Function WarnIfStreamChunkContainsVariationSelector

src/tools/CommandLineMain.cpp:277–297

}

void WarnIfStreamChunkContainsVariationSelector(const char* input,
                                                size_t length) {
  if (variationSelectorWarningShown) {
    return;
  }

  std::string scan = variationSelectorScanTail;
  scan.append(input, length);
  if (UTF8Util::ContainsVariationSelector(scan.data(), scan.size())) {
    PrintVariationSelectorWarningOnce();
    variationSelectorScanTail.clear();
    return;
  }

  const size_t maxVariationSelectorUtf8Bytes = 4;
  const size_t keepBytes = scan.size() < maxVariationSelectorUtf8Bytes
                               ? scan.size()
                               : maxVariationSelectorUtf8Bytes;
  variationSelectorScanTail.assign(scan.data() + scan.size() - keepBytes,
                                   keepBytes);
}

// Serializes the segmentation-only view of an inspection result as a JSON
// object with "input" and "segments" fields. Used with --segmentation mode.