mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-18 03:19:53 +00:00
Creoox json serializer
This commit is contained in:
Thomas Krijnen
@@ -0,0 +1,857 @@
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/********************************************************************************
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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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#ifdef WITH_GLTF
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#include "JsonSerializer.h"
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#include <algorithm>
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#include <fstream>
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#include <nlohmann/json.hpp>
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#include "../../ifcparse/IfcSIPrefix.h"
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#include "../../ifcparse/utils.h"
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#include "../../ifcparse/IfcLogger.h"
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using json = nlohmann::json;
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namespace {
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struct POSTFIX_SCHEMA(factory_t) {
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JsonSerializer* operator()(IfcParse::IfcFile* file, const std::string& json_filename, JsonSerializer::Dialect dialect) const {
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POSTFIX_SCHEMA(JsonSerializer)* s = new POSTFIX_SCHEMA(JsonSerializer)(file, json_filename, dialect);
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s->setFile(file);
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return s;
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}
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};
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}
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void MAKE_INIT_FN(JsonSerializer)(JsonSerializerFactory::Factory* mapping) {
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static const std::string schema_name = STRINGIFY(IfcSchema);
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POSTFIX_SCHEMA(factory_t) factory;
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mapping->bind(schema_name, factory);
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}
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class format_value_visitor : public boost::static_visitor<std::string> {
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public:
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template <typename T>
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json operator()(const T& t) const {
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if constexpr (std::is_same_v<std::decay_t<T>, Derived> || std::is_same_v<std::decay_t<T>, boost::dynamic_bitset<>> || std::is_same_v<std::decay_t<T>, IfcUtil::IfcBaseClass*> || std::is_same_v<std::decay_t<T>, std::vector<int>> || std::is_same_v<std::decay_t<T>, std::vector<double>> || std::is_same_v<std::decay_t<T>, std::vector<std::string>> || std::is_same_v<std::decay_t<T>, std::vector<boost::dynamic_bitset<>>> || std::is_same_v<std::decay_t<T>, aggregate_of_instance::ptr> || std::is_same_v<std::decay_t<T>, aggregate_of_aggregate_of_instance::ptr> || std::is_same_v<std::decay_t<T>, std::vector<std::vector<int>>> || std::is_same_v<std::decay_t<T>, std::vector<std::vector<double>>> || std::is_same_v<std::decay_t<T>, empty_aggregate_t> || std::is_same_v<std::decay_t<T>, empty_aggregate_of_aggregate_t> || std::is_same_v<std::decay_t<T>, Blank>) {
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return "";
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} else if constexpr (std::is_same_v<std::decay_t<T>, boost::logic::tribool>) {
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// @todo handle indeterminate
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return "";
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} else if constexpr (std::is_same_v<std::decay_t<T>, std::string>) {
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return t;
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} else if constexpr (std::is_same_v<std::decay_t<T>, EnumerationReference>) {
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return t.value();
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} else {
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return t;
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}
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}
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};
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class get_type_visitor : public boost::static_visitor<std::string> {
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public:
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template <typename T>
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std::string operator()(const T& t) const {
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// @todo more types
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return "number";
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}
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};
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// A function to be called recursively. Template specialization is used
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// to descend into decomposition, containment and property relationships.
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template <typename A>
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void descend(A* instance, json& tree, IfcUtil::IfcBaseEntity* parent = nullptr) {
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if (instance->declaration().is(IfcSchema::IfcObjectDefinition::Class())) {
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return descend(instance->template as<IfcSchema::IfcObjectDefinition>(), tree, parent);
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} else {
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return format_entity_instance(instance, tree);
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}
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}
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// Returns related entity instances using IFC's objectified relationship
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// model. The second and third argument require a member function pointer.
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template <typename T, typename U, typename V, typename F, typename G>
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auto get_related(T* t, F f, G g) {
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typename U::list::ptr li = (*t.*f)()->template as<U>();
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typename aggregate_of<V>::ptr acc(new aggregate_of<V>);
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for (typename U::list::it it = li->begin(); it != li->end(); ++it) {
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U* u = *it;
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try {
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acc->push((*u.*g)()->template as<V>());
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} catch (IfcParse::IfcException& e) {
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Logger::Error(e);
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}
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}
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return acc;
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}
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void format_entity_instance(IfcUtil::IfcBaseEntity* instance, json& tree, IfcUtil::IfcBaseEntity* parent = nullptr) {
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/*
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{
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"id" : string, // Element GUID (IFC GloballyUniqueId)
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"name" : string, // Element name
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"longName" ?: string, // Long name (for spatial elements)
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"type" : string, // IFC entity type
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"parent" : string | null, // Parent element GUID (null for root)
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"groups" ?: string[], // Array of group GUIDs
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"ObjectType" ?: string, // ObjectType attribute (for IfcObject)
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"tag" ?: string, // Tag attribute (for IfcElement)
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"attributes" ?: {
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// Special attributes
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"elevation" ?: number // Elevation for IfcBuildingStorey
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},
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"propertySetIds" ?: string[] // Array of property set GUIDs
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}
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*/
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json child;
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auto write_to_json = [&](const std::string& keyJson, const std::string& keyIfc) {
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AttributeValue val;
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try {
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val = instance->get(keyIfc);
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} catch (const IfcParse::IfcException&) {
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// simply laziness like no attribute Tag on IfcProject
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return;
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}
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if (!val.isNull()) {
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child[keyJson] = val.apply_visitor(format_value_visitor{});
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}
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};
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write_to_json("id", "GlobalId");
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write_to_json("name", "Name");
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write_to_json("longName", "LongName");
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child["type"] = instance->declaration().name();
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if (parent) {
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if (auto* rt = parent->as<IfcSchema::IfcRoot>()) {
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child["parent"] = rt->GlobalId();
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}
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}
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// @todo groups
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write_to_json("ObjectType", "ObjectType");
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write_to_json("tag", "Tag");
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if (auto* storey = instance->as<IfcSchema::IfcBuildingStorey>()) {
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auto elevation = storey->Elevation();
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if (elevation) {
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child["attributes"] = json::object({{"elevation", *elevation}});
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}
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}
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if (auto* obj = instance->as<IfcSchema::IfcObject>()) {
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IfcSchema::IfcPropertySetDefinition::list::ptr property_sets = get_related<IfcSchema::IfcObject, IfcSchema::IfcRelDefinesByProperties, IfcSchema::IfcPropertySetDefinition>(obj, &IfcSchema::IfcObject::IsDefinedBy, &IfcSchema::IfcRelDefinesByProperties::RelatingPropertyDefinition);
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if (!property_sets && property_sets->size()) {
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child["propertySetIds"] = json::array();
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for (IfcSchema::IfcPropertySetDefinition::list::it it = property_sets->begin(); it != property_sets->end(); ++it) {
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IfcSchema::IfcPropertySetDefinition* pset = *it;
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child["propertySetIds"].push_back(pset->GlobalId());
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}
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}
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}
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tree.push_back(child);
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}
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// @todo would be nice to generalize this with the XML version
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//
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// Descends into the tree by recursing into IfcRelContainedInSpatialStructure,
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// IfcRelDecomposes, IfcRelDefinesByType, IfcRelDefinesByProperties relations.
