NvUffParser.h

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#ifndef NV_UFF_PARSER_H
#define NV_UFF_PARSER_H

#include "NvInfer.h"

//Current supported Universal Framework Format (UFF) version for the parser.
#define UFF_REQUIRED_VERSION_MAJOR 0
#define UFF_REQUIRED_VERSION_MINOR 3
#define UFF_REQUIRED_VERSION_PATCH 0

namespace nvuffparser
{

enum class UffInputOrder : int
{
    kNCHW = 0,  
    kNHWC = 1,  
    kNC = 2     
};


enum class FieldType : int
{
    kFLOAT = 0,     
    kINT32 = 1,     
    kCHAR = 2,      
    kDIMS = 4,      
    kDATATYPE = 5,  
    kUNKNOWN = 6
};

class TENSORRTAPI FieldMap
{
public:
    const char* name;
    const void* data;
    FieldType type = FieldType::kUNKNOWN;
    int length = 1;

    FieldMap(const char* name, const void* data, const FieldType type, int length = 1);
};

struct FieldCollection
{
    int nbFields;
    const FieldMap* fields;
};

class IPluginFactory
{
public:
    virtual bool isPlugin(const char* layerName) = 0;

    virtual nvinfer1::IPlugin* createPlugin(const char* layerName, const nvinfer1::Weights* weights, int nbWeights,
                                            const FieldCollection fc) = 0;

};

class IPluginFactoryExt : public IPluginFactory
{
public:
    virtual int getVersion() const
    {
        return NV_TENSORRT_VERSION;
    }

    virtual bool isPluginExt(const char* layerName) = 0;
};

class IUffParser
{
public:
    virtual bool registerInput(const char* inputName, nvinfer1::Dims inputDims, UffInputOrder inputOrder) = 0;

    virtual bool registerOutput(const char* outputName) = 0;

    virtual bool parse(const char* file,
                       nvinfer1::INetworkDefinition& network,
                       nvinfer1::DataType weightsType=nvinfer1::DataType::kFLOAT) = 0;

    virtual bool parseBuffer(const char* buffer, std::size_t size,
                             nvinfer1::INetworkDefinition& network,
                             nvinfer1::DataType weightsType=nvinfer1::DataType::kFLOAT) = 0;

    virtual void destroy() = 0;

    virtual int getUffRequiredVersionMajor() = 0;

    virtual int getUffRequiredVersionMinor() = 0;

    virtual int getUffRequiredVersionPatch() = 0;

    virtual void setPluginFactory(IPluginFactory* factory) = 0;

    virtual void setPluginFactoryExt(IPluginFactoryExt* factory) = 0;

protected:
    virtual ~IUffParser() {}
};

TENSORRTAPI IUffParser* createUffParser();

TENSORRTAPI void shutdownProtobufLibrary(void);

}

#endif /* !NV_UFF_PARSER_H */