FlightGearStreamOutputReader Struct Reference

#include <module-flightgear.h>

Inheritance diagram for FlightGearStreamOutputReader:

Collaboration diagram for FlightGearStreamOutputReader:

Public Member Functions
virtual StreamContent *	Read (DataManager *pDM, MBDynParser &HP)
void	ReadFlightGearScalarValues (DataManager *pDM, MBDynParser &HP, FlightGearUserChannels &flightGearUserChannels, FieldsDescriptionFG *dataStructureInUse)
void	setDefaultValues (std::vector< ScalarValue * > &allValues, std::vector< bool > &assignedByUser, FieldsDescriptionFG &fieldsDescriptionFGInUse)
bool	fieldAlreadyUsed (std::string fieldDescription, FlightGearUserChannels &flightGearUserChannels)
StreamContent::Modifier *	buildFGStreamContentModifier (FieldsDescriptionFG &fieldsDescriptionFGInUse)
Public Member Functions inherited from StreamOutputContentTypeReader
virtual	~StreamOutputContentTypeReader (void)

Detailed Description

Definition at line 43 of file module-flightgear.h.

Member Function Documentation

StreamContent::Modifier * FlightGearStreamOutputReader::buildFGStreamContentModifier

(

FieldsDescriptionFG &

fieldsDescriptionFGInUse

)

Definition at line 164 of file sendToFlightgear.cc.

References buildFGBufCast().

Referenced by Read().

                                                                                                                               {
        StreamContent::Modifier *pSCM(0);

        std::vector<BufCast *> data(fieldsDescriptionFGInUse.size());
        buildFGBufCast(data, fieldsDescriptionFGInUse);

        size_t minsize = data[data.size() - 1]->offset() + data[data.size() - 1]->size();
        size_t size = minsize;

        pSCM = new StreamContentCopyCast(0, 0, size, data);

        return pSCM;
}

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bool FlightGearStreamOutputReader::fieldAlreadyUsed	(	std::string	fieldDescription,
		FlightGearUserChannels &	flightGearUserChannels
	)

Definition at line 156 of file sendToFlightgear.cc.

Referenced by ReadFlightGearScalarValues().

                                                                                                                             {
        if(flightGearUserChannels.find(fieldDescription) != flightGearUserChannels.end()){
                return true;
        }

        return false;
}

StreamContent * FlightGearStreamOutputReader::Read ( DataManager *  pDM, MBDynParser &  HP  )

virtual

Implements StreamOutputContentTypeReader.

Definition at line 61 of file sendToFlightgear.cc.

References buildFGStreamContentModifier(), fGNetCtrlsWordSet, fGNetFDMWordSet, fieldsDescriptionFGNetCtrls, fieldsDescriptionFGNetFDM, IncludeParser::GetLineData(), HighParser::IsKeyWord(), MBDYN_EXCEPT_ARGS, printOptionsOnTextFile(), ReadFlightGearScalarValues(), SAFENEWWITHCONSTRUCTOR, and setDefaultValues().

                                                                                  {
        StreamContent* pSC;

        FieldsDescriptionFG *fieldsDescriptionFGInUse;
        int totChannels;

        if(HP.IsKeyWord("NetFDM")){
                fieldsDescriptionFGInUse = &fieldsDescriptionFGNetFDM;
                totChannels = fieldsDescriptionFGNetFDM.size();
                sendToFGWordSetInUse = &fGNetFDMWordSet;
        }
        else if(HP.IsKeyWord("NetCtrls")){
                fieldsDescriptionFGInUse = &fieldsDescriptionFGNetCtrls;
                totChannels = fieldsDescriptionFGNetCtrls.size();
                sendToFGWordSetInUse = &fGNetCtrlsWordSet;
        }
        else{
                silent_cerr("invalid FG data structure "
                "at line " << HP.GetLineData() << std::endl);
                throw ErrGeneric(MBDYN_EXCEPT_ARGS);
        }

        if(HP.IsKeyWord("print" "options")){
                printOptionsOnTextFile("FGNetFDM_options.txt", fieldsDescriptionFGNetFDM);
                printOptionsOnTextFile("FGNetCtrls_options.txt", fieldsDescriptionFGNetCtrls);
                silent_cout("Flight Gear options correctly printed on files." << std::endl);
        }

