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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.scanner.cpd.index;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.batch.fs.internal.DefaultInputFile;
import org.sonar.duplications.block.Block;
import org.sonar.duplications.block.ByteArray;
import org.sonar.duplications.index.AbstractCloneIndex;
import org.sonar.duplications.index.CloneIndex;
import org.sonar.duplications.index.PackedMemoryCloneIndex;
import org.sonar.duplications.index.PackedMemoryCloneIndex.ResourceBlocks;
import org.sonar.scanner.cpd.CpdSettings;
import org.sonar.scanner.protocol.output.FileStructure;
import org.sonar.scanner.protocol.output.ScannerReport;
import org.sonar.scanner.report.ReportPublisher;
public class SonarCpdBlockIndex extends AbstractCloneIndex {
private static final Logger LOG = LoggerFactory.getLogger(SonarCpdBlockIndex.class);
private final CloneIndex mem = new PackedMemoryCloneIndex();
private final ReportPublisher publisher;
// Files already tokenized
private final Set<InputFile> indexedFiles = new HashSet<>();
private final CpdSettings settings;
public SonarCpdBlockIndex(ReportPublisher publisher, CpdSettings settings) {
this.publisher = publisher;
this.settings = settings;
}
public void insert(InputFile inputFile, Collection<Block> blocks) {
if (settings.isCrossProjectDuplicationEnabled()) {
int id = ((DefaultInputFile) inputFile).scannerId();
if (publisher.getWriter().hasComponentData(FileStructure.Domain.CPD_TEXT_BLOCKS, id)) {
throw new UnsupportedOperationException("Trying to save CPD tokens twice for the same file is not supported: " + inputFile.absolutePath());
}
final ScannerReport.CpdTextBlock.Builder builder = ScannerReport.CpdTextBlock.newBuilder();
publisher.getWriter().writeCpdTextBlocks(id, blocks.stream().map(block -> {
builder.clear();
builder.setStartLine(block.getStartLine());
builder.setEndLine(block.getEndLine());
builder.setStartTokenIndex(block.getStartUnit());
builder.setEndTokenIndex(block.getEndUnit());
builder.setHash(block.getBlockHash().toHexString());
return builder.build();
}).toList());
}
for (Block block : blocks) {
mem.insert(block);
}
if (blocks.isEmpty() && LOG.isDebugEnabled()) {
LOG.debug("Not enough content in '{}' to have CPD blocks, it will not be part of the duplication detection", inputFile.relativePath());
}
indexedFiles.add(inputFile);
}
public int noIndexedFiles() {
return indexedFiles.size();
}
public boolean isIndexed(InputFile inputFile) {
return indexedFiles.contains(inputFile);
}
public Collection<Block> getByInputFile(String resourceKey) {
return mem.getByResourceId(resourceKey);
}
@Override
public Collection<Block> getBySequenceHash(ByteArray hash) {
return mem.getBySequenceHash(hash);
}
@Override
public Collection<Block> getByResourceId(String resourceId) {
throw new UnsupportedOperationException();
}
@Override
public void insert(Block block) {
throw new UnsupportedOperationException();
}
@Override
public Iterator<ResourceBlocks> iterator() {
return mem.iterator();
}
@Override
public int noResources() {
return mem.noResources();
}
}
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