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

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/StringTranslation/PluralTranslatableMarkup.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,167 @@
+<?php
+
+namespace Drupal\Core\StringTranslation;
+
+/**
+ * A class to hold plural translatable markup.
+ */
+class PluralTranslatableMarkup extends TranslatableMarkup {
+
+  /**
+   * The delimiter used to split plural strings.
+   *
+   * This is the ETX (End of text) character and is used as a minimal means to
+   * separate singular and plural variants in source and translation text. It
+   * was found to be the most compatible delimiter for the supported databases.
+   */
+  const DELIMITER = "\03";
+
+  /**
+   * The item count to display.
+   *
+   * @var int
+   */
+  protected $count;
+
+  /**
+   * The already translated string.
+   *
+   * @var string
+   */
+  protected $translatedString;
+
+  /**
+   * Constructs a new PluralTranslatableMarkup object.
+   *
+   * Parses values passed into this class through the format_plural() function
+   * in Drupal and handles an optional context for the string.
+   *
+   * @param int $count
+   *   The item count to display.
+   * @param string $singular
+   *   The string for the singular case. Make sure it is clear this is singular,
+   *   to ease translation (e.g. use "1 new comment" instead of "1 new"). Do not
+   *   use @count in the singular string.
+   * @param string $plural
+   *   The string for the plural case. Make sure it is clear this is plural, to
+   *   ease translation. Use @count in place of the item count, as in
+   *   "@count new comments".
+   * @param array $args
+   *   (optional) An array with placeholder replacements, keyed by placeholder.
+   *   See \Drupal\Component\Render\FormattableMarkup::placeholderFormat() for
+   *   additional information about placeholders. Note that you do not need to
+   *   include @count in this array; this replacement is done automatically
+   *   for the plural cases.
+   * @param array $options
+   *   (optional) An associative array of additional options. See t() for
+   *   allowed keys.
+   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
+   *   (optional) The string translation service.
+   *
+   * @see \Drupal\Component\Render\FormattableMarkup::placeholderFormat()
+   */
+  public function __construct($count, $singular, $plural, array $args = [], array $options = [], TranslationInterface $string_translation = NULL) {
+    $this->count = $count;
+    $translatable_string = implode(static::DELIMITER, [$singular, $plural]);
+    parent::__construct($translatable_string, $args, $options, $string_translation);
+  }
+
+  /**
+   * Constructs a new class instance from already translated markup.
+   *
+   * This method ensures that the string is pluralized correctly. As opposed
+   * to the __construct() method, this method is designed to be invoked with
+   * a string already translated (such as with configuration translation).
+   *
+   * @param int $count
+   *   The item count to display.
+   * @param string $translated_string
+   *   The already translated string.
+   * @param array $args
+   *   An associative array of replacements to make after translation. Instances
+   *   of any key in this array are replaced with the corresponding value.
+   *   Based on the first character of the key, the value is escaped and/or
+   *   themed. See \Drupal\Component\Utility\SafeMarkup::format(). Note that you
+   *   do not need to include @count in this array; this replacement is done
+   *   automatically for the plural cases.
+   * @param array $options
+   *   An associative array of additional options. See t() for allowed keys.
+   *
+   * @return \Drupal\Core\StringTranslation\PluralTranslatableMarkup
+   *   A PluralTranslatableMarkup object.
+   */
+  public static function createFromTranslatedString($count, $translated_string, array $args = [], array $options = []) {
+    $plural = new static($count, '', '', $args, $options);
+    $plural->translatedString = $translated_string;
+    return $plural;
+  }
+
+  /**
+   * Renders the object as a string.
+   *
+   * @return string
+   *   The translated string.
+   */
+  public function render() {
+    if (!$this->translatedString) {
+      $this->translatedString = $this->getStringTranslation()->translateString($this);
+    }
+    if ($this->translatedString === '') {
+      return '';
+    }
+
+    $arguments = $this->getArguments();
+    $arguments['@count'] = $this->count;
+    $translated_array = explode(static::DELIMITER, $this->translatedString);
+
+    if ($this->count == 1) {
+      return $this->placeholderFormat($translated_array[0], $arguments);
+    }
+
+    $index = $this->getPluralIndex();
+    if ($index == 0) {
+      // Singular form.
+      $return = $translated_array[0];
+    }
+    else {
+      if (isset($translated_array[$index])) {
+        // N-th plural form.
+        $return = $translated_array[$index];
+      }
+      else {
+        // If the index cannot be computed or there's no translation, use the
+        // second plural form as a fallback (which allows for most flexibility
+        // with the replaceable @count value).
+        $return = $translated_array[1];
+      }
+    }
+
+    return $this->placeholderFormat($return, $arguments);
+  }
+
+  /**
+   * Gets the plural index through the gettext formula.
+   *
+   * @return int
+   */
+  protected function getPluralIndex() {
+    // We have to test both if the function and the service exist since in
+    // certain situations it is possible that locale code might be loaded but
+    // the service does not exist. For example, where the parent test site has
+    // locale installed but the child site does not.
+    // @todo Refactor in https://www.drupal.org/node/2660338 so this code does
+    // not depend on knowing that the Locale module exists.
+    if (function_exists('locale_get_plural') && \Drupal::hasService('locale.plural.formula')) {
+      return locale_get_plural($this->count, $this->getOption('langcode'));
+    }
+    return -1;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __sleep() {
+    return array_merge(parent::__sleep(), ['count']);
+  }
+
+}