public void SimpleTest()
{
//String setofchars=Get256Chars();
String setofchars = "" + (char)0x01 + (char)0x02;
QPEncoder qpencoder = QPEncoder.GetInstance();
StringReader sr = new StringReader(setofchars);
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
qpencoder.Encode(sr, sw, System.Text.Encoding.GetEncoding("iso-8859-1"));
Assert.AreEqual("=01=02", sb.ToString());
}
public void LineLengthTest()
{
String line = "12345678901234567890123456789012345678901234567890123456789012345678901234567890";
String expectedresult = "1234567890123456789012345678901234567890123456789012345678901234567890123456=\r\n7890";
QPEncoder qpencoder = QPEncoder.GetInstance();
StringReader sr = new StringReader(line);
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
qpencoder.Encode(sr, sw, System.Text.Encoding.GetEncoding("iso-8859-1"));
Assert.AreEqual(expectedresult, sb.ToString());
Assert.AreEqual(expectedresult, qpencoder.EncodeString(line, System.Text.Encoding.GetEncoding("iso-8859-1")));
}
/// <summary>
/// Encodes a string in "Mime Word"
/// </summary>
/// <param name="Src">The string to encode</param>
/// <param name="Encoding">The string charset Encoding</param>
/// <param name="TransfertEncoding">The transfert encoding</param>
/// <param name="Maxlength">Maximum number of char beetween 2 CRLF</param>
///
/// <returns>A MimeWord encoded string</returns>
public static string Encode(string Src, System.Text.Encoding Encoding, EncodingIdentifier TransfertEncoding, int Maxlength)
{
StringBuilder st = new StringBuilder(Src.Length);
switch (TransfertEncoding)
{
case EncodingIdentifier.QuotedPrintable:
{
string suffix = "?=";
string prefix = "=?" + Encoding.BodyName + "?q?";
int len = prefix.Length + suffix.Length;
st.Append(prefix);
for (int i = 0; i < Src.Length; i++)
{
string tmp = QPEncoder.Encode(Src[i], Encoding);
if (len + tmp.Length >= Maxlength)
{
st.AppendFormat("{0}\r\n", suffix);
len = prefix.Length + suffix.Length;
st.Append(prefix);
}
st.Append(tmp);
len += tmp.Length;
}
st.Append("?=");
}
break;
case EncodingIdentifier.Base64:
st.AppendFormat("=?{0}?b?{1}?=",
Encoding.BodyName,
MimeEncoder.StringBase64(Src, Encoding, 78));
break;
default:
throw (new ArgumentOutOfRangeException("TransfertEncoding", TransfertEncoding, "Invalid transfert identifier"));
}
return(st.ToString());
}