MHO_AxisPack.hh

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#ifndef MHO_AxisPack_HH__
#define MHO_AxisPack_HH__
 
#include "MHO_Axis.hh"
#include "MHO_Meta.hh"
 
namespace hops
{
 
template< typename... XAxisTypeS > class MHO_AxisPack: public std::tuple< XAxisTypeS... >, virtual public MHO_Serializable
{
    public:
        MHO_AxisPack(): std::tuple< XAxisTypeS... >(){};
 
        MHO_AxisPack(const std::size_t* dim): std::tuple< XAxisTypeS... >() { resize_axis_pack(dim); };
 
        //copy constructor
        MHO_AxisPack(const MHO_AxisPack& obj): std::tuple< XAxisTypeS... >(obj){};
 
        virtual ~MHO_AxisPack(){};
 
        //declare some convenience types
        typedef std::integral_constant< std::size_t, sizeof...(XAxisTypeS) > NAXES;
        typedef std::tuple< XAxisTypeS... > axis_pack_tuple_type;
 
        virtual uint64_t GetSerializedSize() const override
        {
            uint64_t total_size = 0;
            total_size += sizeof(MHO_ClassVersion);
            compute_total_size(total_size);
            return total_size;
        }
 
        virtual
 
            //assignment operator
            MHO_AxisPack&
            operator=(const MHO_AxisPack& rhs)
        {
            this->copy(rhs);
            return *this;
        }
 
    protected:
        template< std::size_t N = 0 >
        typename std::enable_if< (N == sizeof...(XAxisTypeS)), void >::type
        resize_axis_pack(const std::size_t* ){}; //terminating case, do nothing
 
        template< std::size_t N = 0 >
        typename std::enable_if< (N < sizeof...(XAxisTypeS)), void >::type resize_axis_pack(const std::size_t* dim)
        {
            //resize the N-th element of the tuple
            std::get< N >(*this).Resize(dim[N]);
            //now run the induction
            resize_axis_pack< N + 1 >(dim);
        }
 
        // //inductive access to all elements of the tuple, so we compute total size for streaming
        template< std::size_t N = 0 >
        typename std::enable_if< (N == sizeof...(XAxisTypeS)), void >::type
        compute_total_size(uint64_t& ) const {}; //terminating case, do nothing
 
        template< std::size_t N = 0 >
        typename std::enable_if< (N < sizeof...(XAxisTypeS)), void >::type compute_total_size(uint64_t& total_size) const
        {
            total_size += std::get< N >(*this).GetSerializedSize();
            //now run the induction
            compute_total_size< N + 1 >(total_size);
        }
 
        template< std::size_t N = 0 >
        typename std::enable_if< (N == sizeof...(XAxisTypeS)), void >::type
        copy(const MHO_AxisPack&) const {}; //terminating case, do nothing
 
        template< std::size_t N = 0 >
        typename std::enable_if< (N < sizeof...(XAxisTypeS)), void >::type copy(const MHO_AxisPack& rhs)
        {
            std::get< N >(*this).Copy(std::get< N >(rhs));
            copy< N + 1 >(rhs);
        }
 
    public:
        template< typename XStream > friend XStream& operator<<(XStream& s, const MHO_AxisPack& aData)
        {
            switch(aData.GetVersion())
            {
                case 0:
                    s << aData.GetVersion();
                    aData.StreamOutData_V0(s);
                    break;
                default:
                    msg_error("containers",
                              "error, cannot stream out MHO_Axis object with unknown version: " << aData.GetVersion() << eom);
            }
            return s;
        }
 
        template< typename XStream > friend XStream& operator>>(XStream& s, MHO_AxisPack& aData)
        {
            MHO_ClassVersion vers;
            s >> vers;
            switch(vers)
            {
                case 0:
                    aData.StreamInData_V0(s);
                    break;
                default:
                    MHO_ClassIdentity::ClassVersionErrorMsg(aData, vers);
                    //Flag this as an unknown object version so we can skip over this data
                    MHO_ObjectStreamState< XStream >::SetUnknown(s);
            }
            return s;
        }
 
