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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 Moontoast\Math\BigNumber;
  18  use Ramsey\Uuid\Converter\NumberConverterInterface;
  19  
  20  /**
  21   * BigNumberConverter converts UUIDs from hexadecimal characters into
  22   * moontoast/math `BigNumber` representations of integers and vice versa
  23   */
  24  class BigNumberConverter implements NumberConverterInterface
  25  {
  26      /**
  27       * Converts a hexadecimal number into a `Moontoast\Math\BigNumber` representation
  28       *
  29       * @param string $hex The hexadecimal string representation to convert
  30       * @return BigNumber
  31       */
  32      public function fromHex($hex)
  33      {
  34          $number = BigNumber::convertToBase10($hex, 16);
  35  
  36          return new BigNumber($number);
  37      }
  38  
  39      /**
  40       * Converts an integer or `Moontoast\Math\BigNumber` integer representation
  41       * into a hexadecimal string representation
  42       *
  43       * @param int|string|BigNumber $integer An integer or `Moontoast\Math\BigNumber`
  44       * @return string Hexadecimal string
  45       */
  46      public function toHex($integer)
  47      {
  48          if (!$integer instanceof BigNumber) {
  49              $integer = new BigNumber($integer);
  50          }
  51  
  52          return BigNumber::convertFromBase10($integer, 16);
  53      }
  54  }