Eclipse SUMO - Simulation of Urban MObility
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GeneralHandler Class Referenceabstract

#include <GeneralHandler.h>

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Public Member Functions

void characters (const XMLCh *const chars, const XERCES3_SIZE_t length)
 The inherited method called when characters occurred.
 
void endElement (const XMLCh *const uri, const XMLCh *const localname, const XMLCh *const qname)
 The inherited method called when a tag is being closed.
 
 GeneralHandler (const std::string &file)
 Constructor.
 
const std::string & getFileName () const
 returns the current file name
 
bool parse ()
 parse
 
void registerParent (const int tag, GenericSAXHandler *handler)
 Assigning a parent handler which is enabled when the specified tag is closed.
 
void setFileName (const std::string &name)
 Sets the current file name.
 
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.
 
 ~GeneralHandler ()
 Destructor.
 

Private Member Functions

virtual void beginTag (SumoXMLTag tag, const SUMOSAXAttributes &attrs)=0
 start element
 
virtual void endTag ()=0
 end element
 
 GeneralHandler (const GeneralHandler &s)=delete
 invalidate copy constructor
 
GeneralHandleroperator= (const GeneralHandler &s)=delete
 invalidate assignment operator
 
virtual bool postParserTasks ()=0
 run post parser tasks
 
inherited from SUMOSAXHandler
void myStartElement (int element, const SUMOSAXAttributes &attrs)
 Called on the opening of a tag;.
 
void myEndElement (int element)
 Called when a closing tag occurs.
 

SAX ErrorHandler callbacks

void warning (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Handler for XML-warnings.
 
void error (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Handler for XML-errors.
 
void fatalError (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Handler for XML-errors.
 
void setSection (const int element, const bool seen)
 
bool sectionFinished () const
 
std::pair< int, SUMOSAXAttributes * > retrieveNextSectionStart ()
 
void needsCharacterData (const bool value=true)
 
XMLCh * convert (const std::string &name) const
 converts from c++-string into unicode
 
int convertTag (const std::string &tag) const
 Converts a tag from its string into its numerical representation.
 
std::string buildErrorMessage (const XERCES_CPP_NAMESPACE::SAXParseException &exception)
 Builds an error message.
 
virtual void myCharacters (int element, const std::string &chars)
 Callback method for characters to implement by derived classes.
 
void callParentEnd (int element)
 signal endElement to the parent handler (special case for MSCalibrator)
 

attributes parsing

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

elements parsing

typedef std::map< std::string, int > TagMap
 
TagMap myTagMap
 
std::vector< std::string > myCharactersVector
 A list of character strings obtained so far to build the complete characters string at the end.
 
GenericSAXHandlermyParentHandler
 The handler to give control back to.
 
int myParentIndicator
 The tag indicating that control should be given back.
 
std::string myFileName
 The name of the currently parsed file.
 
std::string myExpectedRoot
 The root element to expect, empty string disables the check.
 
bool myCollectCharacterData = false
 whether the reader should collect character data
 
bool myRootSeen = false
 whether the reader has already seen the root element
 
int mySection = -1
 The tag indicating the current section to parse.
 
bool mySectionSeen = false
 whether the reader has already seen the begin of the section
 
bool mySectionEnded = false
 whether the reader has already seen the end of the section
 
bool mySectionOpen = false
 whether an element of the current section is open
 
std::pair< int, SUMOSAXAttributes * > myNextSectionStart
 

Detailed Description

Definition at line 29 of file GeneralHandler.h.

Member Typedef Documentation

◆ AttrMap

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

Definition at line 303 of file GenericSAXHandler.h.

◆ TagMap

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

Definition at line 317 of file GenericSAXHandler.h.

Constructor & Destructor Documentation

◆ GeneralHandler() [1/2]

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

Constructor.

Parameters
[in]fileName of the parsed file

Definition at line 35 of file GeneralHandler.cpp.

◆ ~GeneralHandler()

GeneralHandler::~GeneralHandler ( )

Destructor.

Definition at line 40 of file GeneralHandler.cpp.

◆ GeneralHandler() [2/2]

GeneralHandler::GeneralHandler ( const GeneralHandler s)
privatedelete

invalidate copy constructor

Member Function Documentation

◆ beginTag()

virtual void GeneralHandler::beginTag ( SumoXMLTag  tag,
const SUMOSAXAttributes attrs 
)
privatepure virtual

start element

Implemented in GNEGeneralHandler.

Referenced by myStartElement().

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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 205 of file GenericSAXHandler.cpp.

References GenericSAXHandler::getFileName(), and TL.

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

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◆ callParentEnd()

void GenericSAXHandler::callParentEnd ( int  element)
protectedinherited

signal endElement to the parent handler (special case for MSCalibrator)

Definition at line 247 of file GenericSAXHandler.cpp.

References GenericSAXHandler::myEndElement(), and GenericSAXHandler::myParentHandler.

Referenced by MSCalibrator::myEndElement().

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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 186 of file GenericSAXHandler.cpp.

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

◆ 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 86 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 195 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 134 of file GenericSAXHandler.cpp.

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

◆ endTag()

virtual void GeneralHandler::endTag ( )
privatepure virtual

end element

Implemented in GNEGeneralHandler.

Referenced by myEndElement().

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◆ 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 224 of file GenericSAXHandler.cpp.

References GenericSAXHandler::buildErrorMessage().

