gi
Class Lexicon.NonMatch

java.lang.Object
  gi.Lexicon.Expression
      gi.Lexicon.Alphabet
          gi.Lexicon.Match
              gi.Lexicon.NonMatch

All Implemented Interfaces:

Cloneable

Enclosing class:

Lexicon

protected static class Lexicon.NonMatch
extends Lexicon.Match

This class implements an Alphabet containing all except some characters.

Version:

1.3

Author:

© 1999-2009 Craig A. Rich <carich@csupomona.edu>

Field Summary

Fields inherited from class gi.Lexicon.Match

A

Fields inherited from class gi.Lexicon.Expression

f, i

Constructor Summary

Lexicon.NonMatch(char a)
Constructs an Alphabet containing all characters except one, and builds the NFA constructed from this Expression.

Lexicon.NonMatch(Object A)
Constructs an Alphabet containing all characters except some, and builds the NFA constructed from this Expression.

Method Summary

Object	clone() Creates a clone of this Alphabet, and replicates the NFA constructed from this Expression.
(package private) boolean	contains(char a) Indicates whether a character occurs in this Alphabet.

Methods inherited from class java.lang.Object

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

Constructor Detail

Lexicon.NonMatch

public Lexicon.NonMatch(char a)

Constructs an Alphabet containing all characters except one, and builds the NFA constructed from this Expression.

Parameters:

a - the character not in this Alphabet.

Lexicon.NonMatch

public Lexicon.NonMatch(Object A)

Constructs an Alphabet containing all characters except some, and builds the NFA constructed from this Expression.

Parameters:

A - the Character or String of characters not in this Alphabet.

Method Detail

contains

boolean contains(char a)

Indicates whether a character occurs in this Alphabet.

Overrides:

contains in class Lexicon.Match

Parameters:

a - the character whose status is requested.

Returns:

true if a occurs in this Alphabet; false otherwise.

clone

public Object clone()

Creates a clone of this Alphabet, and replicates the NFA constructed from this Expression.

Overrides:

clone in class Lexicon.Match

Returns:

a clone of this Alphabet.