net.sf.saxon.instruct
Class LocationMap

java.lang.Object
  net.sf.saxon.instruct.LocationMap

All Implemented Interfaces:

LocationProvider, java.io.Serializable

public class LocationMap

extends java.lang.Object

implements LocationProvider, java.io.Serializable

A LocationMap allocates integer codes to (systemId, lineNumber) pairs. The integer codes are held inside an Expression object to track the location of the expression in the source code

See Also:

Serialized Form

Constructor Summary

LocationMap()

Method Summary

int	allocateLocationId(java.lang.String module, int lineNumber) Allocate a location identifier to an expression
int	getLineNumber(int locationId) Get the line number corresponding to a locationId
java.lang.String	getSystemId(int locationId) Get the system identifier corresponding to a locationId

Methods inherited from class java.lang.Object

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

Constructor Detail

LocationMap

public LocationMap()

Method Detail

allocateLocationId

public int allocateLocationId(java.lang.String module,
                              int lineNumber)

Allocate a location identifier to an expression

getSystemId

public java.lang.String getSystemId(int locationId)

Get the system identifier corresponding to a locationId

Specified by:

getSystemId in interface LocationProvider

getLineNumber

public int getLineNumber(int locationId)

Get the line number corresponding to a locationId

Specified by:

getLineNumber in interface LocationProvider