/**
  * Returns DOMElement from crawler instance.
  *
  * @param Crawler $crawler
  *
  * @return \DOMElement
  *
  * @throws DriverException when the node does not exist
  */
 private function getCrawlerNode(Crawler $crawler)
 {
     $node = null;
     if ($crawler instanceof \Iterator) {
         // for symfony 2.3 compatibility as getNode is not public before symfony 2.4
         $crawler->rewind();
         $node = $crawler->current();
     } else {
         $node = $crawler->getNode(0);
     }
     if (null !== $node) {
         return $node;
     }
     throw new DriverException('The element does not exist');
 }
Ejemplo n.º 2
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 /**
  * Iterates over all properties of current item
  */
 public function walkProperties($callback)
 {
     $crawler = new Crawler($this->crawler->current());
     return $crawler->filter('item property')->each(function ($e) use($callback) {
         $sxml = simplexml_import_dom($e);
         $callback(current($sxml->attributes()) + array('@value' => (string) $sxml));
     });
 }
 /**
  * @param $content string
  *
  * @return string
  */
 private function removeLastItem($content)
 {
     $document = new \DOMDocument('1.0', \Yii::$app->charset);
     $crawler = new Crawler();
     $crawler->addHTMLContent($content, \Yii::$app->charset);
     $root = $document->appendChild($document->createElement('_root'));
     $crawler->rewind();
     $root->appendChild($document->importNode($crawler->current(), true));
     $domxpath = new \DOMXPath($document);
     $crawlerInverse = $domxpath->query(CssSelector::toXPath($this->widgetItem . ':last-child'));
     foreach ($crawlerInverse as $key => $elementToRemove) {
         $parent = $elementToRemove->parentNode;
         $parent->removeChild($elementToRemove);
     }
     $crawler->clear();
     $crawler->add($document);
     return $crawler->filter('body')->eq(0)->html();
 }
Ejemplo n.º 4
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 /**
  * Returns DOMElement from crawler instance.
  *
  * @param Crawler $crawler
  *
  * @return \DOMElement
  *
  * @throws DriverException when the node does not exist
  */
 private function getCrawlerNode(Crawler $crawler)
 {
     $crawler->rewind();
     $node = $crawler->current();
     if (null !== $node) {
         return $node;
     }
     throw new DriverException('The element does not exist');
 }
Ejemplo n.º 5
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 /**
  * (PHP 5 &gt;= 5.0.0)<br/>
  * Return the current element
  * @link http://php.net/manual/en/iterator.current.php
  * @return mixed Can return any type.
  */
 public function current()
 {
     $node = $this->crawler->current();
     $data = $this->extractor->extract($node);
     return $data;
 }