1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright 2014 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "flatbuffers/idl.h"
#include "flatbuffers/util.h"
#include "monster_generated.h" // Already includes "flatbuffers/flatbuffers.h".
using namespace MyGame::Sample;
// This is an example of parsing text straight into a buffer and then
// generating flatbuffer (JSON) text from the buffer.
int main(int /*argc*/, const char * /*argv*/[]) {
// load FlatBuffer schema (.fbs) and JSON from disk
std::string schema_file;
std::string json_file;
std::string bfbs_file;
bool ok =
flatbuffers::LoadFile("tests/monster_test.fbs", false, &schema_file) &&
flatbuffers::LoadFile("tests/monsterdata_test.golden", false,
&json_file) &&
flatbuffers::LoadFile("tests/monster_test.bfbs", true, &bfbs_file);
if (!ok) {
printf("couldn't load files!\n");
return 1;
}
const char *include_directories[] = { "samples", "tests",
"tests/include_test", nullptr };
// parse fbs schema
flatbuffers::Parser parser1;
ok = parser1.Parse(schema_file.c_str(), include_directories);
assert(ok);
// inizialize parser by deserializing bfbs schema
flatbuffers::Parser parser2;
ok = parser2.Deserialize((uint8_t *)bfbs_file.c_str(), bfbs_file.length());
assert(ok);
// parse json in parser from fbs and bfbs
ok = parser1.Parse(json_file.c_str(), include_directories);
assert(ok);
ok = parser2.Parse(json_file.c_str(), include_directories);
assert(ok);
// to ensure it is correct, we now generate text back from the binary,
// and compare the two:
std::string jsongen1;
if (!GenerateText(parser1, parser1.builder_.GetBufferPointer(), &jsongen1)) {
printf("Couldn't serialize parsed data to JSON!\n");
return 1;
}
std::string jsongen2;
if (!GenerateText(parser2, parser2.builder_.GetBufferPointer(), &jsongen2)) {
printf("Couldn't serialize parsed data to JSON!\n");
return 1;
}
if (jsongen1 != jsongen2) {
printf("%s----------------\n%s", jsongen1.c_str(), jsongen2.c_str());
}
printf("The FlatBuffer has been parsed from JSON successfully.\n");
}
|