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<?php /* * This file is part of Twig. * * (c) Fabien Potencier * (c) Armin Ronacher * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace WPML\Core\Twig\TokenParser; use WPML\Core\Twig\Error\SyntaxError; use WPML\Core\Twig\Node\BlockNode; use WPML\Core\Twig\Node\BlockReferenceNode; use WPML\Core\Twig\Node\Node; use WPML\Core\Twig\Node\PrintNode; use WPML\Core\Twig\Token; /** * Marks a section of a template as being reusable. * * {% block head %} * <link rel="stylesheet" href="style.css" /> * <title>{% block title %}{% endblock %} - My Webpage</title> * {% endblock %} * * @final */ class BlockTokenParser extends \WPML\Core\Twig\TokenParser\AbstractTokenParser { public function parse(\WPML\Core\Twig\Token $token) { $lineno = $token->getLine(); $stream = $this->parser->getStream(); $name = $stream->expect(\WPML\Core\Twig\Token::NAME_TYPE)->getValue(); if ($this->parser->hasBlock($name)) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf("The block '%s' has already been defined line %d.", $name, $this->parser->getBlock($name)->getTemplateLine()), $stream->getCurrent()->getLine(), $stream->getSourceContext()); } $this->parser->setBlock($name, $block = new \WPML\Core\Twig\Node\BlockNode($name, new \WPML\Core\Twig\Node\Node([]), $lineno)); $this->parser->pushLocalScope(); $this->parser->pushBlockStack($name); if ($stream->nextIf(\WPML\Core\Twig\Token::BLOCK_END_TYPE)) { $body = $this->parser->subparse([$this, 'decideBlockEnd'], \true); if ($token = $stream->nextIf(\WPML\Core\Twig\Token::NAME_TYPE)) { $value = $token->getValue(); if ($value != $name) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Expected endblock for block "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext()); } } } else { $body = new \WPML\Core\Twig\Node\Node([new \WPML\Core\Twig\Node\PrintNode($this->parser->getExpressionParser()->parseExpression(), $lineno)]); } $stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE); $block->setNode('body', $body); $this->parser->popBlockStack(); $this->parser->popLocalScope(); return new \WPML\Core\Twig\Node\BlockReferenceNode($name, $lineno, $this->getTag()); } public function decideBlockEnd(\WPML\Core\Twig\Token $token) { return $token->test('endblock'); } public function getTag() { return 'block'; } } \class_alias('WPML\\Core\\Twig\\TokenParser\\BlockTokenParser', 'WPML\\Core\\Twig_TokenParser_Block');
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