public bool Identify(IFilter imageFilter)
{
Header = new ScpHeader();
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
if (stream.Length < Marshal.SizeOf <ScpHeader>())
{
return(false);
}
byte[] hdr = new byte[Marshal.SizeOf <ScpHeader>()];
stream.Read(hdr, 0, Marshal.SizeOf <ScpHeader>());
Header = Marshal.ByteArrayToStructureLittleEndian <ScpHeader>(hdr);
return(scpSignature.SequenceEqual(Header.signature));
}
public bool Identify(IFilter imageFilter)
{
Header = new ScpHeader();
Stream stream = imageFilter.GetDataForkStream();
stream.Seek(0, SeekOrigin.Begin);
if (stream.Length < Marshal.SizeOf(Header))
{
return(false);
}
byte[] hdr = new byte[Marshal.SizeOf(Header)];
stream.Read(hdr, 0, Marshal.SizeOf(Header));
IntPtr hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(Header));
Marshal.Copy(hdr, 0, hdrPtr, Marshal.SizeOf(Header));
Header = (ScpHeader)Marshal.PtrToStructure(hdrPtr, typeof(ScpHeader));
Marshal.FreeHGlobal(hdrPtr);
return(scpSignature.SequenceEqual(Header.signature));
}
public bool Open(IFilter imageFilter)
{
Header = new ScpHeader();
scpStream = imageFilter.GetDataForkStream();
scpStream.Seek(0, SeekOrigin.Begin);
if (scpStream.Length < Marshal.SizeOf(Header))
{
return(false);
}
byte[] hdr = new byte[Marshal.SizeOf(Header)];
scpStream.Read(hdr, 0, Marshal.SizeOf(Header));
IntPtr hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(Header));
Marshal.Copy(hdr, 0, hdrPtr, Marshal.SizeOf(Header));
Header = (ScpHeader)Marshal.PtrToStructure(hdrPtr, typeof(ScpHeader));
Marshal.FreeHGlobal(hdrPtr);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.signature = \"{0}\"",
StringHandlers.CToString(Header.signature));
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.version = {0}.{1}", (Header.version & 0xF0) >> 4,
Header.version & 0xF);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.type = {0}", Header.type);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.revolutions = {0}", Header.revolutions);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.start = {0}", Header.start);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.end = {0}", Header.end);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.flags = {0}", Header.flags);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.bitCellEncoding = {0}", Header.bitCellEncoding);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.heads = {0}", Header.heads);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.reserved = {0}", Header.reserved);
DicConsole.DebugWriteLine("SuperCardPro plugin", "header.checksum = 0x{0:X8}", Header.checksum);
if (!scpSignature.SequenceEqual(Header.signature))
{
return(false);
}
ScpTracks = new Dictionary <byte, TrackHeader>();
for (byte t = Header.start; t <= Header.end; t++)
{
if (t >= Header.offsets.Length)
{
break;
}
scpStream.Position = Header.offsets[t];
TrackHeader trk =
new TrackHeader {
Signature = new byte[3], Entries = new TrackEntry[Header.revolutions]
};
scpStream.Read(trk.Signature, 0, trk.Signature.Length);
trk.TrackNumber = (byte)scpStream.ReadByte();
if (!trk.Signature.SequenceEqual(trkSignature))
{
DicConsole.DebugWriteLine("SuperCardPro plugin",
"Track header at {0} contains incorrect signature.", Header.offsets[t]);
continue;
}
if (trk.TrackNumber != t)
{
DicConsole.DebugWriteLine("SuperCardPro plugin", "Track number at {0} should be {1} but is {2}.",
Header.offsets[t], t, trk.TrackNumber);
continue;
}
DicConsole.DebugWriteLine("SuperCardPro plugin", "Found track {0} at {1}.", t, Header.offsets[t]);
for (byte r = 0; r < Header.revolutions; r++)
{
byte[] rev = new byte[Marshal.SizeOf(typeof(TrackEntry))];
scpStream.Read(rev, 0, Marshal.SizeOf(typeof(TrackEntry)));
IntPtr revPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(TrackEntry)));
Marshal.Copy(rev, 0, revPtr, Marshal.SizeOf(typeof(TrackEntry)));
trk.Entries[r] = (TrackEntry)Marshal.PtrToStructure(revPtr, typeof(TrackEntry));
Marshal.FreeHGlobal(revPtr);
// De-relative offsets
trk.Entries[r].dataOffset += Header.offsets[t];
}
ScpTracks.Add(t, trk);
}
if (Header.flags.HasFlag(ScpFlags.HasFooter))
{
long position = scpStream.Position;
scpStream.Seek(-4, SeekOrigin.End);
while (scpStream.Position >= position)
{
byte[] footerSig = new byte[4];
scpStream.Read(footerSig, 0, 4);
uint footerMagic = BitConverter.ToUInt32(footerSig, 0);
if (footerMagic == FOOTER_SIGNATURE)
{
