public static FileInfo FromString(string s)
{
FileInfo fileInfo;
var match = statLineRegex.Match(s);
if (!match.Success)
{
throw new ArgumentException("Invalid stat string");
}
fileInfo = new FileInfo();
// Determine if file is file, directory or symlink
switch (match.Groups[1].Value)
{
case "-": fileInfo.IsFile = true;
break;
case "d": fileInfo.IsDirectory = true;
break;
case "l": fileInfo.IsSymbolicLink = true;
break;
}
// Set permissions
fileInfo.FilePermissions = FilePermissionCollection.FromString(match.Groups[2].Value);
// Hard link count
fileInfo.HardLinkCount = Convert.ToInt32(match.Groups[3].Value);
// Owner/group
fileInfo.Owner = match.Groups[4].Value;
fileInfo.Group = match.Groups[5].Value;
// File size
fileInfo.FileSize = Convert.ToInt32(match.Groups[6].Value);
// Modification date
DateTime modificationDate;
if (!DateTime.TryParseExact(match.Groups[7].Value, "MMM dd HH:mm", CultureInfo.InvariantCulture, DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.AssumeUniversal, out modificationDate))
{
DateTime.TryParseExact(match.Groups[7].Value, "MMM dd yyyy", CultureInfo.InvariantCulture, DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.AssumeUniversal, out modificationDate);
}
fileInfo.ModificationDate = modificationDate;
// Filename
fileInfo.FileName = match.Groups[8].Value;
return(fileInfo);
}
public static FilePermissionCollection FromString(string permissions)
{
permissions = permissions?.Trim() ?? "---------";
var fp = new FilePermissionCollection();
if (permissions.Length != 9)
{
throw new ArgumentException("Permission string must be 9 characters long");
}
if (string.IsNullOrWhiteSpace(permissions))
{
return(new FilePermissionCollection());
}
fp.User = FilePermissionSet.FromString(permissions.Substring(0, 3));
fp.Group = FilePermissionSet.FromString(permissions.Substring(3, 3));
fp.Other = FilePermissionSet.FromString(permissions.Substring(6, 3));
return(fp);
}
