Index: t3lib/class.t3lib_extmgm.php
===================================================================
--- t3lib/class.t3lib_extmgm.php	(revision 6712)
+++ t3lib/class.t3lib_extmgm.php	(working copy)
@@ -230,6 +230,24 @@
 	}
 
 
+	/**
+	 * Resolves an extension path, used for all the methods and functions that have EXT:myext/file_or_path/
+	 * 
+	 * @param	$path	string	the string like EXT:myext/pi1/class.tx_myext_pi1.php
+	 * @param	$resolveFullPath	string	whether the absolute path (prepending PATH_site) should be shown or not
+	 * @return	string	the string with the resolved path
+	 */
+	public static function resolvePath($path, $resolveFullPath = false) {
+		if (t3lib_div::isFirstPartOfStr('EXT:', $path)) {
+			list($extKey, $local) = explode('/', substr($path, 4), 2);
+			if (strcmp($extKey, '') && self::isLoaded($extKey) && strcmp($local, '')) {
+				$path = ($resolveFullPath ? self::extPath($extKey) : self::extRelPath($extKey)) . $local;
+			}
+			return $path;
+		} else {
+			return ($resolveFullPath ? PATH_site : '') . $path;
+		}
+	}