/*
 * Copyright 2013 Hewlett-Packard Development Company, L.P
 *
 * Licensed 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.
 */

package com.hp.alm.ali.idea.translate.expr;

public class ExpressionBuilder {

    public static String build(Node node) {
        switch (node.type) {
            case VALUE:
                return node.value;

            case AND:
            case OR:
                return "(" + build(node.left) + " " + node.type.getRepr() + " " + build(node.right) + ")";

            case NOT:
            case GT:
            case GTE:
            case LT:
            case LTE:
            case DIFFERS:
            case EQ:
                return node.type.getRepr() + " " + build(node.left);
        }

        throw new IllegalStateException("Unexpected node type: "+node.type.name());
    }
}