1/*
2 * Copyright 2014 Google Inc. All rights reserved.
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#include "flatbuffers/idl.h"
18#include "flatbuffers/util.h"
19
20#include "monster_generated.h" // Already includes "flatbuffers/flatbuffers.h".
21
22using namespace MyGame::Sample;
23
24// This is an example of parsing text straight into a buffer and then
25// generating flatbuffer (JSON) text from the buffer.
26int main(int /*argc*/, const char * /*argv*/[]) {
27  // load FlatBuffer schema (.fbs) and JSON from disk
28  std::string schemafile;
29  std::string jsonfile;
30  bool ok = flatbuffers::LoadFile("samples/monster.fbs", false, &schemafile) &&
31            flatbuffers::LoadFile("samples/monsterdata.json", false, &jsonfile);
32  if (!ok) {
33    printf("couldn't load files!\n");
34    return 1;
35  }
36
37  // parse schema first, so we can use it to parse the data after
38  flatbuffers::Parser parser;
39  const char *include_directories[] = { "samples", nullptr };
40  ok = parser.Parse(schemafile.c_str(), include_directories) &&
41       parser.Parse(jsonfile.c_str(), include_directories);
42  assert(ok);
43
44  // here, parser.builder_ contains a binary buffer that is the parsed data.
45
46  // to ensure it is correct, we now generate text back from the binary,
47  // and compare the two:
48  std::string jsongen;
49  if (!GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen)) {
50    printf("Couldn't serialize parsed data to JSON!\n");
51    return 1;
52  }
53
54  if (jsongen != jsonfile) {
55    printf("%s----------------\n%s", jsongen.c_str(), jsonfile.c_str());
56  }
57
58  printf("The FlatBuffer has been parsed from JSON successfully.\n");
59}
60