8000 [Intl] Full alpha3 language support by ro0NL · Pull Request #33140 · symfony/symfony · GitHub
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[Intl] Full alpha3 language support #33140

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Merged
merged 1 commit into from
Aug 18, 2019
Merged

[Intl] Full alpha3 language support #33140

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[Intl] Full alpha3 language support
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@ro0NL
ro0NL committed Aug 14, 2019
commit 29aee2ddf2ff7dd0bfa96c1dbb56467673a533a2
42 changes: 36 additions & 6 deletions src/Symfony/Component/Intl/Data/Generator/LanguageDataGenerator.php
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Original file line number Diff line number Diff line change
Expand Up @@ -162,15 +162,12 @@ protected function generateDataForMeta(BundleEntryReaderInterface $reader, $temp

sort($this->languageCodes);

$alpha2ToAlpha3 = $this->generateAlpha2ToAlpha3Mapping($metadataBundle);
$alpha3ToAlpha2 = array_flip($alpha2ToAlpha3);
asort($alpha3ToAlpha2);

return [
'Version' => $rootBundle['Version'],
'Languages' => $this->languageCodes,
'Alpha2ToAlpha3' => $alpha2ToAlpha3,
'Alpha3ToAlpha2' => $alpha3ToAlpha2,
'Alpha3Languages' => $this->generateAlpha3Codes($this->languageCodes, $metadataBundle),
'Alpha2ToAlpha3' => $this->generateAlpha2ToAlpha3Mapping($metadataBundle),
'Alpha3ToAlpha2' => $this->generateAlpha3ToAlpha2Mapping($metadataBundle),
];
}

Expand All @@ -179,6 +176,23 @@ private static function generateLanguageNames(ArrayAccessibleResourceBundle $loc
return array_diff_key(iterator_to_array($localeBundle['Languages']), self::$blacklist);
}

private function generateAlpha3Codes(array $languageCodes, ArrayAccessibleResourceBundle $metadataBundle): array
{
$alpha3Codes = array_flip(array_filter($languageCodes, static function (string $language): bool {
return 3 === \strlen($language);
}));

foreach ($metadataBundle['alias']['language'] as $alias => $data) {
if (3 === \strlen($alias) && 'overlong' === $data['reason']) {
$alpha3Codes[$alias] = true;
}
}

ksort($alpha3Codes);

return array_keys($alpha3Codes);
}

private function generateAlpha2ToAlpha3Mapping(ArrayAccessibleResourceBundle $metadataBundle)
{
$aliases = iterator_to_array($metadataBundle['alias']['language']);
Expand Down Expand Up @@ -213,4 +227,20 @@ private function generateAlpha2ToAlpha3Mapping(ArrayAccessibleResourceBundle $me

return $alpha2ToAlpha3;
}

private function generateAlpha3ToAlpha2Mapping(ArrayAccessibleResourceBundle $metadataBundle): array
{
$alpha3ToAlpha2 = [];

foreach ($metadataBundle['alias']['language'] as $alias => $data) {
$language = $data['replacement'];
if (2 === \strlen($language) && 3 === \strlen($alias) && 'overlong' === $data['reason']) {
$alpha3ToAlpha2[$alias] = $language;
}
}

asort($alpha3ToAlpha2);

return $alpha3ToAlpha2;
}
}
23 changes: 20 additions & 3 deletions src/Symfony/Component/Intl/Languages.php
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Expand Up @@ -98,7 +98,7 @@ public static function getAlpha2Code(string $language): string
*/
public static function getAlpha3Codes(): array
{
return self::readEntry(['Alpha2ToAlpha3'], 'meta');
return self::readEntry(['Alpha3Languages'], 'meta');
}

/**
Expand All @@ -111,7 +111,12 @@ public static function alpha3CodeExists(string $language): bool

return true;
} catch (MissingResourceException $e) {
return false;
static $cache;
if (null === $cache) {
$cache = array_flip(self::getAlpha3Codes());
}

return isset($cache[$language]);
}
}

Expand All @@ -122,7 +127,15 @@ public static function alpha3CodeExists(string $language): bool
*/
public static function getAlpha3Name(string $language, string $displayLocale = null): string
{
return self::getName(self::getAlpha2Code($language), $displayLocale);
try {
return self::getName(self::getAlpha2Code($language), $displayLocale);
} catch (MissingResourceException $e) {
if (3 === \strlen($language)) {
return self::getName($language, $displayLocale);
}

throw $e;
}
}

/**
Expand All @@ -137,6 +150,10 @@ public static fun 75BD ction getAlpha3Names($displayLocale = null): array
$alpha2Names = self::getNames($displayLocale);
$alpha3Names = [];
foreach ($alpha2Names as $alpha2Code => $name) {
if (3 === \strlen($alpha2Code)) {
$alpha3Names[$alpha2Code] = $name;
continue;
}
try {
$alpha3Names[self::getAlpha3Code($alpha2Code)] = $name;
} catch (MissingResourceException $e) {
Expand Down
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