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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.xoo.lang;
import com.google.common.base.Splitter;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.batch.sensor.Sensor;
import org.sonar.api.batch.sensor.SensorContext;
import org.sonar.api.batch.sensor.SensorDescriptor;
import org.sonar.api.batch.sensor.symbol.NewSymbol;
import org.sonar.api.batch.sensor.symbol.NewSymbolTable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.xoo.Xoo;
import static java.lang.Integer.parseInt;
/**
* Parse files *.xoo.symbol
*/
public class SymbolReferencesSensor implements Sensor {
private static final Logger LOG = LoggerFactory.getLogger(SymbolReferencesSensor.class);
private static final String SYMBOL_EXTENSION = ".symbol";
private void processFileSymbol(InputFile inputFile, SensorContext context) {
File ioFile = inputFile.file();
File symbolFile = new File(ioFile.getParentFile(), ioFile.getName() + SYMBOL_EXTENSION);
if (symbolFile.exists()) {
LOG.debug("Processing " + symbolFile.getAbsolutePath());
try {
List<String> lines = FileUtils.readLines(symbolFile, context.fileSystem().encoding().name());
int lineNumber = 0;
NewSymbolTable symbolTable = context.newSymbolTable()
.onFile(inputFile);
for (String line : lines) {
lineNumber++;
if (StringUtils.isBlank(line) || line.startsWith("#")) {
continue;
}
processLine(symbolFile, lineNumber, symbolTable, line);
}
symbolTable.save();
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
}
private static void processLine(File symbolFile, int lineNumber, NewSymbolTable symbolTable, String line) {
try {
Iterator<String> split = Splitter.on(",").split(line).iterator();
String[] symbolOffsets = split.next().split(":");
if (symbolOffsets.length == 4) {
int startLine = parseInt(symbolOffsets[0]);
int startLineOffset = parseInt(symbolOffsets[1]);
int endLine = parseInt(symbolOffsets[2]);
int endLineOffset = parseInt(symbolOffsets[3]);
NewSymbol s = symbolTable.newSymbol(startLine, startLineOffset, endLine, endLineOffset);
parseReferences(s, split);
} else {
throw new IllegalStateException("Illegal number of elements separated by ':'. " +
"Must be startLine:startLineOffset:endLine:endLineOffset");
}
} catch (Exception e) {
throw new IllegalStateException("Error processing line " + lineNumber + " of file " + symbolFile.getAbsolutePath(), e);
}
}
private static void parseReferences(NewSymbol s, Iterator<String> split) {
while (split.hasNext()) {
addReference(s, split.next());
}
}
private static void addReference(NewSymbol s, String str) {
String[] split = str.split(":");
if (split.length == 4) {
int startLine = parseInt(split[0]);
int startLineOffset = parseInt(split[1]);
int endLine = parseInt(split[2]);
int endLineOffset = parseInt(split[3]);
s.newReference(startLine, startLineOffset, endLine, endLineOffset);
} else {
throw new IllegalStateException("Illegal number of elements separated by ':'");
}
}
@Override
public void describe(SensorDescriptor descriptor) {
descriptor
.name("Xoo Symbol Reference Sensor")
.onlyOnLanguages(Xoo.KEY);
}
@Override
public void execute(SensorContext context) {
for (InputFile file : context.fileSystem().inputFiles(context.fileSystem().predicates().hasLanguages(Xoo.KEY))) {
processFileSymbol(file, context);
}
}
}
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