mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-13 19:07:57 +00:00
Thomas Krijnen
261 lines
13 KiB
C++
261 lines
13 KiB
C++
/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#ifndef ABSTRACT_KERNEL_H
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#define ABSTRACT_KERNEL_H
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#include "../ifcparse/macros.h"
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#include "../ifcparse/logger.h"
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#include "../ifcgeom/ifc_geom_api.h"
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#include "../ifcgeom/IfcGeomRepresentation.h"
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#include "../ifcgeom/taxonomy.h"
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#include "../ifcgeom/ConversionSettings.h"
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#include "../ifcgeom/abstract_mapping.h"
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#include <string_view>
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static const double ALMOST_ZERO = 1.e-9;
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template <typename T>
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inline static bool ALMOST_THE_SAME(const T& a, const T& b, double tolerance = ALMOST_ZERO) {
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return fabs(a - b) < tolerance;
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}
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namespace ifcopenshell {
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#if defined(_MSC_VER)
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#pragma warning(push)
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#pragma warning(disable: 4275)
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#endif
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class IFC_GEOM_API not_implemented_error : public std::exception {
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public:
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const char* what() const noexcept override;
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};
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class IFC_GEOM_API not_supported_error : public std::exception {
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public:
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const char* what() const noexcept override;
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};
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#if defined(_MSC_VER)
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#pragma warning(pop)
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#endif
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namespace geom { namespace kernels {
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class IFC_GEOM_API abstract_kernel {
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private:
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std::unordered_map<taxonomy::item::ptr, ifcopenshell::geom::conversion_results, ifcopenshell::geom::taxonomy::hash_functor, ifcopenshell::geom::taxonomy::equal_functor> cache_;
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protected:
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std::string geometry_library_;
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ifcopenshell::geom::settings settings_;
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::logger& logger_;
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public:
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bool propagate_exceptions = false;
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bool partial_success_is_success = true;
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abstract_kernel(const std::string& geometry_library, const ifcopenshell::geom::settings& settings, ::logger& logger = ::logger::root())
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: geometry_library_(geometry_library)
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, settings_(settings)
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, logger_(logger) {}
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virtual ~abstract_kernel() = default;
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virtual bool convert(const taxonomy::ptr, ifcopenshell::geom::conversion_results&);
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const ifcopenshell::geom::settings& settings() const;
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const std::string& geometry_library() const {
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return geometry_library_;
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}
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virtual std::string_view backend_id() const {
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return geometry_library_;
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}
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virtual bool accepts(const ifcopenshell::geom::conversion_result_shape& shape) const {
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return shape.backend_id() == backend_id();
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}
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::logger& logger() const { return logger_; }
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virtual bool supports_boolean_operations() const = 0;
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virtual bool convert_impl(const taxonomy::matrix4::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::point3::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::direction3::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::line::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::circle::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::ellipse::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::bspline_curve::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::edge::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::loop::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::shell::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::face::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::extrusion::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::node::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::colour::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::boolean_result::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::plane::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::offset_curve::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::revolve::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::bspline_surface::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::cylinder::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::sphere::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::torus::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::solid::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::sweep_along_curve::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::loft::ptr, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual bool convert_impl(const taxonomy::collection::ptr, ifcopenshell::geom::conversion_results&);
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virtual bool convert_impl(const taxonomy::function_item::ptr item, ifcopenshell::geom::conversion_results& cs);
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virtual bool convert_impl(const taxonomy::functor_item::ptr item, ifcopenshell::geom::conversion_results& cs);
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virtual bool convert_impl(const taxonomy::piecewise_function::ptr item, ifcopenshell::geom::conversion_results& cs);
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virtual bool convert_impl(const taxonomy::gradient_function::ptr item, ifcopenshell::geom::conversion_results& cs);
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virtual bool convert_impl(const taxonomy::cant_function::ptr item, ifcopenshell::geom::conversion_results& cs);
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virtual bool convert_impl(const taxonomy::offset_function::ptr item, ifcopenshell::geom::conversion_results& cs);
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/*
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virtual void set_offset(const std::array<double, 3> &p_offset);
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virtual void set_rotation(const std::array<double, 4> &p_rotation);
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*/
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virtual bool apply_layerset(ifcopenshell::geom::conversion_results&, const ifcopenshell::geom::layerset_information&) { throw not_implemented_error(); }
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virtual bool apply_folded_layerset(ifcopenshell::geom::conversion_results&, const ifcopenshell::geom::layerset_information&, const std::map<express::base, ifcopenshell::geom::layerset_information>&) { throw not_implemented_error(); }
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virtual bool convert_openings(const express::base& entity, const std::vector<std::pair<taxonomy::ptr, ifcopenshell::geom::taxonomy::matrix4>>& openings,
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const ifcopenshell::geom::conversion_results& entity_shapes, const ifcopenshell::geom::taxonomy::matrix4& entity_trsf, ifcopenshell::geom::conversion_results& cut_shapes) = 0;
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virtual bool unify_shapes(const ifcopenshell::geom::conversion_results&, ifcopenshell::geom::conversion_results&) { throw not_implemented_error(); }
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virtual abstract_kernel* clone(::logger& logger) const = 0;
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};
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}
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}
