Eclipse SUMO - Simulation of Urban MObility
DataHandler Class Referenceabstract

The XML-Handler for network loading. More...

#include <DataHandler.h>

Inheritance diagram for DataHandler:
Collaboration diagram for DataHandler:

Public Member Functions

 DataHandler (const std::string &file)
 Constructor. More...
 
bool parse ()
 parse More...
 
void parseSumoBaseObject (CommonXMLStructure::SumoBaseObject *obj)
 parse SumoBaseObject (it's called recursivelly) More...
 
 ~DataHandler ()
 Destructor. More...
 
build functions
virtual void buildDataInterval (const CommonXMLStructure::SumoBaseObject *sumoBaseObject, const std::string &dataSetID, const double begin, const double end)=0
 Builds DataInterval. More...
 
virtual void buildEdgeData (const CommonXMLStructure::SumoBaseObject *sumoBaseObject, const std::string &edgeID, const std::map< std::string, std::string > &parameters)=0
 Builds edgeData. More...
 
virtual void buildEdgeRelationData (const CommonXMLStructure::SumoBaseObject *sumoBaseObject, const std::string &fromEdgeID, const std::string &toEdgeID, const std::map< std::string, std::string > &parameters)=0
 Builds edgeRelationData. More...
 
virtual void buildTAZRelationData (const CommonXMLStructure::SumoBaseObject *sumoBaseObject, const std::string &fromTAZID, const std::string &toTAZID, const std::map< std::string, std::string > &parameters)=0
 Builds TAZRelationData. More...
 

Private Member Functions

void characters (const XMLCh *const chars, const XERCES3_SIZE_t length)
 The inherited method called when characters occurred. More...
 
void checkParent (const SumoXMLTag currentTag, const SumoXMLTag parentTag, bool &ok) const
 check parents More...
 
 DataHandler (const DataHandler &s)=delete
 invalidate copy constructor More...
 
void endElement (const XMLCh *const uri, const XMLCh *const localname, const XMLCh *const qname)
 The inherited method called when a tag is being closed. More...
 
const std::string & getFileName () const
 returns the current file name More...
 
DataHandleroperator= (const DataHandler &s)=delete
 invalidate assignment operator More...
 
void registerParent (const int tag, GenericSAXHandler *handler)
 Assigning a parent handler which is enabled when the specified tag is closed. More...
 
void setFileName (const std::string &name)
 Sets the current file name. More...
 
void startElement (const XMLCh *const uri, const XMLCh *const localname, const XMLCh *const qname, const XERCES_CPP_NAMESPACE::Attributes &attrs)
 The inherited method called when a new tag opens. More...
 
inherited from GenericSAXHandler
virtual void myStartElement (int element, const SUMOSAXAttributes &attrs)
 Called on the opening of a tag;. More...
 
virtual void myEndElement (int element)
 Called when a closing tag occurs. More...
 
parse data attributes

parse interval attributes

void parseInterval (const SUMOSAXAttributes &attrs)
 
void parseEdgeData (const SUMOSAXAttributes &attrs)
 parse edgeData attributes More...
 
void parseEdgeRelationData (const SUMOSAXAttributes &attrs)
 parse edgeRelationData attributes More...
 
void parseTAZRelationData (const SUMOSAXAttributes &attrs)
 parse TAZRelationData attributes More...
 
SAX ErrorHandler callbacks
void warning (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Handler for XML-warnings. More...
 
void error (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Handler for XML-errors. More...
 
void fatalError (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Handler for XML-errors. More...
 
std::string buildErrorMessage (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Builds an error message. More...
 
virtual void myCharacters (int element, const std::string &chars)
 Callback method for characters to implement by derived classes. More...
 
XMLCh * convert (const std::string &name) const
 converts from c++-string into unicode More...
 
int convertTag (const std::string &tag) const
 Converts a tag from its string into its numerical representation. More...
 

