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(* Js_of_ocaml example
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2010 Jérôme Vouillon
* Laboratoire PPS - CNRS Université Paris Diderot
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
(* Json conversion *)
open Common
let log_stop = log_start "Json"
let str = String.create 256
let () =
for i = 0 to 255 do
str.[i] <- Char.chr i
done
type t = int list * float option * string deriving (Json)
let test t v =
if v = Json.unsafe_input (Json.output v)
then log_success ()
else log_failure "Not equal";
if v = Deriving_Json.from_string t (Js.to_string (Json.output v))
then log_success ()
else log_failure "Not equal";
if v = Json.unsafe_input (Js.string (Deriving_Json.to_string t v))
then log_success ()
else log_failure "Not equal";
if v = Deriving_Json.from_string t (Deriving_Json.to_string t v)
then log_success ()
else log_failure "Not equal"
let _ = test Json.t<t> ([1;2;3], Some 1., str)
type intseq = Z | S of int * intseq deriving (Json)
let _ = test Json.t<intseq> (S (1, S (2, S (3, Z))))
type 'a seq = ZZ | SS of 'a * 'a seq deriving (Json)
let _ = test Json.t<int seq> (SS (1, SS (2, SS (3, ZZ))))
module T = struct
type 'a t = (string * 'a) array deriving (Json)
module StringMap = Map.Make(String)
module Json_string_map_t(A : Deriving_Json.Json) : Deriving_Json.Json = struct
module S = Json_t(A)
include Deriving_Json.Convert(struct
type a = A.a t
type b = A.a StringMap.t
let t = S.t
let to_ : b -> A.a t = fun a -> Array.of_list (StringMap.bindings a)
let from_ : A.a t -> b = fun l ->
Array.fold_left
(fun map (x,v) -> StringMap.add x v map)
StringMap.empty
l
end)
end
end
module T2 = T.Json_string_map_t(Json_t);;
(* type u = int StringMap.t deriving (Json) *)
let () = log_stop()
|