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template <>
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void descend(IfcSchema::IfcObjectDefinition* product, json& tree, IfcUtil::IfcBaseEntity* parent) {
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if (product->declaration().is(IfcSchema::IfcElement::Class())) {
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auto voids = product->as<IfcSchema::IfcElement>()->FillsVoids();
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if (voids && voids->size() == 1 && (*voids->begin())->RelatingOpeningElement() != parent) {
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// Fills are placed under their corresponding opening, return early to avoid duplication.
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return;
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}
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}
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format_entity_instance(product, tree, parent);
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if (product->declaration().is(IfcSchema::IfcOpeningElement::Class())) {
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IfcSchema::IfcOpeningElement* opening = product->as<IfcSchema::IfcOpeningElement>();
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IfcSchema::IfcElement::list::ptr fills = get_related<IfcSchema::IfcOpeningElement, IfcSchema::IfcRelFillsElement, IfcSchema::IfcElement>(
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opening, &IfcSchema::IfcOpeningElement::HasFillings, &IfcSchema::IfcRelFillsElement::RelatedBuildingElement);
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for (IfcSchema::IfcElement::list::it it = fills->begin(); it != fills->end(); ++it) {
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descend(*it, tree, product);
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}
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}
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if (product->declaration().is(IfcSchema::IfcSpatialStructureElement::Class())) {
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IfcSchema::IfcSpatialStructureElement* structure = product->as<IfcSchema::IfcSpatialStructureElement>();
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IfcSchema::IfcObjectDefinition::list::ptr elements = get_related<IfcSchema::IfcSpatialStructureElement, IfcSchema::IfcRelContainedInSpatialStructure, IfcSchema::IfcObjectDefinition>(structure, &IfcSchema::IfcSpatialStructureElement::ContainsElements, &IfcSchema::IfcRelContainedInSpatialStructure::RelatedElements);
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for (IfcSchema::IfcObjectDefinition::list::it it = elements->begin(); it != elements->end(); ++it) {
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descend(*it, tree, product);
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}
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}
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if (product->declaration().is(IfcSchema::IfcElement::Class())) {
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IfcSchema::IfcElement* element = static_cast<IfcSchema::IfcElement*>(product);
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IfcSchema::IfcOpeningElement::list::ptr openings = get_related<IfcSchema::IfcElement, IfcSchema::IfcRelVoidsElement, IfcSchema::IfcOpeningElement>(
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element, &IfcSchema::IfcElement::HasOpenings, &IfcSchema::IfcRelVoidsElement::RelatedOpeningElement);
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for (IfcSchema::IfcOpeningElement::list::it it = openings->begin(); it != openings->end(); ++it) {
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descend(*it, tree, product);
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}
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}
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#ifdef SCHEMA_IfcRelDecomposes_HAS_RelatedObjects
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IfcSchema::IfcObjectDefinition::list::ptr structures = get_related<IfcSchema::IfcObjectDefinition, IfcSchema::IfcRelDecomposes, IfcSchema::IfcObjectDefinition>(product, &IfcSchema::IfcObjectDefinition::IsDecomposedBy, &IfcSchema::IfcRelDecomposes::RelatedObjects);
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#else
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IfcSchema::IfcObjectDefinition::list::ptr structures = get_related<IfcSchema::IfcObjectDefinition, IfcSchema::IfcRelAggregates, IfcSchema::IfcObjectDefinition>(product, &IfcSchema::IfcObjectDefinition::IsDecomposedBy, &IfcSchema::IfcRelAggregates::RelatedObjects);
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structures->push(get_related<IfcSchema::IfcObjectDefinition, IfcSchema::IfcRelNests, IfcSchema::IfcObjectDefinition>(product, &IfcSchema::IfcObjectDefinition::IsNestedBy, &IfcSchema::IfcRelNests::RelatedObjects));
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#endif
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for (IfcSchema::IfcObjectDefinition::list::it it = structures->begin(); it != structures->end(); ++it) {
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IfcSchema::IfcObjectDefinition* ob = *it;
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descend(ob, tree, product);
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}
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// psets are handled as part of format_entity_instance()
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// all other relationships are not needed in JSON output
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}
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IfcSchema::IfcValue* get_value_from_prop(const IfcSchema::IfcProperty* prop) {
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if (auto* psv = prop->as<IfcSchema::IfcPropertySingleValue>()) {
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if (auto* nv = psv->NominalValue()) {
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return nv;
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}
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}
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// @todo other unit typs
