void IfcPPReaderSTEP::loadModelFromString( std::string& content, shared_ptr<IfcPPModel>& target_model )
{
progressTextCallback( L"Reading file..." );
progressValueCallback( 0, "parse" );
try
{
removeComments( content );
readStreamHeader( content, target_model );
readStreamData( content, target_model );
target_model->resolveInverseAttributes();
target_model->updateCache();
}
catch( IfcPPOutOfMemoryException& e)
{
throw e;
}
catch( IfcPPException& e )
{
messageCallback( e.what(), StatusCallback::MESSAGE_TYPE_ERROR, "" );
}
catch( std::exception& e )
{
messageCallback( e.what(), StatusCallback::MESSAGE_TYPE_ERROR, "" );
}
catch( ... )
{
messageCallback( "An error occured", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
}
}
void ReaderSTEP::loadModelFromString( std::string& content, shared_ptr<BuildingModel>& targetModel)
{
progressTextCallback( L"Reading file..." );
progressValueCallback( 0, "parse" );
try
{
removeComments( content );
readHeader( content, targetModel);
readData( content, targetModel);
targetModel->resolveInverseAttributes();
targetModel->updateCache();
// currently generated IFC classes are IFC4, files with older versions are converted. So after loading, the schema is always IFC4
targetModel->getIfcSchemaVersion().m_IFC_FILE_SCHEMA = L"IFC4";
targetModel->getIfcSchemaVersion().m_ifc_file_schema_enum = BuildingModel::IFC4;
}
catch( OutOfMemoryException& e)
{
throw e;
}
catch( BuildingException& e )
{
messageCallback( e.what(), StatusCallback::MESSAGE_TYPE_ERROR, "" );
}
catch( std::exception& e )
{
messageCallback( e.what(), StatusCallback::MESSAGE_TYPE_ERROR, "" );
}
catch( ... )
{
messageCallback( "An error occurred", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
}
}
void IfcPPReaderSTEP::loadModelFromFile( const std::wstring& file_path, shared_ptr<IfcPPModel>& target_model )
{
// if file content needs to be loaded into a plain model, call resetModel() before loadModelFromFile
std::wstring ext = file_path.substr( file_path.find_last_of( L"." ) + 1 );
if( boost::iequals( ext, "ifc" ) )
{
// ok, nothing to do here
}
else if( boost::iequals( ext, "ifcXML" ) )
{
// TODO: implement xml reader
messageCallback( "ifcXML not yet implemented", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
else if( boost::iequals( ext, "ifcZIP" ) )
{
// TODO: implement zip uncompress
messageCallback( "ifcZIP not yet implemented", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
else
{
std::wstringstream strs;
strs << "Unsupported file type: " << ext;
messageCallback( strs.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
// open file
#ifdef _MSC_VER
std::ifstream infile(file_path.c_str(), std::ifstream::in );
#else
std::string file_path_str( file_path.begin(), file_path.end() );
std::ifstream infile(file_path_str.c_str(), std::ifstream::in );
#endif
if( !infile.is_open() )
{
std::wstringstream strs;
strs << "Could not open file: " << file_path.c_str();
messageCallback( strs.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
// get length of file content
std::streampos file_size = infile.tellg();
infile.seekg( 0, std::ios::end );
file_size = infile.tellg() - file_size;
infile.seekg( 0, std::ios::beg );
// read file content into string
std::string buffer( (int)file_size, '\0' );
infile.read( &buffer[0], file_size );
infile.close();
loadModelFromString( buffer, target_model );
}
void IfcPPModel::insertEntity( shared_ptr<IfcPPEntity> e, bool overwrite_existing, bool warn_on_existing_entities )
{
if( !e )
{
return;
}
int entity_id = e->m_id;
if( entity_id < 0 )
{
int next_unused_id = getMaxUsedEntityId() + 1;
e->m_id = next_unused_id;
entity_id = next_unused_id;
}
auto it_find = m_map_entities.find( entity_id );
if( it_find != m_map_entities.end() )
{
// key already exists
if( overwrite_existing )
{
it_find->second = e;
}
else
{
if( warn_on_existing_entities )
{
messageCallback( "Entity already in model", StatusCallback::MESSAGE_TYPE_WARNING, __FUNC__, e.get() );
}
}
}
else
{
// the key does not exist in the map
m_map_entities.insert( it_find, map_t<int,shared_ptr<IfcPPEntity> >::value_type( entity_id, e ) );
}
#ifdef _DEBUG
auto product = dynamic_pointer_cast<IfcProduct>( e );
