1 <?php

2 namespace ‪TYPO3\CMS\Extensionmanager\Utility\Parser;

3 

4 /*

5  * This file is part of the TYPO3 CMS project.

6  *

7  * It is free software; you can redistribute it and/or modify it under

8  * the terms of the GNU General Public License, either version 2

9  * of the License, or any later version.

10  *

11  * For the full copyright and license information, please read the

12  * LICENSE.txt file that was distributed with this source code.

13  *

14  * The TYPO3 project - inspiring people to share!

15  */

16 

21 abstract class ‪AbstractXmlParser implements \SplSubject

22 {

28  protected ‪$objXml;

29 

36  protected ‪$requiredPhpExtensions;

37 

43  protected ‪$observers = [];

44 

51  public function ‪attach(\SplObserver $observer)

52  {

53  $this->observers[] = $observer;

54  }

55 

62  public function ‪detach(\SplObserver $observer)

63  {

64  $key = array_search($observer, $this->observers, true);

65  if ($key !== false) {

66  unset($this->observers[$key]);

67  }

68  }

69 

75  public function ‪notify()

76  {

77  foreach ($this->observers as $observer) {

78  $observer->update($this);

79  }

80  }

81 

89  public function ‪isAvailable()

90  {

91  $isAvailable = true;

92  if (!extension_loaded($this->requiredPhpExtensions)) {

93  $prefix = PHP_SHLIB_SUFFIX === 'dll' ? 'php_' : '';

94  if (!(((bool)ini_get('enable_dl') && !(bool)ini_get('safe_mode')) && function_exists('dl') && dl($prefix . $this->requiredPhpExtensions . PHP_SHLIB_SUFFIX))) {

95  $isAvailable = false;

96  }

97  }

98  return $isAvailable;

99  }

100 

107  abstract public function ‪parseXml($file);

108 

112  abstract protected function ‪createParser();

113 }