Implement previous/nextElementSibling

PhpGt · Apr 27, 2015 · 84c6ca9 · 84c6ca9
1 parent 57acf12
commit 84c6ca9
Showing 1 changed file with 25 additions and 1 deletion.
diff --git a/src/Dom/Node.php b/src/Dom/Node.php
@@ -26,7 +26,9 @@
  * @property-read Node $firstChild
  * @property-read Node $lastChild
  * @property-read Node $previousSibling
+ * @property-read Node $previousElementSibling
  * @property-read Node $nextSibling
+ * @property-read Node $nextElementSibling
  * @property-read DOMNamedNodeMap $attributes
  * @property-read Document $ownerDocument
  * @property Document $document
@@ -136,6 +138,28 @@ public function __get($name) {
 		return html_entity_decode($innerHTML);
 		break;
 
+	case "previousElementSibling":
+		$sibling = $this;
+
+		while(!is_null($sibling)
+		&& !$sibling->domNode instanceof \DOMElement) {
+			$sibling = $sibling->previousSibling;
+		}
+
+		return $sibling;
+		break;
+
+	case "nextElementSibling":
+		$sibling = $this;
+
+		while(!is_null($sibling)
+			&& !$sibling->domNode instanceof \DOMElement) {
+			$sibling = $sibling->nextSibling;
+		}
+
+		return $sibling;
+		break;
+
 	default:
 		if(property_exists($this->domNode, $name)) {
 			$value = $this->domNode->$name;
@@ -508,4 +532,4 @@ public function getElementsByClassName($classNames) {
 	return $this->querySelectorAll($query);
 }
 
-}#
+}#