public static string MakeShortFileName(this string path)
{
string dir = Path.GetDirectoryName(path);
string longName = Path.GetFileName(path);
// if (longName.Length > 31) longName = longName.Substring(0, 31);
if (longName.Length <= 31 && IsoUtilities.IsValidFileName(longName))
{
return(path);
}
char[] shortNameChars = longName.ToUpper(CultureInfo.InvariantCulture).ToCharArray();
for (int i = 0; i < shortNameChars.Length; ++i)
{
if (!IsoUtilities.IsValidDChar(shortNameChars[i]) && shortNameChars[i] != '.' && shortNameChars[i] != ';')
{
shortNameChars[i] = '_';
}
}
string filename = new string(shortNameChars);
if (filename.Length > 31)
{
filename = filename.Substring(0, 31);
}
return(Path.Combine(dir, filename));
}
public ContinuationSystemUseEntry(string name, byte length, byte version, byte[] data, int offset)
{
CheckAndSetCommonProperties(name, length, version, 28, 1);
Block = IsoUtilities.ToUInt32FromBoth(data, offset + 4);
BlockOffset = IsoUtilities.ToUInt32FromBoth(data, offset + 12);
Length = IsoUtilities.ToUInt32FromBoth(data, offset + 20);
}
public PosixFileInfoSystemUseEntry(string name, byte length, byte version, byte[] data, int offset)
{
CheckAndSetCommonProperties(name, length, version, 36, 1);
FileMode = IsoUtilities.ToUInt32FromBoth(data, offset + 4);
NumLinks = IsoUtilities.ToUInt32FromBoth(data, offset + 12);
UserId = IsoUtilities.ToUInt32FromBoth(data, offset + 20);
GroupId = IsoUtilities.ToUInt32FromBoth(data, offset + 28);
Inode = 0;
if (length >= 44)
{
Inode = IsoUtilities.ToUInt32FromBoth(data, offset + 36);
}
}
public PosixFileInfoSystemUseEntry(byte[] data, int offset)
{
byte len = data[offset + 2];
Name = "PX";
Version = data[offset + 3];
CheckLengthAndVersion(len, 36, 1);
FileMode = IsoUtilities.ToUInt32FromBoth(data, offset + 4);
NumLinks = IsoUtilities.ToUInt32FromBoth(data, offset + 12);
UserId = IsoUtilities.ToUInt32FromBoth(data, offset + 20);
GroupId = IsoUtilities.ToUInt32FromBoth(data, offset + 28);
Inode = 0;
if (len >= 44)
{
Inode = IsoUtilities.ToUInt32FromBoth(data, offset + 36);
}
}
public ChildLinkSystemUseEntry(string name, byte length, byte version, byte[] data, int offset)
{
CheckAndSetCommonProperties(name, length, version, 12, 1);
ChildDirLocation = IsoUtilities.ToUInt32FromBoth(data, offset + 4);
}
