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PCLoaderOSM::RelationsHandler Class Reference

A class which extracts relevant way-ids from relations in a parsed OSM-file. More...

#include <PCLoaderOSM.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.
const std::string & getFileName () const
 returns the current file name
void registerParent (const int tag, GenericSAXHandler *handler)
 Assigning a parent handler which is enabled when the specified tag is closed.
 RelationsHandler (RelationsMap &additionalWays, Relations &relations, std::set< long long int > &innerEdges, bool withAttributes, MsgHandler &errorHandler)
 Constructor.
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.
 ~RelationsHandler ()
 Destructor.

inherited from GenericSAXHandler

RelationsMap & myAdditionalWays
 additional ways which are reference by relations
Relations & myRelations
 the loaded relations
std::set< long long int > & myInnerEdges
 the loaded edges
bool myWithAttributes
 Whether all attributes shall be stored.
MsgHandler & myErrorHandler
 The handler to report errors to (will be the WarningsHandler if –ignore-errors was set).
PCOSMRelation * myCurrentRelation
 The currently parsed relation.
std::vector< long long int > myCurrentWays
 the ways within the current relation
std::vector< long long int > myParentElements
 Current path in order to know to what occuring values belong.
bool myKeep
 whether the last edge (way) should be kept because it had a key from the inclusion list
void myStartElement (int element, const SUMOSAXAttributes &attrs)
 Called on the opening of a tag;.
void myEndElement (int element)
 Called when a closing tag occurs.
 RelationsHandler (const RelationsHandler &s)
 Invalidated copy constructor.
RelationsHandler & operator= (const RelationsHandler &s)
 Invalidated assignment operator.

attributes parsing

AttrMap myPredefinedTags
std::vector< std::string > myPredefinedTagsMML
 the map from ids to their string representation
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.
GenericSAXHandler * myParentHandler
 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
typedef std::map< std::string, int > TagMap

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)
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)
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.

Detailed Description

A class which extracts relevant way-ids from relations in a parsed OSM-file.

Definition at line 213 of file PCLoaderOSM.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

◆ RelationsHandler() [1/2]

PCLoaderOSM::RelationsHandler::RelationsHandler ( RelationsMap & additionalWays,
Relations & relations,
std::set< long long int > & innerEdges,
bool withAttributes,
MsgHandler & errorHandler )

Constructor.

Parameters
[in]osmNodesThe previously parsed (osm-)nodes
[in]toFillThe edges container to fill with read edges
[in]withAttributesWhether all attributes shall be stored
[in]errorHandlerThe handler to report errors to (WarningHandler for ignoring errors)

Definition at line 442 of file PCLoaderOSM.cpp.

References myAdditionalWays, myCurrentRelation, myErrorHandler, myInnerEdges, myRelations, myWithAttributes, and SUMOSAXHandler::SUMOSAXHandler().

Referenced by operator=(), and RelationsHandler().

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◆ ~RelationsHandler()

PCLoaderOSM::RelationsHandler::~RelationsHandler ( )

Destructor.

Definition at line 457 of file PCLoaderOSM.cpp.

◆ RelationsHandler() [2/2]

PCLoaderOSM::RelationsHandler::RelationsHandler ( const RelationsHandler & s)
private

Invalidated copy constructor.

References RelationsHandler().

Member Function Documentation

◆ 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 getFileName(), and TL.

Referenced by error(), fatalError(), and 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 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 myCharactersVector, 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().

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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 myTagMap, and SUMO_TAG_NOTHING.

Referenced by endElement(), and 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 convertTag(), myCharacters(), myCharactersVector, myEndElement(), myParentHandler, myParentIndicator, mySection, mySectionOpen, 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 224 of file GenericSAXHandler.cpp.

References 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 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 endElement().

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◆ myEndElement()

void PCLoaderOSM::RelationsHandler::myEndElement ( int element)
protectedvirtual

Called when a closing tag occurs.

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

Reimplemented from GenericSAXHandler.

Definition at line 524 of file PCLoaderOSM.cpp.

References myCurrentRelation, myCurrentWays, myParentElements, and SUMO_TAG_RELATION.

◆ myStartElement()

void PCLoaderOSM::RelationsHandler::myStartElement ( int element,
const SUMOSAXAttributes & attrs )
protectedvirtual

◆ needsCharacterData()

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

Definition at line 220 of file GenericSAXHandler.h.

References invalid_return< std::string >::value, and myCollectCharacterData.

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

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◆ operator=()

RelationsHandler & PCLoaderOSM::RelationsHandler::operator= ( const RelationsHandler & s)
private

Invalidated assignment operator.

