ocaml/ocamldoc/odoc_misc.ml

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(***********************************************************************)
(* OCamldoc *)
(* *)
(* Maxence Guesdon, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2001 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
let input_file_as_string nom =
let chanin = open_in_bin nom in
let len = 1024 in
let s = String.create len in
let buf = Buffer.create len in
let rec iter () =
try
let n = input chanin s 0 len in
if n = 0 then
()
else
(
Buffer.add_substring buf s 0 n;
iter ()
)
with
End_of_file -> ()
in
iter ();
close_in chanin;
Buffer.contents buf
let string_of_longident li = String.concat "." (Longident.flatten li)
let string_of_type_expr t =
Printtyp.mark_loops t;
Printtyp.type_scheme_max ~b_reset_names: false Format.str_formatter t;
let s = Format.flush_str_formatter () in
s
let string_of_type_list sep type_list =
let rec need_parent t =
match t.Types.desc with
Types.Tarrow _ | Types.Ttuple _ -> true
| Types.Tlink t2 | Types.Tsubst t2 -> need_parent t2
| Types.Tconstr _ ->
false
| Types.Tvar | Types.Tunivar | Types.Tobject _ | Types.Tpoly _
| Types.Tfield _ | Types.Tnil | Types.Tvariant _ -> false
in
let print_one_type t =
Printtyp.mark_loops t;
if need_parent t then
(
Format.fprintf Format.str_formatter "(" ;
Printtyp.type_scheme_max ~b_reset_names: false Format.str_formatter t;
Format.fprintf Format.str_formatter ")"
)
else
Printtyp.type_scheme_max ~b_reset_names: false Format.str_formatter t
in
begin match type_list with
[] -> ()
| [ty] -> print_one_type ty
| ty :: tyl ->
Format.fprintf Format.str_formatter "@[<hov 2>";
print_one_type ty;
List.iter
(fun t -> Format.fprintf Format.str_formatter "@,%s" sep; print_one_type t)
tyl;
Format.fprintf Format.str_formatter "@]"
end;
Format.flush_str_formatter()
(** Return the given module type where methods and vals have been removed
from the signatures. Used when we don't want to print a too long module type.*)
let simpl_module_type t =
let rec iter t =
match t with
Types.Tmty_ident p -> t
| Types.Tmty_signature _ -> Types.Tmty_signature []
| Types.Tmty_functor (id, mt1, mt2) ->
Types.Tmty_functor (id, iter mt1, iter mt2)
in
iter t
let string_of_module_type ?(complete=false) t =
let t2 = if complete then t else simpl_module_type t in
Printtyp.modtype Format.str_formatter t2;
let s = Format.flush_str_formatter () in
s
(** Return the given class type where methods and vals have been removed
from the signatures. Used when we don't want to print a too long class type.*)
let simpl_class_type t =
let rec iter t =
match t with
Types.Tcty_constr (p,texp_list,ct) -> t
| Types.Tcty_signature cs ->
(* on vire les vals et methods pour ne pas qu'elles soient imprim<69>es
quand on affichera le type *)
let tnil = { Types.desc = Types.Tnil ; Types.level = 0; Types.id = 0 } in
Types.Tcty_signature { Types.cty_self = { cs.Types.cty_self with
Types.desc = Types.Tobject (tnil, ref None) };
Types.cty_vars = Types.Vars.empty ;
Types.cty_concr = Types.Concr.empty ;
}
| Types.Tcty_fun (l, texp, ct) ->
let new_ct = iter ct in
Types.Tcty_fun (l, texp, new_ct)
in
