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/*
* 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_IMPORT_H__
#define __CIRCLE_IMPORT_H__
#include <mio/circle/schema_generated.h>
#include <souschef/TensorFiller.h>
#include <circlechef.pb.h>
#include <map>
#include <vector>
namespace circlechef
{
using CircleSubGraphs_t = flatbuffers::Vector<flatbuffers::Offset<circle::SubGraph>>;
using CircleTensors_t = flatbuffers::Vector<flatbuffers::Offset<circle::Tensor>>;
using CircleBuffers_t = flatbuffers::Vector<flatbuffers::Offset<circle::Buffer>>;
using CircleOperators_t = flatbuffers::Vector<flatbuffers::Offset<circle::Operator>>;
const char *tensor_type(const circle::Tensor *tensor);
const char *tensor_name(const circle::Tensor *tensor);
bool is_valid(const circle::OperatorCode *opcode);
bool is_custom(const circle::OperatorCode *opcode);
/**
* @brief Loads TF lite file and provides helpers to access attributes
*/
class CircleImport : public souschef::TensorFiller
{
public:
CircleImport(const circle::Model *model);
CircleImport() = delete;
public:
bool select_sub_graph(uint32_t subgraph);
public:
const CircleBuffers_t *buffers() { return _buffers; }
const CircleTensors_t *tensors() { return _tensors; }
const CircleOperators_t *operators() { return _operators; }
const std::vector<int32_t> &inputs() const { return _inputs; }
const std::vector<int32_t> &outputs() const { return _outputs; }
uint32_t num_subgraph() const { return _subgraphs->Length(); }
circle::BuiltinOperator builtin_code(const circle::Operator *op) const;
std::string opcode_name(const circle::Operator *op) const;
size_t buffer_info(const circle::Tensor *tensor, const uint8_t **buff_data);
private:
const CircleSubGraphs_t *_subgraphs{nullptr};
const CircleBuffers_t *_buffers{nullptr};
const CircleTensors_t *_tensors{nullptr};
const CircleOperators_t *_operators{nullptr};
std::vector<const circle::OperatorCode *> _op_codes{};
std::vector<int32_t> _inputs{};
std::vector<int32_t> _outputs{};
};
} // namespace circlechef
#endif // __CIRCLE_IMPORT_H__
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