TryReadReverseQuoted()

static bool System.Net.Mail.QuotedStringFormatReader.TryReadReverseQuoted ( string data, int index, bool permitUnicode, out int outIndex, bool throwExceptionIfFail )

inlinestaticpackage

Definition at line 7 of file QuotedStringFormatReader.cs.

    {
        index--;
        do
        {
            if (!WhitespaceReader.TryReadFwsReverse(data, index, out index, throwExceptionIfFail))
            {
                outIndex = 0;
                return false;
            }
            if (index < 0)
            {
                break;
            }
            if (!QuotedPairReader.TryCountQuotedChars(data, index, permitUnicode, out var outIndex2, throwExceptionIfFail))
            {
                outIndex = 0;
                return false;
            }
            if (outIndex2 > 0)
            {
                index -= outIndex2;
                continue;
            }
            if (data[index] == '"')
            {
                outIndex = index - 1;
                return true;
            }
            if (!IsValidQtext(permitUnicode, data[index]))
            {
                if (throwExceptionIfFail)
                {
                    throw new FormatException(System.SR.Format(System.SR.MailHeaderFieldInvalidCharacter, data[index]));
                }
                outIndex = 0;
                return false;
            }
            index--;
        }
        while (index >= 0);
        if (throwExceptionIfFail)
        {
            throw new FormatException(System.SR.Format(System.SR.MailHeaderFieldInvalidCharacter, '"'));
        }
        outIndex = 0;
        return false;
    }

References System.SR.Format(), System.index, System.Net.Mail.QuotedStringFormatReader.IsValidQtext(), System.SR.MailHeaderFieldInvalidCharacter, System.Net.Mail.QuotedPairReader.TryCountQuotedChars(), and System.Net.Mail.WhitespaceReader.TryReadFwsReverse().

Referenced by System.Net.Mail.MailAddressParser.TryParseDisplayName(), and System.Net.Mail.MailAddressParser.TryParseLocalPart().