public void Evaluate(StoryInstance instance, StoryMessageHandler handler, BoxedValue iterator, BoxedValueList args)
{
m_HaveValue = false;
m_Object.Evaluate(instance, handler, iterator, args);
m_Method.Evaluate(instance, handler, iterator, args);
bool canCalc = true;
if (!m_Object.HaveValue || !m_Method.HaveValue)
{
canCalc = false;
}
if (canCalc)
{
m_HaveValue = true;
var obj = m_Object.Value;
string method = m_Method.Value;
if (obj.IsObject && !string.IsNullOrEmpty(method))
{
object v = 0;
IEnumerable list = obj.ObjectVal as IEnumerable;
if (null != list)
{
if (method == "orderby" || method == "orderbydesc")
{
bool desc = method == "orderbydesc";
ObjList results = new ObjList();
IEnumerator enumer = list.GetEnumerator();
while (enumer.MoveNext())
{
object val = enumer.Current;
results.Add(val);
}
results.Sort((object o1, object o2) => {
BoxedValue r1 = BoxedValue.NullObject;
for (int i = 0; i < m_Args.Count; i++)
{
m_Args[i].Evaluate(instance, handler, BoxedValue.From(o1), args);
r1 = m_Args[i].Value;
}
BoxedValue r2 = BoxedValue.NullObject;
for (int i = 0; i < m_Args.Count; i++)
{
m_Args[i].Evaluate(instance, handler, BoxedValue.From(o2), args);
r2 = m_Args[i].Value;
}
string rs1 = r1.ToString();
string rs2 = r2.ToString();
int r = 0;
if (null != rs1 && null != rs2)
{
r = rs1.CompareTo(rs2);
}
else
{
float rd1 = r1.Get <float>();
float rd2 = r2.Get <float>();
r = rd1.CompareTo(rd2);
}
if (desc)
{
r = -r;
}
return(r);
});
v = results;
}
else if (method == "where")
{
ObjList results = new ObjList();
IEnumerator enumer = list.GetEnumerator();
while (enumer.MoveNext())
{
object val = enumer.Current;
BoxedValue r = BoxedValue.NullObject;
for (int i = 0; i < m_Args.Count; i++)
{
m_Args[i].Evaluate(instance, handler, BoxedValue.From(val), args);
r = m_Args[i].Value;
}
if (r.Get <int>() != 0)
{
results.Add(val);
}
}
v = results;
}
else if (method == "top")
{
BoxedValue r = BoxedValue.NullObject;
for (int i = 0; i < m_Args.Count; i++)
{
m_Args[i].Evaluate(instance, handler, iterator, args);
r = m_Args[i].Value;
}
int ct = r.Get <int>();
ObjList results = new ObjList();
IEnumerator enumer = list.GetEnumerator();
while (enumer.MoveNext())
{
object val = enumer.Current;
if (ct > 0)
{
results.Add(val);
--ct;
}
}
v = results;
}
}
m_Value = BoxedValue.From(v);
}
else
{
m_Value = BoxedValue.NullObject;
}
}
for (int i = 0; i < m_Args.Count; i++)
{
m_Args[i].Evaluate(instance, handler, iterator, args);
}
}
