private static string ToExpressionValue(Node value, CartoReaderContext cntx)
{
string result = null;
Number num = value as Number;
if (num != null)
result = num.Value.ToString();
else
{
Quoted quoted = value as Quoted;
if (quoted != null)
result = QuoteValue(quoted.Value.ToString());
else
result = cntx.GetValue(value);
}
return result;
}
public static string ToFilter(CartoFilterSet filterSet, CartoReaderContext cntx)
{
string result = string.Empty;
if (filterSet.Count > 0)
{
int i = 0;
foreach (CartoFilterElement filter in filterSet.Filters)
{
if (i != 0)
result += " and ";
result += cntx.Translator.ToFilter(cntx.GetValue( filter.Key), ToExpressionOperator(filter.Op), ToExpressionValue(filter.Value, cntx));
i++;
}
}
return result;
}