52 lines
1.4 KiB
OCaml
52 lines
1.4 KiB
OCaml
open Types
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let ansi_filter s =
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s |> function
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| Ansi a ->
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Types.Ansi
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(List.filter
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(function Types.Fg _ | Types.Bg _ -> false | _ -> true)
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a)
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| n -> n
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let permute order a = Array.mapi (fun i _ -> a.(order.(i))) a
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(* TODO: implement this so cli can use a dsl to specify colourising patterns *)
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type culr = { colours : colour array; sz : int; mutable current : int }
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module Culriser = struct
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type filter = (colour -> bool) list
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type sort = int array
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let run_filters (f : filter) el =
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List.fold_left (fun res filt -> if not (filt el) then false else res) true f
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let create s f c =
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let ( @ ) = Array.append in
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let colours =
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c |> permute s |> fun c ->
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if List.length f > 0 then
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Array.fold_left
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(fun acc el -> if run_filters f el then acc @ [| el |] else acc)
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[||] c
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else c
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in
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{ colours; sz = Array.length colours; current = 0 }
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let next t =
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let ret = t.current and nv = t.current + 1 in
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if nv >= t.sz then t.current <- 0 else t.current <- nv;
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t.colours.(ret)
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let reset t = t.current <- 0
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let serialise_with_colour t serialiser chunk =
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(match chunk with
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| Separator _ -> Emitter.serialise serialiser (Ansi [ Fg (next t) ])
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| Delimiter _ ->
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reset t;
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Emitter.serialise serialiser (Ansi [ Fg (next t) ])
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| _ -> ());
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Emitter.serialise serialiser chunk
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end
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