/**
* @dataProvider provideFetchLanguageCodes
*/
public function testGetFetchLanguageCodes(array $languages)
{
$languagesWithConversion = array();
foreach ($languages as $language) {
$languagesWithConversion[] = LanguageWithConversion::factory($language);
}
$chain = new LanguageFallbackChain($languagesWithConversion);
$codes = $chain->getFetchLanguageCodes();
$this->assertEquals($languages, $codes);
}
public function provideGetLabelDescriptionLookup()
{
$termLookup = $this->getMock('Wikibase\\DataModel\\Services\\Lookup\\TermLookup');
$termLookup->expects($this->any())->method('getLabel')->will($this->returnCallback(function ($item, $language) {
if ($language === 'de') {
return 'Kätzchen';
}
throw new OutOfBoundsException('no bananas');
}));
$termLookup->expects($this->any())->method('getLabels')->will($this->returnValue(array('de' => 'Kätzchen')));
$labelDescriptionLookup = new LanguageLabelDescriptionLookup($termLookup, 'de');
$deChChain = new LanguageFallbackChain(array(LanguageWithConversion::factory('de-ch'), LanguageWithConversion::factory('de')));
$frChain = new LanguageFallbackChain(array(LanguageWithConversion::factory('fr')));
return array('language' => array($termLookup, new FormatterOptions(array(ValueFormatter::OPT_LANG => 'de')), 'Kätzchen'), 'language and fallback chain' => array($termLookup, new FormatterOptions(array(ValueFormatter::OPT_LANG => 'fr', FormatterLabelDescriptionLookupFactory::OPT_LANGUAGE_FALLBACK_CHAIN => $deChChain)), 'Kätzchen'), 'language and fallback chain and LabelDescriptionLookup' => array($termLookup, new FormatterOptions(array(ValueFormatter::OPT_LANG => 'fr', FormatterLabelDescriptionLookupFactory::OPT_LANGUAGE_FALLBACK_CHAIN => $frChain, FormatterLabelDescriptionLookupFactory::OPT_LABEL_DESCRIPTION_LOOKUP => $labelDescriptionLookup)), 'Kätzchen'));
}
/**
* Build fallback chain array for a given language or validated language code.
*
* @param Language|string $language Language object or language code as string
* @param int $mode Bitfield of self::FALLBACK_*
* @param LanguageFallbackChain[] $chain for recursive calls
* @param array $fetched for recursive calls
*
* @throws InvalidArgumentException
* @return LanguageWithConversion[]
*/
private function buildFromLanguage($language, $mode, &$chain = array(), &$fetched = array())
{
if (!is_int($mode)) {
throw new InvalidArgumentException('$mode must be an integer');
}
if (is_string($language)) {
$languageCode = $language;
} else {
$languageCode = $language->getCode();
}
if ($mode & self::FALLBACK_SELF) {
if (!isset($fetched[$languageCode])) {
$chain[] = LanguageWithConversion::factory($language);
$fetched[$languageCode] = true;
}
}
if ($mode & self::FALLBACK_VARIANTS) {
/** @var Language $parentLanguage */
$pieces = explode('-', $languageCode);
if (!in_array($pieces[0], LanguageConverter::$languagesWithVariants)) {
$parentLanguage = null;
} else {
if (is_string($language)) {
$language = Language::factory($language);
}
$parentLanguage = $language->getParentLanguage();
}
if ($parentLanguage) {
// It's less likely to trigger conversion mistakes by converting
// zh-tw to zh-hk first instead of converting zh-cn to zh-tw.
$variantFallbacks = $parentLanguage->getConverter()->getVariantFallbacks($languageCode);
if (is_array($variantFallbacks)) {
$variants = array_unique(array_merge($variantFallbacks, $parentLanguage->getVariants()));
} else {
$variants = $parentLanguage->getVariants();
}
foreach ($variants as $variant) {
if (isset($fetched[$variant]) || !$parentLanguage->hasVariant($variant)) {
continue;
}
$chain[] = LanguageWithConversion::factory($language, $variant);
$fetched[$variant] = true;
}
}
}
if ($mode & self::FALLBACK_OTHERS) {
// Regarding $mode in recursive calls:
// * self is a must to have the fallback item itself included;
// * respect the original caller about whether to include variants or not;
// * others should be excluded as they'll be handled here in loops.
$recursiveMode = $mode;
$recursiveMode &= self::FALLBACK_VARIANTS;
$recursiveMode |= self::FALLBACK_SELF;
foreach (Language::getFallbacksFor($languageCode) as $other) {
$this->buildFromLanguage($other, $recursiveMode, $chain, $fetched);
}
}
return $chain;
}
private function getLinkBeginHookHandler()
{
$languageFallback = new LanguageFallbackChain(array(LanguageWithConversion::factory('de-ch'), LanguageWithConversion::factory('de'), LanguageWithConversion::factory('en')));
return new LinkBeginHookHandler($this->getEntityIdLookup(), $this->getTermLookup(), $this->getEntityNamespaceLookup(), $languageFallback, Language::factory('en'));
}
