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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.externalissue.sarif;
import java.util.Objects;
import java.util.Optional;
import javax.annotation.Nullable;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.batch.fs.TextRange;
import org.sonar.api.scanner.ScannerSide;
import org.sonar.sarif.pojo.Region;
@ScannerSide
public class RegionMapper {
Optional<TextRange> mapRegion(@Nullable Region region, InputFile file) {
if (region == null) {
return Optional.empty();
}
int startLine = Objects.requireNonNull(region.getStartLine(), "No start line defined for the region.");
int endLine = Optional.ofNullable(region.getEndLine()).orElse(startLine);
int startColumn = Optional.ofNullable(region.getStartColumn()).map(RegionMapper::adjustSarifColumnIndexToSqIndex).orElse(0);
int endColumn = Optional.ofNullable(region.getEndColumn()).map(RegionMapper::adjustSarifColumnIndexToSqIndex)
.orElseGet(() -> file.selectLine(endLine).end().lineOffset());
if (rangeIsEmpty(startLine, endLine, startColumn, endColumn)) {
return Optional.of(file.selectLine(startLine));
} else {
return Optional.of(file.newRange(startLine, startColumn, endLine, endColumn));
}
}
private static int adjustSarifColumnIndexToSqIndex(int index) {
return index - 1;
}
private static boolean rangeIsEmpty(int startLine, int endLine, int startColumn, int endColumn) {
return startLine == endLine && startColumn == endColumn;
}
}
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