/// <summary>
/// Builds a parameter list given a list of arguments and a list of parameter info
/// </summary>
/// <param name="args">A list of Values which will be distributed to the output lists</param>
/// <param name="pi">An array of parameter info for the method</param>
/// <param name="end">The end count</param>
/// <param name="parameters">A parameters List to add to.</param>
private static void BuildParameterList(FSharpList <Value> args, ParameterInfo[] pi, int end, List <List <object> > parameters)
{
//for a static method, the number of parameters
//will equal the number of arguments on the node
if (args.Count() == pi.Count())
{
//ARGUMENT LOOP
for (int j = 0; j < end; j++)
{
//create a list to hold each set of arguments
var currParams = new List <object>();
//PARAMETER LOOP
for (int i = 0; i < pi.Count(); i++)
{
var arg = args[i];
//if the value is a list, add the jth item converted
//or the last item if i exceeds the count of the list
if (arg.IsList)
{
var lst = (Value.List)arg;
var argItem = (j < lst.Item.Count() ? lst.Item[j] : lst.Item.Last());
currParams.Add(DynamoTypeConverter.ConvertInput(argItem, pi[i].ParameterType));
}
else
{
//if the value is not a list,
//just add the value
currParams.Add(DynamoTypeConverter.ConvertInput(arg, pi[i].ParameterType));
}
}
parameters.Add(currParams);
}
}
//for instance methods, the first argument will be the
//item or list of items which will be the target of invocation
//in this case, skip parsing the first argument
else
{
//ARGUMENT LOOP
for (int j = 0; j < end; j++)
{
//create a list to hold each set of arguments
var currParams = new List <object>();
//PARAMETER LOOP
for (int i = 0; i < pi.Count(); i++)
{
var arg = args[i + 1];
//if the value is a list, add the jth item converted
//or the last item if i exceeds the count of the list
if (arg.IsList)
{
//var argItem = ((Value.List)arg).Item.Count() < end ? args.Last() : args[j];
var lst = (Value.List)arg;
var argItem = (j < lst.Item.Count() ? lst.Item[j] : lst.Item.Last());
currParams.Add(DynamoTypeConverter.ConvertInput(argItem, pi[i].ParameterType));
}
else
{
//if the value is not a list,
//just add the value
currParams.Add(DynamoTypeConverter.ConvertInput(arg, pi[i].ParameterType));
}
}
parameters.Add(currParams);
}
}
}
/// <summary>
/// Convert an input Value into and expected type if possible.
/// Ex. If a node expects an XYZ, a user can pass in a ReferencePoint object
/// and the position (XYZ) of that object will be returned.
/// </summary>
/// <param name="input">The value of the input.</param>
/// <param name="output">The desired output type.</param>
/// <returns></returns>
public static object ConvertInput(Value input, Type output)
{
if (input.IsContainer)
{
object item = ((Value.Container)input).Item;
#region ModelCurve
if (item.GetType() == typeof(ModelCurve))
{
ModelCurve a = (ModelCurve)item;
if (output == typeof(Curve))
{
return(((ModelCurve)item).GeometryCurve);
}
}
#endregion
#region SketchPlane
else if (item.GetType() == typeof(SketchPlane))
{
SketchPlane a = (SketchPlane)item;
if (output == typeof(Plane))
{
return(a.Plane);
}
else if (output == typeof(ReferencePlane))
{
return(a.Plane);
}
else if (output == typeof(string))
{
return(string.Format("{0},{1},{2},{3},{4},{5}", a.Plane.Origin.X, a.Plane.Origin.Y, a.Plane.Origin.Z,
a.Plane.Normal.X, a.Plane.Normal.Y, a.Plane.Normal.Z));
}
}
#endregion
#region Point
else if (item.GetType() == typeof(Point))
{
Point a = (Point)item;
if (output == typeof(XYZ))
{
return(a.Coord);
}
else if (output == typeof(string))
{
return(string.Format("{0},{1},{2}", a.Coord.X, a.Coord.Y, a.Coord.Z));
}
}
#endregion
#region ReferencePoint
else if (item.GetType() == typeof(ReferencePoint))
{
ReferencePoint a = (ReferencePoint)item;
if (output == typeof(XYZ))
{
return(a.Position);
}
else if (output == typeof(Reference))
{
return(a.GetCoordinatePlaneReferenceXY());
}
else if (output == typeof(Transform))
{
return(a.GetCoordinateSystem());
}
else if (output == typeof(string))
{
return(string.Format("{0},{1},{2}", a.Position.X, a.Position.Y, a.Position.Z));
}
else if (output == typeof(ElementId))
{
return(a.Id);
}
}
#endregion
#region ElementId
else if (item.GetType() == typeof(ElementId))
{
if (output == typeof(ReferencePoint))