if( product )
{
if( !product->m_GlobalId )
{
messageCallback( "IfcProduct->m_GlobalId not set", StatusCallback::MESSAGE_TYPE_WARNING, __FUNC__, product.get() );
return;
}
if( product->m_GlobalId->m_value.length() < 22 )
{
messageCallback( "IfcProduct->m_GlobalId.length() < 22", StatusCallback::MESSAGE_TYPE_WARNING, __FUNC__, product.get() );
}
}
#endif
// TODO: if type is IfcRoot (or subtype), and GlobalID not set, create one
}
void IfcPPModel::removeEntity( shared_ptr<IfcPPEntity> e )
{
if( !e )
{
messageCallback( "Entity not valid", StatusCallback::MESSAGE_TYPE_WARNING, __FUNC__, e.get() );
return;
}
int remove_id = e->m_id;
auto it_find = m_map_entities.find(remove_id);
if( it_find == m_map_entities.end() )
{
messageCallback( "Entity not found in model", StatusCallback::MESSAGE_TYPE_WARNING, __FUNC__, e.get() );
return;
}
shared_ptr<IfcPPEntity> entity_found = it_find->second;
entity_found->unlinkFromInverseCounterparts();
IfcPPEntity* entity_remove_ptr = e.get();
if( entity_found.use_count() > 1 )
{
// find references to this entity and remove them
std::vector<std::pair<std::string, shared_ptr<IfcPPObject> > > vec_attributes_inverse;
entity_found->getAttributesInverse( vec_attributes_inverse );
for( size_t ii = 0; ii < vec_attributes_inverse.size(); ++ii )
{
shared_ptr<IfcPPObject>& attribute_inverse = vec_attributes_inverse[ii].second;
shared_ptr<IfcPPEntity> attribute_inverse_entity = dynamic_pointer_cast<IfcPPEntity>( attribute_inverse );
if( attribute_inverse_entity )
{
std::vector<std::pair<std::string, shared_ptr<IfcPPObject> > > vec_attributes;
attribute_inverse_entity->getAttributes( vec_attributes );
for( size_t jj = 0; jj < vec_attributes.size(); ++jj )
{
shared_ptr<IfcPPObject>& attribute = vec_attributes[jj].second;
if( attribute.get() == entity_remove_ptr )
{
vec_attributes.erase( vec_attributes.begin() + jj );
if( jj > 0 )
{
--jj;
}
}
}
}
}
}
m_map_entities.erase( it_find );
}
void System::message(CSOUND *csound, const char *format, va_list valist)
{
if (logfile) {
vfprintf(logfile, format, valist);
fflush(logfile);
}
if(messageCallback) {
messageCallback(csound, messageLevel, format, valist);
}
else {
vfprintf(stderr, format, valist);
}
}
void IfcPPModel::updateCache()
{
bool found_project = false;
bool found_geom_context = false;
shared_ptr<IfcProject> keep_project = m_ifc_project;
m_ifc_project.reset();
// try to find IfcProject and IfcGeometricRepresentationContext
for( auto it=m_map_entities.begin(); it!=m_map_entities.end(); ++it )
{
shared_ptr<IfcPPEntity> obj = it->second;
if( dynamic_pointer_cast<IfcProject>(obj) )
{
if( m_ifc_project )
{
messageCallback( "More than one IfcProject in model", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__, m_ifc_project.get() );
}
m_ifc_project = dynamic_pointer_cast<IfcProject>( obj );
found_project = true;
if( found_geom_context )
{
break;
}
}
else if( dynamic_pointer_cast<IfcGeometricRepresentationContext>(obj) )
{
auto context = dynamic_pointer_cast<IfcGeometricRepresentationContext>( obj );
if( context->m_CoordinateSpaceDimension )
{
if( context->m_CoordinateSpaceDimension->m_value == 3 )
{
m_geom_context_3d = context;
found_geom_context = true;
if( found_project )
{
break;
}
}
}
}
}
if( found_project )
{
m_unit_converter->setIfcProject( m_ifc_project );
}
}
int ngrest_server_dispatch(ngrest_server_request* request, ngrest_mod_callbacks callbacks)
{
try {
ngrest::MessageContext context;
context.pool = pooler.obtain();
PoolRecycler recycler(context.pool);
context.engine = &engine;
context.transport = &transport;
context.request = context.pool->alloc<ngrest::HttpRequest>();
context.response = context.pool->alloc<ngrest::HttpResponse>();
context.response->poolBody = pooler.obtain(65536); // 64 KB chunks for output buffer
ngrest::HttpRequest* httpRequest = static_cast<ngrest::HttpRequest*>(context.request);
ngrest::HttpResponse* httpResponse = static_cast<ngrest::HttpResponse*>(context.response);
ModMessageCallback messageCallback(httpResponse);
context.callback = &messageCallback;
httpRequest->setMethod(request->method);
httpRequest->path = request->uri;
httpRequest->clientHost = request->clientHost;
