Method seek

lang/php/lib/IO/AvroStringIO.php:153–183

* @returns boolean true if successful * @throws AvroIOException if the seek failed. */

($offset, $whence = self::SEEK_SET)

     * @throws AvroIOException if the seek failed.
     */
    public function seek($offset, $whence = self::SEEK_SET): bool
    {
        if (!is_int($offset)) {
            throw new AvroIOException('Seek offset must be an integer.');
        }
        // Prevent seeking before BOF
        switch ($whence) {
            case self::SEEK_SET:
                if (0 > $offset) {
                    throw new AvroIOException('Cannot seek before beginning of file.');
                }
                $this->current_index = $offset;
                break;
            case self::SEEK_CUR:
                if (0 > $this->current_index + $whence) {
                    throw new AvroIOException('Cannot seek before beginning of file.');
                }
                $this->current_index += $offset;
                break;
            case self::SEEK_END:
                if (0 > $this->length() + $offset) {
                    throw new AvroIOException('Cannot seek before beginning of file.');
                }
                $this->current_index = $this->length() + $offset;
                break;
            default:
                throw new AvroIOException(sprintf('Invalid seek whence %d', $whence));
        }

        return true;
    }

    /**
     * @returns int