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   1  <?php
   2  
   3  /**
   4  * @package   s9e\TextFormatter
   5  * @copyright Copyright (c) 2010-2022 The s9e authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\TextFormatter\Configurator\TemplateNormalizations;
   9  
  10  use DOMElement;
  11  
  12  class NormalizeElementNames extends AbstractNormalization
  13  {
  14      /**
  15      * {@inheritdoc}
  16      */
  17      protected $queries = [
  18          '//*[namespace-uri() != $XSL]',
  19          '//xsl:element[not(contains(@name, "{"))]'
  20      ];
  21  
  22      /**
  23      * {@inheritdoc}
  24      */
  25  	protected function normalizeElement(DOMElement $element)
  26      {
  27          if ($this->isXsl($element, 'element'))
  28          {
  29              $this->replaceXslElement($element);
  30          }
  31          else
  32          {
  33              $this->replaceElement($element);
  34          }
  35      }
  36  
  37      /**
  38      * Normalize and replace a non-XSL element if applicable
  39      *
  40      * @param  DOMElement $element
  41      * @return void
  42      */
  43  	protected function replaceElement(DOMElement $element)
  44      {
  45          $elName = $this->lowercase($element->localName);
  46          if ($elName === $element->localName)
  47          {
  48              return;
  49          }
  50  
  51          // Create a new element with the correct name
  52          $newElement = (is_null($element->namespaceURI))
  53                      ? $this->ownerDocument->createElement($elName)
  54                      : $this->ownerDocument->createElementNS($element->namespaceURI, $elName);
  55  
  56          // Move every child to the new element
  57          while ($element->firstChild)
  58          {
  59              $newElement->appendChild($element->removeChild($element->firstChild));
  60          }
  61  
  62          // Copy attributes to the new node
  63          foreach ($element->attributes as $attribute)
  64          {
  65              $newElement->setAttributeNS(
  66                  $attribute->namespaceURI,
  67                  $attribute->nodeName,
  68                  $attribute->value
  69              );
  70          }
  71  
  72          // Replace the old element with the new one
  73          $element->parentNode->replaceChild($newElement, $element);
  74      }
  75  
  76      /**
  77      * Normalize the name used in a xsl:element
  78      *
  79      * @param  DOMElement $element
  80      * @return void
  81      */
  82  	protected function replaceXslElement(DOMElement $element)
  83      {
  84          $elName = $this->lowercase($element->getAttribute('name'));
  85          $element->setAttribute('name', $elName);
  86      }
  87  }