ODS Reader

Spout can now read ODS files.
It's on par with the XLSX reader. The only difference is that the row iterator cannot be rewound.
It supports the different output formats from LibreOffice and Excel, skipping extra rows/cells if needed.

src/Spout/Reader/Wrapper/XMLReader.php

@@ -138,4 +138,22 @@ class XMLReader extends \XMLReader
 
         return $wasNextSuccessful;
     }
+
+    /**
+     * @param string $nodeName
+     * @return bool Whether the XML Reader is currently positioned on the starting node with given name
+     */
+    public function isPositionedOnStartingNode($nodeName)
+    {
+        return ($this->nodeType === XMLReader::ELEMENT && $this->name === $nodeName);
+    }
+
+    /**
+     * @param string $nodeName
+     * @return bool Whether the XML Reader is currently positioned on the ending node with given name
+     */
+    public function isPositionedOnEndingNode($nodeName)
+    {
+        return ($this->nodeType === XMLReader::END_ELEMENT && $this->name === $nodeName);
+    }
 }