//\brief split one string into a vector of argument strings
// caution: when using OpenMP, this method runs in parallel threads
void tokenizeEntityArguments( const std::wstring& argument_str, std::vector<std::wstring>& entity_arguments )
{
wchar_t* stream_pos = (wchar_t*)argument_str.c_str();
if( *stream_pos != '(' )
{
return;
}
++stream_pos;
int num_open_braces = 1;
wchar_t* last_token = stream_pos;
while( *stream_pos != '\0' )
{
if( *stream_pos == '\'' )
{
findEndOfWString( stream_pos );
continue;
}
if( *stream_pos == '(' )
{
++num_open_braces;
}
else if( *stream_pos == ',' )
{
if( num_open_braces == 1 )
{
if( *last_token == ',' )
{
++last_token;
}
wchar_t* begin_arg = last_token;
// skip whitespace
while( isspace( *begin_arg ) )
{
++begin_arg;
}
wchar_t* end_arg = stream_pos-1;
entity_arguments.push_back( std::wstring( begin_arg, end_arg-begin_arg+1 ) );
last_token = stream_pos;
}
}
else if( *stream_pos == ')' )
{
--num_open_braces;
if( num_open_braces == 0 )
{
if( *last_token == ',' )
{
++last_token;
}
wchar_t* begin_arg = last_token;
// skip whitespace
while( isspace( *begin_arg ) )
{
++begin_arg;
}
int remaining_size = (int)(stream_pos - begin_arg);
if( remaining_size > 0 )
{
wchar_t* end_arg = stream_pos-1;
entity_arguments.push_back( std::wstring( begin_arg, end_arg-begin_arg+1 ) );
}
break;
}
}
++stream_pos;
}
}
void IfcPPReaderSTEP::readStreamHeader( const std::string& read_in, shared_ptr<IfcPPModel>& target_model )
{
if( !target_model )
{
throw IfcPPException( "Model not set.", __FUNC__ );
}
target_model->m_file_header = L"";
target_model->m_IFC_FILE_DESCRIPTION = L"";
target_model->m_IFC_FILE_NAME = L"";
size_t file_header_start = read_in.find("HEADER;");
size_t file_header_end = read_in.find("ENDSEC;");
if( file_header_start == std::string::npos || file_header_end == std::string::npos )
{
return;
}
IfcPPModel::IfcPPSchemaVersion schema_version( L"", IfcPPModel::IFC_VERSION_UNDEFINED );
target_model->setIfcSchemaVersion( schema_version );
file_header_start += 7;
std::string file_header = read_in.substr( file_header_start, file_header_end - file_header_start );
std::vector<std::string> vec_header;
std::vector<std::wstring> vec_header_wstr;
vec_header.push_back( file_header );
decodeArgumentStrings( vec_header, vec_header_wstr );
std::wstring file_header_wstr;
if( vec_header_wstr.size() > 0 )
{
file_header_wstr = vec_header_wstr[0];
}
target_model->setFileHeader( file_header_wstr );
std::vector<std::wstring> vec_header_lines;
// split into lines
wchar_t* stream_pos = &file_header_wstr[0];
wchar_t* last_token = stream_pos;
while( *stream_pos != '\0' )
{
if( *stream_pos == '\'' )
{
findEndOfWString( stream_pos );
continue;
}
if( *stream_pos == ';' )
{
wchar_t* begin_line = last_token;
std::wstring single_step_line( begin_line, stream_pos-last_token );
vec_header_lines.push_back( single_step_line );
++stream_pos;
while(isspace(*stream_pos)){++stream_pos;}
last_token = stream_pos;
continue;
}
++stream_pos;
}
for( size_t i=0; i<vec_header_lines.size(); ++i )
{
std::wstring header_line = vec_header_lines[i];
if( header_line.find(L"FILE_DESCRIPTION") != std::string::npos )
{
target_model->setFileDescription( header_line );
continue;
}
if( header_line.find(L"FILE_NAME") != std::string::npos )
{
target_model->setFileName( header_line );
continue;
}
if( header_line.find(L"FILE_SCHEMA") != std::string::npos )
{
size_t file_schema_begin = header_line.find(L"FILE_SCHEMA") + 11;
target_model->getIfcSchemaVersion().m_IFC_FILE_SCHEMA = header_line;
std::wstring file_schema_args = header_line.substr( 11 );
size_t find_whitespace = file_schema_args.find(L" ");
while(find_whitespace != std::string::npos){ file_schema_args.erase(find_whitespace,1); find_whitespace = file_schema_args.find(L" "); }
if( file_schema_args.at(0) =='(' && file_schema_args.at(file_schema_args.size()-1) ==')' )
{
file_schema_args = file_schema_args.substr( 1, file_schema_args.size()-2 );
}
if( file_schema_args.at(0) =='(' && file_schema_args.at(file_schema_args.size()-1) ==')' )
{
file_schema_args = file_schema_args.substr( 1, file_schema_args.size()-2 );
}
if( file_schema_args.at(0) =='\'' && file_schema_args.at(file_schema_args.size()-1) =='\'' )
{
file_schema_args = file_schema_args.substr( 1, file_schema_args.size()-2 );
}
if( file_schema_args.substr(0,6).compare(L"IFC2X2") == 0 )
{
target_model->m_ifc_schema_version.m_ifc_file_schema_enum = IfcPPModel::IFC2X2;
}
else if( file_schema_args.substr(0,6).compare(L"IFC2X3") == 0 )
{
target_model->m_ifc_schema_version.m_ifc_file_schema_enum = IfcPPModel::IFC2X3;
}
else if( file_schema_args.substr(0,6).compare(L"IFC2X4") == 0 )
{
target_model->m_ifc_schema_version.m_ifc_file_schema_enum = IfcPPModel::IFC2X4;
}
else if( file_schema_args.substr(0,5).compare(L"IFC2X") == 0 )
{
target_model->m_ifc_schema_version.m_ifc_file_schema_enum = IfcPPModel::IFC2X;
}
else if( file_schema_args.compare(L"IFC4") == 0 )
{
target_model->m_ifc_schema_version.m_ifc_file_schema_enum = IfcPPModel::IFC4;
}
else if( file_schema_args.compare(L"IFC4RC4") == 0 )
{
target_model->m_ifc_schema_version.m_ifc_file_schema_enum = IfcPPModel::IFC4;
}
else
{
target_model->m_ifc_schema_version.m_ifc_file_schema_enum = IfcPPModel::IFC_VERSION_UNDEFINED;
}
}
}
}
