| /* |
| * 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. |
| */ |
| package org.netbeans.modules.css.lib; |
| |
| import org.antlr.runtime.CommonToken; |
| |
| /** |
| * |
| * @author marekfukala |
| */ |
| public class CommonTokenUtil { |
| |
| /** |
| * Returns a pointer to the start and end of the token image in the |
| * underlaying stream. The token.getStopIndex() points to the last character |
| * of the token which is a bit confusing. |
| * |
| * Use this method to get CommonToken's boundaries instead of using the |
| * getStart/StopIndex methods. |
| * |
| * @return two members array - arr[0] is the start offset, arr[1] is the end |
| * offset |
| */ |
| public static int[] getCommonTokenOffsetRange(CommonToken token) { |
| if (token.getType() == CommonToken.EOF) { |
| //"eof token" points at the end offset of the source, with zero length |
| return new int[]{token.getStartIndex(), token.getStopIndex()}; |
| } else { |
| return new int[]{token.getStartIndex(), token.getStopIndex() + 1}; |
| } |
| |
| } |
| } |