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<?php |
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namespace SilverStripe\i18n\Messages\Symfony; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Dev\Debug; |
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use SilverStripe\i18n\i18n; |
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use SilverStripe\i18n\Messages\Reader; |
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use Symfony\Component\Translation\Loader\ArrayLoader; |
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use Symfony\Component\Translation\PluralizationRules; |
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/** |
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* Loads yaml localisations across all modules simultaneously. |
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* Note: This will also convert rails yml plurals into symfony standard format. |
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* Acts as a YamlFileLoader, but across a list of modules |
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*/ |
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class ModuleYamlLoader extends ArrayLoader |
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{ |
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/** |
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* Message reader |
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* |
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* @var Reader |
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*/ |
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protected $reader = null; |
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public function load($resource, $locale, $domain = 'messages') |
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{ |
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$messages = []; |
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foreach ($resource as $path) { |
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// Note: already-loaded messages have higher priority |
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$messages = array_merge( |
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$this->loadMessages($path, $locale), |
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$messages |
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); |
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} |
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ksort($messages); |
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$catalog = parent::load($messages, $locale, $domain); |
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// Ensure this catalog is invalidated on flush |
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$catalog->addResource(new FlushInvalidatedResource()); |
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return $catalog; |
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} |
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/** |
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* @return Reader |
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*/ |
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public function getReader() |
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{ |
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return $this->reader; |
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} |
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/** |
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* @param Reader $reader |
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* @return $this |
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*/ |
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public function setReader(Reader $reader) |
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{ |
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$this->reader = $reader; |
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return $this; |
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} |
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/** |
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* Load messages |
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* |
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* @param string $path |
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* @param string $locale |
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* @return array |
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*/ |
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protected function loadMessages($path, $locale) |
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{ |
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$filePath = $path . $locale . '.yml'; |
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$messages = $this->getReader()->read($locale, $filePath); |
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return $this->normaliseMessages($messages, $locale); |
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} |
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/** |
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* Normalises plurals in messages from rails-yaml format to symfony. |
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* |
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* @param array $messages List of messages |
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* @param string $locale |
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* @return array Normalised messages |
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*/ |
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protected function normaliseMessages($messages, $locale) |
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{ |
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foreach ($messages as $key => $value) { |
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if (is_array($value)) { |
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$messages[$key] = $this->normalisePlurals($key, $value, $locale); |
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} |
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} |
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return $messages; |
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} |
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/** |
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* Normalise rails-yaml plurals into pipe-separated rules |
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* |
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* @link http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html |
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* @link http://guides.rubyonrails.org/i18n.html#pluralization |
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* @link http://symfony.com/doc/current/components/translation/usage.html#component-translation-pluralization |
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* |
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* @param string $key |
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* @param array $map |
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* @param string $locale |
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* @return string |
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*/ |
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protected function normalisePlurals($key, $map, $locale) |
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{ |
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$parts = []; |
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foreach (i18n::config()->get('plurals') as $form) { |
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if (isset($map[$form])) { |
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$parts[] = $map[$form]; |
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} |
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} |
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// Non-associative plural, just keep in same order |
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if (empty($parts)) { |
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return $parts = $map; |
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} |
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// Warn if mismatched plural forms |
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if (count($map) !== count($parts)) { |
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trigger_error("Plural form {$locale}.{$key} has invalid plural keys", E_USER_WARNING); |
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} |
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return implode('|', $parts); |
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} |
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} |
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silverstripe /
silverstripe-framework