iter t
let string_of_class_type ?(complete=false) t =
let t2 = if complete then t else simpl_class_type t in
(* A VOIR : ma propre version de Printtyp.class_type pour ne pas faire reset_names *)
Printtyp.class_type Format.str_formatter t2;
let s = Format.flush_str_formatter () in
s
let get_fields type_expr =
let (fields, _) = Ctype.flatten_fields (Ctype.object_fields type_expr) in
List.fold_left
(fun acc -> fun (label, field_kind, typ) ->
match field_kind with
Types.Fabsent ->
acc
| _ ->
if label = "*dummy method*" then
acc
else
acc @ [label, typ]
)
[]
fields
let rec string_of_text t =
let rec iter t_ele =
match t_ele with
| Odoc_types.Raw s
| Odoc_types.Code s
| Odoc_types.CodePre s
| Odoc_types.Verbatim s -> s
| Odoc_types.Bold t
| Odoc_types.Italic t
| Odoc_types.Center t
| Odoc_types.Left t
| Odoc_types.Right t
| Odoc_types.Emphasize t -> string_of_text t
| Odoc_types.List l ->
(String.concat ""
(List.map (fun t -> "\n- "^(string_of_text t)) l))^
"\n"
| Odoc_types.Enum l ->
let rec f n = function
[] -> "\n"
| t :: q ->
"\n"^(string_of_int n)^". "^(string_of_text t)^
(f (n + 1) q)
in
f 1 l
| Odoc_types.Newline -> "\n"
| Odoc_types.Block t -> "\t"^(string_of_text t)^"\n"
| Odoc_types.Title (_, _, t) -> "\n"^(string_of_text t)^"\n"
| Odoc_types.Latex s -> "{% "^s^" %}"
| Odoc_types.Link (s, t) ->
"["^s^"]"^(string_of_text t)
| Odoc_types.Ref (name, _) ->
iter (Odoc_types.Code name)
| Odoc_types.Superscript t ->
"^{"^(string_of_text t)^"}"
| Odoc_types.Subscript t ->
"^{"^(string_of_text t)^"}"
in
String.concat "" (List.map iter t)
let string_of_author_list l =
match l with
[] ->
""
| _ ->
"* "^Odoc_messages.authors^":\n"^
(String.concat ", " l)^
"\n"
let string_of_version_opt v_opt =
match v_opt with
None -> ""
| Some v -> Odoc_messages.version^": "^v^"\n"
let string_of_since_opt s_opt =
match s_opt with
None -> ""
| Some s -> Odoc_messages.since^" "^s^"\n"
let string_of_raised_exceptions l =
match l with
[] -> ""
| (s, t) :: [] -> Odoc_messages.raises^" "^s^" "^(string_of_text t)^"\n"
| _ ->
Odoc_messages.raises^"\n"^
(String.concat ""
(List.map
(fun (ex, desc) -> "- "^ex^" "^(string_of_text desc)^"\n")
l
)
)^"\n"
let string_of_see (see_ref, t) =
let t_ref =
match see_ref with
Odoc_types.See_url s -> [ Odoc_types.Link (s, t) ]
| Odoc_types.See_file s -> (Odoc_types.Code s) :: (Odoc_types.Raw " ") :: t
| Odoc_types.See_doc s -> (Odoc_types.Italic [Odoc_types.Raw s]) :: (Odoc_types.Raw " ") :: t
in
string_of_text t_ref
let string_of_sees l =
match l with
[] -> ""
| see :: [] -> Odoc_messages.see_also^" "^(string_of_see see)^" \n"
| _ ->
Odoc_messages.see_also^"\n"^
(String.concat ""
(List.map
(fun see -> "- "^(string_of_see see)^"\n")
l
)
)^"\n"
let string_of_return_opt return_opt =
match return_opt with
None -> ""
| Some s -> Odoc_messages.returns^" "^(string_of_text s)^"\n"
let string_of_info i =
let module M = Odoc_types in
(match i.M.i_deprecated with
None -> ""
| Some d -> Odoc_messages.deprecated^"! "^(string_of_text d)^"\n")^
(match i.M.i_desc with
None -> ""
| Some d when d = [Odoc_types.Raw ""] -> ""
| Some d -> (string_of_text d)^"\n"
)^
(string_of_author_list i.M.i_authors)^