{
ElementId a = (ElementId)item;
Element el = dynRevitSettings.Doc.Document.GetElement(a);
ReferencePoint rp = (ReferencePoint)el;
return(rp);
}
}
#endregion
#region Reference
else if (item.GetType() == typeof(Reference))
{
Reference a = (Reference)item;
if (output.IsAssignableFrom(typeof(Element)))
{
Element e = dynRevitSettings.Doc.Document.GetElement(a);
}
else if (output == typeof(Face))
{
Face f = (Face)dynRevitSettings.Doc.Document.GetElement(a.ElementId).GetGeometryObjectFromReference(a);
return(f);
}
}
#endregion
#region XYZ
if (item.GetType() == typeof(XYZ))
{
XYZ a = (XYZ)item;
if (output == typeof(Transform))
{
Transform t = Transform.get_Translation(a);
return(t);
}
}
#endregion
return(item);
}
else if (input.IsNumber)
{
double a = (double)((Value.Number)input).Item;
if (output == typeof(bool))
{
return(Convert.ToBoolean(a));
}
else if (output == typeof(Int32))
{
return(Convert.ToInt32(a));
}
return(a);
}
else if (input.IsString)
{
string a = ((Value.String)input).Item.ToString();
return(a);
}
else if (input.IsList)
{
FSharpList <Value> a = ((Value.List)input).Item;
if (output == typeof(ReferenceArrayArray))
{
return(DynamoTypeConverter.ConvertFSharpListListToReferenceArrayArray(a));
}
else if (output == typeof(ReferenceArray))
{
return(DynamoTypeConverter.ConvertFSharpListListToReferenceArray(a));
}
else if (output == typeof(CurveArrArray))
{
return(DynamoTypeConverter.ConvertFSharpListListToCurveArray(a));
}
else if (output == typeof(CurveArray))
{
return(DynamoTypeConverter.ConvertFSharpListListToCurveArray(a));
}
return(a);
}
//return the input by default
return(input);
}
/// <summary>
/// Invoke an API method, using the node's lacing strategy to build lists of arguments
/// </summary>
/// <param name="node">The node.</param>
/// <param name="args">The incoming Values on the node.</param>
/// <param name="api_base_type">The API's base type whose method we will invoke.</param>
/// <param name="pi">An array of parameter info for the method.</param>
/// <param name="mi">The method info for the method.</param>
/// <param name="return_type">The expected return type from the method.</param>
/// <returns></returns>
public static Value InvokeAPIMethod(RevitTransactionNode node, FSharpList <Value> args, Type api_base_type, ParameterInfo[] pi, MethodBase mi, Type return_type)
{
//if any argument are a list, honor the lacing strategy
//compile a list of parameter lists to be used in our method invocation
List <List <object> > parameters = null;
switch (node.ArgumentLacing)
{
case LacingStrategy.First:
parameters = GetSingleArguments(args, pi);
break;
case LacingStrategy.Shortest:
parameters = GetShortestArguments(args, pi);
break;
case LacingStrategy.Longest:
parameters = GetLongestArguments(args, pi);
break;
default:
parameters = GetSingleArguments(args, pi);
break;
}
var invocationTargetList = new List <object>();
if (api_base_type == typeof(Document) ||
api_base_type == typeof(FamilyItemFactory) ||
api_base_type == typeof(ItemFactoryBase))
{
if (dynRevitSettings.Doc.Document.IsFamilyDocument)
{
invocationTargetList.Add(dynRevitSettings.Doc.Document.FamilyCreate);
}
else
{
invocationTargetList.Add(dynRevitSettings.Doc.Document.Create);
}
}
else if (api_base_type == typeof(Application))
{
invocationTargetList.Add(dynRevitSettings.Revit.Application.Create);
}
else
{
if (!mi.IsStatic && !mi.IsConstructor)
{
if (args[0].IsList)
{
invocationTargetList.AddRange(((Value.List)args[0]).Item.Select(x => DynamoTypeConverter.ConvertInput(x, api_base_type)));
}
else
{
//the first input will always hold the instance
//whose methods you want to invoke
invocationTargetList.Add(DynamoTypeConverter.ConvertInput(args[0], api_base_type));
}
}
}
//object result = null;
List <object> results = null;
//if the method info is for a constructor, then
//call the constructor for each set of parameters
//if it's an instance method, then invoke the method for
//each instance passed in.
results = mi.IsConstructor ?
parameters.Select(x => ((ConstructorInfo)mi).Invoke(x.ToArray())).ToList() :
invocationTargetList.SelectMany(x => parameters.Select(y => mi.Invoke(x, y.ToArray())).ToList()).ToList();
StoreElements(node, results);
return(ConvertAllResults(results));
}