twig implementation

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/AbstractBundleReader.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\Reader;
+
+/**
+ * Base class for {@link BundleReaderInterface} implementations.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+abstract class AbstractBundleReader implements BundleReaderInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getLocales($path)
+    {
+        $extension = '.' . $this->getFileExtension();
+        $locales = glob($path . '/*' . $extension);
+
+        // Remove file extension and sort
+        array_walk($locales, function (&$locale) use ($extension) { $locale = basename($locale, $extension); });
+        sort($locales);
+
+        return $locales;
+    }
+
+    /**
+     * Returns the extension of locale files in this bundle.
+     *
+     * @return string The file extension (without leading dot).
+     */
+    abstract protected function getFileExtension();
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/BinaryBundleReader.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\Reader;
+
+use Symfony\Component\Intl\Exception\RuntimeException;
+use Symfony\Component\Intl\ResourceBundle\Util\ArrayAccessibleResourceBundle;
+
+/**
+ * Reads binary .res resource bundles.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class BinaryBundleReader extends AbstractBundleReader implements BundleReaderInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function read($path, $locale)
+    {
+        // Point for future extension: Modify this class so that it works also
+        // if the \ResourceBundle class is not available.
+        $bundle = new \ResourceBundle($locale, $path);
+
+        if (null === $bundle) {
+            throw new RuntimeException(sprintf(
+                'Could not load the resource bundle "%s/%s.res".',
+                $path,
+                $locale
+            ));
+        }
+
+        return new ArrayAccessibleResourceBundle($bundle);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getFileExtension()
+    {
+        return 'res';
+    }
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/BufferedBundleReader.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\Reader;
+
+use Symfony\Component\Intl\ResourceBundle\Util\RingBuffer;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class BufferedBundleReader implements BundleReaderInterface
+{
+    /**
+     * @var BundleReaderInterface
+     */
+    private $reader;
+
+    private $buffer;
+
+    /**
+     * Buffers a given reader.
+     *
+     * @param BundleReaderInterface $reader     The reader to buffer.
+     * @param integer               $bufferSize The number of entries to store
+     *                                          in the buffer.
+     */
+    public function __construct(BundleReaderInterface $reader, $bufferSize)
+    {
+        $this->reader = $reader;
+        $this->buffer = new RingBuffer($bufferSize);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($path, $locale)
+    {
+        $hash = $path . '//' . $locale;
+
+        if (!isset($this->buffer[$hash])) {
+            $this->buffer[$hash] = $this->reader->read($path, $locale);
+        }
+
+        return $this->buffer[$hash];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getLocales($path)
+    {
+        return $this->reader->getLocales($path);
+    }
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/BundleReaderInterface.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\Reader;
+
+/**
+ * Reads resource bundle files.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+interface BundleReaderInterface
+{
+    /**
+     * Reads a resource bundle.
+     *
+     * @param string $path   The path to the resource bundle.
+     * @param string $locale The locale to read.
+     *
+     * @return mixed Returns an array or {@link \ArrayAccess} instance for
+     *               complex data, a scalar value otherwise.
+     */
+    public function read($path, $locale);
+
+    /**
+     * Reads the available locales of a resource bundle.
+     *
+     * @param string $path The path to the resource bundle.
+     *
+     * @return string[] A list of supported locale codes.
+     */
+    public function getLocales($path);
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/PhpBundleReader.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\Reader;
+
+use Symfony\Component\Intl\Exception\InvalidArgumentException;
+use Symfony\Component\Intl\Exception\RuntimeException;
+
+/**
+ * Reads .php resource bundles.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class PhpBundleReader extends AbstractBundleReader implements BundleReaderInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function read($path, $locale)
+    {
+        if ('en' !== $locale) {
+            throw new InvalidArgumentException('Only the locale "en" is supported.');
+        }
+
+        $fileName = $path . '/' . $locale . '.php';
+
+        if (!file_exists($fileName)) {
+            throw new RuntimeException(sprintf(
+                'The resource bundle "%s/%s.php" does not exist.',
+                $path,
+                $locale
+            ));
+        }
+
+        if (!is_file($fileName)) {
+            throw new RuntimeException(sprintf(
+                'The resource bundle "%s/%s.php" is not a file.',
+                $path,
+                $locale
+            ));
+        }
+
+        return include $fileName;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getFileExtension()
+    {
+        return 'php';
+    }
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/StructuredBundleReader.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\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);
+    }
+}

vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Reader/StructuredBundleReaderInterface.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\Reader;
+
+/**
+ * Reads individual entries of a resource file.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+interface StructuredBundleReaderInterface extends BundleReaderInterface
+{
+    /**
+     * Reads an entry from a resource bundle.
+     *
+     * An entry can be selected from the resource bundle by passing the path
+     * to that entry in the bundle. For example, if the bundle is structured
+     * like this:
+     *
+     *     TopLevel
+     *         NestedLevel
+     *             Entry: Value
+     *
+     * Then the value can be read by calling:
+     *
+     *     $reader->readEntry('...', 'en', array('TopLevel', 'NestedLevel', 'Entry'));
+     *
+     * @param string   $path     The path to the resource bundle.
+     * @param string   $locale   The locale to read.
+     * @param string[] $indices  The indices to read from the bundle.
+     * @param Boolean  $fallback Whether to merge the value with the value from
+     *                           the fallback locale (e.g. "en" for "en_GB").
+     *                           Only applicable if the result is multivalued
+     *                           (i.e. array or \ArrayAccess) or cannot be found
+     *                           in the requested locale.
+     *
+     * @return mixed Returns an array or {@link \ArrayAccess} instance for
+     *               complex data, a scalar value for simple data and NULL
+     *               if the given path could not be accessed.
+     */
+    public function readEntry($path, $locale, array $indices, $fallback = true);
+}