001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements. See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership. The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the  "License");
007     * you may not use this file except in compliance with the License.
008     * You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    /*
019     * $Id: Operators.java 468652 2006-10-28 07:05:17Z minchau $
020     */
021    
022    package org.apache.xalan.xsltc.runtime;
023    
024    /**
025     * @author Jacek Ambroziak
026     * @author Santiago Pericas-Geertsen
027     */
028    public final class Operators {
029        public static final int EQ = 0;
030        public static final int NE = 1;
031        public static final int GT = 2;
032        public static final int LT = 3;
033        public static final int GE = 4;
034        public static final int LE = 5;
035    
036        private static final String[] names = {
037        "=", "!=", ">", "<", ">=", "<="
038        };
039        
040        public static final String getOpNames(int operator) {
041              return names[operator];
042        }
043        
044    //  Swap operator array
045        private static final int[] swapOpArray = {
046            EQ,     // EQ
047            NE,     // NE
048            LT,     // GT
049            GT,     // LT 
050            LE,     // GE 
051            GE      // LE
052        };
053    
054        public static final int swapOp(int operator) {
055              return swapOpArray[operator];
056        }    
057          
058    }