internal static ImmutableList <Clause> ReadClauses(ref JReader r)
{
var builder = ImmutableList.CreateBuilder <Clause>();
for (var arr = r.ArrayOrNull(); arr.Next(ref r);)
{
UserAttribute attribute = new UserAttribute();
Operator op = null;
ImmutableList <LdValue> values = null;
bool negate = false;
for (var obj = r.Object(); obj.Next(ref r);)
{
switch (obj.Name)
{
case var n when n == "attribute":
attribute = UserAttribute.ForName(r.String());
break;
case var n when n == "op":
op = Operator.ForName(r.String());
// Operator.ForName never returns null - unrecognized operators return a stub object
break;
case var n when n == "values":
values = ReadValues(ref r);
break;
case var n when n == "negate":
negate = r.Bool();
break;
}
}
builder.Add(new Clause(attribute, op, values, negate));
}
return(builder.ToImmutable());
}
public ClauseBuilder Op(string opName) => Op(Operator.ForName(opName));
private static bool ApplyOperator(string opName, LdValue userValue, LdValue clauseValue) => ApplyOperator(Operator.ForName(opName), userValue, clauseValue);