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Use ISO-639-1 for the language detection

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Michael 2023-11-02 22:49:25 +00:00
parent 74b4eddcf7
commit 3f2b0b9422
7 changed files with 113 additions and 114 deletions
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149
src/Core/L10n.php
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@ -378,7 +378,7 @@ class L10n
*
* @return array
*/
public function getAvailableLanguages(bool $additional = false): array
public function getAvailableLanguages(): array
{
$langs = [];
$strings_file_paths = glob('view/lang/*/strings.php');
@ -392,107 +392,94 @@ class L10n
$path_array = explode('/', $strings_file_path);
$langs[$path_array[2]] = self::LANG_NAMES[$path_array[2]] ?? $path_array[2];
}
if ($additional) {
// See https://github.com/friendica/friendica/issues/10511
// Persian is manually added to language detection until a persian translation is provided for the interface, at
// which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
// Additionally some more languages are added to that list that are used in the Fediverse.
$additional_langs = [
'af' => 'Afrikaans',
'az-Latn' => 'azərbaycan dili',
'bs-Latn' => 'bosanski jezik',
'be' => 'беларуская мова',
'bn' => 'বাংলা',
'cy' => 'Cymraeg',
'el-monoton' => 'ελληνικά',
'eu' => 'euskara, euskera',
'fa' => 'فارسی',
'ga' => 'Gaeilge',
'gl' => 'galego',
'he' => 'עברית',
'hi' => 'हिन्दी, हिंदी',
'hr' => 'hrvatski jezik',
'hy' => 'Հայերեն',
'id' => 'Bahasa Indonesia',
'jv' => 'basa Jawa',
'ka' => 'ქართული',
'ko' => '한국어, 조선어',
'lt' => 'lietuvių kalba',
'lv' => 'latviešu valoda',
'ms-Latn' => 'bahasa Melayu, بهاس ملايو‎',
'sr-Cyrl' => 'српски језик',
'sk' => 'slovenčina, slovenský jazyk',
'sl' => 'slovenski jezik, slovenščina',
'sq' => 'Shqip',
'sw' => 'Kiswahili',
'ta' => 'தமிழ்',
'th' => 'ไทย',
'tl' => 'Wikang Tagalog, ᜏᜒᜃᜅ᜔ ᜆᜄᜎᜓᜄ᜔',
'tr' => 'Türkçe',
'pt-PT' => 'português',
'uk' => 'українська мова',
'uz' => 'Oʻzbek, Ўзбек, أۇزبېك‎',
'vi' => 'Việt Nam',
'zh-hant' => '繁體',
];
$langs = array_merge($additional_langs, $langs);
ksort($langs);
}
}
return $langs;
}
/**
* The language detection routine uses some slightly different language codes.
* This function changes the language array accordingly.
* Get language codes that are detectable by our language detection routines.
* Öanguages 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.
*
* @param array $languages
* @return array
*/
public function convertForLanguageDetection(array $languages): array
public function getDetectableLanguages(): array
{
foreach ($languages as $key => $language) {
$newkey = $this->convertCodeForLanguageDetection($key);
if ($newkey != $key) {
if (!isset($languages[$newkey])) {
$languages[$newkey] = $language;
}
unset($languages[$key]);
}
$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', 'he', 'hi', 'hr', 'hy', 'id', 'in', 'iw', 'jv', 'jw',
'ka', '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,
['sd', 'si', 'yi', 'km', 'iu', 'lo', 'dv', 'gu', 'kn', 'te', 'ml', 'or', 'pa', 'iu']);
}
ksort($languages);
$langs = array_merge($additional_langs, array_keys($this->getAvailableLanguages()));
sort($langs);
return $langs;
}
/**
* Return a list of supported languages witzh 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 != $iso639->languageByCode1($code) && $international) {
$languages[$code] = $this->t('%s (%s)', $native, $language);
} else {
$languages[$code] = $native;
}
}
return $languages;
}
/**
* The language detection routine uses some slightly different language codes.
* This function changes the language codes accordingly.
* Convert the language code to ISO639-1
* It also converts old codes to their new counterparts.
*
* @param string $language
* @param string $code
* @return string
*/
public function convertCodeForLanguageDetection(string $language): string
public function toISO6391(string $code): string
{
switch ($language) {
case 'da-dk':
return 'da';
case 'en-us':
case 'en-gb':
return 'en';
case 'fi-fi':
return 'fi';
case 'nb-no':
return 'nb';
case 'pt-br':
return 'pt-BR';
case 'zh-cn':
return 'zh-Hans';
default:
return $language;
if ((strlen($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;
}
/**