1 files changed, 143 insertions, 0 deletions
diff --git a/vendor/voku/stop-words/src/voku/helper/StopWords.php b/vendor/voku/stop-words/src/voku/helper/StopWords.php
new file mode 100644
index 000000000..8450d9c42
--- /dev/null
+++ b/vendor/voku/stop-words/src/voku/helper/StopWords.php
@@ -0,0 +1,143 @@
+<?php
+
+declare(strict_types=1);
+
+namespace voku\helper;
+
+/**
+ * Phonetic-Helper-Class
+ *
+ * @package voku\helper
+ */
+final class StopWords
+{
+  /**
+   * @var array
+   */
+  private static $availableLanguages = array(
+      'ar',
+      'bg',
+      'ca',
+      'cz',
+      'da',
+      'de',
+      'el',
+      'en',
+      'eo',
+      'es',
+      'et',
+      'fi',
+      'fr',
+      'hi',
+      'hr',
+      'hu',
+      'id',
+      'it',
+      'ka',
+      'lt',
+      'lv',
+      'nl',
+      'no',
+      'pl',
+      'pt',
+      'ro',
+      'ru',
+      'sk',
+      'sv',
+      'tr',
+      'uk',
+      'vi'
+  );
+
+  /**
+   * @var array
+   */
+  private $stopWords = array();
+
+  /**
+   * Load language-data from one language.
+   *
+   * @param string $language
+   *
+   * @throws StopWordsLanguageNotExists
+   */
+  private function loadLanguageData(string $language = 'de')
+  {
+    if (\in_array($language, self::$availableLanguages, true) === false) {
+      throw new StopWordsLanguageNotExists('language not supported: ' . $language);
+    }
+
+    $this->stopWords[$language] = $this->getData($language);
+  }
+
+  /**
+   * Get data from "/data/*.php".
+   *
+   * @param string $file
+   *
+   * @return array <p>Will return an empty array on error.</p>
+   */
+  private function getData(string $file): array
+  {
+    static $RESULT_STOP_WORDS_CACHE = array();
+
+    if (isset($RESULT_STOP_WORDS_CACHE[$file])) {
+      return $RESULT_STOP_WORDS_CACHE[$file];
+    }
+
+    $file = __DIR__ . '/stopwords/' . $file . '.php';
+    if (file_exists($file)) {
+      /** @noinspection PhpIncludeInspection */
+      $RESULT_STOP_WORDS_CACHE[$file] = require $file;
+    } else {
+      $RESULT_STOP_WORDS_CACHE[$file] = array();
+    }
+
+    return $RESULT_STOP_WORDS_CACHE[$file];
+  }
+
+  /**
+   * Get the stop-words from one language.
+   *
+   * @param string $language
+   *
+   * @return array
+   *
+   * @throws StopWordsLanguageNotExists
+   */
+  public function getStopWordsFromLanguage(string $language = 'de'): array
+  {
+    if (\in_array($language, self::$availableLanguages, true) === false) {
+      throw new StopWordsLanguageNotExists('language not supported: ' . $language);
+    }
+
+    if (!isset($this->stopWords[$language])) {
+      $this->loadLanguageData($language);
+    }
+
+    return $this->stopWords[$language];
+  }
+
+  private function loadLanguageDataAll()
+  {
+    foreach (self::$availableLanguages as $language) {
+      if (!isset($this->stopWords[$language])) {
+        $this->loadLanguageData($language);
+      }
+    }
+  }
+
+  /**
+   * Get all stop-words from all languages.
+   *
+   * @return array
+   *
+   * @throws StopWordsLanguageNotExists
+   */
+  public function getStopWordsAll(): array
+  {
+    $this->loadLanguageDataAll();
+
+    return $this->stopWords;
+  }
+}