Class ElementId

java.lang.Object

com.ctc.wstx.util.ElementId

public final class ElementId
extends Object

Simple container Object used to store information about id attribute values, and references to such (as of yet undefined) values.

Instances can be in one of 2 modes: either in fully defined mode, in which case information refers to location where value was defined (ie. we had id as a value of ID type attribute); or in undefined mode, in which case information refers to the first reference.

Note: this class is designed to be used with ElementIdMap, and as a result has some information specifically needed by the map implementation (such as collision links).

Field Summary

Fields

Modifier and Type	Field	Description
private PrefixedName	mAttrName	Name of the attribute that contains this id value (often "id", but need not be)
private boolean	mDefined	Flag that indicates whether this Object presents a defined id value (value of an ID attribute) or just a reference to one.
private PrefixedName	mElemName	Name of element for which this id refers.
private final String	mIdValue	Actual id value
private Location	mLocation	Location of either definition (if mDefined is true; or first reference (otherwise).
private ElementId	mNextColl	Pointer to the next element within collision chain.
private ElementId	mNextUndefined

Constructor Summary

Constructors

Constructor	Description
ElementId(String id, Location loc, boolean defined, PrefixedName elemName, PrefixedName attrName)

Method Summary

Modifier and Type	Method	Description
PrefixedName	getAttrName()
PrefixedName	getElemName()
String	getId()
Location	getLocation()
boolean	idMatches(char[] buf, int start, int len)
boolean	idMatches(String idStr)
boolean	isDefined()
protected void	linkUndefined(ElementId undefined)
void	markDefined(Location defLoc)
ElementId	nextColliding()
ElementId	nextUndefined()
protected void	setNextColliding(ElementId nextColl)
String	toString()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

mDefined

private boolean mDefined

Flag that indicates whether this Object presents a defined id value (value of an ID attribute) or just a reference to one.

mIdValue

private final String mIdValue

Actual id value

mLocation

private Location mLocation

Location of either definition (if mDefined is true; or first reference (otherwise). Used when reporting errors; either a referenced id has not been defined, or there are multiple definitions of same id.

mElemName

private PrefixedName mElemName

Name of element for which this id refers.

mAttrName

private PrefixedName mAttrName

Name of the attribute that contains this id value (often "id", but need not be)

mNextUndefined

private ElementId mNextUndefined

mNextColl

private ElementId mNextColl

Pointer to the next element within collision chain.

Constructor Details

ElementId

ElementId(String id,
 Location loc,
 boolean defined,
 PrefixedName elemName,
 PrefixedName attrName)

Method Details

linkUndefined

protected void linkUndefined(ElementId undefined)

setNextColliding

protected void setNextColliding(ElementId nextColl)

getId

public String getId()

getLocation

public Location getLocation()

getElemName

public PrefixedName getElemName()

getAttrName

public PrefixedName getAttrName()

isDefined

public boolean isDefined()

idMatches

public boolean idMatches(char[] buf,
 int start,
 int len)

idMatches

public boolean idMatches(String idStr)

nextUndefined

public ElementId nextUndefined()

nextColliding

public ElementId nextColliding()

markDefined

public void markDefined(Location defLoc)

toString

public String toString()

Overrides:

toString in class Object