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<?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\TokenParser; use Twig\Error\SyntaxError; use Twig\Node\SetNode; use Twig\Token; /** * Defines a variable. * * {% set foo = 'foo' %} * {% set foo = [1, 2] %} * {% set foo = {'foo': 'bar'} %} * {% set foo = 'foo' ~ 'bar' %} * {% set foo, bar = 'foo', 'bar' %} * {% set foo %}Some content{% endset %} */ final class SetTokenParser extends AbstractTokenParser { public function parse(Token $token) { $lineno = $token->getLine(); $stream = $this->parser->getStream(); $names = $this->parser->getExpressionParser()->parseAssignmentExpression(); $capture = false; if ($stream->nextIf(/* Token::OPERATOR_TYPE */ 8, '=')) { $values = $this->parser->getExpressionParser()->parseMultitargetExpression(); $stream->expect(/* Token::BLOCK_END_TYPE */ 3); if (\count($names) !== \count($values)) { throw new SyntaxError('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()->getLine(), $stream->getSourceContext()); } } else { $capture = true; if (\count($names) > 1) { throw new SyntaxError('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()->getLine(), $stream->getSourceContext()); } $stream->expect(/* Token::BLOCK_END_TYPE */ 3); $values = $this->parser->subparse([$this, 'decideBlockEnd'], true); $stream->expect(/* Token::BLOCK_END_TYPE */ 3); } return new SetNode($capture, $names, $values, $lineno, $this->getTag()); } public function decideBlockEnd(Token $token) { return $token->test('endset'); } public function getTag() { return 'set'; } } class_alias('Twig\TokenParser\SetTokenParser', 'Twig_TokenParser_Set');