/**
* Convenience wrapper for the data source object's moveToOffset() method.
*
* @param integer $offset Destination byte offset.
* @throws \ZendPdf\Exception\ExceptionInterface
*/
public function moveToOffset($offset)
{
$this->_dataSource->moveToOffset($offset);
}
/**
* Seeks the file read position to the specified byte offset.
*
* Throws an exception if the file pointer cannot be moved or if it is
* moved beyond EOF (end of file).
*
* @param integer $offset Destination byte offset.
* @throws \ZendPdf\Exception\ExceptionInterface
*/
public function moveToOffset($offset)
{
if ($this->_offset == $offset) {
return;
// Not moving; do nothing.
}
parent::moveToOffset($offset);
$result = @fseek($this->_fileResource, $offset, SEEK_SET);
if ($result !== 0) {
throw new Exception\IOException('Error while setting new file position');
}
if (feof($this->_fileResource)) {
throw new Exception\IOException('Moved beyond the end of the file');
}
}