private void ReadHeader(Attachment atch)
{
string line = ReadLineString();
while (line != null)
{
line = line.Trim();
// End of header reached
if (line == "")
{
break;
}
string headerField = line;
line = ReadLineString();
while (line != null && (line.StartsWith("\t") || line.StartsWith(" ")))
{
headerField += line;
line = ReadLineString();
}
string[] name_value = headerField.Split(new char[] { ':' }, 2);
// There must be header field name and value, otherwise invalid header field
if (name_value.Length == 2)
{
atch.AddField(name_value[0], name_value[1]);
}
}
}
public Attachment GetNext()
{
Attachment atch = new Attachment();
ReadHeader(atch);
if (atch.Fields.Count == 0)
{
return null;
}
atch.Data = ReadContent();
return atch;
}