Package redempt.redlex.token

Class OptionalToken

java.lang.Object

redempt.redlex.data.TokenType

redempt.redlex.token.OptionalToken

All Implemented Interfaces:

ParentToken

public class OptionalToken
extends TokenType
implements ParentToken

Constructor Summary

Constructors

Constructor	Description
OptionalToken(String name, TokenType token)

Method Summary

Modifier and Type	Method	Description
boolean	characterMatches(String input, int pos, int offset)
Token	findForward(String str, int pos, LexContext ctx)
TokenType[]	getChildren()
boolean	lengthMatches(int length)
int	maxLength()
int	minLength()
void	setChildren(TokenType[] children)

Methods inherited from class redempt.redlex.data.TokenType

getLexer, getMessage, getName, nameMatches, replacePlaceholders, setLexer, setName, toString, walk

Methods inherited from class java.lang.Object

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

Constructor Details

OptionalToken

public OptionalToken(String name,
 TokenType token)

Method Details

characterMatches

public boolean characterMatches(String input,
 int pos,
 int offset)

Specified by:

characterMatches in class TokenType

lengthMatches

public boolean lengthMatches(int length)

Specified by:

lengthMatches in class TokenType

minLength

public int minLength()

Specified by:

minLength in class TokenType

maxLength

public int maxLength()

Specified by:

maxLength in class TokenType

findForward

public Token findForward(String str,
 int pos,
 LexContext ctx)

Overrides:

findForward in class TokenType

getChildren

public TokenType[] getChildren()

Specified by:

getChildren in interface ParentToken

setChildren

public void setChildren(TokenType[] children)

Specified by:

setChildren in interface ParentToken