httpRequest->clientPort = request->clientPort;
HeaderIterateContext itCtx = {
httpRequest,
nullptr,
&context
};
callbacks.iterate_request_headers(request->req, &itCtx, [](void* context, const char* name, const char* value) {
HeaderIterateContext* itCtx = reinterpret_cast<HeaderIterateContext*>(context);
ngrest::Header* header = itCtx->context->pool->alloc<ngrest::Header>();
char* headerName = itCtx->context->pool->putCString(name, true);
toLowerCase(headerName);
header->name = headerName;
header->value = value;
if (itCtx->lastHeader == nullptr) {
itCtx->httpRequest->headers = header;
} else {
itCtx->lastHeader->next = header;
}
itCtx->lastHeader = header;
return 1;
});
if (request->hasBody) {
ngrest::MemPool* poolRequest = pooler.obtain(65536);
PoolRecycler recycler(poolRequest);
if (request->bodySize > 0)
poolRequest->reserve(request->bodySize + 1); // '\0'
const int64_t chunkSize = poolRequest->getChunkSize();
int64_t bufferSize = chunkSize;
int64_t read = 0;
int64_t total = 0;
char* buffer = poolRequest->grow(chunkSize);
for (;;) {
read = callbacks.read_block(request->req, buffer, bufferSize);
if (read < 0) {
callbacks.write_block(request->req, "Failed to read block!", 21);
return 500;
}
if (!request->bodySize && !read) // eof while body size unknown. stopping read
break;
buffer += read;
bufferSize -= read;
if (bufferSize == 0) {
buffer = poolRequest->grow(chunkSize);
bufferSize = chunkSize;
}
total += read;
if (request->bodySize && total >= request->bodySize)
break; // according to request->bodySize the whole request is read
}
poolRequest->shrinkLastChunk(bufferSize);
ngrest::MemPool::Chunk* body = poolRequest->flatten();
context.request->body = body->buffer;
context.request->bodySize = body->size;
engine.dispatchMessage(&context); // poolRequest will be recycled ouside this scope
} else {
engine.dispatchMessage(&context);
}
for (const ngrest::Header* header = httpResponse->headers; header; header = header->next) {
if (!strcmp(header->name, "Content-Type")) {
callbacks.set_content_type(request->req, header->value);
} else {
callbacks.set_response_header(request->req, header->name, header->value);
}
}
ngrest_server_write_response(request, callbacks, httpResponse->poolBody);
callbacks.finalize_response(request->req, httpResponse->statusCode);
return 0;
} catch (const std::exception& e) {
const char* error = e.what();
ngrest::LogWarning() << error;
callbacks.write_block(request->req, error, strlen(error));
} catch (...) {
ngrest::LogWarning() << "Unknown exception raised";
callbacks.write_block(request->req, "Internal server error", 22);
}
return 500;
}
void IfcPPReaderSTEP::readStreamData( std::string& read_in, const IfcPPModel::IfcPPSchemaVersion& ifc_version, boost::unordered_map<int,shared_ptr<IfcPPEntity> >& target_map )
{
std::string current_numeric_locale(setlocale(LC_NUMERIC, nullptr));
setlocale(LC_NUMERIC,"C");
if( ifc_version.m_ifc_file_schema_enum == IfcPPModel::IFC_VERSION_UNDEFINED || ifc_version.m_ifc_file_schema_enum == IfcPPModel::IFC_VERSION_UNKNOWN )
{
std::wstring error_message;
error_message.append( L"Unsupported IFC version: " );
error_message.append( ifc_version.m_IFC_FILE_SCHEMA );
messageCallback( error_message, StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
progressValueCallback(0.0, "parse");
return;
}
if( read_in.size() == 0 )
{
return;
}
messageCallback( std::wstring( L"Detected IFC version: ") + ifc_version.m_IFC_FILE_SCHEMA, StatusCallback::MESSAGE_TYPE_GENERAL_MESSAGE, "" );
std::stringstream err;
std::vector<std::string> step_lines;
std::vector<std::pair<std::string, shared_ptr<IfcPPEntity> > > vec_entities;
try
{
splitIntoStepLines( read_in, step_lines );
read_in.clear(); // the input string is not needed any more
const size_t num_lines = step_lines.size();
vec_entities.resize( num_lines );
readStepLines( step_lines, vec_entities );
}
catch( UnknownEntityException& e )
{
std::string unknown_keyword = e.m_keyword;
err << __FUNC__ << ": unknown entity: " << unknown_keyword.c_str() << std::endl;
}
catch( IfcPPOutOfMemoryException& e)
{
throw e;
}
catch( IfcPPException& e )
{
err << e.what();
}
catch(std::exception& e)
{
err << e.what();
}
catch(...)