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

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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 230 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_ITSUMO::Handler, and NIImporter_OpenDrive.

Definition at line 240 of file GenericSAXHandler.cpp.

Referenced by GenericSAXHandler::endElement().

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◆ myEndElement()

void GeneralHandler::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 62 of file GeneralHandler.cpp.

References endTag().

◆ myStartElement()

void GeneralHandler::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 53 of file GeneralHandler.cpp.

References beginTag(), and SUMO_TAG_ROOTFILE.

◆ needsCharacterData()

void GenericSAXHandler::needsCharacterData ( const bool  value = true)
inlineinherited

Definition at line 220 of file GenericSAXHandler.h.

References GenericSAXHandler::myCollectCharacterData.

Referenced by NIImporter_ITSUMO::loadNetwork(), NIImporter_OpenDrive::loadNetwork(), and NIImporter_OpenDrive::myCharacters().

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◆ operator=()

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

invalidate assignment operator

◆ parse()

◆ postParserTasks()

virtual bool GeneralHandler::postParserTasks ( )
privatepure virtual

run post parser tasks

Implemented in GNEGeneralHandler.

Referenced by parse().

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◆ 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 178 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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◆ retrieveNextSectionStart()

std::pair< int, SUMOSAXAttributes * > GenericSAXHandler::retrieveNextSectionStart ( )
inlineinherited

Definition at line 213 of file GenericSAXHandler.h.

References GenericSAXHandler::myNextSectionStart.

Referenced by SUMOSAXReader::parseSection().

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◆ sectionFinished()

bool GenericSAXHandler::sectionFinished ( ) const
inlineinherited

Definition at line 209 of file GenericSAXHandler.h.

References GenericSAXHandler::mySectionEnded.

Referenced by SUMOSAXReader::parseSection().

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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 74 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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◆ setSection()

void GenericSAXHandler::setSection ( const int  element,
const bool  seen 
)
inlineinherited

Definition at line 202 of file GenericSAXHandler.h.

References GenericSAXHandler::mySection, GenericSAXHandler::mySectionEnded, GenericSAXHandler::mySectionOpen, and GenericSAXHandler::mySectionSeen.

Referenced by SUMOSAXReader::parseSection().

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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 99 of file GenericSAXHandler.cpp.

References GenericSAXHandler::convertTag(), FileHelpers::getConfigurationRelative(), GenericSAXHandler::getFileName(), SUMOSAXAttributesImpl_Xerces::getString(), FileHelpers::isAbsolute(), GenericSAXHandler::myCharactersVector, GenericSAXHandler::myExpectedRoot, GenericSAXHandler::myNextSectionStart, GenericSAXHandler::myPredefinedTags, GenericSAXHandler::myPredefinedTagsMML, GenericSAXHandler::myRootSeen, GenericSAXHandler::mySection, GenericSAXHandler::mySectionEnded, GenericSAXHandler::mySectionOpen, GenericSAXHandler::mySectionSeen, GenericSAXHandler::myStartElement(), XMLSubSys::runParser(), SUMO_ATTR_HREF, SUMO_TAG_INCLUDE, TL, StringUtils::transcode(), and WRITE_WARNINGF.

◆ 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 218 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 324 of file GenericSAXHandler.h.

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

◆ myCollectCharacterData

bool GenericSAXHandler::myCollectCharacterData = false
privateinherited

whether the reader should collect character data

Definition at line 339 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::characters(), and GenericSAXHandler::needsCharacterData().

◆ myExpectedRoot

std::string GenericSAXHandler::myExpectedRoot
privateinherited

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

Definition at line 336 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::startElement().

◆ myFileName

std::string GenericSAXHandler::myFileName
privateinherited

The name of the currently parsed file.

Definition at line 333 of file GenericSAXHandler.h.

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

◆ myNextSectionStart

std::pair<int, SUMOSAXAttributes*> GenericSAXHandler::myNextSectionStart
privateinherited

◆ myParentHandler

GenericSAXHandler* GenericSAXHandler::myParentHandler
privateinherited

The handler to give control back to.

Definition at line 327 of file GenericSAXHandler.h.

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

◆ myParentIndicator

int GenericSAXHandler::myParentIndicator
privateinherited

The tag indicating that control should be given back.

Definition at line 330 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 309 of file GenericSAXHandler.h.

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

◆ myRootSeen

bool GenericSAXHandler::myRootSeen = false
privateinherited

whether the reader has already seen the root element

Definition at line 342 of file GenericSAXHandler.h.

Referenced by GenericSAXHandler::startElement().

◆ mySection

int GenericSAXHandler::mySection = -1
privateinherited

The tag indicating the current section to parse.

Definition at line 345 of file GenericSAXHandler.h.

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

◆ mySectionEnded

bool GenericSAXHandler::mySectionEnded = false
privateinherited

whether the reader has already seen the end of the section

Definition at line 351 of file GenericSAXHandler.h.

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

◆ mySectionOpen

bool GenericSAXHandler::mySectionOpen = false
privateinherited

whether an element of the current section is open

Definition at line 354 of file GenericSAXHandler.h.

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

◆ mySectionSeen

bool GenericSAXHandler::mySectionSeen = false
privateinherited

whether the reader has already seen the begin of the section

Definition at line 348 of file GenericSAXHandler.h.

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

◆ myTagMap

TagMap GenericSAXHandler::myTagMap
privateinherited

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