/**
* @since 2.5
*
* @param string $languageCode
*
* @return string
*/
public function getFallbackLanguageBy($languageCode = '')
{
$languageCode = strtolower(trim($languageCode));
if (isset($this->fallbackLanguages[$languageCode])) {
return $this->fallbackLanguages[$languageCode];
}
$index = 'fallbackLanguage';
// Unknown, use the default
if ($languageCode === '') {
return $this->canonicalFallbackLanguageCode;
}
try {
$contents = $this->languageJsonFileContentsReader->readByLanguageCode($languageCode);
} catch (RuntimeException $e) {
$this->fallbackLanguages[$languageCode] = $this->canonicalFallbackLanguageCode;
}
// Get customized fallbackLanguage
if (isset($contents[$index])) {
$this->fallbackLanguages[$languageCode] = $contents[$index];
}
// The ultimate defense line, fallback was not set, or is false or empty
// which means use the canonicalFallbackLanguageCode
if (!isset($contents[$index]) || $this->fallbackLanguages[$languageCode] === false || $this->fallbackLanguages[$languageCode] === '') {
$this->fallbackLanguages[$languageCode] = $this->canonicalFallbackLanguageCode;
}
return $this->fallbackLanguages[$languageCode];
}
private function getCanonicalContentsFrom($languageCode, $index)
{
// Last resort before throwing the towel, make sure we really have
// something when the default FallbackLanguageCode is used
if (!isset($this->contents[$languageCode][$index])) {
$this->contents[$languageCode] = $this->languageJsonFileContentsReader->readByLanguageCode($languageCode, true);
}
if (isset($this->contents[$languageCode][$index])) {
return $this->contents[$languageCode][$index];
}
throw new RuntimeException("Unknown or invalid `{$index}` index for `{$languageCode}`");
}
/**
* This method is just for convenience so that one can quickly add contents to files
* without requiring an extra class when extending the language content. Normally the
* test in active
*
* @dataProvider dataExtensionProvider
*/
public function WriteToFile($topic, $extension)
{
$instance = new LanguageJsonFileContentsReader();
$list = 'ar,arz,ca,de,es,fi,fr,he,hu,id,it,nb,nl,pl,pt,ru,sk,zh-cn,zh-tw';
foreach (explode(',', $list) as $lang) {
$contents = $instance->readByLanguageCode($lang, true);
if ($contents === '' || !isset($contents[$topic])) {
continue;
}
$contents[$topic] = $contents[$topic] + $extension;
$instance->writeByLanguageCode($lang, $contents);
}
}
