Add a json_set_serializer() function to allow the string output of a json_object to be customized.
diff --git a/json_object.c b/json_object.c
index 8dd13b0..d11efc5 100644
--- a/json_object.c
+++ b/json_object.c
@@ -46,6 +46,13 @@
static void json_object_generic_delete(struct json_object* jso);
static struct json_object* json_object_new(enum json_type o_type);
+static json_object_to_json_string_fn json_object_object_to_json_string;
+static json_object_to_json_string_fn json_object_boolean_to_json_string;
+static json_object_to_json_string_fn json_object_int_to_json_string;
+static json_object_to_json_string_fn json_object_double_to_json_string;
+static json_object_to_json_string_fn json_object_string_to_json_string;
+static json_object_to_json_string_fn json_object_array_to_json_string;
+
/* ref count debugging */
@@ -134,10 +141,16 @@
extern void json_object_put(struct json_object *jso)
{
- if(jso) {
- jso->_ref_count--;
- if(!jso->_ref_count) jso->_delete(jso);
- }
+ if(jso)
+ {
+ jso->_ref_count--;
+ if(!jso->_ref_count)
+ {
+ if (jso->_user_delete)
+ jso->_user_delete(jso, jso->_userdata);
+ jso->_delete(jso);
+ }
+ }
}
@@ -187,6 +200,57 @@
return jso->o_type;
}
+/* set a custom conversion to string */
+
+void json_object_set_serializer(json_object *jso,
+ json_object_to_json_string_fn to_string_func,
+ void *userdata,
+ json_object_delete_fn *user_delete)
+{
+ // First, clean up any previously existing user info
+ if (jso->_user_delete)
+ {
+ jso->_user_delete(jso, jso->_userdata);
+ }
+ jso->_userdata = NULL;
+ jso->_user_delete = NULL;
+
+ if (to_string_func == NULL)
+ {
+ // Reset to the standard serialization function
+ switch(jso->o_type)
+ {
+ case json_type_null:
+ jso->_to_json_string = NULL;
+ break;
+ case json_type_boolean:
+ jso->_to_json_string = &json_object_boolean_to_json_string;
+ break;
+ case json_type_double:
+ jso->_to_json_string = &json_object_double_to_json_string;
+ break;
+ case json_type_int:
+ jso->_to_json_string = &json_object_int_to_json_string;
+ break;
+ case json_type_object:
+ jso->_to_json_string = &json_object_object_to_json_string;
+ break;
+ case json_type_array:
+ jso->_to_json_string = &json_object_array_to_json_string;
+ break;
+ case json_type_string:
+ jso->_to_json_string = &json_object_string_to_json_string;
+ break;
+ }
+ return;
+ }
+
+ jso->_to_json_string = to_string_func;
+ jso->_userdata = userdata;
+ jso->_user_delete = user_delete;
+}
+
+
/* extended conversion to string */
const char* json_object_to_json_string_ext(struct json_object *jso, int flags)