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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 OptimizeNestedConditionals extends AbstractNormalization
  11  {
  12      protected $queries = ['//xsl:choose/xsl:otherwise[count(node()) = 1]/xsl:choose'];
  13  	protected function normalizeElement(DOMElement $element)
  14      {
  15          $otherwise   = $element->parentNode;
  16          $outerChoose = $otherwise->parentNode;
  17          while ($element->firstChild)
  18              $outerChoose->appendChild($element->removeChild($element->firstChild));
  19          $outerChoose->removeChild($otherwise);
  20      }
  21  }