INullOptEdge.hpp

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// -------------------------------------------------------//
//
// SHAMROCK code for hydrodynamics
// Copyright (c) 2021-2026 Timothée David--Cléris <tim.shamrock@proton.me>
// SPDX-License-Identifier: CeCILL Free Software License Agreement v2.1
// Shamrock is licensed under the CeCILL 2.1 License, see LICENSE for more information
//
// -------------------------------------------------------//
 
#pragma once

 
#include "shamsolvergraph/edge/IEdge.hpp"
#include <memory>
#include <optional>
 
namespace shamrock::solvergraph {
 
    class INullOptEdge : public IEdge {
        public:
        INullOptEdge() : IEdge() {}
 
        virtual std::string _impl_get_dot_label() const { return "null_opt_edge"; }
        virtual std::string _impl_get_tex_symbol() const { return "null_opt_edge"; }
        virtual void free_alloc() {}
    };
 
    inline std::shared_ptr<INullOptEdge> make_null_opt_edge() {
        return std::make_shared<INullOptEdge>();
    }
 
    inline bool is_null_opt_edge(const std::shared_ptr<IEdge> &edge) {
        return std::dynamic_pointer_cast<INullOptEdge>(edge) != nullptr;
    }
 
    template<class T>
    inline std::shared_ptr<IEdge> obsfucate_null_opt_edge(const std::optional<T> &edge) {
        if (edge.has_value()) {
            return edge.value();
        } else {
            return make_null_opt_edge();
        }
    }
 
} // namespace shamrock::solvergraph