/*******************************************************************************
* Copyright (c) 2006 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.bpel.xpath10;
/**
* A unary expression.
*
* @author Michal Chmielewski (michal.chmielewski@oracle.com)
* @date Aug 26, 2008
*
*/
@SuppressWarnings("nls")
public class UnaryExpr extends Expr {
Expr fExpr;
String fOparand;
/**
* Brand new shiny unary expression
* @param expr
*/
public UnaryExpr (Expr expr) {
super(expr.toString());
fExpr = expr;
}
/**
* @return the RHS of the unary expression.
*/
public Expr getExpr () {
return fExpr;
}
/**
* Set the operand of the unary expression.
*
* @param operand the operand
*/
public void setOperand (String operand)
{
fOparand = operand;
}
@Override
protected String asText()
{
StringBuilder sb = new StringBuilder();
if (fOparand != null) {
sb.append(fOparand);
}
if (fExpr != null) {
sb.append(fExpr.asText());
}
return sb.toString();
}
@Override
protected String asString () {
StringBuilder sb = new StringBuilder();
if (fOparand != null) {
sb.append(fOparand);
sb.append(",");
}
if (fExpr != null) {
sb.append(fExpr);
}
return sb.toString();
}
/**
* @see org.eclipse.bpel.xpath10.Expr#isWrapParen()
*/
@Override
public boolean isWrapParen () {
return fExpr != null ? fExpr.isWrapParen() : false;
}
/**
* @see org.eclipse.bpel.xpath10.Expr#getPosition()
*/
@Override
public int getPosition () {
return fExpr != null ? fExpr.getPosition() : -1;
}
/**
* @see org.eclipse.bpel.xpath10.Expr#getEndPosition()
*/
@Override
public int getEndPosition () {
return fExpr != null ? fExpr.getEndPosition() : -1;
}
}