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<?php |
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/** |
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* This file is part of the Superdesk Web Publisher Templates System. |
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* |
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* Copyright 2015 Sourcefabric z.ú. and contributors. |
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* |
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* For the full copyright and license information, please see the |
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* AUTHORS and LICENSE files distributed with this source code. |
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* |
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* @copyright 2015 Sourcefabric z.ú |
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* @license http://www.superdesk.org/license |
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*/ |
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namespace SWP\Component\TemplatesSystem\Twig\TokenParser; |
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use SWP\Component\TemplatesSystem\Twig\Node\GimmeListNode; |
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/** |
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* Parser for gimme/endgimme blocks. |
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*/ |
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class GimmeListTokenParser extends \Twig_TokenParser |
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{ |
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/** |
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* @param \Twig_Token $token |
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* |
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* @return bool |
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*/ |
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public function decideGimmeListEnd(\Twig_Token $token) |
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{ |
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return $token->test('endgimmelist'); |
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} |
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public function decideGimmeListFork(\Twig_Token $token) |
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{ |
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return $token->test(['else', 'endgimmelist']); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getTag() |
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{ |
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return 'gimmelist'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse(\Twig_Token $token) |
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{ |
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$lineno = $token->getLine(); |
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$stream = $this->parser->getStream(); |
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$variable = $this->parser->getExpressionParser()->parseAssignmentExpression(); |
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$stream->expect(\Twig_Token::NAME_TYPE, 'from'); |
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$collectionType = $this->parser->getExpressionParser()->parseAssignmentExpression(); |
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$collectionFilters = null; |
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if ($stream->test(\Twig_Token::PUNCTUATION_TYPE, '|')) { |
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$collectionFilters = $this->parser->getExpressionParser()->parsePostfixExpression($collectionType); |
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} |
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$parameters = null; |
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if ($stream->nextIf(\Twig_Token::NAME_TYPE, 'with')) { |
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$parameters = $this->parser->getExpressionParser()->parseExpression(); |
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} |
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$ifExpression = null; |
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if ($stream->nextIf(\Twig_Token::NAME_TYPE, 'if')) { |
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$ifExpression = $this->parser->getExpressionParser()->parseExpression(); |
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} |
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$stream->expect(\Twig_Token::BLOCK_END_TYPE); |
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$body = $this->parser->subparse([$this, 'decideGimmeListFork']); |
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if ($stream->next()->getValue() == 'else') { |
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$stream->expect(\Twig_Token::BLOCK_END_TYPE); |
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$else = $this->parser->subparse([$this, 'decideGimmeListEnd'], true); |
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} else { |
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$else = null; |
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} |
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$stream->expect(\Twig_Token::BLOCK_END_TYPE); |
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return new GimmeListNode($variable, $collectionType, $collectionFilters, $parameters, $ifExpression, $else, $body, $lineno, $this->getTag()); |
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} |
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} |
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SuperdeskWebPublisher /
templates-system
