Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/locale/src/Gettext.php

@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\locale\Gettext.
+ */
+
+namespace Drupal\locale;
+
+use Drupal\Component\Gettext\PoStreamReader;
+use Drupal\Component\Gettext\PoMemoryWriter;
+use Drupal\locale\PoDatabaseWriter;
+
+/**
+ * Static class providing Drupal specific Gettext functionality.
+ *
+ * The operations are related to pumping data from a source to a destination,
+ * for example:
+ * - Remote files http://*.po to memory
+ * - File public://*.po to database
+ */
+class Gettext {
+
+  /**
+   * Reads the given PO files into the database.
+   *
+   * @param object $file
+   *   File object with an URI property pointing at the file's path.
+   *   - "langcode": The language the strings will be added to.
+   *   - "uri": File URI.
+   * @param array $options
+   *   An array with options that can have the following elements:
+   *   - 'overwrite_options': Overwrite options array as defined in
+   *     Drupal\locale\PoDatabaseWriter. Optional, defaults to an empty array.
+   *   - 'customized': Flag indicating whether the strings imported from $file
+   *     are customized translations or come from a community source. Use
+   *     LOCALE_CUSTOMIZED or LOCALE_NOT_CUSTOMIZED. Optional, defaults to
+   *     LOCALE_NOT_CUSTOMIZED.
+   *   - 'seek': Specifies from which position in the file should the reader
+   *     start reading the next items. Optional, defaults to 0.
+   *   - 'items': Specifies the number of items to read. Optional, defaults to
+   *     -1, which means that all the items from the stream will be read.
+   *
+   * @return array
+   *   Report array as defined in Drupal\locale\PoDatabaseWriter.
+   *
+   * @see \Drupal\locale\PoDatabaseWriter
+   */
+  public static function fileToDatabase($file, $options) {
+    // Add the default values to the options array.
+    $options += array(
+      'overwrite_options' => array(),
+      'customized' => LOCALE_NOT_CUSTOMIZED,
+      'items' => -1,
+      'seek' => 0,
+    );
+    // Instantiate and initialize the stream reader for this file.
+    $reader = new PoStreamReader();
+    $reader->setLangcode($file->langcode);
+    $reader->setURI($file->uri);
+
+    try {
+      $reader->open();
+    }
+    catch (\Exception $exception) {
+      throw $exception;
+    }
+
+    $header = $reader->getHeader();
+    if (!$header) {
+      throw new \Exception('Missing or malformed header.');
+    }
+
+    // Initialize the database writer.
+    $writer = new PoDatabaseWriter();
+    $writer->setLangcode($file->langcode);
+    $writer_options = array(
+      'overwrite_options' => $options['overwrite_options'],
+      'customized' => $options['customized'],
+    );
+    $writer->setOptions($writer_options);
+    $writer->setHeader($header);
+
+    // Attempt to pipe all items from the file to the database.
+    try {
+      if ($options['seek']) {
+        $reader->setSeek($options['seek']);
+      }
+      $writer->writeItems($reader, $options['items']);
+    }
+    catch (\Exception $exception) {
+      throw $exception;
+    }
+
+    // Report back with an array of status information.
+    $report = $writer->getReport();
+
+    // Add the seek position to the report. This is useful for the batch
+    // operation.
+    $report['seek'] = $reader->getSeek();
+    return $report;
+  }
+}