java.util.regex
Class Pattern.Branch

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

Enclosing class:

Pattern

static final class Pattern.Branch

extends Pattern.Node

Handles the branching of alternations. Note this is also used for the ? quantifier to branch between the case where it matches once and where it does not occur.

Field Summary

(package private) Pattern.Node	next
(package private) Pattern.Node	prev

Constructor Summary

(package private)

Pattern.Branch(Pattern.Node lhs, Pattern.Node rhs)

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

prev

Pattern.Node prev

next

Pattern.Node next

Constructor Detail

Pattern.Branch

Pattern.Branch(Pattern.Node lhs,
               Pattern.Node rhs)

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)