Private Attributes

CommonXMLStructure myCommonXMLStructure
 common XML Structure More...
 

attributes parsing

AttrMap myPredefinedTags
 
std::vector< std::string > myPredefinedTagsMML
 the map from ids to their string representation More...
 
typedef std::vector< XMLCh * > AttrMap
 

elements parsing

TagMap myTagMap
 
std::vector< std::string > myCharactersVector
 A list of character strings obtained so far to build the complete characters string at the end. More...
 
GenericSAXHandlermyParentHandler
 The handler to give control back to. More...
 
int myParentIndicator
 The tag indicating that control should be given back. More...
 
std::string myFileName
 The name of the currently parsed file. More...
 
std::string myExpectedRoot
 The root element to expect, empty string disables the check. More...
 
bool myRootSeen
 whether the reader has already seen the root element More...
 
typedef std::map< std::string, int > TagMap
 

Detailed Description

The XML-Handler for network loading.

The SAX2-handler responsible for parsing networks and routes to load. This is an extension of the MSRouteHandler as routes and vehicles may also be loaded from network descriptions.

Definition at line 38 of file DataHandler.h.

Member Typedef Documentation

◆ AttrMap

typedef std::vector<XMLCh*> GenericSAXHandler::AttrMap
privateinherited

Definition at line 279 of file GenericSAXHandler.h.

◆ TagMap

typedef std::map<std::string, int> GenericSAXHandler::TagMap
privateinherited

Definition at line 293 of file GenericSAXHandler.h.

Constructor & Destructor Documentation

◆ DataHandler() [1/2]

DataHandler::DataHandler ( const std::string &  file)

Constructor.

Parameters
[in]fileName of the parsed file

Definition at line 33 of file DataHandler.cpp.

◆ ~DataHandler()

DataHandler::~DataHandler ( )

Destructor.

Definition at line 38 of file DataHandler.cpp.

◆ DataHandler() [2/2]

DataHandler::DataHandler ( const DataHandler s)
privatedelete

invalidate copy constructor

Member Function Documentation

◆ buildDataInterval()

virtual void DataHandler::buildDataInterval ( const CommonXMLStructure::SumoBaseObject sumoBaseObject,
const std::string &  dataSetID,
const double  begin,
const double  end 
)
pure virtual

Builds DataInterval.

Parameters
[in]sumoBaseObjectsumo base object used for build
[in]dataSetIDinterval's dataSet
[in]begininterval begin
[in]endinterval end

Implemented in GNEDataHandler.

Referenced by parseSumoBaseObject().

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◆ buildEdgeData()

virtual void DataHandler::buildEdgeData ( const CommonXMLStructure::SumoBaseObject sumoBaseObject,
const std::string &  edgeID,
const std::map< std::string, std::string > &  parameters 
)
pure virtual

Builds edgeData.

Parameters
[in]sumoBaseObjectsumo base object used for build
[in]edgeIDedge ID
[in]parametersparameters map

Implemented in GNEDataHandler.

Referenced by parseSumoBaseObject().

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◆ buildEdgeRelationData()

virtual void DataHandler::buildEdgeRelationData ( const CommonXMLStructure::SumoBaseObject sumoBaseObject,
const std::string &  fromEdgeID,
const std::string &  toEdgeID,
const std::map< std::string, std::string > &  parameters 
)
pure virtual

Builds edgeRelationData.

Parameters
[in]sumoBaseObjectsumo base object used for build
[in]fromEdgeedge from
[in]toEdgeedge to
[in]parametersparameters map

Implemented in GNEDataHandler.

Referenced by parseSumoBaseObject().

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◆ buildErrorMessage()

std::string GenericSAXHandler::buildErrorMessage ( const XERCES_CPP_NAMESPACE::SAXParseException &  exception)
protectedinherited

Builds an error message.

The error message includes the file name and the line/column information as supported by the given SAXParseException

Parameters
[in]exceptionThe name of the currently processed file
Returns
A string describing the given exception

Definition at line 188 of file GenericSAXHandler.cpp.

References GenericSAXHandler::getFileName(), and transcode().

