public static ROMInfo getROMInfo(Handler handler, ROMFile rom, DatfileCollection datfiles)
{
ROMInfo info = new ROMInfo();
try {
info.addInfo("Filename", rom.path.Name);
info.addInfo("Folder", rom.path.DirectoryName);
info.addInfo("Size", rom.length, FormatMode.SIZE);
bool shouldSkipHeader = handler.shouldSkipHeader(rom);
info.addInfo("Has extra header", shouldSkipHeader);
if (rom.compressed)
{
info.addInfo("Uncompressed filename", rom.name);
info.addInfo("Compressed size", rom.compressedLength, FormatMode.SIZE);
info.addInfo("Compression ratio", 1 - ((double)rom.compressedLength / rom.length), FormatMode.PERCENT);
}
string extension = rom.extension;
string fileType = handler.getFiletypeName(extension);
info.addInfo("File type", fileType ?? "Unknown");
if (handler.shouldCalculateHash)
{
var hashes = DatfileCollection.hash(rom.stream, 0);
info.addInfo("CRC32", hashes.Item1, FormatMode.HEX_WITHOUT_0X);
info.addInfo("MD5", hashes.Item2, FormatMode.BYTEARRAY_WITHOUT_DASHES);
info.addInfo("SHA-1", hashes.Item3, FormatMode.BYTEARRAY_WITHOUT_DASHES);
Tuple <int, byte[], byte[]> hashesWithoutHeader = null;
if (shouldSkipHeader)
{
hashesWithoutHeader = DatfileCollection.hash(rom.stream, handler.skipHeaderBytes());
info.addInfo("CRC32 without header", hashesWithoutHeader.Item1, FormatMode.HEX_WITHOUT_0X);
info.addInfo("MD5 without header", hashesWithoutHeader.Item2, FormatMode.BYTEARRAY_WITHOUT_DASHES);
info.addInfo("SHA-1 without header", hashesWithoutHeader.Item3, FormatMode.BYTEARRAY_WITHOUT_DASHES);
}
if (datfiles != null)
{
var results = datfiles.identify(hashes.Item1, hashes.Item2, hashes.Item3);
if (hashesWithoutHeader != null)
{
var resultsWithoutHeader = datfiles.identify(hashesWithoutHeader.Item1, hashesWithoutHeader.Item2, hashesWithoutHeader.Item3);
foreach (var resultWithoutHeader in resultsWithoutHeader)
{
results.Add(resultWithoutHeader);
}
}
addDatfileResults(results, info);
}
}
handler.addROMInfo(info, rom);
} catch (Exception e) {
info.addInfo("Exception", e);
}
return(info);
}
public static void viewFile(ROMFile rom, bool isCDTrack = false)
{
Handler handler = null;
if (isCDTrack)
{
handler = chooseChoices(Handler.allHandlers.Where(h => h is CDBasedSystem), "name", "Which system is this?", "Choose hander");
}
else
{
IList <Handler> handlers = findHandlersForExtension(rom.extension);
if (handlers.Count == 0)
{
handler = chooseChoices(Handler.allHandlers.Where(h => h.shouldSeeInChooseView()).OrderBy(h => h.name), "name", "I don't know what this file extension means. Do you want to try and read it as something else?", "Force Handler");
}
else
{
handler = chooseChoices(handlers.OrderBy((h) => h.name), "name",
"This file extension could be a number of things. Which handler do you want to try and read this with?", "Choose Handler");
}
}
if (handler == null)
{
return;
}
string datFolderSetting = SettingsManager.readSetting("datfiles");
DatfileCollection datfiles = null;
if (datFolderSetting != null && handler.shouldCalculateHash)
{
List <DirectoryInfo> directories = new List <DirectoryInfo>();
foreach (var datFolder in datFolderSetting.Split(';'))
{
directories.Add(new DirectoryInfo(datFolder));
}
datfiles = DatfileCollection.loadFromFolders(directories);
}
ROMInfo info = ROMInfo.getROMInfo(handler, rom, datfiles);
viewFile(info, rom, String.Format("ROMniscience: {0} ({1})", rom.path, handler.name));
}
