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slightly modify is_trailing so we don't use String.starts_with

This commit is contained in:
tali 2024-02-02 11:45:20 -05:00
parent 6e4b1af984
commit 59511905c9
1 changed files with 17 additions and 6 deletions
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23
lib/irc/msg.ml
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@ -21,16 +21,21 @@ type t = {
trailing : bool;
} [@@deriving show { with_path = false }]
let is_param_trailing p =
String.starts_with p ~prefix:":" || String.contains p ' '
let rec is_trailing arg i =
if i >= String.length arg then
arg = ""
else match arg.[i] with
| ' ' | '\t' -> true
| ':' when i = 0 -> true
| _ -> is_trailing arg (i + 1)
let rec is_params_trailing = function
let rec ends_with_trailing = function
| [] -> false
| [p] -> is_param_trailing p
| _ :: tl -> is_params_trailing tl
| [p] -> is_trailing p 0
| _ :: tl -> ends_with_trailing tl
let make ?(prefix = No_prefix) ?(always_trailing = false) command params =
let trailing = always_trailing || is_params_trailing params in
let trailing = always_trailing || ends_with_trailing params in
{ prefix; command; params; trailing }
let write buf t =
@ -166,6 +171,12 @@ let%expect_test _ =
make "NICK" [":)"] |> print_msg_nl;
[%expect {| "NICK ::)\r\n" |}];
make "NICK" ["(:"] |> print_msg_nl;
[%expect {| "NICK (:\r\n" |}];
make "NICK" [""] |> print_msg_nl;
[%expect {| "NICK :\r\n" |}];
make "USER" ["milo"; "0"; "*"; "milo"] ~always_trailing:true |> print_msg_nl;
[%expect {| "USER milo 0 * :milo\r\n" |}];