Package jpicedt.format.input.util

Class AlternateExpression

java.lang.Object

jpicedt.format.input.util.AbstractRegularExpression

jpicedt.format.input.util.AlternateExpression

All Implemented Interfaces:

ExpressionConstants

Direct Known Subclasses:

EepicLineThicknessExpression, EndPsPictureExpression, PicBezierExpression, PicColorExpression, PicGroupExpression, RootExpression, UserDefinedColorExpression

public class AlternateExpression
extends AbstractRegularExpression

A regular expression that mimics the "x|y" RegExp syntax.

Since:

jpicedt 1.3

Version:

$Id: AlternateExpression.java,v 1.4.2.1 2007/09/02 11:56:13 reynal Exp $

Author:

Sylvain Reynal

Field Summary

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

Constructor Summary

Constructors

Constructor	Description
AlternateExpression()	Creates a new AlternateExpression with no element
AlternateExpression(AbstractRegularExpression expr)	Creates a new AlternateExpression with the given expr as first element
AlternateExpression(AbstractRegularExpression expr1, AbstractRegularExpression expr2)	Creates a new AlternateExpression with the given expr as first and second element
AlternateExpression(AbstractRegularExpression expr1, AbstractRegularExpression expr2, AbstractRegularExpression expr3)	Creates a new AlternateExpression with the given expr as first, second and third element

Method Summary

Modifier and Type	Method	Description
void	add(AbstractRegularExpression expr)	Add a new child to this AlternateExpression.
java.util.ArrayList	getExpressionList()	Return a list containing every expression in this AlternateExpression
boolean	interpret(Context c)	Calls "action" with value=Integer(index of first expression parsed with success, starting from 0).
java.lang.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

AlternateExpression

public AlternateExpression(AbstractRegularExpression expr)

Creates a new AlternateExpression with the given expr as first element

AlternateExpression

public AlternateExpression(AbstractRegularExpression expr1,
                           AbstractRegularExpression expr2)

Creates a new AlternateExpression with the given expr as first and second element

AlternateExpression

public AlternateExpression(AbstractRegularExpression expr1,
                           AbstractRegularExpression expr2,
                           AbstractRegularExpression expr3)

Creates a new AlternateExpression with the given expr as first, second and third element

AlternateExpression

public AlternateExpression()

Creates a new AlternateExpression with no element

Method Detail

add

public void add(AbstractRegularExpression expr)

Add a new child to this AlternateExpression.

interpret

public boolean interpret(Context c)
                  throws REParserException

Calls "action" with value=Integer(index of first expression parsed with success, starting from 0).

Specified by:

interpret in class AbstractRegularExpression

Returns:

TRUE as soon as one of the expressions contained in this AlternateExpression has been found ; FALSE if no match.

Throws:

REParserException - if an error occur during parsing

getExpressionList

public java.util.ArrayList getExpressionList()

Return a list containing every expression in this AlternateExpression

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object