diff core/modules/locale/src/LocaleTranslation.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/locale/src/LocaleTranslation.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,156 @@
+<?php
+
+namespace Drupal\locale;
+
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\DestructableInterface;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Lock\LockBackendInterface;
+use Drupal\Core\StringTranslation\Translator\TranslatorInterface;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+/**
+ * String translator using the locale module.
+ *
+ * Full featured translation system using locale's string storage and
+ * database caching.
+ */
+class LocaleTranslation implements TranslatorInterface, DestructableInterface {
+
+  /**
+   * Storage for strings.
+   *
+   * @var \Drupal\locale\StringStorageInterface
+   */
+  protected $storage;
+
+  /**
+   * The configuration factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * Cached translations.
+   *
+   * @var array
+   *   Array of \Drupal\locale\LocaleLookup objects indexed by language code
+   *   and context.
+   */
+  protected $translations = [];
+
+  /**
+   * The cache backend that should be used.
+   *
+   * @var \Drupal\Core\Cache\CacheBackendInterface
+   */
+  protected $cache;
+
+  /**
+   * The lock backend that should be used.
+   *
+   * @var \Drupal\Core\Lock\LockBackendInterface
+   */
+  protected $lock;
+
+  /**
+   * The translate english configuration value.
+   *
+   * @var bool
+   */
+  protected $translateEnglish;
+
+  /**
+   * The language manager.
+   *
+   * @var \Drupal\Core\Language\LanguageManagerInterface
+   */
+  protected $languageManager;
+
+  /**
+   * The request stack.
+   *
+   * @var \Symfony\Component\HttpFoundation\RequestStack
+   */
+  protected $requestStack;
+
+  /**
+   * Constructs a translator using a string storage.
+   *
+   * @param \Drupal\locale\StringStorageInterface $storage
+   *   Storage to use when looking for new translations.
+   * @param \Drupal\Core\Cache\CacheBackendInterface $cache
+   *   The cache backend.
+   * @param \Drupal\Core\Lock\LockBackendInterface $lock
+   *   The lock backend.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The config factory.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.
+   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
+   *   The request stack.
+   */
+  public function __construct(StringStorageInterface $storage, CacheBackendInterface $cache, LockBackendInterface $lock, ConfigFactoryInterface $config_factory, LanguageManagerInterface $language_manager, RequestStack $request_stack) {
+    $this->storage = $storage;
+    $this->cache = $cache;
+    $this->lock = $lock;
+    $this->configFactory = $config_factory;
+    $this->languageManager = $language_manager;
+    $this->requestStack = $request_stack;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getStringTranslation($langcode, $string, $context) {
+    // If the language is not suitable for locale module, just return.
+    if ($langcode == LanguageInterface::LANGCODE_SYSTEM || ($langcode == 'en' && !$this->canTranslateEnglish())) {
+      return FALSE;
+    }
+    // Strings are cached by langcode, context and roles, using instances of the
+    // LocaleLookup class to handle string lookup and caching.
+    if (!isset($this->translations[$langcode][$context])) {
+      $this->translations[$langcode][$context] = new LocaleLookup($langcode, $context, $this->storage, $this->cache, $this->lock, $this->configFactory, $this->languageManager, $this->requestStack);
+    }
+    $translation = $this->translations[$langcode][$context]->get($string);
+    return $translation === TRUE ? FALSE : $translation;
+  }
+
+  /**
+   * Gets translate english configuration value.
+   *
+   * @return bool
+   *   TRUE if english should be translated, FALSE if not.
+   */
+  protected function canTranslateEnglish() {
+    if (!isset($this->translateEnglish)) {
+      $this->translateEnglish = $this->configFactory->get('locale.settings')->get('translate_english');
+    }
+    return $this->translateEnglish;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function reset() {
+    unset($this->translateEnglish);
+    $this->translations = [];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function destruct() {
+    foreach ($this->translations as $context) {
+      foreach ($context as $lookup) {
+        if ($lookup instanceof DestructableInterface) {
+          $lookup->destruct();
+        }
+      }
+    }
+  }
+
+}