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return nullptr;
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}
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IfcSchema::IfcUnit* get_unit_from_prop(const IfcSchema::IfcProperty* prop) {
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if (auto* psv = prop->as<IfcSchema::IfcPropertySingleValue>()) {
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if (auto* un = psv->Unit()) {
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return un;
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}
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}
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// @todo other unit typs
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return nullptr;
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}
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void POSTFIX_SCHEMA(JsonSerializer)::finalize() {
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json output;
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IfcSchema::IfcProject::list::ptr projects = file->instances_by_type<IfcSchema::IfcProject>();
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if (projects->size() != 1) {
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Logger::Message(Logger::LOG_ERROR, "Expected a single IfcProject");
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return;
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}
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IfcSchema::IfcProject* project = *projects->begin();
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auto catch_exceptions = [this](const auto& fn) {
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try {
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return fn();
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} catch (const std::exception& e) {
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Logger::Error(e);
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static std::invoke_result_t<decltype(fn)> v;
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return v;
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}
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};
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output["id"] = catch_exceptions([&]() { return file->header().file_name()->name(); });
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output["projectId"] = catch_exceptions([&]() { return project->GlobalId(); });
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output["author"] = catch_exceptions([&]() { return file->header().file_name()->author().empty() ? "unknown" : file->header().file_name()->author().front(); });
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output["createdAt"] = catch_exceptions([&]() { return file->header().file_name()->time_stamp(); });
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output["schema"] = catch_exceptions([&]() { return file->header().file_schema()->schema_identifiers().front(); }); // without schema we would not be here
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output["creatingApplication"] = catch_exceptions([&]() { return file->header().file_name()->originating_system(); });
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output["properties"] = json::array();
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output["propertySets"] = json::array();
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output["units"] = json::array();
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output["projectUnits"] = json::object();
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output["metaObjects"] = json::array();
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output["groups"] = json::array();
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// Maps for deduplication of properties and quantities
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std::map<const IfcUtil::IfcBaseEntity*, size_t> property_to_index;
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std::unordered_map<json, std::size_t> json_to_index;
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// Obtain sequence of units because properties, quantities reference them by index.
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// IfcUnit is a select of IfcDerivedUnit, IfcMonetaryUnit and IfcNamedUnit.
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// Unfortunately, instances_by_type() does not support select types directly (even though there isn't a real reason for that).
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IfcSchema::IfcUnit::list::ptr units(new IfcSchema::IfcUnit::list);
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units->push(file->instances_by_type<IfcSchema::IfcDerivedUnit>()->as<IfcSchema::IfcUnit>());
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units->push(file->instances_by_type<IfcSchema::IfcMonetaryUnit>()->as<IfcSchema::IfcUnit>());
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units->push(file->instances_by_type<IfcSchema::IfcNamedUnit>()->as<IfcSchema::IfcUnit>());
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auto format_property = [&](const IfcUtil::IfcBaseEntity* prop_) {
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json jprop;
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/*
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{
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"name": "LoadBearing",
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"ifcPropertyType": "IfcPropertySingleValue",
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"ifcValueType": "IfcBoolean",
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"value": "True",
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"valueType": "boolean"
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},
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*/
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if (auto* prop = prop_->as<IfcSchema::IfcProperty>()) {
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jprop["name"] = prop->Name();
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jprop["ifcPropertyType"] = prop->declaration().name();
