DataElement.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstUtil/StringView.hpp"
#include "AstUtil/Dimension.hpp"
#include <string>
 
AST_NAMESPACE_BEGIN
 
typedef errc_t (*ElementExtractFunc)(const VariantVector& data, VariantVector& element);
 
 
AST_REPORT_CAPI errc_t aExtractNoop(const VariantVector& data, VariantVector& element);
 
 
class DataElement
{
public:
 
    DataElement() = default;
 
    ~DataElement() = default;
 
 
    const char* name() const { return name_; }
 
    void setName(const char* name){ name_ = name; }
 
    Dimension dimension() const { return dimension_; }
 
    void setDimension(Dimension dimension){ dimension_ = dimension; }
 
    void setExtractFunc(ElementExtractFunc extractFunc);
 
    ElementExtractFunc extractFunc() const { return extractFunc_; }
 
 
    errc_t extract(const VariantVector& data, VariantVector& element) const { return extractFunc_(data, element); }
 
 
private:
    const char* name_{""};                              
    Dimension dimension_{Dimension::Unit()};            
    ElementExtractFunc extractFunc_{&aExtractNoop};     
};
 
AST_NAMESPACE_END