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   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  namespace Doctrine\Inflector;
   6  
   7  use Doctrine\Inflector\Rules\Ruleset;
   8  
   9  use function array_merge;
  10  
  11  /**
  12   * Inflects based on multiple rulesets.
  13   *
  14   * Rules:
  15   * - If the word matches any uninflected word pattern, it is not inflected
  16   * - The first ruleset that returns a different value for an irregular word wins
  17   * - The first ruleset that returns a different value for a regular word wins
  18   * - If none of the above match, the word is left as-is
  19   */
  20  class RulesetInflector implements WordInflector
  21  {
  22      /** @var Ruleset[] */
  23      private $rulesets;
  24  
  25      public function __construct(Ruleset $ruleset, Ruleset ...$rulesets)
  26      {
  27          $this->rulesets = array_merge([$ruleset], $rulesets);
  28      }
  29  
  30      public function inflect(string $word): string
  31      {
  32          if ($word === '') {
  33              return '';
  34          }
  35  
  36          foreach ($this->rulesets as $ruleset) {
  37              if ($ruleset->getUninflected()->matches($word)) {
  38                  return $word;
  39              }
  40  
  41              $inflected = $ruleset->getIrregular()->inflect($word);
  42  
  43              if ($inflected !== $word) {
  44                  return $inflected;
  45              }
  46  
  47              $inflected = $ruleset->getRegular()->inflect($word);
  48  
  49              if ($inflected !== $word) {
  50                  return $inflected;
  51              }
  52          }
  53  
  54          return $word;
  55      }
  56  }