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/*
 * Copyright 2017 David Naramski.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by the
 * European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *      http://joinup.ec.europa.eu/software/page/eupl/licence-eupl
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.nowina.cadmelia.script.evaluator;

import net.nowina.cadmelia.script.Command;
import net.nowina.cadmelia.script.Evaluator;
import net.nowina.cadmelia.script.ScriptContext;
import net.nowina.cadmelia.script.Expression;

public class MaxEvaluator implements Evaluator {

    @Override
    public Object evaluate(Command command, ScriptContext context) {
        Expression exp0 = command.getArg(0);
        double max = exp0.evaluateAsDouble(context);
        for (int i = 1; i < command.getArgCount(); i++) {
            Expression expi = command.getArg(i);
            double value = expi.evaluateAsDouble(context);
            if (value > max) {
                max = value;
            }
        }
        return max;
    }

}