get rid of deprecated getFirstNode calls

Author: Christoph Singer

src/HtmlPage.php

@@ -153,7 +153,7 @@ public function removeMeta($name)
      */
     public function getMeta($name)
     {
-        $node = $this->filterXPath('descendant-or-self::meta[@name = \'' . $name . '\']')->getFirstNode();
+        $node = $this->filterXPath('descendant-or-self::meta[@name = \'' . $name . '\']')->getNode(0);
         if ($node instanceof \DOMElement) {
             return $node->getAttribute('content');
         } else {
@@ -168,7 +168,7 @@ public function getMeta($name)
      */
     public function setBaseHref($url)
     {
-        $node = $this->filterXPath('descendant-or-self::base')->getFirstNode();
+        $node = $this->filterXPath('descendant-or-self::base')->getNode(0);
         if ($node == null) {
             $node = $this->dom->createElement('base');
             $this->getHeadNode()->appendChild($node);
@@ -183,7 +183,7 @@ public function setBaseHref($url)
      */
     public function getBaseHref()
     {
-        $node = $this->filterXPath('descendant-or-self::base')->getFirstNode();
+        $node = $this->filterXPath('descendant-or-self::base')->getNode(0);
         if ($node instanceof \DOMElement) {
             return $node->getAttribute('href');
         } else {

src/HtmlPageCrawler.php

@@ -590,6 +590,7 @@ public function replaceWith($content)
      *
      * @param null|string $text
      * @return string|HtmlPageCrawler
+     * @api
      */
     public function text($text = null)
     {
@@ -897,13 +898,28 @@ public function getFirstNode()
         return $this->getNode(0);
     }
 
+    /**
+     * @param int $position
+     *
+     * overridden from Crawler because it is not public in Symfony 2.3
+     * TODO: throw away as soon as we don't need to support SF 2.3 any more
+     *
+     * @return \DOMElement|null
+     */
+    public function getNode($position)
+    {
+        return parent::getNode($position);
+    }
+
     /**
      * Returns the node name of the first node of the list.
      *
      * in Crawler (parent), this function will be available starting with 2.6.0,
      * therefore this method be removed from here as soon as we don't need to keep compatibility
      * with Symfony < 2.6
      *
+     * TODO: throw away as soon as we don't need to support SF 2.3 any more
+     *
      * @return string The node name
      *
      * @throws \InvalidArgumentException When current node is empty