public void Order(OrderBy order)
{
values = OrderByExecutor.OrderBy(values, order);
}
public override List <string> ToList()
{
List <string> result = elements.ToList();
foreach (ISubcommand subcom in subcommands)
{
if (subcom is Where)
{
string oldThis = RuntimeVariables.GetInstance().GetValueString("this");
List <string> newresult = new List <string>();
foreach (string s in result)
{
RuntimeVariables.GetInstance().Actualize("this", s);
if ((subcom as Where).GetValue())
{
newresult.Add(s);
}
}
RuntimeVariables.GetInstance().Actualize("this", oldThis);
result = newresult;
}
if (subcom is OrderBy)
{
result = OrderByExecutor.OrderBy(result, subcom as OrderBy);
}
if (subcom is With)
{
List <string> elementsFromSubcommands = (subcom as With).GetValue();
if ((subcom as With).IsNegated())
{
//WITHOUT
result.RemoveAll(v => (subcom as With).GetValue().Contains(v));
}
else
{
//WITH
result.AddRange((subcom as With).GetValue());
}
}
if (subcom is NumericSubcommand)
{
int number = (subcom as NumericSubcommand).GetValue();
switch ((subcom as NumericSubcommand).GetNumericSubcommandType())
{
case NumericSubcommandType.First:
{
if (number <= 0)
{
return(new List <string>());
}
else
{
if (number < result.Count)
{
result.RemoveRange(number, result.Count - number);
}
}
break;
}
case NumericSubcommandType.Last:
{
if (number <= 0)
{
return(new List <string>());
}
else
{
if (number < result.Count)
{
result.RemoveRange(0, result.Count - number);
}
}
break;
}
case NumericSubcommandType.Skip:
{
if (number >= result.Count)
{
return(new List <string>());
}
else
{
if (number > 0)
{
result.RemoveRange(0, number);
}
}
break;
}
case NumericSubcommandType.Each:
{
if (number > 1)
{
List <string> newresult = new List <string>();
int c = 0;
do
{
newresult.Add(result[c]);
c += number;
} while (c < result.Count);
result = newresult;
}
break;
}
}
}
}
return(result.ToList());
}
