mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-11 02:02:22 +00:00
Thomas Krijnen
119 lines
5.0 KiB
C++
119 lines
5.0 KiB
C++
/********************************************************************************
|
|
* *
|
|
* This file is part of IfcOpenShell. *
|
|
* *
|
|
* IfcOpenShell is free software: you can redistribute it and/or modify *
|
|
* it under the terms of the Lesser GNU General Public License as published by *
|
|
* the Free Software Foundation, either version 3.0 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* IfcOpenShell is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* Lesser GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the Lesser GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
|
|
* *
|
|
********************************************************************************/
|
|
|
|
#include "kernel_registry.h"
|
|
|
|
#include "../ifcgeom/kernel_plugin.h"
|
|
#include "../ifcgeom/hybrid_kernel.h"
|
|
#include "../ifcparse/file.h"
|
|
|
|
#include <boost/algorithm/string.hpp>
|
|
|
|
#include <cstring>
|
|
#include <mutex>
|
|
|
|
namespace {
|
|
std::string kernel_key(const std::string& backend_id) {
|
|
return boost::to_lower_copy(backend_id);
|
|
}
|
|
|
|
}
|
|
|
|
void ifcopenshell::geometry::kernels::kernel_registry::bind(const kernel_info& info, create_fn create, const plugin::module& module) {
|
|
entry entry;
|
|
entry.info_ = info;
|
|
entry.create_ = create;
|
|
entry.module_ = module;
|
|
entries_[kernel_key(info.backend_id)] = entry;
|
|
}
|
|
|
|
bool ifcopenshell::geometry::kernels::kernel_registry::has(const std::string& backend_id) const {
|
|
return entries_.find(kernel_key(backend_id)) != entries_.end();
|
|
}
|
|
|
|
std::unique_ptr<ifcopenshell::geometry::kernels::AbstractKernel> ifcopenshell::geometry::kernels::kernel_registry::create(const std::string& backend_id, ifcopenshell::file* file, Settings& settings) const {
|
|
const auto iter = entries_.find(kernel_key(backend_id));
|
|
if (iter == entries_.end()) {
|
|
throw ifcopenshell::exception("No geometry kernel registered for " + backend_id);
|
|
}
|
|
return std::unique_ptr<AbstractKernel>(iter->second.create_(file, settings));
|
|
}
|
|
|
|
std::vector<ifcopenshell::geometry::kernels::kernel_info> ifcopenshell::geometry::kernels::kernel_registry::kernels() const {
|
|
std::vector<kernel_info> result;
|
|
for (const auto& pair : entries_) {
|
|
result.push_back(pair.second.info_);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
ifcopenshell::geometry::kernels::kernel_registry& ifcopenshell::geometry::kernels::kernel_registry_instance() {
|
|
static kernel_registry registry;
|
|
static std::once_flag once;
|
|
std::call_once(once, load_kernel_plugins, std::ref(registry));
|
|
return registry;
|
|
}
|
|
|
|
std::unique_ptr<ifcopenshell::geometry::kernels::AbstractKernel> ifcopenshell::geometry::kernels::construct(ifcopenshell::file* file, const std::string& geometry_library, Settings& settings) {
|
|
auto geometry_library_lower = boost::to_lower_copy(geometry_library);
|
|
auto& registry = kernel_registry_instance();
|
|
|
|
if (registry.has(geometry_library_lower)) {
|
|
return registry.create(geometry_library_lower, file, settings);
|
|
}
|
|
|
|
if (geometry_library_lower.rfind("hybrid-", 0) == 0) {
|
|
geometry_library_lower = geometry_library_lower.substr(strlen("hybrid"));
|
|
std::vector<std::unique_ptr<AbstractKernel>> kernels;
|
|
while (!geometry_library_lower.empty()) {
|
|
if (geometry_library_lower.find("-", 0) == 0) {
|
|
geometry_library_lower = geometry_library_lower.substr(strlen("-"));
|
|
} else {
|
|
throw ifcopenshell::exception("Invalid hybrid kernel " + geometry_library);
|
|
}
|
|
|
|
std::string matched_backend_id;
|
|
for (const auto& info : registry.kernels()) {
|
|
const auto backend_id = kernel_key(info.backend_id);
|
|
if (geometry_library_lower.rfind(backend_id, 0) == 0 && backend_id.size() > matched_backend_id.size()) {
|
|
matched_backend_id = backend_id;
|
|
}
|
|
}
|
|
|
|
if (matched_backend_id.empty()) {
|
|
throw ifcopenshell::exception("Invalid hybrid kernel " + geometry_library);
|
|
}
|
|
|
|
kernels.push_back(registry.create(matched_backend_id, file, settings));
|
|
geometry_library_lower = geometry_library_lower.substr(matched_backend_id.size());
|
|
}
|
|
|
|
for (auto it = kernels.begin(); it != kernels.end(); ++it) {
|
|
(**it).propagate_exceptions = it == kernels.begin();
|
|
(**it).partial_success_is_success = it == kernels.end() - 1;
|
|
}
|
|
|
|
if (!kernels.empty()) {
|
|
return std::make_unique<HybridKernel>(geometry_library, file, settings, std::move(kernels));
|
|
}
|
|
}
|
|
|
|
throw ifcopenshell::exception("No geometry kernel registered for " + geometry_library);
|
|
}
|