X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=inc%2Fclasses%2Finterfaces%2Fio%2Fclass_Streamable.php;h=2c1439321e9826e21f792c34c18d2160faf2cb22;hb=a1a6fe495d2e61dee317af1b45ee6821eb0027e5;hp=71ee8eb88dd9e236c9a92d7b6f7b0376002474f8;hpb=c3106ae537f1d46274988826a070632a439e2c49;p=core.git

diff --git a/inc/classes/interfaces/io/class_Streamable.php b/inc/classes/interfaces/io/class_Streamable.php
index 71ee8eb8..2c143932 100644
--- a/inc/classes/interfaces/io/class_Streamable.php
+++ b/inc/classes/interfaces/io/class_Streamable.php
@@ -2,11 +2,11 @@
 /**
  * An interface for streams
  *
- * @author		Roland Haeder <webmaster@ship-simu.org>
+ * @author		Roland Haeder <webmaster@shipsimu.org>
  * @version		0.0.0
- * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 Core Developer Team
+ * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
  * @license		GNU GPL 3.0 or any newer version
- * @link		http://www.ship-simu.org
+ * @link		http://www.shipsimu.org
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,6 +22,28 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 interface Streamable extends FrameworkInterface {
+	/**
+	 * Determines seek position
+	 *
+	 * @return	$seekPosition	Current seek position
+	 */
+	function determineSeekPosition ();
+
+	/**
+	 * Seek to given offset (default) or other possibilities as fseek() gives.
+	 *
+	 * @param	$offset		Offset to seek to (or used as "base" for other seeks)
+	 * @param	$whence		Added to offset (default: only use offset to seek to)
+	 * @return	$status		Status of file seek: 0 = success, -1 = failed
+	 */
+	function seek ($offset, $whence = SEEK_SET);
+
+	/**
+	 * Size of file stack
+	 *
+	 * @return	$size	Size (in bytes) of file
+	 */
+	function size ();
 }
 
 // [EOF]