vendor/twig/twig/src/TokenParser/SetTokenParser.php line 58

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  1. <?php
  3. /*
  4. * This file is part of Twig.
  5. *
  6. * (c) Fabien Potencier
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Twig\TokenParser;
  14. use Twig\Error\SyntaxError;
  15. use Twig\Node\SetNode;
  16. use Twig\Token;
  18. /**
  19. * Defines a variable.
  20. *
  21. * {% set foo = 'foo' %}
  22. * {% set foo = [1, 2] %}
  23. * {% set foo = {'foo': 'bar'} %}
  24. * {% set foo = 'foo' ~ 'bar' %}
  25. * {% set foo, bar = 'foo', 'bar' %}
  26. * {% set foo %}Some content{% endset %}
  27. */
  28. final class SetTokenParser extends AbstractTokenParser
  29. {
  30. public function parse(Token $token)
  31. {
  32. $lineno = $token->getLine();
  33. $stream = $this->parser->getStream();
  34. $names = $this->parser->getExpressionParser()->parseAssignmentExpression();
  36. $capture = false;
  37. if ($stream->nextIf(/* Token::OPERATOR_TYPE */ 8, '=')) {
  38. $values = $this->parser->getExpressionParser()->parseMultitargetExpression();
  40. $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
  42. if (\count($names) !== \count($values)) {
  43. throw new SyntaxError('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
  44. }
  45. } else {
  46. $capture = true;
  48. if (\count($names) > 1) {
  49. throw new SyntaxError('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
  50. }
  52. $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
  54. $values = $this->parser->subparse([$this, 'decideBlockEnd'], true);
  55. $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
  56. }
  58. return new SetNode($capture, $names, $values, $lineno, $this->getTag());
  59. }
  61. public function decideBlockEnd(Token $token)
  62. {
  63. return $token->test('endset');
  64. }
  66. public function getTag()
  67. {
  68. return 'set';
  69. }
  70. }
  72. class_alias('Twig\TokenParser\SetTokenParser', 'Twig_TokenParser_Set');