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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <[email protected]>
   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\Console\Tester;
  13  
  14  use Symfony\Component\Console\Command\Command;
  15  use Symfony\Component\Console\Completion\CompletionInput;
  16  use Symfony\Component\Console\Completion\CompletionSuggestions;
  17  
  18  /**
  19   * Eases the testing of command completion.
  20   *
  21   * @author Jérôme Tamarelle <[email protected]>
  22   */
  23  class CommandCompletionTester
  24  {
  25      private $command;
  26  
  27      public function __construct(Command $command)
  28      {
  29          $this->command = $command;
  30      }
  31  
  32      /**
  33       * Create completion suggestions from input tokens.
  34       */
  35      public function complete(array $input): array
  36      {
  37          $currentIndex = \count($input);
  38          if ('' === end($input)) {
  39              array_pop($input);
  40          }
  41          array_unshift($input, $this->command->getName());
  42  
  43          $completionInput = CompletionInput::fromTokens($input, $currentIndex);
  44          $completionInput->bind($this->command->getDefinition());
  45          $suggestions = new CompletionSuggestions();
  46  
  47          $this->command->complete($completionInput, $suggestions);
  48  
  49          $options = [];
  50          foreach ($suggestions->getOptionSuggestions() as $option) {
  51              $options[] = '--'.$option->getName();
  52          }
  53  
  54          return array_map('strval', array_merge($options, $suggestions->getValueSuggestions()));
  55      }
  56  }