{
err << __FUNC__ << ": error occurred" << std::endl;
}
step_lines.clear();
// copy entities into map so that they can be found during entity attribute initialization
for( size_t ii_entity = 0; ii_entity < vec_entities.size(); ++ii_entity )
{
std::pair<std::string, shared_ptr<IfcPPEntity> >& entity_read_object = vec_entities[ii_entity];
shared_ptr<IfcPPEntity> entity = entity_read_object.second;
if( entity ) // skip aborted entities
{
target_map.insert( std::make_pair( entity->m_id, entity ) );
}
}
try
{
readEntityArguments( ifc_version, vec_entities, target_map );
}
catch( IfcPPOutOfMemoryException& e)
{
throw e;
}
catch( IfcPPException& e )
{
err << e.what();
}
catch(std::exception& e)
{
err << e.what();
}
catch(...)
{
err << __FUNC__ << ": error occurred" << std::endl;
}
setlocale(LC_NUMERIC,current_numeric_locale.c_str());
if( err.tellp() > 0 )
{
messageCallback( err.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
}
}
void IfcPPReaderSTEP::readEntityArguments( const IfcPPModel::IfcPPSchemaVersion& ifc_version,
const std::vector<std::pair<std::string, shared_ptr<IfcPPEntity> > >& vec_entities,
const boost::unordered_map<int,shared_ptr<IfcPPEntity> >& map_entities )
{
// second pass, now read arguments
// every object can be initialized independently in parallel
const int num_objects = (int)vec_entities.size();
std::stringstream err;
// set progress
double progress = 0.3;
progressValueCallback( progress, "parse" );
double last_progress = 0.3;
const boost::unordered_map<int,shared_ptr<IfcPPEntity> >* map_entities_ptr = &map_entities;
const std::vector<std::pair<std::string, shared_ptr<IfcPPEntity> > >* vec_entities_ptr = &vec_entities;
#ifdef IFCPP_OPENMP
#pragma omp parallel firstprivate(num_objects) shared(map_entities_ptr,vec_entities_ptr)
#endif
{
const boost::unordered_map<int,shared_ptr<IfcPPEntity> > &map_entities_ptr_local = *map_entities_ptr;
#ifdef IFCPP_OPENMP
#pragma omp for schedule(dynamic, 100)
#endif
for( int i=0; i<num_objects; ++i )
{
const std::pair<std::string, shared_ptr<IfcPPEntity> >& entity_read_object = (*vec_entities_ptr)[i];
const shared_ptr<IfcPPEntity> entity = entity_read_object.second;
if( !entity )
{
continue;
}
const std::string& argument_str = entity_read_object.first;
std::vector<std::string> arguments;
std::vector<std::wstring> arguments_w;
tokenizeEntityArguments( argument_str, arguments );
// character decoding:
decodeArgumentStrings( arguments, arguments_w );
if( ifc_version.m_ifc_file_schema_enum != IfcPPModel::IFC4 )
{
if( ifc_version.m_ifc_file_schema_enum != IfcPPModel::IFC_VERSION_UNDEFINED && ifc_version.m_ifc_file_schema_enum != IfcPPModel::IFC_VERSION_UNKNOWN )
{
IfcPPEntityEnum entity_enum = entity->m_entity_enum;
applyBackwardCompatibility( ifc_version, entity_enum, arguments_w );
}
}
try
{
entity->readStepArguments( arguments_w, map_entities_ptr_local );
}
catch( std::exception& e )
{
#ifdef IFCPP_OPENMP
#pragma omp critical
#endif
err << "#" << entity->m_id << "=" << entity->className() << ": " << e.what();
}
catch( std::exception* e )
{
#ifdef IFCPP_OPENMP
#pragma omp critical
#endif
err << "#" << entity->m_id << "=" << entity->className() << ": " << e->what();
}
catch(...)
