public EnhancedStatusCodeImpl(string code)
{
if (!EnhancedStatusCodeImpl.IsValid(code))
{
throw new FormatException(string.Format("This enhanced status code ({0}) isn't properly formatted. Enhanced status codes are in the form of x.y.z where the first digit must be 2, 4, or 5.", code));
}
this.code = code;
}
public static bool TryParse(string line, int startIndex, out EnhancedStatusCodeImpl enhancedStatusCode)
{
enhancedStatusCode = null;
int length;
if (!EnhancedStatusCodeImpl.CodeLength(line, startIndex, out length))
{
return(false);
}
enhancedStatusCode = new EnhancedStatusCodeImpl();
enhancedStatusCode.code = line.Substring(startIndex, length);
return(true);
}
private static SmtpResponseParser.ValidationResult ValidateLine(string line, string statusCode, ref string enhancedStatusCode)
{
bool flag = false;
if (line.Length < 3)
{
return(SmtpResponseParser.ValidationResult.Error);
}
if (string.CompareOrdinal(statusCode, 0, line, 0, 3) != 0)
{
return(SmtpResponseParser.ValidationResult.Error);
}
if (line.Length == 3)
{
enhancedStatusCode = string.Empty;
return(SmtpResponseParser.ValidationResult.LastLine);
}
if (line[3] == ' ')
{
flag = true;
}
else if (line[3] != '-')
{
return(SmtpResponseParser.ValidationResult.Error);
}
int num = 0;
if (!string.IsNullOrEmpty(enhancedStatusCode))
{
EnhancedStatusCodeImpl enhancedStatusCodeImpl;
string text = EnhancedStatusCodeImpl.TryParse(line, 4, out enhancedStatusCodeImpl) ? enhancedStatusCodeImpl.Value : null;
if (string.IsNullOrEmpty(text) || !text.Equals(enhancedStatusCode, StringComparison.Ordinal))
{
enhancedStatusCode = string.Empty;
}
num = enhancedStatusCode.Length;
}
for (int i = 4 + num; i < line.Length; i++)
{
if (line[i] < '\u0001' || line[i] > '\u007f')
{
return(SmtpResponseParser.ValidationResult.Error);
}
}
if (!flag)
{
return(SmtpResponseParser.ValidationResult.HasMoreLines);
}
return(SmtpResponseParser.ValidationResult.LastLine);
}
private static bool ParseResponseArray(List <string> lines, out string[] result)
{
result = null;
if (lines == null || lines.Count == 0)
{
return(false);
}
if (!SmtpResponseParser.IsValidStatusCode(lines[0]))
{
return(false);
}
string text = lines[0].Substring(0, 3);
EnhancedStatusCodeImpl enhancedStatusCodeImpl;
string text2 = EnhancedStatusCodeImpl.TryParse(lines[0], 4, out enhancedStatusCodeImpl) ? enhancedStatusCodeImpl.Value : string.Empty;
if (!SmtpResponseParser.ValidateLines(lines, text, ref text2))
{
return(false);
}
int num = 4;
if (!string.IsNullOrEmpty(text2))
{
num += text2.Length;
if (num < lines[0].Length && lines[0][num] == ' ')
{
num++;
}
}
List <string> list = new List <string>(lines.Count);
for (int i = 0; i < lines.Count; i++)
{
string text3 = (lines[i].Length > num) ? lines[i].Substring(num) : string.Empty;
if (!string.IsNullOrEmpty(text3))
{
list.Add(text3);
}
}
if (list.Count == 0 && lines.Count > 1)
{
return(false);
}
result = new string[list.Count + 2];
result[0] = text;
result[1] = text2;
list.CopyTo(result, 2);
return(true);
}
public override bool Equals(object obj)
{
EnhancedStatusCodeImpl enhancedStatusCodeImpl = obj as EnhancedStatusCodeImpl;
return(enhancedStatusCodeImpl != null && this == enhancedStatusCodeImpl);
}
public static bool IsValid(string status)
{
int num;
return(EnhancedStatusCodeImpl.CodeLength(status, 0, out num) && num == status.Length);
}
public static bool TryParse(string code, out EnhancedStatusCodeImpl enhancedStatusCode)
{
return(EnhancedStatusCodeImpl.TryParse(code, 0, out enhancedStatusCode));
}