public void Open(string path)
{
FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
fs.Seek(0, SeekOrigin.Begin);
byte[] hdr_b = new byte[26];
fs.Read(hdr_b, 0, 26);
header = Marshal.ByteArrayToStructureBigEndian <AppleSingleHeader>(hdr_b);
AppleSingleEntry[] entries = new AppleSingleEntry[header.entries];
for (int i = 0; i < header.entries; i++)
{
byte[] entry = new byte[12];
fs.Read(entry, 0, 12);
entries[i] = Marshal.ByteArrayToStructureBigEndian <AppleSingleEntry>(entry);
}
creationTime = DateTime.UtcNow;
lastWriteTime = creationTime;
foreach (AppleSingleEntry entry in entries)
{
switch ((AppleSingleEntryID)entry.id)
{
case AppleSingleEntryID.DataFork:
dataFork = entry;
break;
case AppleSingleEntryID.FileDates:
fs.Seek(entry.offset, SeekOrigin.Begin);
byte[] dates_b = new byte[16];
fs.Read(dates_b, 0, 16);
AppleSingleFileDates dates =
Marshal.ByteArrayToStructureBigEndian <AppleSingleFileDates>(dates_b);
creationTime = DateHandlers.MacToDateTime(dates.creationDate);
lastWriteTime = DateHandlers.MacToDateTime(dates.modificationDate);
break;
case AppleSingleEntryID.FileInfo:
fs.Seek(entry.offset, SeekOrigin.Begin);
byte[] finfo = new byte[entry.length];
fs.Read(finfo, 0, finfo.Length);
if (MacintoshHome.SequenceEqual(header.homeFilesystem))
{
AppleSingleMacFileInfo macinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleMacFileInfo>(finfo);
creationTime = DateHandlers.MacToDateTime(macinfo.creationDate);
lastWriteTime = DateHandlers.MacToDateTime(macinfo.modificationDate);
}
else if (ProDOSHome.SequenceEqual(header.homeFilesystem))
{
AppleSingleProDOSFileInfo prodosinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleProDOSFileInfo>(finfo);
creationTime = DateHandlers.MacToDateTime(prodosinfo.creationDate);
lastWriteTime = DateHandlers.MacToDateTime(prodosinfo.modificationDate);
}
else if (UNIXHome.SequenceEqual(header.homeFilesystem))
{
AppleSingleUNIXFileInfo unixinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleUNIXFileInfo>(finfo);
creationTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.creationDate);
lastWriteTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.modificationDate);
}
else if (DOSHome.SequenceEqual(header.homeFilesystem))
{
AppleSingleDOSFileInfo dosinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleDOSFileInfo>(finfo);
lastWriteTime =
DateHandlers.DosToDateTime(dosinfo.modificationDate, dosinfo.modificationTime);
}
break;
case AppleSingleEntryID.ResourceFork:
rsrcFork = entry;
break;
}
}
fs.Close();
opened = true;
isPath = true;
basePath = path;
}
public void Open(Stream stream)
{
stream.Seek(0, SeekOrigin.Begin);
byte[] hdrB = new byte[26];
stream.Read(hdrB, 0, 26);
_header = Marshal.ByteArrayToStructureBigEndian <AppleSingleHeader>(hdrB);
AppleSingleEntry[] entries = new AppleSingleEntry[_header.entries];
for (int i = 0; i < _header.entries; i++)
{
byte[] entry = new byte[12];
stream.Read(entry, 0, 12);
entries[i] = Marshal.ByteArrayToStructureBigEndian <AppleSingleEntry>(entry);
}
_creationTime = DateTime.UtcNow;
_lastWriteTime = _creationTime;
foreach (AppleSingleEntry entry in entries)
{
switch ((AppleSingleEntryID)entry.id)
{
case AppleSingleEntryID.DataFork:
_dataFork = entry;
break;
case AppleSingleEntryID.FileDates:
stream.Seek(entry.offset, SeekOrigin.Begin);
byte[] datesB = new byte[16];
stream.Read(datesB, 0, 16);
AppleSingleFileDates dates =
Marshal.ByteArrayToStructureBigEndian <AppleSingleFileDates>(datesB);
_creationTime = DateHandlers.MacToDateTime(dates.creationDate);
_lastWriteTime = DateHandlers.MacToDateTime(dates.modificationDate);
break;
case AppleSingleEntryID.FileInfo:
stream.Seek(entry.offset, SeekOrigin.Begin);
byte[] finfo = new byte[entry.length];
stream.Read(finfo, 0, finfo.Length);
if (_macintoshHome.SequenceEqual(_header.homeFilesystem))
{
AppleSingleMacFileInfo macinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleMacFileInfo>(finfo);
_creationTime = DateHandlers.MacToDateTime(macinfo.creationDate);
_lastWriteTime = DateHandlers.MacToDateTime(macinfo.modificationDate);
}
else if (_proDosHome.SequenceEqual(_header.homeFilesystem))
{
AppleSingleProDOSFileInfo prodosinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleProDOSFileInfo>(finfo);
_creationTime = DateHandlers.MacToDateTime(prodosinfo.creationDate);
_lastWriteTime = DateHandlers.MacToDateTime(prodosinfo.modificationDate);
}
else if (_unixHome.SequenceEqual(_header.homeFilesystem))
{
AppleSingleUnixFileInfo unixinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleUnixFileInfo>(finfo);
_creationTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.creationDate);
_lastWriteTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.modificationDate);
}
else if (_dosHome.SequenceEqual(_header.homeFilesystem))
{
AppleSingleDOSFileInfo dosinfo =
Marshal.ByteArrayToStructureBigEndian <AppleSingleDOSFileInfo>(finfo);
_lastWriteTime =
DateHandlers.DosToDateTime(dosinfo.modificationDate, dosinfo.modificationTime);
}
break;
case AppleSingleEntryID.ResourceFork:
_rsrcFork = entry;
break;
}
}
stream.Seek(0, SeekOrigin.Begin);
_opened = true;
_isStream = true;
_stream = stream;
}
