!include once #1034352 // zip4j

srecord noeq Zip4j_CopySubSetOfZipFile(File zipIn, File zipOut, IPred<S> fileFilter) {
  ZipModel zipModel;
  HeaderWriter headerWriter;
  new net.lingala.zip4j.progress.ProgressMonitor progressMonitor;
  int bufferSize = InternalZipConstants.BUFF_SIZE;
  Charset charset;

  run {
    try (var randomAccessFile = new RandomAccessFile(zipIn, RandomAccessFileMode.READ.getValue())) {
      zipModel = new HeaderReader().readAllHeaders(randomAccessFile, buildConfig());
      zipModel.setZipFile(zipIn);
    }

    temp outputStream = new SplitOutputStream(zipOut);
    temp inputStream = new RandomAccessFile(zipModel.getZipFile(), RandomAccessFileMode.READ.getValue());
  
    long currentFileCopyPointer = 0;
    L<FileHeader> sortedFileHeaders = sortedByComparator(zipModel.getCentralDirectory().getFileHeaders(), (o1, o2) -> {
      if (eq(o1.getFileName(), o2.getFileName())) ret 0;
      ret cmp(o1.getOffsetLocalHeader(), o2.getOffsetLocalHeader());
    });
  
    for (fileHeader : sortedFileHeaders) {
      long lengthOfCurrentEntry = getOffsetOfNextEntry(sortedFileHeaders, fileHeader, zipModel) - outputStream.getFilePointer();
      if (!fileFilter.get(fileHeader.getFileName())) {
        updateHeaders(sortedFileHeaders, fileHeader, lengthOfCurrentEntry);

        if (!zipModel.getCentralDirectory().getFileHeaders().remove(fileHeader)) {
          throw new ZipException("Could not remove entry from list of central directory headers");
        }

        currentFileCopyPointer += lengthOfCurrentEntry;
      } else {
        // copy complete entry without any changes
        currentFileCopyPointer += super.copyFile(inputStream, outputStream, currentFileCopyPointer,
          lengthOfCurrentEntry, progressMonitor, taskParameters.zip4jConfig.getBufferSize());
      }
    }

    headerWriter.finalizeZipFile(zipModel, outputStream, taskParameters.zip4jConfig.getCharset());
  }

  long getOffsetOfNextEntry(L<FileHeader> sortedFileHeaders,
    FileHeader fileHeader, ZipModel zipModel) throws ZipException {
    int indexOfFileHeader = getIndexOfFileHeader(sortedFileHeaders, fileHeader);

    if (indexOfFileHeader == sortedFileHeaders.size() - 1)
      ret HeaderUtil.getOffsetStartOfCentralDirectory(zipModel);
    else
      ret sortedFileHeaders.get(indexOfFileHeader + 1).getOffsetLocalHeader();
  }
  
  long copyFile(RandomAccessFile randomAccessFile, OutputStream outputStream, long start, long length,
    ProgressMonitor progressMonitor, int bufferSize) throws IOException {
    net.lingala.zip4j.util.FileUtils.copyFile(randomAccessFile, outputStream, start, start + length, progressMonitor, bufferSize);
    ret length;
  }
  
  private void updateHeaders(List<FileHeader> sortedFileHeaders, FileHeader fileHeaderThatWasRemoved,
    long offsetToSubtract) throws ZipException {
    updateOffsetsForAllSubsequentFileHeaders(sortedFileHeaders, zipModel, fileHeaderThatWasRemoved, negate(offsetToSubtract));

    EndOfCentralDirectoryRecord endOfCentralDirectoryRecord = zipModel.getEndOfCentralDirectoryRecord();
    endOfCentralDirectoryRecord.setOffsetOfStartOfCentralDirectory(
        endOfCentralDirectoryRecord.getOffsetOfStartOfCentralDirectory() - offsetToSubtract);
    endOfCentralDirectoryRecord.setTotalNumberOfEntriesInCentralDirectory(
        endOfCentralDirectoryRecord.getTotalNumberOfEntriesInCentralDirectory() - 1);

    if (endOfCentralDirectoryRecord.getTotalNumberOfEntriesInCentralDirectoryOnThisDisk() > 0) {
      endOfCentralDirectoryRecord.setTotalNumberOfEntriesInCentralDirectoryOnThisDisk(
          endOfCentralDirectoryRecord.getTotalNumberOfEntriesInCentralDirectoryOnThisDisk() - 1);
    }

    if (zipModel.isZip64Format()) {
      zipModel.getZip64EndOfCentralDirectoryRecord().setOffsetStartCentralDirectoryWRTStartDiskNumber(
          zipModel.getZip64EndOfCentralDirectoryRecord().getOffsetStartCentralDirectoryWRTStartDiskNumber() - offsetToSubtract);

      zipModel.getZip64EndOfCentralDirectoryRecord().setTotalNumberOfEntriesInCentralDirectoryOnThisDisk(
          zipModel.getZip64EndOfCentralDirectoryRecord().getTotalNumberOfEntriesInCentralDirectory() - 1);

      zipModel.getZip64EndOfCentralDirectoryLocator().setOffsetZip64EndOfCentralDirectoryRecord(
          zipModel.getZip64EndOfCentralDirectoryLocator().getOffsetZip64EndOfCentralDirectoryRecord() - offsetToSubtract);
    }
  }

  private long negate(long val) {
    if (val == Long.MIN_VALUE) {
      throw new ArithmeticException("long overflow");
    }

    return -val;
  }

  Zip4jConfig buildConfig() {
    return new Zip4jConfig(charset, bufferSize);
  }
}