/// <summary>
/// Parse charset.
/// </summary>
/// <param name="headers"></param>
/// <returns></returns>
private string ParseCharSet(string headers)
{
string charset = MimeParser.ParseHeaderFiledSubField("Content-Type:", "charset", headers);
// charset ends with ; remove it. Is it right place to do or can it be done MimeParser.ParseHeaderFiledSubField
if (charset.EndsWith(";"))
{
charset = charset.Substring(0, charset.Length - 1);
}
if (charset.Length > 0)
{
try{
Encoding.GetEncoding(charset);
return(charset);
}
catch {
return("ascii");
}
}
// If no charset, consider it as ascii
else
{
return("ascii");
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="mimeEntry"></param>
/// <param name="mime"></param>
public MimeEntry(byte[] mimeEntry, MimeParser mime)
{
MemoryStream entryStrm = new MemoryStream(mimeEntry);
m_Headers = MimeParser.ParseHeaders(entryStrm);
m_ContentType = mime.ParseContentType(m_Headers);
m_Entries = new ArrayList();
// != multipart content
if (m_ContentType.ToLower().IndexOf("multipart") == -1)
{
m_CharSet = ParseCharSet(m_Headers);
m_ContentEncoding = ParseEncoding(m_Headers);
m_Data = new byte[entryStrm.Length - entryStrm.Position];
entryStrm.Read(m_Data, 0, m_Data.Length);
}
// multipart content, get nested entries
else
{
long s = (int)entryStrm.Position;
string boundaryID = MimeParser.ParseHeaderFiledSubField("Content-Type:", "boundary", m_Headers);
m_Entries = mime.ParseEntries(entryStrm, (int)entryStrm.Position, boundaryID);
entryStrm.Position = s;
m_Data = new byte[entryStrm.Length - s];
entryStrm.Read(m_Data, 0, m_Data.Length);
}
}