(string_of_version_opt i.M.i_version)^
(string_of_since_opt i.M.i_since)^
(string_of_raised_exceptions i.M.i_raised_exceptions)^
(string_of_return_opt i.M.i_return_value)
let apply_opt f v_opt =
match v_opt with
None -> None
| Some v -> Some (f v)
let string_of_date ?(hour=true) d =
let add_0 s = if String.length s < 2 then "0"^s else s in
let t = Unix.localtime d in
(string_of_int (t.Unix.tm_year + 1900))^"-"^
(add_0 (string_of_int (t.Unix.tm_mon + 1)))^"-"^
(add_0 (string_of_int t.Unix.tm_mday))^
(
if hour then
" "^
(add_0 (string_of_int t.Unix.tm_hour))^":"^
(add_0 (string_of_int t.Unix.tm_min))
else
""
)
let rec text_list_concat sep l =
match l with
[] -> []
| [t] -> t
| t :: q ->
t @ (sep :: (text_list_concat sep q))
let rec text_no_title_no_list t =
let rec iter t_ele =
match t_ele with
| Odoc_types.Title (_,_,t) -> text_no_title_no_list t
| Odoc_types.List l
| Odoc_types.Enum l ->
(Odoc_types.Raw " ") ::
(text_list_concat
(Odoc_types.Raw ", ")
(List.map text_no_title_no_list l))
| Odoc_types.Raw _
| Odoc_types.Code _
| Odoc_types.CodePre _
| Odoc_types.Verbatim _
| Odoc_types.Ref _ -> [t_ele]
| Odoc_types.Newline -> [Odoc_types.Newline]
| Odoc_types.Block t -> [Odoc_types.Block (text_no_title_no_list t)]
| Odoc_types.Bold t -> [Odoc_types.Bold (text_no_title_no_list t)]
| Odoc_types.Italic t -> [Odoc_types.Italic (text_no_title_no_list t)]
| Odoc_types.Center t -> [Odoc_types.Center (text_no_title_no_list t)]
| Odoc_types.Left t -> [Odoc_types.Left (text_no_title_no_list t)]
| Odoc_types.Right t -> [Odoc_types.Right (text_no_title_no_list t)]
| Odoc_types.Emphasize t -> [Odoc_types.Emphasize (text_no_title_no_list t)]
| Odoc_types.Latex s -> [Odoc_types.Latex s]
| Odoc_types.Link (s, t) -> [Odoc_types.Link (s, (text_no_title_no_list t))]
| Odoc_types.Superscript t -> [Odoc_types.Superscript (text_no_title_no_list t)]
| Odoc_types.Subscript t -> [Odoc_types.Subscript (text_no_title_no_list t)]
in
List.flatten (List.map iter t)
let get_titles_in_text t =
let l = ref [] in
let rec iter_ele ele =
match ele with
| Odoc_types.Title (n,lopt,t) -> l := (n,lopt,t) :: !l
| Odoc_types.List l
| Odoc_types.Enum l -> List.iter iter_text l
| Odoc_types.Raw _
| Odoc_types.Code _
| Odoc_types.CodePre _
| Odoc_types.Verbatim _
| Odoc_types.Ref _ -> ()
| Odoc_types.Newline -> ()
| Odoc_types.Block t
| Odoc_types.Bold t
| Odoc_types.Italic t
| Odoc_types.Center t
| Odoc_types.Left t
| Odoc_types.Right t
| Odoc_types.Emphasize t -> iter_text t
| Odoc_types.Latex s -> ()
| Odoc_types.Link (_, t)
| Odoc_types.Superscript t
| Odoc_types.Subscript t -> iter_text t
and iter_text te =
List.iter iter_ele te
in
iter_text t;
List.rev !l
(*********************************************************)
let rec get_before_dot s =
try
let len = String.length s in
let n = String.index s '.' in
if n + 1 >= len then
(* le point est le dernier caract<63>re *)
(true, s, "")
else
match s.[n+1] with
' ' | '\n' | '\r' | '\t' ->
(true, String.sub s 0 (n+1),
String.sub s (n+1) (len - n - 1))
| _ ->
let b, s2, s_after = get_before_dot (String.sub s (n + 1) (len - n - 1)) in
(b, (String.sub s 0 (n+1))^s2, s_after)