Referenced by GenericSAXHandler::error(), GenericSAXHandler::fatalError(), and GenericSAXHandler::warning().

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◆ buildTAZRelationData()

virtual void DataHandler::buildTAZRelationData ( const CommonXMLStructure::SumoBaseObject sumoBaseObject,
const std::string &  fromTAZID,
const std::string &  toTAZID,
const std::map< std::string, std::string > &  parameters 
)
pure virtual

Builds TAZRelationData.

Parameters
[in]sumoBaseObjectsumo base object used for build
[in]fromTAZTAZ from
[in]toTAZTAZ to
[in]parametersparameters map

Implemented in GNEDataHandler.

Referenced by parseSumoBaseObject().

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◆ characters()

void GenericSAXHandler::characters ( const XMLCh *const  chars,
const XERCES3_SIZE_t  length 
)
inherited

The inherited method called when characters occurred.

The retrieved characters are converted into a string and appended into a private buffer. They are reported as soon as the element ends.

Todo:

recheck/describe what happens with characters when a new element is opened

describe characters processing in the class' head

Definition at line 171 of file GenericSAXHandler.cpp.

References GenericSAXHandler::myCharactersVector, and StringUtils::transcode().

◆ checkParent()

void DataHandler::checkParent ( const SumoXMLTag  currentTag,
const SumoXMLTag  parentTag,
bool &  ok 
) const
private

◆ convert()

XMLCh * GenericSAXHandler::convert ( const std::string &  name) const
privateinherited

converts from c++-string into unicode

Todo:
recheck encoding
Parameters
[in]nameThe string to convert
Returns
The string converted into a XMLCh-string

Definition at line 84 of file GenericSAXHandler.cpp.

Referenced by GenericSAXHandler::GenericSAXHandler().

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◆ convertTag()

int GenericSAXHandler::convertTag ( const std::string &  tag) const
privateinherited

Converts a tag from its string into its numerical representation.

Returns the enum-representation stored for the given tag. If the tag is not known, SUMO_TAG_NOTHING is returned.

Parameters
[in]tagThe string to convert
Returns
The int-value that represents the string, SUMO_TAG_NOTHING if the named attribute is not known

Definition at line 178 of file GenericSAXHandler.cpp.

References GenericSAXHandler::myTagMap, and SUMO_TAG_NOTHING.

Referenced by GenericSAXHandler::endElement(), and GenericSAXHandler::startElement().

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◆ endElement()

void GenericSAXHandler::endElement ( const XMLCh *const  uri,
const XMLCh *const  localname,
const XMLCh *const  qname 
)
inherited

The inherited method called when a tag is being closed.

This method calls the user-implemented methods myCharacters with the previously collected and converted characters.

Then, myEndElement is called, supplying it the qname converted to its enum- and string-representations.

Todo:

recheck/describe encoding of the string-representation

do not generate and report the string-representation

Definition at line 122 of file GenericSAXHandler.cpp.

References GenericSAXHandler::convertTag(), GenericSAXHandler::myCharacters(), GenericSAXHandler::myCharactersVector, GenericSAXHandler::myEndElement(), GenericSAXHandler::myParentHandler, GenericSAXHandler::myParentIndicator, XMLSubSys::setHandler(), SUMO_TAG_INCLUDE, SUMO_TAG_NOTHING, and StringUtils::transcode().

◆ error()

void GenericSAXHandler::error ( const XERCES_CPP_NAMESPACE::SAXParseException &  exception)
inherited

Handler for XML-errors.

The message is built using buildErrorMessage and thrown within a ProcessError.

Parameters
[in]exceptionThe occurred exception to process
Exceptions
ProcessErrorOn any call

Definition at line 207 of file GenericSAXHandler.cpp.

References GenericSAXHandler::buildErrorMessage().

Referenced by MSRouteHandler::addFlowTransportable(), MSRouteHandler::checkTransportableType(), MSRouteHandler::closeTransportable(), and NIImporter_OpenDrive::geomFromSpiral().

