[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  /*
   6   * The MIT License (MIT)
   7   *
   8   * Copyright (c) 2018-2020 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 CBOR;
  15  
  16  use Brick\Math\BigInteger;
  17  
  18  /**
  19   * @internal
  20   */
  21  abstract class Utils
  22  {
  23      public static function binToInt(string $value): int
  24      {
  25          return self::binToBigInteger($value)->toInt();
  26      }
  27  
  28      public static function binToBigInteger(string $value): BigInteger
  29      {
  30          return self::hexToBigInteger(bin2hex($value));
  31      }
  32  
  33      public static function hexToInt(string $value): int
  34      {
  35          return self::hexToBigInteger($value)->toInt();
  36      }
  37  
  38      public static function hexToBigInteger(string $value): BigInteger
  39      {
  40          return BigInteger::fromBase($value, 16);
  41      }
  42  
  43      public static function hexToString(string $value): string
  44      {
  45          return BigInteger::fromBase(bin2hex($value), 16)->toBase(10);
  46      }
  47  
  48      public static function intToHex(int $value): string
  49      {
  50          return BigInteger::of($value)->toBase(16);
  51      }
  52  }