tvl-depot/users/Profpatsch/netencode/netencode.nix
Profpatsch f1c38e2560 feat(Profpatsch): dump netencode spec & parser
The netencode standard, a no-nonsense extension of netstrings for
structured data.

Includes a nix generator module and a rust parsing library.

Imported from
e409df3861/pkgs/profpatsch/netencode

Original license GPLv3, but I’m the sole author, so I transfer it to
whatever license depot uses.

Change-Id: I4f6fa97120a0fd861eeef35085a3dd642ab7c407
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2319
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>
2021-01-03 16:29:57 +00:00

49 lines
776 B
Nix

let
netstring = tag: suffix: s:
"${tag}${toString (builtins.stringLength s)}:${s}${suffix}";
unit = "u,";
n1 = b: if b then "n1:1," else "n1:0,";
n = i: n: netstring "n${toString i}" "," (toString n);
i = i: n: netstring "i${toString i}" "," (toString n);
n3 = n 3;
n6 = n 6;
n7 = n 7;
i3 = i 3;
i6 = i 6;
i7 = i 7;
text = netstring "t" ",";
binary = netstring "b" ",";
tag = key: val: netstring "<" "|" key + val;
concatStrings = builtins.concatStringsSep "";
record = lokv: netstring "{" "}"
(concatStrings (map (kv: tag kv.key kv.val) lokv));
list = l: netstring "[" "]" (concatStrings l);
in {
inherit
unit
n1
n3
n6
n7
i3
i6
i7
text
binary
tag
record
list
;
}