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(* Js_of_ocaml library
* http://www.ocsigen.org/js_of_ocaml/
* Copyright Grégoire Henry 2010.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 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.
*)
open Js
open! Import
class type json =
object
method parse : 'a. js_string t -> 'a meth
method parse_ :
'a 'b 'c 'd. js_string t -> ('b t, js_string t -> 'c -> 'd) meth_callback -> 'a meth
method stringify : 'a. 'a -> js_string t meth
(* Beware that this is only works when the function argument
expects exactly two arguments (no curryfication is performed). *)
method stringify_ : 'a 'b 'c 'd. 'a -> (js_string t -> 'c -> 'd) -> js_string t meth
end
let json : json Js.t = Unsafe.global##._JSON
let input_reviver =
let reviver _this _key (value : Unsafe.any) : Obj.t =
if typeof value == string "string"
then Obj.repr (to_bytestring (Unsafe.coerce value))
else if instanceof value Js.array_empty
&& (Unsafe.coerce value)##.length == 4
&& Unsafe.get value 0 == 255
then
Obj.repr
(Jsoo_runtime.Int64.create_int64_lo_mi_hi
(Unsafe.get value 1)
(Unsafe.get value 2)
(Unsafe.get value 3))
else Obj.repr value
in
wrap_meth_callback reviver
let unsafe_input s = json##parse_ s input_reviver
class type obj =
object
method constructor : 'a. 'a constr Js.readonly_prop
end
let mlInt64_constr =
let dummy_int64 = 1L in
let dummy_obj : obj t = Obj.magic dummy_int64 in
dummy_obj##.constructor
let output_reviver _key (value : Unsafe.any) : Obj.t =
if Obj.tag (Obj.repr value) = Obj.string_tag
then Obj.repr (bytestring (Obj.magic value : string))
else if instanceof value mlInt64_constr
then
let value = Unsafe.coerce value in
Obj.repr (array [| 255; value##.lo; value##.mi; value##.hi |])
else Obj.repr value
let output obj = json##stringify_ obj output_reviver
|
