Method generateXPath

lib/KOReaderSync/ProgressMapper.cpp:889–902

}

std::string ProgressMapper::generateXPath(const std::shared_ptr<Epub>& epub, int spineIndex, float intra) {
  const std::string base = "/body/DocFragment[" + std::to_string(spineIndex + 1) + "]/body";
  if (intra <= 0.0f) return base;

  size_t spineSize = 0;
  const auto href = epub->getSpineItem(spineIndex).href;
  if (href.empty() || !epub->getItemSize(href, &spineSize) || spineSize == 0) return base;

  ParagraphStreamer s(static_cast<size_t>(spineSize * std::min(intra, 1.0f)));
  if (!streamSpine(epub, spineIndex, s)) return base;

  const int p = s.paragraphCount();
  return (p > 0) ? base + "/p[" + std::to_string(p) + "]" : base;
}