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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\Plugins\MediaEmbed\Configurator;
   9  
  10  use DOMXPath;
  11  use s9e\TextFormatter\Configurator\Helpers\TemplateLoader;
  12  use s9e\TextFormatter\Plugins\MediaEmbed\Configurator\TemplateGenerators\Choose;
  13  use s9e\TextFormatter\Plugins\MediaEmbed\Configurator\TemplateGenerators\Flash;
  14  use s9e\TextFormatter\Plugins\MediaEmbed\Configurator\TemplateGenerators\Iframe;
  15  
  16  class TemplateBuilder
  17  {
  18      /**
  19      * @var array Generator names as keys, generators as values
  20      */
  21      protected $templateGenerators = [];
  22  
  23      /**
  24      * Constructor
  25      */
  26  	public function __construct()
  27      {
  28          $this->templateGenerators['choose'] = new Choose($this);
  29          $this->templateGenerators['flash']  = new Flash;
  30          $this->templateGenerators['iframe'] = new Iframe;
  31      }
  32  
  33      /**
  34      * Generate and return a template for given site
  35      *
  36      * @param  string $siteId
  37      * @param  array  $siteConfig
  38      * @return string
  39      */
  40  	public function build($siteId, array $siteConfig)
  41      {
  42          return $this->addSiteId($siteId, $this->getTemplate($siteConfig));
  43      }
  44  
  45      /**
  46      * Generate and return a template based on given config
  47      *
  48      * @param  array  $config
  49      * @return string
  50      */
  51  	public function getTemplate(array $config)
  52      {
  53          foreach ($this->templateGenerators as $type => $generator)
  54          {
  55              if (isset($config[$type]))
  56              {
  57                  return $generator->getTemplate($config[$type]);
  58              }
  59          }
  60  
  61          return '';
  62      }
  63  
  64      /**
  65      * Added the siteId value to given template in a data-s9e-mediaembed attribute
  66      *
  67      * @param  string $siteId   Site ID
  68      * @param  string $template Original template
  69      * @return string           Modified template
  70      */
  71  	protected function addSiteId($siteId, $template)
  72      {
  73          $dom   = TemplateLoader::load($template);
  74          $xpath = new DOMXPath($dom);
  75          $query = '//*[namespace-uri() != "' . TemplateLoader::XMLNS_XSL . '"]'
  76                 . '[not(ancestor::*[namespace-uri() != "' . TemplateLoader::XMLNS_XSL . '"])]';
  77          foreach ($xpath->query($query) as $element)
  78          {
  79              $element->setAttribute('data-s9e-mediaembed', $siteId);
  80          }
  81  
  82          return TemplateLoader::save($dom);
  83      }
  84  }