    private:
        template< typename XStream > void StreamInData_V0(XStream& s) { istream_tuple(s, *this); }
 
        template< typename XStream > void StreamOutData_V0(XStream& s) const { ostream_tuple(s, *this); }
 
        virtual MHO_UUID DetermineTypeUUID() const override
        {
            MHO_MD5HashGenerator gen;
            gen.Initialize();
            std::string name = MHO_ClassIdentity::ClassName(*this);
            gen << name;
            gen.Finalize();
            return gen.GetDigestAsUUID();
        }
};
 
 
//TODO FIXME -- find away to loop over macro arguments so we dont need so many
//boilerplate definitions
 
using Int = int;
using Double = double;
using String = std::string;
 
#define DefAxisPack1(TYPE1) using MHO_AxisPack_##TYPE1 = MHO_AxisPack< MHO_Axis##TYPE1 >;
 
#define DefAxisPack2(TYPE1, TYPE2) using MHO_AxisPack_##TYPE1##_##TYPE2 = MHO_AxisPack< MHO_Axis##TYPE1, MHO_Axis##TYPE2 >;
 
#define DefAxisPack3(TYPE1, TYPE2, TYPE3)                                                                                      \
    using MHO_AxisPack_##TYPE1##_##TYPE2##_##TYPE3 = MHO_AxisPack< MHO_Axis##TYPE1, MHO_Axis##TYPE2, MHO_Axis##TYPE3 >;
 
#define DefAxisPack4(TYPE1, TYPE2, TYPE3, TYPE4)                                                                               \
    using MHO_AxisPack_##TYPE1##_##TYPE2##_##TYPE3##_##TYPE4 =                                                                 \
        MHO_AxisPack< MHO_Axis##TYPE1, MHO_Axis##TYPE2, MHO_Axis##TYPE3, MHO_Axis##TYPE4 >;
 
 
DefAxisPack1(Int);
DefAxisPack1(Double);
DefAxisPack1(String);
 
 
DefAxisPack2(Int, Int);
DefAxisPack2(Int, Double);
DefAxisPack2(Int, String);
DefAxisPack2(Double, Int);
DefAxisPack2(Double, Double);
DefAxisPack2(Double, String);
DefAxisPack2(String, Int);
DefAxisPack2(String, Double);
DefAxisPack2(String, String);
 
 
DefAxisPack3(Int, Int, Int);
DefAxisPack3(Int, Int, Double);
DefAxisPack3(Int, Int, String);
DefAxisPack3(Int, Double, Int);
DefAxisPack3(Int, Double, Double);
DefAxisPack3(Int, Double, String);
DefAxisPack3(Int, String, Int);
DefAxisPack3(Int, String, Double);
DefAxisPack3(Int, String, String);
 
DefAxisPack3(Double, Int, Int);
DefAxisPack3(Double, Int, Double);
DefAxisPack3(Double, Int, String);
DefAxisPack3(Double, Double, Int);
DefAxisPack3(Double, Double, Double);
DefAxisPack3(Double, Double, String);
DefAxisPack3(Double, String, Int);
DefAxisPack3(Double, String, Double);
DefAxisPack3(Double, String, String);
 
DefAxisPack3(String, Int, Int);
DefAxisPack3(String, Int, Double);
DefAxisPack3(String, Int, String);
DefAxisPack3(String, Double, Int);
DefAxisPack3(String, Double, Double);
DefAxisPack3(String, Double, String);
DefAxisPack3(String, String, Int);
DefAxisPack3(String, String, Double);
DefAxisPack3(String, String, String);
 
 
DefAxisPack4(Int, Int, Int, Int);
DefAxisPack4(Int, Int, Int, Double);
DefAxisPack4(Int, Int, Int, String);
DefAxisPack4(Int, Int, Double, Int);
DefAxisPack4(Int, Int, Double, Double);
DefAxisPack4(Int, Int, Double, String);
DefAxisPack4(Int, Int, String, Int);
DefAxisPack4(Int, Int, String, Double);
DefAxisPack4(Int, Int, String, String);
 
