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 22 using 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. 26 int 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