{
#ifdef IFCPP_OPENMP
#pragma omp critical
#endif
err << "#" << entity->m_id << "=" << entity->className() << " readStepData: error occurred" << std::endl;
}
if( i%10 == 0 )
{
progress = 0.3 + 0.6*double(i)/double(num_objects);
if( progress - last_progress > 0.03 )
{
#ifdef IFCPP_OPENMP
if( omp_get_thread_num() == 0 )
#endif
{
progressValueCallback( progress, "parse" );
last_progress = progress;
}
}
}
}
} // implicic barrier
if( err.tellp() > 0 )
{
messageCallback( err.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
}
}
void IfcPPReaderSTEP::readSingleStepLine( const std::string& line, std::pair<std::string, shared_ptr<IfcPPEntity> >& target_read_object )
{
if( line.size() < 1 )
{
return;
}
char* stream_pos = (char*)line.c_str();
if( *stream_pos != '#' )
{
return;
}
// need at least one integer here
++stream_pos;
if( *stream_pos == '\0' )
{
return;
}
if( !isdigit( *stream_pos ) )
{
return;
}
char* begin_id = stream_pos;
// proceed until end of integer
++stream_pos;
while( *stream_pos != '\0' )
{
if( isdigit( *stream_pos ) )
{
++stream_pos;
}
else
{
break;
}
}
const int entity_id = atoi( std::string( begin_id, stream_pos - begin_id ).c_str() );
// skip whitespace
while( isspace( *stream_pos ) ) { ++stream_pos; }
// next char after whitespace needs to be an "="
if( *stream_pos != '=' )
{
// print error
return;
}
++stream_pos;
// skip whitespaces
while( isspace( *stream_pos ) ) { ++stream_pos; }
// extract keyword
const char* keyword_begin = stream_pos;
while( isalnum( *stream_pos ) ) { ++stream_pos; }
std::string keyword( keyword_begin, stream_pos - keyword_begin );
std::transform( keyword.begin(), keyword.end(), keyword.begin(), toupper );
// proceed to '('
if( *stream_pos != '(' )
{
while( *stream_pos != '\0' )
{
if( *stream_pos == '(' )
{
break;
}
++stream_pos;
}
}
if( keyword.size() == 0 )
{
std::stringstream strs;
strs << "Could not read STEP line: " << line.c_str();
messageCallback( strs.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
std::map<std::string,IfcPPEntityEnum>::iterator it_entity_enum = map_string2entity_enum.find( keyword );
if( it_entity_enum == map_string2entity_enum.end() )
{
throw UnknownEntityException( keyword );
}
else
{
IfcPPEntityEnum entity_enum = it_entity_enum->second;
shared_ptr<IfcPPEntity> obj( createIfcPPEntity( entity_enum ) );
if( obj )
{
obj->m_id = entity_id;
obj->m_entity_enum = entity_enum;
target_read_object.second = obj;
size_t sub_length = line.size() - ( stream_pos - line.c_str() );
std::string entity_arg( stream_pos, sub_length );
target_read_object.first.assign( entity_arg.begin(), entity_arg.end() );
}
else
{
std::stringstream strs;
strs << "Could not create object of type " << keyword << ", entity id " << entity_id;
messageCallback( strs.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
}
}
}
void ReaderSTEP::readEntityArguments( const BuildingModel::SchemaVersion& ifc_version,
const std::vector<std::pair<std::string, shared_ptr<BuildingEntity> > >& vec_entities, const std::map<int,shared_ptr<BuildingEntity> >& map_entities )
{
// second pass, now read arguments
// every object can be initialized independently in parallel
const int num_objects = static_cast<int>(vec_entities.size());
std::stringstream err;
// set progress
double progress = 0.3;
progressValueCallback( progress, "parse" );
double last_progress = 0.3;
const std::map<int,shared_ptr<BuildingEntity> >* map_entities_ptr = &map_entities;
const std::vector<std::pair<std::string, shared_ptr<BuildingEntity> > >* vec_entities_ptr = &vec_entities;
bool canceled = isCanceled();
#ifdef ENABLE_OPENMP
#pragma omp parallel firstprivate(num_objects) shared(map_entities_ptr,vec_entities_ptr)
#endif
{
const std::map<int,shared_ptr<BuildingEntity> > &map_entities_ptr_local = *map_entities_ptr;