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}
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namespace {
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/* A compile-time for loop over the taxonomy kinds */
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template <size_t N>
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struct dispatch_conversion {
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static bool dispatch(ifcopenshell::geom::kernels::abstract_kernel* kernel, ifcopenshell::geom::taxonomy::kinds item_kind, const ifcopenshell::geom::taxonomy::ptr& item, ifcopenshell::geom::conversion_results& results) {
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if (N == item_kind) {
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auto concrete_item = std::static_pointer_cast<ifcopenshell::geom::taxonomy::type_by_kind::type<N>>(item);
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return kernel->convert_impl(concrete_item, results);
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} else {
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return dispatch_conversion<N + 1>::dispatch(kernel, item_kind, item, results);
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}
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}
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};
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template <>
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struct dispatch_conversion<ifcopenshell::geom::taxonomy::type_by_kind::max> {
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static bool dispatch(ifcopenshell::geom::kernels::abstract_kernel* kernel, ifcopenshell::geom::taxonomy::kinds, const ifcopenshell::geom::taxonomy::ptr& item, ifcopenshell::geom::conversion_results&) {
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if (kernel->partial_success_is_success) {
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std::string created_from;
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if (item->instance) {
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created_from = " (created from " + item->instance.declaration().name() + ")";
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}
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kernel->logger().error("UNS", 1, "No support for " + ifcopenshell::geom::taxonomy::kind_to_string(item->kind()) + created_from + " in kernel " + kernel->geometry_library());
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}
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return false;
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}
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};
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template <size_t N>
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struct dispatch_with_upgrade {
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static bool dispatch(ifcopenshell::geom::kernels::abstract_kernel* kernel, const ifcopenshell::geom::taxonomy::ptr& item, ifcopenshell::geom::conversion_results& results) {
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auto concrete_item = ifcopenshell::geom::taxonomy::template dcast<ifcopenshell::geom::taxonomy::upgrades::type<N>>(item);
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if (concrete_item) {
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return kernel->convert_impl(concrete_item, results);
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} else {
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return dispatch_with_upgrade<N + 1>::dispatch(kernel, item, results);
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}
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}
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};
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template <>
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struct dispatch_with_upgrade<ifcopenshell::geom::taxonomy::upgrades::max> {
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static bool dispatch(ifcopenshell::geom::kernels::abstract_kernel* kernel, const ifcopenshell::geom::taxonomy::ptr& item, ifcopenshell::geom::conversion_results&) {
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if (kernel->partial_success_is_success) {
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std::string created_from;
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if (item->instance) {
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created_from = " (created from " + item->instance.declaration().name() + ")";
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}
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kernel->logger().error("UNS", 2, "No support (after considering item upgrade) for " + ifcopenshell::geom::taxonomy::kind_to_string(item->kind()) + created_from + " in kernel " + kernel->geometry_library());
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}
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return false;
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}
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};
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template <class T, class Tuple>
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struct tuple_type_index;
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template <class T, class... Types>
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struct tuple_type_index<T, std::tuple<T, Types...>> {
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static const std::size_t value = 0;
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};
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template <class T, class U, class... Types>
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struct tuple_type_index<T, std::tuple<U, Types...>> {
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static const std::size_t value = 1 + tuple_type_index<T, std::tuple<Types...>>::value;
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};
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/* A compile-time for loop over the curve kinds */
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template <typename T, size_t N = 0>
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struct dispatch_curve_creation {
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static bool dispatch(const ifcopenshell::geom::taxonomy::ptr& item, T& visitor) {
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constexpr auto KindIndex = tuple_type_index<std::tuple_element_t<N, ifcopenshell::geom::taxonomy::impl::curves_tuple>, ifcopenshell::geom::taxonomy::impl::kinds_tuple>::value;
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if (item->kind() == KindIndex) {
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auto concrete_item = std::static_pointer_cast<ifcopenshell::geom::taxonomy::curves::type<N>>(item);
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visitor(concrete_item);
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return true;
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} else {
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return dispatch_curve_creation<T, N + 1>::dispatch(item, visitor);
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}
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}
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};
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template <typename T>
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struct dispatch_curve_creation<T, ifcopenshell::geom::taxonomy::curves::max> {
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static bool dispatch(const ifcopenshell::geom::taxonomy::ptr& item, T&) {
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::logger::root().error("GEO", 28, "No conversion for " + std::to_string(item->kind()));
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return false;
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}
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};
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/* A compile-time for loop over the curve kinds */
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template <typename T, size_t N = 0>
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struct dispatch_surface_creation {
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static bool dispatch(const ifcopenshell::geom::taxonomy::ptr& item, T& visitor) {
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auto v = ifcopenshell::geom::taxonomy::template dcast<ifcopenshell::geom::taxonomy::surfaces::type<N>>(item);
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if (v && item->kind() == v->kind()) {
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visitor(v);
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return true;
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} else {
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return dispatch_surface_creation<T, N + 1>::dispatch(item, visitor);
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}
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}
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};
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template <typename T>
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struct dispatch_surface_creation<T, ifcopenshell::geom::taxonomy::surfaces::max> {
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static bool dispatch(const ifcopenshell::geom::taxonomy::ptr& item, T&) {
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::logger::root().error("GEO", 29, "No conversion for " + std::to_string(item->kind()));
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return false;
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}
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};
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}
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#endif
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