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<?php |
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/* |
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* This file is part of the PHP Translation package. |
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* |
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* (c) PHP Translation team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Translation\Extractor\Visitor\Twig; |
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use Symfony\Bridge\Twig\Node\TransNode; |
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use Translation\Extractor\Model\Error; |
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use Translation\Extractor\Model\SourceCollection; |
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use Translation\Extractor\Model\SourceLocation; |
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/** |
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* The Worker tha actually extract the translations. |
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* |
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* @author Tobias Nyholm <[email protected]> |
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* @author Fabien Potencier <[email protected]> |
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*/ |
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final class Worker |
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{ |
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const UNDEFINED_DOMAIN = 'messages'; |
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private $stack = []; |
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/** |
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* @param \Twig_Node|\Twig_NodeInterface $node |
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* @param SourceCollection $collection |
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* @param callable $getAbsoluteFilePath |
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* |
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* @return \Twig_Node|\Twig_NodeInterface |
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*/ |
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public function work($node, SourceCollection $collection, callable $getAbsoluteFilePath) |
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{ |
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$this->stack[] = $node; |
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if ($node instanceof \Twig_Node_Expression_Filter && $node->getNode('node') instanceof \Twig_Node_Expression_Constant) { |
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$domain = null; |
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if ('trans' === $node->getNode('filter')->getAttribute('value')) { |
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$domain = $this->getReadDomainFromArguments($node->getNode('arguments'), 1); |
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} elseif ('transchoice' === $node->getNode('filter')->getAttribute('value')) { |
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$domain = $this->getReadDomainFromArguments($node->getNode('arguments'), 2); |
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} |
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if ($domain) { |
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try { |
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$context = $this->extractContextFromJoinedFilters(); |
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} catch (\LogicException $e) { |
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$collection->addError(new Error($e->getMessage(), $getAbsoluteFilePath(), $node->getTemplateLine())); |
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} |
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$context['domain'] = $domain; |
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$collection->addLocation( |
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new SourceLocation( |
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$node->getNode('node')->getAttribute('value'), |
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$getAbsoluteFilePath(), |
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$node->getTemplateLine(), |
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$context |
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) |
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); |
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} |
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} elseif ($node instanceof TransNode) { |
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// extract trans nodes |
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$domain = self::UNDEFINED_DOMAIN; |
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if ($node->hasNode('domain') && null !== $node->getNode('domain')) { |
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$domain = $this->getReadDomainFromNode($node->getNode('domain')); |
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} |
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$collection->addLocation(new SourceLocation( |
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$node->getNode('body')->getAttribute('data'), |
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$getAbsoluteFilePath(), |
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$node->getTemplateLine(), |
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['domain' => $domain] |
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)); |
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} |
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return $node; |
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} |
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/** |
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* @return array |
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*/ |
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private function extractContextFromJoinedFilters() |
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{ |
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$context = []; |
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for ($i = count($this->stack) - 2; $i >= 0; $i -= 1) { |
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if (!$this->stack[$i] instanceof \Twig_Node_Expression_Filter) { |
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break; |
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} |
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$name = $this->stack[$i]->getNode('filter')->getAttribute('value'); |
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if ('trans' === $name) { |
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break; |
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} elseif ('desc' === $name) { |
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$arguments = $this->stack[$i]->getNode('arguments'); |
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if (!$arguments->hasNode(0)) { |
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throw new \LogicException(sprintf('The "%s" filter requires exactly one argument, the description text.', $name)); |
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} |
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$text = $arguments->getNode(0); |
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if (!$text instanceof \Twig_Node_Expression_Constant) { |
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throw new \LogicException(sprintf('The first argument of the "%s" filter must be a constant expression, such as a string.', $name)); |
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} |
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$context['desc'] = $text->getAttribute('value'); |
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} |
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} |
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return $context; |
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} |
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/** |
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* @param \Twig_Node $arguments |
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* @param int $index |
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* |
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* @return string|null |
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*/ |
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private function getReadDomainFromArguments(\Twig_Node $arguments, $index) |
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{ |
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View Code Duplication |
if ($arguments->hasNode('domain')) { |
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$argument = $arguments->getNode('domain'); |
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} elseif ($arguments->hasNode($index)) { |
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$argument = $arguments->getNode($index); |
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} else { |
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return self::UNDEFINED_DOMAIN; |
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} |
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return $this->getReadDomainFromNode($argument); |
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} |
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/** |
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* @param \Twig_Node $node |
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* |
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* @return string|null |
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*/ |
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private function getReadDomainFromNode(\Twig_Node $node) |
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{ |
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if ($node instanceof \Twig_Node_Expression_Constant) { |
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return $node->getAttribute('value'); |
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} |
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return self::UNDEFINED_DOMAIN; |
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} |
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} |
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php-translation /
extractor
Loading history...
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: