| 24 | } |
| 25 | |
| 26 | std::unique_ptr<Fluxmap> readStream( |
| 27 | std::string dir, unsigned track, unsigned side) |
| 28 | { |
| 29 | std::string suffix = fmt::format("{:02}.{}.raw", track, side); |
| 30 | |
| 31 | DIR* dirp = opendir(dir.c_str()); |
| 32 | if (!dirp) |
| 33 | error("cannot access path '{}'", dir); |
| 34 | |
| 35 | std::string filename; |
| 36 | for (;;) |
| 37 | { |
| 38 | struct dirent* de = readdir(dirp); |
| 39 | if (!de) |
| 40 | break; |
| 41 | |
| 42 | if (has_suffix(de->d_name, suffix)) |
| 43 | { |
| 44 | if (!filename.empty()) |
| 45 | error("data is ambiguous --- multiple files end in {}", suffix); |
| 46 | filename = fmt::format("{}/{}", dir, de->d_name); |
| 47 | } |
| 48 | } |
| 49 | closedir(dirp); |
| 50 | |
| 51 | if (filename.empty()) |
| 52 | error("failed to find track {} side {} in {}", track, side, dir); |
| 53 | |
| 54 | return readStream(filename); |
| 55 | } |
| 56 | |
| 57 | std::unique_ptr<Fluxmap> readStream(const std::string& filename) |
| 58 | { |