBundle\Reader;
+
+use Symfony\Component\Intl\ResourceBundle\Util\RecursiveArrayAccess;
+
+/**
+ * A structured reader wrapping an existing resource bundle reader.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @see StructuredResourceBundleBundleReaderInterface
+ */
+class StructuredBundleReader implements StructuredBundleReaderInterface
+{
+    /**
+     * @var BundleReaderInterface
+     */
+    private $reader;
+
+    /**
+     * Creates an entry reader based on the given resource bundle reader.
+     *
+     * @param BundleReaderInterface $reader A resource bundle reader to use.
+     */
+    public function __construct(BundleReaderInterface $reader)
+    {
+        $this->reader = $reader;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($path, $locale)
+    {
+        return $this->reader->read($path, $locale);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getLocales($path)
+    {
+        return $this->reader->getLocales($path);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function readEntry($path, $locale, array $indices, $fallback = true)
+    {
+        $data = $this->reader->read($path, $locale);
+
+        $entry = RecursiveArrayAccess::get($data, $indices);
+        $multivalued = is_array($entry) || $entry instanceof \Traversable;
+
+        if (!($fallback && (null === $entry || $multivalued))) {
+            return $entry;
+        }
+
+        if (null !== ($fallbackLocale = $this->getFallbackLocale($locale))) {
+            $parentEntry = $this->readEntry($path, $fallbackLocale, $indices, true);
+
+            if ($entry || $parentEntry) {
+                $multivalued = $multivalued || is_array($parentEntry) || $parentEntry instanceof \Traversable;
+
+                if ($multivalued) {
+                    if ($entry instanceof \Traversable) {
+                        $entry = iterator_to_array($entry);
+                    }
+
+                    if ($parentEntry instanceof \Traversable) {
+                        $parentEntry = iterator_to_array($parentEntry);
+                    }
+
+                    $entry = array_merge(
+                        $parentEntry ?: array(),
+                        $entry ?: array()
+                    );
+                } else {
+                    $entry = null === $entry ? $parentEntry : $entry;
+                }
+            }
+        }
+
+        return $entry;
+    }
+
+    /**
+     * Returns the fallback locale for a given locale, if any
+     *
+     * @param string $locale The locale to find the fallback for.
+     *
+     * @return string|null The fallback locale, or null if no parent exists
+     */
+    private function getFallbackLocale($locale)
+    {
+        if (false === $pos = strrpos($locale, '_')) {
+            return null;
+        }
+
+        return substr($locale, 0, $pos);
+    }
+}
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