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/vendor/symfony/console/Helper/ -> DescriptorHelper.php (source)

   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\Console\Helper;
  13  
  14  use Symfony\Component\Console\Descriptor\DescriptorInterface;
  15  use Symfony\Component\Console\Descriptor\JsonDescriptor;
  16  use Symfony\Component\Console\Descriptor\MarkdownDescriptor;
  17  use Symfony\Component\Console\Descriptor\TextDescriptor;
  18  use Symfony\Component\Console\Descriptor\XmlDescriptor;
  19  use Symfony\Component\Console\Exception\InvalidArgumentException;
  20  use Symfony\Component\Console\Output\OutputInterface;
  21  
  22  /**
  23   * This class adds helper method to describe objects in various formats.
  24   *
  25   * @author Jean-Fran├žois Simon <contact@jfsimon.fr>
  26   */
  27  class DescriptorHelper extends Helper
  28  {
  29      /**
  30       * @var DescriptorInterface[]
  31       */
  32      private $descriptors = [];
  33  
  34      public function __construct()
  35      {
  36          $this
  37              ->register('txt', new TextDescriptor())
  38              ->register('xml', new XmlDescriptor())
  39              ->register('json', new JsonDescriptor())
  40              ->register('md', new MarkdownDescriptor())
  41          ;
  42      }
  43  
  44      /**
  45       * Describes an object if supported.
  46       *
  47       * Available options are:
  48       * * format: string, the output format name
  49       * * raw_text: boolean, sets output type as raw
  50       *
  51       * @param object $object
  52       *
  53       * @throws InvalidArgumentException when the given format is not supported
  54       */
  55      public function describe(OutputInterface $output, $object, array $options = [])
  56      {
  57          $options = array_merge([
  58              'raw_text' => false,
  59              'format' => 'txt',
  60          ], $options);
  61  
  62          if (!isset($this->descriptors[$options['format']])) {
  63              throw new InvalidArgumentException(sprintf('Unsupported format "%s".', $options['format']));
  64          }
  65  
  66          $descriptor = $this->descriptors[$options['format']];
  67          $descriptor->describe($output, $object, $options);
  68      }
  69  
  70      /**
  71       * Registers a descriptor.
  72       *
  73       * @param string $format
  74       *
  75       * @return $this
  76       */
  77      public function register($format, DescriptorInterface $descriptor)
  78      {
  79          $this->descriptors[$format] = $descriptor;
  80  
  81          return $this;
  82      }
  83  
  84      /**
  85       * {@inheritdoc}
  86       */
  87      public function getName()
  88      {
  89          return 'descriptor';
  90      }
  91  }


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