with
Not_found -> (false, s, "")
let rec first_sentence_text t =
match t with
[] -> (false, [], [])
| ele :: q ->
let (stop, ele2, ele3_opt) = first_sentence_text_ele ele in
if stop then
(stop, [ele2],
match ele3_opt with None -> q | Some e -> e :: q)
else
let (stop2, q2, rest) = first_sentence_text q in
(stop2, ele2 :: q2, rest)
and first_sentence_text_ele text_ele =
match text_ele with
| Odoc_types.Raw s ->
let b, s2, s_after = get_before_dot s in
(b, Odoc_types.Raw s2, Some (Odoc_types.Raw s_after))
| Odoc_types.Code _
| Odoc_types.CodePre _
| Odoc_types.Verbatim _ -> (false, text_ele, None)
| Odoc_types.Bold t ->
let (b, t2, t3) = first_sentence_text t in
(b, Odoc_types.Bold t2, Some (Odoc_types.Bold t3))
| Odoc_types.Italic t ->
let (b, t2, t3) = first_sentence_text t in
(b, Odoc_types.Italic t2, Some (Odoc_types.Italic t3))
| Odoc_types.Center t ->
let (b, t2, t3) = first_sentence_text t in
(b, Odoc_types.Center t2, Some (Odoc_types.Center t3))
| Odoc_types.Left t ->
let (b, t2, t3) = first_sentence_text t in
(b, Odoc_types.Left t2, Some (Odoc_types.Left t3))
| Odoc_types.Right t ->
let (b, t2, t3) = first_sentence_text t in
(b, Odoc_types.Right t2, Some (Odoc_types.Right t3))
| Odoc_types.Emphasize t ->
let (b, t2, t3) = first_sentence_text t in
(b, Odoc_types.Emphasize t2, Some (Odoc_types.Emphasize t3))
| Odoc_types.Block t ->
let (b, t2, t3) = first_sentence_text t in
(b, Odoc_types.Block t2, Some (Odoc_types.Block t3))
| Odoc_types.Title (n, l_opt, t) ->
let (b, t2, t3) = first_sentence_text t in
(b,
Odoc_types.Title (n, l_opt, t2),
Some (Odoc_types.Title (n, l_opt, t3)))
| Odoc_types.Newline ->
(true, Odoc_types.Raw "", Some Odoc_types.Newline)
| Odoc_types.List _
| Odoc_types.Enum _
| Odoc_types.Latex _
| Odoc_types.Link _
| Odoc_types.Ref _
| Odoc_types.Superscript _
| Odoc_types.Subscript _ -> (false, text_ele, None)
let first_sentence_of_text t =
let (_,t2,_) = first_sentence_text t in
t2
let first_sentence_and_rest_of_text t =
let (_,t1, t2) = first_sentence_text t in
(t1, t2)
(*********************************************************)
let create_index_lists elements string_of_ele =
let rec f current acc0 acc1 acc2 = function
[] -> (acc0 :: acc1) @ [acc2]
| ele :: q ->
let s = string_of_ele ele in
match s with
"" -> f current acc0 acc1 (acc2 @ [ele]) q
| _ ->
let first = Char.uppercase s.[0] in
match first with
'A' .. 'Z' ->
if current = first then
f current acc0 acc1 (acc2 @ [ele]) q
else
f first acc0 (acc1 @ [acc2]) [ele] q
| _ ->
f current (acc0 @ [ele]) acc1 acc2 q
in
f '_' [] [] [] elements
(*** for labels *)
let is_optional = Btype.is_optional
let label_name = Btype.label_name
let remove_option typ =
let rec iter t =
match t with
| Types.Tconstr (p,tlist,_) ->
(
match p with
Path.Pident id when Ident.name id = "option" ->
(
match tlist with
[t2] -> t2.Types.desc
| _ -> t
)
| _ -> t
)
| Types.Tvar
| Types.Tunivar
| Types.Tpoly _
| Types.Tarrow _
| Types.Ttuple _
| Types.Tobject _
| Types.Tfield _
| Types.Tnil
| Types.Tvariant _ -> t
| Types.Tlink t2
| Types.Tsubst t2 -> iter t2.Types.desc
in
{ typ with Types.desc = iter typ.Types.desc }