References RelationsHandler().

◆ 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, 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 myNextSectionStart.

◆ sectionFinished()

bool GenericSAXHandler::sectionFinished ( ) const
inlineinherited

Definition at line 209 of file GenericSAXHandler.h.

References mySectionEnded.

◆ 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 myFileName.

Referenced by NIImporter_SUMO::_loadNetwork(), MSStateHandler::MSStateTimeHandler::getTime(), GUISettingsHandler::GUISettingsHandler(), NIImporter_OpenStreetMap::load(), NIImporter_Vissim::load(), NITypeLoader::load(), PCNetProjectionLoader::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 mySection, mySectionEnded, mySectionOpen, and mySectionSeen.

◆ 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 convertTag(), FileHelpers::getConfigurationRelative(), getFileName(), SUMOSAXAttributesImpl_Xerces::getString(), FileHelpers::isAbsolute(), myCharactersVector, myExpectedRoot, myNextSectionStart, myPredefinedTags, myPredefinedTagsMML, myRootSeen, mySection, mySectionEnded, mySectionOpen, mySectionSeen, 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 buildErrorMessage(), and WRITE_WARNING.

Field Documentation

◆ myAdditionalWays

RelationsMap& PCLoaderOSM::RelationsHandler::myAdditionalWays
private

additional ways which are reference by relations

Definition at line 259 of file PCLoaderOSM.h.

Referenced by myStartElement(), and RelationsHandler().

◆ 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 characters(), endElement(), and startElement().

◆ myCollectCharacterData

bool GenericSAXHandler::myCollectCharacterData = false
privateinherited

whether the reader should collect character data

Definition at line 339 of file GenericSAXHandler.h.

Referenced by characters(), and needsCharacterData().

◆ myCurrentRelation

PCOSMRelation* PCLoaderOSM::RelationsHandler::myCurrentRelation
private

The currently parsed relation.

Definition at line 274 of file PCLoaderOSM.h.

Referenced by myEndElement(), myStartElement(), and RelationsHandler().

◆ myCurrentWays

std::vector<long long int> PCLoaderOSM::RelationsHandler::myCurrentWays
private

the ways within the current relation

Definition at line 277 of file PCLoaderOSM.h.

Referenced by myEndElement(), and myStartElement().

◆ myErrorHandler

MsgHandler& PCLoaderOSM::RelationsHandler::myErrorHandler
private

The handler to report errors to (will be the WarningsHandler if –ignore-errors was set).

Definition at line 271 of file PCLoaderOSM.h.

Referenced by myStartElement(), and RelationsHandler().

◆ 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(), and 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 setFileName().

◆ myInnerEdges

std::set<long long int>& PCLoaderOSM::RelationsHandler::myInnerEdges
private

the loaded edges

Definition at line 265 of file PCLoaderOSM.h.

Referenced by myStartElement(), and RelationsHandler().

◆ myKeep

bool PCLoaderOSM::RelationsHandler::myKeep
private

whether the last edge (way) should be kept because it had a key from the inclusion list

Definition at line 283 of file PCLoaderOSM.h.

◆ myNextSectionStart

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

◆ myParentElements

std::vector<long long int> PCLoaderOSM::RelationsHandler::myParentElements
private

Current path in order to know to what occuring values belong.

Definition at line 280 of file PCLoaderOSM.h.

Referenced by myEndElement(), and myStartElement().

◆ myParentHandler

GenericSAXHandler* GenericSAXHandler::myParentHandler
privateinherited

The handler to give control back to.

Definition at line 327 of file GenericSAXHandler.h.

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

◆ myPredefinedTags

AttrMap GenericSAXHandler::myPredefinedTags
privateinherited

Definition at line 306 of file GenericSAXHandler.h.

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

◆ 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(), and startElement().

◆ myRelations

Relations& PCLoaderOSM::RelationsHandler::myRelations
private

the loaded relations

Definition at line 262 of file PCLoaderOSM.h.

Referenced by myStartElement(), and RelationsHandler().

◆ 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 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 endElement(), setSection(), and 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 sectionFinished(), setSection(), and 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 endElement(), setSection(), and 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 setSection(), and startElement().

◆ myTagMap

TagMap GenericSAXHandler::myTagMap
privateinherited

Definition at line 320 of file GenericSAXHandler.h.

Referenced by convertTag(), and GenericSAXHandler().

◆ myWithAttributes

bool PCLoaderOSM::RelationsHandler::myWithAttributes
private

Whether all attributes shall be stored.

Definition at line 268 of file PCLoaderOSM.h.

Referenced by RelationsHandler().


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