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   1  <?php
   2  /**
   3   * This file is part of the ramsey/uuid library
   4   *
   5   * For the full copyright and license information, please view the LICENSE
   6   * file that was distributed with this source code.
   7   *
   8   * @copyright Copyright (c) Ben Ramsey <[email protected]>
   9   * @license http://opensource.org/licenses/MIT MIT
  10   * @link https://benramsey.com/projects/ramsey-uuid/ Documentation
  11   * @link https://packagist.org/packages/ramsey/uuid Packagist
  12   * @link https://github.com/ramsey/uuid GitHub
  13   */
  14  
  15  namespace Ramsey\Uuid\Converter\Number;
  16  
  17  use Ramsey\Uuid\Exception\UnsatisfiedDependencyException;
  18  use Ramsey\Uuid\Converter\NumberConverterInterface;
  19  
  20  /**
  21   * DegradedNumberConverter throws `UnsatisfiedDependencyException` exceptions
  22   * if attempting to use number conversion functionality in an environment that
  23   * does not support large integers (i.e. when moontoast/math is not available)
  24   */
  25  class DegradedNumberConverter implements NumberConverterInterface
  26  {
  27      /**
  28       * Throws an `UnsatisfiedDependencyException`
  29       *
  30       * @param string $hex The hexadecimal string representation to convert
  31       * @return void
  32       * @throws UnsatisfiedDependencyException
  33       */
  34      public function fromHex($hex)
  35      {
  36          throw new UnsatisfiedDependencyException(
  37              'Cannot call ' . __METHOD__ . ' without support for large '
  38              . 'integers, since integer is an unsigned '
  39              . '128-bit integer; Moontoast\Math\BigNumber is required.'
  40          );
  41      }
  42  
  43      /**
  44       * Throws an `UnsatisfiedDependencyException`
  45       *
  46       * @param mixed $integer An integer representation to convert
  47       * @return void
  48       * @throws UnsatisfiedDependencyException
  49       */
  50      public function toHex($integer)
  51      {
  52          throw new UnsatisfiedDependencyException(
  53              'Cannot call ' . __METHOD__ . ' without support for large '
  54              . 'integers, since integer is an unsigned '
  55              . '128-bit integer; Moontoast\Math\BigNumber is required. '
  56          );
  57      }
  58  }