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);
}
static void addDatfileResults(IList <XMLDatfile.IdentifyResult> results, ROMInfo info)
{
int i = 1;
foreach (var result in results)
{
string prefix = i == 1 ? "Datfile" : String.Format("Datfile {0}", i);
info.addInfo(prefix, result?.datfile.name);
info.addInfo(prefix + " game name", result?.game.name);
info.addInfo(prefix + " game category", result?.game.category);
info.addInfo(prefix + " game description", result?.game.description, true); //Generally the same as the name
info.addInfo(prefix + " ROM name", result?.rom.name);
info.addInfo(prefix + " ROM status", result?.rom.status);
if (result != null)
{
//Lowkey hate that I can't just do result? here
//Anyway, if there's a match, then this should just be equal to the file size anyway; if not, you know some hash collision shit occured
info.addInfo(prefix + " ROM size", result.rom.size, FormatMode.SIZE, true);
}
++i;
}
}
