hawp_scalar_decoder.hpp

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#pragma once

#include <stdexcept>
#include <memory>

#include "../wavepackets/hawp_commons.hpp"
#include "../wavepackets/shapes/shape_enumerator.hpp"
#include "../csv/hawp_coeffs_loader.hpp"
#include "hawp_paramset_decoder.hpp"
#include "shape_decoder.hpp"


namespace waveblocks {
    namespace yaml {

        template<dim_t D, class MultiIndex>
        struct ScalarHaWpDecoder
        {
        public:
            unsigned logging_verbosity = 0; // logging disabled by default

            ScalarHaWp<D,MultiIndex> operator()(YAML::Node const& config)
            {
                if (config["dimensionality"] && D != config["dimensionality"].as<int>())
                    throw std::runtime_error("incompatible wavepacket. reason: dimensionality does not match");

                if (config["n_components"] && 1 != config["n_components"].as<int>())
                    throw std::runtime_error("incompatible wavepacket. reason: number of components > 1");

                if (1 != config["parameters"].size())
                    throw std::runtime_error("incompatible wavepacket. reason: number of parameter sets > 1");

                if (1 != config["shapes"].size())
                    throw std::runtime_error("incompatible wavepacket. reason: number of shapes > 1");

                //         if (1 != config["coefficients"].size())
                //             throw std::runtime_error("incompatible wavepacket. reason: number of coefficients vectors > 1");
                //

                // (1) decode eps
                ScalarHaWp<D,MultiIndex> wp;
                wp.eps() = config["eps"].as<double>();

                // (2) decode parameters
                HaWpParamSetDecoder<D> paramset_decoder;
                wp.parameters() = paramset_decoder(config["parameters"][0]);

                // (3) decode and enumerate shape
                ShapeDecoder<D> shape_decoder;
                ShapeEnumerator<D,MultiIndex> shape_enumerator;
                AbstractShape<D>* shape = shape_decoder(config["shapes"][0]);
                wp.shape() = shape_enumerator.enumerate(shape);
                delete shape;

                return wp;
            }
        };
    }
}