Program Listing for File kernel_registry.h

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#ifndef KERNEL_REGISTRY_H
#define KERNEL_REGISTRY_H

#include "../ifcgeom/abstract_kernel.h"
#include "../plugin/plugin.h"

#include <functional>
#include <map>
#include <memory>
#include <string>
#include <vector>

namespace ifcopenshell {
    class file;

    namespace geom {
        namespace kernels {

            struct IFC_GEOM_API kernel_info {
                std::string backend_id;
                bool supports_boolean_operations = false;
            };

            class IFC_GEOM_API kernel_registry {
            public:
                typedef std::function<abstract_kernel*(ifcopenshell::file*, ifcopenshell::geom::settings&, ifcopenshell::logger&)> create_fn;

                void bind(const kernel_info& info, create_fn create, const ifcopenshell::plugin::module& module = ifcopenshell::plugin::module());
                bool has(const std::string& backend_id) const;
                std::unique_ptr<abstract_kernel> create(const std::string& backend_id, ifcopenshell::file* file, ifcopenshell::geom::settings& settings, ifcopenshell::logger& logger) const;
                std::vector<kernel_info> kernels() const;

            private:
                struct entry {
                    ifcopenshell::plugin::module module_;
                    kernel_info info_;
                    create_fn create_;
                };

                std::map<std::string, entry> entries_;
            };

            IFC_GEOM_API kernel_registry& kernel_registry_instance();
            IFC_GEOM_API std::unique_ptr<abstract_kernel> construct(ifcopenshell::file* file, const std::string& geometry_library, ifcopenshell::geom::settings& settings, ifcopenshell::logger& logger = ifcopenshell::logger::root());

        }
    }
}

#endif