lib/json/jsonable.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2012-2013 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Basic json related functionalities
  18 module jsonable is pkgconfig("json")
  19
  20 in "C Header" `{
  21         #define __STRICT_ANSI__
  22         #include <json/json.h>
  23 `}
  24
  25 # Type supported by the Json format
  26 interface Jsonable
  27 end
  28
  29 # Main object type used by C library
  30 private extern JsonObject `{ struct json_object* `}
  31         # Give up ownership of this object and decrease the reference count.
  32         fun put `{ json_object_put( recv ); `}
  33
  34         # Aquire ownership of this object and increase the reference count.
  35         fun get `{ json_object_get( recv ); `}
  36 end
  37
  38 redef class SequenceRead[ V ]
  39         super Jsonable
  40 end
  41
  42 redef class String
  43         super Jsonable
  44 end
  45
  46 # Can b converted to a Json object
  47 redef class Map[ K, V ]
  48         super Jsonable
  49 end
  50
  51 redef class Int
  52         super Jsonable
  53 end
  54
  55 redef class Bool
  56         super Jsonable
  57 end
  58
  59 redef class Float
  60         super Jsonable
  61 end