| /* |
| * 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.iotdb.tsfile.read.common.parser; |
| |
| import org.antlr.v4.runtime.BaseErrorListener; |
| import org.antlr.v4.runtime.Parser; |
| import org.antlr.v4.runtime.RecognitionException; |
| import org.antlr.v4.runtime.Recognizer; |
| import org.antlr.v4.runtime.misc.IntervalSet; |
| import org.antlr.v4.runtime.misc.ParseCancellationException; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class PathParseError extends BaseErrorListener { |
| public static final PathParseError INSTANCE = new PathParseError(); |
| |
| @Override |
| public void syntaxError( |
| Recognizer<?, ?> recognizer, |
| Object offendingSymbol, |
| int line, |
| int charPositionInLine, |
| String msg, |
| RecognitionException e) { |
| // make msg clearer |
| if (recognizer instanceof Parser) { |
| IntervalSet expectedTokens = ((Parser) recognizer).getExpectedTokens(); |
| String expectedTokensString = expectedTokens.toString(recognizer.getVocabulary()); |
| String trimmed = expectedTokensString.replace(" ", ""); |
| Set<String> expectedTokenNames = |
| new HashSet<>(Arrays.asList(trimmed.substring(1, trimmed.length() - 1).split(","))); |
| |
| if (expectedTokenNames.contains("ID") && expectedTokenNames.contains("QUOTED_ID")) { |
| // node name |
| if (expectedTokenNames.contains("*") && expectedTokenNames.contains("**")) { |
| msg = msg.replace(expectedTokensString, "{ID, QUOTED_ID, *, **}"); |
| } else { |
| msg = msg.replace(expectedTokensString, "{ID, QUOTED_ID}"); |
| } |
| } |
| } |
| throw new ParseCancellationException("line " + line + ":" + charPositionInLine + " " + msg); |
| } |
| } |