public static IList <DirectoryListItem> GetDirectoryList(string datastring)
{
try {
var myListArray = new List <DirectoryListItem>();
var dataRecords = datastring.Split('\n');
var directoryListStyle = GuessDirectoryListingStyle(dataRecords);
foreach (var s in dataRecords)
{
if (directoryListStyle != EDirectoryListingStyle.Unknown && s != "")
{
var f = new DirectoryListItem();
f.Name = "..";
switch (directoryListStyle)
{
case EDirectoryListingStyle.UnixStyle:
f = ParseDirectoryListItemFromUnixStyleRecord(s);
break;
case EDirectoryListingStyle.WindowsStyle:
f = ParseDirectoryListItemFromWindowsStyleRecord(s);
break;
}
if (!(f == null || f.Name == "." || f.Name == ".."))
{
myListArray.Add(f);
}
}
}
return(myListArray);
} catch (Exception ex) {
throw new FtpException("Unable to parse the directory list", ex);
}
}
private static DirectoryListItem ParseDirectoryListItemFromWindowsStyleRecord(string record)
{
//Assuming the record style as
// 02-03-04 07:46PM <DIR> Append
var f = new DirectoryListItem();
var processstr = record.Trim();
var dateStr = processstr.Substring(0, 8);
processstr = processstr.Substring(8, processstr.Length - 8).Trim();
var timeStr = processstr.Substring(0, 7);
processstr = processstr.Substring(7, processstr.Length - 7).Trim();
f.CreationTime = DateTime.Parse(dateStr + " " + timeStr, CultureInfo.GetCultureInfo("en-US"));
if (processstr.Substring(0, 5) == "<DIR>")
{
f.IsDirectory = true;
processstr = processstr.Substring(5, processstr.Length - 5).Trim();
}
else
{
f.IsDirectory = false;
var i = processstr.IndexOf(' ');
f.Size = ulong.Parse(processstr.Substring(0, i));
processstr = processstr.Substring(i + 1);
}
f.Name = processstr; //Rest is name
return(f);
}
private static DirectoryListItem ParseDirectoryListItemFromUnixStyleRecord(string record)
{
//Assuming record style as
// dr-xr-xr-x 1 owner group 0 Nov 25 2002 bussys
// Mac OS X - tnftpd returns the total on the first line
if (record.ToLower().StartsWith("total "))
{
return(null);
}
var f = new DirectoryListItem();
var processstr = record.Trim();
processstr = processstr.Substring(processstr.IndexOf(' ') - 10);
f.Flags = processstr.Substring(0, 10);
f.IsDirectory = f.Flags[0] == 'd';
// Note: there is no way to determine here if the symlink refers to a dir or a file
f.IsSymLink = f.Flags[0] == 'l';
processstr = processstr.Substring(11).Trim();
CutSubstringFromStringWithTrim(ref processstr, " ", 0); //skip one part
f.Owner = CutSubstringFromStringWithTrim(ref processstr, " ", 0);
f.Group = CutSubstringFromStringWithTrim(ref processstr, " ", 0);
f.Size = ulong.Parse(CutSubstringFromStringWithTrim(ref processstr, " ", 0));
var creationTimeStr = CutSubstringFromStringWithTrim(ref processstr, " ", 8);
string dateFormat;
if (creationTimeStr.IndexOf(':') < 0)
{
dateFormat = "MMM dd yyyy";
}
else
{
dateFormat = "MMM dd H:mm";
}
// Some servers (e.g.: Mac OS X 10.5 - tnftpd) return days < 10 without a leading 0
if (creationTimeStr[4] == ' ')
{
creationTimeStr = creationTimeStr.Substring(0, 4) + "0" + creationTimeStr.Substring(5);
}
f.CreationTime = DateTime.ParseExact(creationTimeStr, dateFormat, CultureInfo.GetCultureInfo("en-US"), DateTimeStyles.AllowWhiteSpaces);
if (f.IsSymLink && processstr.IndexOf(UnixSymLinkPathSeparator) > 0)
{
f.Name = CutSubstringFromStringWithTrim(ref processstr, UnixSymLinkPathSeparator, 0);
f.SymLinkTargetPath = processstr;
}
else
{
f.Name = processstr; //Rest of the part is name
}
return(f);
}