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◆ fatalError()

void GenericSAXHandler::fatalError ( const XERCES_CPP_NAMESPACE::SAXParseException &  exception)
inherited

Handler for XML-errors.

The message is built using buildErrorMessage and thrown within a ProcessError.

Exceptions
ProcessErrorOn any call
Parameters
[in]exceptionThe occurred exception to process

Definition at line 213 of file GenericSAXHandler.cpp.

References GenericSAXHandler::buildErrorMessage().

◆ getFileName()

◆ myCharacters()

void GenericSAXHandler::myCharacters ( int  element,
const std::string &  chars 
)
protectedvirtualinherited

Callback method for characters to implement by derived classes.

Called by "endElement" (see there).

Parameters
[in]elementThe opened element, given as a int
[in]charsThe complete embedded character string @exceptions ProcessError These method may throw a ProcessError if something fails

Reimplemented in NIImporter_OpenDrive, and NIImporter_ITSUMO::Handler.

Definition at line 223 of file GenericSAXHandler.cpp.

Referenced by GenericSAXHandler::endElement().

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◆ myEndElement()

void DataHandler::myEndElement ( int  element)
privatevirtual

Called when a closing tag occurs.

Parameters
[in]elementID of the currently opened element
Exceptions
ProcessErrorIf something fails
See also
GenericSAXHandler::myEndElement
Todo:
Refactor/describe

Reimplemented from GenericSAXHandler.

Definition at line 120 of file DataHandler.cpp.

References CommonXMLStructure::closeSUMOBaseOBject(), CommonXMLStructure::getCurrentSumoBaseObject(), myCommonXMLStructure, parseSumoBaseObject(), and SUMO_TAG_INTERVAL.

◆ myStartElement()

void DataHandler::myStartElement ( int  element,
const SUMOSAXAttributes attrs 
)
privatevirtual

Called on the opening of a tag;.

Parameters
[in]elementID of the currently opened element
[in]attrsAttributes within the currently opened element
Exceptions
ProcessErrorIf something fails
See also
GenericSAXHandler::myStartElement
Todo:
Refactor/describe

Reimplemented from GenericSAXHandler.

Definition at line 88 of file DataHandler.cpp.

References myCommonXMLStructure, CommonXMLStructure::openSUMOBaseOBject(), parseEdgeData(), parseEdgeRelationData(), parseInterval(), parseTAZRelationData(), SUMO_TAG_EDGE, SUMO_TAG_EDGEREL, SUMO_TAG_INTERVAL, SUMO_TAG_ROOTFILE, SUMO_TAG_TAZREL, and WRITE_ERROR.

◆ operator=()

DataHandler& DataHandler::operator= ( const DataHandler s)
privatedelete

invalidate assignment operator

◆ parse()

bool DataHandler::parse ( )

◆ parseEdgeData()

◆ parseEdgeRelationData()

◆ parseInterval()

◆ parseSumoBaseObject()

◆ parseTAZRelationData()

◆ registerParent()

void GenericSAXHandler::registerParent ( const int  tag,
GenericSAXHandler handler 
)
inherited

Assigning a parent handler which is enabled when the specified tag is closed.

Definition at line 163 of file GenericSAXHandler.cpp.

References GenericSAXHandler::myParentHandler, GenericSAXHandler::myParentIndicator, and XMLSubSys::setHandler().

Referenced by NLTriggerBuilder::parseAndBuildCalibrator(), NLTriggerBuilder::parseAndBuildLaneSpeedTrigger(), and NLTriggerBuilder::parseAndBuildRerouter().

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◆ setFileName()

void GenericSAXHandler::setFileName ( const std::string &  name)
inherited

Sets the current file name.

Parameters
[in]nameThe name of the currently processed file
Todo:
Hmmm - this is as unsafe as having a direct access to the variable; recheck

Definition at line 72 of file GenericSAXHandler.cpp.

References GenericSAXHandler::myFileName.

