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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   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 Symfony\Component\Config\Definition\Builder;
  13  
  14  /**
  15   * This class builds normalization conditions.
  16   *
  17   * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  18   */
  19  class NormalizationBuilder
  20  {
  21      protected $node;
  22      public $before;
  23      public $remappings;
  24  
  25      /**
  26       * Constructor.
  27       *
  28       * @param NodeDefinition $node The related node
  29       */
  30      public function __construct(NodeDefinition $node)
  31      {
  32          $this->node = $node;
  33          $this->keys = false;
  34          $this->remappings = array();
  35          $this->before = array();
  36      }
  37  
  38      /**
  39       * Registers a key to remap to its plural form.
  40       *
  41       * @param string $key    The key to remap
  42       * @param string $plural The plural of the key in case of irregular plural
  43       *
  44       * @return NormalizationBuilder
  45       */
  46      public function remap($key, $plural = null)
  47      {
  48          $this->remappings[] = array($key, null === $plural ? $key.'s' : $plural);
  49  
  50          return $this;
  51      }
  52  
  53      /**
  54       * Registers a closure to run before the normalization or an expression builder to build it if null is provided.
  55       *
  56       * @param \Closure $closure
  57       *
  58       * @return ExprBuilder|NormalizationBuilder
  59       */
  60      public function before(\Closure $closure = null)
  61      {
  62          if (null !== $closure) {
  63              $this->before[] = $closure;
  64  
  65              return $this;
  66          }
  67  
  68          return $this->before[] = new ExprBuilder($this->node);
  69      }
  70  }