github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/executor/_include/flatbuffers/struct.h (about)

     1  /*
     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  
    22  namespace 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  
    28  class 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_