blob: d8753c84f0dd5e08f0d6cb821c8619e686dcc4a4 [file] [log] [blame]
James Kuszmaul8e62b022022-03-22 09:33:25 -07001/*
2 * Copyright 2021 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#ifndef FLATBUFFERS_STRUCT_H_
18#define FLATBUFFERS_STRUCT_H_
19
20#include "flatbuffers/base.h"
21
22namespace flatbuffers {
23
24// "structs" are flat structures that do not have an offset table, thus
25// always have all members present and do not support forwards/backwards
26// compatible extensions.
27
28class Struct FLATBUFFERS_FINAL_CLASS {
29 public:
30 template<typename T> T GetField(uoffset_t o) const {
31 return ReadScalar<T>(&data_[o]);
32 }
33
34 template<typename T> T GetStruct(uoffset_t o) const {
35 return reinterpret_cast<T>(&data_[o]);
36 }
37
38 const uint8_t *GetAddressOf(uoffset_t o) const { return &data_[o]; }
39 uint8_t *GetAddressOf(uoffset_t o) { return &data_[o]; }
40
41 private:
42 // private constructor & copy constructor: you obtain instances of this
43 // class by pointing to existing data only
44 Struct();
45 Struct(const Struct &);
46 Struct &operator=(const Struct &);
47
48 uint8_t data_[1];
49};
50
51} // namespace flatbuffers
52
53#endif // FLATBUFFERS_STRUCT_H_