private bool ValidAttribute(FATDirectoryAttributes attr) {
return attr == FATDirectoryAttributes.ATTR_LONG_NAME
|| attr == FATDirectoryAttributes.ATTR_VOLUME_ID
|| (attr & (FATDirectoryAttributes.ATTR_ARCHIVE |
FATDirectoryAttributes.ATTR_DIRECTORY |
FATDirectoryAttributes.ATTR_HIDDEN |
FATDirectoryAttributes.ATTR_READ_ONLY |
FATDirectoryAttributes.ATTR_SYSTEM)) == attr;
}
private bool ValidAttribute(FATDirectoryAttributes attr)
{
return(attr == FATDirectoryAttributes.ATTR_LONG_NAME ||
attr == FATDirectoryAttributes.ATTR_VOLUME_ID ||
(attr & (FATDirectoryAttributes.ATTR_ARCHIVE |
FATDirectoryAttributes.ATTR_DIRECTORY |
FATDirectoryAttributes.ATTR_HIDDEN |
FATDirectoryAttributes.ATTR_READ_ONLY |
FATDirectoryAttributes.ATTR_SYSTEM)) == attr);
}
public DirectoryEntry(FileSystemFAT fileSystem, long offset)
{
byte[] data = fileSystem.Store.GetBytes((ulong)offset, DIR_ENTRY_SIZE);
DIR_Name = ASCIIEncoding.ASCII.GetString(data, 0, 11);
DIR_Attr = (FATDirectoryAttributes)data[11];
DIR_NTRes = data[12];
DIR_CrtTimeTenth = data[13];
DIR_CrtTime = BitConverter.ToUInt16(data, 14);
DIR_CrtDate = BitConverter.ToUInt16(data, 16);
DIR_LstAccDate = BitConverter.ToUInt16(data, 18);
DIR_FstClusHI = BitConverter.ToUInt16(data, 20);
DIR_WrtTime = BitConverter.ToUInt16(data, 22);
DIR_WrtDate = BitConverter.ToUInt16(data, 24);
DIR_FstClusLO = BitConverter.ToUInt16(data, 26);
DIR_FileSize = BitConverter.ToUInt32(data, 28);
Free = data[0] == 0x0 || data[0] == 0x05 || data[0] == 0xE5;
Last = data[0] == 0x0;
string filename = DIR_Name.Substring(0, 8).Trim().ToLower();
string ext = DIR_Name.Substring(8).Trim().ToLower();
FileName = filename;
if (ext != "")
{
if ((Attributes & FATDirectoryAttributes.ATTR_VOLUME_ID) == 0)
{
FileName += ".";
}
FileName += ext;
}
Offset = fileSystem.GetDiskOffsetOfFATCluster(ClusterNum);
if (LongNameEntry)
{
LongName = string.Concat(Encoding.Unicode.GetString(data, 1, 10),
Encoding.Unicode.GetString(data, 14, 12),
Encoding.Unicode.GetString(data, 28, 4));
}
}
public DirectoryEntry(FileSystemFAT fileSystem, long offset) {
byte[] data = fileSystem.Store.GetBytes((ulong)offset, DIR_ENTRY_SIZE);
DIR_Name = ASCIIEncoding.ASCII.GetString(data, 0, 11);
DIR_Attr = (FATDirectoryAttributes)data[11];
DIR_NTRes = data[12];
DIR_CrtTimeTenth = data[13];
DIR_CrtTime = BitConverter.ToUInt16(data, 14);
DIR_CrtDate = BitConverter.ToUInt16(data, 16);
DIR_LstAccDate = BitConverter.ToUInt16(data, 18);
DIR_FstClusHI = BitConverter.ToUInt16(data, 20);
DIR_WrtTime = BitConverter.ToUInt16(data, 22);
DIR_WrtDate = BitConverter.ToUInt16(data, 24);
DIR_FstClusLO = BitConverter.ToUInt16(data, 26);
DIR_FileSize = BitConverter.ToUInt32(data, 28);
Free = data[0] == 0x0 || data[0] == 0x05 || data[0] == 0xE5;
Last = data[0] == 0x0;
string filename = DIR_Name.Substring(0, 8).Trim().ToLower();
string ext = DIR_Name.Substring(8).Trim().ToLower();
FileName = filename;
if (ext != "") {
if ((Attributes & FATDirectoryAttributes.ATTR_VOLUME_ID) == 0) {
FileName += ".";
}
FileName += ext;
}
Offset = fileSystem.GetDiskOffsetOfFATCluster(ClusterNum);
if (LongNameEntry) {
LongName = string.Concat(Encoding.Unicode.GetString(data, 1, 10),
Encoding.Unicode.GetString(data, 14, 12),
Encoding.Unicode.GetString(data, 28, 4));
}
}
