public static string Parse(string strForParsing, string checkEncodedStr, string patternEncoding,
string patternWithOutEncoding, string strGroupNameToDecode,
string strCharset = "charset",
string strEncoding = "encoding")
{
bool isEncoded = strForParsing.Contains(checkEncodedStr);
string changedPattern = isEncoded ? patternEncoding : patternWithOutEncoding;
Regex regex = new Regex(changedPattern);
Match match;
if (isEncoded)
{
match = regex.Match(strForParsing);
string encoding = match.Groups[strEncoding].Value;
string charset = match.Groups[strCharset].Value;
string groupName = match.Groups[strGroupNameToDecode].Value;
Regex regexEnc = new Regex(MailMessageRegExPattern.EncodedString);
MatchCollection matchCollection = regexEnc.Matches(groupName);
string encodedData = string.Empty;
IMailEncoder mailEncoder = MailEncoding.GetMailEncoder(encoding);
string decodedString = string.Empty;
foreach (Match m in matchCollection)
{
encodedData += m.Groups["data"];
if (encodedData.EndsWith("="))
{
string decodedPart = mailEncoder.Decode(encodedData, charset);
decodedString += decodedPart;
encodedData = string.Empty;
}
}
if (!string.IsNullOrEmpty(encodedData))
{
decodedString += mailEncoder.Decode(encodedData, charset);
}
return(decodedString);
}
match = regex.Match(strForParsing);
return(match.Groups[strGroupNameToDecode].Value);
}
public static string Parse(Match match, bool isEncoded, string strGroupNameToDecode,
string strCharset = "charset",
string strEncoding = "encoding")
{
string matchedStr = match.Groups[strGroupNameToDecode].Value;
if (!isEncoded)
{
return(matchedStr);
}
string encoding = match.Groups[strEncoding].Value;
string charset = match.Groups[strCharset].Value;
Regex regex = new Regex(MailMessageRegExPattern.EncodedString);
MatchCollection matchCollection = regex.Matches(matchedStr);
string encodedData = string.Empty;
IMailEncoder mailEncoder = MailEncoding.GetMailEncoder(encoding);
string decodedString = string.Empty;
foreach (Match m in matchCollection)
{
encodedData += m.Groups["data"];
if (encodedData.EndsWith("="))
{
string decodedPart = mailEncoder.Decode(encodedData, charset);
decodedString += decodedPart;
encodedData = string.Empty;
}
}
if (!string.IsNullOrEmpty(encodedData))
{
decodedString += mailEncoder.Decode(encodedData, charset);
}
return(decodedString);
}