jpicedt.format.input.util
Class OptionalExpression
java.lang.Object
jpicedt.format.input.util.AbstractRegularExpression
jpicedt.format.input.util.OptionalExpression
- All Implemented Interfaces:
- ExpressionConstants
- public class OptionalExpression
- extends AbstractRegularExpression
an expression that represents a pattern repeating at most once
- Since:
- jpicedt 1.3
- Version:
- $Id: OptionalExpression.java,v 1.4.2.1 2007/09/02 11:56:14 reynal Exp $
- Author:
- Sylvain Reynal
Fields inherited from interface jpicedt.format.input.util.ExpressionConstants |
ANY_CHAR, ANY_CHAR_EOL, ANY_SIGN, AT_LEAST, AT_MOST, DEBUG, DOUBLE, EOL, EXACTLY, INTEGER, NEGATIVE, NON_NULL, POSITIVE, STRICTLY_NEGATIVE, STRICTLY_POSITIVE, WHITE_SPACES, WHITE_SPACES_OR_EOL |
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()
|
OptionalExpression
public OptionalExpression(AbstractRegularExpression expr)
- the expression to be matched (yet optionally)
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()
Submit a bug : syd@jpicedt.org