| 72 | } |
| 73 | |
| 74 | Result<std::shared_ptr<io::RandomAccessFile>> FileSource::Open() const { |
| 75 | if (filesystem_) { |
| 76 | return filesystem_->OpenInputFile(file_info_); |
| 77 | } |
| 78 | |
| 79 | if (buffer_) { |
| 80 | return std::make_shared<io::BufferReader>(buffer_); |
| 81 | } |
| 82 | |
| 83 | return custom_open_(); |
| 84 | } |
| 85 | |
| 86 | Future<std::shared_ptr<io::RandomAccessFile>> FileSource::OpenAsync() const { |
| 87 | if (filesystem_) { |