Merge pull request #13704 from MrPetovan/bug/13693-infinite-indentation-level

[friendica.git] / src / Core / L10n.php

diff --git a/src/Core/L10n.php b/src/Core/L10n.php
index 1d8cfa705bae359df110a42d826b28e5e11712a4..80ef832715928bb49201890d9367c349b5ef8772 100644 (file)
--- a/src/Core/L10n.php
+++ b/src/Core/L10n.php
@@ -378,7 +378,7 @@ class L10n
         *
         * @return array
         */
-       public static function getAvailableLanguages(): array
+       public function getAvailableLanguages(): array
        {
                $langs              = [];
                $strings_file_paths = glob('view/lang/*/strings.php');
@@ -396,6 +396,92 @@ class L10n
                return $langs;
        }
 
+       /**
+        * Get language codes that are detectable by our language detection routines.
+        * Languages are excluded that aren't used often and that tend to false detections.
+        * The listed codes are a collection of both the official ISO 639-1 codes and
+        * the codes that are used by our built-in language detection routine.
+        * When the detection is done, the result only consists of the official ISO 639-1 codes.
+        *
+        * @return array
+        */
+       public function getDetectableLanguages(): array
+       {
+               $additional_langs = [
+                       'af', 'az', 'az-Cyrl', 'az-Latn', 'be', 'bn', 'bs', 'bs-Cyrl', 'bs-Latn',
+                       'cy', 'da', 'el', 'el-monoton', 'el-polyton', 'en', 'eu', 'fa', 'fi',
+                       'ga', 'gl', 'gu', 'he', 'hi', 'hr', 'hy', 'id', 'in', 'iu', 'iw', 'jv', 'jw',
+                       'ka', 'km', 'ko', 'lt', 'lv', 'mo', 'ms', 'ms-Arab', 'ms-Latn', 'nb', 'nn', 'no',
+                       'pt', 'pt-PT', 'pt-BR', 'ro', 'sa', 'sk', 'sl', 'sq', 'sr', 'sr-Cyrl', 'sr-Latn', 'sw',
+                       'ta', 'th', 'tl', 'tr', 'ug', 'uk', 'uz', 'vi', 'zh', 'zh-Hant', 'zh-Hans',
+               ];
+
+               if (in_array('cld2', get_loaded_extensions())) {
+                       $additional_langs = array_merge($additional_langs,
+                               ['dv', 'kn', 'lo', 'ml', 'or', 'pa', 'sd', 'si', 'te', 'yi']);
+               }
+
+               $langs = array_merge($additional_langs, array_keys($this->getAvailableLanguages()));
+               sort($langs);
+               return $langs;
+       }
+
+       /**
+        * Return a list of supported languages with their two byte language codes.
+        *
+        * @param bool $international If set to true, additionally the international language name is returned as well.
+        * @return array
+        */
+       public function getLanguageCodes(bool $international = false): array
+       {
+               $iso639 = new \Matriphe\ISO639\ISO639;
+
+               $languages = [];
+
+               foreach ($this->getDetectableLanguages() as $code) {
+                       $code     = $this->toISO6391($code);
+                       $native   = $iso639->nativeByCode1($code);
+                       $language = $iso639->languageByCode1($code);
+                       if ($native != $language && $international) {
+                               $languages[$code] = $this->t('%s (%s)', $native, $language);
+                       } else {
+                               $languages[$code] = $native;
+                       }
+               }
+
+               return $languages;
+       }
+
+       /**
+        * Convert the language code to ISO639-1
+        * It also converts old codes to their new counterparts.
+        *
+        * @param string $code
+        * @return string
+        */
+       public function toISO6391(string $code): string
+       {
+               if ((strlen($code) > 2) && (substr($code, 2, 1) == '-')) {
+                       $code = substr($code, 0, 2);
+               }
+               if (in_array($code, ['nb', 'nn'])) {
+                       $code = 'no';
+               }
+               if ($code == 'in') {
+                       $code = 'id';
+               }
+               if ($code == 'iw') {
+                       $code = 'he';
+               }
+               if ($code == 'jw') {
+                       $code = 'jv';
+               }
+               if ($code == 'mo') {
+                       $code = 'ro';
+               }
+               return $code;
+       }
+
        /**
         * Translate days and months names.
         *