Method writeFile

src/rendering/caches/DiskCache.cpp:202–241

}

bool DiskCache::writeFile(const std::string& key, std::shared_ptr<tgfx::Data> data) {
  std::lock_guard<std::mutex> autoLock(locker);
  if (cacheFolder.empty() || key.empty() || data == nullptr) {
    return false;
  }
  auto changed = checkDiskSpace(maxDiskSize - data->size());
  if (totalDiskSize + data->size() > maxDiskSize) {
    if (changed) {
      saveConfig();
    }
    return false;
  }
  auto fileID = getFileID(key);
  auto filePath = fileIDToPath(fileID);
  Directory::CreateRecursively(Directory::GetParentDirectory(filePath));
  auto file = fopen(filePath.c_str(), "wb");
  if (file == nullptr) {
    return false;
  }
  auto writeLength = fwrite(data->data(), 1, data->size(), file);
  fclose(file);
  if (writeLength != data->size()) {
    return false;
  }
  totalDiskSize += data->size();
  auto fileInfo = cachedFileInfos[fileID];
  if (fileInfo) {
    totalDiskSize -= fileInfo->fileSize;
    fileInfo->fileSize = data->size();
  } else {
    addToCachedFiles(std::make_shared<FileInfo>(key, fileID, data->size()));
    fileInfo = cachedFileInfos[fileID];
    changed = true;
  }
  moveToBeforeOpenedFiles(fileInfo);
  if (changed) {
    saveConfig();
  }
  return true;
}

bool DiskCache::checkDiskSpace(size_t maxSize) {
  bool changed = false;