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if (auto* val = get_value_from_prop(prop)) {
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jprop["ifcValueType"] = val->declaration().name();
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jprop["value"] = val->data().get_attribute_value(nullptr, nullptr, 0, 0).apply_visitor(format_value_visitor{});
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jprop["valueType"] = val->data().get_attribute_value(nullptr, nullptr, 0, 0).apply_visitor(get_type_visitor{});
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}
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if (auto* unit = get_unit_from_prop(prop)) {
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jprop["unit"] = std::distance(units->begin(), std::find(units->begin(), units->end(), unit));
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}
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}
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return jprop;
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};
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auto format_quantity = [&](const IfcUtil::IfcBaseEntity* qto_) {
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json jprop;
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/*
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{
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"name": "GrossVolume",
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"ifcPropertyType": "IfcQuantityVolume",
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"value": 12.5,
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"valueType": "ElementQuantity",
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"unit": 3
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}
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*/
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if (auto* qto = qto_->as<IfcSchema::IfcPhysicalQuantity>()) {
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jprop["name"] = qto->Name();
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jprop["ifcPropertyType"] = qto->declaration().name();
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if (auto* prop = qto->as<IfcSchema::IfcPhysicalSimpleQuantity>()) {
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jprop["ifcValueType"] = prop->declaration().attributes()[0]->name();
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jprop["value"] = prop->data().get_attribute_value(nullptr, nullptr, 0, 3).apply_visitor(format_value_visitor{});
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jprop["valueType"] = "number";
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if (auto* unit = prop->Unit()) {
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jprop["unit"] = std::distance(units->begin(), std::find(units->begin(), units->end(), unit));
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}
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}
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}
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return jprop;
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};
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auto deduplicate = [&](auto base_formatter) {
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return [&, base_formatter](const IfcUtil::IfcBaseEntity* prop) mutable -> std::size_t {
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if (auto it = property_to_index.find(prop); it != property_to_index.end()) {
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return it->second;
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}
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||||
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// Build JSON for this property
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json j = base_formatter(prop);
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// Check if an identical JSON object is already in the global list
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auto [it2, inserted] = json_to_index.try_emplace(j, output["properties"].size());
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if (inserted) {
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// First time we've seen this JSON -> append to output
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output["properties"].push_back(j);
|
||||
}
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||||
|
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std::size_t idx = it2->second;
|
||||
property_to_index.emplace(prop, idx); // remember for this pointer too
|
||||
return idx;
|
||||
};
|
||||
};
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auto property_index_for = deduplicate(format_property);
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auto quantity_index_for = deduplicate(format_quantity);
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auto pset_predef_or_qsets = file->instances_by_type<IfcSchema::IfcPropertySetDefinition>();
|
||||
for (auto& inst : *pset_predef_or_qsets) {
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||||
std::vector<size_t> property_indices;
|
||||
if (auto* pset = inst->as<IfcSchema::IfcPropertySet>()) {
|
||||
auto props = pset->HasProperties();
|
||||
for (auto& prop : *props) {
|
||||
std::size_t index = property_index_for(prop);
|
||||
property_indices.push_back(index);
|
||||
}
|
||||
} else if (auto* qset = inst->as<IfcSchema::IfcElementQuantity>()) {
|
||||
auto qtos = qset->Quantities();
|
||||
for (auto& qto : *qtos) {
|
||||
std::size_t index = quantity_index_for(qto);
|
||||
property_indices.push_back(index);
|
||||
}
|
||||
#ifdef SCHEMA_HAS_IfcPreDefinedPropertySet
|
||||
// ifc2x3 does not have this type yet, just inherits from IfcPropertySetDefinition
|
||||
} else if (auto* pset = inst->as<IfcSchema::IfcPreDefinedPropertySet>()) {
|
||||
#else
|
||||
} else {
|
||||
#endif
|
||||
/*
|
||||
// not all_attributes() only the attributes defined on this particular concrete type
|
||||
// @todo actually I don't know how to map PreDefinedPropertySet yet
|
||||
auto attributes = inst->declaration().attributes();
|
||||
for (auto* a : attributes) {
|
||||
auto val = inst->get(a->name());
|
||||
if (val.isNull()) {
|
||||
continue;
|
||||
}
|
||||
