ViewField.H

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#ifndef VIEWFIELD_H
#define VIEWFIELD_H
 
#include <string>
 
#include "amr-wind/core/FieldDescTypes.H"
#include "AMReX_MultiFab.H"
#include "AMReX_Vector.H"
 
namespace amr_wind {
 
class FieldRepo;
 
template <typename T>
class ViewField
{
public:
    friend T;
 
    ViewField(const ViewField&) = delete;
    ViewField& operator=(const ViewField&) = delete;
 
    ViewField(ViewField&&) = default;
    ViewField& operator=(ViewField&&) = default;
 
    inline std::string name() const { return m_src.name() + "view"; }
 
    inline int num_comp() const { return m_ncomp; }
 
    inline const amrex::IntVect& num_grow() const { return m_src.num_grow(); }
 
    inline FieldLoc field_location() const { return m_src.field_location(); }
 
    amrex::MultiFab& operator()(int lev) { return m_data[lev]; }
    const amrex::MultiFab& operator()(int lev) const { return m_data[lev]; }
 
    amrex::Vector<amrex::MultiFab*> vec_ptrs() noexcept
    {
        return amrex::GetVecOfPtrs(m_data);
    }
 
    amrex::Vector<const amrex::MultiFab*> vec_const_ptrs() const noexcept
    {
        return amrex::GetVecOfConstPtrs(m_data);
    }
 
    const FieldRepo& repo() const { return m_src.repo(); }
 
    T& source_field() { return m_src; }
    const T& source_field() const { return m_src; }
 
private:
    // cppcheck-suppress noExplicitConstructor
    ViewField(T& src, const int scomp = 0, const int ncomp = 1);
 
    T& m_src;
 
    int m_scomp;
 
    int m_ncomp;
 
    amrex::Vector<amrex::MultiFab> m_data;
};
 
} // namespace amr_wind
 
#endif /* VIEWFIELD_H */