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/*
* Copyright (c) 2019 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 __ONNX_NODE_CONVERTER_REGISTRY_H__
#define __ONNX_NODE_CONVERTER_REGISTRY_H__
#include "onnx/onnx.pb.h"
#include "mir/Graph.h"
#include <map>
#include <string>
#include <vector>
namespace mir_onnx
{
class ModelContext
{
public:
explicit ModelContext(const onnx::ModelProto *model);
void setDomainOpsetVersion(const std::string &domain, const int64_t opset_version);
int64_t getDomainOpsetVersion(const std::string &domain) const;
private:
std::map<std::string, int64_t> _domainToOpsetVersion;
};
class ConverterContext
{
public:
explicit ConverterContext(mir::Graph *graph);
~ConverterContext() = default;
void setOutput(const std::string &name, mir::Operation::Output *output);
mir::Operation::Output *getOutput(const std::string &name) const;
std::vector<mir::Operation::Output *> getNodeInputs(const onnx::NodeProto &onnx_node) const;
void setNodeOutputs(const onnx::NodeProto &onnx_node,
const std::vector<mir::Operation::Output *> &outputs);
mir::Graph *getGraph() const { return _graph; }
private:
std::map<std::string, mir::Operation::Output *> _tensorNameToOutput;
mir::Graph *_graph;
};
class NodeConverterRegistry
{
public:
using ConverterFunc = void (*)(const onnx::NodeProto &onnx_node, ConverterContext *context);
NodeConverterRegistry() = default;
ConverterFunc lookup(const std::string &optype, int64_t opset) const;
void registerConverter(const std::string &op_type, int64_t opset, ConverterFunc conv);
static NodeConverterRegistry &getInstance();
private:
using VersionMap = std::map<int64_t, ConverterFunc>;
std::unordered_map<std::string, VersionMap> _converter_map;
};
} // namespace mir_onnx
#endif // __ONNX_NODE_CONVERTER_REGISTRY_H__
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