private void _setMimeVersion()
{
if (this is MimeMessage)
{
if (_fields["MIME-Version"] == null)
{
_fields.Add(new MimeField("MIME-Version", "1.0"));
}
}
}
public MimeFields ReadFields()
{
bool xheader = true;
MimeFields fields = new MimeFields();
while (ReadLine(true) && _curLength > 0)
{
int i = _curLineIndexOf(':');
if (i < 0)
{
throw new MimeException("Syntax error in field ':' not found).");
}
if (i < _curLength - 1 && _curLine[i + 1] != ' ')
{
throw new MimeException("Syntax error in field ': ' not found).");
}
string Name = _curLineToString(0, i);
string Value = _curLineToString(i + 2, _curLength - (i + 2));
if (xheader)
{
if (Name.StartsWith("x-", StringComparison.Ordinal))
{
_positionBeginMessage = _position;
}
else
{
xheader = false;
}
}
fields.Add(new MimeField(Name, Value, true));
}
return(fields);
}
protected void MimeParse(string mimeValue, bool readOnly)
{
int Position = 0;
if (mimeValue is null)
{
if (readOnly)
{
throw new ArgumentNullException(nameof(mimeValue));
}
return;
}
try {
MimeLexicalToken typeToken;
MimeLexicalToken sepToken;
MimeLexicalToken nameToken;
MimeLexicalToken valueToken;
typeToken = MimeLexicalToken.Parse(mimeValue, ref Position);
if (typeToken.Type != MimeLexicalTokenType.Atom)
{
throw new Exception("invalid type");
}
_type = typeToken.GetString(mimeValue);
while ((sepToken = MimeLexicalToken.ParseSkipWhiteSpaceComment(mimeValue, ref Position)).Type == MimeLexicalTokenType.SemiColon)
{
nameToken = MimeLexicalToken.ParseSkipWhiteSpaceComment(mimeValue, ref Position);
if (nameToken.Type != MimeLexicalTokenType.Atom)
{
throw new Exception("invalid paramater name.");
}
if (MimeLexicalToken.ParseSkipWhiteSpaceComment(mimeValue, ref Position).Type != MimeLexicalTokenType.Assign)
{
throw new Exception("invalid paramater name.");
}
valueToken = MimeLexicalToken.ParseSkipWhiteSpaceComment(mimeValue, ref Position);
if (valueToken.Type != MimeLexicalTokenType.Atom && valueToken.Type != MimeLexicalTokenType.QuotedString)
{
throw new Exception("invalid paramater value.");
}
if (_parameters == null)
{
_parameters = new MimeFields();
}
_parameters.Add(new MimeField(nameToken.GetString(mimeValue), valueToken.GetString(mimeValue)));
}
if (sepToken.Type != MimeLexicalTokenType.EOL)
{
throw new Exception("extra data.");
}
if (readOnly)
{
_readOnly = true;
if (_parameters != null)
{
_parameters.SetCollectionReadOnly();
}
}
}
catch (Exception Err) {
throw new MimeException("Invalid mime field value '" + mimeValue + "'," + Err.Message);
}
}