scpStream.Seek(-Marshal.SizeOf(typeof(ScpFooter)), SeekOrigin.Current);
DicConsole.DebugWriteLine("SuperCardPro plugin", "Found footer at {0}", scpStream.Position);
byte[] ftr = new byte[Marshal.SizeOf(typeof(ScpFooter))];
scpStream.Read(ftr, 0, Marshal.SizeOf(typeof(ScpFooter)));
IntPtr ftrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(ScpFooter)));
Marshal.Copy(ftr, 0, ftrPtr, Marshal.SizeOf(typeof(ScpFooter)));
ScpFooter footer = (ScpFooter)Marshal.PtrToStructure(ftrPtr, typeof(ScpFooter));
Marshal.FreeHGlobal(ftrPtr);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.manufacturerOffset = 0x{0:X8}",
footer.manufacturerOffset);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.modelOffset = 0x{0:X8}",
footer.modelOffset);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.serialOffset = 0x{0:X8}",
footer.serialOffset);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.creatorOffset = 0x{0:X8}",
footer.creatorOffset);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.applicationOffset = 0x{0:X8}",
footer.applicationOffset);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.commentsOffset = 0x{0:X8}",
footer.commentsOffset);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.creationTime = {0}",
footer.creationTime);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.modificationTime = {0}",
footer.modificationTime);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.applicationVersion = {0}.{1}",
(footer.applicationVersion & 0xF0) >> 4,
footer.applicationVersion & 0xF);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.hardwareVersion = {0}.{1}",
(footer.hardwareVersion & 0xF0) >> 4, footer.hardwareVersion & 0xF);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.firmwareVersion = {0}.{1}",
(footer.firmwareVersion & 0xF0) >> 4, footer.firmwareVersion & 0xF);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.imageVersion = {0}.{1}",
(footer.imageVersion & 0xF0) >> 4, footer.imageVersion & 0xF);
DicConsole.DebugWriteLine("SuperCardPro plugin", "footer.signature = \"{0}\"",
StringHandlers.CToString(BitConverter.GetBytes(footer.signature)));
imageInfo.DriveManufacturer = ReadPStringUtf8(scpStream, footer.manufacturerOffset);
imageInfo.DriveModel = ReadPStringUtf8(scpStream, footer.modelOffset);
imageInfo.DriveSerialNumber = ReadPStringUtf8(scpStream, footer.serialOffset);
imageInfo.Creator = ReadPStringUtf8(scpStream, footer.creatorOffset);
imageInfo.Application = ReadPStringUtf8(scpStream, footer.applicationOffset);
imageInfo.Comments = ReadPStringUtf8(scpStream, footer.commentsOffset);
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.driveManufacturer = \"{0}\"",
imageInfo.DriveManufacturer);
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.driveModel = \"{0}\"",
imageInfo.DriveModel);
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.driveSerialNumber = \"{0}\"",
imageInfo.DriveSerialNumber);
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.imageCreator = \"{0}\"",
imageInfo.Creator);
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.imageApplication = \"{0}\"",
imageInfo.Application);
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.imageComments = \"{0}\"",
imageInfo.Comments);
imageInfo.CreationTime = footer.creationTime != 0
? DateHandlers.UnixToDateTime(footer.creationTime)
: imageFilter.GetCreationTime();
imageInfo.LastModificationTime = footer.modificationTime != 0
? DateHandlers.UnixToDateTime(footer.modificationTime)
: imageFilter.GetLastWriteTime();
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.imageCreationTime = {0}",
imageInfo.CreationTime);
DicConsole.DebugWriteLine("SuperCardPro plugin", "ImageInfo.imageLastModificationTime = {0}",
imageInfo.LastModificationTime);
imageInfo.ApplicationVersion =
$"{(footer.applicationVersion & 0xF0) >> 4}.{footer.applicationVersion & 0xF}";
imageInfo.DriveFirmwareRevision =
$"{(footer.firmwareVersion & 0xF0) >> 4}.{footer.firmwareVersion & 0xF}";
imageInfo.Version = $"{(footer.imageVersion & 0xF0) >> 4}.{footer.imageVersion & 0xF}";
break;
}
scpStream.Seek(-8, SeekOrigin.Current);
}
}
else
{
imageInfo.Application = "SuperCardPro";
imageInfo.ApplicationVersion = $"{(Header.version & 0xF0) >> 4}.{Header.version & 0xF}";
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
imageInfo.Version = "1.5";
}
throw new NotImplementedException("Flux decoding is not yet implemented.");
}
