*
* @author Roland Haeder <webmaster@ship-simu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub 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
*
* @param $bytes Amount of bytes to read
* @return $data Data read from file
*/
- public function read ($bytes) {
+ public function read ($bytes = NULL) {
// Call block instance
return $this->getBlockInstance()->read($bytes);
}
// Call block instance
return $this->getBlockInstance()->getSeekPosition();
}
+
+ /**
+ * Writes given value to the file and returns a hash and gap position for it
+ *
+ * @param $groupId Group identifier
+ * @param $value Value to be added to the stack
+ * @return $data Hash and gap position
+ */
+ public function writeValueToFile ($groupId, $value) {
+ // Call block instance
+ return $this->getBlockInstance()->writeValueToFile($groupId, $value);
+ }
+
+ /**
+ * Writes given raw data to the file and returns a gap position and length
+ *
+ * @param $groupId Group identifier
+ * @param $hash Hash from encoded value
+ * @param $encoded Encoded value to be written to the file
+ * @return $data Gap position and length of the raw data
+ */
+ public function writeDataToFreeGap ($groupId, $hash, $encoded) {
+ // Call block instance
+ return $this->getBlockInstance()->writeDataToFreeGap($groupId, $hash, $encoded);
+ }
+
+ /**
+ * Searches for next suitable gap the given length of data can fit in
+ * including padding bytes.
+ *
+ * @param $length Length of raw data
+ * @return $seekPosition Found next gap's seek position
+ */
+ public function searchNextGap ($length) {
+ // Call block instance
+ print $this->getBlockInstance()->__toString() . PHP_EOL;
+ return $this->getBlockInstance()->searchNextGap($length);
+ }
}
// [EOF]