1//
2//  Copyright (C) 2015 Google, Inc.
3//
4//  Licensed under the Apache License, Version 2.0 (the "License");
5//  you may not use this file except in compliance with the License.
6//  You may obtain a copy of the License at:
7//
8//  http://www.apache.org/licenses/LICENSE-2.0
9//
10//  Unless required by applicable law or agreed to in writing, software
11//  distributed under the License is distributed on an "AS IS" BASIS,
12//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13//  See the License for the specific language governing permissions and
14//  limitations under the License.
15//
16
17#pragma once
18
19#include <rapidjson/document.h>
20
21typedef void (*MFP)(rapidjson::Document&);
22
23// This class defines the functions that interact with the input JSON and
24// correspondingly calls the facade associated with the input JSON doc. This
25// class also contains wrapper functions to the actual SL4N Facades and does
26// pre-verification before it directly interacts with the facade. The
27// pre-verification includes matching parameter size and verifying each
28// parameter type that is expected in the wrapping function.
29class CommandReceiver {
30
31 public:
32  CommandReceiver();
33  ~CommandReceiver();
34
35  static void RegisterCommand(std::string name, MFP command);
36
37  // Function that extracts the method/cmd parameter from the JSON doc and
38  // passes the document to the corresponding wrapper function.
39  void Call(rapidjson::Document& doc);
40
41};
42