javatools.parsers

Class RegularExpression.RegExState

java.lang.Object

javatools.parsers.RegularExpression.RegExState

All Implemented Interfaces:

Comparable<RegularExpression.RegExState>

Enclosing class:

RegularExpression

public static class RegularExpression.RegExState
extends Object
implements Comparable<RegularExpression.RegExState>

Represents one position in a regular expression

Field Summary

Fields

Modifier and Type	Field and Description
int	id Id for toString
static int	idcounter Counts all RegExStates to have an id for each (for toString)
List<RegularExpression.RegExState>	successors Holds all positions that can follow from here
String	token Holds the token name at the current position

Constructor Summary

Constructors

Constructor and Description
RegExState(String token) Constructs a RegExChunk with a token

Method Summary

Modifier and Type	Method and Description
void	addSuccessor(RegularExpression.RegExState s) Adds one successor
void	addSuccessors(Collection<RegularExpression.RegExState> s) Adds multiple successors
int	compareTo(RegularExpression.RegExState o)
String	describe() Returns a nice description string
protected void	describe(StringBuilder b, Collection<RegularExpression.RegExState> done) Helper method for describe()
boolean	equals(Object o)
List<RegularExpression.RegExState>	getSuccessors() Returns the successors
String	getToken() Returns the token
int	hashCode()
void	setToken(String t) Changes the token
String	toString() Returns the id and the token

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

idcounter

public static int idcounter

Counts all RegExStates to have an id for each (for toString)

id

public final int id

Id for toString

successors

public List<RegularExpression.RegExState> successors

Holds all positions that can follow from here

token

public String token

Holds the token name at the current position

Constructor Detail

RegExState

public RegExState(String token)

Constructs a RegExChunk with a token

Method Detail

setToken

public void setToken(String t)

Changes the token

addSuccessor

public void addSuccessor(RegularExpression.RegExState s)

Adds one successor

addSuccessors

public void addSuccessors(Collection<RegularExpression.RegExState> s)

Adds multiple successors

getToken

public String getToken()

Returns the token

getSuccessors

public List<RegularExpression.RegExState> getSuccessors()

Returns the successors

toString

public String toString()

Returns the id and the token

Overrides:

toString in class Object

describe

public String describe()

Returns a nice description string

describe

protected void describe(StringBuilder b,
                        Collection<RegularExpression.RegExState> done)

Helper method for describe()

compareTo

public int compareTo(RegularExpression.RegExState o)

Specified by:

compareTo in interface Comparable<RegularExpression.RegExState>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object