SubdeviceConvertingDecorator.h

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// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
// SPDX-License-Identifier: LGPL-3.0-or-later
#pragma once
 
#include "NDRegisterAccessorDecorator.h"
#include "RawConverter.h"
 
namespace ChimeraTK {
 
  /********************************************************************************************************************/
 
  template<typename UserType, typename TargetUserType>
  class ConvertingDecorator : public NDRegisterAccessorDecorator<UserType, TargetUserType> {
   public:
    explicit ConvertingDecorator(const boost::shared_ptr<ChimeraTK::NDRegisterAccessor<TargetUserType>>& target,
        NumericAddressedRegisterInfo const& registerInfo);
 
    void doPreRead(TransferType type) override;
 
    void doPostRead(TransferType type, bool hasNewData) override;
 
    // Callback for ConverterLoopHelper, see documentation there.
    template<class CookedType, typename RawType, RawConverter::SignificantBitsCase sc, RawConverter::FractionalCase fc,
        bool isSigned>
    void doPostReadImpl(RawConverter::Converter<CookedType, RawType, sc, fc, isSigned> converter,
        [[maybe_unused]] size_t implParameter);
 
    void doPreWrite(TransferType type, VersionNumber versionNumber) override;
 
    // Callback for ConverterLoopHelper, see documentation there.
    template<class CookedType, typename RawType, RawConverter::SignificantBitsCase sc, RawConverter::FractionalCase fc,
        bool isSigned>
    void doPreWriteImpl(RawConverter::Converter<CookedType, RawType, sc, fc, isSigned> converter,
        [[maybe_unused]] size_t implParameter);
 
    void doPostWrite(TransferType type, VersionNumber versionNumber) override;
 
    [[nodiscard]] bool mayReplaceOther(const boost::shared_ptr<ChimeraTK::TransferElement const>& other) const override;
 
   protected:
    std::unique_ptr<RawConverter::ConverterLoopHelper> _converterLoopHelper;
    NumericAddressedRegisterInfo _registerInfo;
 
    using NDRegisterAccessorDecorator<UserType, TargetUserType>::_target;
    using NDRegisterAccessor<UserType>::buffer_2D;
  };
 
  /********************************************************************************************************************/
 
  DECLARE_MULTI_TEMPLATE_FOR_CHIMERATK_USER_TYPES(ConvertingDecorator, uint8_t);
  DECLARE_MULTI_TEMPLATE_FOR_CHIMERATK_USER_TYPES(ConvertingDecorator, uint16_t);
  DECLARE_MULTI_TEMPLATE_FOR_CHIMERATK_USER_TYPES(ConvertingDecorator, uint32_t);
  DECLARE_MULTI_TEMPLATE_FOR_CHIMERATK_USER_TYPES(ConvertingDecorator, uint64_t);
 
  // FIXME: get rid of the signed ints!
  DECLARE_MULTI_TEMPLATE_FOR_CHIMERATK_USER_TYPES(ConvertingDecorator, int32_t);
 
} // namespace ChimeraTK