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#pragma once
#include "nczarrmulti.h"
#include <variant>
using NCZarrBase = std::variant<Zarr, NCSimple, ZarrMulti, NCMulti>;
#define DEFFUNC(NAME) \
auto NAME() const \
{ \
return V([](const auto& arg) { return arg.NAME(); }); \
}
#define DEFFUNC1(NAME) \
auto NAME(const MString& v) const \
{ \
return V([&v = std::as_const(v)](const auto& arg) { return arg.NAME(v); }); \
}
#define DEFFUNC2(NAME) \
auto NAME(const MString& v1, const MString& v2) const \
{ \
return V([&v1 = std::as_const(v1), &v2 = std::as_const(v2)](const auto& arg) { return arg.NAME(v1, v2); }); \
}
class NCZarr: private NCZarrBase, private DimReqDef
{
template<class Visitor> auto V(Visitor&& visitor) const { return std::visit(std::forward<Visitor>(visitor), *static_cast<const NCZarrBase*>(this)); }
public:
explicit operator bool() const
{
return V([](const auto& arg) { return static_cast<bool>(arg); });
}
DEFFUNC1(NDim)
DEFFUNC(NAtt)
DEFFUNC1(NAtt)
DEFFUNC(AttNames)
DEFFUNC1(AttNames)
DEFFUNC(VarNames)
DEFFUNC1(VarT)
DEFFUNC1(VarFill)
DEFFUNC1(DimNames)
DEFFUNC2(DimSize)
DEFFUNC2(AttT)
DEFFUNC2(AttInt)
DEFFUNC2(AttUInt)
DEFFUNC2(AttReal)
DEFFUNC2(AttString)
DEFFUNC2(AttBool)
DEFFUNC1(AttT)
DEFFUNC1(AttInt)
DEFFUNC1(AttUInt)
DEFFUNC1(AttReal)
DEFFUNC1(AttString)
DEFFUNC1(AttBool)
DEFFUNC2(HasDim)
DEFFUNC1(HasVar)
DEFFUNC1(HasAtt)
DEFFUNC2(HasAtt)
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform, const char* request) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform, request = request](const auto& arg) { return arg.Read(vname, data, transform, request); });
}
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform, DimReq&& req1) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform, &req1 = req1](const auto& arg) { return arg.Read(vname, data, transform, std::move(req1)); });
}
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform, DimReq&& req1, DimReq&& req2) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform, &req1 = req1, &req2 = req2](const auto& arg)
{ return arg.Read(vname, data, transform, std::move(req1), std::move(req2)); });
}
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform, DimReq&& req1, DimReq&& req2, DimReq&& req3) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform, &req1 = req1, &req2 = req2, &req3 = req3](const auto& arg)
{ return arg.Read(vname, data, transform, std::move(req1), std::move(req2), std::move(req3)); });
}
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform, DimReq&& req1, DimReq&& req2, DimReq&& req3, DimReq&& req4) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform, &req1 = req1, &req2 = req2, &req3 = req3, &req4 = req4](const auto& arg)
{ return arg.Read(vname, data, transform, std::move(req1), std::move(req2), std::move(req3), std::move(req4)); });
}
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform](const auto& arg) { return arg.Read(vname, data, transform); });
}
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform, const std::vector<DimReqDef::DimReq>& reqs) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform, &reqs = std::as_const(reqs)](const auto& arg) { return arg.Read(vname, data, transform, reqs); });
}
template<class Data, class Transform> Error Read(const MString& vname, Data& data, Transform transform, const MString& request) const
{
return V([&vname = std::as_const(vname), &data = data, &transform = transform, &request = std::as_const(request)](const auto& arg)
{ return arg.Read(vname, data, transform, request); });
}
template<class Type> Error Read(const MString& vname, std::vector<Type>& out) const
{
return V([&vname = std::as_const(vname), &out = out](const auto& arg) { return arg.Read(vname, out); });
}
Error OpenNC(const MString& filename)
{
auto pv = static_cast<NCZarrBase*>(this);
*pv = NCZarrBase(NCSimple());
auto p = std::get_if<NCSimple>(pv);
if(p == nullptr) return Error("NCZarr::OpenNC", "Impossible error!");
return p->Open(filename);
}
Error OpenZarr(const MString& product, const MString& dataset, bool time = true)
{
auto pv = static_cast<NCZarrBase*>(this);
*pv = NCZarrBase(Zarr());
auto p = std::get_if<Zarr>(pv);
if(p == nullptr) return Error("NCZarr::OpenNC", "Impossible error!");
return p->Open(product, dataset, time);
}
Error OpenMultiNC(const std::vector<MString>& names)
{
if(names.size() == 0) return Error("NCZarr::OpenMultiNC", "no names");
if(names.size() == 1) return OpenNC(names[0]);
auto pv = static_cast<NCZarrBase*>(this);
*pv = NCZarrBase(NCMulti());
auto p = std::get_if<NCMulti>(pv);
if(p == nullptr) return Error("NCZarr::OpenMultiNC", "Impossible error!");
return p->Open(names);
}
Error OpenMultiZarr(const MString& product, const std::vector<MString>& dsets, bool time = true)
{
if(dsets.size() == 0) return Error("NCZarr::OpenMultiZarr", "no datasets");
if(dsets.size() == 1) return OpenZarr(product, dsets[0], time);
auto pv = static_cast<NCZarrBase*>(this);
*pv = NCZarrBase(ZarrMulti());
auto p = std::get_if<ZarrMulti>(pv);
if(p == nullptr) return Error("NCZarr::OpenMultiZarr", "Impossible error!");
return p->Open(product, dsets, time);
}
};
#undef DEFFUNC
#undef DEFFUNC1
#undef DEFFUNC2