| 2321 | return not eof |
| 2322 | |
| 2323 | def _pack_cookie(self, position, dec_flags=0, |
| 2324 | bytes_to_feed=0, need_eof=False, chars_to_skip=0): |
| 2325 | # The meaning of a tell() cookie is: seek to position, set the |
| 2326 | # decoder flags to dec_flags, read bytes_to_feed bytes, feed them |
| 2327 | # into the decoder with need_eof as the EOF flag, then skip |
| 2328 | # chars_to_skip characters of the decoded result. For most simple |
| 2329 | # decoders, tell() will often just give a byte offset in the file. |
| 2330 | return (position | (dec_flags<<64) | (bytes_to_feed<<128) | |
| 2331 | (chars_to_skip<<192) | bool(need_eof)<<256) |
| 2332 | |
| 2333 | def _unpack_cookie(self, bigint): |
| 2334 | rest, position = divmod(bigint, 1<<64) |