/// <summary>
/// Formats a given name to a valid file system name.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>A file system name.</returns>
public static string FormatFileSystemName(string name)
{
Match match = Utf8Regex.Match(name);
if (match.Success)
{
name = MailMessageRFCDecoder.GetStringFromBase64(match.Groups[1].Value, "UTF-8");
}
else if ((match = IsoRegex.Match(name)).Success)
{
name = MailMessageRFCDecoder.GetStringFromQuotedPrintable(match.Groups[1].Value, "iso-8859-1");
}
Regex invalidFileSystemNameRegex = new Regex(@"[" + string.Join("", Path.GetInvalidFileNameChars()) + "]+");
if (invalidFileSystemNameRegex.IsMatch(name))
{
return(invalidFileSystemNameRegex.Replace(name, ""));
}
return(name);
}
public string Parse(byte[] source, EContentTransferEncoding contentTransferEncoding, string charset)
{
Encoding encoding;
switch (contentTransferEncoding)
{
case EContentTransferEncoding.Base64:
return(MailMessageRFCDecoder.GetStringFromBase64(source, charset));
case EContentTransferEncoding.QuotedPrintable:
return(MailMessageRFCDecoder.GetStringFromQuotedPrintable(source, charset));
}
try
{
encoding = Encoding.GetEncoding(charset);
}
catch (ArgumentException)
{
return(Encoding.UTF8.GetString(source, 0, source.Length));
}
return(encoding.GetString(source, 0, source.Length));
}