/**
* builds mail/news body with uuencoded attachments
*/
public static string BuildBodyWithUUEncodedInsertions(string body, string charset, params string[] fullnames)
{
if (fullnames.Length == 0)
{
return(EscapeSinglePeriodsAndTranslateToCharset(body, charset));
}
StringBuilder bodyBuilder = StringBuilderPool.Alloc();
try
{
bodyBuilder.Append(body);
foreach (string fullname in fullnames)
{
FileStream fs = OpenAttachment(fullname);
if (fs != null)
{
bodyBuilder.Append("\r\nbegin 777 ");
bodyBuilder.Append(Path.GetFileName(fullname));
byte[] bytes = new byte[_UULinePreferredLen];
int read;
while ((read = fs.Read(bytes, 0, bytes.Length)) > 0)
{
bodyBuilder.Append("\r\n");
bodyBuilder.Append(UUParser._UUAlphabet[read]);
bodyBuilder.Append(UUParser.Encode(bytes, read));
}
bodyBuilder.Append("\r\n`\r\nend");
}
}
return(EscapeSinglePeriodsAndTranslateToCharset(bodyBuilder.ToString(), charset));
}
finally
{
StringBuilderPool.Dispose(bodyBuilder);
}
}
private void ProcessSinglePlainBody(string[] lines)
{
string filename = string.Empty;
bool inBody = true;
int partLen = 0;
string line;
for (int i = 0; i < lines.Length; ++i)
{
line = lines[i].TrimEnd('\r');
if (inBody && line.StartsWith("begin"))
{
string[] attachHeaders = line.TrimEnd(' ').Split(' ');
if (attachHeaders.Length > 2)
{
string fattr = attachHeaders[1];
bool fattrOk = fattr.Length >= 3;
if (fattrOk)
{
for (int j = 0; j < fattr.Length; ++j)
{
if (!(fattrOk = Char.IsDigit(fattr[j])))
{
break;
}
}
}
if (fattrOk)
{
filename = attachHeaders[2];
for (int j = 3; j < attachHeaders.Length; ++j)
{
filename += attachHeaders[j];
}
inBody = false;
partLen = 0;
continue;
}
}
}
else if (!inBody && line.StartsWith("end"))
{
if (_partBuilder.Length > 0)
{
if (partLen > 0)
{
byte[] bytes = UUParser.Decode(_partBuilder.ToString());
if (partLen > bytes.Length)
{
partLen = bytes.Length;
}
MessagePart attachment = new MessagePart(bytes, partLen, filename);
attachment.PartType = MessagePartTypes.Inline;
_parts.Add(attachment);
}
_partBuilder.Length = 0;
}
inBody = true;
continue;
}
if (inBody)
{
_bodyBuilder.Append(line);
_bodyBuilder.Append("\r\n");
}
else
{
if (line.Length > 1 && line[0] != '`')
{
partLen += UUParser._UUAlphabet.IndexOf(line[0]);
_partBuilder.Append(line, 1, line.Length - 1);
}
}
}
}
