sparksoniq.jsoniq.compiler.translator.expr.operational.UnaryExpression Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 *
 * Authors: Stefan Irimescu, Can Berker Cikis
 *
 */

package sparksoniq.jsoniq.compiler.translator.expr.operational;

import sparksoniq.jsoniq.compiler.translator.expr.operational.base.UnaryExpressionBase;
import sparksoniq.jsoniq.compiler.translator.expr.postfix.PostFixExpression;
import sparksoniq.jsoniq.compiler.translator.metadata.ExpressionMetadata;
import sparksoniq.semantics.visitor.AbstractExpressionOrClauseVisitor;

import java.util.Arrays;
import java.util.List;


public class UnaryExpression extends UnaryExpressionBase {

    public static final Operator[] operators = new Operator[]{Operator.PLUS, Operator.MINUS};
    private PostFixExpression _postfixExpression;

    public UnaryExpression(PostFixExpression _mainExpression, ExpressionMetadata metadata) {
        super(_mainExpression, metadata);
        this._postfixExpression = _mainExpression;
        this._isActive = false;
    }

    public UnaryExpression(PostFixExpression _mainExpression, List ops, ExpressionMetadata metadata) {
        super(_mainExpression, ops, ops != null && !ops.isEmpty(), metadata);
        this.validateOperators(Arrays.asList(operators), ops);
        this._postfixExpression = _mainExpression;
    }

    public PostFixExpression get_postfixExpression() {
        return _postfixExpression;
    }

    @Override
    public boolean isActive() {
        return this._isActive;
    }

    @Override
    public  T accept(AbstractExpressionOrClauseVisitor visitor, T argument) {
        return visitor.visitUnaryExpr(this, argument);
    }

    @Override
    public String serializationString(boolean prefix) {
        String result = "(unaryExpr ";
        if (this._multipleOperators != null && this._multipleOperators.size() > 0) {
            for (Operator op : this._multipleOperators)
                result += getStringFromOperator(op) + " ";
        }
        result += _mainExpression.serializationString(true);
        result += ")";
        return result;
    }
}