org.apache.manifoldcf.scriptengine

Class RewindableTokenStream

java.lang.Object

org.apache.manifoldcf.scriptengine.RewindableTokenStream

All Implemented Interfaces:

TokenStream

public class RewindableTokenStream
extends java.lang.Object
implements TokenStream

Allows a TokenStream to be repeated as long as a sequence start is kept.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	committedSize
protected int	currentIndex
protected java.util.List<Token>	history
protected TokenStream	parent

Constructor Summary

Constructors

Constructor and Description
RewindableTokenStream(TokenStream parent)

Method Summary

Modifier and Type	Method and Description
Token	peek() Examine the current token.
void	reset()
void	skip() Skip the current token.

Methods inherited from class java.lang.Object

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

Field Detail

parent

protected TokenStream parent

history

protected java.util.List<Token> history

currentIndex

protected int currentIndex

committedSize

protected int committedSize

Constructor Detail

RewindableTokenStream

public RewindableTokenStream(TokenStream parent)

Method Detail

peek

public Token peek()
           throws ScriptException

Description copied from interface: TokenStream

Examine the current token.

Specified by:

peek in interface TokenStream

Throws:

ScriptException

skip

public void skip()

Description copied from interface: TokenStream

Skip the current token.

Specified by:

skip in interface TokenStream

reset

public void reset()