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   1  <?php
   2  /*
   3   * This file is part of the PHPASN1 library.
   4   *
   5   * Copyright © Friedrich Große <[email protected]>
   6   *
   7   * For the full copyright and license information, please view the LICENSE
   8   * file that was distributed with this source code.
   9   */
  10  
  11  namespace FG\ASN1\Universal;
  12  
  13  use FG\ASN1\AbstractString;
  14  use FG\ASN1\Identifier;
  15  
  16  class PrintableString extends AbstractString
  17  {
  18      /**
  19       * Creates a new ASN.1 PrintableString.
  20       *
  21       * The ITU-T X.680 Table 8 permits the following characters:
  22       * Latin capital letters A,B, ... Z
  23       * Latin small letters   a,b, ... z
  24       * Digits                0,1, ... 9
  25       * SPACE                 (space)
  26       * APOSTROPHE            '
  27       * LEFT PARENTHESIS      (
  28       * RIGHT PARENTHESIS     )
  29       * PLUS SIGN             +
  30       * COMMA                 ,
  31       * HYPHEN-MINUS          -
  32       * FULL STOP             .
  33       * SOLIDUS               /
  34       * COLON                 :
  35       * EQUALS SIGN           =
  36       * QUESTION MARK         ?
  37       *
  38       * @param string $string
  39       */
  40      public function __construct($string)
  41      {
  42          $this->value = $string;
  43          $this->allowNumbers();
  44          $this->allowAllLetters();
  45          $this->allowSpaces();
  46          $this->allowCharacters("'", '(', ')', '+', '-', '.', ',', '/', ':', '=', '?');
  47      }
  48  
  49      public function getType()
  50      {
  51          return Identifier::PRINTABLE_STRING;
  52      }
  53  }