| /* |
| * 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.apache.geode.management.internal.cli.util; |
| |
| import org.springframework.util.Assert; |
| |
| /** |
| * Utility based on code extracted from |
| * {@link org.springframework.shell.core.AbstractShell#executeCommand(String)} |
| * |
| * @since GemFire 7.0 |
| */ |
| // @original-author Ben Alex |
| public class CommentSkipHelper { |
| |
| private boolean inBlockComment; |
| |
| public String skipComments(String line) { |
| // We support simple block comments; ie a single pair per line |
| if (!inBlockComment && line.contains("/*") && line.contains("*/")) { |
| blockCommentBegin(); |
| String lhs = line.substring(0, line.lastIndexOf("/*")); |
| if (line.contains("*/")) { |
| line = lhs + line.substring(line.lastIndexOf("*/") + 2); |
| blockCommentFinish(); |
| } else { |
| line = lhs; |
| } |
| } else if (!inBlockComment && line.contains("/*")) {// GemStone Added |
| blockCommentBegin(); |
| } |
| if (inBlockComment) { |
| if (!line.contains("*/")) { |
| return null; // TODO: should this throw an exception instead? |
| } |
| blockCommentFinish(); |
| line = line.substring(line.lastIndexOf("*/") + 2); |
| } |
| // We also support inline comments (but only at start of line, otherwise valid |
| // command options like http://www.helloworld.com will fail as per ROO-517) |
| if (!inBlockComment && (line.trim().startsWith("//") || line.trim().startsWith("#"))) { // # |
| // support |
| // in |
| // ROO-1116 |
| line = ""; |
| } |
| // Convert any TAB characters to whitespace (ROO-527) |
| line = line.replace('\t', ' '); |
| return line; |
| } |
| |
| private void blockCommentBegin() { |
| /** asdsfsdf /*asdsdfsdsd */ |
| // why dis-allow this??? It's allowed in Java. It was probably because '/*' is considered as a |
| // command by Roo. |
| Assert.isTrue(!inBlockComment, "Cannot open a new block comment when one already active"); |
| inBlockComment = true; |
| } |
| |
| private void blockCommentFinish() { |
| Assert.isTrue(inBlockComment, "Cannot close a block comment when it has not been opened"); |
| inBlockComment = false; |
| } |
| |
| private void reset() { // TODO: delete |
| inBlockComment = false; |
| } |
| } |