#ifdef ENABLE_OPENMP
#pragma omp for schedule(dynamic, 100)
#endif
for( int i=0; i<num_objects; ++i )
{
if ( canceled )
{
continue;
}
const std::pair<std::string, shared_ptr<BuildingEntity> >& entity_read_object = (*vec_entities_ptr)[i];
const shared_ptr<BuildingEntity> entity = entity_read_object.second;
if( !entity )
{
continue;
}
const std::string& argument_str = entity_read_object.first;
std::vector<std::string> arguments;
std::vector<std::wstring> arguments_w;
tokenizeEntityArguments( argument_str, arguments );
// character decoding:
decodeArgumentStrings( arguments, arguments_w );
if( ifc_version.m_ifc_file_schema_enum != BuildingModel::IFC4 )
{
size_t num_expected_arguments = entity->getNumAttributes();
if( num_expected_arguments != arguments_w.size() )
{
while( arguments_w.size() > num_expected_arguments ) { arguments_w.pop_back(); }
while( arguments_w.size() < num_expected_arguments ) { arguments_w.emplace_back( L"$" ); }
}
}
if( std::string( entity->className() ).compare( "IfcColourRGB" ) == 0 )
{
if( arguments_w.size() < 4 )
{
arguments_w.insert( arguments_w.begin(), L"$" );
}
}
try
{
entity->readStepArguments( arguments_w, map_entities_ptr_local );
}
catch( std::exception& e )
{
#ifdef ENABLE_OPENMP
#pragma omp critical
#endif
err << "#" << entity->m_entity_id << "=" << entity->className() << ": " << e.what();
}
catch( std::exception* e )
{
#ifdef ENABLE_OPENMP
#pragma omp critical
#endif
err << "#" << entity->m_entity_id << "=" << entity->className() << ": " << e->what();
}
catch(...)
{
#ifdef ENABLE_OPENMP
#pragma omp critical
#endif
err << "#" << entity->m_entity_id << "=" << entity->className() << " readStepData: error occurred" << std::endl;
}
if( i%10 == 0 )
{
progress = 0.3 + 0.6*double(i)/double(num_objects);
if( progress - last_progress > 0.03 )
{
#ifdef ENABLE_OPENMP
if( omp_get_thread_num() == 0 )
#endif
{
progressValueCallback( progress, "parse" );
last_progress = progress;
if ( isCanceled() )
{
canceledCallback();
#ifdef ENABLE_OPENMP
canceled = true;
#pragma omp flush(canceled)
#else
break; // If we're not using OpenMP, we can safely break the loop
#endif
}
}
}
}
}
} // implicic barrier
if( err.tellp() > 0 )
{
messageCallback( err.str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
}
}
void ReaderSTEP::readSingleStepLine( const std::string& line, std::pair<std::string, shared_ptr<BuildingEntity> >& target_read_object )
{
if( line.empty() )
{
return;
}
char* stream_pos = const_cast<char*>(line.c_str());
if( *stream_pos != '#' )
{
return;
}
// need at least one integer here
++stream_pos;
if( *stream_pos == '\0' )
{
return;
}
if( !isdigit( *stream_pos ) )
{
return;
}
char* begin_id = stream_pos;
// proceed until end of integer
++stream_pos;
while( *stream_pos != '\0' )
{
if( isdigit( *stream_pos ) )
{
++stream_pos;
}
else
{
break;
}
}
const int entity_id = atoi( std::string( begin_id, stream_pos - begin_id ).c_str() );
// skip whitespace
while( isspace( *stream_pos ) ) { ++stream_pos; }
// next char after whitespace needs to be an "="
if( *stream_pos != '=' )
{
// print error
return;
}
++stream_pos;
// skip whitespaces
while( isspace( *stream_pos ) ) { ++stream_pos; }
// extract keyword
const char* entity_name_begin = stream_pos;
while( isalnum( *stream_pos ) ) { ++stream_pos; }
std::string entity_name_upper( entity_name_begin, stream_pos - entity_name_begin );
std::transform( entity_name_upper.begin(), entity_name_upper.end(), entity_name_upper.begin(), toupper );
// proceed to '('
if( *stream_pos != '(' )
{
while( *stream_pos != '\0' )
{
if( *stream_pos == '(' )
{
break;
}
++stream_pos;
}
}
if( entity_name_upper.empty() )
{
std::stringstream strs;
strs << "Could not read STEP line: " << line.c_str();
