gi
Class Lexicon.UnicodeCategory

java.lang.Object
  gi.Lexicon.Expression
      gi.Lexicon.Alphabet
          gi.Lexicon.UnicodeCategory

Enclosing class:

Lexicon

protected static class Lexicon.UnicodeCategory

extends Lexicon.Alphabet

This class implements an Alphabet containing the characters in a Unicode general category.

Version:

1.2

Author:

© 1999-2004 Craig A. Rich <carich@csupomona.edu>

Field Summary

private byte

category The byte representing the Unicode general category.

Fields inherited from class gi.Lexicon.Expression

f, i

Constructor Summary

Lexicon.UnicodeCategory(byte category)
Constructs an Alphabet containing the characters in a Unicode general category, and builds the NFA constructed from this Expression.

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

category

private final byte category

The byte representing the Unicode general category.

Constructor Detail

Lexicon.UnicodeCategory

public Lexicon.UnicodeCategory(byte category)

Constructs an Alphabet containing the characters in a Unicode general category, and builds the NFA constructed from this Expression. The class Character defines byte constants representing each of the Unicode general categories.

Parameters:

category - The byte representing the Unicode general category.

See Also:

Character

Method Detail

contains

boolean contains(char a)

Indicates whether a character occurs in this Alphabet.

Specified by:

contains in class Lexicon.Alphabet

Parameters:

a - the character whose status is requested.

Returns:

true if a occurs in this Alphabet; false otherwise.

copy

Lexicon.Expression copy()

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

Specified by:

copy in class Lexicon.Expression

Returns:

a copy of this Alphabet.