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diff --git a/src/lib/repr/telcontar.ml b/src/lib/repr/telcontar.ml
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+(** Glyph position for the diacritc *)
+type position =
+ | Pos1
+ | Pos2
+ | Pos3
+ | Pos4
+
+(** Consonant category *)
+type category =
+ | I
+ | II
+ | III
+
+type voyel =
+ { opened : bool
+ ; position : [`Above | `Below ]
+ ; repr : string }
+
+type consonant =
+ { position : position
+ ; muted: string option
+ ; repr : string
+ ; primary : bool
+ ; category : category }
+
+
+type nasal = (t -> string)
+
+and t =
+ | Consonant of consonant
+ | Voyel of voyel
+ | Nasal of nasal
+ | Repr of string
+ | Nothing
+
+let none = Nothing
+
+let space s = Repr s
+
+let a = Voyel
+ { opened = true
+ ; position = `Above
+ ; repr = ""
+ }
+
+
+let app_e = function
+ | Pos1 -> "$"
+ | Pos2 -> "R"
+ | Pos3 -> "F"
+ | Pos4 -> "V"
+
+and app_eu = function
+ | Pos1 -> "Ü"
+ | Pos2 -> "Ý"
+ | Pos3 -> "Þ"
+ | Pos4 -> "ß"
+
+let e_opened = Voyel { opened = true ; position = `Above ; repr = "" }
+and e_closed = Voyel { opened = false; position = `Above ; repr = "" }
+and schwa = Voyel
+ { opened = true
+ ; position = `Below
+ ; repr = "" }
+
+and eu_opened = Voyel { opened = true ; position = `Above ; repr = "" }
+and eu_closed = Voyel { opened = false ; position = `Above ; repr = "" }
+
+and o = Voyel
+ { opened = true
+ ; position = `Above
+ ; repr = "" }
+
+and i = Voyel
+ { opened = true
+ ; position = `Above
+ ; repr = "" }
+
+and y = Voyel
+ { opened = true
+ ; position = `Above
+ ; repr = "" }
+
+and u = Voyel
+ { opened = true
+ ; position = `Above
+ ; repr = "" }
+
+let p = Consonant
+ { position = Pos2
+ ; muted = Some ""
+ ; category = II
+ ; primary = true
+ ; repr = "" }
+
+and b = Consonant
+ { position = Pos1
+ ; muted = Some ""
+ ; category = II
+ ; primary = true
+ ; repr = "" }
+
+and t = Consonant
+ { position = Pos2
+ ; muted = Some ""
+ ; category = I
+ ; primary = true
+ ; repr = "" }
+
+and d = Consonant
+ { position = Pos1
+ ; muted = Some ""
+ ; category = I
+ ; primary = true
+ ; repr = "" }
+
+and k = Consonant
+ { position = Pos3
+ ; muted = Some "h"
+ ; category = III
+ ; primary = true
+ ; repr = "a" }
+
+and g = Consonant
+ { position = Pos1
+ ; muted = Some "h"
+ ; category = III
+ ; primary = true
+ ; repr = "s" }
+
+and f = Consonant
+ { position = Pos3
+ ; muted = None
+ ; category = II
+ ; primary = true
+ ; repr = "e" }
+
+and v = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = II
+ ; primary = true
+ ; repr = "r" }
+
+and ch = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = III
+ ; primary = true
+ ; repr = "d" }
+
+and j = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = III
+ ; primary = true
+ ; repr = "f" }
+
+and s = Consonant
+ { position = Pos4
+ ; muted = Some "i"
+ ; category = I
+ ; primary = true
+ ; repr = "3" }
+
+and z = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = I
+ ; primary = true
+ ; repr = "4" }
+
+and m = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = II
+ ; primary = true
+ ; repr = "t" }
+
+and n = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = I
+ ; primary = true
+ ; repr = "5" }
+
+and gn = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = III
+ ; primary = false
+ ; repr = "b" }
+
+and l = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = II
+ ; primary = false
+ ; repr = "j" }
