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   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 InvalidArgumentException;
  17  
  18  final class ByteStringWithChunkObject extends AbstractCBORObject
  19  {
  20      private const MAJOR_TYPE = 0b010;
  21      private const ADDITIONAL_INFORMATION = 0b00011111;
  22  
  23      /**
  24       * @var ByteStringObject[]
  25       */
  26      private $chunks = [];
  27  
  28      public function __construct()
  29      {
  30          parent::__construct(self::MAJOR_TYPE, self::ADDITIONAL_INFORMATION);
  31      }
  32  
  33      public function __toString(): string
  34      {
  35          $result = parent::__toString();
  36          foreach ($this->chunks as $chunk) {
  37              $result .= (string) $chunk;
  38          }
  39          $bin = hex2bin('FF');
  40          if (false === $bin) {
  41              throw new InvalidArgumentException('Unable to convert the data');
  42          }
  43          $result .= $bin;
  44  
  45          return $result;
  46      }
  47  
  48      public function add(ByteStringObject $chunk): void
  49      {
  50          $this->chunks[] = $chunk;
  51      }
  52  
  53      public function append(string $chunk): void
  54      {
  55          $this->add(new ByteStringObject($chunk));
  56      }
  57  
  58      public function getValue(): string
  59      {
  60          $result = '';
  61          foreach ($this->chunks as $chunk) {
  62              $result .= $chunk->getValue();
  63          }
  64  
  65          return $result;
  66      }
  67  
  68      public function getLength(): int
  69      {
  70          $length = 0;
  71          foreach ($this->chunks as $chunk) {
  72              $length += $chunk->getLength();
  73          }
  74  
  75          return $length;
  76      }
  77  
  78      public function getNormalizedData(bool $ignoreTags = false): string
  79      {
  80          $result = '';
  81          foreach ($this->chunks as $chunk) {
  82              $result .= $chunk->getNormalizedData($ignoreTags);
  83          }
  84  
  85          return $result;
  86      }
  87  }