xtc.parser
Class CharRange

java.lang.Object
  xtc.tree.Node
      xtc.parser.CharRange

All Implemented Interfaces:

java.lang.Comparable<CharRange>, java.lang.Iterable<java.lang.Object>, Locatable

public class CharRange
extends Node
implements java.lang.Comparable<CharRange>

A character range for a character classs.

Version:

$Revision: 1.10 $

Author:

Robert Grimm

See Also:

CharClass

Field Summary

char	first The first character.
char	last The last character.

Constructor Summary

CharRange(char c)
Create a new single-character range with the specified character.

CharRange(char first, char last)
Create a new character range with the specified characters.

Method Summary

int	compareTo(CharRange other)
boolean	contains(char c) Determine whether this character range contains the specified character.
int	count() Determine the number of characters covered by this character range.
boolean	equals(java.lang.Object o)
int	hashCode()

Methods inherited from class xtc.tree.Node

add, add, addAll, addAll, addAll, addAll, addAllTo, addNode, contains, get, getBoolean, getBooleanProperty, getGeneric, getList, getLocation, getName, getNode, getProperty, getString, getStringProperty, getTokenText, hasLocation, hasName, hasProperty, hasTraversal, hasVariable, indexOf, isAnnotation, isEmpty, isGeneric, isList, isToken, iterator, lastIndexOf, properties, remove, removeProperty, set, setLocation, setLocation, setProperty, size, strip, toAnnotation, toList, toString, toToken, write

Methods inherited from class java.lang.Object

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

Field Detail

first

public final char first

The first character.

last

public final char last

The last character.

Constructor Detail

CharRange

public CharRange(char c)

Create a new single-character range with the specified character.

Parameters:

c - The character.

CharRange

public CharRange(char first,
                 char last)

Create a new character range with the specified characters.

Parameters:

first - The first character.

last - The last character.

Method Detail

count

public int count()

Determine the number of characters covered by this character range.

Returns:

The number of characters for this character range.

contains

public boolean contains(char c)

Determine whether this character range contains the specified character.

Parameters:

c - The character.

Returns:

true if this character range contains the specified character.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

compareTo

public int compareTo(CharRange other)

Specified by:

compareTo in interface java.lang.Comparable<CharRange>