        /*map containing descriptions and pointers to ScalarValue specified by user for every field he wants to use*/
        FlightGearUserChannels flightGearUserChannels;
        this->ReadFlightGearScalarValues(pDM, HP, flightGearUserChannels, fieldsDescriptionFGInUse);

        /*bulding of buffer that will be sent to Flight gear*/
        std::vector<ScalarValue*> allValues(totChannels);
        std::vector<bool> assignedByUser(totChannels, false);

        /*modifies user-specified fields in the buffer*/
        for(FlightGearUserChannels::iterator i = flightGearUserChannels.begin() ;       i != flightGearUserChannels.end() ; i++){
                FieldsDescriptionFG::iterator el = fieldsDescriptionFGInUse->find(i->first);
                int pos = (el->second.position) -1;
                allValues.at(pos) = i->second;
                assignedByUser.at(pos) = true;
        }

        /*initializes each remaining field with its default value*/
        this->setDefaultValues(allValues, assignedByUser, *fieldsDescriptionFGInUse);

        StreamContent::Modifier *pMod(0);
        pMod = this->buildFGStreamContentModifier(*fieldsDescriptionFGInUse);

        SAFENEWWITHCONSTRUCTOR(pSC, StreamContentValue, StreamContentValue(allValues, pMod));

        return pSC;
}

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void FlightGearStreamOutputReader::ReadFlightGearScalarValues	(	DataManager *	pDM,
		MBDynParser &	HP,
		FlightGearUserChannels &	flightGearUserChannels,
		FieldsDescriptionFG *	dataStructureInUse
	)

Definition at line 116 of file sendToFlightgear.cc.

References fieldAlreadyUsed(), IncludeParser::GetLineData(), HighParser::IsWord(), MBDYN_EXCEPT_ARGS, and ReadScalarValue().

Referenced by Read().

                                                                                                      {
        const char *fieldDescription;//field the user has written in MBDyn input file
        ScalarValue *scalarValue;
        std::string *s;

        while((fieldDescription = HP.IsWord(*sendToFGWordSetInUse)) != NULL){
                s = new std::string(fieldDescription);
                if(this->fieldAlreadyUsed(std::string(fieldDescription), flightGearUserChannels)){
                        silent_cerr("field of FGNetFDM already used "
                                "at line " << HP.GetLineData() << std::endl);
                        throw ErrGeneric(MBDYN_EXCEPT_ARGS);
                }

                scalarValue = ReadScalarValue(pDM, HP);
                flightGearUserChannels.insert(FlightGearUserChannels::value_type(*s, scalarValue));
        }
}

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void FlightGearStreamOutputReader::setDefaultValues	(	std::vector< ScalarValue * > &	allValues,
		std::vector< bool > &	assignedByUser,
		FieldsDescriptionFG &	fieldsDescriptionFGInUse
	)

Definition at line 135 of file sendToFlightgear.cc.

References FGNetCtrlsCurVersion, fGNetCtrlsWordSet, FGNetFDMCurVersion, fGNetFDMWordSet, SAFENEW, and SAFENEWWITHCONSTRUCTOR.

Referenced by Read().

                                                                                                                                                                      {
        DriveCaller *pDC = 0;

        if(!assignedByUser.at(fieldsDescriptionFGInUse.find("version")->second.position-1)){
                if(sendToFGWordSetInUse == &fGNetFDMWordSet){
                        SAFENEWWITHCONSTRUCTOR(pDC, ConstDriveCaller, ConstDriveCaller(FGNetFDMCurVersion));
                        allValues.at(fieldsDescriptionFGInUse.find("version")->second.position-1) = new ScalarDriveValue(pDC); //version
                }else if(sendToFGWordSetInUse == &fGNetCtrlsWordSet){
                        SAFENEWWITHCONSTRUCTOR(pDC, ConstDriveCaller, ConstDriveCaller(FGNetCtrlsCurVersion));
                        allValues.at(fieldsDescriptionFGInUse.find("version")->second.position-1) = new ScalarDriveValue(pDC); //version
                }
        }

        for (int i=1 ; i < allValues.size() ; i++){
                if(!assignedByUser.at(i)){
                        SAFENEW(pDC, NullDriveCaller);
                        allValues.at(i) = new ScalarDriveValue(pDC);
                }
        }
}

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The documentation for this struct was generated from the following files:

• module-flightgear.h
• sendToFlightgear.cc