/**
* eAdventure (formerly <e-Adventure> and <e-Game>) is a research project of the
* <e-UCM> research group.
*
* Copyright 2005-2010 <e-UCM> research group.
*
* You can access a list of all the contributors to eAdventure at:
* http://e-adventure.e-ucm.es/contributors
*
* <e-UCM> is a research group of the Department of Software Engineering
* and Artificial Intelligence at the Complutense University of Madrid
* (School of Computer Science).
*
* C Profesor Jose Garcia Santesmases sn,
* 28040 Madrid (Madrid), Spain.
*
* For more info please visit: <http://e-adventure.e-ucm.es> or
* <http://www.e-ucm.es>
*
* ****************************************************************************
*
* This file is part of eAdventure, version 2.0
*
* eAdventure is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* eAdventure is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with eAdventure. If not, see <http://www.gnu.org/licenses/>.
*/
package es.eucm.ead.writer.model.writers.simplifiers.elements;
import es.eucm.ead.model.elements.operations.MathOp;
import es.eucm.ead.model.elements.operations.Operation;
import es.eucm.ead.model.elements.operations.ValueOp;
import es.eucm.ead.tools.MathEvaluator;
import es.eucm.ead.writer.model.writers.simplifiers.ObjectSimplifier;
public class OperationsSimplifier implements ObjectSimplifier<Operation> {
/**
* MathEvaluator to help simplify MathOp with no values
*/
private MathEvaluator mathEvaluator;
public OperationsSimplifier() {
mathEvaluator = new MathEvaluator();
}
public Object simplify(Operation operation) {
// If it is math expression with no operands, simplify to a ValueOp
if (operation instanceof MathOp
&& !((MathOp) operation).getExpression().contains("[")) {
String expression = ((MathOp) operation).getExpression();
mathEvaluator.setExpression(expression, null, null);
Float value = mathEvaluator.getValue();
operation = new ValueOp(
((MathOp) operation).isResultAsInteger() ? value.intValue()
: value);
}
return operation;
}
@Override
public void clear() {
// Do nothing
}
}