+
+and r = Consonant
+ { position = Pos2
+ ; muted = None
+ ; category = I
+ ; primary = false
+ ; repr = "7" }
+
+let nasal v =
+ let Voyel letter = v [@@warning "-8"] in
+ Nasal
+ ( fun f ->
+ let Consonant c = m [@@warning "-8"] in
+ let default = c.repr ^ letter.repr in
+
+ match f with
+ | Consonant c -> begin match c.category with
+ | I -> default
+ | II ->
+ let Consonant c = n [@@warning "-8"] in
+ c.repr ^ letter.repr
+ | III ->
+ let Consonant c = gn [@@warning "-8"] in
+ c.repr ^ letter.repr
+ end
+ | _ -> default
+ )
+
+let a_nasal = nasal a
+and o_nasal = nasal o
+and i_nasal = nasal i
+and y_nasal = nasal y
+
+and semi_voyel_w = Consonant
+ { position = Pos3
+ ; muted = None
+ ; category = II
+ ; primary = false
+ ; repr = "." }
+
+and semi_voyel_y = Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = II
+ ; primary = false
+ ; repr = "l" }
+
+and semi_voyel_u = Consonant
+ { position = Pos2
+ ; muted = None
+ ; category = II
+ ; primary = false
+ ; repr = "]" }
+
+ (*
+let diphtongue
+ : t -> t -> t
+ = fun t1 t2 -> match t1, t2 with
+ (*
+ | Consonant _, Voyel _ when t1 = semi_voyel_y && t2 = schwa ->
+ Consonant
+ { position = Pos1
+ ; muted = None
+ ; category = II
+ ; primary = false
+ ; repr = "m"}
+ *)
+ | Consonant c, Voyel v ->
+ Repr(c.repr ^ (v.app c.position))
+ | Consonant c, Nasal n ->
+ Repr(c.repr ^ (n none))
+ | _ ->
+ print_endline "Ignoring diphtongue";
+ none
+
+let muted
+ : t -> t
+ = fun t ->
+ match t with
+ | Consonant c ->
+ begin match c.muted with
+ | None -> t
+ | Some s -> Consonant {c with repr = s}
+ end
+ | _ -> t
+
+
+and portant =
+ { position = Pos4
+ ; muted = None
+ ; category = III
+ ; primary = false
+ ; repr = "`" }
+
+let fold
+ : t list -> string
+ = fun elems ->
+ let buff = Buffer.create 16 in
+
+ let rec _fold
+ = fun init -> function
+ | [] ->
+ begin match init with
+ | None
+ | Some Nothing
+ -> ()
+ | Some Voyel ( {position = `Above; _ } as v) ->
+ Buffer.add_string buff ("`" ^ (v.app portant.position))
+ | Some Voyel ( {position = `Below; _ } as v) ->
+ Buffer.add_string buff (v.app Pos1)
+ | Some Nasal n ->
+ Buffer.add_string buff ("`" ^ (n (Consonant portant)))
+ | Some Repr r ->
+ Buffer.add_string buff r
+ | Some Consonant c ->
+ Buffer.add_string buff (c.repr)
+ end
+ | hd::tl ->
+ match init, hd with
+ | Some Nothing, _ -> _fold (Some hd) tl
+ | _, Nothing -> _fold init tl
+ | Some Voyel ({position = `Above; _} as v), Consonant c ->
+ Buffer.add_string buff (c.repr ^ (v.app c.position));
+ _fold None tl
+ | Some Voyel ({position = `Below; _} as v), Consonant c ->
+ Buffer.add_string buff ((v.app Pos1)^ c.repr);
+ _fold None tl
+ | Some Nasal n, Consonant c ->
+ Buffer.add_string buff (c.repr ^ (n hd));
+ _fold None tl
+ | Some Voyel v, _ ->
+ Buffer.add_string buff ("`" ^ (v.app portant.position));
+ _fold (Some hd) tl
+ | Some Nasal n, _ ->
+ Buffer.add_string buff ("`" ^ (n (Consonant portant)));
+ _fold (Some hd) tl
+ | Some Repr r, _ ->
+ Buffer.add_string buff r;
+ _fold (Some hd) tl
+ | Some Consonant c, _ ->
+ Buffer.add_string buff c.repr;
+ _fold (Some hd) tl
+
+ | None, Consonant c ->
+ Buffer.add_string buff c.repr;
+ _fold None tl
+ | None, Repr r ->
+ Buffer.add_string buff r;
+ _fold None tl
+ | None, Voyel _
+ | None, Nasal _ -> _fold (Some hd) tl
+
+ in
+ _fold None elems;
+ Buffer.contents buff
+ *)
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