public ParserResult ParseNameAndOrder(string sortPropertyParameter)
{
var opts = _optionsProvider.Provide();
string name = sortPropertyParameter;
var indicatorIndex = sortPropertyParameter.IndexOf(opts.DescendingIndicator, StringComparison.Ordinal);
bool descending = indicatorIndex != -1;
var regex = new Regex(opts.StripCharsPattern);
name = regex.Replace(name, string.Empty);
return(new ParserResult(name, descending));
}
public LambdaExpression CreateExpression(Type elementType, string propertyName)
{
var names = propertyName.Split(_optionsProvider.Provide().NestedPropSeparator);
var initial = LambdaExpressionBuilder.Create()
.AddParameter(elementType)
.AccessProperty(names[0]);
initial = names.Skip(1).Aggregate(initial, (builder, prop) => builder.ThenProperty(prop));
var result = initial
.FinishAccess()
.Build();
if (!result.IsSuccessfull)
{
throw new BadMemberAccessException(string.Join('\n', result.Errors));
}
return(result.Result);
}