how to:
test_hash = {"do_we_test?" => true,
"more_data" => [
1.2,
2.3,
nil,
],
1428 => false,
:another_key => "data string",
}
data = __test_serialize(test_hash)
__debug_save(data, "debug_data.bin")legend:
| u | unsigned |
| s | signed |
| le | little endian |
| be | big endian |
| … | not representable ASCII |
| θ | 0 / NULL |
| type | size (in bytes) | representation |
|---|---|---|
| byte | 1 | u, le |
| mrb_int | 8 | s, le |
| mrb_float | 8 | s, le |
| st_counter_t | 2 | u, le |
| ruby type | id |
|---|---|
| ST_FALSE | 0 |
| ST_TRUE | 1 |
| ST_INT | 2 |
| ST_FLOAT | 3 |
| ST_SYMBOL | 4 |
| ST_HASH | 5 |
| ST_ARRAY | 6 |
| ST_STRING | 7 |
| ST_UNDEF (unused) | 8 |
| ST_NIL | 9 |
every ruby types uses one byte for identification
example data:
| | 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F | ASCII | | text |
|------------------------------------------------------|------------------|
| 00 | 05 04 00 07 0C 00 64 6F 5F 77 65 5F 74 65 73 74 | ……θ……θdo_we_test |
| 10 | 3F 00 01 07 0A 00 6D 6F 72 65 5F 64 61 74 61 00 | ?θ………θmore_dataθ |
| 20 | 06 03 00 03 33 33 33 33 33 33 F3 3F 03 66 66 66 | ……θ…333333…?…fff |
| 30 | 66 66 66 02 40 09 02 94 05 00 00 00 00 00 00 00 | fff…@…………θθθθθθθ |
| 40 | 04 0C 00 61 6E 6F 74 68 65 72 5F 6B 65 79 00 07 | ……θanother_keyθ… |
| 50 | 0C 00 64 61 74 61 20 73 74 72 69 6E 67 00 | …θdata_stringθ |
(00) 05 type ST_HASH
(01) 04 00 st_counter_t 4
(03) 07 type ST_STRING
(04) 0C 00 st_counter_t 12
(06) CSTRING do_we_test?θ
(12) 01 type ST_TRUE
(13) 07 type ST_STRING
(14) 0A 00 st_counter_t 10
(16) CSTRING more_dataθ
(20) 06 type ST_ARRAY
(21) 03 00 st_counter_t 3
(23) 03 type ST_FLOAT
(24) 33 33 33 33 33 33 F3 3F mrb_float 1.2
(2C) 03 type ST_FLOAT
(2D) 66 66 66 66 66 66 02 40 mrb_float 2.3
(35) 09 type ST_NIL
(36) 02 type ST_INT
(37) 94 05 00 00 00 00 00 00 mrb_int 1428
(3F) 00 type ST_FALSE
(40) 04 type ST_SYMBOL
(41) 0C 00 st_counter_t 12
(42) CSTRING another_keyθ
(4F) 07 type ST_STRING
(50) 0C 00 st_counter_t 12
(52) CSTRING data stringθ