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   1  <?php
   2  
   3  /*
   4  * @package   s9e\TextFormatter
   5  * @copyright Copyright (c) 2010-2019 The s9e Authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\TextFormatter\Configurator\TemplateNormalizations;
   9  use DOMElement;
  10  class MergeConsecutiveCopyOf extends AbstractNormalization
  11  {
  12      protected $queries = ['//xsl:copy-of'];
  13  	protected function normalizeElement(DOMElement $element)
  14      {
  15          while ($this->nextSiblingIsCopyOf($element))
  16          {
  17              $element->setAttribute('select', $element->getAttribute('select') . '|' . $element->nextSibling->getAttribute('select'));
  18              $element->parentNode->removeChild($element->nextSibling);
  19          }
  20      }
  21  	protected function nextSiblingIsCopyOf(DOMElement $element)
  22      {
  23          return ($element->nextSibling && $this->isXsl($element->nextSibling, 'copy-of'));
  24      }
  25  }