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/vendor/twig/twig/src/TokenParser/ -> SetTokenParser.php (source)

   1  <?php
   2  
   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   */
  11  
  12  namespace Twig\TokenParser;
  13  
  14  use Twig\Error\SyntaxError;
  15  use Twig\Node\SetNode;
  16  use Twig\Token;
  17  
  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
  29   */
  30  class SetTokenParser extends AbstractTokenParser
  31  {
  32      public function parse(Token $token)
  33      {
  34          $lineno = $token->getLine();
  35          $stream = $this->parser->getStream();
  36          $names = $this->parser->getExpressionParser()->parseAssignmentExpression();
  37  
  38          $capture = false;
  39          if ($stream->nextIf(Token::OPERATOR_TYPE, '=')) {
  40              $values = $this->parser->getExpressionParser()->parseMultitargetExpression();
  41  
  42              $stream->expect(Token::BLOCK_END_TYPE);
  43  
  44              if (\count($names) !== \count($values)) {
  45                  throw new SyntaxError('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
  46              }
  47          } else {
  48              $capture = true;
  49  
  50              if (\count($names) > 1) {
  51                  throw new SyntaxError('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
  52              }
  53  
  54              $stream->expect(Token::BLOCK_END_TYPE);
  55  
  56              $values = $this->parser->subparse([$this, 'decideBlockEnd'], true);
  57              $stream->expect(Token::BLOCK_END_TYPE);
  58          }
  59  
  60          return new SetNode($capture, $names, $values, $lineno, $this->getTag());
  61      }
  62  
  63      public function decideBlockEnd(Token $token)
  64      {
  65          return $token->test('endset');
  66      }
  67  
  68      public function getTag()
  69      {
  70          return 'set';
  71      }
  72  }
  73  
  74  class_alias('Twig\TokenParser\SetTokenParser', 'Twig_TokenParser_Set');


Generated: Tue Apr 7 19:42:26 2020 Cross-referenced by PHPXref 0.7.1