kmy.regex.tree
Class RLookAheadNode

java.lang.Object
  |
  +--kmy.regex.tree.RNode
        |
        +--kmy.regex.tree.RLookAheadNode

public class RLookAheadNode

extends RNode

Field Summary

RNode	body
boolean	positive

Fields inherited from class kmy.regex.tree.RNode

maxLeft, maxLength, minLeft, minLength, position, prefix, tail

Constructor Summary

RLookAheadNode(int pos, RNode body, boolean positive)

Method Summary

void	collectReferences(java.util.Dictionary refList, java.util.Dictionary pickList)
java.lang.Object	eval(RContext context)
CharSet	findPrefix(CharSet tailPrefix)
int	getNCells() Number of variables to be used by this regex.
boolean	hasForks()
boolean	hasPicks()
boolean	isStartAnchored()
RNode	markReferenced(java.util.Dictionary refList, java.util.Dictionary pickList, boolean collapse)
void	prepare(int addMaxLeft, int addMinLeft)
void	toLowerCase()

Methods inherited from class kmy.regex.tree.RNode

finishPrepare, isEndAnchored, maxTotalLength, minTotalLength, toString

Methods inherited from class java.lang.Object

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

Field Detail

body

public RNode body

positive

public boolean positive

Constructor Detail

RLookAheadNode

public RLookAheadNode(int pos,
                      RNode body,
                      boolean positive)

Method Detail

getNCells

public int getNCells()

Description copied from class: RNode

Number of variables to be used by this regex. This should be upper bound, but, of cource, it should be as close as possible to what RCompiler will generate.

Overrides:

getNCells in class RNode

prepare

public void prepare(int addMaxLeft,
                    int addMinLeft)

Overrides:

prepare in class RNode

findPrefix

public CharSet findPrefix(CharSet tailPrefix)

Overrides:

findPrefix in class RNode

isStartAnchored

public boolean isStartAnchored()

Overrides:

isStartAnchored in class RNode

hasPicks

public boolean hasPicks()

Overrides:

hasPicks in class RNode

toLowerCase

public void toLowerCase()

Overrides:

toLowerCase in class RNode

hasForks

public boolean hasForks()

Overrides:

hasForks in class RNode

collectReferences

public void collectReferences(java.util.Dictionary refList,
                              java.util.Dictionary pickList)

Overrides:

collectReferences in class RNode

markReferenced

public RNode markReferenced(java.util.Dictionary refList,
                            java.util.Dictionary pickList,
                            boolean collapse)

Overrides:

markReferenced in class RNode

eval

public java.lang.Object eval(RContext context)

Overrides:

eval in class RNode