val.apply_visitor(format_value_visitor{});
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
/*
|
||||
{
|
||||
"id" : "3fG7k$Hj2_9Pxd8vD_xg7",
|
||||
"name" : "Pset_WallCommon",
|
||||
"type" : "IfcPropertySet",
|
||||
"properties" : [ 0, 1, 2 ]
|
||||
},
|
||||
*/
|
||||
output["propertySets"].push_back(json::object({{"id", inst->GlobalId()},
|
||||
{"name", *inst->Name()}, // @todo optional
|
||||
{"type", inst->declaration().name()},
|
||||
{"properties", property_indices}}));
|
||||
}
|
||||
|
||||
for (auto& unit : *units) {
|
||||
/*
|
||||
{
|
||||
"name": string, // Unit symbol/name
|
||||
"className": string, // IFC unit class
|
||||
"unitEnum"?: string, // Unit type enum
|
||||
"unitType"?: string, // Unit type (alternative)
|
||||
"prefix"?: string, // SI prefix (for IfcSIUnit)
|
||||
"userDefinedType"?: string, // User-defined type
|
||||
"conversionFactor"?: { // Conversion factor (for IfcConversionBasedUnit)
|
||||
"valueComponent": {
|
||||
"value": number,
|
||||
"valueType": string,
|
||||
"ifcValueType": string
|
||||
},
|
||||
"unitComponent": number // Reference to base unit index
|
||||
},
|
||||
"elements"?: [ // For IfcDerivedUnit
|
||||
{
|
||||
"unit": number, // Reference to unit index
|
||||
"exponent": number // Exponent value
|
||||
}
|
||||
],
|
||||
"dimensions"?: { // IfcDimensionalExponents
|
||||
"LengthExponent": number,
|
||||
"MassExponent": number,
|
||||
"TimeExponent": number,
|
||||
"ElectricCurrentExponent": number,
|
||||
"ThermodynamicTemperatureExponent": number,
|
||||
"AmountOfSubstanceExponent": number,
|
||||
"LuminousIntensityExponent": number
|
||||
}
|
||||
}
|
||||
*/
|
||||
json junit;
|
||||
junit["className"] = unit->declaration().name();
|
||||
if (auto* siunit = unit->as<IfcSchema::IfcSIUnit>()) {
|
||||
// @todo figure out how to encode name for si units
|
||||
std::string unit_name = "";
|
||||
junit["unitEnum"] = IfcSchema::IfcUnitEnum::ToString(siunit->UnitType());
|
||||
if (siunit->Prefix()) {
|
||||
junit["prefix"] = IfcSchema::IfcSIPrefix::ToString(*siunit->Prefix());
|
||||
unit_name.push_back(IfcSchema::IfcSIPrefix::ToString(*siunit->Prefix())[0]);
|
||||
}
|
||||
unit_name.push_back(IfcSchema::IfcSIUnitName::ToString(siunit->Name())[0]);
|
||||
boost::to_lower(unit_name);
|
||||
junit["name"] = unit_name;
|
||||
} else if (auto* convunit = unit->as<IfcSchema::IfcConversionBasedUnit>()) {
|
||||
junit["name"] = convunit->Name();
|
||||
junit["unitEnum"] = IfcSchema::IfcUnitEnum::ToString(convunit->UnitType());
|
||||
if (convunit->ConversionFactor()) {
|
||||
json jconv;
|
||||
auto val = convunit->ConversionFactor()->ValueComponent();
|
||||
jconv["valueComponent"] = {
|
||||
{"value", val->data().get_attribute_value(nullptr, nullptr, 0, 0).apply_visitor(format_value_visitor{})},
|
||||
{"valueType", val->data().get_attribute_value(nullptr, nullptr, 0, 0).apply_visitor(get_type_visitor{})}
|
||||
};
|
||||
jconv["unitComponent"] = std::distance(units->begin(), std::find(units->begin(), units->end(), convunit->ConversionFactor()->UnitComponent()));
|
||||
junit["conversionFactor"] = jconv;
|
||||
}
|
||||
} else if (auto* derunit = unit->as<IfcSchema::IfcDerivedUnit>()) {
|
||||
#ifdef SCHEMA_IfcDerivedUnit_HAS_Name
|
||||
// 4.3 onwards
|
||||
if (derunit->Name()) {
|
||||
junit["name"] = *derunit->Name();
|
||||
}
|
||||
#endif
|
||||
json jelements = json::array();
|
||||
auto elements = derunit->Elements();
|
||||
for (auto& elem : *elements) {
|
||||
jelements.push_back({
|
||||
{"unit", std::distance(units->begin(), std::find(units->begin(), units->end(), elem->Unit()))},
|
||||
{"exponent", elem->Exponent()}
|
||||
});
|
||||
}
|
||||
junit["elements"] = jelements;
|
||||
}
|
||||
if (auto* namedunit = unit->as<IfcSchema::IfcNamedUnit>()) {
|
||||
// support for derived attributes is only available in python
|
||||
if (namedunit->as<IfcSchema::IfcSIUnit>() == nullptr) {
|
||||
if (auto* dimexp = namedunit->Dimensions()) {
|
||||
junit["dimensions"] = {
|
||||
{"LengthExponent", dimexp->LengthExponent()},
|
||||
{"MassExponent", dimexp->MassExponent()},
|
||||
{"TimeExponent", dimexp->TimeExponent()},
|
||||
{"ElectricCurrentExponent", dimexp->ElectricCurrentExponent()},
|
||||
{"ThermodynamicTemperatureExponent", dimexp->ThermodynamicTemperatureExponent()},
|
||||
{"AmountOfSubstanceExponent", dimexp->AmountOfSubstanceExponent()},
|
||||
{"LuminousIntensityExponent", dimexp->LuminousIntensityExponent()}};
|
||||
}
|
||||
}
|
||||
}
|
||||
output["units"].push_back(junit);
|
||||
}
|
||||
|
||||
auto project_units = project->UnitsInContext()->Units();
|
||||
/*
|
||||
{
|
||||
"LENGTHUNIT": number,
|
||||
"AREAUNIT": number,
|
||||
"VOLUMEUNIT": number,
|
||||
"PLANEANGLEUNIT": number,
|
||||
"MASSUNIT": number,
|
||||
"TIMEUNIT": number,
|
||||
// ... other unit types
|
||||
}*/
|
||||
for (auto* pu : *project_units) {
|
||||
auto it = std::find(units->begin(), units->end(), pu);
|
||||
if (auto* nu = pu->as<IfcSchema::IfcNamedUnit>()) {
|
||||
if (it != units->end()) {
|
||||
output["projectUnits"][IfcSchema::IfcUnitEnum::ToString(nu->UnitType())] = std::distance(units->begin(), it);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
// meta objects
|
||||
{
|
||||
"id": string, // Element GUID (IFC GloballyUniqueId)
|
||||
"name": string, // Element name
|
||||
"longName"?: string, // Long name (for spatial elements)
|
||||
"type": string, // IFC entity type
|
||||
"parent": string | null, // Parent element GUID (null for root)
|
||||
"groups"?: string[], // Array of group GUIDs
|
||||
"ObjectType"?: string, // ObjectType attribute (for IfcObject)
|
||||
"tag"?: string, // Tag attribute (for IfcElement)
|
||||
"attributes"?: { // Special attributes
|
||||
"elevation"?: number // Elevation for IfcBuildingStorey
|
||||
},
|
||||
"propertySetIds"?: string[] // Array of property set GUIDs
|
||||
}
|
||||
*/
|
||||
|
||||
descend(project, output["metaObjects"]);
|
||||
|
||||
std::ofstream f(IfcUtil::path::from_utf8(json_filename).c_str());
|
||||
f << output.dump(4);
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
ptree root, header, units, decomposition, properties, quantities, types, layers, materials, work, calendars, connections, groups;
|
||||
|
||||
|
||||
// Write the SPF header as XML nodes.
