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Differences Between: [Versions 310 and 311] [Versions 39 and 311]

   1  <?php
   2  
   3  /**
   4   * This file is part of FPDI
   5   *
   6   * @package   setasign\Fpdi
   7   * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
   8   * @license   http://opensource.org/licenses/mit-license The MIT License
   9   */
  10  
  11  namespace setasign\Fpdi\PdfParser\Type;
  12  
  13  use setasign\Fpdi\PdfParser\StreamReader;
  14  
  15  /**
  16   * Class representing a hexadecimal encoded PDF string object
  17   */
  18  class PdfHexString extends PdfType
  19  {
  20      /**
  21       * Parses a hexadecimal string object from the stream reader.
  22       *
  23       * @param StreamReader $streamReader
  24       * @return bool|self
  25       */
  26      public static function parse(StreamReader $streamReader)
  27      {
  28          $bufferOffset = $streamReader->getOffset();
  29  
  30          while (true) {
  31              $buffer = $streamReader->getBuffer(false);
  32              $pos = \strpos($buffer, '>', $bufferOffset);
  33              if ($pos === false) {
  34                  if (!$streamReader->increaseLength()) {
  35                      return false;
  36                  }
  37                  continue;
  38              }
  39  
  40              break;
  41          }
  42  
  43          $result = \substr($buffer, $bufferOffset, $pos - $bufferOffset);
  44          $streamReader->setOffset($pos + 1);
  45  
  46          $v = new self();
  47          $v->value = $result;
  48  
  49          return $v;
  50      }
  51  
  52      /**
  53       * Helper method to create an instance.
  54       *
  55       * @param string $string The hex encoded string.
  56       * @return self
  57       */
  58      public static function create($string)
  59      {
  60          $v = new self();
  61          $v->value = $string;
  62  
  63          return $v;
  64      }
  65  
  66      /**
  67       * Ensures that the passed value is a PdfHexString instance.
  68       *
  69       * @param mixed $hexString
  70       * @return self
  71       * @throws PdfTypeException
  72       */
  73      public static function ensure($hexString)
  74      {
  75          return PdfType::ensureType(self::class, $hexString, 'Hex string value expected.');
  76      }
  77  }