DefAxisPack4(Int, Double, Int, Int);
DefAxisPack4(Int, Double, Int, Double);
DefAxisPack4(Int, Double, Int, String);
DefAxisPack4(Int, Double, Double, Int);
DefAxisPack4(Int, Double, Double, Double);
DefAxisPack4(Int, Double, Double, String);
DefAxisPack4(Int, Double, String, Int);
DefAxisPack4(Int, Double, String, Double);
DefAxisPack4(Int, Double, String, String);
 
DefAxisPack4(Int, String, Int, Int);
DefAxisPack4(Int, String, Int, Double);
DefAxisPack4(Int, String, Int, String);
DefAxisPack4(Int, String, Double, Int);
DefAxisPack4(Int, String, Double, Double);
DefAxisPack4(Int, String, Double, String);
DefAxisPack4(Int, String, String, Int);
DefAxisPack4(Int, String, String, Double);
DefAxisPack4(Int, String, String, String);
 
 
DefAxisPack4(Double, Int, Int, Int);
DefAxisPack4(Double, Int, Int, Double);
DefAxisPack4(Double, Int, Int, String);
DefAxisPack4(Double, Int, Double, Int);
DefAxisPack4(Double, Int, Double, Double);
DefAxisPack4(Double, Int, Double, String);
DefAxisPack4(Double, Int, String, Int);
DefAxisPack4(Double, Int, String, Double);
DefAxisPack4(Double, Int, String, String);
 
DefAxisPack4(Double, Double, Int, Int);
DefAxisPack4(Double, Double, Int, Double);
DefAxisPack4(Double, Double, Int, String);
DefAxisPack4(Double, Double, Double, Int);
DefAxisPack4(Double, Double, Double, Double);
DefAxisPack4(Double, Double, Double, String);
DefAxisPack4(Double, Double, String, Int);
DefAxisPack4(Double, Double, String, Double);
DefAxisPack4(Double, Double, String, String);
 
DefAxisPack4(Double, String, Int, Int);
DefAxisPack4(Double, String, Int, Double);
DefAxisPack4(Double, String, Int, String);
DefAxisPack4(Double, String, Double, Int);
DefAxisPack4(Double, String, Double, Double);
DefAxisPack4(Double, String, Double, String);
DefAxisPack4(Double, String, String, Int);
DefAxisPack4(Double, String, String, Double);
DefAxisPack4(Double, String, String, String);
 
 
DefAxisPack4(String, Int, Int, Int);
DefAxisPack4(String, Int, Int, Double);
DefAxisPack4(String, Int, Int, String);
DefAxisPack4(String, Int, Double, Int);
DefAxisPack4(String, Int, Double, Double);
DefAxisPack4(String, Int, Double, String);
DefAxisPack4(String, Int, String, Int);
DefAxisPack4(String, Int, String, Double);
DefAxisPack4(String, Int, String, String);
 
DefAxisPack4(String, Double, Int, Int);
DefAxisPack4(String, Double, Int, Double);
DefAxisPack4(String, Double, Int, String);
DefAxisPack4(String, Double, Double, Int);
DefAxisPack4(String, Double, Double, Double);
DefAxisPack4(String, Double, Double, String);
DefAxisPack4(String, Double, String, Int);
DefAxisPack4(String, Double, String, Double);
DefAxisPack4(String, Double, String, String);
 
DefAxisPack4(String, String, Int, Int);
DefAxisPack4(String, String, Int, Double);
DefAxisPack4(String, String, Int, String);
DefAxisPack4(String, String, Double, Int);
DefAxisPack4(String, String, Double, Double);
DefAxisPack4(String, String, Double, String);
DefAxisPack4(String, String, String, Int);
DefAxisPack4(String, String, String, Double);
DefAxisPack4(String, String, String, String);
 
} // namespace hops
 
#endif