jpicedt.format.input.util
Class OptionalExpression

java.lang.Object
  jpicedt.format.input.util.AbstractRegularExpression
      jpicedt.format.input.util.OptionalExpression

public class OptionalExpression
extends AbstractRegularExpression

an expression that represents a pattern repeating at most once

Since:

jpicedt 1.3

Version:

$Id: OptionalExpression.java,v 1.7 2013/03/31 06:59:14 vincentb1 Exp $

Author:

Sylvain Reynal

Constructor Summary

OptionalExpression(AbstractRegularExpression expr)
the expression to be matched (yet optionally)

Method Summary

boolean	interpret(Context c) Parses this expression, possibly using the given Context to fetch the String to interpret if this Expression is a leaf expression.
String	toString()

Methods inherited from class jpicedt.format.input.util.AbstractRegularExpression

action

Methods inherited from class java.lang.Object

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

Constructor Detail

OptionalExpression

public OptionalExpression(AbstractRegularExpression expr)

the expression to be matched (yet optionally)

Method Detail

interpret

public boolean interpret(Context c)
                  throws REParserException

Description copied from class: AbstractRegularExpression

Parses this expression, possibly using the given Context to fetch the String to interpret if this Expression is a leaf expression.

Specified by:

interpret in class AbstractRegularExpression

Returns:

TRUE in any case since this expression is... optional !

Throws:

REParserException - if an error occur during parsing

toString

public String toString()

Overrides:

toString in class Object