vendor/gglnx/twig-try-catch/src/TokenParser/TryCatchTokenParser.php line 40

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  1. <?php
  3. /**
  4. * Twig Try Catch
  5. *
  6. * @copyright 2022 Dennis Morhardt <info@dennismorhardt.de>
  7. * @copyright 2015-2022 Trilby Media, LLC
  8. * @license MIT License; see LICENSE file for details.
  9. */
  11. namespace Gglnx\TwigTryCatch\TokenParser;
  13. use Gglnx\TwigTryCatch\Node\TryCatchNode;
  14. use Twig\Token;
  15. use Twig\TokenParser\AbstractTokenParser;
  17. /**
  18. * Adds parser for try/catch syntax.
  19. *
  20. * <pre>
  21. * {% try %}
  22. * <li>{{ user.get('name') }}</li>
  23. * {% catch %}
  24. * {{ e.message }}
  25. * {% endcatch %}
  26. * </pre>
  27. *
  28. * @author Dennis Morhardt <info@dennismorhardt.de>
  29. * @package Gglnx\TwigTryCatch\TokenParser
  30. */
  31. class TryCatchTokenParser extends AbstractTokenParser
  32. {
  33. /**
  34. * Parses a token and returns a node.
  35. *
  36. * @param Token $token
  37. * @return TryCatchNode
  38. * @throws SyntaxError
  39. */
  40. public function parse(Token $token)
  41. {
  42. $lineno = $token->getLine();
  43. $stream = $this->parser->getStream();
  45. $stream->expect(Token::BLOCK_END_TYPE);
  46. $try = $this->parser->subparse([$this, 'decideCatch']);
  47. $stream->next();
  48. $stream->expect(Token::BLOCK_END_TYPE);
  49. $catch = $this->parser->subparse([$this, 'decideEnd']);
  50. $stream->next();
  51. $stream->expect(Token::BLOCK_END_TYPE);
  53. return new TryCatchNode($try, $catch, $lineno, $this->getTag());
  54. }
  56. /**
  57. * @param Token $token
  58. * @return bool
  59. */
  60. public function decideCatch(Token $token): bool
  61. {
  62. return $token->test(['catch']);
  63. }
  65. /**
  66. * @param Token $token
  67. * @return bool
  68. */
  69. public function decideEnd(Token $token): bool
  70. {
  71. return $token->test(['endtry']) || $token->test(['endcatch']);
  72. }
  74. /**
  75. * Gets the tag name associated with this token parser.
  76. *
  77. * @return string The tag name
  78. */
  79. public function getTag(): string
  80. {
  81. return 'try';
  82. }
  83. }