messageCallback( strs.str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
shared_ptr<BuildingEntity> obj( EntityFactory::createEntityObject( entity_name_upper ) );
if( obj )
{
obj->m_entity_id = entity_id;
target_read_object.second = obj;
size_t sub_length = line.size() - (stream_pos - line.c_str());
std::string entity_arg( stream_pos, sub_length );
target_read_object.first.assign( entity_arg.begin(), entity_arg.end() );
}
else
{
throw UnknownEntityException( entity_name_upper );
}
}
void ReaderSTEP::loadModelFromFile( const std::wstring& filePath, shared_ptr<BuildingModel>& targetModel )
{
// if file content needs to be loaded into a plain model, call resetModel() before loadModelFromFile
size_t posDot = filePath.find_last_of(L".");
if( filePath.size() < posDot + 3 || posDot > filePath.size() )
{
messageCallback("not an .ifc file", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__);
return;
}
std::wstring ext = filePath.substr(posDot + 1);
if( boost::iequals( ext, "ifc" ) )
{
// ok, nothing to do here
}
else if( boost::iequals( ext, "ifcXML" ) )
{
// TODO: implement xml reader
messageCallback( "ifcXML not yet implemented", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
else if( boost::iequals( ext, "ifcZIP" ) || boost::iequals(ext, "zip") )
{
messageCallback( "ifcZIP not implemented, see www.ifcquery.com for details", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
else
{
std::wstringstream strs;
strs << "Unsupported file type: " << ext;
messageCallback( strs.str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
// open file
if( !(setlocale(LC_ALL, "en-US") || setlocale(LC_ALL, "en_us.UTF-8") || setlocale(LC_ALL, "en_US.utf8")))
{
std::wstringstream strs;
strs << L"setlocale failed" << std::endl;
messageCallback(strs.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__);
return;
}
char* buf = nullptr;
size_t len = std::wcstombs(buf, filePath.c_str(), 0);
buf = new char[len + 1];
std::wcstombs(buf, filePath.c_str(), (len + 1) * 6);
std::string filePathStr(buf);
delete[] buf;
std::ifstream infile(filePathStr.c_str(), std::ifstream::in);
if( !infile.is_open() )
{
std::wstringstream strs;
strs << "Could not open file: " << filePath.c_str();
messageCallback( strs.str().c_str(), StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__ );
return;
}
// get length of file content
std::streampos file_size = infile.tellg();
infile.seekg( 0, std::ios::end );
file_size = infile.tellg() - file_size;
infile.seekg( 0, std::ios::beg );
// read file content into string
std::string buffer( (int)file_size, '\0' );
infile.read( &buffer[0], file_size );
infile.close();
size_t file_header_start = buffer.find("HEADER;");
size_t file_header_end = buffer.find("ENDSEC;");
if( file_header_start == std::string::npos || file_header_end == std::string::npos )
{
messageCallback("Not a valid IFC file, might be zip archive, see www.ifcquery.com for details", StatusCallback::MESSAGE_TYPE_ERROR, __FUNC__);
return;
}
loadModelFromString( buffer, targetModel);
}
void UnitConverter::setIfcProject( shared_ptr<IfcProject> project )
{
resetComplete();
if( !project->m_UnitsInContext )
{
messageCallback( "IfcProject.UnitsInContext not defined", StatusCallback::MESSAGE_TYPE_WARNING, __FUNC__ );
return;
}
shared_ptr<IfcUnitAssignment> unit_assignment = project->m_UnitsInContext;
std::vector<shared_ptr<IfcUnit> >& vec_units = unit_assignment->m_Units;
for( size_t ii = 0; ii < vec_units.size(); ++ii )
{
shared_ptr<IfcUnit> unit = vec_units[ii];
if( !unit )
{
continue;
}
shared_ptr<IfcSIUnit> si_unit = dynamic_pointer_cast<IfcSIUnit>( unit );
if( si_unit )
{
// example: #10 = IFCSIUNIT( *, .LENGTHUNIT., $, .METRE. );
// shared_ptr<IfcDimensionalExponents> m_Dimensions;
// shared_ptr<IfcUnitEnum> m_UnitType;
// shared_ptr<IfcSIPrefix> m_Prefix; //optional
