/*
* Get the friendly type corresponding to the given OID
* (decimal-dotted representation). If no such type is known,
* then the OID string is returned.
*/
public static string GetFriendlyType(string oid)
{
string ft;
if (OID_TO_FT.TryGetValue(oid, out ft))
{
return(ft);
}
return(oid);
}
/*
* Convert this element to a string. This uses RFC 4514 rules.
*/
public override string ToString()
{
StringBuilder sb = new StringBuilder();
string ft;
if (OID_TO_FT.TryGetValue(OID, out ft) && IsString)
{
sb.Append(ft);
sb.Append("=");
byte[] buf = Encoding.UTF8.GetBytes(Value);
for (int i = 0; i < buf.Length; i++)
{
byte b = buf[i];
if ((i == 0 && (b == ' ' || b == '#')) ||
(i == buf.Length - 1 && b == ' ') ||
MustEscape(b))
{
switch ((char)b)
{
case ' ':
case '"':
case '#':
case '+':
case ',':
case ';':
case '<':
case '=':
case '>':
case '\\':
sb.Append('\\');
sb.Append((char)b);
break;
default:
sb.AppendFormat("\\{0:X2}", b);
break;
}
}
else
{
sb.Append((char)b);
}
}
}
else
{
sb.Append(OID);
sb.Append("=#");
foreach (byte b in AsnValue.Encode())
{
sb.AppendFormat("{0:X2}", b);
}
}
return(sb.ToString());
}
internal DNPart(string oid, AsnElt val)
{
OID_ = oid;
AsnValue_ = val;
encodedValue = val.Encode();
uint hc = (uint)oid.GetHashCode();
try {
string s = val.GetString();
Value_ = s;
s = s.ToUpperInvariant().ToLowerInvariant();
StringBuilder sb = new StringBuilder();
bool lwws = true;
foreach (char c in s.Trim())
{
if (IsControl(c))
{
continue;
}
if (IsWS(c))
{
if (lwws)
{
continue;
}
lwws = true;
sb.Append(' ');
}
else
{
sb.Append(c);
}
}
int n = sb.Length;
if (n > 0 && sb[n - 1] == ' ')
{
sb.Length = n - 1;
}
normValue = sb.ToString();
hc += (uint)normValue.GetHashCode();
} catch {
if (OID_TO_FT.ContainsKey(oid))
{
throw;
}
Value_ = null;
foreach (byte b in encodedValue)
{
hc = ((hc << 7) | (hc >> 25)) ^ (uint)b;
}
}
hashCode = (int)hc;
}
