implement CULRS and CULR_ORDER env vars

lib/parse.ml

@@ -1,6 +1,6 @@
-(* open Ansi *)
 open Types
 open Angstrom
+open Parsers
 
 let is_sep = function '\x20' | '\x09' -> true | _ -> false
 let is_delim = function '\x0a' | '\x0d' -> true | _ -> false
@@ -17,6 +17,25 @@ let culr_parse =
   | n when n = '\x1b' -> ansi
   | _n -> text
 
+let conv_rgb = function [ r; g; b ] -> Types.RGB (r, g, b) | _ -> assert false
+let hex_digit = take 2 >>| fun s -> int_of_string ("0x" ^ s)
+
+let rgb_triple =
+  let digit_comma = digit <* char ',' in
+  char '(' *> list [ digit_comma; digit_comma; digit ] <* char ')' >>| conv_rgb
+
+let hex_colour = char '#' *> count 3 hex_digit >>| conv_rgb
+let simple_colour = digit >>| fun s -> Types.Simple s
+let env_colours = sep_by1 skip_semi (rgb_triple <|> hex_colour <|> simple_colour)
+let unpack = function Ok payload -> payload | _ -> []
+
+let parse_env_colours s =
+  parse_string ~consume:Consume.All env_colours s |> unpack |> Array.of_list
+
+let parse_env_order s =
+  parse_string ~consume:Consume.All Parsers.semi_digits s
+  |> unpack |> Array.of_list
+
 let debug_print =
   let print_colour =
     List.fold_left
@@ -51,22 +70,22 @@ let debug_print =
   | Ansi a -> print_colour a
 
 let%test "sep_parse" =
-  Angstrom.parse_string ~consume:Consume.All sep "        " |> function
+  parse_string ~consume:Consume.All sep "        " |> function
   | Ok (Separator "        ") -> true
   | _ -> false
 
 let%test "delim_parse" =
-  Angstrom.parse_string ~consume:Consume.All delim "\n\n\n" |> function
+  parse_string ~consume:Consume.All delim "\n\n\n" |> function
   | Ok (Delimiter "\n\n\n") -> true
   | _ -> false
 
 let%test "text_parse" =
-  Angstrom.parse_string ~consume:Consume.All text "okokyeahok" |> function
+  parse_string ~consume:Consume.All text "okokyeahok" |> function
   | Ok (Text "okokyeahok") -> true
   | _ -> false
 
 let%test "culr_parse" =
-  Angstrom.parse_string ~consume:Consume.Prefix (many1 culr_parse)
+  parse_string ~consume:Consume.All (many1 culr_parse)
     "sometext   \n\n\n    \x1b[38;2;2m"
   |> function
   | Ok
@@ -82,3 +101,13 @@ let%test "culr_parse" =
       n |> List.fold_left (fun _acc el -> el |> debug_print) ();
       false
   | _ -> false
+
+let%test "rgb" =
+  parse_string ~consume:Consume.All rgb_triple "(255,0,127)" |> function
+  | Ok s -> s = Types.RGB (255, 0, 127)
+  | _ -> false
+
+let%test "hex" =
+  parse_string ~consume:Consume.All hex_colour "#FF007F" |> function
+  | Ok s -> s = Types.RGB (255, 0, 127)
+  | _ -> false