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   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  /*
   6   * The MIT License (MIT)
   7   *
   8   * Copyright (c) 2014-2019 Spomky-Labs
   9   *
  10   * This software may be modified and distributed under the terms
  11   * of the MIT license.  See the LICENSE file for details.
  12   */
  13  
  14  namespace Cose\Algorithm;
  15  
  16  use Assert\Assertion;
  17  
  18  class ManagerFactory
  19  {
  20      /**
  21       * @var Algorithm[]
  22       */
  23      private $algorithms = [];
  24  
  25      public function add(string $alias, Algorithm $algorithm): void
  26      {
  27          $this->algorithms[$alias] = $algorithm;
  28      }
  29  
  30      public function list(): iterable
  31      {
  32          yield from array_keys($this->algorithms);
  33      }
  34  
  35      public function all(): iterable
  36      {
  37          yield from array_keys($this->algorithms);
  38      }
  39  
  40      public function create(array $aliases): Manager
  41      {
  42          $manager = new Manager();
  43          foreach ($aliases as $alias) {
  44              Assertion::keyExists($this->algorithms, $alias, sprintf('The algorithm with alias "%s" is not supported', $alias));
  45              $manager->add($this->algorithms[$alias]);
  46          }
  47  
  48          return $manager;
  49      }
  50  }