text: /*
   * Copyright (c) 2020 Samsung Electronics Co., Ltd. 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.
   */
  
  #ifndef __CIRCLE_EXPORTER_IMPL_H__
  #define __CIRCLE_EXPORTER_IMPL_H__
  
  #include "luci/CircleExporter.h"
  
  #include <mio/circle/schema_generated.h>
  
  #include <loco.h>
  
  namespace luci
  {
  
  struct SerializedModelData;
  
  /**
   * internal implementation of interface exporter class
   */
  class CircleExporterImpl
  {
  public:
    CircleExporterImpl() = delete;
    ~CircleExporterImpl() = default;
  
    explicit CircleExporterImpl(loco::Graph *graph);
  
    /**
     * @return pointer to buffer with serialized graph
     */
    const char *getBufferPointer() const;
  
    /**
     * @return size of buffer with serialized graph
     */
    size_t getBufferSize() const;
  
  private:
    /**
     * @brief create Subgraph using data stored in SerializedModelData
     * @param gd information about serializer parts of model
     * @return offset in buffer corresponding to serialized subgraph
     */
    flatbuffers::Offset<circle::SubGraph> exportSubgraph(SerializedModelData &gd);
  
    /**
     * @brief root function that writes graph into internal buffer
     * @param graph
     */
    void exportGraph(loco::Graph *graph);
  
  private:
    flatbuffers::FlatBufferBuilder _builder;
  };
  
  } // namespace luci
  
  #endif // __CIRCLE_EXPORTER_IMPL_H__
  