| 1 |
|
%% Copyright (c) 2023 Peter Morgan <peter.james.morgan@gmail.com> |
| 2 |
|
%% |
| 3 |
|
%% Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 |
|
%% you may not use this file except in compliance with the License. |
| 5 |
|
%% You may obtain a copy of the License at |
| 6 |
|
%% |
| 7 |
|
%% http://www.apache.org/licenses/LICENSE-2.0 |
| 8 |
|
%% |
| 9 |
|
%% Unless required by applicable law or agreed to in writing, software |
| 10 |
|
%% distributed under the License is distributed on an "AS IS" BASIS, |
| 11 |
|
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 |
|
%% See the License for the specific language governing permissions and |
| 13 |
|
%% limitations under the License. |
| 14 |
|
|
| 15 |
|
|
| 16 |
|
-module(msmp_column_definition_flags). |
| 17 |
|
|
| 18 |
|
|
| 19 |
|
-export([decode/1]). |
| 20 |
|
-export([encode/1]). |
| 21 |
|
-include_lib("kernel/include/logger.hrl"). |
| 22 |
|
-on_load(on_load/0). |
| 23 |
|
|
| 24 |
|
|
| 25 |
|
decode(Flags) -> |
| 26 |
3 |
maps:map( |
| 27 |
|
fun |
| 28 |
|
(_, Mask) -> |
| 29 |
51 |
Flags band Mask == Mask |
| 30 |
|
end, |
| 31 |
|
flags()). |
| 32 |
|
|
| 33 |
|
|
| 34 |
|
encode(Flags) -> |
| 35 |
:-( |
lists:foldl( |
| 36 |
|
fun |
| 37 |
|
(Flag, A) -> |
| 38 |
:-( |
{ok, Mask} = maps:find(Flag, flags()), |
| 39 |
:-( |
A bor Mask |
| 40 |
|
end, |
| 41 |
|
0, |
| 42 |
|
Flags). |
| 43 |
|
|
| 44 |
|
|
| 45 |
|
flags() -> |
| 46 |
3 |
persistent_term:get(?MODULE). |
| 47 |
|
|
| 48 |
|
|
| 49 |
|
on_load() -> |
| 50 |
1 |
persistent_term:put( |
| 51 |
|
?MODULE, |
| 52 |
|
maps:from_list( |
| 53 |
|
msmp:priv_consult("column-definition-flag.terms"))). |