Referenced by NIImporter_SUMO::_loadNetwork(), MSStateHandler::MSStateTimeHandler::getTime(), GUISettingsHandler::GUISettingsHandler(), NIImporter_OpenStreetMap::load(), NIImporter_Vissim::load(), PCNetProjectionLoader::load(), NITypeLoader::load(), loadNet(), ROLoader::loadNet(), NIImporter_ITSUMO::loadNetwork(), NIImporter_MATSim::loadNetwork(), NIImporter_OpenDrive::loadNetwork(), main(), and XMLSubSys::runParser().

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◆ startElement()

void GenericSAXHandler::startElement ( const XMLCh *const  uri,
const XMLCh *const  localname,
const XMLCh *const  qname,
const XERCES_CPP_NAMESPACE::Attributes &  attrs 
)
inherited

The inherited method called when a new tag opens.

The method parses the supplied XMLCh*-qname using the internal name/enum-map to obtain the enum representation of the attribute name.

Then, "myStartElement" is called supplying the enumeration value, the string-representation of the name and the attributes.

Todo:

recheck/describe encoding of the string-representation

do not generate and report the string-representation

Definition at line 97 of file GenericSAXHandler.cpp.

References GenericSAXHandler::convertTag(), FileHelpers::getConfigurationRelative(), GenericSAXHandler::getFileName(), SUMOSAXAttributesImpl_Xerces::getString(), FileHelpers::isAbsolute(), GenericSAXHandler::myCharactersVector, GenericSAXHandler::myExpectedRoot, GenericSAXHandler::myPredefinedTags, GenericSAXHandler::myPredefinedTagsMML, GenericSAXHandler::myRootSeen, GenericSAXHandler::myStartElement(), XMLSubSys::runParser(), SUMO_ATTR_HREF, SUMO_TAG_INCLUDE, StringUtils::transcode(), and WRITE_WARNING.

◆ warning()

void GenericSAXHandler::warning ( const XERCES_CPP_NAMESPACE::SAXParseException &  exception)
inherited

Handler for XML-warnings.

The message is built using buildErrorMessage and reported to the warning-instance of the MsgHandler.

Parameters
[in]exceptionThe occurred exception to process

Definition at line 201 of file GenericSAXHandler.cpp.

References GenericSAXHandler::buildErrorMessage(), and WRITE_WARNING.

Field Documentation

◆ myCharactersVector

std::vector<std::string> GenericSAXHandler::myCharactersVector
privateinherited

A list of character strings obtained so far to build the complete characters string at the end.

Definition at line 300 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::characters(), GenericSAXHandler::endElement(), and GenericSAXHandler::startElement().

◆ myCommonXMLStructure

CommonXMLStructure DataHandler::myCommonXMLStructure
private

◆ myExpectedRoot

std::string GenericSAXHandler::myExpectedRoot
privateinherited

The root element to expect, empty string disables the check.

Definition at line 312 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::startElement().

◆ myFileName

std::string GenericSAXHandler::myFileName
privateinherited

The name of the currently parsed file.

Definition at line 309 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::getFileName(), and GenericSAXHandler::setFileName().

◆ myParentHandler

GenericSAXHandler* GenericSAXHandler::myParentHandler
privateinherited

The handler to give control back to.

Definition at line 303 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::endElement(), and GenericSAXHandler::registerParent().

◆ myParentIndicator

int GenericSAXHandler::myParentIndicator
privateinherited

The tag indicating that control should be given back.

Definition at line 306 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::endElement(), and GenericSAXHandler::registerParent().

◆ myPredefinedTags

AttrMap GenericSAXHandler::myPredefinedTags
privateinherited

◆ myPredefinedTagsMML

std::vector<std::string> GenericSAXHandler::myPredefinedTagsMML
privateinherited

the map from ids to their string representation

Definition at line 285 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::GenericSAXHandler(), and GenericSAXHandler::startElement().

◆ myRootSeen

bool GenericSAXHandler::myRootSeen
privateinherited

whether the reader has already seen the root element

Definition at line 315 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::startElement().

◆ myTagMap

TagMap GenericSAXHandler::myTagMap
privateinherited

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