public override void ExitOperatorOptionsSpecified(NSPredicateParser.OperatorOptionsSpecifiedContext context)
{
string optStr = context.IDENTIFIER().GetText().ToLower();
ComparisonPredicateOptions opts = 0;
if (optStr.Contains("c")) {
opts |= ComparisonPredicateOptions.CaseInsensitive;
}
if (optStr.Contains("d")) {
opts |= ComparisonPredicateOptions.DiacriticInsensitive;
}
ComparisonOptions.Push(opts);
}
// | IDENTIFIER # ExprKeypathIdentifier
public override void ExitExprKeypathIdentifier(NSPredicateParser.ExprKeypathIdentifierContext context)
{
var identifier = context.IDENTIFIER().GetText();
Stack.Push(Expr.MakeKeyPath(identifier));
}
// | IDENTIFIER '(' ')' # ExprNoArgFunction
public override void ExitExprNoArgFunction(NSPredicateParser.ExprNoArgFunctionContext context)
{
string fn = context.IDENTIFIER().GetText().ToLower();
Stack.Push(Expr.MakeFunction(fn));
}
// | '@' IDENTIFIER # ExprKeypathAtIdentifier
public override void ExitExprKeypathAtIdentifier(NSPredicateParser.ExprKeypathAtIdentifierContext context)
{
var identifier = context.IDENTIFIER().GetText();
Debug.Assert(identifier is string);
Stack.Push(Expr.MakeKeyPath("@" + identifier));
}