voku / swiftmailer

     *

     * @return string

     */

    public function readLine($sequence)

    {

        if (isset($this->_out) && !feof($this->_out)) {

            $line = fgets($this->_out);

            if (!$line) {

                $metas = stream_get_meta_data($this->_out);

                if ($metas['timed_out']) {

                    throw new Swift_IoException('Connection to ' . $this->_getReadConnectionDescription() . ' Timed Out');

                }

            }

            return $line;

        }

    }

    /**

     * Reads $length bytes from the stream into a string and moves the pointer

     *

     * @return string|null

     */

    public function read($length)

    {

        if (isset($this->_out) && !feof($this->_out)) {

            $ret = fread($this->_out, $length);

            if (!$ret) {

                $metas = stream_get_meta_data($this->_out);

                if ($metas['timed_out']) {

                    throw new Swift_IoException(

                        'Connection to ' . $this->_getReadConnectionDescription() . ' Timed Out'

                    );

                }

            }

            return $ret;

        }

    }

    /** Not implemented */

    public function setReadPointer($byteOffset)