public static TotemValue Push(TotemValue array, TotemArguments parameters)
{
TotemArray arr = (TotemArray)array;
arr.value.Add(parameters.Value(0));
return(arr);
}
public static TotemValue Filter(TotemValue array, TotemArguments parameters)
{
TotemArray newArr = new TotemArray();
TotemArray arr = (TotemArray)array;
TotemValue fn = parameters.Value(0);
foreach (var itm in arr.value)
{
var arguments = new TotemArguments();
arguments.Add(null, itm);
if ((bool)fn.Execute(arguments))
newArr.AddItem(itm);
}
return newArr;
}
public static TotemValue Filter(TotemValue array, TotemArguments parameters)
{
TotemArray newArr = new TotemArray();
TotemArray arr = (TotemArray)array;
TotemValue fn = parameters.Value(0);
foreach (var itm in arr.value)
{
var arguments = new TotemArguments();
arguments.Add(null, itm);
if ((bool)fn.Execute(arguments))
{
newArr.AddItem(itm);
}
}
return(newArr);
}
public static object GetFunctionParametersValue(TotemFunction function, int index, string name, TotemArray extraArgs, TotemDictionary dict)
{
object val;
if (extraArgs != null && extraArgs.Count > 0)
return extraArgs.Shift();
if (dict != null && dict.TryRemoveValue(name, out val))
return val;
return function.Defaults[index];
}
public static object ExtractParamsArgument(TotemFunction function, int argCnt, TotemArray list)
{
if (list.Count != 0)
return list.Shift();
throw function.BadArgumentError(argCnt);
}
public static object ExtractAnyArgument(TotemFunction function, string name, int argCnt, TotemArray list, IDictionary dict)
{
object val;
if (dict.Contains(name))
{
if (list.Count != 0)
throw MultipleKeywordArgumentError(function, name);
val = dict[name];
dict.Remove(name);
return val;
}
if(list.Count != 0)
{
return list.Shift();
}
if (function.ExpandListPosition == -1 && dict.Count > 0)
{
// Totem raises an error for extra splatted kw keys before missing arguments.
// Therefore we check for this in the error case here.
foreach (string x in dict.Keys)
{
bool found = false;
foreach (string y in function.ArgNames)
{
if (x == y)
{
found = true;
break;
}
}
if (!found)
throw UnexpectedKeywordArgumentError(function, x);
}
}
throw BinderOps.TypeErrorForIncorrectArgumentCount(
function.Name,
function.NormalArgumentCount,
function.Defaults.Length,
argCnt,
function.ExpandListPosition != -1,
dict.Count > 0
);
}
public static void AddParamsArguments(TotemArray list, params object[] args)
{
for (int i = 0; i < args.Length; i++)
list.Insert(i, args[i]);
}