private static object GetSingleValue(Type type, RsqlParser.ComparisonContext context)
{
type = type ?? throw new ArgumentNullException(nameof(type));
context = context ?? throw new ArgumentNullException(nameof(context));
var value = context.arguments().value();
if (value.Length > 1)
{
throw new TooManyArgumentsException(context);
}
return(ValueParser.GetValue(type, value.First()));
}
public Expression <Func <T, bool> > InComparator <T>(ParameterExpression parameter, RsqlParser.ComparisonContext context)
{
parameter = parameter ?? throw new ArgumentNullException(nameof(parameter));
context = context ?? throw new ArgumentNullException(nameof(context));
var expressionPath = this._propertyAccessor.ParsePath(parameter, context.selector().GetText());
this.EnsureEquatable(expressionPath.Type, context);
var values = ValueParser.GetValues(expressionPath.Type, context.arguments());
var methodContainsInfo = ContainsHelper.GetOrRegistryContainsMethodInfo(expressionPath.Type);
return(Expression.Lambda <Func <T, bool> >(
ComparisonBuilder.PathNotNull(
expressionPath,
Expression.Call(
Expression.Constant(methodContainsInfo.Convert(values)),
methodContainsInfo.ContainsMethod,
expressionPath.Expression)),
parameter));
}
