Remove getChildren function, implement a fake DOMNodeList class. Prepare everything to support newer versions of libxml2

1 files changed, 18 insertions, 0 deletions

diff --git a/src/Nodes/NodeUtility.php b/src/Nodes/NodeUtility.php
index 7a1f18e..631a0aa 100644
--- a/src/Nodes/NodeUtility.php
+++ b/src/Nodes/NodeUtility.php
@@ -5,6 +5,7 @@ namespace andreskrey\Readability\Nodes;
 use andreskrey\Readability\Nodes\DOM\DOMDocument;
 use andreskrey\Readability\Nodes\DOM\DOMElement;
 use andreskrey\Readability\Nodes\DOM\DOMNode;
+use andreskrey\Readability\Nodes\DOM\DOMNodeList;
 
 /**
  * Class NodeUtility.
@@ -157,4 +158,21 @@ class NodeUtility
 
         return ($originalNode) ? $originalNode->nextSibling : $originalNode;
     }
+
+    /**
+     * Remove all empty DOMNodes from DOMNodeLists
+     *
+     * @param \DOMNodeList $list
+     * @return DOMNodeList
+     */
+    public static function filterTextNodes(\DOMNodeList $list)
+    {
+        $newList = new DOMNodeList();
+        foreach($list as $node){
+            if($node->nodeType !== XML_TEXT_NODE || mb_strlen(trim($node->nodeValue))){
+                $newList->add($node);
+            }
+        }
+        return $newList;
+    }
 }