java.util.regex
Class Pattern.Ques

java.lang.Object
  java.util.regex.Pattern.Node
      java.util.regex.Pattern.Ques

Enclosing class:

Pattern

static final class Pattern.Ques

extends Pattern.Node

The 0 or 1 quantifier. This one class implements all three types.

Field Summary

(package private) Pattern.Node	atom
(package private) Pattern.Node	next
(package private) int	type

Constructor Summary

(package private)

Pattern.Ques(Pattern.Node node, int type)

Method Summary

(package private) Pattern.Node	dup(boolean not)
(package private) boolean	match(Matcher matcher, int i, CharSequence seq) This method implements the classic accept node.
(package private) boolean	study(Pattern.TreeInfo info) This method is good for all zero length assertions.

Methods inherited from class java.lang.Object

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

Field Detail

atom

Pattern.Node atom

type

int type

next

Pattern.Node next

Constructor Detail

Pattern.Ques

Pattern.Ques(Pattern.Node node,
             int type)

Method Detail

match

boolean match(Matcher matcher,
              int i,
              CharSequence seq)

Description copied from class: Pattern.Node

This method implements the classic accept node.

Overrides:

match in class Pattern.Node

study

boolean study(Pattern.TreeInfo info)

Description copied from class: Pattern.Node

This method is good for all zero length assertions.

Overrides:

study in class Pattern.Node

dup

Pattern.Node dup(boolean not)