private Asn1Tagged parseFilterComp()
{
Asn1Tagged tag = null;
int filterComp = ft.OpOrAttr;
switch (filterComp)
{
case AND:
case OR:
tag = new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, true, filterComp), parseFilterList(), false);
break;
case NOT:
tag = new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, true, filterComp), parseFilter(), true);
break;
default:
int filterType = ft.FilterType;
System.String value_Renamed = ft.Value;
switch (filterType)
{
case GREATER_OR_EQUAL:
case LESS_OR_EQUAL:
case APPROX_MATCH:
tag = new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, true, filterType), new RfcAttributeValueAssertion(new RfcAttributeDescription(ft.Attr), new RfcAssertionValue(unescapeString(value_Renamed))), false);
break;
case EQUALITY_MATCH:
if (value_Renamed.Equals("*"))
{
// present
tag = new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, false, PRESENT), new RfcAttributeDescription(ft.Attr), false);
}
else if (value_Renamed.IndexOf((System.Char) '*') != - 1)
{
// substrings parse:
// [initial], *any*, [final] into an Asn1SequenceOf
SupportClass.Tokenizer sub = new SupportClass.Tokenizer(value_Renamed, "*", true);
// SupportClass.Tokenizer sub = new SupportClass.Tokenizer(value_Renamed, "*");//, true);
Asn1SequenceOf seq = new Asn1SequenceOf(5);
int tokCnt = sub.Count;
int cnt = 0;
System.String lastTok = new System.Text.StringBuilder("").ToString();
while (sub.HasMoreTokens())
{
System.String subTok = sub.NextToken();
cnt++;
if (subTok.Equals("*"))
{
// if previous token was '*', and since the current
// token is a '*', we need to insert 'any'
if (lastTok.Equals(subTok))
{
// '**'
seq.add(new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, false, ANY), new RfcLdapString(unescapeString("")), false));
}
}
else
{
// value (RfcLdapString)
if (cnt == 1)
{
// initial
seq.add(new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, false, INITIAL), new RfcLdapString(unescapeString(subTok)), false));
}
else if (cnt < tokCnt)
{
// any
seq.add(new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, false, ANY), new RfcLdapString(unescapeString(subTok)), false));
}
else
{
// final
seq.add(new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, false, FINAL), new RfcLdapString(unescapeString(subTok)), false));
}
}
lastTok = subTok;
}
tag = new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, true, SUBSTRINGS), new RfcSubstringFilter(new RfcAttributeDescription(ft.Attr), seq), false);
}
else
{
// simple
tag = new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, true, EQUALITY_MATCH), new RfcAttributeValueAssertion(new RfcAttributeDescription(ft.Attr), new RfcAssertionValue(unescapeString(value_Renamed))), false);
}
break;
case EXTENSIBLE_MATCH:
System.String type = null, matchingRule = null;
bool dnAttributes = false;
// SupportClass.Tokenizer st = new StringTokenizer(ft.Attr, ":", true);
SupportClass.Tokenizer st = new SupportClass.Tokenizer(ft.Attr, ":");//, true);
bool first = true;
while (st.HasMoreTokens())
{
System.String s = st.NextToken().Trim();
if (first && !s.Equals(":"))
{
type = s;
}
// dn must be lower case to be considered dn of the Entry.
else if (s.Equals("dn"))
{
dnAttributes = true;
}
else if (!s.Equals(":"))
{
matchingRule = s;
}
first = false;
}
tag = new Asn1Tagged(new Asn1Identifier(Asn1Identifier.CONTEXT, true, EXTENSIBLE_MATCH), new RfcMatchingRuleAssertion(((System.Object) matchingRule == null)?null:new RfcMatchingRuleId(matchingRule), ((System.Object) type == null)?null:new RfcAttributeDescription(type), new RfcAssertionValue(unescapeString(value_Renamed)), (dnAttributes == false)?null:new Asn1Boolean(true)), false);
break;
}
break;
}
return tag;
}