|
||||
BOOST_FOREACH (const std::string& s, catch_exceptions([this]() { return file->header().file_description()->description(); })) {
|
||||
header.add_child("file_description.description", ptree(s));
|
||||
}
|
||||
BOOST_FOREACH (const std::string& s, catch_exceptions([this]() { return file->header().file_name()->author(); })) {
|
||||
header.add_child("file_name.author", ptree(s));
|
||||
}
|
||||
BOOST_FOREACH (const std::string& s, catch_exceptions([this]() { return file->header().file_name()->organization(); })) {
|
||||
header.add_child("file_name.organization", ptree(s));
|
||||
}
|
||||
BOOST_FOREACH (const std::string& s, catch_exceptions([this]() { return file->header().file_schema()->schema_identifiers(); })) {
|
||||
header.add_child("file_schema.schema_identifiers", ptree(s));
|
||||
}
|
||||
try {
|
||||
header.put("file_description.implementation_level", file->header().file_description()->implementation_level());
|
||||
} catch (const IfcParse::IfcException& ex) {
|
||||
std::stringstream ss;
|
||||
ss << "Failed to get ifc file header file_description implementation_level, error: '" << ex.what() << "'";
|
||||
Logger::Message(Logger::LOG_ERROR, ss.str());
|
||||
}
|
||||
try {
|
||||
header.put("file_name.name", file->header().file_name()->name());
|
||||
} catch (const IfcParse::IfcException& ex) {
|
||||
std::stringstream ss;
|
||||
ss << "Failed to get ifc file header file_name name, error: '" << ex.what() << "'";
|
||||
Logger::Message(Logger::LOG_ERROR, ss.str());
|
||||
}
|
||||
try {
|
||||
header.put("file_name.time_stamp", file->header().file_name()->time_stamp());
|
||||
} catch (const IfcParse::IfcException& ex) {
|
||||
std::stringstream ss;
|
||||
ss << "Failed to get ifc file header file_name time_stamp, error: '" << ex.what() << "'";
|
||||
Logger::Message(Logger::LOG_ERROR, ss.str());
|
||||
}
|
||||
try {
|
||||
header.put("file_name.preprocessor_version", file->header().file_name()->preprocessor_version());
|
||||
} catch (const IfcParse::IfcException& ex) {
|
||||
std::stringstream ss;
|
||||
ss << "Failed to get ifc file header file_name preprocessor_version, error: '" << ex.what() << "'";
|
||||
Logger::Message(Logger::LOG_ERROR, ss.str());
|
||||
}
|
||||
try {
|
||||
header.put("file_name.originating_system", file->header().file_name()->originating_system());
|
||||
} catch (const IfcParse::IfcException& ex) {
|
||||
std::stringstream ss;
|
||||
ss << "Failed to get ifc file header file_name originating_system, error: '" << ex.what() << "'";
|
||||
Logger::Message(Logger::LOG_ERROR, ss.str());
|
||||
}
|
||||
try {
|
||||
// @nb inconsistent spelling
|
||||
header.put("file_name.authorization", file->header().file_name()->authorization());
|
||||
} catch (const IfcParse::IfcException& ex) {
|
||||
std::stringstream ss;
|
||||
ss << "Failed to get ifc file header file_name authorization, error: '" << ex.what() << "'";
|
||||
Logger::Message(Logger::LOG_ERROR, ss.str());
|
||||
}
|
||||
|
||||
// Descend into the decomposition structure of the IFC file.
|
||||
descend(mapping_, project, decomposition);
|
||||
|
||||
// Write all property sets and values as XML nodes.
|
||||
IfcSchema::IfcPropertySet::list::ptr psets = file->instances_by_type<IfcSchema::IfcPropertySet>();
|
||||
for (IfcSchema::IfcPropertySet::list::it it = psets->begin(); it != psets->end(); ++it) {
|
||||
IfcSchema::IfcPropertySet* pset = *it;
|
||||
ptree* node = format_entity_instance(mapping_, pset, properties);
|
||||
if (node) {
|
||||
format_properties(mapping_, pset->HasProperties(), *node);
|
||||
}
|
||||
}
|
||||
|
||||
// Write all group sets and values as XML nodes.
|
||||
IfcSchema::IfcGroup::list::ptr gsets = file->instances_by_type<IfcSchema::IfcGroup>();
|
||||
std::set<std::string> notRootGroups; //selfname, fathername
|
||||
for (IfcSchema::IfcGroup::list::it it = gsets->begin(); it != gsets->end(); ++it) {
|
||||
writeGroupToNode(mapping_, *it, groups, notRootGroups);
|
||||
}
|
||||
for (auto it = groups.begin(); it != groups.end();) {
|
||||
if (notRootGroups.find(it->second.get<std::string>("<xmlattr>.Name")) != notRootGroups.end()) {
|
||||
it = groups.erase(it);
|
||||
} else {
|
||||
it++;
|
||||
}
|
||||
}
|
||||
|
||||
// Write all quantities and values as XML nodes.
|
||||
IfcSchema::IfcElementQuantity::list::ptr qtosets = file->instances_by_type<IfcSchema::IfcElementQuantity>();
|
||||
for (IfcSchema::IfcElementQuantity::list::it it = qtosets->begin(); it != qtosets->end(); ++it) {
|
||||
IfcSchema::IfcElementQuantity* qto = *it;
|
||||
ptree* node = format_entity_instance(mapping_, qto, quantities);
|
||||
if (node) {
|
||||
format_quantities(mapping_, qto->Quantities(), *node);
|
||||
}
|
||||
}
|
||||
|
||||
// Write all work schedules and values as XML nodes.
|
||||
ptree pwork_schedules;
|
||||
IfcSchema::IfcWorkSchedule::list::ptr pschedules = file->instances_by_type<IfcSchema::IfcWorkSchedule>();
|
||||
for (IfcSchema::IfcWorkSchedule::list::it it = pschedules->begin(); it != pschedules->end(); ++it) {
|
||||
IfcSchema::IfcWorkSchedule* schedule = *it;
|
||||
ptree* nschedule = format_entity_instance(mapping_, schedule, pwork_schedules);
|
||||
|
||||
if (nschedule) {
|
||||
IfcSchema::IfcRelAssignsToControl::list::ptr controls = schedule->Controls();
|
||||
for (IfcSchema::IfcRelAssignsToControl::list::it it2 = controls->begin(); it2 != controls->end(); ++it2) {
|
||||
IfcSchema::IfcRelAssignsToControl* control = *it2;
|
||||
|
||||
IfcSchema::IfcObjectDefinition::list::ptr objects = control->RelatedObjects();
|
||||
for (IfcSchema::IfcObjectDefinition::list::it it3 = objects->begin(); it3 != objects->end(); ++it3) {
|
||||
IfcSchema::IfcObjectDefinition* object = *it3;
|
||||
|
||||
if (object && object->declaration().is(IfcSchema::IfcTask::Class())) {
|
||||
IfcSchema::IfcTask* task = object->as<IfcSchema::IfcTask>();
|
||||
format_tasks(mapping_, task, *nschedule);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
work.add_child("schedules", pwork_schedules);
|
||||
|
||||
// Write all work plans and values as XML nodes.
