IntValueWrapper.h

//
// Copyright 2014 - 2024 (C). Alex Robenko. All rights reserved.
//
 
// This file is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
#pragma once
 
#include <cstdint>
#include <cassert>
#include <memory>
 
#include "comms/field/IntValue.h"
#include "NumericValueWrapper.h"
 
namespace cc_tools_qt
{
 
namespace field_wrapper
{
 
class CC_API IntValueWrapper : public NumericValueWrapper<long long int>
{
    typedef NumericValueWrapper<long long int> Base;
public:
 
    typedef Base::UnderlyingType UnderlyingType;
    typedef std::unique_ptr<IntValueWrapper> Ptr;
 
    IntValueWrapper();
    virtual ~IntValueWrapper() noexcept;
 
    UnderlyingType minValue() const;
 
    UnderlyingType maxValue() const;
 
    double getScaled() const;
 
    void setScaled(double value);
 
    double scaleValue(UnderlyingType value) const;
 
    bool isSigned() const;
 
    std::size_t valueTypeSize() const;
 
    Ptr clone();
 
protected:
    virtual UnderlyingType minValueImpl() const = 0;
    virtual UnderlyingType maxValueImpl() const = 0;
    virtual double getScaledImpl() const = 0;
    virtual void setScaledImpl(double value) = 0;
    virtual double scaleValueImpl(UnderlyingType value) const = 0;
    virtual bool isSignedImpl() const = 0;
    virtual std::size_t valueTypeSizeImpl() const = 0;
    virtual Ptr cloneImpl() = 0;
 
    void dispatchImpl(FieldWrapperHandler& handler);
};
 
template <typename TField>
class IntValueWrapperT : public NumericValueWrapperT<IntValueWrapper, TField>
{
    using Base = NumericValueWrapperT<IntValueWrapper, TField>;
    using Field = TField;
    static_assert(comms::field::isIntValue<Field>(), "Must be of IntValueField type");
 
public:
 
    typedef typename Base::UnderlyingType UnderlyingType;
    typedef typename Base::Ptr Ptr;
 
    explicit IntValueWrapperT(Field& fieldRef)
      : Base(fieldRef)
    {
    }
 
    IntValueWrapperT(const IntValueWrapperT&) = default;
    IntValueWrapperT(IntValueWrapperT&&) = default;
    virtual ~IntValueWrapperT() noexcept = default;
 
    IntValueWrapperT& operator=(const IntValueWrapperT&) = delete;
 
protected:
    virtual UnderlyingType minValueImpl() const override
    {
        return std::numeric_limits<typename Field::ValueType>::min();
    }
 
    virtual UnderlyingType maxValueImpl() const override
    {
        return std::numeric_limits<typename Field::ValueType>::max();
    }
 
    virtual double getScaledImpl() const override
    {
        return Base::field().template scaleAs<double>();
    }
 
    virtual void setScaledImpl(double value) override
    {
        Base::field().setScaled(value);
    }
 
    virtual double scaleValueImpl(UnderlyingType value) const override
    {
        Field fieldTmp;
        fieldTmp.setValue(value);
        return fieldTmp.template scaleAs<double>();
    }
 
    virtual bool isSignedImpl() const override
    {
        return std::is_signed<typename Field::ValueType>::value;
    }
 
    virtual std::size_t valueTypeSizeImpl() const override
    {
        return sizeof(typename Field::ValueType);
    }
 
    virtual Ptr cloneImpl() override
    {
        return Ptr(new IntValueWrapperT<TField>(Base::field()));
    }
};
 
using IntValueWrapperPtr = IntValueWrapper::Ptr;
 
template <typename TField>
IntValueWrapperPtr
makeIntValueWrapper(TField& field)
{
    return
        IntValueWrapperPtr(
            new IntValueWrapperT<TField>(field));
}
 
}  // namespace field_wrapper
 
}  // namespace cc_tools_qt