constant_output_extractor.h

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#pragma once
 
#include <libopynsim/documents/output_extractors/output_extractor.h>
#include <libopynsim/documents/output_extractors/output_extractor_data_type.h>
#include <libopynsim/documents/output_extractors/output_value_extractor.h>
 
#include <liboscar/utilities/c_string_view.h>
#include <liboscar/variant/variant.h>
 
#include <cstddef>
#include <string>
#include <string_view>
 
namespace opyn
{
    // an `OutputExtractor` that always emits the same value
    class ConstantOutputExtractor final : public OutputExtractor {
    public:
        ConstantOutputExtractor(std::string_view name, float value) :
            m_Name{name},
            m_Value{value},
            m_Type{OutputExtractorDataType::Float}
        {}
 
        ConstantOutputExtractor(std::string_view name, osc::Vector2 value) :
            m_Name{name},
            m_Value{value},
            m_Type{OutputExtractorDataType::Vector2}
        {}
 
        friend bool operator==(const ConstantOutputExtractor&, const ConstantOutputExtractor&) = default;
    private:
        osc::CStringView implGetName() const override { return m_Name; }
        osc::CStringView implGetDescription() const override { return {}; }
        OutputExtractorDataType implGetOutputType() const override { return m_Type; }
        OutputValueExtractor implGetOutputValueExtractor(const OpenSim::Component&) const override;
        size_t implGetHash() const override;
        bool implEquals(const OutputExtractor&) const override;
 
        std::string m_Name;
        osc::Variant m_Value;
        OutputExtractorDataType m_Type;
    };
}