|
||||
ptree pwork_plans;
|
||||
IfcSchema::IfcWorkPlan::list::ptr pplans = file->instances_by_type<IfcSchema::IfcWorkPlan>();
|
||||
for (IfcSchema::IfcWorkPlan::list::it it = pplans->begin(); it != pplans->end(); ++it) {
|
||||
IfcSchema::IfcWorkPlan* plan = *it;
|
||||
ptree* nschedule = format_entity_instance(mapping_, plan, pwork_plans);
|
||||
|
||||
if (nschedule) {
|
||||
#ifdef SCHEMA_IfcObjectDefinition_HAS_IsDecomposedBy
|
||||
auto decomposed_by = plan->IsDecomposedBy();
|
||||
for (auto it2 = decomposed_by->begin(); it2 != decomposed_by->end(); ++it2) {
|
||||
IfcSchema::IfcObjectDefinition::list::ptr related_objects = (*it2)->RelatedObjects();
|
||||
for (IfcSchema::IfcObjectDefinition::list::it it3 = related_objects->begin(); it3 != related_objects->end(); ++it3) {
|
||||
IfcSchema::IfcObjectDefinition* work_schedule = *it3;
|
||||
ptree pwork_schedule;
|
||||
pwork_schedule.put("<xmlattr>.id", work_schedule->GlobalId());
|
||||
nschedule->add_child("IfcWorkSchedule", pwork_schedule);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
work.add_child("plans", pwork_plans);
|
||||
|
||||
// Write all work calendars and values as XML nodes.
|
||||
#ifdef SCHEMA_HAS_IfcWorkCalendar
|
||||
IfcSchema::IfcWorkCalendar::list::ptr pcalendars = file->instances_by_type<IfcSchema::IfcWorkCalendar>();
|
||||
for (IfcSchema::IfcWorkCalendar::list::it it = pcalendars->begin(); it != pcalendars->end(); ++it) {
|
||||
IfcSchema::IfcWorkCalendar* calendar = *it;
|
||||
ptree* ncalendar = format_entity_instance(mapping_, calendar, calendars);
|
||||
|
||||
if (ncalendar) {
|
||||
IfcSchema::IfcWorkTime::list::ptr working_times = calendar->WorkingTimes().value_or(nullptr);
|
||||
if (working_times != nullptr) {
|
||||
for (IfcSchema::IfcWorkTime::list::it it2 = working_times->begin(); it2 != working_times->end(); ++it2) {
|
||||
IfcSchema::IfcWorkTime* working_time = *it2;
|
||||
format_entity_instance(mapping_, working_time, *ncalendar);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
IfcSchema::IfcRelConnectsElements::list::ptr pconnections = file->instances_by_type<IfcSchema::IfcRelConnectsElements>();
|
||||
for (IfcSchema::IfcRelConnectsElements::list::it it = pconnections->begin(); it != pconnections->end(); ++it) {
|
||||
IfcSchema::IfcRelConnectsElements* connection = *it;
|
||||
|
||||
ptree* nconnection = format_entity_instance(mapping_, connection, connections);
|
||||
|
||||
ptree nrelatedElement;
|
||||
ptree nrelatingElement;
|
||||
|
||||
format_entity_instance(mapping_, connection->RelatedElement(), nrelatedElement, true);
|
||||
format_entity_instance(mapping_, connection->RelatingElement(), nrelatingElement, true);
|
||||
|
||||
nconnection->add_child("RelatedElement", nrelatedElement);
|
||||
nconnection->add_child("RelatingElement", nrelatingElement);
|
||||
}
|
||||
|
||||
// Write all type objects as XML nodes.
|
||||
IfcSchema::IfcTypeObject::list::ptr type_objects = file->instances_by_type<IfcSchema::IfcTypeObject>();
|
||||
for (IfcSchema::IfcTypeObject::list::it it = type_objects->begin(); it != type_objects->end(); ++it) {
|
||||
IfcSchema::IfcTypeObject* type_object = *it;
|
||||
ptree* node = descend(mapping_, type_object, types);
|
||||
|
||||
if (node && type_object->HasPropertySets()) {
|
||||
IfcSchema::IfcPropertySetDefinition::list::ptr property_sets = *type_object->HasPropertySets();
|
||||
for (IfcSchema::IfcPropertySetDefinition::list::it jt = property_sets->begin(); jt != property_sets->end(); ++jt) {
|
||||
IfcSchema::IfcPropertySetDefinition* pset = *jt;
|
||||
if (pset->declaration().is(IfcSchema::IfcPropertySet::Class())) {
|
||||
format_entity_instance(mapping_, pset, *node, true);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Write all assigned units as XML nodes.