// shared_ptr<IfcSIUnitName> m_Name;
shared_ptr<IfcUnitEnum> unit_type = si_unit->m_UnitType;
shared_ptr<IfcSIUnitName> unit_name = si_unit->m_Name;
if( unit_type )
{
if( unit_type->m_enum == IfcUnitEnum::ENUM_LENGTHUNIT )
{
if( unit_name )
{
if( unit_name->m_enum == IfcSIUnitName::ENUM_METRE )
{
m_length_unit_factor = 1.0;
m_length_unit_found = true;
}
}
if( si_unit->m_Prefix )
{
m_loaded_prefix = si_unit->m_Prefix;
if( m_prefix_map.find( si_unit->m_Prefix->m_enum ) != m_prefix_map.end() )
{
m_length_unit_factor = m_prefix_map[si_unit->m_Prefix->m_enum];
m_length_unit_found = true;
}
}
}
else if( unit_type->m_enum == IfcUnitEnum::ENUM_AREAUNIT )
{
// TODO: implement
}
else if( unit_type->m_enum == IfcUnitEnum::ENUM_VOLUMEUNIT )
{
// TODO: implement
}
else if( unit_type->m_enum == IfcUnitEnum::ENUM_PLANEANGLEUNIT )
{
if( unit_name )
{
if( unit_name->m_enum == IfcSIUnitName::ENUM_RADIAN )
{
m_angular_unit = RADIAN;
m_plane_angle_factor = 1.0;
}
}
}
}
continue;
}
shared_ptr<IfcConversionBasedUnit> conversion_based_unit = dynamic_pointer_cast<IfcConversionBasedUnit>( unit );
if( conversion_based_unit )
{
shared_ptr<IfcMeasureWithUnit> conversion_factor = conversion_based_unit->m_ConversionFactor;
if( conversion_factor )
{
shared_ptr<IfcUnit> unit_component = conversion_factor->m_UnitComponent;
if( unit_component )
{
shared_ptr<IfcSIUnit> unit_component_si = dynamic_pointer_cast<IfcSIUnit>( unit_component );
if( unit_component_si )
{
shared_ptr<IfcUnitEnum> type = unit_component_si->m_UnitType;
if( type )
{
if( type->m_enum == IfcUnitEnum::ENUM_LENGTHUNIT )
{
shared_ptr<IfcValue> length_value_select = conversion_factor->m_ValueComponent;
if( length_value_select )
{
shared_ptr<IfcRatioMeasure> ratio_measure = dynamic_pointer_cast<IfcRatioMeasure>( length_value_select );
if( ratio_measure )
{
m_length_unit_factor = ratio_measure->m_value;
m_length_unit_found = true;
}
shared_ptr<IfcLengthMeasure> length_measure = dynamic_pointer_cast<IfcLengthMeasure>( length_value_select );
if( length_measure )
{
m_length_unit_factor = length_measure->m_value;
m_length_unit_found = true;
}
}
if( boost::iequals( conversion_based_unit->m_Name->m_value.c_str(), L"INCH" ) )
{
m_length_unit_factor = 25.4*0.001; // 1 unit is 25.4 mm
m_length_unit_found = true;
}
else if( boost::iequals( conversion_based_unit->m_Name->m_value.c_str(), L"FOOT" ) )
{
m_length_unit_factor = 304.8*0.001; // 1 unit is 304.8 mm
m_length_unit_found = true;
}
else if( boost::iequals( conversion_based_unit->m_Name->m_value.c_str(), L"YARD" ) )
{
m_length_unit_factor = 914*0.001; // 1 unit is 914 mm
m_length_unit_found = true;
}
else if( boost::iequals( conversion_based_unit->m_Name->m_value.c_str(), L"MILE" ) )
{
m_length_unit_factor = 1609*0.001; // 1 unit is 1609 mm
m_length_unit_found = true;
}
}
else if( type->m_enum == IfcUnitEnum::ENUM_PLANEANGLEUNIT )
{
shared_ptr<IfcValue> plane_angle_value = conversion_factor->m_ValueComponent;
if( plane_angle_value )
{
if( dynamic_pointer_cast<IfcPlaneAngleMeasure>( plane_angle_value ) )
{
shared_ptr<IfcPlaneAngleMeasure> plane_angle_measure = dynamic_pointer_cast<IfcPlaneAngleMeasure>( plane_angle_value );
m_plane_angle_factor = plane_angle_measure->m_value;
m_angular_unit = CONVERSION_BASED;
}
else if( dynamic_pointer_cast<IfcRatioMeasure>( plane_angle_value ) )
{
shared_ptr<IfcRatioMeasure> plane_angle_measure = dynamic_pointer_cast<IfcRatioMeasure>( plane_angle_value );
m_plane_angle_factor = plane_angle_measure->m_value;
m_angular_unit = CONVERSION_BASED;
}
else if( conversion_based_unit->m_Name )
{
if( boost::iequals( conversion_based_unit->m_Name->m_value.c_str(), L"DEGREE" ) )
{
m_angular_unit = DEGREE;
m_plane_angle_factor = M_PI / 180.0;
}
}
}
}
}
}
}
}
}
}
}
