diff core/lib/Drupal/Core/StringTranslation/TranslationManager.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/StringTranslation/TranslationManager.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,178 @@
+<?php
+
+namespace Drupal\Core\StringTranslation;
+
+use Drupal\Core\Language\LanguageDefault;
+use Drupal\Core\StringTranslation\Translator\TranslatorInterface;
+
+/**
+ * Defines a chained translation implementation combining multiple translators.
+ */
+class TranslationManager implements TranslationInterface, TranslatorInterface {
+
+  /**
+   * An unsorted array of arrays of active translators.
+   *
+   * An associative array. The keys are integers that indicate priority. Values
+   * are arrays of TranslatorInterface objects.
+   *
+   * @var \Drupal\Core\StringTranslation\Translator\TranslatorInterface[][]
+   *
+   * @see \Drupal\Core\StringTranslation\TranslationManager::addTranslator()
+   * @see \Drupal\Core\StringTranslation\TranslationManager::sortTranslators()
+   */
+  protected $translators = [];
+
+  /**
+   * An array of translators, sorted by priority.
+   *
+   * If this is NULL a rebuild will be triggered.
+   *
+   * @var null|\Drupal\Core\StringTranslation\Translator\TranslatorInterface[]
+   *
+   * @see \Drupal\Core\StringTranslation\TranslationManager::addTranslator()
+   * @see \Drupal\Core\StringTranslation\TranslationManager::sortTranslators()
+   */
+  protected $sortedTranslators = NULL;
+
+  /**
+   * The default langcode used in translations.
+   *
+   * @var string
+   *   A language code.
+   */
+  protected $defaultLangcode;
+
+  /**
+   * Constructs a TranslationManager object.
+   *
+   * @param \Drupal\Core\Language\LanguageDefault $default_language
+   *   The default language.
+   */
+  public function __construct(LanguageDefault $default_language) {
+    $this->defaultLangcode = $default_language->get()->getId();
+  }
+
+  /**
+   * Appends a translation system to the translation chain.
+   *
+   * @param \Drupal\Core\StringTranslation\Translator\TranslatorInterface $translator
+   *   The translation interface to be appended to the translation chain.
+   * @param int $priority
+   *   The priority of the logger being added.
+   *
+   * @return $this
+   */
+  public function addTranslator(TranslatorInterface $translator, $priority = 0) {
+    $this->translators[$priority][] = $translator;
+    // Reset sorted translators property to trigger rebuild.
+    $this->sortedTranslators = NULL;
+    return $this;
+  }
+
+  /**
+   * Sorts translators according to priority.
+   *
+   * @return \Drupal\Core\StringTranslation\Translator\TranslatorInterface[]
+   *   A sorted array of translator objects.
+   */
+  protected function sortTranslators() {
+    $sorted = [];
+    krsort($this->translators);
+
+    foreach ($this->translators as $translators) {
+      $sorted = array_merge($sorted, $translators);
+    }
+    return $sorted;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getStringTranslation($langcode, $string, $context) {
+    if ($this->sortedTranslators === NULL) {
+      $this->sortedTranslators = $this->sortTranslators();
+    }
+    foreach ($this->sortedTranslators as $translator) {
+      $translation = $translator->getStringTranslation($langcode, $string, $context);
+      if ($translation !== FALSE) {
+        return $translation;
+      }
+    }
+    // No translator got a translation.
+    return FALSE;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function translate($string, array $args = [], array $options = []) {
+    return new TranslatableMarkup($string, $args, $options, $this);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function translateString(TranslatableMarkup $translated_string) {
+    return $this->doTranslate($translated_string->getUntranslatedString(), $translated_string->getOptions());
+  }
+
+  /**
+   * Translates a string to the current language or to a given language.
+   *
+   * @param string $string
+   *   A string containing the English text to translate.
+   * @param array $options
+   *   An associative array of additional options, with the following elements:
+   *   - 'langcode': The language code to translate to a language other than
+   *      what is used to display the page.
+   *   - 'context': The context the source string belongs to.
+   *
+   * @return string
+   *   The translated string.
+   */
+  protected function doTranslate($string, array $options = []) {
+    // If a NULL langcode has been provided, unset it.
+    if (!isset($options['langcode']) && array_key_exists('langcode', $options)) {
+      unset($options['langcode']);
+    }
+
+    // Merge in options defaults.
+    $options = $options + [
+      'langcode' => $this->defaultLangcode,
+      'context' => '',
+    ];
+    $translation = $this->getStringTranslation($options['langcode'], $string, $options['context']);
+    return $translation === FALSE ? $string : $translation;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function formatPlural($count, $singular, $plural, array $args = [], array $options = []) {
+    return new PluralTranslatableMarkup($count, $singular, $plural, $args, $options, $this);
+  }
+
+  /**
+   * Sets the default langcode.
+   *
+   * @param string $langcode
+   *   A language code.
+   */
+  public function setDefaultLangcode($langcode) {
+    $this->defaultLangcode = $langcode;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function reset() {
+    if ($this->sortedTranslators === NULL) {
+      $this->sortedTranslators = $this->sortTranslators();
+    }
+    foreach ($this->sortedTranslators as $translator) {
+      $translator->reset();
+    }
+  }
+
+}