|
||||
auto unit_assignments = project->UnitsInContext()->Units();
|
||||
for (auto it = unit_assignments->begin(); it != unit_assignments->end(); ++it) {
|
||||
if ((*it)->declaration().is(IfcSchema::IfcNamedUnit::Class())) {
|
||||
IfcSchema::IfcNamedUnit* named_unit = (*it)->as<IfcSchema::IfcNamedUnit>();
|
||||
ptree* node = format_entity_instance(mapping_, named_unit, units);
|
||||
if (node) {
|
||||
node->put("<xmlattr>.SI_equivalent", IfcParse::get_SI_equivalent<IfcSchema>(named_unit));
|
||||
}
|
||||
} else if ((*it)->declaration().is(IfcSchema::IfcMonetaryUnit::Class())) {
|
||||
format_entity_instance(mapping_, (*it)->as<IfcSchema::IfcMonetaryUnit>(), units);
|
||||
}
|
||||
}
|
||||
|
||||
// Layer assignments. IfcPresentationLayerAssignments don't have GUIDs (only optional Identifier)
|
||||
// so use names as the IDs and only insert those with unique names. In case of possible duplicate names/IDs
|
||||
// the first IfcPresentationLayerAssignment occurrence takes precedence.
|
||||
std::set<std::string> layer_names;
|
||||
IfcSchema::IfcPresentationLayerAssignment::list::ptr layer_assignments = file->instances_by_type<IfcSchema::IfcPresentationLayerAssignment>();
|
||||
for (IfcSchema::IfcPresentationLayerAssignment::list::it it = layer_assignments->begin(); it != layer_assignments->end(); ++it) {
|
||||
const std::string& name = (*it)->Name();
|
||||
if (layer_names.find(name) == layer_names.end()) {
|
||||
layer_names.insert(name);
|
||||
ptree node;
|
||||
node.put("<xmlattr>.id", name);
|
||||
format_entity_instance(mapping_, *it, node, layers);
|
||||
}
|
||||
}
|
||||
|
||||
IfcSchema::IfcRelAssociatesMaterial::list::ptr materal_associations = file->instances_by_type<IfcSchema::IfcRelAssociatesMaterial>();
|
||||
std::set<IfcSchema::IfcMaterialSelect*> emitted_materials;
|
||||
for (IfcSchema::IfcRelAssociatesMaterial::list::it it = materal_associations->begin(); it != materal_associations->end(); ++it) {
|
||||
IfcSchema::IfcMaterialSelect* mat = (**it).RelatingMaterial();
|
||||
if (emitted_materials.find(mat) == emitted_materials.end()) {
|
||||
emitted_materials.insert(mat);
|
||||
ptree node;
|
||||
node.put("<xmlattr>.id", qualify_unrooted_instance(mat));
|
||||
if (mat->as<IfcSchema::IfcMaterialLayerSetUsage>() || mat->as<IfcSchema::IfcMaterialLayerSet>()) {
|
||||
IfcSchema::IfcMaterialLayerSet* layerset = mat->as<IfcSchema::IfcMaterialLayerSet>();
|
||||
if (!layerset) {
|
||||
layerset = mat->as<IfcSchema::IfcMaterialLayerSetUsage>()->ForLayerSet();
|
||||
}
|
||||
if (layerset->LayerSetName()) {
|
||||
node.put("<xmlattr>.LayerSetName", *layerset->LayerSetName());
|
||||
}
|
||||
IfcSchema::IfcMaterialLayer::list::ptr ls = layerset->MaterialLayers();
|
||||
for (IfcSchema::IfcMaterialLayer::list::it jt = ls->begin(); jt != ls->end(); ++jt) {
|
||||
ptree subnode;
|
||||
if ((*jt)->Material()) {
|
||||
subnode.put("<xmlattr>.Name", (*jt)->Material()->Name());
|
||||
}
|
||||
format_entity_instance(mapping_, *jt, subnode, node);
|
||||
}
|
||||
} else if (mat->as<IfcSchema::IfcMaterialList>()) {
|
||||
IfcSchema::IfcMaterial::list::ptr mats = mat->as<IfcSchema::IfcMaterialList>()->Materials();
|
||||
for (IfcSchema::IfcMaterial::list::it jt = mats->begin(); jt != mats->end(); ++jt) {
|
||||
ptree subnode;
|
||||
format_entity_instance(mapping_, *jt, subnode, node);
|
||||
}
|
||||
}
|
||||
format_entity_instance(mapping_, mat->as<IfcUtil::IfcBaseEntity>(), node, materials);
|
||||
}
|
||||
}
|
||||
|
||||
root.add_child("ifc.header", header);
|
||||
root.add_child("ifc.units", units);
|
||||
root.add_child("ifc.connections", connections);
|
||||
root.add_child("ifc.properties", properties);
|
||||
root.add_child("ifc.quantities", quantities);
|
||||
root.add_child("ifc.work", work);
|
||||
root.add_child("ifc.calendars", calendars);
|
||||
root.add_child("ifc.types", types);
|
||||
root.add_child("ifc.layers", layers);
|
||||
root.add_child("ifc.groups", groups);
|
||||
root.add_child("ifc.materials", materials);
|
||||
root.add_child("ifc.decomposition", decomposition);
|
||||
|
||||
root.put("ifc.<xmlattr>.xmlns:xlink", "http://www.w3.org/1999/xlink");
|
||||
|
||||
#if BOOST_VERSION >= 105600
|
||||
boost::property_tree::xml_writer_settings<ptree::key_type> settings = boost::property_tree::xml_writer_make_settings<ptree::key_type>('\t', 1);
|
||||
#else
|
||||
boost::property_tree::xml_writer_settings<char> settings('\t', 1);
|
||||
#endif
|
||||
|
||||
std::ofstream f(IfcUtil::path::from_utf8(xml_filename).c_str());
|
||||
boost::property_tree::write_xml(f, root, settings);
|
||||
*/
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user